CN110579160A - Tension fracture depth and width measuring device and application thereof - Google Patents

Tension fracture depth and width measuring device and application thereof Download PDF

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Publication number
CN110579160A
CN110579160A CN201910966310.1A CN201910966310A CN110579160A CN 110579160 A CN110579160 A CN 110579160A CN 201910966310 A CN201910966310 A CN 201910966310A CN 110579160 A CN110579160 A CN 110579160A
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China
Prior art keywords
measuring
rod
tension
horizontal
width
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CN201910966310.1A
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CN110579160B (en
Inventor
黄河
冯宇
严家平
董祥林
郭宝伟
唐文武
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Anhui University of Science and Technology
Huaibei Mining Group Co Ltd
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Anhui University of Science and Technology
Huaibei Mining Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18Measuring arrangements characterised by the use of mechanical techniques for measuring depth

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

the invention discloses a tension crack depth and width measuring device and application thereof, and relates to a measuring device which comprises two groups of supporting components, wherein each supporting component consists of a foot rest, a base arranged on the top of the foot rest, a vertical rod detachably arranged on the top of the base and a first leveling device, the measuring device is also provided with a horizontal rod, two ends of the horizontal rod are respectively sleeved on the vertical rod, the height of the horizontal rod is adjustable, two measuring rods with the top ends slidably arranged on the horizontal rod, and a second leveling device arranged on the horizontal rod. The device is portable, flexible and simple to operate, can directly measure the depth and the width of the tension fracture, can directly measure the height difference of two sides of the tension fracture, and can quantitatively analyze the change rule of the tension fracture through continuous measurement.

Description

Tension fracture depth and width measuring device and application thereof
Technical Field
The invention relates to a measuring device, in particular to a tension fracture depth and width measuring device and application thereof.
Background
due to the continuous exploitation of various underground mineral resources, various types and different degrees of surface deformation phenomena are generated on the surface, wherein the tensile crack is a common surface deformation phenomenon in a mining area. The generation of the tension cracks often causes serious geological environment problems of aggravating water and soil loss, reducing water level of a shallow surface layer, damaging roads and buildings and the like, and is widely concerned by people.
The geological environment influence of the tension fracture is greatly influenced by the depth and the width of the tension fracture, so the research on the depth and the width of the tension fracture is an important aspect of the research on the development characteristics and the environment influence of the tension fracture. At present, the measuring method of the depth and the width of the tensile crack mainly comprises a geophysical detection method and a direct measuring method, wherein the geophysical detection method usually needs a large number of instruments and equipment, and the measuring method is time-consuming and labor-consuming; the direct measurement method is mainly used for measuring the width of the earth surface of the crack, the measurement of the width of the deep part of the crack is inaccurate, the precision is low, and the depth measurement is often limited. The device for measuring the depth and the width of the tension fracture can simply, quickly and accurately measure the depth and the width of the tension fracture.
research results show that the tension fracture is generally triangular on the cross section, one side and two corners are determined according to the basic theory of the triangle, and the unique triangle can be obtained.
Disclosure of Invention
the invention aims to overcome the defects of the prior art, provides a tension fracture depth and width measuring device and application thereof, and aims to solve the technical problems of complexity, high cost and the like of a tension fracture measuring method in the prior art.
The invention is realized by the following technical scheme:
the invention provides a tension crack depth and width measuring device which comprises two groups of supporting assemblies, wherein each supporting assembly consists of a foot stand, a base arranged at the top of the foot stand, a vertical rod detachably arranged at the top of the base and a first leveling device, the tension crack depth and width measuring device is further provided with a horizontal rod, two ends of the horizontal rod are respectively sleeved on one vertical rod, the height of the horizontal rod is adjustable, two measuring rods with the top ends slidably arranged on the horizontal rod, and a second leveling device arranged on the horizontal rod.
furthermore, all be provided with the scale on vertical pole and the horizon bar, and accurate 1 mm.
Further, the foot rest is specifically adjustable support, vertical just the screw thread of vertical pole is installed at the base top.
Furthermore, the top of the horizontal rod is provided with a sliding groove for the top ends of the two measuring rods to slide.
Further, two measuring sticks are equallyd divide and are do not become by upper portion couple and lower part half cone, and the top of every couple is hung and is established in the spout and can slide in it, can constitute a complete cone after two half cones laminating, and every half cone rotates and installs the bottom at the couple, and every measuring stick is hung and is established its vertical wall place face of back on the horizontal pole that the level set up and be vertical face.
Furthermore, two ends of the horizontal rod are movably connected with the corresponding vertical rods through butterfly bolts.
Further, the vertical rod, the horizontal rod, the base and the measuring rod are all made of light stainless steel.
Further, still be provided with and be used for the cover to establish complete cone bottom most advanced, overlook the column rubber protection cover that is butterfly type, the top center department of rubber protection cover offers and is used for holding the most advanced recess of complete cone bottom, all offers the half recess that can hold half rubber protection cover on the vertical wall of every half cone, and two half cones closely laminate when the both ends of rubber protection cover set up respectively in the half recess that corresponds and form complete cones.
the invention also provides a method for measuring the depth and the width of the tension fracture by using the tension fracture depth and width measuring device, which comprises the following steps:
Step 1, respectively arranging two foot rests on two sides of a tension crack, respectively installing corresponding bases, and adjusting the corresponding foot rests according to corresponding first leveling devices to enable the tops of the two bases to reach a horizontal state;
step 2, respectively installing corresponding vertical rods on the two leveled bases, then installing horizontal rods on the two vertical rods, leveling through a second leveling device, and hanging the two measuring rods on the horizontal rods;
step 3, reading the height difference delta H of the corresponding scales at the two ends of the horizontal rod at the moment to obtain the height difference of the two sides of the tension fracture;
Step 4, selecting any vertical rod as a reference rod;
Step 5, adjusting the horizontal height of the horizontal rods, reading scales H on the corresponding reference rods, adjusting the two measuring rods to be respectively contacted with two side walls of the tension crack, reading a difference value delta L of the scales on the horizontal rods corresponding to the tops of the two measuring rods, and obtaining the width delta L of the tension crack at the position H;
And 6, repeating the step 5 to obtain the width delta L of the tension fracture with different scales H and obtain the development data of the tension fracture.
Further, still include:
Step 7, calibrating
And respectively embedding two ends of the rubber protective sleeve in the corresponding half grooves to enable the two half cones to be tightly attached to form a complete cone, adjusting the horizontal height of the horizontal rod to any measured H position, sliding the complete cone to enable the complete cone to be respectively contacted with the side wall of the tension crack, reading a scale difference value delta L on the corresponding horizontal rod, obtaining the difference value between the measured delta L and the corresponding measured delta L of the two half cones, and judging whether the two half cones are in an error range.
The invention provides a tension crack depth and width measuring device and application thereof, compared with the prior art, the invention has the beneficial effects that:
(1) the equipment has simple structure and convenient operation;
(2) The measurement efficiency is improved by arranging the two half cones;
(3) The rubber protective sleeve is arranged, so that the equipment can be conveniently stored after the equipment is disassembled, the safety of the equipment is improved, and the two half cones can be combined into a complete half cone by matching the half cones and the half grooves, so that the aim of accurate calibration can be fulfilled, and data errors are avoided;
(4) The equipment has low manufacturing cost, convenient carrying and convenient popularization and application.
Drawings
FIG. 1 is a schematic structural diagram of a tension fracture depth and width measuring device;
Figure 2 is a top view of the rubber boot and half-groove.
In the figure: 1. a foot rest; 2. a base; 3. a vertical rod; 4. a first leveling device; 5. a horizontal bar; 6. a measuring rod; 7. a second leveling device; 8. hooking; 9. a half cone; 10. a rubber protective sleeve; 11. half groove
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
it is noted that the term "comprising" in the description and claims of the present application is intended to cover a non-exclusive inclusion, e.g. a method comprising a list of steps is not necessarily limited to those steps explicitly listed, but may include other steps not explicitly listed or inherent to such methods. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to examples.
examples
With reference to fig. 1 and 2, the present embodiment provides a tension crack depth and width measuring device, the measuring device includes two sets of supporting components, each supporting component is composed of a foot rest 1, a base 2 installed on the top of the foot rest 1, a vertical rod 3 detachably installed on the top of the base 2, and a first leveling device 4, and further includes a horizontal rod 5 with two ends respectively sleeved on one vertical rod 3 and adjustable in height, two measuring rods 6 with top ends slidably installed on the horizontal rod 5, and a second leveling device 7 installed on the horizontal rod 5.
through the arrangement, the foot rest 1 can effectively support the base 2 and other components mounted on the base 2, the corresponding foot rest 1 is adjusted according to the first leveling device 4 (in the embodiment, the first leveling device 4 and the second leveling device 7 are both horizontal bubbles) on the top of the base 2, so that the top of the base 2 can be adjusted to be in a horizontal state, and the foot rest 1 can be effectively maintained in the horizontal state after being fixed;
after the two vertical rods 3 are installed respectively, two ends of the horizontal rod 5 are sleeved on the two vertical rods 3 respectively, the heights of the two ends are adjusted according to the second leveling devices 7 on the horizontal rods to enable the horizontal rods 5 to be in a horizontal state and then locked, the horizontal rods 5 can be effectively kept horizontal, and then the two measuring rods 6 are hung to complete the assembling and leveling of the equipment.
in particular, in the present embodiment, for the convenience of reading and measuring data, scales are provided on both the vertical bars 3 and the horizontal bars 5, and are accurate to 1 mm.
Through the arrangement, the measurement data can be read in real time.
In particular, in the present embodiment, in order to facilitate the leveling of the base 2, the foot rest 1 is embodied as an adjustable support, and the vertical rod 3 is vertically and threadedly mounted on the top of the base 2.
Through the arrangement, on one hand, the base 2 can be effectively adjusted, and on the other hand, the vertical rod 3 can be effectively disassembled, so that the equipment is convenient to carry and debug;
the adjustable support can be a triangular support made of a plurality of adjustable telescopic rods.
in particular, in this embodiment, in order to facilitate the adjustment of the position of the measuring rod 6 and avoid an error in the sliding process, the top of the horizontal rod 5 is provided with a sliding groove for sliding the top ends of the two measuring rods 6.
Through the arrangement, the top ends of the two measuring rods 6 can slide in the sliding groove in an oriented mode, so that operation errors are avoided;
In particular, in the present embodiment, in order to further improve the accuracy and precision of the measurement data, the two measurement bars 6 are each provided with the following structure:
Constitute by upper portion couple 8 and lower part half cone 9 respectively, the top of every couple 8 is hung and is established in the spout and can slide in it, can constitute a complete cone after two half cone 9 laminating, and every half cone 9 rotates and installs in the bottom of couple 8, and every measuring stick 6 hangs and establishes its vertical wall place face for vertical face after on the horizontal rod 5 of level setting.
through the arrangement, the semi-conical body 9 is arranged in a thick manner from top to bottom, so that the tip end of the semi-conical body faces downwards, and the semi-conical body is in contact with a point and a surface in the using process, and the aim of improving the data accuracy is fulfilled;
through the arrangement, the semi-conical body 9 is rotatably connected with the corresponding hook 8, so that the semi-conical body 9 can rotate, and further when the tension crack is in a slender state, the semi-conical body can rotate to enable the vertical surface of the semi-conical body to face the side wall of the tension crack, the phenomenon that the point contact between the tip and the measuring point cannot be realized due to the fact that the vertical surface of the semi-conical body faces the side wall of the tension crack due to a certain width of the semi-conical body is avoided (namely, the defect that the corresponding data cannot be measured due to the fact that the upper part of the semi-conical body is in contact with the side wall of the tension crack and the bottom of the semi-conical body is not;
And the surface of the vertical wall of each measuring rod 6 is a vertical surface after the measuring rod is hung on the horizontal rod 5 which is horizontally arranged, so that the data measured at the tip of the semi-conical body 9 can accurately reflect the real tension fracture data.
in particular, in the present embodiment, in order to adjust the horizontal height of the horizontal rod 5, two ends of the horizontal rod 5 are movably connected to the corresponding vertical rods 3 through butterfly bolts.
In particular, in the present embodiment, in order to facilitate carrying the device and to improve the service life of the device, the vertical rod 3, the horizontal rod 5, the base 2, and the measuring rod 6 are all made of light stainless steel.
In particular, in this embodiment, in order to make two half cones 9 can closely laminate when laminating, also can be convenient for transport after dismantling for equipment simultaneously, avoid half cone 9's most advanced injury people, still be provided with and be used for the cover to establish complete cone bottom most advanced, overlook and be the column rubber lag 10 of butterfly type, the top center department of rubber lag 10 offers and is used for holding the most advanced recess of complete cone bottom, all offer the half recess 11 that can hold half rubber lag 10 on the vertical wall of every half cone 9, two half cones 9 closely laminate when setting up respectively in the half recess 11 that corresponds as the both ends of rubber lag 10 and form complete cones.
as can be seen in particular in connection with fig. 2, in this embodiment the rubber boot 10 is of butterfly type in cross-section, the two corresponding half grooves 11 are also butterfly-shaped after being combined, when the two half cone-shaped bodies 9 need to be attached, only one end of the rubber protective sleeve 10 needs to be plugged into one corresponding half groove 11, under the action of butterfly type, one end of the rubber protective sleeve 10 which is inserted in can automatically expand towards the direction away from the outlet by virtue of the elasticity of the rubber protective sleeve, so that one end of the inserted rubber protective sleeve 10 can be tightly embedded in the corresponding half groove 11, then, the other half groove 11 is extruded to the other end of the rubber protection sleeve 10, so that the other end of the rubber protection sleeve 10 is extruded into the other half groove 11, and under the action of the butterfly shape, the two ends of the rubber protection sleeve 10 can be automatically extruded into the corresponding half grooves 11, so that the two half cone-shaped bodies 9 are opposite to each other and the purpose of tight fitting is finally achieved.
example 2
In this example, there is provided a method of measuring the depth and width of a tension fracture using the apparatus described in example 1, the method comprising the steps of:
step 1, respectively arranging two foot rests 1 on two sides of a tension crack, respectively installing corresponding bases 2, and adjusting the corresponding foot rests 1 according to corresponding first leveling devices 4 to enable the tops of the two bases 2 to reach a horizontal state;
step 2, respectively installing corresponding vertical rods 3 on the two leveled bases 2, then installing horizontal rods 5 on the two vertical rods 3, leveling through a second leveling device 7, and hanging two measuring rods 6 on the horizontal rods 5;
Step 3, reading the height difference delta H of the corresponding scales at the two ends of the horizontal rod 5 at the moment to obtain the height difference of the two sides of the tension fracture;
Step 4, selecting any vertical rod 3 as a reference rod;
Step 5, adjusting the horizontal height of the horizontal rod 5, reading the scales H on the corresponding reference rod, adjusting the two measuring rods 6 to be respectively contacted with two side walls of the tension crack, reading the difference value Delta L of the scales on the horizontal rod 5 corresponding to the tops of the two measuring rods 6, and obtaining the width Delta L of the tension crack at the position H;
And 6, repeating the step 5 to obtain the width delta L of the tension fracture with different scales H and obtain the development data of the tension fracture.
Step 7, calibrating
The two ends of the rubber protective sleeve 10 are respectively embedded in the corresponding half grooves 11 to enable the two half cones 9 to be tightly attached to form a complete cone, the horizontal height of the horizontal rod 5 is adjusted to any measured H position, the complete cone is slid to be respectively contacted with the side wall of the tension crack, then the scale difference value delta L on the corresponding horizontal rod 5 is read, the difference value between the measured delta L and the corresponding measured delta L of the two half cones 9 is obtained, and whether the difference value is within an error range is judged.
The method realizes effective acquisition of tension fracture data, and meanwhile, the two half cones 9 are combined and then calibrated, so that the authenticity of the data is effectively verified, and the accuracy of the data is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The present invention is not limited to the above description of the embodiments, and those skilled in the art should, in light of the present disclosure, appreciate that many changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (10)

1. the utility model provides a deep wide measuring device of tension crack, a serial communication port, measuring device includes two sets of supporting components, and every supporting component comprises foot rest (1), base (2), the detachable at foot rest (1) top install vertical pole (3) and first levelling device (4) at base (2) top, still is provided with both ends and establishes respectively on a vertical pole (3) and height-adjustable's horizon bar (5), measuring stick (6) on horizon bar (5), second levelling device (7) of installing on horizon bar (5).
2. A tension crack depth and width measuring device according to claim 1, characterized in that the vertical rod (3) and the horizontal rod (5) are provided with scales with the accuracy of 1 mm.
3. A tension crack depth and width measuring device according to claim 2, characterized in that the foot rest (1) is embodied as an adjustable support, and the vertical rod (3) is vertically and threadedly mounted on the top of the base (2).
4. A device for measuring the depth and width of a tension crack according to claim 3, wherein the top of the horizontal rod (5) is provided with a sliding groove for the top ends of the two measuring rods (6) to slide.
5. the tension crack depth and width measuring device according to claim 4, wherein the two measuring rods (6) are respectively composed of an upper hook (8) and a lower half cone (9), the top of each hook (8) is hung in the sliding groove and can slide in the sliding groove, the two half cones (9) can form a complete cone after being attached, each half cone (9) is rotatably installed at the bottom end of the hook (8), and the surface of each measuring rod (6) where the vertical wall is located is a vertical surface after being hung on the horizontal rod (5).
6. A tension crack depth and width measuring device according to claim 5, characterized in that two ends of the horizontal rod (5) are movably connected with the corresponding vertical rods (3) through butterfly bolts respectively.
7. a tension crack depth and width measuring device according to claim 6, characterized in that the vertical rod (3), the horizontal rod (5), the base (2) and the measuring rod (6) are made of light stainless steel.
8. The device for measuring the depth and the width of a tension crack according to claim 7, further comprising a cylindrical rubber protective sleeve (10) for sleeving the bottom tip of the complete cone body and having a butterfly shape when viewed from above, wherein a groove for accommodating the bottom tip of the complete cone body is formed in the center of the top of the rubber protective sleeve (10), a half groove (11) for accommodating one half of the rubber protective sleeve (10) is formed in the vertical wall of each half cone body (9), and when two ends of the rubber protective sleeve (10) are respectively arranged in the corresponding half grooves (11), the two half cone bodies (9) are tightly attached to form the complete cone body.
9. A method for measuring the depth and width of a tension fracture using the tension fracture depth and width measuring device of claim 8, comprising the steps of:
Step 1, arranging two foot rests (1) on two sides of a tension crack respectively, installing corresponding bases (2) respectively, and adjusting the corresponding foot rests (1) according to corresponding first leveling devices (4) to enable the tops of the two bases (2) to reach a horizontal state;
Step 2, respectively installing corresponding vertical rods (3) on the two leveled bases (2), then installing horizontal rods (5) on the two vertical rods (3), leveling through a second leveling device (7), and hanging the two measuring rods (6) on the horizontal rods (5);
Step 3, reading the height difference delta H of the corresponding scales at the two ends of the horizontal rod (5) at the moment to obtain the height difference of the two sides of the tension fracture;
step 4, selecting any vertical rod (3) as a reference rod;
Step 5, adjusting the horizontal height of the horizontal rod (5), reading scales H on the corresponding reference rod, adjusting the two measuring rods (6) to be respectively contacted with two side walls of the tension crack, reading a difference value delta L of the scales on the horizontal rod (5) corresponding to the tops of the two measuring rods (6), and obtaining the width delta L of the tension crack at the position H;
And 6, repeating the step 5 to obtain the width delta L of the tension fracture with different scales H and obtain the development data of the tension fracture.
10. the method of claim 9, further comprising:
Step 7, calibrating
The two ends of the rubber protective sleeve (10) are respectively embedded in the corresponding half grooves (11) to enable the two half cones (9) to be tightly attached to form a complete cone, the horizontal height of the horizontal rod (5) is adjusted to any measured H position, the complete cone is slid to be respectively contacted with the side wall of the tension crack, then the scale difference value delta L on the corresponding horizontal rod (5) is read, the difference value delta L measured at the moment and the corresponding measured delta L of the two half cones (9) is obtained, and whether the difference value is within an error range is judged.
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