CN110095099B - Five-degree-of-freedom seam measurement device and seam measurement system - Google Patents
Five-degree-of-freedom seam measurement device and seam measurement system Download PDFInfo
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- CN110095099B CN110095099B CN201910467522.5A CN201910467522A CN110095099B CN 110095099 B CN110095099 B CN 110095099B CN 201910467522 A CN201910467522 A CN 201910467522A CN 110095099 B CN110095099 B CN 110095099B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a five-degree-of-freedom seam measurement device and a seam measurement system, and belongs to the field of measurement devices. The five-degree-of-freedom seam measurement device comprises: the device comprises a first connecting piece, a second connecting piece, a third connecting piece, a guiding piece, a first sliding piece, a second sliding piece, a first position maintaining piece, a second position maintaining piece, a first distance measuring piece, a second distance measuring piece, a third distance measuring piece, a fourth distance measuring piece and a fifth distance measuring piece, wherein the second connecting piece and the third connecting piece are arranged at intervals. The five-degree-of-freedom seam measuring device and the seam measuring system can measure rotation of two sides of a seam on a horizontal plane and a vertical plane, and meanwhile damage to the seam measuring device caused by rotation of two sides of the seam on the horizontal plane and the vertical plane can be prevented.
Description
Technical Field
The invention relates to the field of measuring devices, in particular to a five-degree-of-freedom seam measuring device and a seam measuring system.
Background
In engineering, the position with the crack is frequently required to be measured, when the crack is measured, the crack measuring device in the prior art can only generally measure the translation of the crack in the horizontal or vertical direction, but cannot measure the rotation of the crack in the horizontal or vertical direction, and when the crack measuring device in the prior art is subjected to the rotation of the crack in the horizontal or vertical direction, certain damage can be caused to the crack measuring device due to the action of torque.
Disclosure of Invention
The invention provides a five-degree-of-freedom seam measurement device, which aims to solve the problems in the seam measurement device in the prior art;
the invention also provides a crack measuring system, which aims to solve the problems in the crack measuring system in the prior art.
The invention is realized in the following way:
a five degree of freedom seam measurement device for measuring a seam, comprising:
one end of the first connecting piece is connected with one side of the crack;
the second connecting piece and the third connecting piece are arranged at intervals, and the second connecting piece and the third connecting piece are arranged on one side of the crack far away from the first connecting piece;
the guide piece, one end of the guide piece and the second connecting piece are arranged at intervals in the vertical direction, and the other end of the guide piece and the third connecting piece are arranged at intervals in the vertical direction;
the first sliding piece and the second sliding piece are arranged at intervals and are both in sliding connection with the guide piece;
a first position maintaining member for maintaining relative positions of both ends of the guide member and the first connecting member in a vertical direction, respectively;
a second position maintaining member for maintaining a relative position of the guide member and the second connecting member in a horizontal direction;
a first distance measuring member for measuring a distance between the first connecting member and the first sliding member, and a second distance measuring member for measuring a distance between the first connecting member and the second sliding member;
a third distance measuring member for measuring a distance between the first slider and one end of the guide member near the second connector;
a fourth distance measuring member for measuring a distance between the second connecting member and the guide member, and a fifth distance measuring member for measuring a distance between the third connecting member and the guide member.
In a preferred embodiment of the present invention, the first position maintaining member includes a first telescopic member and a second telescopic member which are disposed at intervals in a horizontal direction, one end of the first telescopic member is fixedly connected with the first connecting member, the other end of the first telescopic member is connected with the first sliding member, one end of the second telescopic member is fixedly connected with the first connecting member, the other end of the second telescopic member is connected with the second sliding member, and the first telescopic member and the second telescopic member are both rotatably connected with the guiding member.
In a preferred embodiment of the present invention, the first distance measuring member and the second distance measuring member each use a contact type linear displacement sensor, the first distance measuring member includes a first telescopic member, the second distance measuring member includes a second telescopic member, and the first distance measuring member and the second distance measuring member form the first position maintaining member.
In a preferred embodiment of the present invention, the second position maintaining member includes a third telescopic member and a fourth telescopic member which are arranged at intervals in a vertical direction, one end of the third telescopic member is fixedly connected with the second connecting member, the other end of the third telescopic member is connected with one end of the guiding member, which is close to the second connecting member, one end of the fourth telescopic member is fixedly connected with the third connecting member, and the other end of the fourth telescopic member is connected with one end of the guiding member, which is close to the third connecting member.
In a preferred embodiment of the present invention, the fourth distance measuring element and the fifth distance measuring element are both contact type linear displacement sensors, the fourth distance measuring element includes a third telescopic element, the fifth distance measuring element includes a fourth telescopic element, and the fourth distance measuring element and the fifth distance measuring element form the second position maintaining element.
In a preferred embodiment of the present invention, the guide member is configured in a groove shape, and the first slider and the second slider are each configured in a cake shape, and the first slider and the second slider are each rotatably connected to the guide member.
In a preferred embodiment of the present invention, through holes for bolts to pass through are provided on the first connecting member, the second connecting member and the third connecting member.
The utility model provides a crack measurement system, includes power supply unit, calculation unit and foretell five degrees of freedom seam measurement device, in the five degrees of freedom seam measurement device first range finding piece, second range finding piece, third range finding piece, fourth range finding piece and fifth range finding piece all with calculation unit electricity is connected, power supply unit is calculation unit with five degrees of freedom seam measurement device provides the electric energy.
In a preferred embodiment of the present invention, the device further comprises a communication unit, wherein the communication unit is electrically connected with the computing unit, and the communication unit is used for sending out signals in the computing unit.
In a preferred embodiment of the present invention, the alarm device further comprises an alarm unit, wherein the alarm unit is electrically connected with the calculation unit, and the alarm unit keeps silent or gives an alarm according to the signal of the calculation unit.
The beneficial effects of the invention are as follows:
according to the five-degree-of-freedom seam measurement device obtained through the design, when the five-degree-of-freedom seam measurement device is used, the first distance measurement piece and the second distance measurement piece can be used for measuring the change of the width of a seam and the relative rotation angle of two sides of the seam on a horizontal plane, the third distance measurement piece can be used for measuring the relative displacement of two sides of the seam along the extending direction of the seam, and the fourth distance measurement piece and the fifth distance measurement piece can be used for measuring the change of the relative positions of two sides of the seam on a vertical plane and the relative rotation angle of two sides of the seam on the vertical plane, so that the rotation of two sides of the seam on the horizontal plane and the vertical plane can be measured, and meanwhile, the damage to the seam measurement device caused by the rotation of two sides of the seam on the horizontal plane and the vertical plane can be prevented.
According to the crack measuring system obtained through the design, when the crack measuring system is used, the five-degree-of-freedom crack measuring device can be used for measuring the change of the crack, measured data are processed through the computing unit and then sent through the communication unit, and at the moment, the terminal capable of receiving signals can be used for receiving, so that the purpose of monitoring the change of the crack can be achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view angle of a five-degree-of-freedom crack measuring device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second view angle of a five-degree-of-freedom crack measuring device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third view angle of the five-degree-of-freedom crack measuring device according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a guide in a five degree of freedom fracture measurement device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a crack measurement system according to an embodiment of the present invention.
Icon: a 100-five degree of freedom seam measurement device; 110-a first connector; 121-a first distance measuring member; 122-a second distance measuring member; 123-a third distance measuring device; 124-fourth distance measuring piece; 125-a fifth distance measuring piece; 130-a guide; 141-a first slider; 142-a second slider; 150-a second connector; 160-third connection.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
The present embodiment provides a five-degree-of-freedom seam measurement device 100 for measuring cracks, please refer to fig. 1, 2, 3 and 4, wherein the five-degree-of-freedom seam measurement device 100 includes:
a first connection member 110, one end of the first connection member 110 being connected to one side of the slit;
the second connecting member 150 and the third connecting member 160 are arranged at intervals, and the second connecting member 150 and the third connecting member 160 are arranged at one side of the slit far from the first connecting member 110;
a guide member 130, one end of the guide member 130 and the second connection member 150 being spaced apart in the vertical direction, and the other end of the guide member 130 and the third connection member 160 being spaced apart in the vertical direction;
the first sliding member 141 and the second sliding member 142 are arranged at intervals, and the first sliding member 141 and the second sliding member 142 are both in sliding connection with the guide member 130;
a first position maintaining member for maintaining the relative positions of both ends of the guide member 130 and the first connecting member 110 in the vertical direction, respectively;
a second position maintaining member for maintaining the relative positions of the guide member 130 and the second connecting member 150 in the horizontal direction;
a first ranging member 121 for measuring a distance between the first link 110 and the first slider 141, and a second ranging member 122 for measuring a distance between the first link 110 and the second slider 142;
a third distance measuring member 123 for measuring a distance between the first slider 141 and one end of the guide member 130 near the second connection member 150;
a fourth ranging member 124 for measuring a distance between the second link 150 and the guide 130, and a fifth ranging member 125 for measuring a distance between the third link 160 and the guide 130, the fourth ranging member 124.
The first position maintaining member may allow the guide member 130 to rotate or translate in a horizontal direction with respect to the first link member 110, but not in a vertical direction, and since the second position maintaining member may allow the guide member 130 to rotate or translate in a vertical direction with respect to the second link member 150, but not in a horizontal direction, the positional relationship between the first link member 110 and the guide member 130 measured by the first ranging member 121 and the second ranging member 122 may be the variation of the crack width and the rotation of both sides of the crack in a horizontal direction.
The sliding of the first sliding member 141 relative to the guiding member 130 is the relative displacement of the two sides of the slit along the direction of the guiding member 130, and the relative rotation angle between the two sides of the slit on the horizontal plane can be obtained through the positional relationship between the guiding of the guiding member 130 and the middle slit of the slit.
Since the distance relationship between the guide 130 and the first link 110 is maintained at the same level and the distance relationship between the both ends of the guide 130 and the second link 150 and the third link 160, respectively, can be measured by the fourth distance measuring member 124 and the fifth distance measuring member 125, the distance and the angle change between the both ends of the guide 130 and the second link 150 and the third link 160, respectively, can be obtained by the distance between the both ends of the guide 130 and the second link 150 and the third link 160, respectively, so that the distance of the relative displacement occurring in the vertical direction and the angle of the relative rotation of the both sides of the crack can be measured.
Therefore, the damage to the seam measuring device caused by the relative rotation of two sides of the seam in the horizontal and vertical directions can be perfectly solved, and the relative rotation of two sides of the seam in the horizontal and vertical directions can be measured.
Alternatively, in this embodiment, the first position maintaining member includes a first telescopic member and a second telescopic member that are disposed at intervals in the horizontal direction, one end of the first telescopic member is fixedly connected with the first connecting member 110, the other end of the first telescopic member is connected with the first sliding member 141, one end of the second telescopic member is fixedly connected with the first connecting member 110, the other end of the second telescopic member is connected with the second sliding member 142, and both the first telescopic member and the second telescopic member are rotatably connected with the guide member 130.
The first telescopic member and the second telescopic member are both movable only along the axial direction thereof, and the axial direction of the first telescopic member and the axial direction of the second telescopic member are spaced apart in the horizontal plane, so that the relative position between the first link 110 and the guide 130 can be maintained to be relatively displaced and rotated in the horizontal plane, but not relatively rotated in the vertical plane.
Alternatively, in this embodiment, the first ranging member 121 and the second ranging member 122 are both contact type linear displacement sensors, the first ranging member 121 includes a first telescopic member, the second ranging member 122 includes a second telescopic member, and the first ranging member 121 and the second ranging member 122 form a first position maintaining member.
The contact type linear displacement sensor has a telescopic structure and a structure for measuring distance change, so that the functions of the first telescopic piece and the second telescopic piece and the functions of the first distance measuring piece 121 and the second distance measuring piece 122 can be realized.
Alternatively, in this embodiment, the contact type linear displacement sensor may be a SKRC type contact type linear displacement sensor manufactured by the sievelet company.
Specifically, the specific structure and the use manner of the contact type linear displacement sensor are all in the prior art, and are not described herein.
Optionally, in this embodiment, the second position maintaining member includes a third telescopic member and a fourth telescopic member that are disposed at intervals in the vertical direction, one end of the third telescopic member is fixedly connected to the second connecting member 150, the other end of the third telescopic member is connected to one end of the guiding member 130 near the second connecting member 150, one end of the fourth telescopic member is fixedly connected to the third connecting member 160, and the other end of the fourth telescopic member is connected to one end of the guiding member 130 near the third connecting member 160.
The axial direction of the third telescopic member and the axial direction of the fourth telescopic member are arranged in parallel in the vertical direction, so that relative translation and rotation can occur between the connecting line of the second connecting member 150 and the third connecting member 160 and the guiding direction of the guiding member 130 in the vertical plane, and relative translation and rotation can not occur between the connecting line of the second connecting member 150 and the third connecting member 160 and the guiding direction of the guiding member 130 in the horizontal plane.
It should be noted that, when the connection line between the second connection member 150 and the third connection member 160 and the guiding direction of the guiding member 130 are rotated, the projected distance of the second connection member 150 and the third connection member 160 in the guiding direction of the guiding member 130 is changed, and the rotation angles of the two sides of the slit in the vertical direction are small, so that no large error is caused to the measurement result.
Optionally, in this embodiment, the fourth ranging member 124 and the fifth ranging member 125 are contact linear displacement sensors, the fourth ranging member 124 includes a third telescopic member, the fifth ranging member 125 includes a fourth telescopic member, and the fourth ranging member 124 and the fifth ranging member 125 form a second position maintaining member.
The contact type linear displacement sensor has a telescopic structure and a structure for measuring distance change, so that functions of the third telescopic element and the fourth telescopic element and functions of the fourth distance measuring element 124 and the fifth distance measuring element 125 can be realized.
Alternatively, in this embodiment, the contact type linear displacement sensor may be a SKRC type contact type linear displacement sensor manufactured by the sievelet company.
Specifically, the specific structure and the use manner of the contact type linear displacement sensor are all in the prior art, and are not described herein.
Alternatively, in the present embodiment, the guide 130 is provided in a groove shape, and the first and second sliding members 141 and 142 are each provided in a pie shape, and the first and second sliding members 141 and 142 are each rotatably coupled to the guide 130.
The first and second sliding members 141 and 142, which are provided in a discoid shape, may not only slide along the guide direction of the guide 130 but also relatively rotate with respect to the guide 130.
Alternatively, in the present embodiment, through holes for bolts to pass through are provided on each of the first, second and third connection members 110, 150 and 160.
The first link 110 may be fixed to one side of the slit and the second link 150 and the third link 160 and the other side of the slit by passing bolts through the through-holes.
The working principle of the five-degree-of-freedom seam measurement device 100 provided in this embodiment is that, during working, the first ranging member 121 and the second ranging member 122 are utilized to measure the variation of the width of the seam and the relative rotation angle of the two sides of the seam on the horizontal plane, the third ranging member 123 is utilized to measure the relative displacement of the two sides of the seam along the extending direction of the seam, and the fourth ranging member 124 and the fifth ranging member 125 are utilized to measure the variation of the relative positions of the two sides of the seam on the vertical plane and the relative rotation angle of the two sides of the seam on the vertical plane, so that the rotation of the two sides of the seam on the horizontal plane and the vertical plane can be measured, and meanwhile, the damage to the seam measurement device caused by the rotation of the two sides of the seam on the horizontal plane and the vertical plane can be prevented.
It should be noted that, in the description of the present invention, "horizontal" and "vertical" refer to two directions perpendicular to each other, wherein "horizontal" refers to a direction parallel to a plane in which the crack is located, and "vertical" refers to a direction perpendicular to a plane in which the crack is located, and is not limited to be parallel or perpendicular to the ground.
Example two
Referring to fig. 5, the crack measuring system includes a power supply unit, a computing unit, and the five-degree-of-freedom seam measuring device 100 provided in the first embodiment, a first ranging member 121, a second ranging member 122, a third ranging member 123, a fourth ranging member 124, and a fifth ranging member 125 in the five-degree-of-freedom seam measuring device 100 are all electrically connected to the computing unit, and the power supply unit provides electric power for the computing unit and the five-degree-of-freedom seam measuring device 100.
The first ranging element 121, the second ranging element 122, the third ranging element 123, the fourth ranging element 124 and the fifth ranging element 125 in the five-degree-of-freedom seam measurement device 100 are utilized to measure, signals can be transmitted to a computing unit, the computing unit can be utilized to calculate the change condition of cracks, and the power supply unit supplies power to the whole system and provides power guarantee for the whole system.
Optionally, in this embodiment, the computing unit may be a single-chip microcomputer with a computing program stored therein, and the specific structure and the usage manner of the single-chip microcomputer are both in the prior art, which is not described herein.
Optionally, in this embodiment, the device further includes a communication unit, where the communication unit is electrically connected to the computing unit, and the communication unit is configured to send out a signal in the computing unit.
The computing unit receives the signals of the five-degree-of-freedom seam measurement device 100, transmits the signals to the communication unit, and sends the signals by the communication unit, so that a user can grasp various data only by using the terminal to receive the signals.
The communication unit may be a signal transceiver, which is known in the art, and the specific structure and use thereof are known to those skilled in the art, and are not described herein.
Optionally, in this embodiment, the device further includes an alarm unit, where the alarm unit is electrically connected to the computing unit, and the alarm unit keeps silent or sends out an alarm according to a signal of the computing unit.
The computing unit receives the signals of the five-degree-of-freedom seam measurement device 100, compares the signals with the pre-stored data, and sends the signals to the alarm unit to control the alarm unit to work when the signals exceed the pre-stored data.
The alarm unit may be a buzzer or an LED lamp, and is well known to those skilled in the art, and will not be described herein.
The working principle of the crack measurement system provided in this embodiment is that when in operation, the five-degree-of-freedom crack measurement device 100 can be used to measure the change of the crack, and the measured data is processed by the computing unit and then sent by the communication unit, and at this time, the terminal capable of receiving the signal can be used to receive the data, so that the purpose of monitoring the change of the crack can be achieved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A five degree of freedom seam measurement device for measuring a crack, comprising:
one end of the first connecting piece is connected with one side of the crack;
the second connecting piece and the third connecting piece are arranged at intervals, and the second connecting piece and the third connecting piece are arranged on one side of the crack far away from the first connecting piece;
the guide piece, one end of the guide piece and the second connecting piece are arranged at intervals in the vertical direction, and the other end of the guide piece and the third connecting piece are arranged at intervals in the vertical direction;
the first sliding piece and the second sliding piece are arranged at intervals and are both in sliding connection with the guide piece;
a first position maintaining member for maintaining relative positions of both ends of the guide member and the first connecting member in a vertical direction, respectively;
a second position maintaining member for maintaining a relative position of the guide member and the second connecting member in a horizontal direction;
a first distance measuring member for measuring a distance between the first connecting member and the first sliding member, and a second distance measuring member for measuring a distance between the first connecting member and the second sliding member;
a third distance measuring member for measuring a distance between the first slider and one end of the guide member near the second connector;
a fourth distance measuring member for measuring a distance between the second connecting member and the guide member, and a fifth distance measuring member for measuring a distance between the third connecting member and the guide member.
2. The five-degree-of-freedom seam measurement device of claim 1, wherein the first position maintaining member includes a first telescoping member and a second telescoping member that are disposed at intervals in a horizontal direction, one end of the first telescoping member is fixedly connected with the first connecting member, the other end of the first telescoping member is connected with the first sliding member, one end of the second telescoping member is fixedly connected with the first connecting member, the other end of the second telescoping member is connected with the second sliding member, and both the first telescoping member and the second telescoping member are rotatably connected with the guiding member.
3. The five degree-of-freedom seam measurement device of claim 2 wherein the first distance measurement member and the second distance measurement member each employ a contact linear displacement sensor, the first distance measurement member including a first telescoping member thereon, the second distance measurement member including a second telescoping member thereon, the first distance measurement member and the second distance measurement member forming the first position maintaining member.
4. The five-degree-of-freedom seam measurement device of claim 1, wherein the second position maintaining member comprises a third telescopic member and a fourth telescopic member which are arranged at intervals in the vertical direction, one end of the third telescopic member is fixedly connected with the second connecting member, the other end of the third telescopic member is connected with one end of the guide member, which is close to the second connecting member, one end of the fourth telescopic member is fixedly connected with the third connecting member, and the other end of the fourth telescopic member is connected with one end of the guide member, which is close to the third connecting member.
5. The five degree-of-freedom seam measurement device of claim 4 wherein the fourth distance measurement member and the fifth distance measurement member each employ a contact linear displacement sensor, the fourth distance measurement member including a third telescoping member thereon, the fifth distance measurement member including a fourth telescoping member thereon, the fourth distance measurement member and the fifth distance measurement member forming the second position maintaining member.
6. The five degree-of-freedom seam measurement device of claim 1 wherein the guide member is configured as a channel, the first slider and the second slider are each configured as a pie-shape, and the first slider and the second slider are each rotatably coupled to the guide member.
7. The five-degree-of-freedom seam measurement device of claim 1, wherein the first, second and third connectors are each provided with a through hole for a bolt to pass through.
8. The crack measuring system is characterized by comprising a power supply unit, a computing unit and the five-degree-of-freedom crack measuring device according to any one of claims 1-7, wherein the first distance measuring piece, the second distance measuring piece, the third distance measuring piece, the fourth distance measuring piece and the fifth distance measuring piece in the five-degree-of-freedom crack measuring device are all electrically connected with the computing unit, and the power supply unit supplies electric energy for the computing unit and the five-degree-of-freedom crack measuring device.
9. The fracture measurement system of claim 8, further comprising a communication unit electrically connected to the computing unit, the communication unit configured to signal the computing unit.
10. The crack measurement system of claim 8, further comprising an alarm unit electrically connected to the computing unit, the alarm unit being silent or alerting based on a signal from the computing unit.
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| CN201910467522.5A CN110095099B (en) | 2019-05-30 | 2019-05-30 | Five-degree-of-freedom seam measurement device and seam measurement system |
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