CN112147224B - Ancient building structure intensity detection device - Google Patents
Ancient building structure intensity detection device Download PDFInfo
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- CN112147224B CN112147224B CN202011214421.6A CN202011214421A CN112147224B CN 112147224 B CN112147224 B CN 112147224B CN 202011214421 A CN202011214421 A CN 202011214421A CN 112147224 B CN112147224 B CN 112147224B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0238—Wood
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02827—Elastic parameters, strength or force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/105—Number of transducers two or more emitters, two or more receivers
Abstract
The invention discloses a device for detecting the strength of an ancient building structure, and relates to the technical field of ancient building strength detection. The device comprises a movable frame, stress wave detection mechanisms, a first movable frame, a base and a second movable frame, wherein the stress wave detection mechanisms with the same number are arranged on the inner sides of four side frames of the movable frame in a matching manner, the first movable frame is arranged below one side of the movable frame, the second movable frame is arranged below the other side of the movable frame, and the base is arranged below the position between the first movable frame and the second movable frame; the movable frame is provided with two congruent L-shaped frames which are symmetrically arranged by a diagonal line of the movable frame. According to the invention, through the arrangement of the outer barrel, the inner barrel, the sucker, the electric telescopic rod, the L-shaped frame, the first movable frame, the second movable frame, the fixed rod and the push rod and the matching among the components, the device is more convenient to use and operate, has high detection accuracy, and simultaneously avoids damage to an ancient building during detection.
Description
Technical Field
The invention belongs to the technical field of ancient building strength detection, and particularly relates to an ancient building structure strength detection device which is mainly used for detecting the strength of a wooden structure in a building.
Background
In the protection process of ancient building, the staff can use special detection device to check the wooden structural strength in the ancient building to make things convenient for the staff to understand and maintain to the building itself, at present, the device that is used for wooden structural strength detection in the ancient building is mainly stress wave detector, stress wave detector mainly makes timber produce the stress wave and propagates in timber's inside, through survey stress wave propagation time, calculate its propagation velocity, assess timber decay, calculate timber elastic modulus, thereby form a three-dimensional picture, supply the staff to know the inside condition of timber, however, current ancient building structural strength detection device exists following not enoughly:
1. the existing device for detecting the structural strength of the ancient building is used for avoiding inaccurate detection caused by excessive diffusion of sound and fixing the device, and a guide pillar on a sound wave sensor needs to be inserted into wood when the device is used, so that the wood of the ancient building is damaged to a certain extent by the operation mode, and the building is not protected conveniently;
2. the existing historic building structure strength detection device needs workers to climb on wood to be detected before detection, and meanwhile, the distance measurement between the sensors also needs manual operation after the sensors are fixed, so that the whole installation and measurement process is inconvenient to operate, and potential safety hazards exist to the workers and the building when the workers and the building are directly climbed;
therefore, there is a need for improvement of the prior art, which solves the above technical problems.
Disclosure of Invention
The invention aims to provide an ancient building structure strength detection device which is simple to operate, good in detection effect and capable of avoiding damage to a building in detection, and solves the problems that wood needs to be damaged to a certain extent when an existing ancient building structure strength detection device is used for detecting and fixing wood and that operation is troublesome and certain potential safety hazards exist when an existing ancient building structure strength detection device is used for installing and measuring the distance between sensors.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an ancient building structure strength detection device, which comprises a movable frame, stress wave detection mechanisms, a first movable frame, a base and a second movable frame, wherein the stress wave detection mechanisms with the same number are arranged on the inner sides of four frames of the movable frame in a matched manner, the first movable frame is arranged below one side of the movable frame, the second movable frame is arranged below the other side of the movable frame, and the base is arranged below the position between the first movable frame and the second movable frame;
the movable frame is provided with two congruent L-shaped frames which are symmetrically arranged by a diagonal line of the movable frame, the L-shaped frame above the diagonal line is fixedly connected with the first movable frame, and the L-shaped frame below the diagonal line is fixedly connected with the second movable frame;
convex open grooves with two closed ends are formed in the two side frames of the L-shaped frame along the long side direction;
the first movable frame and the second movable frame are arranged in an L shape, a vertical rod of the first movable frame is fixedly connected to the outer side wall of the corner at the upper end of one side of the movable frame, and a push rod is fixedly connected to the bottom surface of one side of a horizontal rod of the first movable frame; the vertical rod of the second movable frame is fixedly connected to the outer side wall of the corner at the lower end of the other side of the L-shaped frame, and meanwhile, one end of the horizontal rod of the second movable frame is fixedly connected with a fixed rod;
the fixing rod is hollow with an opening at the upper end, and a guide groove communicated with the hollow part of the fixing rod is arranged on the fixing rod along the axial direction; the inner part of the fixed rod is hollow and is used for sliding sleeve of the push rod, and the guide groove is used for freely penetrating and limiting a push column on the outer side wall of the lower end of the push rod;
the stress wave detection mechanism comprises an outer barrel, a connecting plate and an electric telescopic rod, wherein the connecting plate is fixedly sleeved in the middle of the outer side wall of the outer barrel, and the electric telescopic rod is fixedly connected to the top surface of one side of the connecting plate;
the inner cylinder is coaxially arranged inside the outer cylinder, the bottom surfaces of the outer cylinder and the inner cylinder are fixedly connected through a sucker, a vacuum cavity is formed among the outer cylinder, the inner cylinder and the sucker, vent holes are uniformly distributed in the circumferential direction on the top surface of the sucker, and the vent holes are communicated with the vacuum cavity;
the upper end of the inner side wall of the inner barrel is fixedly connected with a separation disc, the center of the separation disc is fixedly sleeved with a conduction column, a first impact block is arranged on the top surface of the conduction column above the separation disc, a second impact block is arranged above the first impact block in an aligned mode, the second impact block is fixedly connected to one end of a telescopic column, the other end of the telescopic column is slidably sleeved in a limiting sleeve, the limiting sleeve is fixedly connected to the inner top surface of the inner barrel, and an electromagnetic column is fixedly mounted on the inner top surface of the limiting sleeve above the telescopic column;
a return spring is sleeved outside the limiting sleeve in a sliding manner, and two ends of the return spring are fixedly connected to the second impact block and the inner cylinder respectively;
the outer side wall of the upper end of the outer barrel is fixedly connected with a hose, the hose is communicated with the vacuum cavity, and the other end of the hose is fixedly sleeved on one end of the flow dividing pipe;
the top surface of one side of a horizontal rod of the first movable frame is fixedly connected with a flow distribution box, the top surface of the flow distribution box is provided with a plurality of flow distribution pipes in an array manner, one side surface of the flow distribution box is fixedly connected with an air suction pipe, the flow distribution pipes and the air suction pipe are communicated with an internal flow cavity of the flow distribution box, the flow distribution pipes are used for fixedly connecting a plurality of hoses on the stress wave detection mechanism respectively, the flow distribution pipes are also fixedly provided with electromagnetic valves, the electromagnetic valves are electrically connected with a single chip microcomputer in a single chip microcomputer controller, the air suction pipe is externally connected with an air suction pump, the air in the flow distribution box is sucked out by controlling the air suction pump to work through the single chip microcomputer controller, and the hoses are used for sucking air in the stress wave detection mechanism;
the middle of the top surface of the base is fixedly connected with a fixed column, the upper end of the fixed column is sleeved with a movable column in a sliding mode, the top surface of the movable column is coaxially provided with an inserting column, and the inserting column is used for being inserted into a slot in the bottom surface of the fixed rod in a sliding mode;
still fixedly connected with single chip microcomputer controller on the lower extreme lateral wall of dead lever, along vertical direction equipartition on single chip microcomputer controller's the both sides face is provided with a plurality of jacks, the electric connection piece in the jack and the singlechip electric connection in the single chip microcomputer controller.
Furthermore, a positioning column is fixedly connected to one end face of the vertical rod of the L-shaped frame, and a positioning through hole is formed in one end of the horizontal rod of the L-shaped frame, wherein the positioning column and the positioning through hole in any one L-shaped frame are respectively used for being in clearance fit with the positioning through hole and the positioning column in the other L-shaped frame.
Furthermore, the outer top surface of the inner cylinder and the inner top surface of the outer cylinder are fixedly connected through a connecting column, and a sound wave detection sensor is fixedly mounted on the bottom surface of the separating disc in the inner cylinder and positioned on the outer side of the transmission guide column.
Furthermore, the vertical section of the sucker is formed by integrally molding a rectangle and a splayed shape positioned below the rectangle, and the inner top surface of the sucker and the bottom surface of the guide post are positioned on the same horizontal plane.
Furthermore, a rectangular clamping block is fixedly connected to the top surface of the electric telescopic rod, a bolt column is welded to the middle of the top surface of the rectangular clamping block, the rectangular clamping block is used for being matched with the lower end of the convex open slot, and meanwhile the bolt column penetrates through the convex open slot and extends to the outer side of the L-shaped frame.
Furthermore, universal wheels are fixedly arranged on four corners of the bottom surface of the base; and a locking bolt is spirally matched on the outer side wall of the upper end of the fixed column, and one end of the locking bolt penetrates through the fixed column to be in contact with the outer side wall of the movable column.
Furthermore, the electric telescopic rod, the electromagnetic column and the sound wave detection sensor which belong to the same stress wave detection mechanism are electrically connected with the electric plugs at the other ends of the branch conducting wires through the branch conducting wires, and the electric plugs are respectively inserted into the jacks in a sliding manner.
Furthermore, still fixedly connected with total conducting wire on the bottom surface of single chip microcomputer controller, total conducting wire is electric connection with the singlechip in the single chip microcomputer controller.
The invention has the following beneficial effects:
1. the invention can realize the contact between the sucker and the building timber under the extension of the electric telescopic rod through the arrangement of the electric telescopic rod, thereby realizing the initial fixation of the stress wave detection mechanism, controlling the air suction pump to perform air suction operation inside the diversion box through the singlechip controller after the preliminary fixation is finished, under the action of air suction, the air in the vacuum cavity can be sucked out, because the vacuum cavity and the vent hole on the sucking disc are arranged in a communicating way, under the condition of air extraction, the sucker can be firmly adsorbed on a building due to the change of internal and external pressure intensities, and meanwhile, under the condition that the vacuum cavity is vacuumized, according to the characteristic that sound can not be transmitted in vacuum, the problem of excessive outward dispersion of sound waves can be solved to a certain extent, the accuracy of the inspection result is improved, therefore, when the device is used for detection, the detection effect is improved while damage to buildings is avoided.
2. The invention can realize the dislocation separation of the two L-shaped frames only by manually pushing the push column upwards by a worker when the device is installed through the arrangement that the push rod is slidably sleeved in the fixed rod and the arrangement that the movable frame consists of the two L-shaped frames which can move relatively, the worker can conveniently sleeve the building in the movable frame at the moment, the two L-shaped frames can be closed by pulling the push column downwards after the sleeve joint is finished, the worker can carry out subsequent detection operation, when the distance between the sensors is measured, the worker only needs to separate the two L-shaped frames and take the L-shaped frames off from the building under the condition of keeping the inconvenient extension length of the electric telescopic rod, the measurement can be carried out, the arrangement avoids the climbing of the worker and the measurement of the distance between the sensors can also be carried out on the bottom surface, the operation is simple, and meanwhile, the detection safety is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right side view of FIG. 1 of the present invention;
FIG. 3 is a schematic structural diagram of a stress wave detection mechanism according to the present invention;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is a cross-sectional view of FIG. 3;
FIG. 6 is a schematic structural view of an L-shaped frame according to the present invention;
FIG. 7 is a cross-sectional view of an L-shaped frame of the present invention;
FIG. 8 is a schematic structural view of a base, a stationary post and a movable post connecting body according to the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 1;
FIG. 10 is an enlarged view at B in FIG. 2;
fig. 11 is a schematic view of the structure of the present invention in a state of being prepared for inspection of an ancient building.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a movable frame; 2. a stress wave detection mechanism; 3. a first movable frame; 4. a base; 5. a second movable frame; 6. a single chip controller; 7. a shunt box; 101. an L-shaped frame; 201. an outer cylinder; 202. a connecting plate; 203. an electric telescopic rod; 301. a push rod; 401. a universal wheel; 402. fixing a column; 403. a movable post; 501. fixing the rod; 601. a jack; 602. a bus conductive line; 701. a shunt tube; 702. an air intake duct; 1011. a convex open slot; 1012. positioning the through hole; 1013. a positioning column; 2011. dividing a conducting wire; 2012. a hose; 2013. a suction cup; 2014. a vent hole; 2015. a guide post; 2016. an inner barrel; 2017. a first impact block; 2018. a limiting sleeve; 2019. connecting columns; 20120. an electromagnetic column; 20121. a return spring; 20122. a telescopic column; 20123. a second impact block; 20124. a divider tray; 20125. a vacuum chamber; 20126. an acoustic wave detection sensor; 2031. a rectangular fixture block; 2032. a bolt column; 3011. pushing the column; 4021. a locking bolt; 4031. inserting a column; 5011. a guide groove; 7011. an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
In the description of the present invention, it is to be understood that the terms "open", "one side", "lower", "height", "in the annular direction", "concentrically arranged", "alternately connected", "inner", "peripheral side", "outer", and the like, indicate orientations or positional relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-2, the invention relates to a device for detecting strength of an ancient building structure, which comprises a movable frame 1, stress wave detection mechanisms 2, a first movable frame 3, a base 4 and a second movable frame 5, wherein the basic components of the device are formed by the components as shown in the drawing, the stress wave detection mechanisms 2 with the same number are arranged on the inner sides of four side frames of the movable frame 1 in a matching way, the first movable frame 3 is arranged below one side of the movable frame 1, the second movable frame 5 is arranged below the other side of the movable frame 1, and the base 4 is arranged below the position between the first movable frame 3 and the second movable frame 5.
As shown in fig. 1-2 and 6-7, the movable frame 1 has two congruent L-shaped frames 101 symmetrically arranged with a diagonal line of the movable frame 1, the L-shaped frame 101 above the diagonal line is fixedly connected with the first movable frame 3, and the L-shaped frame 101 below the diagonal line is fixedly connected with the second movable frame 5, so that the two L-shaped frames 101 can be separated when the two L-shaped frames 101 move in the vertical direction, thereby facilitating the matching between the device and the building timber;
two frames of the L-shaped frame 101 are both provided with convex open slots 1011 with two closed ends along the direction of the long side edge;
the positioning column 1013 is fixedly connected to one end surface of a vertical rod of the L-shaped frame 101, and the positioning through hole 1012 is arranged at one end of a horizontal rod of the L-shaped frame 101, wherein the positioning column 1013 and the positioning through hole 1012 on any one L-shaped frame 101 are respectively used for clearance fit with the positioning through hole 1012 and the positioning column 1013 on the other L-shaped frame 101, and this arrangement can realize positioning and fixing between the two L-shaped frames 101 when the two L-shaped frames 101 are mutually matched.
Referring to fig. 1-2 and 9-10, the first movable frame 3 and the second movable frame 5 are both L-shaped, the vertical rod of the first movable frame 3 is fixedly connected to the outer side wall of the corner at the upper end of one side of the movable frame 1, and the bottom surface of one side of the horizontal rod of the first movable frame 3 is fixedly connected with a push rod 301; the vertical rod of the second movable frame 5 is fixedly connected to the outer side wall of the corner at the lower end of the other side of the L-shaped frame 101, and meanwhile, one end of the horizontal rod of the second movable frame 5 is fixedly connected with a fixed rod 501;
the fixing rod 501 is hollow with an opening at the upper end, and a guide groove 5011 communicated with the hollow inside of the fixing rod 501 is further formed in the fixing rod 501 along the axial direction; the fixing rod 501 is hollow inside and used for sliding and sleeving the push rod 301, the guide groove 5011 is used for enabling the push post 3011 on the outer side wall of the lower end of the push rod 301 to freely penetrate through and limit the position, when an operator pushes the push rod 301 upwards through the push post 3011, the push rod 301 can move relative to the fixing rod 501, separation between the two L-shaped frames 101 is achieved, and therefore the operator can place building wood in the two L-shaped frames 101 conveniently, as shown in fig. 11;
a shunting box 7 is fixedly connected to the top surface of one side of a horizontal rod of the first movable frame 3, a plurality of shunting pipes 701 are arranged on the top surface of the shunting box 7 in an array manner, an air suction pipe 702 is fixedly connected to one side surface of the shunting box 7, and the shunting pipes 701 and the air suction pipe 702 are both communicated with an internal circulation cavity of the shunting box 7; the multiple shunt tubes 701 are used for respectively and fixedly connecting hoses 2012 on the multiple stress wave detection mechanisms 2, electromagnetic valves 7011 are further fixedly mounted on the shunt tubes 701, the electromagnetic valves 7011 are electrically connected with a single chip microcomputer in a single chip microcomputer controller 6, in the arrangement, an air suction pump is externally connected with the air suction pipe 702, air in the shunt box 7 can be sucked out by controlling the air suction pump to work through the single chip microcomputer controller 6, and then air suction in the stress wave detection mechanisms 2 is realized through the hoses 2012, and meanwhile, the electromagnetic valves 7011 can be relatively controlled according to the sucked amount of the hoses 2012.
Referring to fig. 2-5, the stress wave detection mechanism 2 includes an outer cylinder 201, a connection board 202 and an electric telescopic rod 203, the connection board 202 is fixedly sleeved in the middle of the outer side wall of the outer cylinder 201, the electric telescopic rod 203 is fixedly connected to the top surface of one side of the connection board 202, and the electric telescopic rod 203 is arranged to realize the movement of the outer cylinder 201 in the vertical direction, so as to realize the fixation of timbers of different sizes;
the inner cylinder 2016 is coaxially arranged inside the outer cylinder 201, the bottom surfaces of the outer cylinder 201 and the inner cylinder 2016 are fixedly connected through the suction cup 2013, the vacuum cavity 20125 is formed among the outer cylinder 201, the inner cylinder 2016 and the suction cup 2013, vent holes 2014 are uniformly distributed on the top surface of the suction cup 2013 along the circumferential direction, the vent holes 2014 are communicated with the vacuum cavity 20125, in the arrangement, under the continuous air suction effect of the hose 2012, air in the vacuum cavity 20125 and the suction cup 2013 can be sucked out, under the condition of different internal and external pressure intensities, the suction cup 2013 is firmly pressed on building wood, and meanwhile, after the vacuum cavity 20125 is sucked into vacuum, sound diffusion and transmission are also avoided;
the vertical section of the sucker 2013 is formed by integrally molding a rectangle and a splayed shape positioned below the rectangle, the inner top surface of the sucker 2013 and the bottom surface of the conducting column 2015 are positioned on the same horizontal plane, and the sucker 2013 can be tightly attached to wood due to the arrangement;
the outer top surface of the inner cylinder 2016 and the inner top surface of the outer cylinder 201 are fixedly connected through a connecting column 2019, a sound wave detection sensor 20126 is fixedly mounted on the bottom surface of the separating disc 20124 in the inner cylinder 2016 and positioned on the outer side of the guide column 2015, and the sound wave detection sensor 20126 is arranged to receive sound;
a separating disc 20124 is fixedly connected to the upper end of the inner side wall of the inner barrel 2016, a conducting column 2015 is fixedly sleeved in the center of the separating disc 20124, a first impact block 2017 is arranged on the top surface of the conducting column 2015 above the separating disc 20124, a second impact block 20123 is arranged above the first impact block 2017 in an aligned mode, the second impact block 20123 is fixedly connected to one end of a telescopic column 20122, the other end of the telescopic column 20122 is slidably sleeved in a limiting sleeve 2018, the limiting sleeve 2018 is fixedly connected to the inner top surface of the inner barrel 2016, and an electromagnetic column 20120 is fixedly mounted on the inner top surface of the limiting sleeve 2018 above the telescopic column 20122;
a return spring 20121 is sleeved outside the limiting sleeve 2018 in a sliding mode, and two ends of the return spring 20121 are fixedly connected to the second impact block 20123 and the inner cylinder 2016 respectively;
in the arrangement, the telescopic column 20122 can be adsorbed under the action of electrifying the electromagnetic column 20120, and under the condition that the electromagnetic column 20120 is powered off, the telescopic column 20122 can be reset under the action of the return spring 20121, so that the telescopic column 20122 can be continuously stretched under the action of continuously electrifying and powering off the electromagnetic column 20120, and the second impact block 20123 continuously impacts the first impact block 2017 to make a sound;
a hose 2012 is fixedly connected to the outer side wall of the upper end of the outer cylinder 201, the hose 2012 is communicated with the vacuum chamber 20125, and the other end of the hose 2012 is fixedly sleeved on one end of the flow dividing pipe 701;
fixedly connected with rectangle fixture block 2031 on electric telescopic handle 203's the top surface, the welding of rectangle fixture block 2031's top surface middle part has bolt post 2032, rectangle fixture block 2031 is used for the cooperation in convex open slot 1011 lower extreme position department, bolt post 2032 passes convex open slot 1011 simultaneously and extends to the outside of L shape frame 101, rectangle fixture block 2031's setting can realize with L shape frame 101 between the cooperation spacing, bolt post 2032 can realize stress wave detection mechanism 2 and the direct cooperation installation of L shape frame 101, this itself that sets up also makes things convenient for the dismantlement installation of stress wave detection mechanism 2, thereby the staff of being convenient for needs to adjust the quantity of stress wave detection mechanism 2.
Referring to fig. 1 and 8, a fixed column 402 is fixedly connected to the middle of the top surface of the base 4, a movable column 403 is slidably sleeved at the upper end of the fixed column 402, an insert column 4031 is coaxially arranged on the top surface of the movable column 403, the insert column 4031 is used for being slidably inserted into a slot on the bottom surface of the fixed rod 501, and the arrangement is convenient for the cooperative installation between the movable column 403 and the fixed rod 501;
Referring to fig. 3, 5 and 9, a single chip microcomputer controller 6 is further fixedly connected to the outer side wall of the lower end of the fixing rod 501, a plurality of jacks 601 are uniformly distributed on two side faces of the single chip microcomputer controller 6 along the vertical direction, electric connection pieces in the jacks 601 are electrically connected with a single chip microcomputer in the single chip microcomputer controller 6, and the single chip microcomputer controller 6 is arranged to control electrical components in the device;
in the drawing, in order to make the drawing overall clear, the split conducting line 2011 between the stress wave detection mechanism 2 and the single chip microcomputer controller 6 adopts a cut-off drawing method, but the cut-off drawing method does not represent the cut-off and/or non-communication between the split conducting lines 2011;
still fixedly connected with total conducting wire 602 on the bottom surface of single chip microcomputer controller 6, total conducting wire 602 is electric connection with the singlechip among the single chip microcomputer controller 6, and total conducting wire 602 is used for being connected with the computer end, and the technique of being convenient for is during data transmission to the computer that detects, supplies the staff to know building timber structural strength.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an ancient building structural strength detection device, includes movable frame (1), stress wave detection mechanism (2), first adjustable shelf (3), base (4) and second adjustable shelf (5), its characterized in that: stress wave detection mechanisms (2) with the same number are arranged on the inner sides of four side frames of the movable frame (1) in a matched mode, a first movable frame (3) is arranged below one side of the movable frame (1), a second movable frame (5) is arranged below the other side of the movable frame (1), and a base (4) is arranged below the position between the first movable frame (3) and the second movable frame (5);
the movable frame (1) is provided with two congruent L-shaped frames (101) which are symmetrically arranged by using one diagonal line of the movable frame (1), the L-shaped frame (101) above the diagonal line is fixedly connected with the first movable frame (3), and meanwhile, the L-shaped frame (101) below the diagonal line is fixedly connected with the second movable frame (5);
two frames of the L-shaped frame (101) are respectively provided with a convex open slot (1011) with two closed ends along the direction of the long side edge;
the first movable frame (3) and the second movable frame (5) are arranged in an L shape, a vertical rod of the first movable frame (3) is fixedly connected to the outer side wall of the corner at the upper end of one side of the movable frame (1), and meanwhile, a push rod (301) is fixedly connected to the bottom surface of one side of a horizontal rod of the first movable frame (3); the vertical rod of the second movable frame (5) is fixedly connected to the outer side wall of the corner at the lower end of the other side of the L-shaped frame (101), and meanwhile one end of the horizontal rod of the second movable frame (5) is fixedly connected with a fixed rod (501);
the fixing rod (501) is arranged in a hollow mode with an opening at the upper end, and a guide groove (5011) communicated with the inside of the fixing rod (501) in a hollow mode is further formed in the fixing rod (501) along the axial direction; the inner part of the fixing rod (501) is hollow and is used for sliding and sleeving the push rod (301), and the guide groove (5011) is used for enabling a push column (3011) on the outer side wall of the lower end of the push rod (301) to freely pass through and limit;
the stress wave detection mechanism (2) comprises an outer cylinder (201), a connecting plate (202) and an electric telescopic rod (203), the connecting plate (202) is fixedly sleeved in the middle of the outer side wall of the outer cylinder (201), and the electric telescopic rod (203) is fixedly connected to the top surface of one side of the connecting plate (202);
an inner barrel (2016) is coaxially arranged inside the outer barrel (201), the bottom surfaces of the outer barrel (201) and the inner barrel (2016) are fixedly connected through a sucker (2013), a vacuum cavity (20125) is formed among the outer barrel (201), the inner barrel (2016) and the sucker (2013), vent holes (2014) are uniformly distributed in the circumferential direction on the top surface of the sucker (2013), and the vent holes (2014) are communicated with the vacuum cavity (20125);
a separating disc (20124) is fixedly connected to the upper end of the inner side wall of the inner cylinder (2016), a guide post (2015) is fixedly sleeved at the center of the separating disc (20124), a first impact block (2017) is arranged on the top surface of the guide post (2015) above the separating disc (20124), a second impact block (20123) is arranged above the first impact block (2017) in an aligned mode, the second impact block (20123) is fixedly connected to one end of a telescopic post (20122), the other end of the telescopic post (20122) is slidably sleeved in a limiting sleeve (2018), the limiting sleeve (2018) is fixedly connected to the inner top surface of the inner cylinder (2016), and an electromagnetic post (20120) is fixedly mounted on the inner top surface of the limiting sleeve (2018) above the telescopic post (20122);
a return spring (20121) is sleeved outside the limiting sleeve (2018) in a sliding mode, and two ends of the return spring (20121) are fixedly connected to the second impact block (20123) and the inner barrel (2016) respectively;
the outer side wall of the upper end of the outer cylinder (201) is fixedly connected with a hose (2012), the hose (2012) is communicated with the vacuum cavity (20125), and the other end of the hose (2012) is fixedly sleeved on one end of the flow dividing pipe (701);
a shunting box (7) is fixedly connected on the top surface of one side of the horizontal rod of the first movable frame (3), a plurality of shunt tubes (701) are arranged on the top surface of the shunt box (7) in an array manner, meanwhile, an air suction pipe (702) is fixedly connected to one side face of the flow distribution box (7), the flow distribution pipes (701) and the air suction pipe (702) are communicated with an internal circulation cavity of the flow distribution box (7), the flow distribution pipes (701) are used for respectively fixedly connecting hoses (2012) on the stress wave detection mechanisms (2), the shunt pipe (701) is also fixedly provided with an electromagnetic valve (7011), the electromagnetic valve (7011) is electrically connected with a single chip microcomputer in the single chip microcomputer controller (6), the air suction pipe (702) is externally connected with an air suction pump, the single chip microcomputer controller (6) controls the air pump to work to pump air out of the shunting box (7), so that air pumping of the hose (2012) to the stress wave detection mechanism (2) is realized;
a fixed column (402) is fixedly connected to the middle of the top surface of the base (4), a movable column (403) is slidably sleeved at the upper end of the fixed column (402), an inserting column (4031) is coaxially arranged on the top surface of the movable column (403), and the inserting column (4031) is used for being slidably inserted into a slot on the bottom surface of the fixed rod (501);
still fixedly connected with single chip microcomputer controller (6) on the lower extreme lateral wall of dead lever (501), be provided with a plurality of jacks (601) along vertical direction equipartition on the both sides face of single chip microcomputer controller (6), the electric connection piece in jack (601) and the singlechip electric connection in single chip microcomputer controller (6).
2. The ancient building structure strength detection device according to claim 1, characterized in that one end face of the vertical rod of the L-shaped frame (101) is fixedly connected with a positioning column (1013), and one end of the horizontal rod of the L-shaped frame (101) is provided with a positioning through hole (1012), wherein the positioning column (1013) and the positioning through hole (1012) on any one L-shaped frame (101) are respectively used for being in clearance fit with the positioning through hole (1012) and the positioning column (1013) on the other L-shaped frame (101).
3. The historic building structure strength detection device as claimed in claim 1, wherein the outer top surface of the inner barrel (2016) and the inner top surface of the outer barrel (201) are fixedly connected through a connecting column (2019), and a sonic detection sensor (20126) is fixedly installed on the outer side of the conducting column (2015) on the bottom surface of the separating disc (20124) inside the inner barrel (2016).
4. The ancient building structural strength detection device according to claim 1, characterized in that the vertical section of the suction cup (2013) is formed by integrally forming a rectangle and a figure eight below the rectangle, and the inner top surface of the suction cup (2013) and the bottom surface of the guide pillar (2015) are located on the same horizontal plane.
5. The ancient building structural strength detection device according to claim 1, characterized in that a rectangular fixture block (2031) is fixedly connected to the top surface of the electric telescopic rod (203), a bolt column (2032) is welded to the middle of the top surface of the rectangular fixture block (2031), the rectangular fixture block (2031) is used for being matched with the lower end of the convex opening groove (1011), and meanwhile, the bolt column (2032) penetrates through the convex opening groove (1011) and extends to the outer side of the L-shaped frame (101).
6. The historic building structure strength detection device according to claim 1, wherein universal wheels (401) are fixedly mounted on four corners of the bottom surface of the base (4); and a locking bolt (4021) is in threaded fit with the outer side wall of the upper end of the fixed column (402), and one end of the locking bolt (4021) penetrates through the fixed column (402) to be in contact with the outer side wall of the movable column (403).
7. The device for detecting the strength of the historic building structure according to claim 1, wherein the electric telescopic rod (203), the electromagnetic post (20120) and the acoustic wave detection sensor (20126) which belong to the same stress wave detection mechanism (2) are electrically connected with an electric plug at the other end of the branch conducting wire (2011) through the branch conducting wire (2011), and the electric plugs are respectively inserted into the jacks (601) in a sliding manner.
8. The historic building structure strength detection device according to claim 1, wherein a total conducting wire (602) is further fixedly connected to the bottom surface of the single chip microcomputer controller (6), and the total conducting wire (602) is electrically connected to a single chip microcomputer in the single chip microcomputer controller (6).
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| GB1001857A (en) * | 1962-12-20 | 1965-08-18 | Dickinson Ben Wade O Iii | Method and apparatus for flaw detection by ultrasonic means |
| US5808201A (en) * | 1996-09-09 | 1998-09-15 | Sonicforce, L.L.C. | Acoustic strain gauge |
| WO2002092927A2 (en) * | 2001-04-03 | 2002-11-21 | Zornes David A | Building structure and analysis process |
| US7464596B2 (en) * | 2004-09-24 | 2008-12-16 | The Boeing Company | Integrated ultrasonic inspection probes, systems, and methods for inspection of composite assemblies |
| CN101986150A (en) * | 2010-10-14 | 2011-03-16 | 中国林业科学研究院木材工业研究所 | Method for detecting internal defects of ancient building wood member by using stress wave and resistance instrument together |
| CN102706963B (en) * | 2011-06-16 | 2014-10-22 | 王立海 | Stress wave nondestructive detection device for ancient tree/ancient building timber structure inner decay |
| CN102429701A (en) * | 2011-11-01 | 2012-05-02 | 福州施可瑞光电科技有限公司 | Ultrasonic stone crushing method and ultrasonic stone crushing pincers |
| US9383341B2 (en) * | 2013-10-29 | 2016-07-05 | Metriguard Inc. | Sonic lumber tester |
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| CN105181815B (en) * | 2015-10-21 | 2017-11-14 | 北京工业大学 | A kind of shockwave sensor positioner for being used to detect historic building fire prevention defect |
| CN105424805B (en) * | 2015-12-13 | 2018-07-06 | 北京工业大学 | A kind of historic building fire prevention inside and outside defect generaI investigation detection device based on traditional detection method |
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| CN211234374U (en) * | 2020-03-11 | 2020-08-11 | 张仲军 | A novel detection device for construction management |
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