CN108519432A - A kind of building hollow drum automatic detection instrument - Google Patents
A kind of building hollow drum automatic detection instrument Download PDFInfo
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- CN108519432A CN108519432A CN201810290566.0A CN201810290566A CN108519432A CN 108519432 A CN108519432 A CN 108519432A CN 201810290566 A CN201810290566 A CN 201810290566A CN 108519432 A CN108519432 A CN 108519432A
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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
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
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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
- G01N29/225—Supports, positioning or alignment in moving situation
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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
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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
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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Abstract
The present invention relates to wall hollow drum detection fields, more specifically, it relates to a kind of building hollow drum automatic detection instrument, it is intended to solve the problems, such as that present wall hollow drum relies primarily on the judgement of operator's subjective experience, its key points of the technical solution are that：Including liftable rack, the detection hammer for being connected to frame top side, driving detection hammer and driving mechanism in the rack, it is connected to the testing agency of detection hammer, wherein driving mechanism includes that limit detects the limiting plate of hammer, the driving secondary bar for being connected to detection hammer one end, the driving mobile jib for being connected to driving secondary bar separate detection hammer one end, is connected to driving mobile jib far from the first motor for driving secondary bar one end, and first motor is fixed on rack.The present invention makes detection hammer hammer wall with nearly constant power by driving mechanism, and is detected to sound intensity by testing agency, achievees the purpose that detect wall hollow drum.
Description
Technical field
The present invention relates to wall hollow drum detection fields, more specifically, it relates to a kind of building hollow drum automatic detection instrument.
Background technology
Building hollowing refer generally between metope, ground, structure sheaf and the ceiling finish layer in house because not as required processing, stick
Patch loosely the problems such as and the hollowing phenomenon that occurs.If handled not in time before finishing or in finishing, wall can be caused for a long time by going down
Face Large Area Cracking, metope, floor or ground brick rising the arch come, the consequences such as ceiling plastering layer falls off.
The structure that traditional technology detects ground or metope is to use a holding rod, one end of holding rod be equipped with tup or
Hard object, the other end are handheld terminal, obtain different audios to determine whether being hollowing by tapping tested surface, this equipment configuration
Simple easy to use, defect is that the subjective experience of Main Basiss operator judges, and also easily makes operator in noisy environment
Erroneous judgement.
Authorize application No. is：A kind of civil engineering hollowing detection hammer disclosed in the Chinese patent of CN201220383303.2,
It is characterized in that：It is made of handle, hammer stem and tup；Handle is lengths of steel pipes straight shank, and hammer stem is straight lengths of rebar, in handle
Top end part is welded hammer stem and this handle is vertically welded into one with hammer stem；It is welded tup in the upper end of hammer stem, tup and hammer stem are mutual
It is vertical T-shaped.
The program is welded simplicity, and service life is long, but still has the above problem.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of building hollow drum automatic detection instrument, lead to
Mechanism of overdriving makes detection hammer hammer wall with nearly constant power, and is detected to sound intensity by testing agency, reaches
Detect the purpose of wall hollow drum.
The present invention above-mentioned technical purpose technical scheme is that：A kind of building hollowing detects automatically
Instrument, including liftable rack, the detection hammer for being connected to frame top side, driving detection hammer and the driving machine in rack
Structure, the testing agency for being connected to detection hammer, wherein driving mechanism include the limiting plate of limit detection hammer, are connected to detection hammer one
The driving secondary bar at end is connected to that driving mobile jib of the driving secondary bar far from detection hammer one end, to be connected to driving mobile jib secondary far from driving
The first motor of bar one end, first motor are fixed on rack.
Before starting measurement, automatic tester is oriented parallel to wall close to wall side to be measured, idler wheel is positioned over first
Body extending direction；
After starting measurement, driving mobile jib is dynamic as shaft rotation with the tie point of first motor using it, to drive driving secondary bar movement, drives
Dynamic secondary bar drives detection hammer movement, and makes the direction of motion that detection is hammered into shape towards wall by limiting plate；
Detection hammer and the shock loudness of wall are converted into electric signal by sound pick-up, and electric signal is passed to inspection sound circuit and is carried out
Detection, when testing result is normal, detector carries out elevating movement and moves horizontally, and is detected to next position；
When wall hollow drum, inspection sound circuit can be prompted by prompting bell, and stop detector movement at the same time, so that it is determined that
The position for hollowing occur, achievees the purpose that judge that hollowing detection can be carried out without staff.
The present invention is further arranged to：The rack includes that upper plate, lower plate, siding and connection upper plate and lower plate cut difference
Arm, the detection hammer are located at upper plate with the driving mechanism, and the lower plate is equipped with idler wheel, and the idler wheel is driven by the second motor
Dynamic, second motor is fixed on lower plate.
Detector is driven by roller motion, idler wheel by the second motor, and the second motor is by inspection sound circuit control, when going out
Behind existing hollowing position, inspection sound circuit stops the second motor control, to achieve the purpose that determining hollowing position.
The present invention is further arranged to：The difference arm of cutting includes the upper difference arm for being connected to upper plate, the lower difference for being connected to lower plate
Arm, the rotation axis of difference arm and lower difference arm in connection, it is described cut difference arm be relatively set in rack both sides it is several right；It is described each pair of to cut difference
Connecting rod is equipped between arm, the both ends of each connecting rod all pass through the rotation axis for cutting difference arm；It is opened at the connecting rod center
There is threaded hole of the axis perpendicular to connecting rod length direction, matched threaded rod is equipped in the threaded hole；The spiral shell
Rasp bar is driven by third motor, and the third motor is fixed on lower plate.
Detection hammer is located at upper plate, and when measured position is without hollowing, the transmission of third motor driven threaded rod, connecting rod is in screw thread
Moved under the cooperation of hole and threaded rod, since connecting rod is connected to two rotation axis so that upper difference arm and lower difference arm it
Between open.
The present invention is further arranged to：The testing agency includes sound pick-up, detects the inspection sound circuit of the audio of sound pick-up,
The inspection sound circuit includes detection circuit, comparison circuit, control circuit.
By using above-mentioned technical proposal so that flow can pass through from during water inlet pipe flows to water tank and examine sound electricity
Road controls flow, and after water flow reaches the first preset value, prompting bell sends out prompt；It is preset when water flow reaches second
After value, water inlet pipe is closed by prompting bell.
The present invention is further arranged to：The comparison circuit, including,
First comparing section is coupled to detection circuit to receive detection signal, and detection signal is compared with the first preset value
After export first control signal；
Second comparing section is coupled to detection circuit with the tie point of the first comparing section to receive detection signal, and will detect signal
Second control signal is exported after being compared with the second preset value.
First preset value is identical as the second preset value size, be all wall without hollowing when percussion loudness, comparison circuit will
Sound pick-up is compared with the first preset value, the second preset value, and the first control is sent out when sound intensity is less than the first preset value
Signal sends out second control signal when sound intensity is more than the second preset value.
The present invention is further arranged to：The control circuit includes,
Driving portion, is coupled to the first comparing section to receive first control signal, when the loudness of sound pick-up is less than the first preset value,
Driving portion makes first motor, the second motor obtain electric and be kept as electricity condition；
Prompting part, is coupled to the second comparing section to receive second control signal, after the loudness of sound pick-up is higher than the second preset value,
Prompting part makes prompting bell obtain electric and is kept as electricity condition, while first motor, the second motor being made to power off and remain powered off state.
By using above-mentioned technical proposal, when the loudness of sound pick-up is less than the first preset value, first motor and the second electricity
Machine driving detector is lifted and is moved horizontally；
After the loudness of sound pick-up is higher than the second preset value, prompting bell, which is remembered, reminds staff, and cuts off the first electricity
Machine, the second motor, make detector be maintained at the position for detecting hollowing.
The present invention is further arranged to：The driving portion includes,
5th resistance, one end are coupled to the first comparing section；
First triode, emitter ground connection, base stage are coupled to the 5th resistance；
6th resistance, one end are coupled to the tie point of the 5th resistance and the first transistor base, and the other end is coupled to the one or three pole
The tie point of pipe and ground.
By using above-mentioned technical proposal so that first motor, the second motor and first control signal are electrically connected to one
It rises, when exporting first control signal, first motor works with the second motor.
The present invention is further arranged to：Described prompting bell one end is coupled to direct current, other end ground connection, the prompting part packet
It includes,
7th resistance is coupled to the second comparing section；
Second triode, base stage are coupled to the 7th resistance, emitter ground connection；
8th resistance, one end are coupled to the tie point of the 7th resistance and the second transistor base, and the other end is coupled to the two or three pole
The tie point of pipe and ground；
Relay, one end are coupled to direct current, and the other end is coupled to the collector of the second triode, and relay includes first normally closed
Contact switch, the second normally-closed contact switch.
By using above-mentioned technical proposal, the second triode ON is made relay work by the second control signal of output,
First normally-closed contact of the first relay disconnects, and first motor, the second motor is made to be stopped；First normally opened contact switch simultaneously
It is closed, prompting bell obtains electric, and sends out the sound and is notified.
In conclusion the invention has the advantages that：
First, by driving mechanism make detection hammer with nearly constant power hammer wall, and by testing agency to sound intensity into
Row detection achievees the purpose that detect wall hollow drum；
Second, by examining the second motor of sound circuit pair, third motor controls so that test position can be replaced automatically.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the portions the A enlarged drawing in Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the portions the B enlarged drawing of Fig. 3；
Fig. 5 is the circuit diagram for examining sound circuit.
In figure：1, rack；11, upper plate；12, lower plate；121, idler wheel；122, the second motor；13, difference arm is cut；131, upper difference
Arm；132, lower difference arm；133, rotation axis；14, connecting rod；15, threaded rod；16, third motor；2, driving mechanism；21, bottom is limited
Seat；22, secondary bar is driven；23, mobile jib is driven；24, first motor；3, detection hammer；4, prompting bell；5 sound pick-ups；1000, inspection sound electricity
Road；100, detection circuit；200, comparison circuit；201, the first comparing section；202, the second comparing section；300, control circuit；301、
Driving portion；302, prompting part；R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th electricity
Resistance；R6, the 6th resistance；R7, the 7th resistance；R8, the 8th resistance；A, first comparator；B, the second comparator；Q1, the one or three pole
Pipe；Q2, the second triode；KM1, relay；S1, the first normally-closed contact switch；S2, the first normally opened contact switch；D1, afterflow two
Pole pipe.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment：A kind of building hollow drum automatic detection instrument, as shown in Figure 1, including liftable rack 1, being connected to rack 1
The detection hammer 3 of top side, driving detection hammer 3 and the driving mechanism 2 in rack 1, the detection machine for being connected to detection hammer 3 into shape
Structure, wherein rack 1 include that upper plate 11, lower plate 12 and connection upper plate 11 and lower plate 12 cut difference arm 13.
As shown in Figure 1, driving mechanism 2 includes being fixed on 11 limiting plate 21 of upper plate, limiting plate 21 is in " recessed " shape and court
It is arranged to wall, detection hammer 3 is slidably connected in the groove of limiting plate 21；One end connection one of the detection hammer 3 far from wall is driven
3 one end connection, one driving mobile jib 23 is hammered in dynamic secondary bar 22, the separate detection of driving secondary bar 22 into shape, and driving mobile jib 23 passes through first motor 24
Driving rotation；First motor 24 is fixed on upper plate 11, output shaft and the separate driving secondary bar 22 of driving mobile jib 23 of first motor 24
One end fix, circle, using length as radius, is done in one end to make driving mobile jib 23 to connect first motor 24 as the center of circle
Zhou Yundong.
As shown in Fig. 2, it includes being connected to the upper difference arm 131 of upper plate 11, being connected to the lower difference arm of lower plate 12 to cut difference arm 13
132, the rotation axis 133 of difference arm 131 and lower difference arm 132 in connection.Cut difference arm 13 and be relatively set with two pairs, it is each pair of cut difference arm 13 it
Between be equipped with connecting rod 14, the both ends for extending perpendicularly to gravity direction and connecting rod 14 of connecting rod 14 pass through rotation axis 133,
Rotation axis 133 can be slided along the length direction of connecting rod 14.It offers at the center of connecting rod 14 and extends along gravity direction
Threaded hole, threaded hole is interior to be equipped with corresponding threaded rod 15, and 15 top of threaded rod is pierced by upper plate 11 and bottom end is connected to third motor
16（Fig. 3）, third motor 16 is fixed on the lower section of lower plate 12.
As shown in figure 3, in order to allow rack 1 easily to move, be equipped with idler wheel 121 below lower plate 12, idler wheel 121 in
The quadrangle of lower plate 12 is respectively provided with one, and is moved towards perpendicular to the direction of 3 movement of detection hammer.Idler wheel 121 in pairs, is located at
Two idler wheels 121 at rear are driven by the second motor 122, and the second motor 122 is fixed on 12 lower section of lower plate.
As shown in figure 5, testing agency includes prompting bell 4（Fig. 4）, control prompting bell 4 whether electric inspection sound circuit 1000.
Inspection sound circuit 1000 includes for detecting the sound and exporting the detection circuit 100 for detecting signal, the ratio for being coupled to detection circuit 100
Compared with circuit 200, it is coupled to the control circuit 300 of comparison circuit 200.
Detection circuit 100 is set as sound pick-up 5（Such as Fig. 4）.
As shown in Figure 5：Comparison circuit 200 includes the first comparing section 201, the second comparing section 202.
As shown in Figure 5：First comparing section 201 includes first resistor R1, second resistance R2, first comparator A, first resistor
The one end R1 is coupled to direct current, and the first resistor R1 other ends are coupled to the one end second resistance R2, and the second resistance R2 other ends are grounded,
First comparator A reverse side is coupled to the tie point of first resistor R1 and second resistance R2 to receive the first preset value, and first is pre-
If sound when being worth for wall without hollowing；First comparator A positive terminals are coupled to sound pick-up 5 to receive detection signal.
Second comparing section 202 includes 3rd resistor R3, the 4th resistance R4, the second comparator B, the coupling of the one end 3rd resistor R3
In direct current, the 3rd resistor R3 other ends are coupled to the 4th one end resistance R4, the 4th resistance R4 other ends ground connection, the second comparator
B positive terminals are coupled to the tie point of 3rd resistor R3 and the 4th resistance R4 to receive the second preset value, the second preset value and first
Preset value is identical；Second comparator B reverse side is coupled to sound pick-up 5 with the tie point of first comparator A positive terminals to receive inspection
Survey signal.
Control circuit 300 includes driving portion 301, prompting part 302.4 one end of prompting bell is coupled to direct current, another termination
Ground.
Driving portion 301 includes the 5th resistance R5, the 6th resistance R6, the first triode Q1, and the 5th one end resistance R5 is coupled to
First comparator A output ends, the 5th resistance R5 other ends are coupled to the first triode Q1 base stages；The collector of first triode Q1
It is coupled to the emitter ground connection of relay KM1, the first triode Q1.
6th one end resistance R6 is coupled to the tie point of the 5th resistance R5 and the first triode Q1 base stages, and the 6th resistance R6 is another
One end is coupled to the tie point of the first triode Q1 and ground.
Prompting part 302 includes the 7th resistance R7, the 8th resistance R8, the second triode Q2, relay KM1, fly-wheel diode
D1, the 7th one end resistance R7 are coupled to one end and are coupled to the second comparator B output ends, and the 7th resistance R7 other ends are coupled to second
Triode Q2 base stages；The collector of second triode Q2 is coupled to the emitter ground connection of relay KM1, the second triode Q2.
8th one end resistance R8 is coupled to the tie point of the 7th resistance R7 and the second triode Q2 base stages, and the other end is coupled to
The tie point of second triode Q2 and ground；Relay KM1 is coupled to direct current, relay KM1 include be coupled to first motor 24,
First normally-closed contact switch S1 of the second motor 122, the first normally opened contact switch S2 for being coupled to prompting bell 44, first is normally closed tactile
Point switch S1 is connected to ground.1 one end of sustained diode is coupled to the tie point of relay KM1 and the second triode Q2 collectors,
1 other end of sustained diode is coupled to the tie point of relay KM1 and ground.
Operation principle：
Before starting measurement, automatic tester is oriented parallel to wall close to wall side to be measured, idler wheel 121 is positioned over first
Extending direction；
After starting measurement, driving mobile jib 23 is dynamic as shaft rotation with the tie point of first motor 24 using it, to drive driving secondary bar 22
Movement drives the drive of secondary bar 22 to detect 3 movement of hammer, and to detect the direction of motion for hammering 3 into shape towards wall by limiting plate 21；
Detection hammer 3 and the shock loudness of wall are converted into electric signal by sound pick-up 5, and by electric signal pass to inspection sound circuit into
Row detection, when testing result is normal, detector carries out elevating movement and moves horizontally, and is detected to next position；
When wall hollow drum, inspection sound circuit can be prompted by prompting bell 4, and stop detector movement at the same time, to really
The position for making existing hollowing achievees the purpose that judge that hollowing detection can be carried out without staff.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of building hollow drum automatic detection instrument, it is characterised in that：Including liftable rack（1）, be connected to rack（1）Top
The detection of side is hammered into shape（3）, driving detection hammer（3）And it is located at rack（1）Interior driving mechanism（2）, be connected to detection hammer（3）Inspection
Survey mechanism, wherein driving mechanism（2）Including limit detection hammer（3）Limiting plate（21）, be connected to detection hammer（3）The drive of one end
Dynamic secondary bar（22）, be connected to driving secondary bar（22）Far from detection hammer（3）The driving mobile jib of one end（23）, be connected to driving mobile jib
（23）Far from driving secondary bar（22）The first motor of one end（24）, first motor（24）It is fixed on rack（1）.
2. a kind of building hollow drum automatic detection instrument according to claim 1, it is characterised in that：The rack（1）Including upper
Plate（11）, lower plate（12）And connection upper plate（11）With lower plate（12）Cut difference arm（13）, the detection hammer（3）With the driving
Mechanism（2）Positioned at upper plate（11）, the lower plate（12）Equipped with idler wheel（121）, the idler wheel（121）Pass through the second motor（122）
Driving, second motor（122）It is fixed on lower plate（12）.
3. a kind of building hollow drum automatic detection instrument according to claim 2, it is characterised in that：It is described to cut difference arm（13）Including
It is connected to upper plate（11）Upper difference arm（131）, be connected to lower plate（12）Lower difference arm（132）, difference arm in connection（131）With lower difference
Arm（132）Rotation axis（133）, described to cut difference arm（13）In rack（1）Both sides are relatively set with several right；It is described each pair of to cut difference arm
（13）Between be equipped with connecting rod（14）, each connecting rod（14）Both ends all pass through cut difference arm（13）Rotation axis（133）,
The connecting rod（14）Axis is provided at center perpendicular to connecting rod（14）The threaded hole of length direction is worn in the threaded hole
There is matched threaded rod（15）；The threaded rod（15）Pass through third motor（16）Driving, the third motor（16）Gu
Due to lower plate（12）.
4. a kind of building hollow drum automatic detection instrument according to claim 1, it is characterised in that：The testing agency includes picking up
Sound device（5）, detection sound pick-up（5）Audio inspection sound circuit（1000）, the inspection sound circuit（1000）Including detection circuit
（100）, comparison circuit（200）, control circuit（300）.
5. a kind of building hollow drum automatic detection instrument according to claim 4, it is characterized in that：The comparison circuit（200）, packet
It includes,
First comparing section（201）, it is coupled to detection circuit（100）Signal is detected to receive, and detection signal is preset with first
Value exports first control signal after being compared；
Second comparing section（202）, it is coupled to detection circuit（100）With the first comparing section（201）Tie point with receive detection letter
Number, and export second control signal after detection signal is compared with the second preset value.
6. a kind of building hollow drum automatic detection instrument according to claim 5, it is characterized in that：The control circuit（300）Packet
It includes,
Driving portion（301）, it is coupled to the first comparing section（201）To receive first control signal, work as sound pick-up（5）Loudness be less than
When the first preset value, driving portion（301）Make first motor（24）, the second motor（122）It obtains electric and is kept as electricity condition；
Prompting part（302）, it is coupled to the second comparing section（202）To receive second control signal, work as sound pick-up（5）Loudness be higher than
After second preset value, prompting part（302）Make prompting bell（4）It obtains electric and is kept as electricity condition, while making first motor（24）, second
Motor（122）It powers off and remains powered off state.
7. a kind of building hollow drum automatic detection instrument according to claim 6, it is characterized in that：The driving portion（301）Including,
5th resistance, one end are coupled to the first comparing section（201）；
First triode, emitter ground connection, base stage are coupled to the 5th resistance；
6th resistance, one end are coupled to the tie point of the 5th resistance and the first transistor base, and the other end is coupled to the one or three pole
The tie point of pipe and ground.
8. a kind of building hollow drum automatic detection instrument according to claim 7, it is characterized in that：The prompting bell（4）One end coupling
It is connected to direct current, other end ground connection, the prompting part（302）Including,
7th resistance is coupled to the second comparing section（202）；
Second triode, base stage are coupled to the 7th resistance, emitter ground connection；
8th resistance, one end are coupled to the tie point of the 7th resistance and the second transistor base, and the other end is coupled to the two or three pole
The tie point of pipe and ground；
Relay, one end are coupled to direct current, and the other end is coupled to the collector of the second triode, and relay includes first normally closed
Contact switch, the second normally-closed contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290566.0A CN108519432A (en) | 2018-04-03 | 2018-04-03 | A kind of building hollow drum automatic detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290566.0A CN108519432A (en) | 2018-04-03 | 2018-04-03 | A kind of building hollow drum automatic detection instrument |
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| CN108519432A true CN108519432A (en) | 2018-09-11 |
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| CN201810290566.0A Pending CN108519432A (en) | 2018-04-03 | 2018-04-03 | A kind of building hollow drum automatic detection instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521091A (en) * | 2018-11-21 | 2019-03-26 | 湖南图强科技开发有限公司 | A kind of engineering technology detection floor empty drum knocking device |
| CN110108801A (en) * | 2019-05-15 | 2019-08-09 | 广东博智林机器人有限公司 | Hollowing detection method, device, electronic equipment and computer-readable medium |
| CN111912904A (en) * | 2020-07-10 | 2020-11-10 | 谭祖佳 | Building engineering decoration part detection structure |
| CN113978378A (en) * | 2021-10-29 | 2022-01-28 | 枣庄高新区立正安装工程有限公司 | Multi-dimensional detection device for building finishing engineering |
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Application publication date: 20180911 |