CN110967403A - Wall hollowing automatic beating detection equipment based on speech recognition - Google Patents
Wall hollowing automatic beating detection equipment based on speech recognition Download PDFInfo
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- CN110967403A CN110967403A CN202010007071.XA CN202010007071A CN110967403A CN 110967403 A CN110967403 A CN 110967403A CN 202010007071 A CN202010007071 A CN 202010007071A CN 110967403 A CN110967403 A CN 110967403A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses wall surface hollowing automatic beating detection equipment based on voice recognition, which comprises a base, wherein a lifting block is arranged on the upper side of the base, a lifting mechanism which supports the lifting block and can drive the lifting block to lift is fixed on the upper end surface of the base, a moving cavity with the right end wall communicated with the external space is arranged in the lifting block, a rotating cavity is arranged in the left end wall of the moving cavity, a beating mechanism for beating a wall surface is arranged in the rotating cavity, a stamp mechanism for marking the hollowing position is arranged in the right end of the lifting block, the stamp mechanism comprises a supporting plate fixed in the moving cavity, a square block is fixed on the right end surface of the supporting plate, the device has a simple structure and is convenient to operate, the beating of the wall surface is comprehensively and automatically completed through mechanical transmission, the hollowing condition is automatically distinguished through the voice recognition in the beating process, and the mark is automatically beaten when the hollowing occurs, the device is convenient for later searching and modification, saves time and labor and greatly improves the detection efficiency.
Description
Technical Field
The invention relates to the field of voice recognition, in particular to wall surface hollowing automatic beating detection equipment based on voice recognition.
Background
The population is more and more, the demand for housing is more and more, the building of the building, in order to guarantee the quality of the house and the safety of people living in the future, the quality of the house needs to be detected;
at the in-process that detects, need beat the wall, detect whether there is the condition of hollowing in the wall, present detection mostly relies on the manual work to beat and the manual work is distinguished, and is consuming time power and inefficiency, is unfavorable for the detection of large tracts of land.
Disclosure of Invention
The invention aims to solve the technical problem of providing wall surface hollowing automatic beating detection equipment based on voice recognition, and solving the problems of low detection efficiency and the like, so that the detection efficiency is improved.
The invention is realized by the following technical scheme.
The invention discloses wall surface hollowing automatic beating detection equipment based on voice recognition, which comprises a base, wherein a lifting block is arranged on the upper side of the base, a lifting mechanism for supporting the lifting block and driving the lifting block to lift is fixed on the upper end surface of the base, a moving cavity with a right end wall communicated with an external space is arranged in the lifting block, a rotating cavity is arranged in the left end wall of the moving cavity, a beating mechanism for beating a wall surface is arranged in the rotating cavity, a stamp mechanism for marking the position of a hollow drum is arranged in the right end of the lifting block, the stamp mechanism comprises a supporting plate fixed in the moving cavity, a square block is fixed on the right end surface of the supporting plate, a through cavity with a right opening and a left end wall communicated with the moving cavity is arranged in the square block, a moving groove penetrated by the right end wall of the through cavity is arranged in the square block, and a communication between the moving cavity and the moving groove is arranged in the upper end wall of the A cavity, a containing block and a reset spring connecting the containing block and the left end wall of the moving groove are slidably connected in the moving groove, a containing groove with an upward opening is arranged in the containing block, a lifting cavity with a downward opening is arranged in the upper end wall of the moving cavity, a lifting plate capable of lifting and being arranged in the lifting cavity and a lifting spring capable of resetting the lifting plate are arranged in the lifting cavity, two clamping blocks are arranged on the lower side of the lifting plate, the upper end of the left clamping block is fixedly connected with the lifting plate, a fixing plate with the lower end penetrating through the single lifting cavity and the upper end wall of the communicating cavity and positioned in the communicating cavity is further arranged on the lower side of the lifting plate, a limiting groove with the upper end positioned between the clamping blocks is fixed on the upper end of the fixing plate, a fixing block with the right clamping block fixedly connected with the right clamping block is arranged in the limiting groove, and the front and rear ends of the, the improved stamping device is characterized in that a voice recognizer used for performing voice recognition is arranged in the right end wall of the lifting cavity, a limiting mechanism used for controlling the operation of the stamp mechanism is further arranged in the rotating cavity, and the position of the hollowing is distinguished through the knocking of the knocking mechanism and the judgment of the voice recognizer.
Further, elevating system is including fixing the fixed station of base up end, be equipped with the spacing chamber of upper end wall intercommunication external space in the fixed station, spacing intracavity is equipped with the transmission platform that the upper end is located external space, the left and right sides of transmission platform lower extreme all is fixed with the restriction the transmission platform leaves the stopper in spacing chamber, be equipped with the transmission chamber that the opening is decurrent in the transmission platform, the transmission intracavity be equipped with the upper end be located external space and with elevator fixed connection's lifter, the lifter lower extreme is fixed with two restrictions the lifter leaves the limiting plate in transmission chamber, be equipped with the spring chamber that the opening is decurrent in the lifter, spring chamber upper end wall be fixed with the lower extreme with spacing chamber lower extreme wall fixed connection's lift spring.
Further, knocking mechanism is including fixing rotate the rotation motor of chamber left end wall, it has the axis of rotation to rotate motor right-hand member power connection, sliding connection has two rope winding wheels on the rotation motor, still be fixed with a poker rod on the rotation motor, it is fixed with two supporting shoes to rotate chamber left end wall, two fixedly connected with fixed axle between the supporting shoe, rotate on the fixed axle be connected with the right-hand member with the dwang of poker rod upper end contact, it has the movable plate and can make to remove intracavity sliding connection the compression spring that the movable plate resets, the dwang right-hand member is fixed with the right-hand member and runs through rotate chamber right-hand member wall and with movable plate fixed connection's chain, the movable plate right-hand member is fixed with the piece of knocking that is used for.
Further, the limiting mechanism is including fixing rotate the first electro-magnet of chamber left end wall, it can with the right side to rotate intracavity sliding connection there is the upper end the restriction piece of serving as go-between rope wheel lower extreme meshing, be equipped with opening upwards and rear end wall intercommunication in the restriction piece rotate the friction groove in chamber, sliding connection has the rack piece and can make in the friction groove the coupling spring that the rack piece resets, it is fixed with the right-hand member with restriction piece fixed connection's expanding spring to rotate chamber left end wall, it can with rack piece repulsion second electro-magnet that attracts mutually to rotate chamber rear end wall internal fixation, rack piece upper end runs through friction groove upper end wall and with the left side the mesh of serving as go-between rope wheel lower extreme.
Furthermore, the friction force between the right rope winding wheel and the rotating shaft is far greater than the elastic force of the lifting spring, the friction force between the rack block and the lower end wall of the friction groove is far greater than the elastic force of the lifting spring, the magnetic force between the second electromagnet and the rack block is far greater than the sum of the friction force between the rack block and the lower end wall of the friction groove and the elastic force of the connecting spring, the elastic force of the compression spring is far greater than the elastic force of the return spring and the elastic force of the extension spring, and the friction force between the rack block and the lower end wall of the friction groove is far greater than the friction force between the rope winding wheel and the rotating shaft.
The invention has the beneficial effects that: the device simple structure, the simple operation through mechanical transmission, comprehensive and automatic completion is to the striking of wall, and differentiatees the hollowing condition through speech recognition automatically at the in-process that strikes, beats the mark automatically when meetting the hollowing, the later look for of being convenient for is revised, labour saving and time saving, very big improvement detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the D-D structure of FIG. 3 according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the structure E-E in FIG. 5 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The wall hollowing automatic beating detection device based on the voice recognition is combined with the attached drawings 1-6 and comprises a base 10, wherein an elevating block 23 is arranged on the upper side of the base 10, an elevating mechanism 60 which supports the elevating block 23 and can drive the elevating block 23 to ascend and descend is fixed on the upper end face of the base 10, a moving cavity 32 with a right end wall communicated with an external space is arranged in the elevating block 23, a rotating cavity 27 is arranged in the left end wall of the moving cavity 32, a beating mechanism 61 for beating the wall face is arranged in the rotating cavity 27, a stamp mechanism 63 for marking the hollowing position is arranged in the right end of the elevating block 23, the stamp mechanism 63 comprises a supporting plate 45 fixed in the moving cavity 32, a square block 64 is fixed on the right end face of the supporting plate 45, an opening is arranged in the square block 64, the opening is arranged rightward, the left end wall of the square block runs through the supporting plate 45 and, a moving groove 49 penetrated by the right end wall of the through cavity 50 is arranged in the square block 64, a communicating cavity 51 penetrated by the square block 64 and communicated with the moving cavity 32 and the moving groove 49 is arranged in the upper end wall of the through cavity 50, a receiving block 48 and a return spring 47 connected with the receiving block 48 and the left end wall of the moving groove 49 are connected in the moving groove 49 in a sliding manner, a receiving groove 46 with an upward opening is arranged in the receiving block 48, a lifting cavity 53 with a downward opening is arranged in the upper end wall of the moving cavity 32, a lifting plate 65 capable of lifting and a lifting spring 54 capable of returning the lifting plate 65 are arranged in the lifting cavity 53, two clamping blocks 55 are arranged on the lower side of the lifting plate 65, the upper end of the clamping block 55 on the left side is fixedly connected with the lifting plate 65, a fixing plate 44 with a single arm with a lower end penetrating through the lifting cavity 53 and the upper end wall of the communicating cavity 51 and positioned in the communicating cavity 51 is further arranged on the lower side of the lifting plate 65, the fixed plate 44 upper end is fixed with the upper end and is located press from both sides the spacing groove 57 between the tight piece 55, be equipped with right-hand member and right side in the spacing groove 57 press from both sides tight piece 55 fixed connection's fixed block 58, two all through extension spring 59 fixed connection between the both ends around pressing from both sides tight piece 55, be equipped with the speech recognition ware 33 that is used for carrying out speech recognition in the lifting chamber 53 right-hand member wall, still be equipped with the control in the rotation chamber 27 the limiting mechanism 62 of seal mechanism 63 operation, through strike mechanism 61 and speech recognition ware 33's judgement, the position of distinguishing empty drum.
Advantageously, the lifting mechanism 60 comprises a fixed table 12 fixed to the upper end surface of the base 10, a limit cavity 16 with the upper end wall communicated with the external space is arranged in the fixed table 12, a transmission table 15 with the upper end positioned in the external space is arranged in the limit cavity 16, the left side and the right side of the lower end of the transmission platform 15 are both fixed with a limit block 13 which limits the transmission platform 15 to leave the limit cavity 16, a transmission cavity 18 with a downward opening is arranged in the transmission table 15, a lifting rod 17 with the upper end positioned in the external space and fixedly connected with the lifting block 23 is arranged in the transmission cavity 18, two limit plates 14 for limiting the lifting rod 17 to leave the transmission cavity 18 are fixed at the lower end of the lifting rod 17, a spring cavity 66 with a downward opening is arranged in the lifting rod 17, and a lifting spring 11 with a lower end fixedly connected with the lower end wall of the limiting cavity 16 is fixed on the upper end wall of the spring cavity 66.
Advantageously, the knocking mechanism 61 includes a rotating motor 22 fixed on the left end wall of the rotating cavity 27, the right end of the rotating motor 22 is in power connection with a rotating shaft 20, the rotating motor 22 is in sliding connection with two rope winding wheels 21, the rotating motor 22 is also fixed with a poking rod 28, the left end wall of the rotating cavity 27 is fixed with two supporting blocks 24, a fixed shaft 25 is fixedly connected between the two supporting blocks 24, the fixed shaft 25 is in rotating connection with a rotating rod 26 whose right end is in contact with the upper end of the poking rod 28, the moving cavity 32 is in sliding connection with a moving plate 31 and a compression spring 29 capable of resetting the moving plate 31, the right end of the rotating rod 26 is fixed with a chain 30 whose right end penetrates through the right end wall of the rotating cavity 27 and is fixedly connected with the moving plate 31, the right end of the moving plate 31 is fixed, .
Advantageously, the limiting mechanism 62 includes a first electromagnet 37 fixed on the left end wall of the rotating cavity 27, a limiting block 40 with an upper end capable of engaging with the lower end of the right rope winding wheel 21 is slidably connected in the rotating cavity 27, a friction groove 38 with an upward opening and a rear end wall communicating with the rotating cavity 27 is arranged in the limiting block 40, a rack block 41 and a connecting spring 42 capable of resetting the rack block 41 are slidably connected in the friction groove 38, an extension spring 35 with a right end fixedly connected with the limiting block 40 is fixed on the left end wall of the rotating cavity 27, a second electromagnet 39 capable of repelling and attracting with the rack block 41 is fixed in the rear end wall of the rotating cavity 27, and the upper end of the rack block 41 penetrates through the upper end wall of the friction groove 38 and engages with the lower end of the left rope winding wheel 21.
Advantageously, the friction between the right-side rope pulley 21 and the rotating shaft 20 is much greater than the elastic force of the lifting spring 11, the friction between the left-side rack block 41 and the lower end wall of the friction groove 38 is much greater than the elastic force of the lifting spring 54, the magnetic force between the second electromagnet 39 and the rack block 41 is much greater than the sum of the friction between the rack block 41 and the lower end wall of the friction groove 38 and the elastic force of the connecting spring 42, the elastic force of the compression spring 29 is much greater than the elastic force of the return spring 47 and the elastic force of the extension spring 59, and the friction between the left-side rack block 41 and the lower end wall of the friction groove 38 is much greater than the friction between the rope pulley 21 and the rotating shaft 20.
In the initial state, the lifting spring 11, the compression spring 29, and the lifting spring 54 are all in a compressed state.
Placing the base 10 on one side of the wall to be detected, then rotating the motor 22 to work and driving the rotating shaft 20 to rotate, thereby driving the right side rope winding wheel 21 and the poking rod 28 to rotate, the right side rope winding wheel 21 rotates and loosens the rope 19, thereby resetting the lifting spring 11, thereby driving the lifting rod 17 to ascend, thereby lifting the lifting block 23, when the rotating of the poking rod 28 is separated from the rotating rod 26, the compression spring 29 loosens, thereby driving the moving plate 31 to move rightwards, thereby driving the knocking block 34 to move rightwards, the knocking block 34 knocks the wall surface through the through cavity 50, thereby detecting the hollowing, when the poking rod 28 rotates and contacts the rotating rod 26 again, the rotating rod 26 is driven to move backwards, thereby pulling the lock chain 30, thereby driving the moving plate 31 to move leftwards and compressing the compression spring 29, thereby resetting the knocking block 34 to move leftwards, and so on again, in, the knocking block 34 moves left and right to knock the wall surface, so that knocking on the wall surface is completed;
when the voice recognizer 33 detects that the wall surface emits a sound of air blast, the voice recognizer 33 works and controls the first electromagnet 37 to work and repel the limiting block 40, so as to drive the limiting block 40 to move rightwards and stretch the extension spring 35, when the limiting block 40 moves to the lower side of the right rope winding wheel 21, the limiting block 40 is meshed with the right rope winding wheel 21, so as to limit the meshing of the right rope winding wheel 21, so as to limit the ascending and descending block 23 to ascend, when the second electromagnet 39 is opposite to the rack block 41, the second electromagnet 39 works and attracts the rack block 41, so as to drive the rack block 41 to move backwards and stretch the connecting spring 42, so as to drive the left rope winding wheel 21 to rotate, so as to loosen the connecting rope 43, so that the lifting plate 65 descends, so that the clamping block 55, the fixing plate 44 and the stamp 52 descend into the communicating cavity 51, but not enter the moving groove 49, the fixing plate 44 enters the communicating groove 46 and the stamp 52 is positioned in the communicating cavity 50, when the tap block 34 is moved to the right by the rotation of the tap lever 28, the fixing plate 44 and the stamp 52 are moved to the right, so that stamp 52 contacts the wall surface to complete the marking, during which both return spring 47 and extension spring 59 are extended, when knocking block 34 moves leftward, return spring 47 and extension spring 59 return, thereby moving fixing plate 44 and stamp 52 leftward, then the voice recognizer 33 controls the first electromagnet 37 and the second electromagnet 39 to stop working, at this time, the extension spring 35 is reset to drive the limiting block 40 to move leftwards, so that the limiting block 40 can not limit the rotation of the right side rope winding wheel 21 any more, the connecting spring 42 resets to drive the rack block 41 to move backwards, thereby driving the left rope winding wheel 21 to rotate and wind up the connecting rope 43, so that the lifting plate 65 moves upwards and resets, thus, the fixing plate 44 and the stamp 52 move upward and away from the through cavity 50, and the rotary motor 22 continues to work for the whole wall surface hollowing inspection.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic detection equipment that beats of wall hollowing based on speech recognition, includes the base, its characterized in that: the upper end wall of the through cavity is internally provided with a communicating cavity which is provided with a right end wall and a left end wall which are communicated with the supporting plate and is communicated with the moving cavity, the square block is internally provided with a moving groove which is communicated with the right end wall of the through cavity, the upper end wall of the through cavity is internally provided with a communicating cavity which is communicated with the moving cavity and is communicated with the moving cavity by the square block, the right end wall of the through cavity is internally provided with a moving groove which is communicated with the moving groove by the right end wall of the through cavity, the movable groove is internally provided with a containing block with an upward opening and a reset spring which is connected with the containing block and the left end wall of the movable groove in a sliding way, the upper end wall of the movable cavity is internally provided with a lifting cavity with a downward opening, the lifting cavity is internally provided with a lifting plate capable of lifting and a lifting spring which can reset the lifting plate, the lower side of the lifting plate is provided with two clamping blocks and the left side of the clamping block, the upper end of the clamping block is fixedly connected with the lifting plate, the lower side of the lifting plate is also provided with a fixing plate, the lower end of the fixing plate penetrates through the single lifting cavity and the upper end wall of the communicating cavity and is positioned in the communicating cavity, the upper end of the fixing plate is fixedly provided with a limiting groove, the upper end of the limiting groove is positioned between the clamping blocks, the right end and the right side of the fixing block are fixedly connected with the clamping blocks, and the, the improved stamping device is characterized in that a voice recognizer used for performing voice recognition is arranged in the right end wall of the lifting cavity, a limiting mechanism used for controlling the operation of the stamp mechanism is further arranged in the rotating cavity, and the position of the hollowing is distinguished through the knocking of the knocking mechanism and the judgment of the voice recognizer.
2. The wall surface hollowing automatic beating detection device based on the voice recognition is characterized in that: elevating system is including fixing the fixed station of base up end, be equipped with the spacing chamber of upper end wall intercommunication external space in the fixed station, spacing intracavity is equipped with the transmission platform that the upper end is located external space, the left and right sides of transmission platform lower extreme all is fixed with the restriction the transmission platform leaves the stopper in spacing chamber, be equipped with the transmission chamber that the opening is decurrent in the transmission platform, the transmission intracavity be equipped with the upper end be located external space and with elevator fixed connection's lifter, the lifter lower extreme is fixed with two restrictions the lifter leaves the limiting plate in transmission chamber, be equipped with the spring chamber that the opening is decurrent in the lifter, spring chamber upper end wall be fixed with the lower extreme with spacing chamber lower extreme wall fixed connection's lifting spring.
3. The wall surface hollowing automatic beating detection device based on the voice recognition is characterized in that: the knocking mechanism comprises a rotating motor fixed on the left end wall of the rotating cavity, the right end of the rotating motor is in power connection with a rotating shaft, the rotating motor is connected with two rope winding wheels in a sliding mode, a poking rod is further fixed on the rotating motor, two supporting blocks are fixed on the left end wall of the rotating cavity, a fixed shaft is fixedly connected between the two supporting blocks, a right end is connected with a rotating rod in contact with the upper end of the poking rod in a rotating mode on the fixed shaft, a movable plate and a compression spring capable of enabling the movable plate to reset are connected in a sliding mode in the moving cavity, the right end of the rotating rod is fixed with a right end penetrating through the right end wall of the rotating cavity and a chain fixedly connected with the movable plate, and.
4. The wall surface hollowing automatic beating detection device based on the voice recognition is characterized in that: limiting mechanism is including fixing rotate the first electro-magnet of chamber left end wall, it can with the right side to rotate intracavity sliding connection there is the upper end the restriction piece of serving wheel lower extreme meshing, be equipped with opening and upwards just rear end wall intercommunication in the restriction piece rotate the friction groove in chamber, sliding connection has the rack piece and can make in the friction groove the coupling spring that the rack piece resets, it is fixed with the right-hand member with restriction piece fixed connection's expanding spring to rotate chamber left end wall, it can with the rack piece is the second electro-magnet of inhaling mutually that repels to rotate chamber rear end wall internal fixation, rack piece upper end runs through friction groove upper end wall and with the left side the mesh of serving wheel lower extreme.
5. The wall surface hollowing automatic beating detection device based on the voice recognition is characterized in that: the friction force between the rope winding wheel and the rotating shaft is far greater than the elastic force of the lifting spring, the friction force between the rack block and the lower end wall of the friction groove is far greater than the elastic force of the lifting spring, the magnetic force between the second electromagnet and the rack block is far greater than the sum of the friction force between the rack block and the lower end wall of the friction groove and the elastic force of the connecting spring, the elastic force of the compression spring is far greater than the elastic force of the reset spring and the elastic force of the extension spring, and the friction force between the rack block and the lower end wall of the friction groove is far greater than the friction force between the rope winding wheel and the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007071.XA CN110967403A (en) | 2020-01-03 | 2020-01-03 | Wall hollowing automatic beating detection equipment based on speech recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007071.XA CN110967403A (en) | 2020-01-03 | 2020-01-03 | Wall hollowing automatic beating detection equipment based on speech recognition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110967403A true CN110967403A (en) | 2020-04-07 |
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ID=70037989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010007071.XA Withdrawn CN110967403A (en) | 2020-01-03 | 2020-01-03 | Wall hollowing automatic beating detection equipment based on speech recognition |
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| Country | Link |
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| CN (1) | CN110967403A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362739A (en) * | 2020-11-23 | 2021-02-12 | 程志宏 | Wall hollowing detection machine based on information technology |
| CN112908741A (en) * | 2021-03-10 | 2021-06-04 | 杨东英 | Semi-mechanical electronic switch and use method thereof |
-
2020
- 2020-01-03 CN CN202010007071.XA patent/CN110967403A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362739A (en) * | 2020-11-23 | 2021-02-12 | 程志宏 | Wall hollowing detection machine based on information technology |
| CN112362739B (en) * | 2020-11-23 | 2021-05-14 | 四川川金建筑工程有限公司 | Wall hollowing detection machine based on information technology |
| CN112908741A (en) * | 2021-03-10 | 2021-06-04 | 杨东英 | Semi-mechanical electronic switch and use method thereof |
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Application publication date: 20200407 |