CN115183971A - Building engineering quality vibration detection device - Google Patents
Building engineering quality vibration detection device Download PDFInfo
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- CN115183971A CN115183971A CN202210892490.5A CN202210892490A CN115183971A CN 115183971 A CN115183971 A CN 115183971A CN 202210892490 A CN202210892490 A CN 202210892490A CN 115183971 A CN115183971 A CN 115183971A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
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- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of building detection, and discloses a building engineering quality vibration detection device which comprises a top plate, wherein two connecting columns are fixedly connected to the bottom wall of the top plate, motors are fixedly connected to the other ends of the two connecting columns, a first supporting column is fixedly connected to the left side of the bottom wall of the top plate, a second supporting column is fixedly connected to the right side of the bottom wall of the top plate, a first hydraulic mechanism is slidably connected to the bottom end of the first supporting column, a first bottom plate is fixedly connected to the bottom end of the first hydraulic mechanism, and a second hydraulic mechanism is slidably connected to the bottom end of the second supporting column. The invention realizes the detection of the inclination degree of the left and right bottom plates by the matching arrangement of the piezoelectric block and the hydraulic rod, and simultaneously solves the problem of detection error caused by the inclination of the detection base surface in the vibration detection process of the prior art by the effect of automatically adjusting the amplitudes of the two sides according to the different inclination degrees of the base surface by the matching arrangement of the first permanent magnet, the second permanent magnet and the second spring.
Description
Technical Field
The invention relates to the technical field of building detection, in particular to a building engineering quality vibration detection device.
Background
Along with the development of social economy, various construction projects are more and more, vibration caused by engineering construction is inevitable, other vibration interference sources are also generated successively, influences and even hazards to different degrees can be generated on buildings and the surrounding environment, quantitative analysis can be conducted on the vibration sources through an engineering vibration detection method, and then construction parameters are improved, and technical basis and important data are provided for shock absorption and shock resistance measures.
The prior vibration detection device for the quality of the constructional engineering has the following technical defects in use: firstly, when a base surface to be detected is an inclined surface or has a certain inclination angle, a detection result when resonance generated by a vibration motor acts on the base surface is not consistent with an actual detection result, and the detection result has an error and cannot reflect actual detection data; secondly, when vibrating motor acted on the inclined plane, vibrating motor's eccentric wheel slope was rotated for the eccentric wheel receives the side direction centrifugal force great, leads to the eccentric wheel to rotate the in-process loss great, and life reduces greatly, needs to improve urgently.
Disclosure of Invention
Aiming at the defects of the existing vibration detection device in the use process in the background technology, the invention provides the vibration detection device for the quality of the building engineering, which has the advantages of accurate detection result of an inclined base surface and effective protection of an eccentric wheel during inclination detection, and solves the technical problems in the background technology.
The invention provides the following technical scheme: a constructional engineering quality vibration detection device comprises a top plate, wherein two connecting columns are fixedly connected to the bottom wall of the top plate, motors are fixedly connected to the other ends of the two connecting columns, a first supporting column is fixedly connected to the left side of the bottom wall of the top plate, a second supporting column is fixedly connected to the right side of the bottom wall of the top plate, a first hydraulic mechanism is slidably connected to the bottom end of the first supporting column, a first bottom plate is fixedly connected to the bottom end of the first hydraulic mechanism, a second hydraulic mechanism is slidably connected to the bottom end of the second supporting column, and a second bottom plate is fixedly connected to the bottom end of the second hydraulic mechanism;
the equal fixedly connected with output shaft of the left and right sides of motor, the sleeve has all been cup jointed to the left and right sides end of output shaft, the telescopic left side wall in left side rotates and is connected with first eccentric wheel, the telescopic right side wall in right side rotates and is connected with the second eccentric wheel, the three vibrating spring of diapire fixedly connected with of motor, it is three vibrating spring's diapire fixedly connected with pick-up plate, the inside of first bottom plate and second bottom plate all is equipped with slope detection mechanism, two telescopic inside all is equipped with amplitude adjustment mechanism.
Preferably, the amplitude adjusting mechanism comprises a first electromagnet fixedly connected to the side wall of the sleeve and close to one side of the first eccentric wheel, the left side wall and the right side wall of the first electromagnet are both fixedly connected with a second spring, the left side wall of the first eccentric wheel is fixedly connected with a first permanent magnet, the right side wall of the first eccentric wheel is fixedly connected with a second permanent magnet, and the first electromagnet and the second permanent magnet are both fixedly connected to the second spring;
the amplitude regulating mechanism also comprises a permanent magnet sleeve fixedly connected with the outer side wall of the output shaft,
the telescopic inside wall sliding connection has the connecting rod, the one end of connecting rod and the one side fixedly connected with second electro-magnet that is close to the permanent magnet cover, the outside fixedly connected with third spring of second electro-magnet, the other end fixed connection of third spring is on telescopic inner wall.
Preferably, the first hydraulic mechanism comprises a hydraulic rod connected to the bottom wall of the first support column in a sliding manner, the outer side of the hydraulic rod is fixedly connected with a first spring on the bottom wall of the first support column, and the second hydraulic mechanism is identical to the first hydraulic mechanism in structure.
Preferably, the inclination detection mechanism includes a first through hole formed in the first base plate, a piezoelectric block is fixedly connected to the inside of the first through hole, and a tail end of the first spring is fixedly connected to the piezoelectric block.
Preferably, the connecting rods are arranged at equal intervals along the inner wall of the sleeve, and the length value of each connecting rod is two thirds of the wall thickness value of the sleeve.
Preferably, the through holes are arranged at equal intervals along the circumferential direction of the hydraulic rod.
Preferably, the first electromagnet has the same magnetism as the first permanent magnet, and the first permanent magnet has different magnetism from the second permanent magnet.
Preferably, the inner wall of the sleeve is provided with a second through hole, and the diameter value of the second through hole is larger than that of the connecting rod.
Preferably, the number value of the second through hole is consistent with that of the connecting rod.
The invention has the following beneficial effects:
1. the invention realizes the detection of the inclination degree of the left and right bottom plates through the matching arrangement among the piezoelectric block, the first through hole and the hydraulic rod, and simultaneously solves the problem of detection errors caused by the inclination of the detection base surface in the vibration detection process in the prior art through the effect of automatically adjusting the amplitudes of the two sides according to the different inclination degrees of the base surface through the matching arrangement among the first electromagnet, the first permanent magnet, the second permanent magnet and the second spring.
2. The invention further controls the opening of the first electromagnet to realize the adjustment of the deflection angle of the first eccentric wheel through the piezoelectric current generated during the detection of the piezoelectric blocks on the two sides, realizes the adjustment of the vibration amplitude through the contact ratio of the openings of the blades of the eccentric wheels on the two sides, and further achieves the effect of automatically adjusting the amplitude according to the inclination degree of the base surface to be detected.
3. According to the invention, the eccentric wheels at two sides are driven to rotate by the rotation of the output shaft of the motor, meanwhile, the second electromagnet after the opening contact ratio of the blades is adjusted is switched on, and meanwhile, the effective protection of the rotating shaft of the eccentric wheel is realized by the matching arrangement of the third spring, the connecting rod, the second electromagnet and the permanent magnet sleeve, so that the service life of the eccentric wheel is obviously prolonged.
4. The invention realizes the most accurate vibration detection result according to the inclination of different detection base planes by the matching arrangement of the inclination detection mechanism and the amplitude adjusting mechanism, and the inclination detection mechanism and the amplitude adjusting mechanism are matched with each other, thereby obviously improving the accuracy of the detection result and having very good application prospect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic perspective view of an amplitude adjustment mechanism according to the present invention;
FIG. 4 is a schematic view of the internal structure of the sleeve of the present invention;
FIG. 5 is a schematic view of a positional relationship structure of the connecting rod of the present invention;
FIG. 6 is a schematic structural diagram of a second through hole position relationship according to the present invention.
In the figure: 1. a top plate; 2. connecting columns; 3. a first support column; 31. a hydraulic rod; 32. a first spring; 4. a second support column; 5. a first base plate; 51. a first through hole; 52. a piezoelectric block; 6. a second base plate; 7. a first eccentric wheel; 8. a second eccentric wheel; 9. a motor; 90. a connecting rod; 91. an output shaft; 92. a sleeve; 921. a second through hole; 93. a second spring; 94. a first permanent magnet; 95. a second permanent magnet; 96. a first electromagnet; 97. a permanent magnet sleeve; 98. a third spring; 99. a second electromagnet; 10. a vibration spring; 11. and (6) detecting the board.
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.
Referring to fig. 1-6, a building engineering quality vibration detection device comprises a top plate 1, wherein the bottom wall of the top plate 1 is fixedly connected with two connecting columns 2, the other ends of the two connecting columns 2 are fixedly connected with a motor 9, the left side of the bottom wall of the top plate 1 is fixedly connected with a first supporting column 3, the right side of the bottom wall of the top plate 1 is fixedly connected with a second supporting column 4, the bottom end of the first supporting column 3 is slidably connected with a first hydraulic mechanism, the bottom end of the first hydraulic mechanism is fixedly connected with a first bottom plate 5, the bottom end of the second supporting column 4 is slidably connected with a second hydraulic mechanism, and the bottom end of the second hydraulic mechanism is fixedly connected with a second bottom plate 6;
the equal fixedly connected with output shaft 91 in the left and right sides of motor 9, sleeve 92 has all been cup jointed to the left and right sides end of output shaft 91, the left side wall of left side sleeve 92 rotates and is connected with first eccentric wheel 7, the right side wall of right side sleeve 92 rotates and is connected with second eccentric wheel 8, the three vibrating spring 10 of diapire fixedly connected with of motor 9, the diapire fixedly connected with pick-up plate 11 of three vibrating spring 10, first bottom plate 5 all is equipped with slope detection mechanism with the inside of second bottom plate 6, the inside of two sleeves 92 all is equipped with amplitude adjustment mechanism.
The amplitude adjusting mechanism comprises a first electromagnet 96 fixedly connected to the side wall of the sleeve 92 and close to one side of the first eccentric wheel 7, the left side wall and the right side wall of the first electromagnet 96 are both fixedly connected with a second spring 93, the left side wall of the first eccentric wheel 7 is fixedly connected with a first permanent magnet 94, the right side wall of the first eccentric wheel 7 is fixedly connected with a second permanent magnet 95, and the first electromagnet 96 and the second permanent magnet 95 are both fixedly connected to the second spring 93; the hydraulic lifting mechanism moves downwards to drive the first spring 32 to stretch and further extrude the piezoelectric block 52, the first spring 32 moves downwards to act on the piezoelectric block 52 to generate piezoelectric current, the magnitude of the piezoelectric current on the left side and the magnitude of the piezoelectric current on the right side are recorded at the moment to realize measurement of the inclination of a base plane to be detected, when the piezoelectric current on the left side is larger than the piezoelectric current on the right side, the horizontal height of the first bottom plate 5 on the left side is smaller than the horizontal height of the second bottom plate 6 on the right side at the moment, the first electromagnet 96 on the inner side of the first eccentric wheel 7 on the left side is controlled to be opened at the moment, the generated magnetic force is matched with the first permanent magnet 94 and the second permanent magnet 95 on the left side and the right side to pull the second spring 93, the adjustment of the deflection angle of the first eccentric wheel 7 is further achieved, the detection of the inclination degree of the bottom plates on the left side and the right side is realized through the matching arrangement among the piezoelectric block 52, the first through hole 51 and the hydraulic rod 31, and the matching arrangement among the first permanent magnet 94, the second permanent magnet 95 and the second spring 93, and the effect of automatically adjusting the amplitude of two sides according to the difference of the inclination degree of the base plane is achieved, and the problem of detection error caused by the detection error of the base plane inclination degree in the vibration detection process of the existing technology is solved.
The amplitude adjusting mechanism further comprises a permanent magnet sleeve 97 fixedly connected to the outer side wall of the output shaft 91,
the inner side wall of the sleeve 92 is connected with a connecting rod 90 in a sliding manner, one end of the connecting rod 90, close to one side of the permanent magnet sleeve 97, is fixedly connected with a second electromagnet 99, the outer side of the second electromagnet 99 is fixedly connected with a third spring 98, and the other end of the third spring 98 is fixedly connected to the inner wall of the sleeve 92. The motor 9 and the second electromagnet 99 are started, the generated magnetic force is adsorbed by the permanent magnetic sleeve 97 sleeved on the side wall of the output shaft 91, and then the third spring 98 is stretched, so that the connecting rod 90 is connected with the output shaft 91 and the sleeve 92, the current of the first electromagnet 96 and the piezoelectric current generated by the hydraulic mechanism are kept synchronous, the output shaft 91 and the sleeve 92 synchronously rotate, the rotation of the motor 9 drives the output shafts 91 on two sides to synchronously rotate, and at the moment, the opening overlap ratio of the two adjusted eccentric wheels and the output shaft 91 synchronously rotate according to the adjusted opening overlap ratio. In the rotation process, the adjustment of the opening overlap ratio of the first eccentric wheel 7 and the second eccentric wheel 8 is realized according to the inclination degree of the base surface, so that the effective protection of the output shaft 91 is realized, the loss of the eccentric wheels is reduced, and the service life of the eccentric wheels is prolonged.
The first hydraulic mechanism comprises a hydraulic rod 31 which is connected to the bottom wall of the first support column 3 in a sliding manner, the outer side of the hydraulic rod 31 is fixedly connected with a first spring 32 which is located on the bottom wall of the first support column 3, and the second hydraulic mechanism is identical to the first hydraulic mechanism in structure. Firstly, the bottom walls of the first bottom plate 5 and the second bottom plate 6 are placed on a base surface to be detected, then the hydraulic lifting mechanism is started to enable the hydraulic rod 31 to move downwards along the first supporting column 3 and the second supporting column 4, and further the top plate 1 moves downwards until the bottom wall of the detection plate 11 is contacted with the base surface to be detected.
The inclination detection mechanism includes a first through hole 51 opened in the first base plate 5, a piezoelectric block 52 is fixedly connected to the inside of the first through hole 51, and the end of the first spring 32 is fixedly connected to the piezoelectric block 52. The piezoelectric current generated by the piezoelectric blocks 52 on the two sides during detection is used for controlling the first electromagnet 96 to be opened so as to adjust the deflection angle of the first eccentric wheel 7, and the adjustment on the vibration amplitude is realized through the opening contact degree of the blades of the eccentric wheels on the two sides, so that the effect of automatically adjusting the amplitude according to the inclination degree of the base surface to be detected is achieved.
The tie rods 90 are equally spaced along the inner wall of the sleeve 92, the tie rods 90 having a length that is two-thirds the value of the wall thickness of the sleeve 92. The connecting rod 90 is ensured to slide along the inside of the second through hole 921 and drive the eccentric wheel to rotate.
The first through holes 51 are provided at equal intervals in the circumferential direction of the hydraulic rod 31. So that the pressure sharing makes the piezoelectric current constant.
The first electromagnet 96 has the same magnetism as the first permanent magnet 94, and the first permanent magnet 94 has different magnetism from the second permanent magnet 95. So that the first eccentric 7 is deflected.
The inner wall of the sleeve 92 is provided with a second through hole 921, and the diameter value of the second through hole 921 is larger than that of the connecting rod 90. Ensuring that the linkage 90 can slide along the interior of the second through hole 921.
The number of the second through holes 921 is identical to that of the link rods 90. So that the electromagnetic attraction force causes the connecting rod 90 to drive the first eccentric wheel 7 to rotate.
The use method (working principle) of the invention is as follows:
firstly, placing the bottom walls of the first bottom plate 5 and the second bottom plate 6 on a base surface to be detected, then starting the hydraulic lifting mechanism to enable the hydraulic rod 31 to move downwards along the first supporting column 3 and the second supporting column 4, and further realizing the downward movement of the top plate 1 until the bottom wall of the detection plate 11 is contacted with the base surface to be detected; at the moment, the downward movement of the hydraulic lifting mechanism drives the first spring 32 to stretch and retract so as to extrude the piezoelectric block 52, the downward movement of the first spring 32 acts on the piezoelectric block 52 to generate piezoelectric current, the measurement of the gradient of a base plane to be measured is realized by recording the magnitude of the piezoelectric current on the left side and the magnitude of the piezoelectric current on the right side, when the piezoelectric current on the left side is greater than the piezoelectric current on the right side, the horizontal height of the first bottom plate 5 on the left side is smaller than the horizontal height of the second bottom plate 6 on the right side, the first electromagnet 96 on the inner side of the first eccentric wheel 7 on the left side is controlled to be turned on, the generated magnetic force is matched with the first permanent magnet 94 and the second permanent magnet 95 on the left side and the right side to pull the second spring 93, the adjustment of the deflection angle of the first eccentric wheel 7 is further achieved, and the current magnitude of the first electromagnet 96 and the magnitude of the piezoelectric current generated by the hydraulic mechanism are kept synchronous at the position; similarly, when the piezoelectric current on the right side and the left side is smaller than the piezoelectric current on the right side, the synchronous adjustment is realized, the adjustment of the opening contact ratio of the two eccentric wheels can be realized according to the change of the inclination angle, and the amplitude is controlled by the opening contact ratio of the eccentric wheels on the two sides, so that the effect of adjusting the inclination of the two sides in time according to the inclined base surface is achieved.
Then, the motor 9 and the second electromagnet 99 are turned on, the generated magnetic force is absorbed by the permanent magnetic sleeve 97 sleeved on the side wall of the output shaft 91, and the third spring 98 is further stretched, so that the connecting rod 90 is connected with the output shaft 91 and the sleeve 92, the output shaft 91 and the sleeve 92 rotate synchronously, the rotation of the motor 9 drives the output shafts 91 on the two sides to rotate synchronously, and at the moment, the two adjusted eccentric wheels rotate synchronously with the output shaft 91 according to the adjusted opening overlap ratio. In the rotation process, the adjustment of the opening overlap ratio of the first eccentric wheel 7 and the second eccentric wheel 8 is realized according to the inclination degree of the base surface, so that the effective protection of the output shaft 91 is realized, the loss of the eccentric wheels is reduced, and the service life of the eccentric wheels is prolonged.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A building engineering quality vibration detection device, includes roof (1), its characterized in that: the bottom wall of the top plate (1) is fixedly connected with two connecting columns (2), the other ends of the two connecting columns (2) are fixedly connected with a motor (9), the left side of the bottom wall of the top plate (1) is fixedly connected with a first supporting column (3), the right side of the bottom wall of the top plate (1) is fixedly connected with a second supporting column (4), the bottom end of the first supporting column (3) is slidably connected with a first hydraulic mechanism, the bottom end of the first hydraulic mechanism is fixedly connected with a first bottom plate (5), the bottom end of the second supporting column (4) is slidably connected with a second hydraulic mechanism, and the bottom end of the second hydraulic mechanism is fixedly connected with a second bottom plate (6);
the equal fixedly connected with output shaft (91) of the left and right sides of motor (9), sleeve (92) have all been cup jointed to the left and right sides end of output shaft (91), the left side wall of left side sleeve (92) rotates and is connected with first eccentric wheel (7), the right side wall of right side sleeve (92) rotates and is connected with second eccentric wheel (8), the three vibrating spring (10) of diapire fixedly connected with of motor (9), three the diapire fixedly connected with pick-up plate (11) of vibrating spring (10), first bottom plate (5) all are equipped with slope detection mechanism with the inside of second bottom plate (6), two the inside of sleeve (92) all is equipped with amplitude adjustment mechanism.
2. A construction quality vibration testing apparatus according to claim 1, wherein: the amplitude adjusting mechanism comprises a first electromagnet (96) which is fixedly connected to the side wall of the sleeve (92) and is close to one side of the first eccentric wheel (7), the left side wall and the right side wall of the first electromagnet (96) are both fixedly connected with a second spring (93), the left side wall of the first eccentric wheel (7) is fixedly connected with a first permanent magnet (94), the right side wall of the first eccentric wheel (7) is fixedly connected with a second permanent magnet (95), and the first electromagnet (94) and the second permanent magnet (95) are both fixedly connected to the second spring (93);
amplitude adjustment mechanism still includes permanent magnetism cover (97) of fixed connection at output shaft (91) lateral wall, the inside wall sliding connection of sleeve (92) has connecting rod (90), one side fixedly connected with second electro-magnet (99) of one side that just is close to permanent magnetism cover (97) of connecting rod (90), the outside fixedly connected with third spring (98) of second electro-magnet (99), the other end fixed connection of third spring (98) is on the inner wall of sleeve (92).
3. A construction quality vibration testing apparatus according to claim 1, wherein: first hydraulic pressure mechanism includes hydraulic stem (31) of sliding connection at first support column (3) diapire, the outside of hydraulic stem (31) and the diapire fixedly connected with first spring (32) that are located first support column (3), second hydraulic pressure mechanism is the same with first hydraulic pressure mechanism structure.
4. The construction quality vibration testing apparatus according to claim 1, wherein: the inclination detection mechanism comprises a first through hole (51) formed in the first base plate (5), a piezoelectric block (52) is fixedly connected to the inside of the first through hole (51), and the tail end of the first spring (32) is fixedly connected to the piezoelectric block (52).
5. A construction quality vibration testing apparatus according to claim 2, wherein: the connecting rods (90) are arranged at equal intervals along the inner wall of the sleeve (92), and the length value of the connecting rods (90) is two thirds of the wall thickness value of the sleeve (92).
6. The construction quality vibration detecting apparatus according to claim 4, wherein: the first through holes (51) are arranged at equal intervals along the circumferential direction of the hydraulic rod (31).
7. A construction quality vibration testing apparatus according to claim 2, wherein: the magnetism of the first electromagnet (96) is the same as that of the first permanent magnet (94), and the magnetism of the first permanent magnet (94) is different from that of the second permanent magnet (95).
8. A construction quality vibration testing apparatus according to claim 1, wherein: the inner wall of the sleeve (92) is provided with a second through hole (921), and the diameter value of the second through hole (921) is larger than that of the connecting rod (90).
9. A construction quality vibration testing apparatus according to claim 8, wherein: the number value of the second through hole (921) is consistent with that of the connecting rod (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210892490.5A CN115183971A (en) | 2022-07-27 | 2022-07-27 | Building engineering quality vibration detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210892490.5A CN115183971A (en) | 2022-07-27 | 2022-07-27 | Building engineering quality vibration detection device |
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| CN115183971A true CN115183971A (en) | 2022-10-14 |
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| CN202210892490.5A Pending CN115183971A (en) | 2022-07-27 | 2022-07-27 | Building engineering quality vibration detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907436A (en) * | 2023-09-12 | 2023-10-20 | 沈阳华钛实业有限公司 | Aeroengine blade detection device and detection method thereof |
| CN117168601A (en) * | 2023-11-03 | 2023-12-05 | 山东科技大学 | Mechanical vibration measuring device |
-
2022
- 2022-07-27 CN CN202210892490.5A patent/CN115183971A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907436A (en) * | 2023-09-12 | 2023-10-20 | 沈阳华钛实业有限公司 | Aeroengine blade detection device and detection method thereof |
| CN116907436B (en) * | 2023-09-12 | 2023-11-14 | 沈阳华钛实业有限公司 | Aeroengine blade detection device and detection method thereof |
| CN117168601A (en) * | 2023-11-03 | 2023-12-05 | 山东科技大学 | Mechanical vibration measuring device |
| CN117168601B (en) * | 2023-11-03 | 2024-03-19 | 山东科技大学 | Mechanical vibration measuring device |
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