CN115112764B - Wall hollowing detection device based on building engineering quality detection - Google Patents
Wall hollowing detection device based on building engineering quality detection Download PDFInfo
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- 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
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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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
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- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
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Abstract
The invention discloses a wall hollowing detection device based on building engineering quality detection, which relates to the technical field of building engineering and comprises a detection frame, wherein one end of the detection frame is provided with an inlet and outlet hole, a detection hammer head is inserted into the inlet and outlet hole, the detection hammer head is of a hollow structure, a detection assembly is arranged in the detection hammer head, and a pickup assembly for detecting wall hollowing is arranged between one end of the detection hammer head and the inner wall of the other end of the detection frame. The first cymbal and the second cymbal collide to generate powerful sound, the sound is picked up through the sound pickup, the picked sound data and the stored data are compared through the data comparator in the control box, and therefore whether the wall is empty or not is judged, the sound pickup position is conducted under the sealed ring shape, sound interference in the external environment is avoided, and empty drum detection is conducted on different heights and different horizontal positions of the wall in the building engineering conveniently.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a wall hollowing detection device based on constructional engineering quality detection.
Background
The building engineering is an engineering entity which performs various technical works and completions such as planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or extending building buildings and affiliated structures and installation engineering of lines, pipelines and equipment matched with the engineering entity. Also refers to the construction of various houses and buildings, also known as the construction workload. The investment amount of the part can be realized only by the construction activities with the need of carrying out the work and the material movement.
The wall body of the building engineering needs to be subjected to quality detection treatment during acceptance, and a hollowing phenomenon can be generated during detection, namely, the hollowing is caused by the air existing in the original masonry and the powder ash layer. The hollowing in the quality of a house generally refers to the hollowing phenomenon caused by the fact that the pasting and combination between a decoration layer (plastering or face brick pasting) and a structural layer (concrete or brick wall) of the floor, the wall surface and the ceiling of the house are not firm, and is commonly called as 'two layers of skins'.
Through retrieval, patent No. CN108445078A discloses a building outer wall hollowing detection device and method. The building outer wall hollowing detection device comprises an ejection mechanism for ejecting light pellets, a magazine for storing the light pellets, a holder and a sound pickup for listening the sound emitted by the light pellets ejected by the ejection mechanism to the building outer wall. The ejection mechanism emits the light small balls, and the sound pickup listens the sound emitted by the light small balls impacting the outer wall of the building, so that whether the outer wall of the building is empty or not can be judged according to the heard sound, and the detection is convenient. The above patents suffer from the following disadvantages: because the pickup part is not arranged and is carried out under the sealing ring, the pickup is very easily interfered and influenced by the external environment during working, and therefore, a wall hollowing detection device based on the quality detection of the constructional engineering is urgently needed to solve the problems.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a wall hollowing detection device based on building engineering quality detection, which utilizes a honeycomb sound absorption coil to absorb external noise in the hammering process of a detection hammer head when the detection hammer head hammers a wall surface and picks up impact sound through a sound pick-up, so as to prevent the external noise from influencing the hollowing detection effect, and utilizes a first sound transmission pipe, a corrugated pipe made of sound insulation materials and a second sound transmission pipe to enable the sound of the impact of the first cymbal and the second cymbal to be fully transmitted to the sound pick-up when picking up the sound, so that the sound pick-up part is carried out in a sealed ring shape, and the sound interference in the external environment is avoided, thereby overcoming the technical problems in the prior art.
The technical scheme of the invention is realized as follows:
a wall hollowing detection device based on building engineering quality detection comprises a detection frame, wherein one end of the detection frame is provided with an inlet and outlet hole, a detection hammer head is inserted into the inlet and outlet hole, the detection hammer head is of a hollow structure, a detection assembly is arranged inside the detection hammer head, a pickup assembly for detecting wall hollowing is arranged between one end of the detection hammer head and the inner wall of the other end of the detection frame, a mounting plate is fixed at one end of the circumference of the detection hammer head, and a reciprocating propulsion mechanism for adjusting the position of the detection hammer head is arranged between one side of the mounting plate and the inner wall of the detection frame;
the bottom of the detection frame is provided with a lifting mechanism for adjusting the height of the detection frame; and a horizontal moving mechanism is arranged at the bottom of the lifting mechanism and used for adjusting the horizontal position of the detection frame.
Furthermore, the detection assembly comprises a first cymbal attached to the inner wall of one end of the detection hammer head, fixing cylinders are fixed to the inner wall of the other end of the detection hammer head, the fixing cylinders are distributed annularly at equal intervals, telescopic rods are fixed to the outer circumferential wall of the first cymbal and inserted into the fixing cylinders at equal intervals, limiting rings are fixed to the outer circumferential wall of each telescopic rod, a second spring is fixed between one side of each limiting ring and one end of each fixing cylinder, L-shaped mounting rods are fixed to one side of the inner circumferential wall of the detection hammer head, the L-shaped mounting rods are distributed at equal intervals, one end of each L-shaped mounting rod is fixed to the same second cymbal, the position of each second cymbal corresponds to that of each first cymbal, the pickup assembly comprises a first sound transmission pipe fixed to one end of the detection hammer head, a mounting column is fixed to the inner wall of the other end of the detection frame, one end of each mounting column is connected with a pickup through a bolt, a second sound transmission pipe is fixedly mounted to the pickup head, a corrugated pipe is connected between one end of the second sound transmission pipe and one end of the first sound transmission pipe through a flange, and the corrugated pipe is made of sound insulation material.
Furthermore, the one end in business turn over hole is fixed with the cover and establishes the retainer plate outside detecting the tup, and the circumference outer wall of retainer plate bonds and has the honeycomb to inhale the voice coil loudspeaker voice coil, and the honeycomb is inhaled the circumference outer wall of voice coil loudspeaker voice coil and is seted up the honeycomb holes of multiseriate equidistance distribution, and honeycomb holes do not run through the honeycomb and inhale the voice coil loudspeaker voice coil.
Further, reciprocating propulsion mechanism includes and connects the drive shaft in detection frame inner wall one side top and bottom through the bearing, and the equal fixed mounting of outer wall intermediate position of drive shaft has the eccentric wheel of laminating in mounting panel one side, one side outer wall of detection frame has the rotating electrical machines who is used for driving the drive shaft rotation through bolted connection, two the other end of drive shaft all is fixed with the transmission shaft, and the equal fixed mounting of outer wall of transmission shaft has the drive wheel, and the outer wall transmission of drive wheel is connected with the drive belt.
Furthermore, a first spring sleeved on the outer wall of the corrugated pipe and the outer wall of the mounting column is fixed between the other side of the mounting plate and the inner wall of one end of the detection frame, guide grooves are formed in two sides of the detection frame, and guide blocks inserted into the inner walls of the guide grooves are fixed on two sides of the mounting plate.
Further, elevating system is including setting up the locating frame in detecting the frame bottom, and the both sides of locating frame have all seted up perpendicular groove, and the inner wall in perpendicular groove all pegs graft with the inner wall of locating frame and have installed the crane in detecting the frame bottom, the mounting hole has been seted up to the bottom intermediate position of crane, and there is the pneumatic cylinder inner wall of mounting hole and the bottom inner wall of locating frame through bolted connection.
Further, the horizontal movement mechanism comprises an I-shaped movement seat which is connected with the bottom of the positioning frame through a bolt, a movement chassis is arranged outside the I-shaped movement seat, four corners of the I-shaped movement seat are connected with guide wheels which are attached to two sides of the inner wall of the movement chassis through pin shafts, the middle position of the inner wall of one end of the movement chassis is connected with a lead screw through a bearing, the outer wall of the other end of the movement chassis is connected with a forward and reverse rotation motor which is used for driving the lead screw to rotate through a bolt, and a threaded hole which is matched with the outer wall of the lead screw is formed in the middle position of the I-shaped movement seat.
Further, the bottom four corners of the movable chassis are fixedly provided with universal wheels, and the outer wall of one side of the movable chassis, the other end of the detection hammer head, one end of the fixing ring and one end of the honeycomb-shaped voice coil absorption ring are located on the same vertical plane.
Further, the one end outer wall of detecting the frame has the control box through bolted connection, and electric connection between control box and positive and negative motor, rotating electrical machines and the adapter.
Further, one side outer wall both ends that remove the chassis all are fixed with U type frame, and the inside of U type frame is pegged graft and is had Z type locating rack, and the antiskid groove that the equidistance distributes is seted up to the bottom of Z type locating rack, the bottom inner wall of U type frame all is connected with the threaded rod through the bearing, and the top of threaded rod all is fixed with changes the handle, and the thread groove with threaded rod looks adaptation is all seted up to the top both sides of Z type locating rack.
The invention has the beneficial effects that:
according to the wall hollowing detection device based on the building engineering quality detection, the movable bottom frame, the honeycomb-shaped voice absorption coil and the detection hammer head in the whole device are in contact with the wall surface through the arranged detection frame, the detection hammer head, the detection assembly, the pickup assembly and the reciprocating pushing mechanism, when the wall hollowing of the building engineering is detected, the driving shaft and the eccentric wheel are driven to rotate through the rotating motor in the reciprocating pushing mechanism, the positions of the mounting plate and the detection hammer head are adjusted through the eccentric wheel, the first spring is made to have reciprocating phenomena of contraction and reset, the detection hammer head is made to hammer the wall surface, the hammer head is subjected to a strong impact effect at the moment of hammering, the first cymbal and the second cymbal collide to generate a strong sound, the sound of the collision can be picked up through the pickup, the pickup is more convenient, and the picked-up sound data and the stored data are compared through the data comparator in the control box to judge whether the wall hollowing phenomenon occurs or not.
According to the wall hollowing detection device based on the quality detection of the constructional engineering, the detection hammer head, the fixed ring, the honeycomb sound absorption coil, the first sound transmission pipe, the second sound transmission pipe, the corrugated pipe and the sound pickup are arranged, when the wall surface is hammered through the detection hammer head and impact sound is picked up through the sound pickup, external noise absorption processing is carried out on the hammering process of the detection hammer head through the honeycomb sound absorption coil, the influence of the external noise on the hollowing detection effect is prevented, and when sound is picked up, sound of impact of a first cymbal and a second cymbal can be fully transmitted to the sound pickup through the first sound transmission pipe, the corrugated pipe made of sound insulation materials and the second sound transmission pipe, so that the sound pickup part is carried out in a sealed ring shape, and sound interference in the external environment is avoided.
According to the wall body hollowing detection device based on the building engineering quality detection, through the arranged detection frame, the detection hammer head, the lifting mechanism and the horizontal moving mechanism, during detection, the position of the lifting frame in the positioning frame and the position of the lifting frame in the vertical groove can be adjusted through a hydraulic cylinder in the lifting mechanism, the height of the detection frame and the height of the detection hammer head are adjusted, hollowing detection processing can be conveniently carried out on different heights of a wall body in the building engineering, a screw rod can be driven to rotate through a forward and reverse rotating motor in the horizontal moving mechanism, the I-shaped moving seat and the guide wheel are adjusted to move in the moving underframe, the horizontal positions of the positioning frame, the detection frame and the detection hammer head are adjusted, and hollowing detection processing can be conveniently carried out on different horizontal positions of the wall body in the building engineering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a wall hollowing detection device based on building engineering quality detection.
Fig. 2 is a structural schematic diagram of a detection hammer and a hydraulic cylinder of the wall hollowing detection device based on the quality detection of the constructional engineering.
Fig. 3 is a schematic diagram of the structure of an inlet, an outlet and a transmission belt of the wall hollowing detection device based on the quality detection of the constructional engineering.
Fig. 4 is a cross-sectional view of a detection frame of a wall hollowing detection device based on building engineering quality detection.
Fig. 5 is a schematic structural diagram of a bellows and a sound pick-up of the wall hollowing detection device based on the quality detection of the constructional engineering.
FIG. 6 is a cross-sectional view of a detection hammer of the wall hollowing detection device based on the quality detection of the constructional engineering.
Fig. 7 is a schematic structural diagram of a first cymbal and a second cymbal of a wall empty drum detection device based on building engineering quality detection.
Fig. 8 is a structural schematic diagram of a guide wheel and an i-shaped movable seat of a wall hollowing detection device based on building engineering quality detection.
Fig. 9 is an enlarged structural schematic diagram of a wall hollowing detection device based on building engineering quality detection, shown at a position a in fig. 1.
In the figure:
1. moving the chassis; 2. a positive and negative rotation motor; 3. a lead screw; 4. an I-shaped movable seat; 5. a positioning frame; 6. a lifting frame; 7. detecting a frame; 8. a control box; 9. a Z-shaped positioning frame; 10. a guide groove; 11. a first spring; 12. a rotating electric machine; 13. mounting a plate; 14. an eccentric wheel; 15. a honeycomb-shaped voice coil absorption ring; 16. a stationary ring; 17. detecting the hammer head; 18. a vertical slot; 19. a hydraulic cylinder; 20. an inlet and outlet hole; 21. a transmission belt; 22. a bellows; 23. a sound pickup; 24. mounting a column; 25. a first sound transmission pipe; 26. a second sound tube; 27. a first cymbal; 28. a second cymbal; 29. a telescopic rod; 30. a fixed cylinder; 31. a second spring; 32. a limiting ring; 33. an L-shaped mounting bar; 34. a guide wheel; 35. a universal wheel; 36. an anti-slip groove; 37. a threaded rod; 38. a U-shaped frame; 39. and (7) turning a handle.
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 from the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The first embodiment is as follows:
in accordance with an embodiment of the present invention,
referring to fig. 1-8, a wall hollowing detection device based on building engineering quality detection comprises a detection frame 7, wherein one end of the detection frame 7 is provided with an inlet and outlet hole 20, a detection hammer 17 is inserted into the inlet and outlet hole 20, the detection hammer 17 is of a hollow structure, a detection assembly is arranged inside the detection hammer 17, a pickup assembly for detecting wall hollowing is arranged between one end of the detection hammer 17 and the inner wall of the other end of the detection frame 7, a mounting plate 13 is fixed at one circumferential end of the detection hammer 17, and a reciprocating propulsion mechanism for adjusting the position of the detection hammer 17 is arranged between one side of the mounting plate 13 and the inner wall of the detection frame 7;
the bottom of the detection frame 7 is provided with a lifting mechanism for adjusting the height of the detection frame 7; the bottom of the lifting mechanism is provided with a horizontal moving mechanism for adjusting the horizontal position of the detection frame 7.
Specifically, the detection assembly comprises a first cymbal 27 attached to the inner wall of one end of the detection hammer head 17, fixed cylinders 30 which are equidistantly distributed in a ring shape are fixed on the inner wall of the other end of the detection hammer head 17, telescopic rods 29 which are equidistantly inserted into the fixed cylinders 30 are fixed on the outer circumferential wall of the first cymbal 27, limiting rings 32 are fixed on the outer circumferential wall of each telescopic rod 29, second springs 31 are fixed between one sides of the limiting rings 32 and one ends of the fixed cylinders 30, L-shaped mounting rods 33 which are equidistantly distributed are fixed on one side of the inner circumferential wall of the detection hammer head 17, one end of each L-shaped mounting rod 33 is fixed with the same second cymbal 28, and the positions of the second cymbal 28 correspond to the positions of the first cymbal 27, the sound pickup assembly comprises a first sound transmission pipe 25 fixed at one end of the detection hammer 17, a mounting column 24 is fixed on the inner wall of the other end of the detection frame 7, a sound pickup 23 is connected at one end of the mounting column 24 through a bolt, a second sound transmission pipe 26 is fixedly mounted at the sound pickup end of the sound pickup 23, a corrugated pipe 22 is connected between one end of the second sound transmission pipe 26 and one end of the first sound transmission pipe 25 through a flange, the corrugated pipe 22 is made of sound insulation materials, a cymbal instrument similar to a cymbal is formed by the first cymbal 27 and the second cymbal 28, when the detection hammer 17 collides, the first cymbal 27 and the second cymbal 28 can collide to generate sound, and the detection of the hollow drum of the wall body is facilitated.
Specifically, a fixing ring 16 sleeved outside the detection hammer 17 is fixed at one end of the access hole 20, a honeycomb-shaped sound absorption coil 15 is bonded to the circumferential outer wall of the fixing ring 16, a plurality of rows of honeycomb holes distributed equidistantly are formed in the circumferential outer wall of the honeycomb-shaped sound absorption coil 15, the honeycomb holes do not penetrate through the honeycomb-shaped sound absorption coil 15, and the sound generated by impact of the first cymbal 27 and the second cymbal 28 can be sufficiently transmitted to the sound pickup 23 by using the first sound transmission pipe 25, the corrugated pipe 22 made of sound insulation material and the second sound transmission pipe 26, so that the sound pickup part is performed in a sealed ring shape, and sound interference in the external environment is avoided.
Concretely, reciprocal advancing mechanism includes the drive shaft of connecting in detection frame 7 inner wall one side top and bottom through the bearing, and the equal fixed mounting in outer wall intermediate position of drive shaft has the eccentric wheel 14 of laminating in mounting panel 13 one side, there is the rotating electrical machines 12 that is used for driving the drive shaft rotatory one side outer wall of detection frame 7 through bolted connection, the other end of two drive shafts all is fixed with the transmission shaft, and the equal fixed mounting in outer wall of transmission shaft has the drive wheel, the outer wall transmission of drive wheel is connected with drive belt 21, it is rotatory to drive shaft and eccentric wheel 14 through rotating electrical machines 12 in the reciprocal advancing mechanism, utilize eccentric wheel 14 to adjust mounting panel 13 and the position of detecting tup 17, make first spring 11 present the reciprocal phenomenon of shrink and reseing, thereby make detection tup 17 hammering wall face, the detection tup 17 of hammering will receive powerful impact effect in the twinkling of an eye, can pick up the sound of striking through adapter 23, make it more convenient to pick up.
Specifically, a first spring 11 sleeved on the outer wall of the bellows 22 and the outer wall of the mounting column 24 is fixed between the other side of the mounting plate 13 and the inner wall of one end of the detection frame 7, guide grooves 10 are formed in both sides of the detection frame 7, and guide blocks inserted into the inner walls of the guide grooves 10 are fixed on both sides of the mounting plate 13.
Specifically, elevating system is including setting up the locating frame 5 in detecting frame 7 bottom, and perpendicular groove 18 has all been seted up to the both sides of locating frame 5, the inner wall of perpendicular groove 18 all pegs graft with the inner wall of locating frame 5 and has installed the crane 6 in detecting frame 7 bottom, the mounting hole has been seted up to the bottom intermediate position of crane 6, and there is pneumatic cylinder 19 the inner wall of mounting hole and the bottom inner wall of locating frame 5 through bolted connection, adjust the position of crane 6 in locating frame 5 and perpendicular groove 18 through pneumatic cylinder 19 in the elevating system, adjust the height that detects frame 7 and detect tup 17, be convenient for carry out the empty drum to the different heights of wall body among the building engineering and detect the processing.
Specifically, the horizontal moving mechanism comprises an I-shaped moving seat 4 which is connected with the bottom of a positioning frame 5 through a bolt, a moving chassis 1 is arranged outside the I-shaped moving seat 4, four corners of the I-shaped moving seat 4 are connected with guide wheels 34 which are attached to two sides of the inner wall of the moving chassis 1 through pin shafts, a lead screw 3 is connected to the middle position of the inner wall of one end of the moving chassis 1 through a bearing, a forward and reverse rotating motor 2 which is used for driving the lead screw 3 to rotate is connected to the outer wall of the other end of the moving chassis 1 through a bolt, a threaded hole which is matched with the outer wall of the lead screw 3 is formed in the middle position of the I-shaped moving seat 4, the lead screw 3 is driven to rotate through the forward and reverse rotating motor 2 in the horizontal moving mechanism, the I-shaped moving seat 4 and the guide wheels 34 are adjusted to move in the moving chassis 1, the horizontal positions of the positioning frame 5, the detection frame 7 and the detection hammer 17 are adjusted, and the empty drum detection processing is conveniently carried out on different horizontal positions of the wall body in the building engineering.
Specifically, the universal wheels 35 are fixedly mounted at four corners of the bottom of the movable chassis 1, the outer wall of one side of the movable chassis 1, the other end of the detection hammer 17, one end of the fixing ring 16 and one end of the honeycomb-shaped voice coil 15 are located on the same vertical plane, and when the hollowing of the wall body of the building engineering is detected, the movable chassis 1, the honeycomb-shaped voice coil 15 and the detection hammer 17 in the whole device are in contact with the wall surface, and the initial positioning performance of the detection hammer 17 is kept.
Specifically, the one end outer wall that detects frame 7 has control box 8 through bolted connection, and control box 8 and just reversing between motor 2, rotating electrical machines 12 and the adapter 23 electric connection, the inside of control box 8 is provided with the data comparator, compares the sound data that picks up and the data of storing through the data comparator in the control box 8 to this judges whether the hollowing phenomenon appears in the wall body, and this hollowing detection device simple structure is easy and simple to handle.
In summary, with the above technical solution of the present invention, the working principle of the present invention is as follows: when the hollowing of the wall body of the building engineering is detected, the movable bottom frame 1, the honeycomb-shaped voice absorption coil 15 and the detection hammer 17 in the whole device are in contact with the wall surface, the driving shaft and the eccentric wheel 14 are driven to rotate by the rotating motor 12 in the reciprocating propulsion mechanism, the positions of the mounting plate 13 and the detection hammer 17 are adjusted by the eccentric wheel 14, so that the first spring 11 is contracted and reset to have reciprocating phenomena, the detection hammer 17 hammers the wall surface, the hammering detection hammer 17 is subjected to strong impact effect at the moment, the first cymbal 27 and the second cymbal 28 are impacted to generate strong sound, the impacting sound can be picked up by the sound pickup device 23, the picking up is more convenient, and the picked-up sound data and the stored data are compared by the data comparator in the control box 8 to judge whether the wall body has the hollowing phenomenon or not, the hollowing detecting device has simple structure and simple and convenient operation, when the wall surface is hammered by the detecting hammer head 17 and impact sound is picked up by the sound pick-up 23, the hammering process of the detecting hammer head 17 is subjected to external noise absorption treatment by the honeycomb-shaped sound absorption coil 15, the impact sound of the first cymbal 27 and the second cymbal 28 can be fully transmitted to the sound pick-up 23 by the first sound transmission pipe 25, the corrugated pipe 22 made of sound insulation material and the second sound transmission pipe 26, the sound pick-up part is carried out in a sealed ring shape, the sound interference in the external environment is avoided, when in detection, the positions of the lifting frame 6 in the positioning frame 5 and the vertical groove 18 can be adjusted by the hydraulic cylinder 19 in the lifting mechanism, the heights of the detecting frame 7 and the detecting hammer head 17 are adjusted, and the hollowing detection treatment can be conveniently carried out on different heights of the wall body in the building engineering, the screw rod 3 can be driven to rotate by the forward and reverse rotating motor 2 in the horizontal moving mechanism, the I-shaped moving seat 4 and the guide wheel 34 are adjusted to move in the moving underframe 1, and the horizontal positions of the positioning frame 5, the detection frame 7 and the detection hammer 17 are adjusted, so that the hollowing detection processing can be conveniently carried out on different horizontal positions of the wall body in the building engineering.
Example two:
referring to fig. 1, 8 and 9, in this embodiment, compared with embodiment 1, U-shaped frames 38 are fixed at both ends of an outer wall of one side of the movable chassis 1, a Z-shaped positioning frame 9 is inserted into the U-shaped frames 38, anti-slip grooves 36 distributed at equal intervals are formed at the bottom of the Z-shaped positioning frame 9, threaded rods 37 are connected to inner walls of the bottom of the U-shaped frames 38 through bearings, rotating handles 39 are fixed at the top of the threaded rods 37, and threaded grooves adapted to the threaded rods 37 are formed at both sides of the top of the Z-shaped positioning frame 9.
In summary, with the above technical solution of the present invention, the working principle of the present invention is as follows: when detecting, drive threaded rod 37 through changeing handle 39 and rotate, adjust the height of Z type locating rack 9 for Z type locating rack 9 and ground contact increase frictional force through anti-skidding groove 36, keep the stability can of whole device when detecting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A wall hollowing detection device based on building engineering quality detection comprises a detection frame (7) and is characterized in that one end of the detection frame (7) is provided with a hole (20) for passing in and out, a detection hammer head (17) is spliced in the hole (20), the detection hammer head (17) is arranged to be of a hollow structure, a detection assembly is arranged in the detection hammer head (17), a pickup assembly used for detecting wall hollowing is arranged between one end of the detection hammer head (17) and the inner wall of the other end of the detection frame (7), the pickup assembly comprises a first sound transmission pipe (25) fixed at one end of the detection hammer head (17), a mounting column (24) is fixed on the inner wall of the other end of the detection frame (7), one end of the mounting column (24) is connected with a pickup (23) through a bolt, a second sound transmission pipe (26) is fixedly installed at the pickup end of the pickup (23), a corrugated pipe (22) is connected between one end of the second sound transmission pipe (26) and one end of the first sound transmission pipe (25) through a flange, the corrugated pipe (22) is arranged to be of sound insulation material, one end of the sound transmission pipe (20) is fixed with a honeycomb ring (17), a sound transmission ring (16) is fixed at one end of the honeycomb ring, a sound absorption ring (15) is arranged outside, and a sound absorption ring (15) penetrates through honeycomb ring is arranged on the honeycomb ring (15) and a sound absorption ring, a mounting plate (13) is fixed at one end of the circumference of the detection hammer head (17), and a reciprocating propulsion mechanism for adjusting the position of the detection hammer head (17) is arranged between one side of the mounting plate (13) and the inner wall of the detection frame (7);
the bottom of the detection frame (7) is provided with a lifting mechanism for adjusting the height of the detection frame (7); the bottom of the lifting mechanism is provided with a horizontal moving mechanism used for adjusting the horizontal position of the detection frame (7), the detection assembly comprises a first cymbal (27) attached to the inner wall of one end of the detection hammer head (17), fixing cylinders (30) which are distributed annularly at equal intervals are fixed on the inner wall of the other end of the detection hammer head (17), telescopic rods (29) which are inserted into the fixing cylinders (30) at equal intervals are fixed on the circumferential outer wall of the first cymbal (27), limiting rings (32) are fixed on the circumferential outer wall of each telescopic rod (29), second springs (31) are fixed between one side of each limiting ring (32) and one end of each fixing cylinder (30), and L-shaped mounting rods (33) which are distributed at equal intervals are fixed on one side of the circumferential inner wall of the detection hammer head (17), and one end of the L-shaped mounting rod (33) is fixed with a second cymbal (28), the position of the second cymbal (28) corresponds to the position of the first cymbal (27), the reciprocating propulsion mechanism comprises driving shafts connected to the top and the bottom of one side of the inner wall of the detection frame (7) through bearings, eccentric wheels (14) attached to one side of the mounting plate (13) are fixedly mounted in the middle positions of the outer walls of the driving shafts, the outer wall of one side of the detection frame (7) is connected with a rotating motor (12) used for driving the driving shafts to rotate through bolts, transmission shafts are fixed to one ends of the two driving shafts, and transmission wheels are fixedly mounted on the outer walls of the transmission shafts, the outer wall transmission of drive wheel is connected with drive belt (21), be fixed with between the opposite side of mounting panel (13) and the one end inner wall that detects frame (7) and establish first spring (11) at bellows (22) outer wall and erection column (24) outer wall, and the guide way (10) have all been seted up to the both sides that just detect frame (7), and the both sides of mounting panel (13) all are fixed with the guide block of grafting at guide way (10) inner wall.
2. The wall hollowing detection device based on the building engineering quality detection is as claimed in claim 1, characterized in that, elevating system is including setting up locating frame (5) in detecting frame (7) bottom, and the both sides of locating frame (5) have all seted up vertical slot (18), and the inner wall of vertical slot (18) and the inner wall of locating frame (5) all peg graft and have installed crane (6) in detecting frame (7) bottom, the bottom intermediate position of crane (6) has seted up the mounting hole, and there is pneumatic cylinder (19) inner wall of mounting hole and the bottom inner wall of locating frame (5) through bolted connection.
3. The wall hollowing detection device based on building engineering quality detection is characterized in that the horizontal moving mechanism comprises an I-shaped moving seat (4) which is connected with the bottom of the positioning frame (5) through a bolt, a moving base frame (1) is arranged outside the I-shaped moving seat (4), four corners of the I-shaped moving seat (4) are connected with guide wheels (34) which are attached to two sides of the inner wall of the moving base frame (1) through pin shafts, the middle position of the inner wall of one end of the moving base frame (1) is connected with a lead screw (3) through a bearing, the outer wall of the other end of the moving base frame (1) is connected with a forward and backward rotating motor (2) which is used for driving the lead screw (3) to rotate through a bolt, and a threaded hole which is matched with the outer wall of the lead screw (3) is formed in the middle position of the I-shaped moving seat (4).
4. The wall hollowing detection device based on the building engineering quality detection is characterized in that four corners of the bottom of the movable chassis (1) are fixedly provided with universal wheels (35), and the outer wall of one side of the movable chassis (1), the other end of the detection hammer head (17), one end of the fixing ring (16) and one end of the honeycomb-shaped voice absorption coil (15) are located on the same vertical plane.
5. The wall hollowing detection device based on the building engineering quality detection is characterized in that a control box (8) is connected to the outer wall of one end of the detection frame (7) through a bolt, and the control box (8) is electrically connected with the forward and reverse rotating motor (2), the rotating motor (12) and the sound pickup (23).
6. The wall hollowing detection device based on building engineering quality detection is characterized in that U-shaped frames (38) are fixed at two ends of the outer wall of one side of the movable underframe (1), a Z-shaped positioning frame (9) is inserted into the U-shaped frames (38), anti-skidding grooves (36) are formed in the bottom of the Z-shaped positioning frame (9) in an equidistant mode, threaded rods (37) are connected to the inner wall of the bottom of each U-shaped frame (38) through bearings, rotating handles (39) are fixed to the tops of the threaded rods (37), and threaded grooves matched with the threaded rods (37) are formed in two sides of the top of each Z-shaped positioning frame (9).
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| CN215183072U (en) * | 2021-06-11 | 2021-12-14 | 四川思联机电工程有限公司 | Voiceprint detection device |
| CN215866512U (en) * | 2021-07-22 | 2022-02-18 | 浙江核力建筑特种技术有限公司 | Amplitude frequency spectrum difference quantization visible wall surface hollowing device |
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| CN108445078A (en) * | 2018-02-09 | 2018-08-24 | 深圳市睿灵创新科技开发有限公司 | Skin hollowing detection device and method |
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