CN110726628B - Glass deformation detection system under action of spherical fragments - Google Patents
Glass deformation detection system under action of spherical fragments Download PDFInfo
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- CN110726628B CN110726628B CN201911064358.XA CN201911064358A CN110726628B CN 110726628 B CN110726628 B CN 110726628B CN 201911064358 A CN201911064358 A CN 201911064358A CN 110726628 B CN110726628 B CN 110726628B
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- 239000011521 glass Substances 0.000 title claims abstract description 71
- 230000009471 action Effects 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000012634 fragment Substances 0.000 title abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 100
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 14
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention relates to a glass deformation detection system under the action of spherical fragments. The device comprises an operation table, a ball, a transmission device, a transmitting device, a fixing device and a camera device, wherein the transmission device and the transmitting device are arranged on the operation table, the fixing device is used for fixing a glass test piece, the transmission device is used for conveying the ball to a position corresponding to a transmitting end of the transmitting device, the transmitting device is used for pushing the ball to enable the ball to collide with the glass test piece, and the camera device is used for shooting the glass test piece under the collision effect of the ball; the detection system provides equipment and experimental method support for glass deformation under the action of the spherical fragments, facilitates the research on the deformation condition of the glass curtain wall under the action of the spherical fragments, has experimental guidance on the research on the deformation of the glass curtain wall under the action of the spherical fragments, enriches the research means of the deformation of the glass curtain wall, and has certain economic value and reference significance.
Description
Technical Field
The invention relates to the technical field of glass deformation detection, in particular to a glass deformation detection system under the action of spherical fragments.
Background
The wind-induced fragments refer to flying objects formed by fragments such as broken stone, metal, glass, branches and the like under the condition of extreme storms, and according to the shape difference, the wind-induced fragments can be divided into three types: spherical, plate-like, and stick-like. Domestic and foreign researches show that the wind-induced fragments are one of the main damage reasons of the building enclosure structure of the high-rise building, and particularly in recent years, the glass curtain wall is damaged due to the wind-induced fragments to be the main damage form of the enclosure structure along with the prevalence of the glass curtain wall, so that the research on the glass curtain wall under the action of the wind-induced fragments is very necessary.
At present, the research on damage of wind-induced fragments mainly relates to the research on the movement track of the fragments, the risk analysis, the impact resistance bearing capacity of the enclosure structure and the like, but the research on deformation of the glass curtain wall under the action of the wind-induced fragments is less, and the related experimental devices are less. In view of the above, developing an experimental detection system specially used for researching a glass curtain wall under the action of wind-induced fragments becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a glass deformation detection system under the action of spherical fragments, which is used for solving the technical problem that a detection system specially used for researching glass deformation under the action of spherical fragments is lacking in the prior art.
In order to achieve the above purpose, the invention provides a glass deformation detection system under the action of spherical fragments, which adopts the following technical scheme:
The glass deformation detection system under the action of the spherical fragments comprises an operation table, a spherical object, a transmission device, a transmitting device, a fixing device and a camera device, wherein the transmission device and the transmitting device are arranged on the operation table, the fixing device is used for fixing a glass test piece, the transmission device is used for conveying the spherical object to a position corresponding to a transmitting end of the transmitting device, the transmitting device is used for pushing the spherical object so as to enable the spherical object to impact the glass test piece, and the camera device is used for shooting the glass test piece under the action of the impact of the spherical object;
The conveying device comprises a landslide mechanism, a guardrail mechanism, a guide groove mechanism and a rotating disc for rotating and conveying the spherical objects, wherein a storage groove for temporarily storing the spherical objects is arranged on the rotating disc, and an outlet of the landslide mechanism faces the rotating disc so that the spherical objects sliding down from the landslide mechanism can slide into the storage groove; one end of the guide groove mechanism is used for receiving the ball rolled out from the storage groove, and the other end of the guide groove mechanism is arranged at a position corresponding to the transmitting end of the transmitting device; the guardrail mechanism is used for stopping and limiting the ball in the storage tank before the ball flows into the guide groove mechanism;
The transmitting device comprises a first control mechanism, a transmitter and a transmitting frame, wherein the transmitting frame is provided with a height adjusting mechanism for adjusting the height of the transmitter and an angle adjusting mechanism for adjusting the transmitting angle of the transmitter; the first control mechanism is used for controlling the transmitting frequency of the transmitter.
Further, the transmission device further comprises a turntable frame and a driving mechanism, wherein the driving mechanism is fixed on the turntable frame and is used for driving the rotating disc to rotate.
Further, the driving mechanism comprises a second control mechanism and a driving motor, the rotating disc is fixedly connected with a driving shaft of the driving motor, and the second control mechanism is used for controlling the driving motor to rotate so as to adjust the rotating speed of the rotating disc.
Further, the storage grooves are provided in plurality and at intervals along the circumferential direction of the rotating disk.
Further, the guardrail mechanism is a curved guardrail, which is stopped at the notch position of each storage groove.
Further, the rotating disc and the guardrail mechanism are arranged in a vertical plane, the guide groove mechanism comprises a guide groove and a supporting rod, the guide groove is transversely arranged between the rotating disc and the launching device, one side of the guide groove, which faces the rotating disc, is hinged with the guardrail mechanism, the other side of the guide groove is slidably assembled with the supporting rod, and the supporting rod is installed on the operating platform in an up-down adjustable mode.
Further, the height adjusting mechanism comprises a guide post and an adjusting hole arranged on the operation table, the guide post is assembled in the adjusting hole in a guide sliding manner, a stop piece is detachably arranged on the guide post and used for stopping the table top of the operation table mutually so as to limit the guide sliding of the guide post and the adjusting hole.
Further, the angle adjusting mechanism comprises a fan-shaped disc and a fixing piece, wherein the fan-shaped disc is rotationally assembled on the guide post, the fan-shaped disc is fixedly connected with the emitter, and the fixing piece is used for simultaneously penetrating through the fan-shaped disc and the guide post after the fan-shaped disc rotates for a set angle so as to fix the fan-shaped disc.
Further, the fixing device comprises a fixing frame and a fixing clamp arranged on the fixing frame.
Further, the emitter is an electric push rod, a driving shaft of the electric push rod is used for pushing the spherical objects, the end part of the driving shaft, which is used for pushing the spherical objects, forms an emitting end, and the emitting end of the driving shaft is conical.
Compared with the prior art, the glass deformation detection system under the action of the spherical fragments has the beneficial effects that: when the detection system is used, the ball rolled out from the transmission device is conveyed to the transmitting end of the transmitting device, then is pushed by the transmitting device and collides with the glass test piece fixed at the fixing device, the collision process is shot and collected by the camera device, and finally, the deformation condition of the glass can be obtained through analysis and processing of the shot and collected image or picture information. Thereby realizing experimental simulation of deformation condition of the glass curtain wall under the impact action of the ball. In addition, in the use process, the emission angle of the ball can be adjusted through the angle adjusting mechanism, and the emission height of the ball is adjusted through the height adjusting mechanism and the supporting rod, so that the simulation of the ball at different height positions and under different angles is realized, and the detection system provided by the invention has wider experimental means. The detection system provides equipment and experimental method support for glass deformation under the action of the spherical fragments, facilitates the research on the deformation condition of the glass curtain wall under the action of the spherical fragments, has experimental guidance on the research on the deformation of the glass curtain wall under the action of the spherical fragments, enriches the research means of the deformation of the glass curtain wall, and has certain economic value and reference significance.
Drawings
FIG. 1 is a schematic view of the overall structure of a glass deformation detection system under the action of spherical chips according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the overall structure of a glass deformation detecting system under the action of spherical chips according to an embodiment of the present invention;
FIG. 3 is a schematic view of a conveyor and a table of a glass deformation detection system under the action of spherical chips according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the structure of a conveying device of a glass deformation detecting system under the action of spherical fragments according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the structure of a transmitting device of a glass deformation detecting system under the action of spherical fragments according to an embodiment of the present invention;
FIG. 6 is a schematic side view of an emitter device of a glass deformation detection system under the influence of spherical debris in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a fixing device of a glass deformation detecting system under the action of spherical chips according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a second embodiment of a fixture for a glass deformation detection system under the action of spherical debris.
In the figure, 1-operation table, 101-adjusting hole, 2-transmission device, 201-turntable frame, 202-landslide mechanism, 203-rotating disk, 204-guardrail mechanism, 205-storage tank, 206-guide groove, 207-support bar, 3-emission device, 301-guide column, 302-fan-shaped disk, 303-fixing plate, 304-first control mechanism, 305-emitter, 306-emission end, 4-fixing device, 401-fixing frame, 402-fixing clip, 5-ball, 6-glass test piece.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 8, a glass deformation detecting system by spherical chips according to a preferred embodiment of the present invention. The glass deformation detection system under the action of the spherical fragments comprises an operation table 1, a spherical object 5, a transmission device 2, a transmitting device 3, a fixing device 4 and a camera device, wherein the transmission device 2 and the transmitting device 3 are arranged on the operation table 1, the fixing device 4 is used for fixing a glass test piece 6, the transmission device 2 is used for conveying the spherical object 5 to a position corresponding to a transmitting end 306 of the transmitting device 3, the transmitting device 3 is used for pushing the spherical object 5 so as to enable the spherical object 5 to impact the glass test piece 6, and the camera device is used for shooting the glass test piece 6 under the action of the impact of the spherical object 5;
The conveying device 2 comprises a landslide mechanism 202, a guardrail mechanism 204, a guide groove mechanism and a rotating disc 203 for rotating and conveying the balls 5, wherein a storage groove 205 for temporarily storing the balls 5 is arranged on the rotating disc 203, and the outlet of the landslide mechanism 202 faces the rotating disc 203 so that the balls 5 sliding down from the landslide mechanism 202 can slide into the storage groove 205; one end of the guide groove mechanism is used for receiving the ball 5 rolled out from the storage groove 205, and the other end of the guide groove mechanism is arranged at a position corresponding to the transmitting end 306 of the transmitting device 3; the guardrail mechanism 204 is used for stopping and limiting the ball 5 in the storage groove 205 before the ball 5 flows into the guide groove mechanism;
the launching device 3 comprises a first control mechanism 304, a launcher 305 and a launching frame, wherein the launching frame is provided with a height adjusting mechanism for adjusting the height of the launcher 305 and an angle adjusting mechanism for adjusting the launching angle of the launcher 305; the first control mechanism 304 is configured to control a transmission frequency of the transmitter 305.
Specifically, in this embodiment, the console 1 has a square table shape, and the transmission device 2, the emission device 3, and the fixing device 4 are mounted on the console 1. The image pickup device in this embodiment is a high-speed camera (not shown). The camera device is mounted outside the console 1, and the arrangement position of the camera device should be referenced to the camera view of the camera device, which can clearly capture the fixture 4.
The conveying device 2 in this embodiment includes a slide mechanism 202, a guardrail mechanism 204, a guide groove mechanism, and a rotating disc 203 that rotates the conveying ball 5. In this embodiment, the landslide mechanism 202 is mounted on the console 1, and the landslide mechanism 202 is composed of an inclined slide plate, a guide plate and a support plate, wherein the support plate is supported at one end of the inclined slide plate to realize inclined support of the inclined slide plate, the guide plate is disposed at the outlet position of the inclined slide plate, a guide groove is disposed on the guide plate, and the outlet of the guide groove is disposed toward the rotating disc 203.
In this embodiment, the transmission device 2 further includes a turntable frame 201 and a driving mechanism, where the driving mechanism includes a second control mechanism and a driving motor, and the second control mechanism is specifically a PLC control system, and in this embodiment, the turntable frame 201 is fixed on the console 1, and the driving mechanism is installed at the top of the turntable frame 201. The center of the rotating disk 203 is fixed to the driving shaft of the driving motor, and the rotating disk 203 is driven by the rotation of the driving motor. In this embodiment, the rotating disc 203 is disc-shaped, and the center of the rotating disc 203 is fixed to the driving shaft of the driving motor.
As shown in fig. 4, the rotating disk 203 of the present embodiment is further provided with a plurality of storage grooves 205, and these storage grooves 205 are used for temporarily storing the balls 5 and are equally spaced along the circumferential direction of the rotating disk 203. In this embodiment, the rotating disc 203 is located in a vertical plane, and the guiding plate of the landslide mechanism 202 is attached to the rotating disc 203 (so as not to affect the rotation of the rotating disc 203, and not to contact with the guiding plate), and in the process of rotating the rotating disc 203, the storage groove 205 rotated to the bottom is opposite to the outlet of the guiding groove on the guiding plate, so that the ball 5 sliding down from the landslide mechanism 202 falls into the storage groove 205 rotated to the bottom. The ball 5 then rotates with the rotating disk 203, thereby effecting rotational conveyance of the ball 5. In order to avoid the ball 5 falling from the storage groove 205 during rotation of the rotating disk 203, a guard rail mechanism 204 is provided beside the rotating disk 203 in this embodiment. In this embodiment, the guardrail mechanism 204 is a curved rail, the curved rail is in a semicircular arc shape, the curved rail is also located in a vertical plane, the stop of the curved rail is limited at the notch position of each storage groove 205 on the half side of the rotating disc 203, specifically, the movement track of each storage groove 205 on the rotating disc 203 can be subdivided into an ascending stage and a descending stage, and in this embodiment, the guardrail mechanism 204 is disposed at the position corresponding to the ascending stage of each storage groove 205. During the ascent, when the ball 5 rolls out of the slot of the holding tank 205, the barrier mechanism 204 will block the ball 5, thereby avoiding the roll-out of the ball 5. It should be noted that, in this embodiment, the groove depth direction of the holding groove 205 is perpendicular to the end face of the rotating disk 203, and in other embodiments, in order to avoid the ball 5 in the ascending stage from escaping from the holding groove 205 and to facilitate the ball 5 to roll out of the holding groove 205 when the ball 5 rotates to the topmost part, the groove depth direction of each holding groove 205 may be inclined, i.e., the groove depth direction of each holding groove 205 is arranged to extend from the one side of the groove opening of the holding groove 205 to the outer peripheral side of the rotating disk 203, and the design is such that the groove opening to the groove opening extending direction of the holding groove 205 is inclined downward when the holding groove 205 is in the ascending initial stage, and the groove opening to the groove opening extending direction of the holding groove 205 is inclined upward when the holding groove reaches the topmost part, thereby facilitating the escape of the ball 5.
The guide groove mechanism in this embodiment includes a guide groove 206 and a support rod 207, the guide groove 206 is a straight guide groove, the guide groove 206 is transverse between the rotating disk 203 and the launching device 3, one end of the guide groove 206 is disposed toward the disk surface (the side where the storage groove 205 is disposed) of the rotating disk 203, and the other end of the guide groove 206 is disposed at a position corresponding to the launching end 306 of the generating device. In this embodiment, the support rod 207 is supported below the guide groove 206, the support rod 207 is assembled on the operation table 1 in a guiding sliding manner, a through hole for guiding sliding of the support rod 207 is arranged on the operation table 1, in order to fix the support rod 207, a through hole is arranged on the support rod 207 in this embodiment, after the support rod 207 is guided and adjusted, a pin shaft is penetrated through the corresponding through hole of the support rod 207, the pin shaft can be blocked with the table top of the operation table 1, so that the relative sliding of the support rod 207 is limited, and the pin shaft fixed on the support rod forms a fixing piece in this embodiment. In order to realize the height adjustment of the support rod, the support rod can also be a telescopic rod in other embodiments.
In this embodiment, one end of the guide slot 206 is hinged to the guardrail mechanism 204, and the other end is slidably assembled with the support rod 207, in this embodiment, the guide slot 206 is provided with a long slot towards the bottom side of the support rod 207, and the top end of the support rod 207 is inserted into the long slot, and when the guide slot 206 is obliquely adjusted, the top end of the support rod 207 slides along the long slot. Because the top height of the guardrail mechanism 204 is fixed, the end of the guide groove 206 hinged with the guardrail mechanism 204 can only swing, but cannot be adjusted in the vertical position, and the end of the guide groove 206 assembled with the support rod 207 in a sliding manner can be adjusted in the height position along with the guide sliding of the support rod 207, so that the inclination angle of the guide groove 206 can be adjusted by adjusting the guide sliding of the support rod 207. The inlet of the guide groove 206 is opposite to the slot of the storage groove 205 rotated to the highest position on the rotating disk 203 in this embodiment, so that the ball 5 rolled out of the storage groove 205 falls into the guide groove 206, thereby realizing the transfer of the ball 5 between the rotating disk 203 and the guide groove 206. It should be noted that, in order to avoid the situation that the slot opening of the storage tank 205 and the inlet of the guide tank 206 cannot be in fit and butt joint during the tilt adjustment of the guide tank 206, the guide tank 206 is disposed below the highest position of each storage tank 205 in this embodiment, so that when the guide tank 206 is in tilt adjustment, the inlet side of the guide tank 206 is always located below the slot opening of the corresponding storage tank 205, thereby ensuring butt joint transmission of the balls 5. To achieve the above objective, in this embodiment, a vertical section is provided at the top of the guard rail mechanism 204, and the guide slot 206 is hinged to the bottom of the vertical section of the guard rail mechanism 204. In this embodiment, in order to limit the ball 5 at the outlet position of the guide slot 206, a baffle (not shown) is further disposed at the outlet position of the guide slot 206, so that the ball 5 sliding along the guide slot 206 is blocked and limited at the baffle position.
The transmitting device 3 in this embodiment comprises a first control mechanism 304, a transmitter 305 and a transmitting rack. The first control mechanism 304 is specifically a PLC control system, the emitter 305 is specifically an electric push rod, a driving shaft of the electric push rod is used for pushing the ball 5, an end portion of the driving shaft, which is used for pushing the ball 5, forms an emitting end 306, and the emitting end 306 of the driving shaft is in a conical shape, as shown in fig. 5 specifically. The launching cradle in this embodiment comprises a guide post 301, a fan-shaped disc 302 and a fixing plate 303, wherein the fixing plate 303 is in a U-shaped groove shape. The first control mechanism 304 and the emitter 305 are both fixed on the fixing plate 303, in this embodiment, two fan-shaped discs 302 are provided, and two fan-shaped discs 302 are both connected and fixed with the fixing plate 303, and the two fan-shaped discs 302 and the fixing plate 303 are integrally formed into a semi-cylindrical shape.
In this embodiment, two guide posts 301 are provided, two guide posts 301 are arranged in parallel, and in this embodiment, two fan-shaped discs 302 are clamped between the two guide posts 301, the two fan-shaped discs 302 are respectively assembled with the guide posts 301 on the corresponding sides in a rotating manner, specifically, the circle center positions of the two fan-shaped discs 302 are respectively assembled with the corresponding guide posts 301 in a rotating manner, so that the two fan-shaped discs 302 can swing between the two guide posts 301, and the swing of the fan-shaped discs 302 drives the fixing plate 303 to swing, thereby realizing adjustment of the emission angle of the emitter 305 fixed on the fixing plate 303. After the fan-shaped disc 302 is adjusted, in order to fix the swinging position of the fan-shaped disc 302, in this embodiment, a plurality of fixing holes are provided in the circumferential direction of each fan-shaped disc 302, the fixing holes are arranged at intervals along the arc edges of the fan-shaped disc 302, and mounting holes are correspondingly provided on the guide posts 301, so that the fan-shaped disc 302 can be fixed by passing pins or bolts through the mounting holes on the guide posts 301 and the fixing holes on the fan-shaped disc 302 at the same time. The fan-shaped disc 302, the mounting hole, the fixing hole, and the pin shaft in this embodiment constitute the angle adjusting mechanism in this embodiment.
In order to adjust the height of the emitter 305, in this embodiment, the guide post 301 is slidably assembled on the operation table 1, two adjusting holes 101 into which the corresponding guide posts 301 are inserted are provided on the operation table 1, and the height of the emitter 305 can be adjusted by inserting the guide posts 301 into different depths. The adjustment holes and the guide posts constitute a height adjustment mechanism in this embodiment. In addition, in order to fix the guide post 301 after the guide post 301 is adjusted, in this embodiment, a plurality of through holes are also provided on the guide post 301, and these through holes are provided at intervals along the extending direction of the guide post 301, after the guide post 301 is adjusted, the fixing of the guide post 301 can be achieved by inserting pin shafts into the corresponding through holes, and the pin shafts can be blocked with the table top of the console 1. The pin shaft forms a stop in the present embodiment, and the fixing manner of the guide post 301 in the present embodiment is the same as the fixing manner of the support rod 207 in the guide groove mechanism.
In this embodiment, the fixing device 4 includes a fixing frame 401 and a fixing clip 402, the fixing frame 401 is rectangular, the fixing clip 402 is disposed on each frame edge of the fixing frame 401, in this embodiment, the fixing clip 402 is stepped, a threaded hole is formed in the fixing clip 402, during installation, the glass test piece 6 is clamped at the stepped surface of the fixing clip 402, and then the glass test piece 6 is connected and fixed with the threaded hole on the fixing clip 402 through a bolt or a screw, as shown in fig. 7 and 8. In other embodiments, the fixing clip 402 may be a clip commonly used in photo frames, and the glass test piece 6 is clamped and fixed in the fixing frame 401 by the clip.
The working process of the invention is as follows: before the test, the preliminary preparation work is needed to be finished, black and white paint is needed to be sprayed on the surface of the glass test piece 6 to form checkerboard speckle, and then the glass test piece 6 is fixed on the fixing device 4 and the fixing device 4 is fixed on the operating platform 1. Then, the height of the tail end of the guide groove 206 (i.e. the side provided with the baffle) is adjusted according to the test requirement, specifically, the height of the support rod is adjusted, then the height of the emitter 305 is adaptively adjusted according to the height of the tail end of the guide groove 206, and in addition, the emission angle of the emitter 305 is also required to be adjusted according to the test requirement. After the adjustment, the rotation speed of the rotating disc 203 and the pushing frequency of the emitter 305 need to be adjusted, the rotation speed of the rotating disc 203 can be adjusted by adjusting the second control mechanism, and the emitting frequency of the emitter 305 can be adjusted by adjusting the first control mechanism 304. In this embodiment, the image pickup device is mounted beside the fixing device 4, specifically, at the front right or the rear right of the fixing device 4, and in other embodiments, a plurality of image pickup devices may be provided, and each image pickup device is mounted at four diagonal positions of the fixing device 4.
In the test process, the ball 5 is a small steel ball in the present embodiment by fully swinging the ball 5 on the landslide mechanism 202, wherein the ball 5 (hereinafter referred to as a first ball) at the outlet of the guide groove on the guide plate is blocked by the surface of the rotating disk 203, during the rotation of the rotating disk 203, the surface of the rotating disk 203 is in friction contact with the first ball, but due to the blocking and limiting actions of the side wall of the guide groove and the ball 5 on the guide plate, the ball 5 only rotates, when the storage groove 205 on the rotating disk 203 rotates to the position corresponding to the notch of the guide groove, the first ball is pushed by the rear ball 5 (the ball 5 on the inclined slide plate generates a downward component force effect along the inclined slide plate under the action of gravity), the first ball is pushed into the storage groove 205 on the rotating disk 203 at the lowest position, thereby realizing the synchronous rotation of the ball 5 from the landslide mechanism 202 to the rotating disk 203, and then the first ball 205 is synchronously rotated along with the rotating disk 203, after the storage groove 205 rotates to the position corresponding to the notch of the guide groove, and the first ball 205 is prevented from falling out of the storage groove 204. It should be noted that, similar to the first ball, the balls 5 behind the first ball will sequentially enter the storage grooves 205 behind the rotating disc 203 under the action of gravity separation, and the specific movement principle is the same as that of the first ball, and will not be described here.
When the first ball rises to the top of the rotating disc 203, the first ball will lose the stopping and limiting function of the guardrail mechanism 204, and the first ball will drop into the guide slot 206 under the action of gravity and roll along the guide slot 206 to the tail end of the guide slot 206, and the baffle disposed at the tail end of the guide slot 206 stops and limits the first ball. When the first ball reaches the end of the guiding slot 206, the emitter 305 controlled by the first control mechanism 304 pushes the first ball, the pushed first ball flies out from the end of the guiding slot 206 and collides with the glass test piece 6, and the process that the first ball collides with the glass test piece 6 is captured by the camera. Since the principle of movement of each ball 5 behind the first ball is the same as the principle of movement of the first ball, this embodiment will not be described in detail. It should be noted that, since the time interval between reaching the end of the guide slot 206 of any two adjacent balls is substantially uniform, the emission frequency of the emitting device 3 is also adjusted to the frequency matching the time interval in this embodiment.
Finally, the deformation condition of the glass test piece 6 can be obtained by carrying out image analysis on the image or the picture shot by the shooting device, the software for analyzing the image or the picture in the embodiment is PMLAB image processing software, the deformation vector diagram and the displacement cloud diagram of the glass test piece 6 can be obtained by analyzing the software, and finally, the deformation condition of the glass test piece 6 under the action of spherical fragments can be obtained by carrying out detailed analysis on the deformation vector diagram and the displacement cloud diagram.
In summary, the embodiment of the invention provides a glass deformation detection system under the action of spherical fragments, which provides equipment and experimental method support for glass deformation under the action of spherical fragments, facilitates the research on the deformation condition of a glass curtain wall under the action of spherical fragments, has experimental guidance on the research on the deformation of the glass curtain wall under the action of spherical fragments, enriches the research means of the deformation of the glass curtain wall, and has certain economic value and reference significance.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (6)
1. The utility model provides a glass deformation detecting system under globular piece effect which characterized in that: the device comprises an operation table (1), a ball (5), a transmission device (2), a transmitting device (3), a fixing device (4) and a camera device, wherein the transmission device (2) and the transmitting device (3) are arranged on the operation table (1), the fixing device (4) is used for fixing a glass test piece (6), the transmission device (2) is used for conveying the ball (5) to a position corresponding to a transmitting end (306) of the transmitting device (3), the transmitting device (3) is used for pushing the ball (5) so that the ball (5) impacts the glass test piece (6), and the camera device is used for shooting the glass test piece (6) under the impact action of the ball (5);
The conveying device (2) comprises a landslide mechanism (202), a guardrail mechanism (204), a guide groove mechanism and a rotating disc (203) for rotating and conveying the balls (5), wherein a storage groove (205) for temporarily storing the balls (5) is arranged on the rotating disc (203), and the outlet of the landslide mechanism (202) faces the rotating disc (203) so that the balls (5) sliding down from the landslide mechanism (202) can slide into the storage groove (205); one end of the guide groove mechanism is used for receiving the ball (5) rolled out from the storage groove (205), and the other end of the guide groove mechanism is arranged at a position corresponding to the transmitting end (306) of the transmitting device (3); the guardrail mechanism (204) is used for stopping and limiting the ball (5) in the storage groove (205) before the ball (5) flows into the guide groove mechanism;
the emitting device (3) comprises a first control mechanism (304), an emitter (305) and an emitting frame, wherein the emitting frame is provided with a height adjusting mechanism for adjusting the height of the emitter (305) and an angle adjusting mechanism for adjusting the emitting angle of the emitter (305); the first control mechanism (304) is used for controlling the emission frequency of the emitter (305);
The transmission device (2) further comprises a turntable frame (201) and a driving mechanism, wherein the driving mechanism is fixed on the turntable frame (201) and is used for driving the rotating disc (203) to rotate;
the driving mechanism comprises a second control mechanism and a driving motor, the rotating disc (203) is fixedly connected with a driving shaft of the driving motor, and the second control mechanism is used for controlling the driving motor to rotate so as to realize the adjustment of the rotating speed of the rotating disc (203);
The height adjusting mechanism comprises a guide post (301) and an adjusting hole (101) arranged on the operating platform (1), wherein the guide post (301) is assembled in the adjusting hole (101) in a guide sliding way, a stop piece is detachably arranged on the guide post (301) and used for stopping the table top of the operating platform (1) mutually so as to limit the guide sliding of the guide post (301) and the adjusting hole (101);
The angle adjusting mechanism comprises a sector plate (302) and a fixing piece, wherein the sector plate (302) is rotationally assembled on the guide post (301), the sector plate (302) is fixedly connected with the emitter (305), and the fixing piece is used for simultaneously penetrating through the sector plate (302) and the guide post (301) after the sector plate (302) rotates for a set angle so as to fix the sector plate (302).
2. The system for detecting glass deformation under the action of spherical chips according to claim 1, wherein: the storage grooves (205) are plural and are arranged at intervals along the circumferential direction of the rotating disk (203).
3. The system for detecting glass deformation under the action of spherical chips according to claim 2, wherein: the guardrail mechanism (204) is a curved railing, and the curved railing is stopped at the notch position of each storage groove (205).
4. A glass deformation detection system under the action of spherical chips as defined in claim 3, wherein: the rotating disc (203) and the guardrail mechanism (204) are arranged in a vertical plane, the guide groove mechanism comprises a guide groove (206) and a supporting rod (207), the guide groove (206) is transversely arranged between the rotating disc (203) and the launching device (3), the guide groove (206) is used for being hinged to the guardrail mechanism (204) towards one side of the rotating disc (203) and is slidably assembled with the supporting rod (207) on the other side, and the supporting rod (207) is installed on the operating table (1) in an up-down adjustable mode.
5. The system for detecting glass deformation under the action of spherical chips according to claim 1, wherein: the fixing device (4) comprises a fixing frame (401) and a fixing clamp (402) arranged on the fixing frame (401).
6. The system for detecting glass deformation under the action of spherical chips according to claim 1, wherein: the launcher (305) is an electric push rod, a driving shaft of the electric push rod is used for pushing the spherical objects (5), the end part of the driving shaft, which is used for pushing the spherical objects (5), forms a launching end (306), and the launching end (306) of the driving shaft is conical.
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| CN106769090B (en) * | 2016-12-19 | 2023-05-23 | 华南理工大学 | Transmitting device for pedestrian protection head module collision test |
| CN107340178B (en) * | 2017-07-24 | 2019-12-03 | 中国民用航空飞行学院 | A kind of list drop shock fabric mechanism research experiment device |
| CN107505215A (en) * | 2017-08-07 | 2017-12-22 | 武汉大学 | A kind of impact test apparatus |
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| CN208270349U (en) * | 2018-05-16 | 2018-12-21 | 天津东堡电子有限公司 | A kind of impact tester |
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| CN109470583B (en) * | 2018-12-06 | 2023-11-10 | 苏州市相城检测股份有限公司 | High-efficient safe glass impact test equipment |
| CN109682695B (en) * | 2018-12-28 | 2021-08-10 | 重庆市计量质量检测研究院 | Detection equipment and detection method for object impact resistance of handrail |
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