CN215865725U - Wind presss from both sides synchronous actual measurement research device of hail coupling effect - Google Patents
Wind presss from both sides synchronous actual measurement research device of hail coupling effect Download PDFInfo
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- CN215865725U CN215865725U CN202122399223.8U CN202122399223U CN215865725U CN 215865725 U CN215865725 U CN 215865725U CN 202122399223 U CN202122399223 U CN 202122399223U CN 215865725 U CN215865725 U CN 215865725U
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Abstract
本实用新型公开了一种风夹雹耦合作用同步实测研究装置，包括可伸缩面板底座，模型面板通过面板夹具固定在可伸缩面板底座一侧，可伸缩面板底座另一侧安装在空心支架上，空心支架底部固定在测力天平上，模型面板上设有测压孔，测压孔与测压导管连接，测压导管经过空心支架内部连接至测力天平四周的电子压力扫描阀，电子压力扫描阀连接上位机；模型面板上模拟冰雹击打位置处装有压应力片，应力片导线一端连接压应力片，应力片导线另一端经过空心支架内部连接至上位机。本实用新型将电子压力扫描阀、测力天平与压应力片相结合起来同步测量，为风夹雹这种特殊荷载的测量提供服务，填补了目前国内对风雹耦合作用在建筑物上测力装置的空白。
The utility model discloses a synchronous actual measurement and research device for the coupling effect of wind clips and hail, which comprises a telescopic panel base, a model panel is fixed on one side of the telescopic panel base by a panel clamp, and the other side of the telescopic panel base is mounted on a hollow bracket, The bottom of the hollow bracket is fixed on the force-measuring balance, and the model panel is provided with a pressure-measuring hole, which is connected with the pressure-measuring conduit, and the pressure-measuring conduit is connected to the electronic pressure scanning valve around the force-measuring balance through the hollow bracket. The valve is connected to the host computer; a compressive stress piece is installed on the model panel at the simulated hail hitting position, one end of the wire of the stress piece is connected to the compressive stress piece, and the other end of the wire of the stress piece is connected to the host computer through the hollow bracket. The utility model combines an electronic pressure scanning valve, a force-measuring balance and a compressive stress sheet to measure synchronously, provides services for the measurement of a special load such as wind-induced hail, and fills the domestic market for force measurement on buildings due to the coupling effect of wind and hail. Device blank.
Description
Technical Field
The utility model relates to a synchronous actual measurement research device for coupling effect of wind hail.
Background
Under the background that global wind influences hail and acts on extreme weather at the same time, hail disasters occur frequently, and structures such as buildings, public facilities and the like within the acting radius of the hail disasters are seriously damaged. According to statistical data results, the damage of wind hail to buildings is far greater than that of simple wind disasters, and the fact that how to reduce disaster loss of lightweight roofs of villages and towns and urban buildings under the coupling effect of strong wind and wind hail is a realistic problem which needs to be faced by social development is solved. However, the research on the coupling effect of the hail and the disaster mechanism of the hail in the building is basically blank, so that the basic theoretical research on wind-induced disaster reduction and disaster prevention of the urban building and the hail disaster needs to be systematically developed, the research on the aspect is rarely carried out in the wind tunnel experiment in China at present, and a device for measuring the coupling effect of the hail in the wind is not provided.
At present, in wind tunnel experiments at home and abroad, an electronic pressure scanning valve is mainly used for collecting the wind pressure on the surface of a structure, and then the wind load borne by the structure is calculated through data, or the integral three-directional force of the structure is measured through a high-frequency dynamic balance; the impact load is mainly tested by using stress sheets to test the influence on the structure. However, each channel of the electronic pressure scanning valve can only measure the local wind pressure of the structure; the high-frequency dynamic balance can only measure the integral stress of the structure; the compressive stress sheet can only measure local pressure. However, the hail effect is the load of wind load and hail effect on the structure, the continuous effect of the wind load in a period of time, the instantaneous load of hail load when hitting the building and the most adverse state borne by the structure before and after the wind load and hail load act simultaneously need to be considered, the influence of the wind load and hail impact load on the building is not reasonable, and the three force measuring devices cannot measure and record the two loads simultaneously.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a wind hail coupling synchronous actual measurement research device which is simple in structure and wide in application range.
The technical scheme for solving the technical problems is as follows: a wind clip hail coupling effect synchronous actual measurement research device comprises a vertical angle changing device, a hollow support, a force measuring balance and a telescopic panel base, wherein the telescopic panel base is vertically arranged, a model panel is fixed on one side of the telescopic panel base through a panel clamp, the other side of the telescopic panel base is installed on the hollow support through the vertical angle changing device, the bottom of the hollow support is fixed on the force measuring balance through a bolt, a plurality of pressure measuring holes are formed in the model panel, each pressure measuring hole is connected with one end of a pressure measuring conduit, the other end of each pressure measuring conduit is connected to electronic pressure scanning valves around the force measuring balance through the inside of the hollow support, and the signal output end of each electronic pressure scanning valve is connected with an upper computer; the simulation hail hits the position department and is equipped with the stress piece on the model panel, stress piece wire one end is connected the stress piece, and the stress piece wire other end passes through hollow support internal connection to the host computer.
Above-mentioned wind presss from both sides synchronous actual measurement research device of hail coupling effect, vertical angulation device includes angle adjusting bolt and protractor, scalable panel base is articulated through angle adjusting bolt and hollow support, and articulated position department is equipped with the protractor that is used for measuring the vertical inclination of model panel.
Above-mentioned wind presss from both sides synchronous actual measurement research device of hail coupling effect, scalable panel base includes base, expansion bracket, fixed screw, base circumference is equipped with four expansion brackets, is equipped with a plurality of screws on every expansion bracket, and fixed screw passes the screw and fixes the expansion bracket on the base, realizes the regulation of expansion bracket position through the cooperation of fixed screw and screw to it is scalable to realize.
The wind hail coupling effect synchronous actual measurement research device is characterized in that a hole for a pressure measuring guide pipe and a stress sheet wire to pass through is formed in the middle of the base.
According to the wind hail coupling effect synchronous actual measurement research device, the hollow support base plate is fixed on the force measuring balance, through holes for the pressure measuring guide pipes to pass through are reserved at four corners of the hollow support base plate, and the eight electronic pressure scanning valves are distributed around the force measuring balance in a group in pairs.
The utility model has the beneficial effects that:
1. the utility model combines the electronic pressure scanning valve, the force measuring balance and the compressive stress sheet for synchronous measurement, combines the single functions of several force measuring devices, provides service for the measurement of the special load of wind hail, and fills the gap of the current domestic force measuring device for the wind hail coupling to be used on buildings.
2. The utility model can adapt to the sizes of different model panels to carry out experiments by the size of the telescopic panel base, thereby avoiding the repeated waste that the bracket needs to be customized each time according to the sizes of different model panels in the traditional experiments.
3. The telescopic panel base is arranged on the hollow support through the vertical angle changing device, and the vertical inclination angle of the model panel is measured through the angle adjusting bolt and the protractor to adapt to the inclination angles of panels of different buildings, so that the stress state of an actual building structure is simulated as truly as possible.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the retractable panel base.
FIG. 3 is a connecting and mounting diagram of a force balance, an electronic pressure scanning valve and a hollow bracket bottom plate.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, the wind clip hail coupling effect synchronous actual measurement research device comprises a vertical angle changing device, a hollow support 6, an electronic pressure scanning valve 7, a compressive stress sheet 8, a force measuring balance 10 and a telescopic panel base 3, wherein the telescopic panel base 3 is vertically arranged, a model panel 1 is fixed on one side of the telescopic panel base 3 through a panel clamp 2, the other side of the telescopic panel base 3 is installed on the hollow support 6 through the vertical angle changing device, the bottom of the hollow support 6 is fixed on the force measuring balance 10 through bolts, a plurality of pressure measuring holes 4 are formed in the model panel 1, each pressure measuring hole 4 is connected with one end of a pressure measuring conduit 5, the other end of each pressure measuring conduit 5 is connected to the electronic pressure scanning valve 7 around the force measuring balance 10 through the inside of the hollow support 6, and the signal output end of the electronic pressure scanning valve 7 is connected to an upper computer; a compressive stress sheet 8 is arranged at a position of the model panel 1 where hail impact is simulated, one end of a stress sheet lead is connected with the compressive stress sheet 8, and the other end of the stress sheet lead 9 is connected to an upper computer through the inside of the hollow support 6.
The vertical angle changing device comprises an angle adjusting bolt 11 and an angle gauge 12, the telescopic panel base 3 is hinged with the hollow support 6 through the angle adjusting bolt 11, and the angle gauge 12 used for measuring the vertical inclination angle of the model panel 1 is arranged at the hinged position.
As shown in fig. 2, scalable panel base 3 includes base, expansion bracket 14, fixed screw 13, base circumference is equipped with four expansion brackets 14, is equipped with a plurality of screw 15 on every expansion bracket 14, and fixed screw 13 passes screw 15 and fixes expansion bracket 14 on the base, realizes the regulation of expansion bracket 14 position through the cooperation of fixed screw 13 and screw 15 to it is scalable to realize. The middle of the base is provided with a hole 16 for the pressure measuring conduit 5 and the stress sheet lead 9 to pass through. Can be according to the expansion bracket 14 on the experimental model pulling base of equidimension not, aim at fixed screw 13 position with screw 15 on the expansion bracket 14, then screw up fixed screw 13, inside pressure measurement pipe 5 and the stress piece wire 9 that will experiment the model got into hollow support 6 through base hole 16 again, finally lead to the electron pressure scanning valve 7 and the host computer of bottom, then utilize panel anchor clamps 2 to fix model panel 1 on the base.
As shown in fig. 3, the force measuring balance 10 is placed at the center, the bottom plate 17 of the hollow support 6 is fixed on the force measuring balance 10, through holes 18 for the pressure measuring conduits 5 to pass through are reserved at four corners of the bottom plate 17 of the hollow support 6, and the eight electronic pressure scanning valves 7 are distributed around the force measuring balance 10 in groups two by two.
The working process of the utility model is as follows: according to the size of an actual panel, a model panel 1 is manufactured according to a required scale ratio, measuring points are arranged on the model panel 1 according to requirements, and each measuring point is provided with a pressure measuring hole 4 and connected with a pressure measuring guide pipe 5; the hitting position of the hail simulator is designed according to experimental arrangement, a compressive stress sheet 8 is adhered to the hitting position, and a stress sheet lead 9 is connected to the back of the model panel 1. According to the size of the model panel 1, the size of the telescopic panel base 3 is adjusted and fixed; the pressure measuring guide pipe 5 and the stress sheet lead 9 on the model panel 1 penetrate through the hollow bracket 6 to reach the bottom of the hollow bracket 6; the pressure measuring conduit 5 is connected to the electronic pressure scanning valve 7 in sequence; fixing the model panel 1 on the base by using a panel clamp 2; fixing the hollow support 6 to the force measuring balance 10 by using a bolt; then screwing an angle adjusting bolt 11 to adjust the vertical inclination angle of the model panel 1, and determining by using an angle gauge 12; and finally, the electronic pressure scanning valve 7, the force measuring balance 10 and the compressive stress sheet 8 are connected to an upper computer through leads, a hail load is applied to the wind tunnel, and the electronic pressure scanning valve, the force measuring balance and the compressive stress sheet are synchronously used for data acquisition.
Claims (5)
1. A wind clip hail coupling effect synchronous actual measurement research device is characterized by comprising a vertical angle changing device, a hollow support, a force measuring balance and a telescopic panel base, wherein the telescopic panel base is vertically arranged, a model panel is fixed on one side of the telescopic panel base through a panel clamp, the other side of the telescopic panel base is installed on the hollow support through the vertical angle changing device, the bottom of the hollow support is fixed on the force measuring balance through bolts, a plurality of pressure measuring holes are formed in the model panel, each pressure measuring hole is connected with one end of a pressure measuring conduit, the other end of each pressure measuring conduit is connected to electronic pressure scanning valves around the force measuring balance through the inside of the hollow support, and the signal output end of each electronic pressure scanning valve is connected with an upper computer; the simulation hail hits the position department and is equipped with the stress piece on the model panel, stress piece wire one end is connected the stress piece, and the stress piece wire other end passes through hollow support internal connection to the host computer.
2. The device for synchronously actually measuring coupling effect of wind hail according to claim 1, wherein the vertical angle varying device comprises an angle adjusting bolt and an angle gauge, the retractable panel base is hinged to the hollow support through the angle adjusting bolt, and the angle gauge for measuring the vertical inclination angle of the model panel is arranged at the hinged position.
3. The wind clip hail coupling effect synchronous actual measurement research device of claim 1, wherein the retractable panel base comprises a base, a retractable frame and fixing screws, four retractable frames are circumferentially arranged on the base, a plurality of screw holes are formed in each retractable frame, the fixing screws penetrate through the screw holes to fix the retractable frame on the base, and the positions of the retractable frames are adjusted through the matching of the fixing screws and the screw holes, so that the retractable effect is achieved.
4. The device for synchronously and actually measuring coupling effect of wind hail according to claim 3, wherein a hole for passing a pressure measuring conduit and a stress sheet wire is formed in the middle of the base.
5. The device for synchronously and actually measuring coupling of wind hail according to claim 1, wherein the hollow support base plate is fixed on the force measuring balance, through holes for the pressure measuring conduits to pass through are reserved at four corners of the hollow support base plate, and the eight electronic pressure scanning valves are distributed around the force measuring balance in groups of two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122399223.8U CN215865725U (en) | 2021-09-30 | 2021-09-30 | Wind presss from both sides synchronous actual measurement research device of hail coupling effect |
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| CN202122399223.8U CN215865725U (en) | 2021-09-30 | 2021-09-30 | Wind presss from both sides synchronous actual measurement research device of hail coupling effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127766A (en) * | 2022-08-02 | 2022-09-30 | 湖南科技大学 | An impact force test device for glazed tiles in urban buildings under wind and hail disasters |
-
2021
- 2021-09-30 CN CN202122399223.8U patent/CN215865725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127766A (en) * | 2022-08-02 | 2022-09-30 | 湖南科技大学 | An impact force test device for glazed tiles in urban buildings under wind and hail disasters |
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