CN112067221A - A basic building frame model antidetonation testing arrangement for timber structure building - Google Patents
A basic building frame model antidetonation testing arrangement for timber structure building Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 244000309464 bull Species 0.000 claims abstract description 9
- 230000007306 turnover Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000010985 leather Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 239000002023 wood Substances 0.000 abstract description 9
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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Abstract
The invention provides a seismic testing device for a foundation building frame model of a wood structure building, which relates to the field of vibration testing devices. This a basic building frame model antidetonation testing arrangement for timber structure building through the bull stick, turns over board, balancing weight cooperation, plays the effect of shutoff sealing can inside passage, recycles one toward the sealing can aerify and make the sealing can internal gas pressure constantly rise to turn over the board and promote the ascending striking of piston rod and place the platform up to the back-up, then atmospheric pressure from the release of the hole that loses heart makes the piston rod descend to the effect of vibration about the realization. Through the cooperation of the connecting pipe, the rotating rod and the spring, the inner sleeve vibrates in the horizontal direction. Thereby providing multiple vibration effects and further enabling the measurement of multiple realization data.
Description
Technical Field
The invention relates to the technical field of vibration testing devices, in particular to a seismic testing device for a foundation building frame model of a wood structure building.
Background
As science and technology development people pursue retro buildings, the retro buildings are mostly constructed by wood structures. In the whole design process of the building, a small building model can be manufactured, various tests are carried out on the building model, and the whole building is rectified according to obtained data. A shock resistance test is included in the test.
For example, a research model for dynamic load test of circular civil structure of earth buildings is disclosed in Chinese patent network, and the patent number is 202010170453.4. The device comprises a vibration bedplate, a simulation soil wall arranged on the vibration bedplate and a wood framework supported on the inner side of the simulation soil wall, wherein the wood framework comprises a plurality of vertical beams, cross beams and connecting beams, the vertical beams are connected with a main wall body through the cross beams, and the bottom of each vertical beam is provided with a pressure sensor. The earthquake is simulated through vibration of the vibration table plate, so that the influence of vibration on a simulated building is researched.
The device still has some shortcomings, the vibrating device of the device is relatively simple in structure, different vibration conditions cannot be simulated due to the fact that different levels exist in the earthquake, and therefore data obtained through simulation experiments are single and not comprehensive.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a foundation building frame model anti-seismic testing device for a wood structure building, which solves the problems that the vibration device for the wood structure building model anti-seismic testing in the background technology has a relatively simple structure, can not simulate the vibration of different levels, and causes relatively single and incomplete measured data.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a basic building frame model antidetonation testing arrangement for timber structure building, includes outer sleeve, inner skleeve, places platform, seal pot, the inner skleeve is established in the outer sleeve, and the outer sleeve inboard is equipped with the slide around angle such as axis, places the platform and is located the inner skleeve top, places a outer wall around angle such as axis and has seted up the spout, spout and slide sliding fit, and interior sleeve bottom is connected with the base, and base central authorities department is connected with the seal pot, and sliding fit has the piston rod in the seal pot, and the piston rod upper end is vertical upwards to extend to outside the seal pot, and the piston.
The inner pivot of the seal pot is connected with a rotating rod, the rotating rod is located below a piston rod, two sides of the rotating rod are respectively provided with a turning plate, a balancing weight is connected onto the turning plate, the bottom of the seal pot is provided with an air inlet, the top of the seal pot is provided with a pressure relief hole, one side of the outer sleeve is connected with a first air pump, the lower end of the first air pump penetrates through the outer sleeve and is communicated with the air inlet, and one side of the first air pump.
Turn over the board and contradict with the seal pot inner wall, the board that turns over of bull stick both sides plugs up seal pot internal channel, and last toward the air-filled make atmospheric pressure rise constantly in the seal pot, and the board that turns over is knocked out to the gas when atmospheric pressure reaches a certain time, turns over the board and drives the bull stick upset, and atmospheric pressure promotes the ascending striking in pressure release hole simultaneously and places the platform and release from the pressure release hole, and atmospheric pressure resets from pressure release hole release back piston rod, turns over the board and plugs up seal pot internal channel once more, treats that atmospheric pressure promotes the piston rod after rising again and rises.
Preferably, the seal pot further comprises a connecting pipe, the connecting pipe and the rotating rod are located on the same axis, the end portion of the connecting pipe penetrates through the seal pot and is close to the outer sleeve, the rotating rod is provided with a first hole, the connecting pipe is provided with a second hole, the first hole is perpendicular to the second hole in space, the first hole is overlapped with the second hole when the rotating rod is turned over by an angle, and a plurality of springs are connected between the outer sleeve and the inner sleeve.
Preferably, the turning plate is pressed by an air pressure to drive the rotating rod to turn, the rotating rod inclines to enable the air pressure to push the piston rod, meanwhile, the hole I and the hole II are inflated when the rotating rod turns to an angle, subsequent air flow is sprayed out from the connecting pipe to impact the outer sleeve, the outer sleeve extrudes the spring to vibrate back and forth, and the rotating rod covers the hole II of the connecting pipe after the turning is carried out for an angle.
Preferably, the end part of the connecting pipe is connected with a bracket, and the bracket is connected with the base.
Preferably, an elastic rope is connected between the base and the placing table.
Preferably, place the inside cavity of platform, place bench-top sliding fit and have a plurality of holding pieces, the holding piece slides along the vertical direction, place the bench and be equipped with the horizontal pole, the thread groove has been seted up on the horizontal pole surface, the horizontal pole has the cam through thread groove sliding fit, it inlays and has left motor to place platform left side inner wall, be connected with steel wire one between left side motor drive shaft and the cam left side, it inlays and has right motor to place platform right side inner wall, be connected with steel wire two between right side motor drive shaft and the cam right side, the cam removes the in-process and will accepts a jack-up.
Preferably, the bottom of the inner wall of the placing table is connected with a second air pump, the second air pump is connected with a soft leather hose, the second air pump is connected with an air cushion through the soft leather hose, and the air cushion is located at the convex part of the cam.
Preferably, the two sides of the outer sleeve are respectively inserted with a connecting block, and the connecting blocks are connected with the end part of the cross rod.
Preferably, rubber blocks are arranged on the top of the outer sleeve at equal angles and used for protecting the inner sleeve.
(III) advantageous effects
The invention provides a foundation building frame model earthquake resistance testing device for a wood structure building. The method has the following beneficial effects:
1. this a basic building frame model antidetonation testing arrangement for timber structure building through the bull stick, turns over board, balancing weight cooperation, plays the effect of shutoff sealing can inside passage, recycles one toward the sealing can aerify and make the sealing can internal gas pressure constantly rise to turn over the board and promote the ascending striking of piston rod and place the platform up to the back-up, then atmospheric pressure from the release of the hole that loses heart makes the piston rod descend to the effect of vibration about the realization. Through the cooperation of the connecting pipe, the rotating rod and the spring, the inner sleeve vibrates in the horizontal direction. Thereby providing multiple vibration effects and further enabling the measurement of multiple realization data.
2. This a basic building frame model antidetonation testing arrangement for timber structure building utilizes the cam to drive a plurality of boards of accepting and fluctuate and realize the vibration effect, through air pump two, air cushion cooperation, changes the protruding height of cam to the realization changes the height of accepting the board fluctuation. The fluctuation height of the bearing plate is changed, so that vibration under various different conditions is realized, vibration conditions of different levels are simulated, and the applicability is improved.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a view showing the internal structure of the present invention;
FIG. 3 is a cross-sectional view of the outer sleeve of the present invention;
FIG. 4 is a sectional view of the construction of the seal pot according to the present invention;
FIG. 5 is a partial structural view of the sealing can of the present invention;
FIG. 6 is another angular cross-sectional view of the hermetically sealed can construction of the present invention;
FIG. 7 is a sectional view of the structure of the placement table of the present invention;
fig. 8 is a schematic view of the interior of the structure of the placement table of the present invention.
In the figure: the device comprises an outer sleeve 1, an inner sleeve 2, a base 21, an elastic rope 22, a slideway 23, a support 24, a placing table 3, a sliding chute 31, a bearing block 32, a sealing tank 4, a piston rod 41, an air inlet 42, a rotating rod 43, a hole I431, a turning plate 44, a balancing weight 45, a connecting pipe 46, a hole II 461, a pressure relief hole 47, an air pump I5, a singlechip 6, a spring 7, a rubber block 8, a connecting block 9, a cross rod 10, a thread groove 101, a cam 11, an air cushion 12, an air pump II 13, a hose 131, a left motor 14, a steel wire I141, a right motor 15 and a steel wire II 151.
Detailed Description
The embodiment of the invention provides a foundation building frame model earthquake resistance testing device for a wood structure building, which comprises an outer sleeve 1, an inner sleeve 2, a placing table 3 and a sealing tank 4, as shown in figures 1-7. The inner sleeve 2 is sleeved in the outer sleeve 1. The inboard welding of axis isogonism of outer sleeve 1 has slide 23, places platform 3 and is located inner skleeve 2 tops, places 3 outer walls of platform and has seted up spout 31 around axis isogonism, spout 31 and the sliding fit of slide 23, so inner skleeve 2 with place 3 sliding fit of platform, place platform 3 and can slide from top to bottom. The base 21 is welded to the bottom of the inner sleeve 2. Base 21 central point fixed mounting has seal pot 4, and sliding fit has piston rod 41 in seal pot 4, and outside the vertical upwards extension of piston rod 41 upper end extended to seal pot 4, piston rod 41 was used for the jack-up to place platform 3.
The sealing tank 4 is internally pivoted with a rotating rod 43, and the rotating rod 43 is positioned below the piston rod 41. Turning plates 44 are welded on two sides of the rotating rod 43, and balancing weights 45 are inlaid on the turning plates 44. An air inlet 42 is formed in the bottom of the seal tank 4, a pressure relief hole 47 is formed in the top of the seal tank 4, a first air pump 5 is fixedly mounted on one side of the outer sleeve 1, the lower end of the first air pump 5 penetrates through the outer sleeve 1 to be communicated with the air inlet 42, and a single chip microcomputer 6 for controlling the electronic parts to work is fixedly mounted on one side of the first air pump 5.
Referring to fig. 4, the flap 44 abuts against the inner wall of the seal can 4, and the flaps 44 on both sides of the rotating rod 43 block the inner passage of the seal can 4. The air is continuously filled into the sealed tank 4, and the air pressure is continuously increased because the turning plate 44 blocks the passage. When the air pressure reaches a certain value, the air pushes the turning plate 44, the turning plate 44 drives the rotating rod 43 to turn, meanwhile, the air pressure pushes the pressure relief hole 47 to rise to impact the placing table 3, and when the piston rod 41 rises to the top, the air pressure is released from the pressure relief hole 47. The piston rod 41 loses the thrust and is descended and reset after the air pressure is released from the pressure relief hole 47.
The temperature rises due to the back and forth rubbing of the standing board 3 and the inner sleeve 2. At this time, the gas released from the sealing can 4 contacts both of them to achieve the effect of lowering the temperature.
Because the weight of the turning plate 44 is the same as that of the counterweight 45, the turning plate 44 is horizontal again by the weight of the counterweight 45 after the rotating rod rotates reversely to release the pressure in the sealed tank 4. When the turning plate 44 is horizontal, the turning plate 44 is contacted with the inner wall of the sealing can 4, and the turning plate 44 is clamped by the contact friction force. The flap 44 blocks the internal passage of the seal pot 4 again, and pushes the piston rod 41 to rise after the air pressure rises again. By repeating the above-described manner, the piston rod 41 is vibrated up and down.
The sealing can 4 further comprises a connecting pipe 46, the connecting pipe 46 and the rotating rod 43 are located on the same axis, the end portion of the connecting pipe 46 penetrates through the sealing can 4 and is close to the outer sleeve 1, the rotating rod 43 is provided with a first hole 431, the connecting pipe 46 is provided with a second hole 461, the first hole 431 is perpendicular to the second hole 461 in space, the first hole 431 and the second hole 461 are overlapped when the rotating rod 43 is turned over for 90 degrees, and a plurality of springs 7 are welded between the outer sleeve 1 and the inner sleeve 2.
The turning plate 44 is pressed by air pressure to drive the rotating rod 43 to turn, the rotating rod 43 tilts to enable the air pressure to push the piston rod 41, meanwhile, when the rotating rod 43 turns to 90 degrees, the first hole 431 and the second hole 461 are inflated, subsequent air flow is sprayed out from the connecting pipe 46 to impact the outer sleeve 1, the outer sleeve 1 extrudes the spring 7 to vibrate back and forth, and after the turning plate turns to 90 degrees, the rotating rod 43 enables the second hole 461 of the connecting pipe 46 to be covered again.
The end of the connecting pipe 46 is welded with the bracket 24, and the bracket 24 is welded with the base 21.
This a basic building frame model antidetonation testing arrangement for timber structure building, through the bull stick 43, turn over board 44, balancing weight 45 cooperation, play the effect of 4 internal passages of shutoff seal pot, recycle air pump 5 toward aerify in the seal pot 4 and make 4 interior gas pressures of seal pot rise constantly and turn over board 44 promotion piston rod 41 and rise the striking and place platform 3 up to the back-off, then the release of atmospheric pressure from disappointing hole 47 makes piston rod 41 descend to the effect of vibration about realizing. Through the cooperation of the connecting tube 46, the rotating rod 43 and the spring 7, the inner sleeve 2 is vibrated horizontally. Thereby providing multiple vibration effects and further enabling the measurement of multiple realization data.
An elastic rope 22 is connected between the base 21 and the placing table 3. The lower end of the elastic rope 22 is fixedly bound with the base 21, and the upper end of the elastic rope 22 is fixedly bound with the placing table 3.
The left motor 14 is inlaid in the inner wall of the left side of the placing table 3, a first steel wire 141 is welded to a transmission shaft of the left motor 14, and the other end of the first steel wire 141 is welded to the left side of the cam 11. The right side inner wall of the placing table 3 is inlaid with a right motor 15, a transmission shaft of the right motor 15 is welded with a second steel wire 151, and the second steel wire 151 is welded with the right side of the cam 11.
An air pump II 13 is fixedly installed at the bottom of the inner wall of the placing table 3, the air pump II 13 is communicated with a hose 131, the air pump II 13 is communicated with an air cushion 12 through the hose 131, and the air cushion 12 is fixedly bonded with the bulge of the cam 11.
The cam 11 is used for driving the bearing plates 32 to fluctuate up and down to achieve a vibration effect, and the height of the protrusions of the cam 11 is changed through the cooperation of the air pump II 13 and the air cushion 12, so that the fluctuation height of the bearing plates 32 is changed. The fluctuation height of the bearing plate 32 is changed, so that vibration under various different conditions is realized, vibration conditions of different levels are simulated, and the applicability is improved.
Rubber blocks 8 are fixedly adhered to the top of the outer sleeve 1 at equal angles, and the rubber blocks 8 are used for protecting the inner sleeve 2 and preventing the inner sleeve 2 from being damaged due to violent impact with the outer sleeve 1.
To sum up, this a basic building frame model antidetonation testing arrangement for timber structure building through bull stick 43, turns over board 44, balancing weight 45 cooperation, plays the effect of 4 internal passages of shutoff seal pot, recycles air pump 5 and aerifys in toward seal pot 4 and makes 4 interior gas pressures of seal pot rise constantly and turn over board 44 and promote the ascending striking of piston rod 41 and place platform 3 up to the back-off, then atmospheric pressure makes piston rod 41 descend from the release of disappointing hole 47 to the effect of vibration about realizing. Through the cooperation of the connecting tube 46, the rotating rod 43 and the spring 7, the inner sleeve 2 is vibrated horizontally. Thereby providing multiple vibration effects and further enabling the measurement of multiple realization data.
Moreover, the cam 11 is used for driving the bearing plates 32 to move up and down to realize a vibration effect, and the height of the bulges of the cam 11 is changed through the matching of the air pump II 13 and the air cushion 12, so that the height of the fluctuation of the bearing plates 32 is changed. The fluctuation height of the bearing plate 32 is changed, so that vibration under various different conditions is realized, vibration conditions of different levels are simulated, and the applicability is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a basic building frame model antidetonation testing arrangement for timber structure building which characterized in that: the inner sleeve (2) is arranged in the outer sleeve (1), a slide way (23) is arranged on the inner side of the outer sleeve (1) at an equal angle around an axis, the placing table (3) is positioned above the inner sleeve (2), a slide way (31) is arranged on the outer wall of the placing table (3) at an equal angle around the axis, the slide way (31) is in sliding fit with the slide way (23), the bottom of the inner sleeve (2) is connected with a base (21), the sealing tank (4) is connected to the center of the base (21), a piston rod (41) is in sliding fit in the sealing tank (4), the upper end of the piston rod (41) vertically extends upwards to the outside of the sealing tank (4), and the piston rod (41) is used for jacking the placing table (3);
a rotating rod (43) is pivoted in the sealing tank (4), the rotating rod (43) is positioned below the piston rod (41), turning plates (44) are arranged on two sides of the rotating rod (43), a balancing weight (45) is connected to each turning plate (44), an air inlet (42) is formed in the bottom of the sealing tank (4), a pressure relief hole (47) is formed in the top of the sealing tank (4), a first air pump (5) is connected to one side of the outer sleeve (1), the lower end of the first air pump (5) penetrates through the outer sleeve (1) and is communicated with the air inlet (42), and a single chip microcomputer (6) for controlling the work of electronic parts is connected to one side of;
the turning plate (44) is abutted to the inner wall of the sealing tank (4), the turning plates (44) on two sides of the rotating rod (43) plug the inner channel of the sealing tank (4), air is filled into the sealing tank (4) continuously to enable air pressure to rise continuously, when the air pressure reaches a certain value, the air knocks the turning plates (44), the turning plates (44) drive the rotating rod (43) to turn over, meanwhile, the air pressure pushes the pressure relief holes (47) to rise to knock the placing table (3) and release from the pressure relief holes (47), the air pressure resets from the pressure relief holes (47) to release the rear piston rod (41), the turning plates (44) plug the inner channel of the sealing tank (4) again, and the piston rod (41) is pushed to rise after the air pressure rises again.
2. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 1, wherein: sealed pot (4) still include and link pipe (46), link pipe (46) and bull stick (43) are in same axis, link pipe (46) tip runs through sealed pot (4) and is close to outer sleeve (1), hole (431) have been seted up in bull stick (43), hole two (461) have been seted up in link pipe (46), hole one (431) and hole two (461) space are perpendicular, hole one (431) overlaps with hole two (461) when bull stick (43) upset 90, be connected with a plurality of springs (7) between outer sleeve (1) and inner sleeve (2).
3. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 2, wherein: the turnover plate (44) is pressed by an air pressure to drive the rotating rod (43) to turn, the rotating rod (43) inclines to enable the air pressure to push the piston rod (41), meanwhile, when the rotating rod (43) turns to 90 degrees, the hole I (431) and the hole II (461) are inflated, subsequent air flow is sprayed out from the connecting pipe (46) to impact the outer sleeve (1), the outer sleeve (1) extrudes the spring (7) to vibrate back and forth, and after the turnover is carried out for 90 degrees, the rotating rod (43) covers the hole II (461) of the connecting pipe (46) again.
4. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 3, wherein: the end part of the connecting pipe (46) is connected with a bracket (24), and the bracket (24) is connected with the base (21).
5. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 1, wherein: an elastic rope (22) is connected between the base (21) and the placing table (3).
6. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 3, wherein: place the inside cavity of platform (3), place platform (3) top sliding fit has a plurality of holding piece (32), holding piece (32) slide along the vertical direction, be equipped with horizontal pole (10) in placing platform (3), thread groove (101) have been seted up on horizontal pole (10) surface, horizontal pole (10) have cam (11) through thread groove (101) sliding fit, it inlays and has left motor (14) to place platform (3) left side inner wall, be connected with steel wire (141) between left side motor (14) transmission shaft and cam (11) left side, it inlays and has right motor (15) to place platform (3) right side inner wall, be connected with steel wire two (151) between right motor (15) transmission shaft and cam (11) right side, cam (11) remove the in-process and will hold piece (32) jack-up.
7. A foundation building frame model earthquake-resistance testing device for a wooden structure building according to claim 6, characterized in that: the bottom of the inner wall of the placing table (3) is connected with a second air pump (13), the second air pump (13) is connected with a flexible leather hose (131), the second air pump (13) is connected with an air cushion (12) through the flexible leather hose (131), and the air cushion (12) is located at the protruding part of the cam (11).
8. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 1, wherein: the two sides of the outer sleeve (1) are respectively inserted with a connecting block (9), and the connecting blocks (9) are connected with the end parts of the cross rods (10).
9. A basic building frame model earthquake-resistance test device for a wooden structure building according to claim 1, wherein: the rubber blocks (8) are arranged at the tops of the outer sleeves (1) at equal angles, and the rubber blocks (8) are used for protecting the inner sleeves (2).
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| CN202010959942.8A CN112067221B (en) | 2020-09-14 | 2020-09-14 | A basic building frame model antidetonation testing arrangement for timber structure building |
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| CN202010959942.8A CN112067221B (en) | 2020-09-14 | 2020-09-14 | A basic building frame model antidetonation testing arrangement for timber structure building |
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| CN113190891A (en) * | 2021-02-10 | 2021-07-30 | 国机集团科学技术研究院有限公司 | Evaluation test method for damage and vibration resistance of historic building timber structure |
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| CN117168742B (en) * | 2023-11-03 | 2024-02-13 | 云南平皓建设检测鉴定有限公司 | Anti-seismic detection device and detection method for house building |
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