CN116608903B - Stress detection equipment for building shear wall - Google Patents
Stress detection equipment for building shear wall Download PDFInfo
- Publication number
- CN116608903B CN116608903B CN202310874672.4A CN202310874672A CN116608903B CN 116608903 B CN116608903 B CN 116608903B CN 202310874672 A CN202310874672 A CN 202310874672A CN 116608903 B CN116608903 B CN 116608903B
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- base
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- shear wall
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 230000005284 excitation Effects 0.000 claims abstract description 14
- 238000010030 laminating Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses stress detection equipment for a shear wall of a building, which relates to the technical field of stress detection for the shear wall, and comprises a support component for supporting the stress detection equipment to ensure stability of the stress detection equipment, wherein the support component is fixed through a support frame when the stress detection equipment is used for moving on the ground, the support component can be fixed on the shear wall and can detect the thickness and internal damage of the shear wall, an excitation component for applying force to the shear wall is arranged on the support component, the excitation component is provided with a multidirectional movable electromagnetic exciter, and whether the excitation effects on different positions are consistent or not is verified through multi-position contact with the wall, so that the stress detection accuracy of the shear wall is improved.
Description
Technical Field
The invention relates to the technical field of shear wall stress detection, in particular to a building shear wall stress detection device.
Background
The shear wall is also called an anti-wind wall, an anti-seismic wall or a structural wall, the shear wall is subjected to targeted reinforcement construction, the construction effect can be affected, and in order to know whether the quality grade of the shear wall structure meets the standard in real time, the shear wall needs to be subjected to omnibearing quality identification regularly.
The Chinese patent of the invention with publication number of CN115046530A discloses engineering quality detection equipment applied to stress detection of a building shear wall, the device is matched with a pressure sensor through a fixed transverse column and an installation vertical column which are arranged, so that verticality detection of the shear walls with different specifications is realized, and meanwhile, the device is convenient to carry, but the device cannot dynamically detect the shear walls, and the device cannot be effectively fixed.
Disclosure of Invention
In view of the problems in the prior art, the invention provides a stress detection device for a building shear wall.
Aiming at the technical problems, the invention adopts the following technical scheme: the utility model provides a building shear force wall atress check out test set, includes supporting component, supporting component on be provided with excitation subassembly, supporting component include the base, the base on be provided with fixed establishment, appearance and laminating board, laminating board and base sliding connection, laminating board and shear force wall laminating, the base lower extreme slide and be provided with the sliding block, the sliding block on slide and be provided with the pick-up plate, the pick-up plate detect wall thickness, excitation subassembly include adjustment mechanism and slidable mounting crane on the carriage, the crane sliding be provided with electromagnetic exciter, electromagnetic exciter and wall laminating.
Further, fixed establishment include the rotating turret of rotation installation on the base, the rotating turret on be provided with the electric jar, the expansion end of electric jar is provided with the backup pad, backup pad and ground laminating.
Further, a plurality of groups of rotating wheels are slidably arranged in the base, the rotating wheels are contacted with the ground to drive the base to move during moving, and the rotating wheels are retracted into the base during fixing.
Further, laminating board and base between be provided with the spring, the one side of laminating board and wall be provided with multiunit contact sensor, the laminating board detects whether the shear force wall warp.
Further, the clamping plate is arranged on the detection plate in a sliding manner, the shearing wall is clamped by the clamping plate and the detection plate, the thickness of the shearing wall is detected, and meanwhile the clamping plate and the detection plate are fixed on the shearing wall, and the clamping plate is fixed through a nut.
Further, adjustment mechanism including rotate knob second and the rotor plate of installing on the base, the slip post rotates with knob second to be connected, slip post and base sliding connection, the slip post on rotate and be provided with rack first, the rack first and the base sliding connection of examination, knob second and rotor plate be connected, the rotor plate on slide and be provided with the actuating lever, actuating lever and electromagnetic exciter rotate to be connected.
Further, a limiting block is arranged on the second knob, a groove is arranged on the sliding column, and the excitation component supporting component slides in the groove of the sliding column.
Compared with the prior art, the invention has the beneficial effects that: the supporting component provided by the invention can keep accurate and reliable contact and force application in the test process, and provides consistent test results, meanwhile, the supporting component is beneficial to comprehensively knowing the stress performance of the wall body by arranging the multidirectional adjustable electromagnetic exciter to be attached to a plurality of positions of the wall surface, finding out the existing weaknesses or abnormal conditions, verifying whether the excitation effects at different positions are consistent, and if the response obtained at a certain position is obviously different from that at other positions, the structural problem or local damage at the position can be caused.
Drawings
Fig. 1 is a left side view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
FIG. 3 is a schematic view of a support assembly according to the present invention.
Fig. 4 is a schematic view of a partial structure of the support assembly according to the present invention.
FIG. 5 is a schematic view of the installation positions of the sliding block and the detecting plate according to the present invention.
FIG. 6 is a schematic view of the structure of the exciting assembly of the present invention.
FIG. 7 is a schematic view of a partial structure of an excitation assembly according to the present invention.
Fig. 8 is an enlarged schematic view of the structure a in fig. 7.
Reference numerals: 1-a support assembly; 2-energizing the assembly; 101-a base; 102-rotating frame; 103-electric cylinder; 104-a support plate; 105-a carriage; 106, flaw detector; 107-bonding plates; 108-rotating a wheel; 109-a slider; 110-detecting plate; 111-springs; 112-clamping plate; 113-a nut; 201-knob one; 202-a second knob; 203-sliding column; 204-gear one; 205-rack one; 206-an electromagnetic actuator; 207-lifting frame; 208-driving rod; 209-rack two; 210-gear two; 211-rotating plates; 212-limiting blocks; 213-connecting rods; 215-rotating the lever.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 8, a stress detection device for a building shear wall comprises a support component 1 for supporting the shear wall, wherein the support component 1 is used for guaranteeing stability of the shear wall, the thickness and internal damage of the shear wall are detected by the support component 1, an excitation component 2 is arranged on the support component 1, and dynamic forces are applied to a plurality of positions of the shear wall by the excitation component 2.
The support assembly 1 comprises a base 101, a rotating frame 102 is rotatably arranged at one end of the base 101, an electric cylinder 103 is arranged on the rotating frame 102, a supporting plate 104 is rotatably arranged at the movable end of the electric cylinder 103, the supporting plate 104 is contacted with the ground, an attaching plate 107 is slidably arranged at the other end of the base 101, a spring 111 is arranged between the attaching plate 107 and the base 101, a plurality of groups of contact sensors are arranged on the surface of the attaching plate 107 attached to the shear wall, when the attaching plate 107 is attached to the shear wall, the contact sensors on the attaching plate 107 detect whether the shear wall surface deforms, a sliding frame 105 is arranged at the upper end of the base 101, a plurality of groups of rotating wheels 108 are slidably arranged at the lower end of the base 101, when the base 101 needs to move, the rotating wheels 108 are contacted with the ground, the rotating wheels 108 drive the base 101 to move, when the base 101 needs to be fixed, the rotating wheels 108 are retracted into the base 101, sliding blocks 109 are slidably arranged at the lower end of the base 101, the sliding block 109 is intermittently fixed at the lower end of the base 101, the sliding block 109 is provided with a detection plate 110 in a sliding manner, the detection plate 110 is provided with a linear motor, the detection plate 110 slides on the sliding block 109 through the linear motor, the detection plate 110 is provided with a clamping plate 112 in a sliding manner, the clamping plate 112 is fixed on the detection plate 110 through a nut 113, the clamping plate 112 and the detection plate 110 clamp the side face of the shear wall, the clamping plate 112 and the detection plate 110 clamp the thickness of the shear wall, the detection plate 110 and the clamping plate 112 are fixed on the shear wall, when the shear wall is required to be detected, the position of the sliding block 109 is adjusted, the sliding block 109 drives the detection plate 110 to move, the detection plate 110 moves through the linear motor, the shear wall is inserted between the detection plate 110 and the clamping plate 112, the nut 113 drives the clamping plate 112 to move on the detection plate 110, the clamping plate 112 and the detection plate 110 clamp the shear wall, the thickness of the shear wall is judged through the distance between the clamping plate 112 and the detection plate 110, when the nut 113 is screwed down, the clamping plate 112 and the detection plate 110 are fixed on the side edge of the shear wall, the base 101 is driven to move through the rotating wheel 108, the base 101 drives the bonding plate 107 to be bonded with the wall surface of the shear wall, meanwhile, the bonding plate 107 presses the spring 111, the bonding plate 107 detects whether the surface of the shear wall deforms through the contact sensor, the rotating wheel 108 is retracted into the base 101, then the rotating frame 102 is rotated, the rotating frame 102 drives the electric cylinder 103 to rotate, the electric cylinder 103 is started, the electric cylinder 103 drives the supporting plate 104 to be in contact with the ground, when a fixed object is arranged at the rear end of the supporting plate 104, the supporting plate 104 can be driven by the electric cylinder 103 to be bonded with the fixed object at the rear end, the supporting plate 104 is in contact with the ground, the fixing of the base 101 is achieved at the moment, the flaw detector 106 is slidably mounted on the side edge of the base 101, the flaw detector 106 is provided with a linear motor, and the flaw detector 106 slides on the base 101 through the linear motor.
The excitation assembly 2 comprises a knob II 202, a knob I201 and a rotating plate 211 which are rotatably arranged on the base 101, wherein a sliding column 203 is slidably arranged on the knob II 202, the sliding column 203 is in sliding connection with the base 101, a rack I205 is rotatably arranged on the sliding column 203, the rack I205 is slidably arranged on the knob I201, the knob I201 is arranged on a rotating shaft of the knob I201, the knob I201 is meshed with the rack I205, the knob II 202 is connected with the rotating plate 211, a groove is arranged on the sliding column 203, a limiting block 212 is arranged on the knob II 202, the limiting block 212 slides in the groove of the sliding column 203, a connecting rod 213 is rotatably arranged on the sliding column 203, a driving rod 208 is slidably arranged on the rotating plate 211, a rack II 209 is arranged on the driving rod 208, a gear II 210 is rotatably arranged on the rotating plate 211, the gear II 210 is meshed with the rack II 209, a rotating rod 215 is arranged on the rotating shaft of the gear II 210, the rotating rod 215 is rotationally connected with the connecting rod 213, the electromagnetic exciter 206 is rotationally arranged on the driving rod 208, the electromagnetic exciter 206 slides on the lifting frame 207, the lifting frame 207 is slidingly arranged in the sliding frame 105, when the knob II 202 is rotated, the knob II 202 drives the sliding column 203 to synchronously rotate with the rotating plate 211, when the rotating plate 211 is rotated, the driving rod 208 is driven to rotate, the driving rod 208 drives the electromagnetic exciter 206 to slide left and right on the lifting frame 207, meanwhile, the lifting frame 207 slides on the sliding frame 105 in a small amplitude manner, when the knob I201 is rotated, the knob I201 drives the gear I204 to rotate, the gear I204 drives the rack I205 to slide on the base 101, the rack I205 drives the sliding column 203 to slide on the base 101, meanwhile, the limiting block 212 slides in the groove of the sliding column 203, when the sliding column 203 moves, the connecting rod 213 is driven by the rotating rod 215 to rotate the gear II 210, the second gear 210 drives the second rack 209 to move, the second rack 209 drives the driving rod 208 to move, and the driving rod 208 drives the lifting frame 207 to slide in the sliding frame 105, so as to adjust the position of the electromagnetic exciter 206.
Working principle: during operation, detection instruments such as an accelerometer, a strain gauge, a pressure sensor, an acoustic sensor and the like are installed on a wall body, then the base 101 is driven to move through the rotating wheel 108, the base 101 drives the bonding plate 107 to be bonded with the shear wall surface, meanwhile, the bonding plate 107 presses the spring 111, the bonding plate 107 detects whether the shear wall surface is deformed through the contact sensor, the rotating wheel 108 is retracted into the base 101, then the rotating frame 102 is rotated, the rotating frame 102 drives the electric cylinder 103 to rotate, the electric cylinder 103 drives the supporting plate 104 to be in contact with the ground, when a fixed object is arranged at the rear end of the supporting plate 104, the supporting plate 104 can be driven to be bonded with the fixed object at the rear end through the electric cylinder 103, the supporting plate 104 is supported, when the rear end of the supporting plate 104 is not provided with the fixed object, the supporting plate 104 is supported on the base 101 through the contact with the ground, the fixing of the base 101 is completed at the moment, the flaw detector 106 is slidably installed on the side of the base 101, and the flaw detector 106 slides on the base 101 through a linear motor to detect damage inside the wall body.
When the thickness of the shear wall to be detected needs to be detected, the position of the sliding block 109 is adjusted, the sliding block 109 drives the detection plate 110 to move, the detection plate 110 moves through the linear motor, the shear wall is inserted between the detection plate 110 and the clamping plate 112, the nut 113 is screwed, the nut 113 drives the clamping plate 112 to move on the detection plate 110, the clamping plate 112 and the detection plate 110 clamp the shear wall, the thickness of the shear wall is judged through the distance between the clamping plate 112 and the detection plate 110, and meanwhile, when the nut 113 is screwed down, the clamping plate 112 and the detection plate 110 are fixed on the side edge of the shear wall.
When the detection point is determined, the knob two 202 is rotated, the knob two 202 drives the sliding column 203 to rotate synchronously with the rotating plate 211, the rotating plate 211 drives the driving rod 208 to rotate when rotating, the driving rod 208 drives the electromagnetic exciter 206 to slide left and right on the lifting frame 207, meanwhile, the lifting frame 207 slides on the sliding frame 105 in a small amplitude, the knob one 201 is rotated, the knob one 201 drives the gear one 204 to rotate, the gear one 204 drives the rack one 205 to slide on the base 101, the rack one 205 drives the sliding column 203 to slide on the base 101, meanwhile, the limiting block 212 slides in the groove of the sliding column 203, the connecting rod 213 is driven to move when the sliding column 203 moves, the connecting rod 213 drives the gear two 210 to rotate through the rotating rod 215, the gear two 210 drives the rack two 209 to move, the driving rod 208 is driven by the driving rod 208 to slide in the lifting frame 207, the position of the electromagnetic exciter 206 is adjusted to the detection point, and the electromagnetic exciter 206 is started to apply power to the wall.
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.
Claims (4)
1. The utility model provides a building shear force wall body atress check out test set, includes supporting component (1), its characterized in that: the utility model provides a support component (1) on be provided with excitation subassembly (2), support component (1) include base (101), base (101) on be provided with fixture, fault detector (106) and laminating board (107), laminating board (107) and base (101) sliding connection, base (101) drive laminating board (107) and shear force wall laminating, laminating board (107) and base (101) between be provided with spring (111), one side that laminating board (107) and wall laminated be provided with multiunit contact sensor, laminating board (107) squeeze spring (111), laminating board (107) detects whether shear force wall surface takes place to warp through contact sensor, laminating board (107) detects shear force wall whether warp, base (101) lower extreme sliding connection be provided with slider (109), slider (109) on sliding connection be provided with detection board (110), detection board (110) detect wall thickness, detection board (110) on sliding connection be provided with grip block (112) and shear force wall thickness detection board (112) are fixed through grip block (112) and shear force detection board (110), the nut (113) drives the clamping plate (112) to move on the detection plate (110), and the thickness of the shear wall is judged through the distance between the clamping plate (112) and the detection plate (110);
the excitation assembly (2) comprises an adjusting mechanism and a lifting frame (207) which is slidably arranged on a sliding frame (105), an electromagnetic exciter (206) is slidably arranged on the lifting frame (207), the electromagnetic exciter (206) is attached to a wall surface, the adjusting mechanism comprises a knob II (202) and a rotating plate (211) which are rotatably arranged on a base (101), a sliding column (203) is rotatably connected with the knob II (202), the sliding column (203) is slidably connected with the base (101), a rack I (205) is rotatably arranged on the sliding column (203), the rack I (205) is slidably connected with the base (101), the knob II (202) is connected with the rotating plate (211), a driving rod (208) is slidably arranged on the rotating plate (211), the driving rod (208) is rotatably connected with the electromagnetic exciter (206), the position of the electromagnetic exciter (206) is adjusted to a detection point, and the electromagnetic exciter (206) is started to apply power to the wall body.
2. The building shear wall stress detection device according to claim 1, wherein: the fixed mechanism comprises a rotating frame (102) rotatably arranged on a base (101), an electric cylinder (103) is arranged on the rotating frame (102), a supporting plate (104) is arranged at the movable end of the electric cylinder (103), and the supporting plate (104) is attached to the ground.
3. The building shear wall stress detection device according to claim 2, wherein: the base (101) is slidably provided with a plurality of groups of rotating wheels (108), the rotating wheels (108) are contacted with the ground to drive the base (101) to move during moving, and the rotating wheels (108) are retracted into the base (101) during fixing.
4. The building shear wall stress detection device according to claim 1, wherein: the knob II (202) is provided with a limiting block (212), the sliding column (203) is provided with a groove, and the excitation component (2) supporting component (1) slides in the groove of the sliding column (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310874672.4A CN116608903B (en) | 2023-07-17 | 2023-07-17 | Stress detection equipment for building shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310874672.4A CN116608903B (en) | 2023-07-17 | 2023-07-17 | Stress detection equipment for building shear wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116608903A CN116608903A (en) | 2023-08-18 |
| CN116608903B true CN116608903B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310874672.4A Active CN116608903B (en) | 2023-07-17 | 2023-07-17 | Stress detection equipment for building shear wall |
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| Country | Link |
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| CN (1) | CN116608903B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049423A (en) * | 2021-03-12 | 2021-06-29 | 清华大学 | Double-steel-plate shear wall detection system and method based on laser Doppler effect |
| CN113075057A (en) * | 2021-02-21 | 2021-07-06 | 朱海水 | Steel structure loading force test model for micro-frame shear wall |
| CN113295153A (en) * | 2021-05-19 | 2021-08-24 | 重庆凯洲实业集团有限公司 | Engineering quality detection equipment applied to stress detection of building shear wall |
| CN113702431A (en) * | 2021-08-27 | 2021-11-26 | 中铁建设集团有限公司 | Nondestructive testing system and method for prefabricated shell-concrete combined shear wall |
| CN115046530A (en) * | 2022-06-07 | 2022-09-13 | 重庆凯洲实业集团有限公司 | Engineering quality detection equipment applied to stress detection of building shear wall |
| CN115078125A (en) * | 2022-07-29 | 2022-09-20 | 兰天 | Testing device for stress design of house building structure |
-
2023
- 2023-07-17 CN CN202310874672.4A patent/CN116608903B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075057A (en) * | 2021-02-21 | 2021-07-06 | 朱海水 | Steel structure loading force test model for micro-frame shear wall |
| CN113049423A (en) * | 2021-03-12 | 2021-06-29 | 清华大学 | Double-steel-plate shear wall detection system and method based on laser Doppler effect |
| CN113295153A (en) * | 2021-05-19 | 2021-08-24 | 重庆凯洲实业集团有限公司 | Engineering quality detection equipment applied to stress detection of building shear wall |
| CN113702431A (en) * | 2021-08-27 | 2021-11-26 | 中铁建设集团有限公司 | Nondestructive testing system and method for prefabricated shell-concrete combined shear wall |
| CN115046530A (en) * | 2022-06-07 | 2022-09-13 | 重庆凯洲实业集团有限公司 | Engineering quality detection equipment applied to stress detection of building shear wall |
| CN115078125A (en) * | 2022-07-29 | 2022-09-20 | 兰天 | Testing device for stress design of house building structure |
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| Publication number | Publication date |
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| CN116608903A (en) | 2023-08-18 |
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