CN114414181A - A modularization experimental apparatus for civil engineering structure dynamic and static test - Google Patents
A modularization experimental apparatus for civil engineering structure dynamic and static test Download PDFInfo
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- CN114414181A CN114414181A CN202210080992.8A CN202210080992A CN114414181A CN 114414181 A CN114414181 A CN 114414181A CN 202210080992 A CN202210080992 A CN 202210080992A CN 114414181 A CN114414181 A CN 114414181A
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0008—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of bridges
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
Abstract
The invention discloses a modularized experiment device for testing the dynamic state and the static state of a civil engineering structure, which comprises an experiment working table, an experiment structure module and a data acquisition and analysis system, wherein the experiment structure module is arranged on the experiment working table through a spherical support, the experiment working table is provided with a vibration device, the vibration device is detachably connected with the experiment structure module, a test trolley is placed on the experiment working table, the upper end of the test trolley is provided with a loading groove, the experiment working table is provided with a power traction mechanism capable of driving the test trolley to move left and right, the lower end of the experiment structure module is provided with a plurality of movable hooks, various detection elements are arranged on the experiment working table and the experiment structure module, and the detection elements are electrically connected with the data acquisition and analysis system. The invention can carry out structural static force loading test, dynamic force loading test, bridge deck transverse coefficient test and moving load test on the test structure module, meets simulation experiments with different requirements, and has strong applicability.
Description
Technical Field
The invention relates to the technical field of building experiment equipment, in particular to a modularized experiment device for testing dynamic and static states of a civil engineering structure.
Background
With the progress of society, people go out more and more conveniently, and when providing convenience for people, the bridge plays an irreplaceable role. After bridge structural design accomplishes, need make the model and carry out the simulation experiment, the simulation is under natural environment, and this structure can produce how deformation and damage to the invasion and attack of plus load to this bearing capacity and the antidetonation effect of assessing this structure, the better optimization and the improvement of being convenient for, and this also is the process that students need study and experiment, but current experimental apparatus simple structure can not carry out the simulation experiment to different demands, and the suitability is poor.
Disclosure of Invention
The invention aims to provide a modular experimental device for testing dynamic and static states of a civil engineering structure, which can perform a structural static force loading test, a dynamic force loading test, a bridge deck transverse coefficient test and a moving load test on a test structure module, meets simulation experiments with different requirements and has strong applicability.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a modularization experimental apparatus for civil engineering structure dynamic and static test, includes laboratory bench, experimental structure module and data acquisition analytic system, experimental structure module pass through the ball-type support install in on the laboratory bench, be equipped with vibrator on the laboratory bench, vibrator can dismantle connect in experimental structure module, experimental dolly has been placed on the laboratory bench, the objective groove has been seted up to experimental dolly's upper end, be equipped with on the laboratory bench and drive the power drive mechanism that removes about experimental dolly, experimental structure module's lower extreme is equipped with a plurality of mobilizable couples, all install various detecting element on laboratory bench and the experimental structure module, detecting element all electricity link in data acquisition analytic system.
The invention is further provided with: the test structure module comprises a bridge deck and a space truss, the bridge deck is arranged in the space truss, the space truss comprises two plane trusses, a plurality of support rods and a plurality of reinforcing rods, the two plane trusses are symmetrically arranged, the support rods are arranged at the lower ends between the two plane trusses, the bridge deck is arranged on the support rods, the reinforcing rods are arranged between the two plane trusses, the lower ends of the plane trusses are provided with first limiting grooves which are in left-right directions and are in inverted convex shapes, each hook comprises a first limiting block, a first screw rod, a first handle and a hook body, the first limiting block is arranged in the first limiting groove, the first limiting block is in sliding fit with the first limiting groove, the first screw rod is vertically inserted into the first limiting groove and connected with the first limiting block, and the first handle is in threaded connection with the first screw rod, the hook body is connected to the lower end of the first screw rod.
The invention is further provided with: the experiment workbench comprises a support frame, a first support plate, a second support plate, a first measuring support, a second measuring support, a mounting plate and a plurality of universal wheels, wherein the support frame is approximately H-shaped, the first measuring support and the second measuring support are respectively arranged at the front side and the rear side of the upper end of the support frame, the first support plate and the second support plate are parallel to each other and are respectively arranged between the first measuring support and the second measuring support, the front end and the rear end of the first support plate and the rear end of the second support plate are respectively connected with the first measuring support and the second measuring support in a sliding way, the first support plate and the second support plate can slide left and right, first sliding grooves are respectively arranged on the first measuring support and the second measuring support, two first locking knobs respectively connected with the first support plate and the second support plate are arranged in the first sliding grooves, first backup pad and second backup pad pass through the ball-type support connect in test structure module, the mounting panel is located the below of first backup pad, set up around the mounting panel and both ends sliding connection in the support frame, be equipped with the second spout on the support frame, be equipped with in the second spout connect in the second locking knob of support frame, vibrator locates on the mounting panel, the universal wheel is located the lower extreme of support frame.
The invention is further provided with: the lower extreme of bracing piece is seted up around the orientation and is the second spacing groove of "protruding" style of calligraphy of falling, vibrator includes vibration exciter, sliding ring, adjust knob, second screw rod, second stopper and second handle, the sliding ring is located the lower extreme of vibration exciter, sliding ring and mounting panel sliding fit, adjust knob locates on the sliding ring, the second screw rod vertical connect in the output shaft of vibration exciter, the upper end of second screw rod connect in the second stopper, second stopper sliding connection in the second spacing groove, second handle threaded connection in the second screw rod.
The invention is further provided with: the detecting element comprises a displacement sensor, an acceleration sensor, a speed sensor, a strain gauge and an infrared sensor, wherein the displacement sensor, the acceleration sensor, the speed sensor and the strain gauge are all arranged on the test structure module, and the infrared sensor is detachably mounted on the first measuring support and the second measuring support.
The invention is further provided with: infrared ray sensor through adjust the support install in on first measurement support and the second measurement support, it includes holder, pole setting, telescopic link and mounting bar to adjust the support, but the holder centre gripping is on first measurement support and second measurement support, the pole setting is vertical to be located the top of holder, the telescopic link connect in perpendicularly in the upper end of pole setting, the other end orientation of telescopic link experimental structure module, the one end of mounting bar rotate connect in the telescopic link, infrared ray sensor sliding connection in the mounting bar is kept away from one side of telescopic link.
The invention is further provided with: the power traction mechanism comprises a fixed plate, a rotating motor, a roller, a fixed pulley, a fixed strip and a rope body, wherein the fixed plate and the fixed strip are arranged at the left end and the right end of the support frame, the fixed strip is arranged above the fixed plate, the rotating motor is arranged on the support frame, the roller is connected with an output shaft of the rotating motor, one end of the rope body is fixed on the roller, the fixed pulley is arranged on the fixed strip, and the other end of the rope body penetrates through the fixed pulley and then is detachably connected with the trolley in a test mode.
The invention is further provided with: and a movable deceleration pad is paved on the bridge floor.
In conclusion, the invention has the following beneficial effects:
firstly, the invention can carry out structural static force loading test, dynamic force loading test, bridge deck transverse coefficient test and moving load test on the test structure module, meets simulation experiments with different requirements, and has strong applicability.
Secondly, the vibration device can move left and right and back and forth so as to deal with different structural test structural modules and facilitate the dynamic loading test at different positions of the test structural modules.
Thirdly, the hook can be fixed after moving left and right, static force loading experiments are carried out on different positions of the test structure module, and the experiments are convenient to carry out.
The first supporting plate and the second supporting plate can slide left and right and are fixed through the first locking knob, and the test structure modules with different lengths can be tested by adjusting the positions of the first supporting plate and the second supporting plate.
The adjusting bracket can adjust the position of the infrared sensor, help the infrared sensor to extend into the test structure module, and be installed at the motion starting point and the motion terminal point of the test trolley, so that the motion state of the test trolley can be conveniently detected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a partial planer view of the first locking knob of the present invention;
FIG. 4 is a partial cross-sectional view of a second retaining groove of the present invention;
fig. 5 is a partial cross-sectional view at a second locking knob of the present invention.
In the figure: 1. an experiment working table; 11. a support frame; 111. a universal wheel; 112. mounting a plate; 12. a first support plate; 13. a second support plate; 14. a first measurement support; 15. a second measurement support; 16. a first chute; 17. a first locking knob; 18. a second chute; 19. a second locking knob; 2. a test structure module; 21. a bridge deck; 22. a planar truss; 221. a first limit groove; 23. a support bar; 231. a second limit groove; 24. a reinforcing bar; 3. a spherical support; 41. a vibration exciter; 42. a slip ring; 43. adjusting a knob; 44. a second screw; 45. a second limiting block; 46. a second handle; 5. a test trolley; 61. a fixing plate; 62. rotating the motor; 63. a drum; 64. a fixed pulley; 65. a fixing strip; 66. a rope body; 7. hooking; 71. a first stopper; 72. a first screw; 73. a first handle; 74. a hook body; 8. an infrared sensor; 91. a clamping member; 92. erecting a rod; 93. a telescopic rod; 94. mounting a bar; 10. a deceleration pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
An embodiment, a modularization experimental apparatus for civil engineering structure sound test, as shown in fig. 1 to 5, including laboratory bench 1, experimental structure module 2 and data acquisition analytic system, experimental structure module 2 is installed on laboratory bench 1 through ball-type support 3, be equipped with vibrator on laboratory bench 1, vibrator can dismantle to be connected in experimental structure module 2, experimental dolly 5 has been placed on laboratory bench 1, the objective groove has been seted up to experimental dolly 5's upper end, be equipped with on laboratory bench 1 and drive the power drive mechanism that removes about experimental dolly 5, the lower extreme of experimental structure module is equipped with a plurality of mobilizable couples 7, all install various detecting element on laboratory bench 1 and the experimental structure module 2, detecting element all electricity is connected in data acquisition analytic system.
In detail, the test structure module 2 is erected on the test workbench 1 and is fixed through the spherical support 3, so that the test structure module 2 is ensured to be kept in a horizontal state, and the vibration device vibration test structure module 2 can perform a power loading test according to the test requirement to perform basic power parameter test and damage identification on the test structure model; different weights are placed in a carrying groove in the test trolley 5, and the test trolley 5 moves forwards and backwards through a power traction mechanism, so that the bridge deck 21 transverse coefficient test and the moving load test can be performed on the test structure model; hanging the weight on the couple 7 of different positions on experimental structure module 2, being convenient for carry out the static loading experiment to experimental structure module 2, and during the experiment, the produced deformation of experimental structure module 2 and damage, the motion state of experimental dolly 5 on experimental structure module 2 all can detect through detecting element to turn into data transmission to data acquisition analytic system with it in, the experimental result analysis and the structural model optimization in the later stage of being convenient for.
Preferably, the test structure module 2 comprises a bridge deck 21 and a space truss, the bridge deck 21 is arranged in the space truss, the space truss comprises two plane trusses 22, a plurality of support rods 23 and a plurality of reinforcing rods 24, the two plane trusses 22 are symmetrically arranged, the support rods 23 are arranged at the lower end between the two plane trusses 22, the bridge deck 21 is arranged on the support rods 23, the reinforcing rods 24 are arranged between the two plane trusses 22, the lower end of the plane truss 22 is provided with a first limiting groove 221 which faces left and right and is in an inverted 'convex' shape, the hook 7 comprises a first limiting block 71, the first screw 72, the first handle 73 and the hook 74, the first limit block 71 is disposed in the first limit groove 221, the first limit block 71 is in sliding fit with the first limit groove 221, the first screw 72 is vertically inserted into the first limit groove 221 and connected to the first limit block 71, the first handle 73 is in threaded connection with the first screw 72, and the hook 74 is connected to the lower end of the first screw 72.
In detail, the test structure module 2 is a truss structure, the hook 7 moves left and right in the first limit groove 221 through the first limit block 71 when moving, when the test position is moved, the first handle 73 can be rotated to fix the hook 7, weights or weights are hung on the hook body 74 to perform static loading test, and of course, a single plane truss 22 can be taken out to perform static loading test, and the simple test structure is convenient for students to learn and understand.
Preferably, the experiment working table 1 comprises a supporting frame 11, a first supporting plate 12, a second supporting plate 13, a first measuring support 14, a second measuring support 15, a mounting plate 112 and a plurality of universal wheels 111, wherein the supporting frame 11 is approximately H-shaped, the first measuring support 14 and the second measuring support 15 are respectively arranged at the front side and the rear side of the upper end of the supporting frame 11, the first supporting plate 12 and the second supporting plate 13 are parallel to each other and are respectively arranged between the first measuring support 14 and the second measuring support 15, the front end and the rear end of the first supporting plate 12 and the front end and the rear end of the second supporting plate 13 are respectively connected with the first measuring support 14 and the second measuring support 15 in a sliding manner, the first supporting plate 12 and the second supporting plate 13 can slide left and right, a first sliding groove 16 is respectively arranged on the first measuring support 14 and the second measuring support 15, two first locking knobs 17 respectively connected with the first supporting plate 12 and the second supporting plate 13 are arranged in the first sliding groove 16, first backup pad 12 and second backup pad 13 are connected in experimental structure module 2 through ball-type support 3, and the below of first backup pad 12 is located to mounting panel 112, and mounting panel 112 sets up around and both ends sliding connection in support frame 11, is equipped with second spout 18 on the support frame 11, is equipped with in the second spout 18 to connect in the second locking knob 19 of support frame 11, and on vibrating device located mounting panel 112, the lower extreme of support frame 11 was located to universal wheel 111.
In detail, the first support plate 12 and the second support plate 13 can slide left and right and are fixed through the first locking knob 17, and the test structure modules 2 with different lengths can be tested by adjusting the positions of the first support plate 12 and the second support plate 13; the mounting plate 112 can slide left and right and is fixed through the second locking knob 19, and the position of the vibration device can be adjusted left and right according to the position of the test structure module 2 by adjusting the position of the mounting plate 112, so that a power loading test is facilitated; and the universal wheels 111 facilitate the movement of the device.
Preferably, the lower end of the supporting rod 23 is provided with a second limiting groove 231 which faces forward and backward and is in an inverted convex shape, the vibration device comprises a vibration exciter 41, a slip ring 42, an adjusting knob 43, a second screw 44, a second limiting block 45 and a second handle 46, the slip ring 42 is arranged at the lower end of the vibration exciter 41, the slip ring 42 is in sliding fit with the mounting plate 112, the adjusting knob 43 is arranged on the slip ring 42, the second screw 44 is vertically connected to an output shaft of the vibration exciter 41, the upper end of the second screw 44 is connected to the second limiting block 45, the second limiting block 45 is in sliding connection with the second limiting groove 231, and the second handle 46 is in threaded connection with the second screw 44.
In detail, the slip ring 42 can slide back and forth and is fixed by the adjusting knob 43, and the vibration exciter 41 is connected to the second limiting block 45 through the second screw 44, the second limiting block 45 and the second handle 46, so that the position of the vibration exciter 41 can be conveniently adjusted back and forth, different positions of the test structure module 2 can be vibrated, and a dynamic loading test can be conveniently performed.
It should be further noted that the first limiting groove 221, the second limiting groove 231, the first limiting block 71 and the second limiting block 45 may be used in cooperation with each other, so as to facilitate the static loading test and the dynamic loading test at different positions of the test structure module 2.
Preferably, the detection element comprises a displacement sensor, an acceleration sensor, a speed sensor, a strain gauge and an infrared sensor 8, the displacement sensor, the acceleration sensor, the speed sensor and the strain gauge are all arranged on the test structure module 2, and the infrared sensor 8 is detachably mounted on the first measurement support 14 and the second measurement support 15.
In detail, the displacement sensor, the acceleration sensor and the speed sensor are respectively used for detecting the dynamic response of the test structure module 2, the strain gauge is used for detecting the local deformation of the test structure module 2, the infrared sensor 8 is used for detecting the motion state of the test trolley 5, and of course, other types of detection elements can be added according to the needs.
Preferably, infrared sensor 8 is installed on first measurement support 14 and second measurement support 15 through adjusting the support, it includes holder 91 to adjust the support, pole setting 92, telescopic link 93 and mounting bar 94, holder 91 can the centre gripping on first measurement support 14 and second measurement support 15, the vertical top of locating holder 91 of pole setting 92, telescopic link 93 is connected perpendicularly in the upper end of pole setting 92, the other end of telescopic link 93 is towards experimental structure module 2, the one end of mounting bar 94 is rotated and is connected in telescopic link 93, infrared sensor 8 sliding connection is in the one side that telescopic link 93 was kept away from to mounting bar 94.
In detail, adjust the position of the adjustable infrared ray sensor 8 of support, help infrared ray sensor 8 stretch into experimental structure module 2 in, prevent that experimental structure module 2 from sheltering from and influencing infrared ray sensor 8 work, install infrared ray sensor 8 in the motion starting point and the terminal point of experimental dolly 5, be convenient for detect the motion state of experimental dolly 5.
Preferably, the power traction mechanism comprises a fixing plate 61, a rotating motor 62, a roller 63, a fixed pulley 64, a fixing strip 65 and a rope body 66, the fixing plate 61 and the fixing strip 65 are arranged at the left end and the right end of the support frame 11, the fixing strip 65 is arranged above the fixing plate 61, the rotating motor 62 is arranged on the support frame 11, the roller 63 is connected to an output shaft of the rotating motor 62, one end of the rope body 66 is fixed on the roller 63, the fixed pulley 64 is arranged on the fixing strip 65, and the other end of the rope body 66 penetrates through the fixed pulley 64 and then is detachably connected to the test trolley 5.
In detail, the rotary motor 62 drives the roller 63 to rotate, the rope body 66 is wound on the roller 63, and the test trolley 5 is pulled towards the rotary motor 62, the power pulling mechanisms in the embodiment are respectively arranged at the left end and the right end of the support frame 11, the test trolley 5 can be pulled towards two directions, the number of the rotary motor 62, the roller 63, the fixed pulley 64 and the rope body 66 is only one, certainly, two or three, the protection range of the invention is not influenced, the more the number is, the more the number of the pulled test trolleys 5 is, and the same-direction or opposite-direction running of a plurality of test trolleys 5 can be simulated.
Preferably, the bridge deck 21 is paved with the movable deceleration pads 10. Specifically, when the rotating motor 62 stops rotating, the test trolley 5 continues to move, and the speed reducing pad 10 can reduce the speed of the test trolley 5, so that the test trolley 5 is prevented from falling off the bridge floor 21; secondly, prevent the rope 66 from being disordered because the excessive rope 66 can not be wound on the roller 63.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a modularization experimental apparatus for civil engineering structure dynamic and static test, includes laboratory bench (1), experimental structure module (2) and data acquisition analytic system, its characterized in that: experimental structure module (2) through ball-type support (3) install in on experiment workstation (1), be equipped with vibrator on experiment workstation (1), vibrator can dismantle connect in experimental structure module (2), experimental dolly (5) have been placed on experiment workstation (1), the objective groove has been seted up to the upper end of experimental dolly (5), be equipped with on experiment workstation (1) and drive the power drive mechanism that removes about experimental dolly (5), the lower extreme of experimental structure module is equipped with a plurality of mobilizable couples (7), all install various detecting element on experiment workstation (1) and experimental structure module (2), the equal electricity of detecting element links in data acquisition analytic system.
2. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 1, characterized in that: the test structure module (2) comprises a bridge deck (21) and space trusses, the bridge deck (21) is arranged in the space trusses, each space truss comprises two plane trusses (22), a plurality of support rods (23) and a plurality of reinforcing rods (24), the two plane trusses (22) are symmetrically arranged, the support rods (23) are arranged at the lower end between the two plane trusses (22), the bridge deck (21) is arranged on the support rods (23), the reinforcing rods (24) are arranged between the two plane trusses (22), the lower end of each plane truss (22) is provided with a first limiting groove (221) which faces towards the left and right and is in an inverted convex shape, each hook (7) comprises a first limiting block (71), a first screw rod (72), a first handle (73) and a hook body (74), the first limiting block (71) is arranged in the first limiting groove (221), the first limiting block (71) is in sliding fit with the first limiting groove (221), the first screw (72) is vertically inserted into the first limiting groove (221) and connected to the first limiting block (71), the first handle (73) is in threaded connection with the first screw (72), and the hook body (74) is connected to the lower end of the first screw (72).
3. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 2, characterized in that: experiment table (1) includes support frame (11), first backup pad (12), second backup pad (13), first measurement support (14), second measurement support (15), mounting panel (112) and a plurality of universal wheel (111), support frame (11) is approximately "H" type, first measurement support (14) and second measurement support (15) are located respectively the front and back both sides of support frame (11) upper end, first backup pad (12) and second backup pad (13) are parallel to each other and locate respectively between first measurement support (14) and second measurement support (15), the front and back both ends of first backup pad (12) and second backup pad (13) are equallyd divide do not sliding connection in first measurement support (14) and second measurement support (15), but first backup pad (12) and second backup pad (13) horizontal slip, the first measuring support (14) and the second measuring support (15) are both provided with a first sliding chute (16), two first locking knobs (17) respectively connected with the first supporting plate (12) and the second supporting plate (13) are arranged in the first sliding groove (16), the first supporting plate (12) and the second supporting plate (13) are connected to the test structure module (2) through the spherical support (3), the mounting plate (112) is arranged below the first supporting plate (12), the mounting plate (112) is arranged in front and at the back, and two ends of the mounting plate are connected with the supporting frame (11) in a sliding way, a second sliding groove (18) is arranged on the supporting frame (11), a second locking knob (19) connected with the supporting frame (11) is arranged in the second sliding groove (18), the vibrating device is arranged on the mounting plate (112), and the universal wheels (111) are arranged at the lower end of the support frame (11).
4. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 3, characterized in that: the utility model discloses a vibration exciter, including bracing piece (23), bracing piece, vibration device, sliding ring (42), adjust knob (43), second screw rod (44), second stopper (45) and second handle (46), the lower extreme of bracing piece (23) is seted up around the orientation and is the second spacing groove (231) of "protruding" style of calligraphy, vibration device includes vibration exciter (41), sliding ring (42), adjust knob (43), second screw rod (44), second stopper (45) and second handle (46), sliding ring (42) are located the lower extreme of vibration exciter (41), sliding ring (42) and mounting panel (112) sliding fit, adjust knob (43) are located on sliding ring (42), second screw rod (44) vertical connect in the output shaft of vibration exciter (41), the upper end of second screw rod (44) connect in second stopper (45), second stopper (45) sliding connection in second spacing groove (231), second handle (46) threaded connection in second screw rod (44).
5. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 3, characterized in that: the detecting element comprises a displacement sensor, an acceleration sensor, a speed sensor, a strain gauge and an infrared sensor (8), wherein the displacement sensor, the acceleration sensor, the speed sensor and the strain gauge are all arranged on the test structure module (2), and the infrared sensor (8) is detachably mounted on the first measuring support (14) and the second measuring support (15).
6. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 5, characterized in that: infrared ray sensor (8) through adjust the support install in on first measurement support (14) and second measurement support (15), it includes holder (91), pole setting (92), telescopic link (93) and mounting bar (94) to adjust the support, holder (91) can the centre gripping on first measurement support (14) and second measurement support (15), pole setting (92) are vertical to be located the top of holder (91), telescopic link (93) connect perpendicularly in the upper end of pole setting (92), the other end orientation of telescopic link (93) experimental structure module (2), the one end of mounting bar (94) rotate connect in telescopic link (93), infrared ray sensor (8) sliding connection in mounting bar (94) are kept away from one side of telescopic link (93).
7. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 3, characterized in that: power drive mechanism includes fixed plate (61), rotates motor (62), cylinder (63), fixed pulley (64), fixed strip (65) and rope body (66), fixed plate (61) and fixed strip (65) are located both ends about support frame (11), fixed strip (65) are located the top of fixed plate (61), it locates to rotate motor (62) on support frame (11), cylinder (63) connect in rotate the output shaft of motor (62), the one end of rope body (66) is fixed in cylinder (63), fixed pulley (64) are located on fixed strip (65), the other end of rope body (66) passes can dismantle behind fixed pulley (64) and connect in the experiment the dolly.
8. The modular experimental device for the dynamic and static test of the civil engineering structure according to claim 2, characterized in that: the bridge deck (21) is paved with a movable deceleration pad (10).
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| CN202210080992.8A CN114414181A (en) | 2022-01-24 | 2022-01-24 | A modularization experimental apparatus for civil engineering structure dynamic and static test |
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| CN202210080992.8A CN114414181A (en) | 2022-01-24 | 2022-01-24 | A modularization experimental apparatus for civil engineering structure dynamic and static test |
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| CN114809129A (en) * | 2022-05-19 | 2022-07-29 | 湖南大学 | Spring movable door test device considering influence of uneven settlement on soil arch effect |
| CN114965953A (en) * | 2022-05-19 | 2022-08-30 | 湖南大学 | Movable door test device for influence of differential settlement on soil arch effect under seepage effect |
| CN116664013A (en) * | 2023-07-24 | 2023-08-29 | 西南林业大学 | Effect evaluation method for collaborative learning mode, ubiquitous intelligent learning system and medium |
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2022
- 2022-01-24 CN CN202210080992.8A patent/CN114414181A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809129A (en) * | 2022-05-19 | 2022-07-29 | 湖南大学 | Spring movable door test device considering influence of uneven settlement on soil arch effect |
| CN114965953A (en) * | 2022-05-19 | 2022-08-30 | 湖南大学 | Movable door test device for influence of differential settlement on soil arch effect under seepage effect |
| CN116664013A (en) * | 2023-07-24 | 2023-08-29 | 西南林业大学 | Effect evaluation method for collaborative learning mode, ubiquitous intelligent learning system and medium |
| CN116664013B (en) * | 2023-07-24 | 2023-09-22 | 西南林业大学 | Effect evaluation method for collaborative learning mode, ubiquitous intelligent learning system and medium |
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