CN114486024B - Rapid stress detection system for multi-arc steel member and self-vibration method thereof - Google Patents
Rapid stress detection system for multi-arc steel member and self-vibration method thereof Download PDFInfo
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- CN114486024B CN114486024B CN202210140710.9A CN202210140710A CN114486024B CN 114486024 B CN114486024 B CN 114486024B CN 202210140710 A CN202210140710 A CN 202210140710A CN 114486024 B CN114486024 B CN 114486024B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
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Abstract
The invention discloses a stress rapid detection system of a multi-arc steel member and a self-vibration method thereof, and the system comprises a containing box, a placing frame and a containing chamber, wherein the placing frame is fixedly arranged at the top of the containing box, the containing chamber is fixedly arranged at the top of the placing frame, and a plurality of first motors are uniformly and fixedly arranged at the bottom of an inner cavity of the containing box. According to the rapid stress detection system and the self-vibration method of the multi-arc steel member, through the mutual cooperation among the functional rod assembly, the first spring and the contact bar assembly, the bottoms of different multi-arc steel members can be limited, limiting clamping can be realized by combining the first hydraulic rod, the second hydraulic rod and the top pressing bar, the application range is wider, the contact bar mechanism always keeps moving in the vertical direction through the mutual cooperation of the inclined rod and the counterweight ball, the deflection cannot occur, the first contact block and the second contact block can be ensured to be contacted in time, and the operation is sensitive.
Description
Technical Field
The invention relates to the technical field of engineering mechanics, in particular to a system for rapidly detecting stress of a multi-arc steel member and a self-vibration method thereof.
Background
The steel member is a steel structure combined member which is formed by connecting steel plates, angle steel, channel steel, I-steel, welding or hot rolling H-shaped steel through cold bending or welding through connecting pieces and can bear and transmit load. The steel member system has the comprehensive advantages of light dead weight, industrial manufacture, quick installation, short construction period, good earthquake resistance, quick investment recovery, less environmental pollution and the like, and has the unique advantages of developing in three aspects of high, large and light compared with a reinforced concrete structure, and the steel member system is reasonably and widely applied in the field of building engineering in the global field, particularly developed countries and regions. Practice shows that the larger the acting force is, the larger the deformation of the steel member is. However, when the working force is too large, the steel member will break or severely and significantly deform plastically, which may affect the normal operation of the engineering structure. In order to ensure that engineering materials and structures work properly under load, it is required that each steel member should have sufficient capacity to withstand the load, also known as load carrying capacity. The amount of load carrying capacity is primarily measured by the sufficient strength, stiffness and stability that the steel component has.
The existing stress rapid detection system is capable of limiting and clamping steel members with single radian only when detecting the steel members by utilizing X rays, so that the application range is greatly limited, multiple multi-arc steel structures cannot be adapted, the detection of other steel members is unstable, the final data of detection can generate larger errors, the later use is affected, and the structure capable of rapidly stabilizing and clamping different multi-arc steel structures is lacking, so that a plurality of inconveniences are brought to a user during detection, and the application scene is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rapid stress detection system and a self-vibration method for a multi-arc steel member, which solve the problems that only a single-arc steel member can be limited and clamped, the application range is limited greatly, and the system cannot adapt to various multi-arc steel structures, so that other steel members can be detected unstably, the final data of detection can generate larger errors, and the structure capable of rapidly and stably clamping different multi-arc steel structures is lacking.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a quick detecting system of stress of multiple arc steel member, includes holds the case, places frame and holds the room, place the fixed top that sets up at holding the case of frame, hold the fixed top that sets up of room, hold the inner chamber bottom of case and evenly fixedly provided with a plurality of first motors, fixedly connected with baffle between the inner chamber lower part lateral wall of holding the case, the top of baffle evenly is provided with a plurality of function pole subassemblies, the function pole subassembly includes two accommodation barrels, the front portion the bottom of accommodation barrels and the output fixed connection who corresponds first motor, the rear portion the top rotation of accommodation barrels and baffle is connected, two the outside of accommodation barrels is all overlapped and is equipped with the gear, two through the meshing connection of chain between the gear the inside equal threaded connection of accommodation barrels has screw mechanism, screw mechanism includes the lead screw, the sliding tray has all been seted up to the front and back end of lead screw, the top fixedly provided with first lug mechanism of lead screw, first lug mechanism includes first lug, the top of first lug subassembly is equipped with two accommodation barrels, the front and back end contact bar fixed connection has the top bar block, the contact bar fixed connection has the inner chamber, the contact between the two contact bar fixed connection has the top of a plurality of spring bar assemblies, the contact bar fixed connection has the inner chamber, the contact between the top of two contact bar assembly is fixed connection with the top of the slider, the top of two contact bar assembly, the contact bar between the top is fixed connection has the inner chamber, the utility model discloses a movable block, including a movable block, a counterweight ball, a first hydraulic rod, a second lug mechanism, a first contact block, a second contact block, a counterweight ball, a first hydraulic rod, a second contact block, a first counterweight ball, a second counterweight ball, a first contact block, a second contact block, a first counterweight ball and a second hydraulic rod.
Preferably, the two accommodating cylinders are respectively positioned in front of and behind the top of the partition plate, the plurality of first springs are sleeved outside the corresponding screw rod mechanisms, and the tops of the contact strips are uniformly and fixedly provided with a plurality of anti-slip strips.
Preferably, the rear end of the elastic air bag cylinder is connected with an external suction dual-purpose pump through a branch pipe, the first contact block can trigger to close the corresponding first motor when contacting with the corresponding second contact block, and a plurality of movable holes matched with the screw rod mechanism are formed in the bottom of the placement frame.
Preferably, the screw rod mechanisms respectively penetrate through the inside of the corresponding movable hole, limiting blocks are fixedly connected to the front wall and the rear wall of the inner cavity of the movable hole, and the limiting blocks slide in the corresponding sliding grooves.
Preferably, the inner chamber bottom of placing the frame is fixedly provided with the receiving plate, the left side of holding the room is fixedly provided with the second motor, the output of second motor runs through the left wall fixedly connected with two-way lead screw of holding the room.
Preferably, the right end of the bidirectional screw rod is rotationally connected to the right wall of the inner cavity of the accommodating chamber, a limiting rod is fixedly connected between the left side wall and the right side wall of the upper part of the inner cavity of the accommodating chamber, and threads with opposite directions are formed on the outer walls of the left side and the right side of the bidirectional screw rod.
Preferably, a sleeve block is sleeved between the two-way screw rod and the outer parts of the left side and the right side of the limiting rod, the sleeve block is in threaded connection with the two-way screw rod, the bottom of the sleeve block is fixedly connected with a second hydraulic rod, and movable ports are formed in the left side and the right side of the middle of the top of the placement frame.
Preferably, the second hydraulic rod penetrates through the corresponding movable opening and extends to the inside of the placement frame, the bottom of the first hydraulic rod and the bottom of the second hydraulic rod are fixedly provided with top pressing strips, and the top of the inner cavity of the placement frame is uniformly and fixedly provided with a plurality of laser emission ends.
The invention also discloses a self-vibration method of the stress rapid detection system of the multi-arc steel member, which comprises the following steps:
step one, placing a steel structure: the method comprises the steps that a multi-arc steel structure is placed between the tops of a plurality of contact bar block assemblies, the multi-arc steel structure has a certain weight, the contact bar block assemblies and a first spring are pressed downwards for a certain distance, meanwhile, the contact bar block assemblies are located at different heights according to the radian condition of the multi-arc steel structure and are always in contact with the steel structure, an external suction dual-purpose pump is started according to the arc density degree of the steel structure, and air is introduced or pumped into the elastic air bag barrel to adjust the distance between two adjacent contact bars, so that the steel structure with different densities is adapted;
step two, limiting the steel structure: then, the first motor is started to drive the accommodating cylinders to rotate, the accommodating cylinders in the same group are driven to rotate under the action of the gears and the chains, the screw rod mechanism moves upwards in the process, when the first convex blocks are inserted into the corresponding annular grooves, the first contact blocks are contacted with the second contact blocks, the corresponding first motor is triggered to be closed at the moment, the screw rod mechanism immediately stops moving upwards, simultaneously plays a role in supporting the bottom of the steel structure, and then the second motor is started to move the second hydraulic rod to a proper position;
step three, detecting stress: and then starting the first hydraulic rod and the second hydraulic rod, enabling the top pressing strip to move downwards to press and fix the top of the steel structure, realizing the limit fixation of the multi-arc steel structure, finally starting the laser emission end, and detecting the stress of the steel structure by utilizing X-rays to penetrate through the steel structure and be received by the receiving plate.
Preferably, each elastic air bag cylinder is controlled by an independent suction dual-purpose pump, and a plurality of anti-skid lugs are uniformly and fixedly arranged at the bottom of the top pressing strip.
Advantageous effects
The invention provides a stress rapid detection system of a multi-arc steel member and a self-vibration method thereof. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a self-vibration method of quick detecting system of stress of many arcs shape steel component, bottom through the front portion hold section of thick bamboo and correspond the output fixed connection of first motor, the rear portion holds section of thick bamboo and the top of baffle and rotate and be connected, the outside of two hold section of thick bamboo all overlaps and is equipped with the gear, connect through the chain meshing between two gears, the inside of two hold section of thick bamboo all threaded connection has screw rod mechanism, screw rod mechanism includes the lead screw, the sliding tray has all been seted up to the front and back end of lead screw, the fixed first lug mechanism that is provided with in top of lead screw, first lug mechanism includes first lug, the linking groove has been seted up at the top of first lug, the inner chamber bottom of linking groove is fixed to be provided with first touch-piece, place the even fixedly connected with a plurality of first springs with screw rod mechanism looks adaptation in inner chamber bottom of frame, fixedly connected with contact bar subassembly between the top of two first springs in front and back portion, contact bar subassembly includes contact bar mechanism, contact bar mechanism includes the movable block, through the function bar subassembly, first spring and the cooperation between the contact bar subassembly, can carry out spacing to the bottom of different arcs shape steel components, the top, the second hydraulic pressure bar can realize pressing down than the limit range, and the pressure bar is realized.
2. A self-vibration method of a multi-arc steel member stress rapid detection system is characterized in that a placing groove is formed in the middle of the bottom of a second bump, an annular groove is formed in the outer side of the placing groove, the top of an inner cavity of the placing groove is fixedly provided with a second contact block, the front end and the rear end of the bottom of a movable block are fixedly provided with anti-diagonal rods, the anti-diagonal rods penetrate through the bottom of a placing frame, the bottom of the anti-diagonal rods is fixedly provided with a counterweight ball, a first hydraulic rod is fixedly arranged in the middle of the top of the inner cavity of the placing frame, and through the mutual matching of the anti-diagonal rods and the counterweight ball, a contact bar mechanism always keeps moving in the vertical direction, deflection does not occur, the first contact block and the second contact block are guaranteed to be in contact in time, and operation is sensitive.
3. A self-vibration method of a multi-arc steel member stress rapid detection system comprises the steps that a sliding block is slidably connected to an inner cavity of a movable block, a second bump mechanism is fixedly arranged at the front end and the rear end of the bottom of the movable block, contact bars are fixedly connected to the top of the sliding block, the right wall of the inner cavity of the movable block is fixedly connected with the sliding block through a second spring, the left wall of the inner cavity of the movable block is fixedly connected with the sliding block through an elastic air bag barrel, the second bump mechanism comprises a second bump, and the distance between two adjacent contact bars can be flexibly regulated and controlled through the mutual cooperation among the sliding block, the second spring and the elastic air bag barrel, so that arcs with different density degrees on a steel structure can be adapted.
4. A self-vibration method of a multi-arc steel member stress rapid detection system comprises the steps that two accommodating cylinders are respectively located in front of and behind the top of a partition plate, a plurality of first springs are sleeved outside corresponding screw rod mechanisms, the tops of contact strips are uniformly and fixedly provided with a plurality of anti-slip strips, the rear ends of elastic air bag cylinders are connected with external suction dual-purpose pumps through branch pipes, first contact blocks can trigger to close corresponding first motors when contacting with corresponding second contact blocks, a plurality of movable holes matched with the screw rod mechanisms are formed in the bottoms of the accommodating frames, each elastic air bag cylinder is controlled by an independent suction dual-purpose pump, a plurality of anti-slip convex blocks are uniformly and fixedly arranged at the bottoms of the top pressing strips, slipping of the anti-slip strips and the anti-slip convex blocks can be prevented when the steel structures are clamped, stability in the detection process is guaranteed, and detection accuracy is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a left side view of the functional rod assembly of the present invention;
FIG. 4 is a left side cross-sectional view of the functional rod assembly of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a top cross-sectional view of the screw mechanism of the present invention;
FIG. 7 is a cross-sectional view of a first bump mechanism of the present invention;
FIG. 8 is a rear cross-sectional view of the contact strip mechanism of the present invention;
FIG. 9 is a bottom view of the contact bar mechanism of the present invention;
FIG. 10 is a cross-sectional view of a second bump mechanism of the present invention;
fig. 11 is a bottom cross-sectional view of the placement frame of the present invention.
In the figure: 1. a storage case; 2. placing a frame; 3. a housing chamber; 4. a first motor; 5. a partition plate; 6. a function lever assembly; 61. a receiving cylinder; 62. a gear; 63. a chain; 64. a screw rod mechanism; 641. a screw rod; 642. a sliding groove; 643. a first bump mechanism; 6431. a first bump; 6432. a connection groove; 6433. a first contact block; 7. a first spring; 8. a contact bar assembly; 81. a contact bar mechanism; 811. a movable block; 812. a slide block; 813. a second bump mechanism; 8131. a second bump; 8132. a placement groove; 8133. a ring groove; 8134. a second contact block; 814. a contact strip; 815. an anti-slip strip; 816. a second spring; 817. an elastic air bag cylinder; 82. an anti-tilting lever; 83. a weight ball; 9. a first hydraulic lever; 10. a second motor; 11. a two-way screw rod; 12. a limit rod; 13. a second hydraulic lever; 14. a movable opening; 15. pressing the pressing bar; 16. a receiving plate; 17. a movable hole; 18. a limiting block; 19. and a laser emitting end.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution: the utility model provides a stress rapid detection system of multiple arc steel member, including holding case 1, place frame 2 and hold room 3, place the fixed top that sets up at holding case 1 of frame 2, hold the fixed top that sets up at placing frame 2 of room 3, the inner chamber bottom that holds case 1 evenly fixedly is provided with a plurality of first motors 4, fixedly connected with baffle 5 between the inner chamber lower part lateral wall that holds case 1, the top of baffle 5 evenly is provided with a plurality of function pole subassemblies 6, function pole subassemblies 6 includes two accommodation tube 61, the bottom of front accommodation tube 61 and the output fixed connection who corresponds first motor 4, the top rotation connection of rear accommodation tube 61 and baffle 5, the outside of two accommodation tube 61 is all overlapped and is equipped with gear 62, through chain 63 meshing connection between two gears 62, the inside equal threaded connection of two accommodation tube 61 has screw mechanism 64, screw mechanism 64 includes lead screw 641, the front and back ends of the screw rod 641 are provided with sliding grooves 642, the top of the screw rod 641 is fixedly provided with a first bump mechanism 643, the first bump mechanism 643 comprises a first bump 6431, the top of the first bump 6431 is provided with a connecting groove 6432, the bottom of the inner cavity of the connecting groove 6432 is fixedly provided with a first contact block 6433, the bottom of the inner cavity of the placing frame 2 is uniformly and fixedly connected with a plurality of first springs 7 matched with the screw rod mechanism 64, a contact bar block assembly 8 is fixedly connected between the tops of the front and back parts of the two first springs 7, the contact bar block assembly 8 comprises a contact bar mechanism 81, the contact bar mechanism 81 comprises a movable block 811, the inner cavity of the movable block 811 is slidingly connected with a sliding block 812, the front and back ends of the bottom of the movable block 811 are fixedly provided with a second bump mechanism 813, the top of the sliding block 812 is fixedly connected with a contact bar 814, the right wall of the inner cavity of the movable block 811 is fixedly connected with the sliding block 812 through a second spring 816, the left wall of the inner cavity of the movable block 811 is fixedly connected with the sliding block 812 through an elastic air bag barrel 817, the second bump mechanism 813 comprises a second bump 8131, a placing groove 8132 is formed in the middle of the bottom of the second bump 8131, a ring groove 8133 is formed in the outer side of the placing groove 8132 at the bottom of the second bump 8131, a second contact block 8134 is fixedly arranged at the top of the inner cavity of the placing groove 8132, an anti-diagonal rod 82 is fixedly arranged at the front end and the rear end of the bottom of the movable block 811, the anti-diagonal rod 82 penetrates through the bottom of the placing frame 2, a counterweight ball 83 is fixedly arranged at the bottom of the anti-diagonal rod 82, a first hydraulic rod 9 is fixedly arranged in the middle of the top of the inner cavity of the placing frame 2, the bottoms of different multi-arc steel members can be limited through the mutual matching among the functional rod assemblies 6, the first springs 7 and the contact bar assemblies 8, and limiting clamping can be realized by combining the first hydraulic rod 9, the second hydraulic rod 13 and the top pressing bar 15, the use range is wider, two accommodation barrels 61 are respectively positioned in front of and behind the top of the partition board 5, a plurality of first springs 7 are sleeved outside corresponding screw mechanisms 64, a plurality of anti-slip strips 815 are uniformly and fixedly arranged on the top of a contact strip 814, the rear end of an elastic air bag barrel 817 is connected with an external suction dual-purpose pump through a branch pipe, a corresponding first motor 4 is triggered to be closed when a first contact block 6433 contacts with a corresponding second contact block 8134, a plurality of movable holes 17 matched with the screw mechanisms 64 are formed in the bottom of a placement frame 2, the contact strip mechanisms 81 always keep moving in the up-down direction through the mutual matching of the anti-slip rods 82 and the counterweight balls 83, no skew occurs, the first contact block 6433 and the second contact block 8134 can be timely contacted, the operation is sensitive, a plurality of screw mechanisms 64 respectively penetrate through the inside of the corresponding movable holes 17, the front wall and the rear wall of the inner cavity of the movable hole 17 are fixedly connected with limiting blocks 18, the limiting block 18 slides in the corresponding sliding groove 642, the receiving plate 16 is fixedly arranged at the bottom of the inner cavity of the placement frame 2, the second motor 10 is fixedly arranged at the left side of the accommodating chamber 3, the output end of the second motor 10 penetrates through the left wall of the accommodating chamber 3 and is fixedly connected with the bidirectional screw rod 11, the right end of the bidirectional screw rod 11 is rotationally connected on the right wall of the inner cavity of the accommodating chamber 3, the limiting rod 12 is fixedly connected between the left side wall and the right side wall of the upper part of the inner cavity of the accommodating chamber 3, the outer walls of the left side and the right side of the bidirectional screw rod 11 are provided with threads with opposite directions, the distance between the adjacent two contact strips 814 can be flexibly regulated and controlled through the mutual matching among the sliding block 812, the second spring 816 and the elastic air bag cylinder 817, so as to adapt to the arcs with different density degrees on the steel structure, the two-way lead screw 11 and the outside cover of the left and right sides of gag lever post 12 are equipped with the cover piece, threaded connection between cover piece and the two-way lead screw 11, the second hydraulic stem 13 of bottom fixedly connected with of cover piece, movable mouth 14 has all been seted up to the left and right sides in the middle of the top of placing frame 2, second hydraulic stem 13 runs through corresponding movable mouth 14 and extends to the inside of placing frame 2, the bottom of first hydraulic stem 9 and the bottom of second hydraulic stem 13 are all fixed and are provided with top pressing bar 15, the even fixedly a plurality of laser emission ends 19 of being provided with in inner chamber top of placing frame 2, the setting of antiskid strip 815 and skid proof block can guarantee to take place to skid when pressing from both sides the solid steel construction, ensure the stability in the testing process, improve and detect the precision.
The invention also discloses a self-vibration method of the stress rapid detection system of the multi-arc steel member, which comprises the following steps:
step one, placing a steel structure: the multi-arc steel structure is placed between the tops of the contact bar block assemblies 8, and the contact bar block assemblies 8 and the first springs 7 are pressed downwards for a certain distance due to the fact that the multi-arc steel structure has a certain weight, meanwhile, the contact bar block assemblies 8 are located at different heights according to the radian condition of the multi-arc steel structure and always contact with the steel structure, an external suction dual-purpose pump is started according to the arc density degree of the steel structure, and air is introduced or pumped into the elastic air bag cylinder 817 to adjust the distance between the two adjacent contact bars 814, so that the steel structure with different densities is adapted;
step two, limiting the steel structure: then the first motor 4 is started to drive the accommodating cylinder 61 to rotate, the accommodating cylinder 61 in the same group is driven to rotate under the action of the gear 62 and the chain 63, the screw rod mechanism 64 moves upwards in the process, when the first bump 6431 is inserted into the corresponding annular groove 8133, the first contact block 6433 and the second contact block 8134 are contacted with each other, the corresponding first motor 4 is triggered to be closed at the moment, the screw rod mechanism 64 stops moving upwards immediately, simultaneously, the bottom of the steel structure is supported, and then the second motor 10 is started to move the second hydraulic rod 13 to a proper position;
step three, detecting stress: then, the first hydraulic rod 9 and the second hydraulic rod 13 are started, the top pressing bar 15 is moved downwards to press and fix the top of the steel structure, limit fixing of the multi-arc steel structure is achieved, the laser emitting end 19 is finally started, and the X-rays penetrate through the steel structure and are received by the receiving plate 16 to detect the stress of the steel structure.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a quick detecting system of stress of many arc steel member, includes holds case (1), places frame (2) and holds room (3), place the fixed top that sets up in holding case (1) of frame (2), hold the fixed top that sets up in placing frame (2) of room (3), its characterized in that: a plurality of first motors (4) are uniformly and fixedly arranged at the bottom of the inner cavity of the accommodating box (1), a partition board (5) is fixedly connected between the side walls of the lower part of the inner cavity of the accommodating box (1), and a plurality of functional rod assemblies (6) are uniformly arranged at the top of the partition board (5);
the functional rod assembly (6) comprises two accommodating cylinders (61), the bottoms of the accommodating cylinders (61) at the front part are fixedly connected with the output ends of the corresponding first motors (4), the accommodating cylinders (61) at the rear part are rotatably connected with the tops of the partition boards (5), gears (62) are sleeved outside the two accommodating cylinders (61), the two gears (62) are in meshed connection through chains (63), and screw rod mechanisms (64) are in threaded connection inside the two accommodating cylinders (61);
the screw rod mechanism (64) comprises a screw rod (641), sliding grooves (642) are formed in the front end and the rear end of the screw rod (641), a first lug mechanism (643) is fixedly arranged at the top of the screw rod (641), the first lug mechanism (643) comprises a first lug (6431), a connecting groove (6432) is formed in the top of the first lug (6431), a first contact block (6433) is fixedly arranged at the bottom of an inner cavity of the connecting groove (6432), a plurality of first springs (7) matched with the screw rod mechanism (64) are uniformly and fixedly connected to the bottom of the inner cavity of the placement frame (2), and a contact bar block assembly (8) is fixedly connected between the tops of the front spring and the rear spring (7);
the contact bar assembly (8) comprises a contact bar mechanism (81), the contact bar mechanism (81) comprises a movable block (811), a sliding block (812) is slidably connected in an inner cavity of the movable block (811), a second bump mechanism (813) is fixedly arranged at the front end and the rear end of the bottom of the movable block (811), a contact bar (814) is fixedly connected to the top of the sliding block (812), the right wall of the inner cavity of the movable block (811) is fixedly connected with the sliding block (812) through a second spring (816), and the left wall of the inner cavity of the movable block (811) is fixedly connected with the sliding block (812) through an elastic air bag cylinder (817);
the second lug mechanism (813) comprises a second lug (8131), a holding groove (8132) is formed in the middle of the bottom of the second lug (8131), an annular groove (8133) is formed in the outer side of the holding groove (8132) and in the bottom of the second lug (8131), a second contact block (8134) is fixedly arranged at the top of an inner cavity of the holding groove (8132), inclined rods (82) are fixedly arranged at the front end and the rear end of the bottom of the movable block (811), the inclined rods (82) penetrate through the bottom of the holding frame (2), counterweight balls (83) are fixedly arranged at the bottom of the inclined rods (82), and a first hydraulic rod (9) is fixedly arranged in the middle of the top of the inner cavity of the holding frame (2).
2. A rapid stress detection system for multi-arc steel members according to claim 1, wherein: the two accommodating cylinders (61) are respectively positioned in front of and behind the top of the partition board (5), the plurality of first springs (7) are sleeved outside the corresponding screw rod mechanisms (64), and the tops of the contact strips (814) are uniformly and fixedly provided with a plurality of anti-slip strips (815).
3. A rapid stress detection system for multi-arc steel members according to claim 1, wherein: the rear end of the elastic air bag cylinder (817) is connected with an external suction dual-purpose pump through a branch pipe, the first contact block (6433) can trigger to close the corresponding first motor (4) when contacting with the corresponding second contact block (8134), and a plurality of movable holes (17) matched with the screw rod mechanism (64) are formed in the bottom of the placement frame (2).
4. A rapid stress detection system for a multi-arc steel member according to claim 3, wherein: the screw rod mechanisms (64) penetrate through the corresponding movable holes (17) respectively, limiting blocks (18) are fixedly connected to the front wall and the rear wall of the inner cavity of the movable hole (17), and the limiting blocks (18) slide in the corresponding sliding grooves (642).
5. A rapid stress detection system for multi-arc steel members according to claim 1, wherein: the inner cavity bottom of the placement frame (2) is fixedly provided with a receiving plate (16), the left side of the accommodating chamber (3) is fixedly provided with a second motor (10), and the output end of the second motor (10) penetrates through the left wall of the accommodating chamber (3) and is fixedly connected with a bidirectional screw rod (11).
6. The rapid stress detection system for multi-arc steel members according to claim 5, wherein: the right end of the bidirectional screw rod (11) is rotationally connected to the right wall of the inner cavity of the accommodating chamber (3), a limiting rod (12) is fixedly connected between the left side wall and the right side wall of the upper part of the inner cavity of the accommodating chamber (3), and threads with opposite directions are formed on the outer walls of the left side and the right side of the bidirectional screw rod (11).
7. The rapid stress detection system for multi-arc steel members according to claim 6, wherein: the two-way screw rod (11) and the outside cover of the left and right sides of gag lever post (12) are equipped with the cover piece, screw thread connection between cover piece and the two-way screw rod (11), the bottom fixedly connected with second hydraulic stem (13) of cover piece, movable mouth (14) have all been seted up to the left and right sides in the middle of the top of placing frame (2).
8. The rapid stress detection system for multi-arc steel members according to claim 7, wherein: the second hydraulic rod (13) penetrates through the corresponding movable opening (14) and extends to the inside of the placement frame (2), the top pressing strips (15) are fixedly arranged at the bottom of the first hydraulic rod (9) and the bottom of the second hydraulic rod (13), and a plurality of laser emitting ends (19) are uniformly and fixedly arranged at the top of an inner cavity of the placement frame (2).
9. A method of self-oscillation of a system for rapid detection of stresses in a multi-arc steel member as claimed in any one of claims 1 to 8, wherein: the method comprises the following steps:
step one, placing a steel structure: the method comprises the steps that a multi-arc steel structure is placed between the tops of a plurality of contact bar block assemblies (8), a plurality of contact bar block assemblies (8) and a first spring (7) are pressed downwards for a certain distance due to the fact that the multi-arc steel structure has a certain weight, meanwhile, the plurality of contact bar block assemblies (8) are located at different heights according to the radian condition of the multi-arc steel structure and are always in contact with the steel structure, an external suction dual-purpose pump is started according to the arc density degree of the steel structure, and air is introduced or pumped into the elastic air bag cylinder (817) to adjust the distance between two adjacent contact bars (814), so that the steel structure with different densities is adapted;
step two, limiting the steel structure: starting the first motor (4) to drive the accommodating cylinders (61) to rotate, driving the accommodating cylinders (61) in the same group to rotate under the action of the gears (62) and the chains (63), enabling the screw rod mechanism (64) to move upwards in the process, enabling the first contact block (6433) and the second contact block (8134) to be in contact with each other when the first projection (6431) is inserted into the corresponding annular groove (8133), triggering to close the corresponding first motor (4), enabling the screw rod mechanism (64) to immediately stop moving upwards, supporting the bottom of the steel structure, and starting the second motor (10) to move the second hydraulic rod (13) to a proper position;
step three, detecting stress: then, the first hydraulic rod (9) and the second hydraulic rod (13) are started, the top pressing bar (15) moves downwards to press and fix the top of the steel structure, limit fixing of the multi-arc steel structure is achieved, and finally, the laser emitting end (19) is started, and the X-rays penetrate through the steel structure and are received by the receiving plate (16) to detect the stress of the steel structure.
10. The method for self-vibration of a rapid stress detection system for multi-arc steel members according to claim 9, wherein: each elastic air bag cylinder (817) is controlled by an independent suction dual-purpose pump, and a plurality of anti-skid lugs are uniformly and fixedly arranged at the bottom of the top pressing strip (15).
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| CN108168868A (en) * | 2017-12-29 | 2018-06-15 | 绍兴文理学院 | A kind of method for detecting the Steel section member natural frequency of vibration |
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| CN213121383U (en) * | 2020-05-15 | 2021-05-04 | 云南平皓建设检测鉴定有限公司 | Stress detection device of steel structure |
| CN113483976A (en) * | 2021-09-07 | 2021-10-08 | 南通诚利钢结构工程有限公司 | Steel sheet elasticity detection device |
| CN113588450A (en) * | 2021-06-21 | 2021-11-02 | 浙江东南钢结构有限公司 | Steel structure residential system-based stress deformation detection system and detection method thereof |
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|---|---|---|---|---|
| CN108168868A (en) * | 2017-12-29 | 2018-06-15 | 绍兴文理学院 | A kind of method for detecting the Steel section member natural frequency of vibration |
| CN207991729U (en) * | 2018-03-20 | 2018-10-19 | 南通航运职业技术学院 | Steel construction prestress detection device |
| CN213121383U (en) * | 2020-05-15 | 2021-05-04 | 云南平皓建设检测鉴定有限公司 | Stress detection device of steel structure |
| CN113588450A (en) * | 2021-06-21 | 2021-11-02 | 浙江东南钢结构有限公司 | Steel structure residential system-based stress deformation detection system and detection method thereof |
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