Cement pole equivalent wind load experimental detection system and detection method thereof
By designing an equivalent wind load testing system for cement poles, various wind load conditions were simulated, solving the problem of insufficient traditional experiments and realizing comprehensive measurement and quality analysis of cement pole deformation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-04
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional equivalent wind load tests on cement poles only analyze one type of wind load, which is insufficient and incomplete, and cannot fully assess the impact of different wind loads on cement poles.
An equivalent wind load testing system for cement poles was designed, including fastening, clamping, and loading mechanisms. Through the coordinated work of multiple mechanisms, wind loads of different heights, positions, directions, and magnitudes are simulated. Combined with deflection detection and a wireless electronic force meter, the system enables comprehensive measurement of the deformation of cement poles.
It can more realistically simulate the deformation of cement poles under different wind load conditions, provide more sufficient data support, and improve the accuracy and comprehensiveness of cement pole quality analysis.
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Figure CN116818236B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of building safety detection, and in particular to a cement pole equivalent wind load experimental detection system and a detection method thereof. BACKGROUND
[0002] The cement pole is also called a wire pole, and can also be called a concrete pole, which is made of concrete and steel bars or steel wires, and is mainly used for power grid and communication construction. Influenced by natural wind, especially large wind force such as typhoon, the cement pole will sway, deform, even break and collapse, which will affect people's daily life and even endanger people's life safety, so the quality of the cement pole needs to meet certain standards.
[0003] The three elements of force are size, direction and action point, and in the manufacturing process of the cement pole, the components of each part of the cement pole will inevitably be different, resulting in different performance, so it is necessary to analyze the deformation condition of the cement pole under different equivalent wind loads, and the traditional cement pole equivalent wind load experiment only analyzes the influence of a certain form of wind load on the cement pole, which is insufficient and imperfect. SUMMARY
[0004] In order to solve the technical problem that the traditional cement pole equivalent wind load experiment only analyzes the influence of a certain form of wind load on the cement pole, which is insufficient and imperfect, the present application provides a cement pole equivalent wind load experimental detection system and a detection method thereof.
[0005] The present application adopts the following technical scheme: a cement pole equivalent wind load experimental detection system, comprising a bottom plate, a fastening mechanism is fixed on one side of the top of the bottom plate, a deflection detection mechanism is arranged on one side of the fastening mechanism and fixed with the bottom plate, a clamping mechanism is connected to the top of the deflection detection mechanism, and a loading mechanism is arranged on the side of the clamping mechanism away from the deflection detection mechanism and connected with the bottom plate.
[0006] The fastening mechanism comprises a rotating disc in sliding connection with the bottom plate, a groove one is formed in the top of the rotating disc, an installation plate one is fixedly connected to the inner wall of the bottom of the groove one, a through hole is formed in the top of the installation plate one, a sliding groove of T-shaped structure is arrayed along the axis of the top of the installation plate one, a groove two is formed in the bottom of the installation plate one, a plurality of planetary gears are arrayed along the axis below the groove two and are in sliding connection with the inner wall of the bottom of the groove one, the same gear ring is engaged with the plurality of planetary gears, a sun gear is arranged in the inner ring of the gear ring and is in engagement with the planetary gears, a rotating shaft one is fixedly sleeved with the sun gear, a rotating shaft two is fixedly sleeved with the plurality of planetary gears, a connecting unit one is fixedly connected to the top of the rotating shaft two, a connecting rod is rotatably sleeved with the connecting unit one close to one end of the through hole, a rotating shaft two is fixedly connected to the bottom of the connecting rod close to one end of the through hole, a clamping plate one of fan-shaped structure is rotatably sleeved with the rotating shaft two and is in sliding connection with the top surface of the installation plate one, a sliding plate of T-shaped structure is fixedly connected to the bottom of the clamping plate one and is in sliding sleeve connection with the sliding groove.
[0007] The clamping mechanism comprises two groups of rotating plates of T-shaped structure in rotatable sleeve connection with the top of the deflection detection mechanism, a gas cylinder one is fixedly connected to the top of each of the two groups of rotating plates, a gas cylinder two is fixedly connected to the side close to each other of the two groups of gas cylinders one and is fixedly connected to the top of the deflection detection mechanism, a connecting plate two of disc-shaped structure is clamped to the output end of each of the two groups of gas cylinders one, a through groove one is formed in the outer ring of the connecting plate two and is clamped to the output end of the gas cylinder one, an installation plate four of ring-shaped structure is fixedly connected to the bottom of the connecting plate two, a plurality of hydraulic oil cylinders are arrayed along the axis of the outer ring of the installation plate four, a clamping plate two of fan-shaped structure is fixedly connected to the output end of each of the plurality of hydraulic oil cylinders, a pull ring is fixedly connected to the bottom outer ring of the side close to the loading mechanism one of the installation plate four, and a locking unit one is arranged in the interior of the installation plate four.
[0008] Through the above technical scheme, the clamping plate one can clamp the cement pole to be loaded by controlling the rotation of the sun gear, so as to prevent the movement of the cement pole during the loading process from affecting the experiment, so that the experimental effect is closer to the real situation, the pull ring can be pulled by the pull rope, so as to pull the clamping mechanism and the cement pole, and the purpose of simulating the effect of wind load on the cement pole is achieved.
[0009] As a further improvement of the above scheme, the deflection detection mechanism comprises a lead screw one in rotatable connection with the bottom plate, slide rods are arranged on both sides of the lead screw one and are fixedly connected to the bottom plate, an installation plate two is fixedly connected to the top of each of the slide rods and is in rotatable connection with the lead screw one, an installation plate three is in sliding connection with the slide rods and is threadedly sleeved with the top of the lead screw one, an oil cylinder magnetostrictive displacement sensor is fixedly connected to the side close to the clamping mechanism of the installation plate three.
[0010] Through the above technical scheme, the up and down movement of the oil cylinder magnetostrictive displacement sensor can be controlled by controlling the rotation of the lead screw one, so as to measure the deformation conditions of the cement pole at different positions.
[0011] As a further improvement of the above scheme, the loading mechanism comprises two sets of baffles fixed to the base plate, and a screw rod two is rotatably connected between the two sets of baffles, the outer ring of the screw rod two is threadedly connected with a base plate which is slidingly connected with the base plate, the top of the end of the base plate away from the fastening mechanism is fixedly connected with a motor five, the output end of the motor five is fixedly connected with a speed reducer which is fixedly connected with the base plate, the output end of the speed reducer is fixedly connected with a pulley, the pulley is connected with a wireless electronic force gauge through a rope knot, the side of the wireless electronic force gauge close to the fastening mechanism is provided with a fixed pulley which is fixedly connected with the base plate, the end of the wireless electronic force gauge close to the fixed pulley is connected to the pull ring through the fixed pulley through a rope knot, and the end of the screw rod two protruding from the baffle is fixedly connected with a motor six which is fixedly connected with the base plate.
[0012] Through the above technical scheme, the motor six can be controlled to rotate the screw rod two, and the motor five, the speed reducer, the wireless electronic force gauge and the fixed pulley can slide along the screw rod two on the base plate with the base plate, so as to change the direction of the equivalent wind load acting on the cement pole, measure the deformation of the cement pole under the action of the equivalent wind load in different directions, and simulate the force generated by the wind load through the torque generated by the motor five, and read the size of the force from the wireless electronic force gauge, so as to facilitate recording and analysis.
[0013] As a further improvement of the above scheme, the connecting unit one comprises a connecting plate one, a recess three is formed on the side of the connecting plate one close to the through hole, a rotating shaft one is arranged in the recess three and fixedly connected with the connecting plate one, and the rotating shaft one is rotatably connected with the connecting rod, and the number of rotating shafts two is consistent with the number of sliding grooves.
[0014] Through the above technical scheme, the connecting unit one can drive the movement of the connecting rod through the rotation of the connecting unit one, so as to fasten the clamping plate one to the cement pole.
[0015] As a further improvement of the above scheme, a recess four is formed in the top of the rotating disc and located directly below the rotating shaft one, a motor one is fixedly connected to the bottom of the recess four, and the output end of the top of the motor one is fixedly connected with the rotating shaft one, a rotating shaft three is arranged below the recess four and fixedly connected with the rotating disc, a recess five is formed in the top of the base plate and located directly below the rotating shaft three, a motor two is fixedly connected to the bottom of the recess five, and the output end of the top of the motor two is fixedly connected with the rotating shaft three, a motor three is fixedly connected to the top of the mounting plate two, and the output end of the bottom of the motor three is fixedly connected with the screw rod one.
[0016] Through the above technical scheme, the motor one can be controlled to achieve the purpose of fastening the cement pole, the motor two can be controlled to drive the rotation of the cement pole, so as to measure the deformation of the cement pole under the action of the equivalent wind load in different positions, and the motor three can be controlled to drive the movement of the deflection detection mechanism, so as to facilitate data measurement, and the clamping position of the clamping mechanism can also be controlled through the motor three, so as to measure the deformation of the cement pole under the action of the equivalent wind load in different heights.
[0017] As a further improvement of the above scheme, the output end of the two groups of cylinders is fixed with a clamping block, and the side close to each other of the two clamping blocks is fixed with a tapered structure of clamping teeth, and the inner side wall of the both sides of the through slot one is provided with an inwardly recessed clamping groove, and the cross section of the clamping groove is consistent with the cross section of the clamping teeth.
[0018] Through the above technical scheme, by setting the clamping groove and the clamping teeth, the connection between the cylinder and the connecting plate can be more stable, and the connecting plate can be prevented from falling off.
[0019] As a further improvement of the above scheme, the oil inlet pipe of the plurality of hydraulic cylinders is fixed with an annular structure of the oil pipe one, the top of the oil pipe one is fixed with the oil pipe two, the top of the oil pipe two is fixed with the oil pump one, the top of the oil pump one is fixed with the oil tank one fixed with the outer circle of the mounting plate four, the oil outlet pipe of the plurality of hydraulic cylinders is fixed with an annular structure of the oil pipe three, the top of the oil pipe three is fixed with the oil pipe four, the top of the oil pipe four is fixed with the oil pump two, and the top of the oil pump two is fixed with the oil tank two fixed with the outer circle of the mounting plate four.
[0020] Through the above technical scheme, by setting the oil pipe one and the oil pipe three, the amount of hydraulic oil pumped into the plurality of hydraulic cylinders can be equal, so as to control the clamping synchronization of the clamping plate two, and the clamping mechanism is more convenient for clamping the cement pole.
[0021] As a further improvement of the above scheme, the locking unit one comprises a rotating shaft four rotatably connected with the connecting plate two, the outer circle of the rotating shaft four extending out of the connecting plate two is fixed with a ladder-shaped structure of the pushing plate arranged along the axis of the rotating shaft four, a plurality of pushing plates are slidably connected with the pushing rod below, the end of the pushing rod away from the rotating shaft four is fixed with a locking rod slidably connected with the inner side wall of the mounting plate four, the outer circle of the locking rod is slidably connected with a U-shaped structure of the limiting plate fixed with the inner side wall of the mounting plate four, and the top end of the locking rod is fixed with a spring fixed with the bottom surface of the connecting plate two.
[0022] Through the above technical scheme, by setting the rotating shaft four and the pushing plate, the rotation of the rotating shaft four can be controlled, and the pushing plate can push the pushing rod, so as to push the locking rod to move, lock the output end of the hydraulic cylinder, prevent the output end of the hydraulic cylinder from being retracted under stress during loading, and affect the experimental results. By setting the spring, the locking rod can return to the initial state under the action of the spring tension.
[0023] As a further improvement of the above scheme, the bottom of the locking rod is provided with a triangular structure of the through slot two, the bottom of the locking rod is provided with a U-shaped structure of the through slot three, the top of the connecting plate two is fixed with a motor four, and the output end of the bottom of the motor four is fixed with the rotating shaft four.
[0024] Through the technical scheme, the lock rod can lock the hydraulic oil cylinder in different elongation states, and the U-shaped through groove three can avoid the influence of the output end of the hydraulic oil cylinder on the movement of the lock rod during locking of the hydraulic oil cylinder.
[0025] As a further improvement of the above scheme, the detection method of the equivalent wind load experiment detection system of the cement pole comprises the following steps,
[0026] S1, fixing and installing the cement pole, using a crane to place the cement pole to be loaded on the fastening mechanism, and the fastening mechanism fastens the cement pole to be loaded;
[0027] S2, clamping the cement pole, controlling the clamping mechanism to clamp the cement pole to be loaded;
[0028] S3, loading the cement pole, starting the loading mechanism to simulate the effect of wind load on the cement pole;
[0029] S4, detecting the deformation degree of the cement pole, specifically as follows,
[0030] S41, starting the deflection detection mechanism to measure the deflection changes of the cement pole at different positions under the same height, same position, same direction and same size of force loading, and record the data;
[0031] S42, controlling the loading mechanism to load the cement pole with different sizes of force, repeating S41, so as to measure the deflection changes of the cement pole at different positions under the same height, same position, same direction and different sizes of force loading, and record the data;
[0032] S43, controlling the loading mechanism to move and repeating S41 and S42, so as to measure the deflection changes of the cement pole at different positions under the same height, same position, different directions and different sizes of force loading, and record the data;
[0033] S44, the loading mechanism and the clamping mechanism respectively return to the initial state according to the reverse steps of S3 and S2, rotate the fastening mechanism to rotate the cement pole, and then repeat S2, S3, S41, S42 and S43, so as to measure the deflection changes of the cement pole at different positions under the same height, different positions, different directions and different sizes of force loading, and record the data;
[0034] S45, the loading mechanism and the clamping mechanism respectively return to the initial state according to the reverse steps of S3 and S2, control the deflection detection mechanism to move and drive the clamping mechanism to move, repeat S2, S3, S41, S42, S43 and S44, so as to measure the deflection changes of the cement pole at different positions under different heights, different positions, different directions and different sizes of force loading, and record the data.
[0035] Through the technical scheme, the deformation conditions of the cement pole under different equivalent wind loads can be obtained, so that the quality of the cement pole can be more fully and perfectly analyzed.
[0036] Compared with the prior art, the beneficial effects of the present application are that:
[0037] The present application is simple to operate, can simulate the influence of wind load of different heights, different positions, different directions and different sizes on the cement pole, fully considers the influence of wind load of different situations on the cement pole, measures the deformation conditions of the cement pole at different positions during the detection process, makes the experimental results more real and reliable, measures multiple groups of data during the experimental process of the present application, can facilitate more full and perfect analysis of the quality of the cement pole, and then updates the quality requirements of the cement pole according to the actual situation to adapt to the needs of cement poles in different regions at present. BRIEF DESCRIPTION OF DRAWINGS
[0038] Figure 1 A front view and a sectional view of the cement pole equivalent wind load experimental detection system are provided for the present application;
[0039] Figure 2 A top view and a sectional view of the cement pole equivalent wind load experimental detection system are provided for the present application;
[0040] Figure 3 A partial structure exploded view of the fastening mechanism in the cement pole equivalent wind load experimental detection system is provided for the present application;
[0041] Figure 4 An overall structure schematic view of the rotating shaft four and the push plate in the cement pole equivalent wind load experimental detection system is provided for the present application;
[0042] Figure 5 An enlarged schematic view of the structure in A of the present application is provided for the present application; Figure 1
[0043] An enlarged schematic view of the structure in B of the present application is provided for the present application; Figure 6 Figure 1 An enlarged schematic view of the structure in C of the present application is provided for the present application;
[0044] Figure 7 An enlarged schematic view of the structure in C of the present application is provided for the present application; Figure 1
[0045] An enlarged schematic view of the structure in C of the present application is provided for the present application; Figure 8
[0046] A top view of the fastening mechanism in the cement pole equivalent wind load experimental detection system is provided for the present application; Figure 9 A top view and a sectional view of the clamping mechanism in the cement pole equivalent wind load experimental detection system are provided for the present application;
[0047] Figure 10 Figure 6 is a side sectional view of the deflection detection mechanism of the equivalent wind load experimental detection system for cement poles and the like provided by the present application.
[0048] Main symbol explanation:
[0049] 1, base plate; 2, fastening mechanism; 3, deflection detection mechanism; 4, clamping mechanism; 5, loading mechanism; 6, cylinder two; 7, turntable; 8, groove one; 9, mounting plate one; 10, groove two; 11, planetary gear; 12, sun gear; 13, rotating shaft one; 14, rotating shaft two; 15, connecting plate one; 16, groove three; 17, connecting rod; 18, rotating shaft one; 19, rotating shaft two; 20, clamping plate one; 21, sliding plate; 22, gear ring; 23, through hole; 24, sliding groove; 25, groove four; 26, motor one; 27, rotating shaft three; 28, groove five; 29, motor two; 30, lead screw one; 31, sliding rod; 32, mounting plate two; 33, motor three; 34, mounting plate three; 35, magnetostrictive displacement sensor of oil cylinder; 36, rotating plate; 37, cylinder one; 38, connecting plate two; 39, clamping block; 40, through slot one; 41, mounting plate four; 42, hydraulic oil cylinder; 43, clamping plate two; 44, oil pipe one; 45, oil pipe two; 46, oil pump one; 47, oil tank one; 48, oil pipe three; 49, oil pipe four; 50, oil pump two; 51, oil tank two; 52, pull ring; 53, rotating shaft four; 54, push plate; 55, push rod; 56, locking rod; 57, limiting plate; 58, through slot two; 59, through slot three; 60, motor six; 61, motor four; 62, baffle; 63, lead screw two; 64, base; 65, motor five; 66, speed reducer; 67, pulley; 68, wireless electronic dynamometer; 69, fixed pulley. DETAILED DESCRIPTION
[0050] Hereinafter, the present application will be further described in conjunction with the drawings and the specific embodiments, and it should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.
[0051] Embodiment 1:
[0052] Please combine Figure 1The equivalent wind load test detection system of the cement pole of the embodiment comprises a bottom plate 1, a fastening mechanism 2 is fixedly connected to the top of one side of the bottom plate 1, a deflection detection mechanism 3 is arranged on one side of the fastening mechanism 2 and is fixedly connected to the bottom plate 1, a clamping mechanism 4 is connected to the top of the deflection detection mechanism 3, a loading mechanism 5 is arranged on the side, away from the deflection detection mechanism 3, of the clamping mechanism 4 and is connected to the bottom plate 1, the position of the cement pole to be loaded can be fixed by arranging the fastening mechanism 2, the movement of the cement pole during the loading process can be prevented to avoid affecting the detection result, the action point of the force during the loading process can be avoided from deviating by arranging the clamping mechanism 4, and the action force of the wind load can be simulated by arranging the loading mechanism 5.
[0053] The principle of the embodiment is that the cement pole to be loaded is placed on the fastening mechanism 2 by using a crane, the cement pole to be loaded is fastened by the fastening mechanism 2, then the deflection detection mechanism 3 is controlled to move, so as to drive the clamping mechanism 4 to move to a specified position, the clamping mechanism 4 is controlled to clamp the cement pole to be loaded, the loading mechanism 5 is started to pull the clamping mechanism 4, so as to pull the cement pole to be loaded, the action of the wind load on the cement pole is simulated, the deflection change of the cement pole is measured by using the deflection detection mechanism 3, and the data is recorded.
[0054] Embodiment 2
[0055] In combination Figures 1-10 On the basis of embodiment 1, the further improvement of the embodiment is that the fastening mechanism 2 comprises a rotating disc 7 which is slidingly connected to the bottom plate 1, a groove one 8 is formed in the top of the rotating disc 7, an installation plate one 9 is fixedly connected to the inner wall at the bottom of the groove one 8, a through hole 23 penetrates through the top of the installation plate one 9, a T-shaped sliding slot 24 is arrayed on the top of the installation plate one 9 along the axis thereof, a groove two 10 is formed in the bottom of the installation plate one 9, a planetary gear 11 is slidingly connected to the inner wall at the bottom of the groove one 8 along the axis thereof below the groove two 10, a plurality of planetary gears 11 are fixedly sleeved with a rotating shaft two 14, the number of the rotating shaft two 14 is consistent with the number of the sliding slot 24, the plurality of planetary gears 11 engage with the same gear ring 22, a sun gear 12 is arranged in the inner ring of the gear ring 22 and engages with the planetary gear 11, the sun gear 12 is fixedly sleeved with a rotating shaft one 13, the sun gear 12 can drive the plurality of planetary gears 11 to synchronously rotate in the same direction, so as to drive the plurality of rotating shaft two 14 to synchronously rotate in the same direction by arranging the planetary gear 11, the rotating shaft two 14, the sun gear 12 and the gear ring 22.
[0056] The top of the rotating shaft two 14 is fixedly connected with a connecting unit one, the connecting unit one comprises a connecting plate one 15, a groove three 16 is arranged on one side of the connecting plate one 15 close to the through hole 23, a rotating shaft one 18 is arranged in the groove three 16 and is fixedly connected with the connecting plate one 15, the rotating shaft one 18 is rotatably sleeved with a connecting rod 17, the bottom of one end of the connecting rod 17 close to the through hole 23 is fixedly connected with a rotating shaft two 19, the outer circle of the rotating shaft two 19 is rotatably sleeved with a clamping plate one 20 in a fan-shaped structure and is in sliding connection with the top surface of the mounting plate one 9, the bottom of the clamping plate one 20 is fixedly connected with a sliding plate 21 in a T-shaped structure and is in sliding sleeve connection with the sliding groove 24, through the arrangement of the connecting unit one, the connecting rod 17, the rotating shaft one 18 and the sliding plate 21, the rotating shaft two 14 can drive the clamping plate one 20 to slide along the direction of the sliding groove 24.
[0057] The top of the rotating disc 7 is provided with a groove four 25 located directly below the rotating shaft one 13, the bottom of the groove four 25 is fixedly connected with a motor one 26, the output end of the top of the motor one 26 is fixedly connected with the rotating shaft one 13, a rotating shaft three 27 is arranged below the groove four 25 and is fixedly sleeved with the rotating disc 7, the top of the bottom plate 1 is provided with a groove five 28 located directly below the rotating shaft three 27, the bottom of the groove five 28 is fixedly connected with a motor two 29, the output end of the top of the motor two 29 is fixedly connected with the rotating shaft three 27, through the arrangement of the motor one 26, the motor one 26 can be controlled to fasten the cement pole to be loaded, through the arrangement of the motor two 29, the motor two 29 can be controlled to rotate the rotating disc 7, so as to drive the cement pole to rotate, so as to detect the deflection change of the cement pole under the force loading in different directions.
[0058] The deflection detection mechanism 3 comprises a lead screw one 30 in rotational connection with the bottom plate 1, sliding rods 31 are arranged on both sides of the lead screw one 30 and are fixedly connected with the bottom plate 1, the top of each sliding rod 31 is fixedly connected with a mounting plate two 32 in rotational connection with the lead screw one 30, the top of the mounting plate two 32 is fixedly connected with a motor three 33, the output end of the bottom of the motor three 33 is fixedly connected with the lead screw one 30, the top of the lead screw one 30 is threadedly sleeved with a mounting plate three 34 in sliding connection with the sliding rod 31, the side of the mounting plate three 34 close to the clamping mechanism 4 is fixedly connected with an oil cylinder magnetostrictive displacement sensor 35, through the arrangement of the motor three 33, the motor three 33 can be controlled to drive the mounting plate three 34 to move along the direction of the lead screw one 30, so as to drive the oil cylinder magnetostrictive displacement sensor 35 to move along the direction of the lead screw one 30 synchronously, so as to detect the deflection change of the cement pole under the force loading in different positions.
[0059] The clamping mechanism 4 comprises two groups of T-shaped rotating plates 36 which are rotatably sleeved with the top of the deflection detection mechanism 3, the top of each of the two groups of rotating plates 36 is fixedly connected with a cylinder one 37, the side close to each other of the two groups of cylinder ones 37 is fixedly connected with a cylinder two 6 which is fixedly connected with the top of the deflection detection mechanism 3, the output end of the two groups of cylinder ones 37 is clamped with a same disc-shaped connecting plate two 38, the output end of the two groups of cylinder ones 37 is fixedly connected with a clamping block 39, the side close to each other of the two groups of clamping blocks 39 is fixedly connected with a tapered clamping tooth, the outer circle of the connecting plate two 38 is provided with a through groove one 40 which is clamped with the output end of the cylinder one 37, the inner side wall of the two sides of the through groove one 40 is provided with an inwardly recessed clamping groove, and the cross section of the clamping groove is consistent with the cross section of the clamping tooth, by arranging the cylinder two 6, the cylinder two 6 can control the output end of the two groups of cylinder ones 37 to be close to each other, so that the clamping tooth is clamped into the clamping groove, and the connecting plate 32 is prevented from falling off.
[0060] The bottom of the connecting plate two 38 is fixedly connected with an annular mounting plate four 41, the outer circle of the mounting plate four 41 is fixedly connected with an array of hydraulic oil cylinders 42 along the axis thereof, the output end of the plurality of groups of hydraulic oil cylinders 42 is fixedly connected with a fan-shaped clamping plate two 43, the oil inlet pipe of the plurality of groups of hydraulic oil cylinders 42 is fixedly connected with a same annular oil pipe one 44, the top of the oil pipe one 44 is fixedly connected with an oil pipe two 45, the top of the oil pipe two 45 is fixedly connected with an oil pump one 46, the top of the oil pump one 46 is fixedly connected with an oil tank one 47 which is fixedly connected with the outer circle of the mounting plate four 41, the oil outlet pipe of the plurality of groups of hydraulic oil cylinders 42 is fixedly connected with a same annular oil pipe three 48, the top of the oil pipe three 48 is fixedly connected with an oil pipe four 49, the top of the oil pipe four 49 is fixedly connected with an oil pump two 50, the top of the oil pump two 50 is fixedly connected with an oil tank two 51 which is fixedly connected with the outer circle of the mounting plate four 41, by arranging the oil pipe one 44 and the oil pipe three 48, the pressure oil entering the plurality of groups of hydraulic oil cylinders 42 can be the same, so as to control the extension amount of the output end of the plurality of groups of hydraulic oil cylinders 42 to be the same, and the clamping plate two 43 can better clamp the concrete pole.
[0061] The bottom outer ring of the mounting plate four 41 close to the loading mechanism 5 side is fixedly connected with a pull ring 52, the inside of the mounting plate four 41 is provided with a locking unit one, the locking unit one comprises a rotating shaft four 53 which is rotatably connected with the connecting plate two 38, the outer ring of the rotating shaft four 53 extending out of the connecting plate two 38 is fixedly connected with a ladder type structure of push plate 54 arranged along the axis of the rotating shaft four 53, and the number of the push plate 54 is consistent with that of the hydraulic oil cylinder 42, a plurality of groups of push plate 54 are all slidingly connected with a push rod 55 below, the end of the push rod 55 away from the rotating shaft four 53 is fixedly connected with a lock rod 56 which is slidingly connected with the inside wall of the mounting plate four 41, the bottom of the lock rod 56 penetrates a triangular structure of through slot two 58, the bottom of the lock rod 56 penetrates a U-shaped structure of through slot three 59, and the inside wall of the through slot three 59 is slidingly connected with the output end of the hydraulic oil cylinder 42, the outer ring of the lock rod 56 is slidingly connected with a U-shaped structure of limiting plate 57 which is fixedly connected with the inside wall of the mounting plate four 41, the top end of the lock rod 56 is fixedly connected with a spring which is fixedly connected with the bottom surface of the connecting plate two 38, the top of the connecting plate two 38 is fixedly connected with a motor four 61, and the output end of the bottom of the motor four 61 is fixedly connected with the rotating shaft four 53. By arranging the pull ring 52, the point of force during loading can be prevented from changing, so as to affect the detection result. By arranging the lock rod 56, the hydraulic oil cylinder 42 can be locked after the clamp plate two 43 clamps the cement pole, so as to prevent the output end of the hydraulic oil cylinder 42 from being forced to retract during loading. By arranging the push plate 54, the motor four 61 can be controlled to drive the rotating shaft four 53 to rotate, so as to drive the push plate 54 to push the lock rod 56, so as to achieve the purpose of locking the hydraulic oil cylinder 42.
[0062] The loading mechanism 5 comprises two groups of baffles 62 fixedly connected with the bottom plate 1, a lead screw two 63 is rotatably connected between the two groups of baffles 62, the outer ring of the lead screw two 63 is threadedly sleeved with a base 64 which is slidingly connected with the bottom plate 1, the end of the base 64 away from the fastening mechanism 2 is fixedly connected with a motor five 65 at the top, the output end of the motor five 65 is fixedly connected with a speed reducer 66 fixedly connected with the base 64, the output end of the speed reducer 66 is fixedly connected with a belt pulley 67, the outer ring of the belt pulley 67 is connected with a wireless electronic force gauge 68 through a knot, the side of the wireless electronic force gauge 68 close to the fastening mechanism 2 is provided with a fixed pulley 69 fixedly connected with the base 64, the end of the wireless electronic force gauge 68 close to the fixed pulley 69 is connected to the pull ring 52 through the fixed pulley 69 by a knot, the end of the lead screw two 63 extending out of the baffle 62 is fixedly connected with a motor six 60 fixedly connected with the base 64. By arranging the lead screw two 63, the motor six 60 can be controlled to drive the base 64 to slide on the bottom plate 1 along the direction of the lead screw two 63, so as to drive the fixed pulley 69 to move, so as to detect the deflection change of the cement pole under the force loading in different directions. By arranging the fixed pulley 69, the wireless electronic force gauge 68 can be kept in a horizontal stable state during loading, so as to be easy to observe and record.
[0063] The detection method of the equivalent wind load experiment detection system of the cement pole comprises the following steps,
[0064] S1, the fixed installation of the cement pole, using the crane to place the loaded cement pole between the multiple sets of clamping plates 20, starting the motor 26, driving the rotating shaft 13 to rotate, and then driving the sun gear 12 to rotate, so that the multiple sets of planetary gears 11 rotate synchronously and in the same direction, so that the multiple sets of rotating shafts 14 rotate synchronously and in the same direction, the rotating shafts 14 drive the connection unit 1 to rotate along the axis of the rotating shafts 14, and then drive the connecting rod 17 to move, so that the rotating shaft 19 moves, so that the clamping plate 20 and the sliding plate 21 move along the sliding groove 2, until the multiple sets of clamping plates 20 fasten the loaded cement pole.
[0065] S2, the clamping of the cement pole, starting the motor 33, driving the screw rod 30 to rotate, and then driving the mounting plate 34 to move, so that the clamping mechanism 4 moves synchronously to the specified position, starting the oil pump 46, pumping the oil in the oil tank 47 into the oil pipe 45, and then the oil in the oil pipe 45 flows into the hydraulic oil cylinder 42 through the oil pipe 1, so that the output end of the hydraulic oil cylinder 42 is elongated, and the clamping plate 43 is pushed to clamp the loaded cement pole.
[0066] Then start the motor 61, drive the rotating shaft 53 to rotate, and then drive the push plate 54 to rotate along the axis of the rotating shaft 53, so as to push the push rod 55 to move down, the push rod 55 drives the lock rod 56 to slide along the inner wall of the mounting plate 41, until the lock rod 56 abuts against the clamping plate 43, so that the output end of the hydraulic oil cylinder 42 cannot be retracted, achieving the purpose of locking the hydraulic oil cylinder 42.
[0067] Subsequently, start the air cylinder 2 6, drive the air cylinder 1 37 to rotate along the axis of the rotating plate 36, so that the clamping teeth fixedly connected with the clamping block 39 and the clamping groove in the inner wall of the through groove 1 40 are separated, start the air cylinder 1 37, drive the clamping block 39 away from the connecting plate 2 38, then start the oil cylinder magnetostrictive displacement sensor 35, so that the output end of the oil cylinder magnetostrictive displacement sensor 35 abuts against the outer circle of the cement pole, and record the data of the oil cylinder magnetostrictive displacement sensor 35 at this time .
[0068] S3, loading of the cement pole, starting the motor 65, driving the output end of the speed reducer 66 to rotate, and then driving the pulley 67 to rotate, so as to pull the wireless electronic force gauge 68 and the pull ring 52 through the pull rope, the pull ring 52 transmits the pulling force to the cement pole through the clamping mechanism 4, simulating the effect of wind load on the cement pole.
[0069] S4, detecting the deformation degree of the cement pole, specifically as follows,
[0070] S41, start the oil cylinder magnetostrictive displacement sensor 35, record the data of the oil cylinder magnetostrictive displacement sensor 35 at this time The output end of the magnetostrictive displacement sensor 35 of the oil cylinder is retracted, the motor three 33 is started, the lead screw one 30 is driven to rotate, the mounting plate three 34 is driven to move, and the magnetostrictive displacement sensor 35 of the oil cylinder is synchronously moved, so as to record multiple groups of data of the magnetostrictive displacement sensor 35 of the oil cylinder The deflection change amount of the cement pole at different positions under the same height, the same position, the same direction and the same size of force loading is = - .
[0071] S42, the size of the current flowing into the motor five 65 is changed through the sliding resistor, so as to change the driving force of the motor, achieve the purpose of changing the size of the equivalent wind load, repeat S41, and record multiple groups of data of the magnetostrictive displacement sensor 35 of the oil cylinder The deflection change amount of the cement pole at different positions under the same height, the same position, the same direction and different sizes of force loading is = - .
[0072] S43, the motor six 60 is started, the lead screw two 63 is driven to rotate, the base 64 is driven to slide on the bottom plate 1 in the direction of the lead screw two 63, the motor five 65, the speed reducer 66, the pulley 67, the wireless electronic force gauge 68 and the fixed pulley 69 are synchronously moved, the purpose of changing the direction of the equivalent wind load is achieved, S41 and S42 are repeated, and multiple groups of data of the magnetostrictive displacement sensor 35 of the oil cylinder are recorded The deflection change amount of the cement pole under the same height, the same position, different directions and different sizes of force loading is = - .
[0073] S44, the loading mechanism 5 and the clamping mechanism 4 are respectively returned to the initial state according to the opposite steps of S3 and S2, the motor two 29 is started, the rotating shaft three 27 is driven to rotate, the fastening mechanism 2 is driven to rotate, the cement pole is driven to rotate, the purpose of changing the position of the equivalent wind load is achieved, S2, S3, S41, S42 and S43 are repeated, and multiple groups of data of the magnetostrictive displacement sensor 35 of the oil cylinder are recorded The deflection change amount of the cement pole under the same height, different positions, different directions and different sizes of force loading is = - .
[0074] S45, the loading mechanism 5 and the clamping mechanism 4 return to the initial state according to the reverse steps of S3 and S2 respectively, S2 is repeated to move the clamping mechanism 4 to different height positions to clamp the cement pole, the purpose of changing the equivalent wind load height is achieved, S3, S41, S42, S43 and S44 are repeated, and multiple groups of data of the cylinder magnetostrictive displacement sensor 35 are recorded The deflection change amount of the cement pole under the force loading of different heights, different positions, different directions and different sizes is = - .
[0075] The deformation condition of the cement pole under the action of different equivalent wind loads can be obtained by loading by using the above method and recording data.
[0076] The above embodiment is only a preferred embodiment of the present application, and cannot be used to limit the protection scope of the present application, and any non-essential changes and replacements made by the person skilled in the art on the basis of the present application all belong to the protection scope of the present application.
Claims
1. A cement pole equivalent wind load experimental detection system, comprising a base plate, characterized in that: The side of the bottom plate is fixedly connected with a fastening mechanism, one side of the fastening mechanism is provided with a deflection detection mechanism fixedly connected with the bottom plate, the top of the deflection detection mechanism is connected with a clamping mechanism, and one side of the clamping mechanism away from the deflection detection mechanism is provided with a loading mechanism connected with the bottom plate; The fastening mechanism comprises a rotating disc in sliding connection with the bottom plate, a groove one is formed in the top of the rotating disc, an installation plate one is fixedly connected to the bottom inner wall of the groove one, a through hole penetrates through the top of the installation plate one, T-shaped sliding grooves are arrayed on the top of the installation plate one along the axis thereof, a groove two is formed in the bottom of the installation plate one, a plurality of planetary gears in sliding connection with the bottom inner wall of the groove one are arrayed below the groove two along the axis thereof, the same gear ring is engaged with the plurality of planetary gears, a sun gear in meshing connection with the planetary gears is arranged in the inner circle of the gear ring, a rotating shaft one is fixedly sleeved with the sun gear, a rotating shaft two is fixedly sleeved with the plurality of planetary gears, a connecting unit one is fixedly connected to the top of the rotating shaft two, a connecting rod is rotatably sleeved with the connecting unit one close to one end of the through hole, a rotating shaft two is fixedly connected to the bottom of the connecting rod close to one end of the through hole, a fan-shaped clamping plate one in sliding connection with the top surface of the installation plate one is rotatably sleeved with the rotating shaft two, and the clamping plate one is fixedly connected with a T-shaped sliding plate. The clamping mechanism comprises two groups of T-shaped rotating plates rotatably sleeved with the top of the deflection detection mechanism, a gas cylinder one is fixedly connected to the top of each rotating plate, a gas cylinder two fixedly connected with the top of the deflection detection mechanism is fixedly connected to one side of each gas cylinder one close to each other, a connecting plate two of a disc-shaped structure is clamped to the output end of each gas cylinder one, a through groove one is formed in the outer circle of the connecting plate two and is clamped to the output end of the gas cylinder one, an annular installation plate four is fixedly connected to the bottom of the connecting plate two, a hydraulic oil cylinder is fixedly connected to the outer circle of the installation plate four along the axis thereof, a plurality of fan-shaped clamping plates two are fixedly connected to the output end of the plurality of hydraulic oil cylinders, a pull ring is fixedly connected to the bottom outer circle of the installation plate four close to the loading mechanism, and a locking unit one is arranged in the interior of the installation plate four.
2. The equivalent wind load test system for a cement pole according to claim 1, characterized in that: The deflection detection mechanism comprises a lead screw one in rotational connection with the bottom plate, sliding rods fixedly connected with the bottom plate are arranged on both sides of the lead screw one, an installation plate two in rotational connection with the lead screw one is fixedly connected to the top of each sliding rod, an installation plate three in sliding connection with the sliding rod is threadedly sleeved with the top of the lead screw one, an oil cylinder magnetostrictive displacement sensor is fixedly connected to one side of the installation plate three close to the clamping mechanism.
3. The equivalent wind load test system for a cement pole according to claim 1, wherein: The loading mechanism includes two groups of baffles fixed to the bottom plate, two groups of the baffle are rotatably connected with the screw two, the screw two outer circle is threadedly connected with the base which is slidingly connected with the bottom plate, the base is fixedly connected with the motor five at the top of the end away from the fastening mechanism, the output end of the motor five is fixedly connected with the reduction box which is fixedly connected with the base, the output end of the reduction box is fixedly connected with the pulley, the pulley outer circle is connected with the wireless electronic force gauge through the knot, the wireless electronic force gauge is provided with the fixed pulley which is fixedly connected with the base on the side close to the fastening mechanism, the end of the wireless electronic force gauge close to the fixed pulley is connected with the pull ring through the fixed pulley through the knot, the end of the screw two protruding from the baffle is fixedly connected with the motor six which is fixedly connected with the base.
4. The equivalent wind load test system for a cement pole according to claim 1, wherein: The connecting unit one includes a connecting plate one, a recess three is formed on the side close to the through hole of the connecting plate one, a rotating shaft one is arranged in the recess three and fixedly connected with the connecting plate one, and the rotating shaft one is rotatably sleeved with the connecting rod, and the number of the rotating shaft two is consistent with that of the sliding groove.
5. The equivalent wind load test system for a cement pole according to claim 2, wherein: The top of the rotating disc is provided with a recess four located directly below the rotating shaft one, the bottom of the recess four is fixedly connected with a motor one, and the output end of the top of the motor one is fixedly connected with the rotating shaft one, a rotating shaft three is arranged below the recess four and fixedly sleeved with the rotating disc, the top of the bottom plate is provided with a recess five located directly below the rotating shaft three, the bottom of the recess five is fixedly connected with a motor two, and the output end of the top of the motor two is fixedly connected with the rotating shaft three, and the top of the mounting plate two is fixedly connected with a motor three, and the output end of the bottom of the motor three is fixedly connected with the screw one.
6. The equivalent wind load test system for a cement pole according to claim 1, wherein: The output end of the two groups of air cylinders one is fixedly connected with a clamping block, the side close to each other of the two groups of clamping blocks is fixedly connected with a clamping tooth of a tapered structure, and the inner side wall of the two sides of the through groove one is provided with a clamping groove recessed inward, and the cross section of the clamping groove is consistent with that of the clamping tooth.
7. The equivalent wind load test system for a cement pole according to claim 1, wherein: The oil inlet pipe of the plurality of groups of hydraulic oil cylinders is fixedly connected with an oil pipe one of the same annular structure, the top of the oil pipe one is fixedly connected with an oil pipe two, the top of the oil pipe two is fixedly connected with an oil pump one, the top of the oil pump one is fixedly connected with an oil tank one fixedly connected with the outer circle of the mounting plate four, the oil outlet pipe of the plurality of groups of hydraulic oil cylinders is fixedly connected with an oil pipe three of the same annular structure, the top of the oil pipe three is fixedly connected with an oil pipe four, the top of the oil pipe four is fixedly connected with an oil pump two, and the top of the oil pump two is fixedly connected with an oil tank two fixedly connected with the outer circle of the mounting plate four.
8. The equivalent wind load test system for a cement pole according to claim 1, wherein: The locking unit one includes a rotating shaft four rotatably sleeved with the connecting plate two, the outer circle of the rotating shaft four protruding from the connecting plate two is fixedly connected with a push plate of a ladder type structure arranged in an array along the axis of the rotating shaft four, a plurality of groups of push rods are slidingly connected below the push plates, the end away from the rotating shaft four of the push rod is fixedly connected with a lock rod slidingly connected with the inner side wall of the mounting plate four, the outer circle of the lock rod is slidingly connected with a limiting plate of a U-shaped structure fixedly connected with the inner side wall of the mounting plate four, and the top end of the lock rod is fixedly connected with a spring fixedly connected with the bottom surface of the connecting plate two.
9. The equivalent wind load test system for a cement pole according to claim 8, characterized in that: The bottom of the lock rod penetrates a through groove two of a triangular structure, the bottom of the lock rod penetrates a through groove three of a U-shaped structure, the top of the connecting plate two is fixedly connected with a motor four, and the output end of the bottom of the motor four is fixedly connected with the rotating shaft four.
10. A method of testing a system for testing the equivalent wind load of a concrete pole according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: S1, the fixed installation of the cement pole, using a crane to place the cement pole to be loaded on the fastening mechanism, and the fastening mechanism fastens the cement pole to be loaded; S2, clamping of the cement pole, controlling the clamping mechanism to clamp the cement pole to be loaded; S3, loading of the cement pole, starting the loading mechanism to simulate the effect of wind load on the cement pole; S4, detecting the deformation degree of the cement pole, specifically as follows, S41, starting the deflection detection mechanism to measure the deflection changes of different positions of the cement pole under the same height, same position, same direction and same size of force loading, and record the data; S42, controlling the loading mechanism to load different sizes of force on the cement pole, repeating S41, so as to measure the deflection changes of different positions of the cement pole under the same height, same position, same direction and different sizes of force loading, and record the data; S43, controlling the loading mechanism to move, repeating S41 and S42, so as to measure the deflection changes of different positions of the cement pole under the same height, same position, different directions and different sizes of force loading, and record the data; S44, the loading mechanism and the clamping mechanism return to the initial state according to the opposite steps of S3 and S2 respectively, rotating the fastening mechanism to rotate the cement pole, and then repeating S2, S3, S41, S42 and S43, so as to measure the deflection changes of different positions of the cement pole under the same height, different positions, different directions and different sizes of force loading, and record the data; S45, the loading mechanism and the clamping mechanism return to the initial state according to the opposite steps of S3 and S2 respectively, controlling the deflection detection mechanism to move and drive the clamping mechanism to move, repeating S2, S3, S41, S42, S43 and S44, so as to measure the deflection changes of different positions of the cement pole under different heights, different positions, different directions and different sizes of force loading, and record the data.
Citation Information
Patent Citations
Wind force testing model for measuring wind load of wind force generating tower
KR101647986B1
Method and device for testing the stability and / or bending strength of masts
WO2007017090A1