CN114544371A - Building scaffold steel pipe strength detection device and method - Google Patents
Building scaffold steel pipe strength detection device and method Download PDFInfo
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- CN114544371A CN114544371A CN202210179584.8A CN202210179584A CN114544371A CN 114544371 A CN114544371 A CN 114544371A CN 202210179584 A CN202210179584 A CN 202210179584A CN 114544371 A CN114544371 A CN 114544371A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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Abstract
The invention discloses a building scaffold steel pipe strength detection device and a method, belonging to the technical field of scaffold steel pipe strength, comprising a detection workbench and support legs fixedly arranged at the lower end of the detection workbench, wherein the middle part of the detection workbench is provided with a support mechanism for supporting a steel pipe to be detected, the upper end of the detection workbench is slidably provided with a measurement component for detecting the steel pipe to be detected, the upper end of the detection workbench is also provided with a pressure application component for applying pressure to the steel pipe to be detected, and the pressure application component is internally provided with a pressure application component for pressing the steel pipe to be detected, in the invention, the measurement component can rapidly carry out data measurement on the steel pipe before detection and the steel pipe after pressure application, the numerical value of allowable deviation can be directly obtained by comparing two groups of data, the participation of manpower is saved, and the error caused by manual operation is reduced, the time for detecting the strength of the steel pipe of the building scaffold is greatly shortened.
Description
Technical Field
The invention relates to the technical field of scaffold steel pipe strength detection, in particular to a building scaffold steel pipe strength detection device and method.
Background
The fastener type steel pipe scaffold refers to a scaffold and a support frame which are erected for building construction and bear load and are composed of fasteners, steel pipes and the like, and is generally called as a scaffold, wherein the fasteners are fastening connecting pieces fastened by bolts.
Building scaffold steel pipe all need examine it and accept before putting into practical use, the visual inspection of building scaffold steel pipe alright go on through artifical inspection, but the bending deformation of building scaffold steel pipe needs professional instrument to inspect, and all need the manual work to measure the crookedness of scaffold steel pipe around the inspection, artifical measurement can have the experimental error that is difficult to avoid, need carry out a lot of measurements, thereby the check-out time that leads to single steel pipe is longer, provide a building scaffold steel pipe strength detection device and method for this.
Disclosure of Invention
The invention aims to: in order to solve the problems, the device and the method for detecting the strength of the steel pipe of the building scaffold are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the building scaffold steel pipe strength detection device comprises a detection workbench and supporting legs fixedly arranged at the lower end of the detection workbench, wherein a supporting mechanism used for supporting a steel pipe to be detected is arranged in the middle of the detection workbench, a measuring assembly used for detecting the steel pipe to be detected is arranged at the upper end of the detection workbench in a sliding mode, a pressing assembly used for pressing the steel pipe to be detected is further arranged at the upper end of the detection workbench, and a pressing assembly used for pressing the steel pipe to be detected is further arranged inside the pressing assembly;
the support mechanism comprises two U-shaped blocks symmetrically and slidably arranged at the upper end of the detection workbench and an adjusting shell fixedly arranged at the lower end of the detection workbench, a support roller rod is rotatably arranged on the inner side of the middle part of each U-shaped block, a first driving motor is fixedly arranged on one side of the outer part of each adjusting shell, a bidirectional lead screw is also rotatably arranged in each adjusting shell, the output end of each first driving motor is connected with one end of the bidirectional lead screw, two threaded seats are symmetrically and rotatably arranged in the middle of each bidirectional lead screw through threaded connection, and the upper ends of the threaded seats are fixedly connected with the lower end of the U-shaped block;
the pressure applying assembly comprises a portal frame fixedly arranged at the upper end of the detection workbench, a hydraulic cylinder is fixedly arranged in the middle of the upper end of the portal frame, and an upper compression roller is fixedly arranged at the output end of the hydraulic cylinder on the inner side of the portal frame.
As a further description of the above technical solution:
the measuring component comprises an L-shaped sliding plate which is arranged at the upper end of the detection workbench in a sliding way and is positioned between the two U-shaped blocks and a driving shell which is fixedly arranged at the lower end of the detection workbench, a second driving motor is fixedly arranged on the outer side of the driving shell, a reciprocating screw rod is rotatably arranged in the driving shell, the output end of the second driving motor is connected with one end of a reciprocating screw rod, the middle part of the reciprocating screw rod is provided with a sliding block through threaded connection, the upper end of the sliding block is fixedly connected with the lower end of the L-shaped sliding plate, the upper end of the L-shaped sliding plate is symmetrically provided with a left vertical plate and a right vertical plate, the middle part of one side of the left vertical plate close to the right vertical plate is provided with a strip-shaped groove, and the inside vertical a plurality of infrared emitter that are provided with of bar groove of left riser, the bar groove has also been seted up at one side middle part that right riser is close to left riser, and the inside vertical a plurality of infrared receiver that are provided with of bar groove of right riser.
The compression assembly comprises an Contraband-shaped shell fixedly arranged in one end of the portal frame, two rotating shafts are symmetrically and rotatably arranged above the inner part of the Contraband-shaped shell, a rotating rod is rotatably arranged in the middle of each rotating shaft, and a sleeve assembly is fixedly arranged at one end, positioned outside the Contraband-shaped shell, of each rotating rod;
the inside below of Contraband type casing slides and is equipped with the drive plate, the fixed two articulated seats that are equipped with of upper end symmetry of drive plate, the articulated connecting rod that is equipped with of lower extreme of bull stick, the other end of connecting rod sets up with the middle part of articulated seat is articulated, the middle part of drive plate still is equipped with two through threaded connection symmetry rotation and rotates the lead screw, the upper end of rotating the lead screw and the interior wall connection of Contraband type casing, the lower extreme that rotates the lead screw is connected with the bottom of drive shell, the lower extreme that rotates the lead screw is equipped with the gear in the inside of drive shell is fixed, the sliding block is close to one side middle part of gear and passes through connecting block fixedly connected with rack, rack and two gear intermeshing, the gliding spout of the rack of being convenient for is seted up to the inside of drive shell.
The sleeve subassembly is including the fixed sleeve of locating bull stick one end, telescopic inside slip is equipped with T type pole, telescopic inside is still fixed and is equipped with extrusion spring, extrusion spring's the other end and the upper end fixed connection of T type pole, the fixed Contraband type piece that is equipped with of lower extreme of T type pole, the inboard rotation of lower extreme of Contraband type piece is equipped with the compression roller.
As a further description of the above technical solution:
two rectangular grooves convenient for the sliding of the threaded seat are symmetrically formed in the upper end of the detection workbench, and a sliding groove convenient for the sliding of the L-shaped sliding plate is further formed in the upper end of the detection workbench.
As a further description of the above technical solution:
the lower extreme of test table still is equipped with the data processing controller, the signal output part and the signal input part electric connection of pneumatic cylinder, first driving motor, second driving motor and infrared emitter of data processing controller, the signal input part and the signal output part telecommunications connection of infrared receiver of data processing controller.
As a further description of the above technical solution:
the inner wall of the Contraband type shell is symmetrically provided with two sliding grooves which are convenient for the rotating rod to rotate.
As a further description of the above technical solution:
comprises the following steps:
a. the first driving motor is controlled to work to adjust the placing positions of the two U-shaped blocks on the detection workbench, so that the relative distance between the two supporting roller rods is adjusted, the span between the two supporting roller rods is determined and recorded, and different spans can be properly adjusted for scaffold steel pipes to be detected with different sizes;
b. manually placing the scaffold steel pipe to be detected above the two supporting roller rods, and ensuring that the scaffold steel pipe to be detected is in a central position during placement;
c. starting a second driving motor, enabling the L-shaped sliding plate to slide at the upper end of the detection workbench when the second driving motor works, enabling the infrared emitter and the infrared receiver to work by the data processing controller, so that the outer diameter and the initial bending condition of the scaffold steel pipe to be detected are determined, enabling the pressing assembly to work when the L-shaped sliding plate slides, and firmly pressing the scaffold steel pipe to be detected at the upper ends of the two supporting roller rods;
d. starting the hydraulic cylinder, starting to apply positive pressure to the middle part of the scaffold steel pipe to be detected by an upper pressure roller rod fixedly arranged at the telescopic end of the hydraulic cylinder, stabilizing the pressure for 5-10 minutes after the working pressure of the hydraulic cylinder reaches the preset pressure, and then decompressing and recovering the hydraulic cylinder to an initial state;
e. the second driving motor is started again, the second driving motor works to enable the L-shaped sliding plate to slide at the upper end of the detection workbench and return to an initial state, the L-shaped sliding plate slides to enable the pressing assembly to return to the initial state, so that the pressing assembly is contacted to press the scaffold steel pipe to be detected, meanwhile, the data processing controller enables the infrared emitter and the infrared receiver to work, and therefore the outer diameter of the scaffold steel pipe to be detected and the bending condition after pressing are determined;
f. the data processing controller compares the initial bending condition with the bending condition after pressing, so as to directly obtain the allowable deviation, and the detection result can be obtained by comparing the allowable deviation of the structural parts.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, data measurement can be rapidly carried out on the steel pipe before the steel pipe is detected and the steel pipe after the pressure is applied through the measuring assembly, and the numerical value of the allowable deviation can be directly obtained through comparison of the two groups of data, so that the participation of manpower is saved, the error caused by manual operation is reduced, and the time for detecting the strength of the steel pipe of the building scaffold is greatly shortened.
2. According to the invention, the compression assembly is driven to work through the measuring assembly so as to compress the steel pipe to be detected, so that the steel pipe to be detected is positioned right above the two supporting roller rods and is only influenced by self gravity in the whole measuring process, and the detection accuracy of the measuring assembly is further improved.
Drawings
FIG. 1 is a schematic exterior view of an inspection station provided according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an initial configuration of a hold-down assembly provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a schematic structural diagram of a support mechanism provided according to an embodiment of the present invention;
FIG. 4 illustrates a schematic diagram A-A of FIG. 1 provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a hold-down assembly provided in accordance with an embodiment of the present invention;
FIG. 6 illustrates a cross-sectional view of an Contraband-type shell provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating an operational configuration of a hold-down assembly provided in accordance with an embodiment of the present invention;
FIG. 8 illustrates a bottom view of an inspection station provided in accordance with an embodiment of the present invention;
fig. 9 is a schematic view illustrating an internal structure of a driving housing provided according to an embodiment of the present invention;
fig. 10 shows a schematic structural view of a sleeve assembly provided according to an embodiment of the present invention.
Illustration of the drawings: 1. a detection workbench; 2. a support mechanism; 3. a pressure applying assembly; 4. a compression assembly; 5. a measurement assembly; 201. a U-shaped block; 202. supporting the roller rod; 203. an adjustment housing; 204. a first drive motor; 205. a bidirectional screw rod; 206. a threaded seat; 301. a gantry; 302. a hydraulic cylinder; 303. pressing the roller rod; 501. a drive case; 502. a second drive motor; 503. a reciprocating screw rod; 504. a slider; 505. an L-shaped sliding plate; 506. a left riser; 507. a right vertical plate; 401. model Contraband shell; 402. a rotating shaft; 403. a rotating rod; 404. a drive plate; 405. a hinged seat; 406. a connecting rod; 407. rotating the screw rod; 408. a gear; 409. a rack; 410. a sleeve; 411. a T-shaped rod; 412. a compression spring; 413. and (4) pressing the rolls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution:
the building scaffold steel pipe strength detection device comprises a detection workbench 1 and supporting legs fixedly arranged at the lower end of the detection workbench 1, wherein a supporting mechanism 2 used for supporting a steel pipe to be detected is arranged in the middle of the detection workbench 1, a measuring assembly 5 used for detecting the steel pipe to be detected is arranged at the upper end of the detection workbench 1 in a sliding mode, a pressing assembly 3 used for pressing the steel pipe to be detected is further arranged at the upper end of the detection workbench 1, and a pressing assembly 4 used for pressing the steel pipe to be detected is further arranged inside the pressing assembly 3;
the supporting mechanism 2 comprises two U-shaped blocks 201 which are symmetrically and slidably arranged at the upper end of the detection workbench 1 and an adjusting shell 203 which is fixedly arranged at the lower end of the detection workbench 1, a supporting roller 202 is rotatably arranged on the inner side of the middle part of each U-shaped block 201, a first driving motor 204 is fixedly arranged on one side of the outer part of each adjusting shell 203, a bidirectional screw rod 205 is further rotatably arranged in each adjusting shell 203, the output end of each first driving motor 204 is connected with one end of the bidirectional screw rod 205, two threaded seats 206 are symmetrically and rotatably arranged in the middle part of each bidirectional screw rod 205 through threaded connection, and the upper ends of the threaded seats 206 are fixedly connected with the lower end of the U-shaped block 201;
the pressing component 3 comprises a portal frame 301 fixedly arranged at the upper end of the detection workbench 1, a hydraulic cylinder 302 is fixedly arranged in the middle of the upper end of the portal frame 301, and an upper press roll rod 303 is fixedly arranged at the output end of the hydraulic cylinder 302 on the inner side of the portal frame 301.
Further, the measuring component 5 comprises an L-shaped sliding plate 505 which is slidably arranged at the upper end of the detection workbench 1 and is positioned between the two U-shaped blocks 201, and a driving shell 501 which is fixedly arranged at the lower end of the detection workbench 1, a second driving motor 502 is fixedly arranged at the outer side of the driving shell 501, a reciprocating screw rod 503 is rotatably arranged inside the driving shell 501, the output end of the second driving motor 502 is connected with one end of the reciprocating screw rod 503, a sliding block 504 is arranged at the middle part of the reciprocating screw rod 503 through threaded connection, the upper end of the sliding block 504 is fixedly connected with the lower end of the L-shaped sliding plate 505, a left vertical plate 506 and a right vertical plate 507 are symmetrically arranged at the upper end of the L-shaped sliding plate 505, a strip-shaped groove is arranged at the middle part of one side of the left vertical plate 506, which is close to the right vertical plate 507, a plurality of infrared emitters are vertically arranged inside the strip-shaped groove of the left vertical plate 506, a strip-shaped groove is also arranged at the middle part of one side of the right vertical plate 507, which is close to the left vertical plate 506, and a plurality of infrared receivers are vertically arranged inside the strip-shaped groove of the right vertical plate 507.
The pressing component 4 comprises an Contraband-shaped shell 401 fixedly arranged inside one end of the portal frame 301, two rotating shafts 402 are symmetrically and rotatably arranged above the inside of the Contraband-shaped shell 401, a rotating rod 403 is rotatably arranged in the middle of each rotating shaft 402, and a sleeve component is fixedly arranged at one end, located outside the Contraband-shaped shell 401, of each rotating rod 403;
the inner lower portion of the Contraband-type shell 401 is provided with a driving plate 404 in a sliding mode, the upper end of the driving plate 404 is symmetrically and fixedly provided with two hinged seats 405, the lower end of a rotating rod 403 is hinged to a connecting rod 406, the other end of the connecting rod 406 is hinged to the middle of the hinged seats 405, the middle of the driving plate 404 is further provided with two rotating lead screws 407 in a threaded connection and symmetrical rotation mode, the upper end of each rotating lead screw 407 is connected with the inner wall of the Contraband-type shell 401, the lower end of each rotating lead screw 407 is connected with the bottom of the driving shell 501, a gear 408 is fixedly arranged inside the driving shell 501 at the lower end of each rotating lead screw 407, a rack 409 is fixedly connected to the middle of one side, close to the gear 408, of each sliding block 504, the rack 409 is meshed with the two gears 408, and a sliding chute convenient for sliding of the rack 409 is formed inside the driving shell 501.
The sleeve component comprises a sleeve 410 fixedly arranged at one end of the rotating rod 403, a T-shaped rod 411 is arranged inside the sleeve 410 in a sliding mode, an extrusion spring 412 is further fixedly arranged inside the sleeve 410, the other end of the extrusion spring 412 is fixedly connected with the upper end of the T-shaped rod 411, an Contraband-shaped block is fixedly arranged at the lower end of the T-shaped rod 411, and an upper compression roller 413 is rotatably arranged on the inner side of the lower end of the Contraband-shaped block.
Further, two rectangular grooves convenient for the sliding of the threaded seat 206 are symmetrically formed in the upper end of the detection workbench 1, and a sliding groove convenient for the sliding of the L-shaped sliding plate 505 is further formed in the upper end of the detection workbench 1.
Further, the lower end of the detection workbench 1 is also provided with a data processing controller, the signal output end of the data processing controller is electrically connected with the hydraulic cylinder 302, the first driving motor 204, the second driving motor 502 and the signal input end of the infrared transmitter, and the signal input end of the data processing controller is in telecommunication connection with the signal output end of the infrared receiver.
Furthermore, two sliding grooves which are convenient for the rotation of the rotating rod 403 are symmetrically formed on the inner wall of the Contraband type shell 401.
Further, the method comprises the following steps:
a. controlling the work of the first driving motor 204 to adjust the placing positions of the two U-shaped blocks 201 on the detection workbench 1, so as to adjust the relative distance between the two supporting roller rods 202, determining and recording the span (L) between the two supporting roller rods 202, and properly adjusting different spans (L) for scaffold steel pipes to be detected with different sizes;
b. manually placing the scaffold steel pipe to be detected above the two supporting roller rods 202, and ensuring that the scaffold steel pipe to be detected is in a central position during placement;
c. starting a second driving motor 502, enabling an L-shaped sliding plate 505 to slide at the upper end of the detection workbench 1 when the second driving motor 502 works, enabling an infrared emitter and an infrared receiver to work by a data processing controller, so as to determine the outer diameter and the initial bending condition of the scaffold steel pipe to be detected, enabling a pressing component 4 to work when the L-shaped sliding plate 505 slides, and firmly pressing the scaffold steel pipe to be detected at the upper ends of two supporting rollers 202;
d. starting the hydraulic cylinder 302, applying positive pressure to the middle part of the scaffold steel pipe to be detected by the upper compression roller 303 fixedly arranged at the telescopic end of the hydraulic cylinder 302, stabilizing the pressure for 5-10 minutes after the working pressure of the hydraulic cylinder 302 reaches the preset pressure, and then relieving the pressure by the hydraulic cylinder 302 and recovering to the initial state;
e. the second driving motor 502 is started again, the second driving motor 502 works to enable the L-shaped sliding plate 505 to slide at the upper end of the detection workbench 1 and return to an initial state, the L-shaped sliding plate 505 slides to enable the pressing assembly 4 to return to the initial state, so that the pressing assembly 4 is contacted to press the scaffold steel pipe to be detected, meanwhile, the data processing controller enables the infrared emitter and the infrared receiver to work, and therefore the outer diameter of the scaffold steel pipe to be detected and the bending condition after pressing are determined;
f. the data processing controller compares the initial bending condition with the bending condition after pressing so as to directly obtain the allowable deviation (delta, unit: mm), and the detection result can be obtained by comparing the allowable deviation of the component parts.
The working principle is as follows: firstly, determining the relative distance between two supporting roller rods 202, namely the span (L, unit: mm), starting a first driving motor 204, driving a bidirectional screw rod 205 to rotate by the first driving motor 204, so that two threaded seats 206 move in the same direction or in opposite directions, and moving the two threaded seats 206 so that two U-shaped blocks 201 move at the upper end of a detection workbench 1, so as to adjust the relative distance between the two supporting roller rods 202, namely the span, wherein different spans need to be changed for scaffold steel pipes to be detected with different sizes;
secondly, placing a sample to be detected, manually placing a scaffold steel pipe to be detected (selecting a phi 48 multiplied by 3.5 steel pipe) at the upper ends of the two supporting roller rods 202, and simultaneously adjusting the placing position of the scaffold steel pipe to be detected, so that the middle part of the scaffold steel pipe to be detected is positioned right below the upper pressing roller rod 303;
thirdly, during measurement before pressure application, the data processing controller sends out a control signal to enable the second driving motor 502 to be electrified and work, the second driving motor 502 drives the reciprocating screw rod 503 to rotate, the reciprocating screw rod 503 rotates to enable the sliding block 504 to move, and the sliding block 504 is fixedly connected with the L-shaped sliding plate 505, so that the L-shaped sliding plate 505 moves at the upper end of the detection workbench 1, and the moving track is as follows: the L-shaped sliding plate 505 slowly slides from the right end of the detection workbench 1 to the left end of the detection workbench 1, at the moment, the data processing controller also sends out a control signal to enable the infrared emitter and the infrared receiver to start working, the infrared receiver receives infrared rays sent by the infrared emitter and then transmits data to the data processing controller, and the data processing controller receives the signal and then processes and records the initial bending condition of the scaffold steel pipe to be detected;
when the sliding block 504 drives the L-shaped sliding plate 505 to move, the sliding block 504 also drives the rack 409 to move, the rack 409 moves to rotate the two gears 408, the gears 408 rotate to rotate the rotating screws 407, the rotation of the two rotating screws 407 causes the driving plate 404 to move upwards, the driving plate 404 moves upwards to cause the two hinge bases 405 to move upwards, thereby driving the connecting rod 406 to rotate upwards, further causing the rotating rod 403 to rotate 90 degrees around the rotating shaft 402, and when the rotating rod 403 rotates 90 degrees, the two sleeve assemblies can firmly press the scaffold steel pipe to be detected;
when the sleeve assembly rotates by 90 degrees, the upper compression roller 413 can be firstly contacted with the scaffold steel pipe to be detected, as the upper compression roller 413 and the T-shaped rod 411 are integrated and slide in the sleeve 410, the upper compression roller 413 and the T-shaped rod 411 can slowly move towards the interior of the sleeve 410 along with the rotation of the sleeve assembly, after the sleeve assembly rotates by 90 degrees, the middle part of the lower end of the upper compression roller 413 is contacted with the middle part of the upper end of the scaffold steel pipe to be detected, and at the moment, the compression spring 412 provides pressure to drive the upper compression roller 413 to extend out, so that the scaffold steel pipe to be detected is further compressed;
fourthly, applying positive pressure (F, unit: N), after the scaffold steel pipe to be detected is firmly pressed, sending a control signal by a data processing controller to enable a hydraulic cylinder 302 to start working, enabling an output end of the hydraulic cylinder 302 to extend out, so that an upper press roll rod 303 moves downwards, and with the continuous downward movement of the upper press roll rod 303, slowly contacting the arc-shaped lower end of the upper press roll rod 303 with the upper end of the middle part of the scaffold steel pipe to be detected, due to the continuous working of the hydraulic cylinder 302, the upper press roll rod 303 continuously applies the positive pressure (F, unit: N) to bend the scaffold steel pipe until a rated load (F is 205N/mm2) is reached, after the preset load is reached, after stabilizing pressure for 5-10 minutes, relieving the pressure of the hydraulic cylinder 302 to restore to an initial state, and accordingly enabling the upper press roll rod 303 to be far away from the bent scaffold steel pipe;
fifthly, after the measurement after the pressure is applied, after the hydraulic cylinder 302 is decompressed and restored to the initial state, the data processing controller sends a control signal to enable the second driving motor 502 to be electrified and operated, the second driving motor 502 drives the reciprocating screw rod 503 to rotate, due to the mutual matching of the reciprocating screw rod 503 and the sliding block 504, the sliding block 504 moves towards one side of the second driving motor 502, and due to the fixed connection of the sliding block 504 and the L-shaped sliding plate 505, the L-shaped sliding plate 505 moves at the upper end of the detection workbench 1, and the moving track is as follows: the L-shaped sliding plate 505 slowly slides from the left end of the detection workbench 1 to the right end of the detection workbench 1, at the moment, the data processing controller also can send a control signal to enable the infrared emitter and the infrared receiver to start working, the infrared receiver receives infrared rays sent by the infrared emitter and transmits data to the data processing controller, the data processing controller receives the signal and processes the signal and records the bending condition of the steel pipe of the scaffold after being pressed, the data processing controller compares the initial bending condition with the bending condition after being pressed, if the allowable deviation delta is less than or equal to 12mm, the quality of the steel pipe of the scaffold to be detected can be judged to be in accordance with the use standard, and if the allowable deviation delta is more than or equal to 12mm, the quality of the steel pipe of the scaffold to be detected can be judged to be not in accordance with the use standard.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. Building scaffold steel pipe strength detection device, including detection workstation (1) and the fixed supporting leg that locates detection workstation (1) lower extreme, its characterized in that, the middle part of detection workstation (1) is equipped with supporting mechanism (2) that are used for supporting the steel pipe of waiting to examine, the upper end slip of detection workstation (1) is equipped with measuring component (5) that are used for detecting the steel pipe of waiting to examine, the upper end of detection workstation (1) still is equipped with pressure applying component (3) that are used for examining the steel pipe and exert pressure, the inside of pressure applying component (3) still is equipped with the compressing assembly (4) that are used for compressing tightly waiting to examine the steel pipe;
the supporting mechanism (2) comprises two U-shaped blocks (201) which are symmetrically and slidably arranged at the upper end of the detection workbench (1) and an adjusting shell (203) which is fixedly arranged at the lower end of the detection workbench (1), a supporting roller rod (202) is rotatably arranged on the inner side of the middle part of each U-shaped block (201), a first driving motor (204) is fixedly arranged on one side of the outer part of each adjusting shell (203), a bidirectional screw rod (205) is further rotatably arranged in each adjusting shell (203), the output end of each first driving motor (204) is connected with one end of each bidirectional screw rod (205), two thread seats (206) are symmetrically and rotatably arranged in the middle part of each bidirectional screw rod (205) through thread connection, and the upper ends of the thread seats (206) are fixedly connected with the lower ends of the U-shaped blocks (201);
the pressing assembly (3) comprises a portal frame (301) fixedly arranged at the upper end of the detection workbench (1), a hydraulic cylinder (302) is fixedly arranged in the middle of the upper end of the portal frame (301), and an upper pressing roller rod (303) is fixedly arranged at the inner side of the portal frame (301) at the output end of the hydraulic cylinder (302).
2. The building scaffold steel pipe strength detection device according to claim 1, wherein the measuring component (5) comprises an L-shaped sliding plate (505) slidably disposed at the upper end of the detection workbench (1) and located between the two U-shaped blocks (201), and a driving shell (501) fixedly disposed at the lower end of the detection workbench (1), a second driving motor (502) is fixedly disposed at the outer side of the driving shell (501), a reciprocating lead screw (503) is rotatably disposed inside the driving shell (501), the output end of the second driving motor (502) is connected with one end of the reciprocating lead screw (503), a sliding block (504) is disposed at the middle part of the reciprocating lead screw (503) through threaded connection, the upper end of the L-shaped sliding plate (505) is fixedly connected with the lower end of the L-shaped sliding plate (505), and a left vertical plate (506) and a right vertical plate (507) are symmetrically disposed at the upper end of the L-shaped sliding plate (505), the bar-shaped groove has been seted up at one side middle part that left riser (506) are close to right riser (507), and the inside vertical a plurality of infrared emitter that are provided with of bar-shaped groove of left riser (506), the bar-shaped groove has also been seted up at one side middle part that right riser (507) are close to left riser (506), and the inside vertical a plurality of infrared receiver that are provided with of bar-shaped groove of right riser (507).
The pressing assembly (4) comprises an Contraband-shaped shell (401) fixedly arranged inside one end of a portal frame (301), two rotating shafts (402) are symmetrically and rotatably arranged above the interior of the Contraband-shaped shell (401), a rotating rod (403) is rotatably arranged in the middle of each rotating shaft (402), and a sleeve assembly is fixedly arranged at one end, located outside the Contraband-shaped shell (401), of each rotating rod (403);
the improved automatic transmission mechanism is characterized in that a driving plate (404) is arranged below the Contraband type shell (401) in a sliding mode, two hinged seats (405) are symmetrically and fixedly arranged at the upper end of the driving plate (404), a connecting rod (406) is hinged to the lower end of the rotating rod (403), the other end of the connecting rod (406) is hinged to the middle of the hinged seat (405), two rotating lead screws (407) are further arranged in the middle of the driving plate (404) in a threaded connection and symmetrically and rotatably arranged, the upper end of each rotating lead screw (407) is connected with the inner wall of the Contraband type shell (401), the lower end of each rotating lead screw (407) is connected with the bottom of the driving shell (501), a gear (408) is fixedly arranged at the lower end of each rotating lead screw (407) in the driving shell (501), a rack (409) is fixedly connected to the middle of one side, close to the gear (408), of the sliding block (504) is fixedly connected to the rack (409), and the two gears (408) are meshed with each other, the inside of drive shell (501) is seted up and is made things convenient for the gliding spout of rack (409).
The sleeve subassembly is including fixed sleeve (410) of locating bull stick (403) one end, the inside slip of sleeve (410) is equipped with T type pole (411), the inside of sleeve (410) is still fixed and is equipped with extrusion spring (412), the other end of extrusion spring (412) and the upper end fixed connection of T type pole (411), the fixed Contraband type piece that is equipped with of lower extreme of T type pole (411), the inboard rotation of lower extreme of Contraband type piece is equipped with compression roller (413).
3. The building scaffold steel pipe strength detection device according to claim 1, wherein the upper end of the detection workbench (1) is symmetrically provided with two rectangular grooves for facilitating sliding of the threaded seat (206), and the upper end of the detection workbench (1) is further provided with a sliding groove for facilitating sliding of the L-shaped sliding plate (505).
4. The building scaffold steel pipe strength detection device according to claim 1, wherein a data processing controller is further arranged at the lower end of the detection workbench (1), a signal output end of the data processing controller is electrically connected with signal input ends of the hydraulic cylinder (302), the first driving motor (204), the second driving motor (502) and the infrared transmitter, and a signal input end of the data processing controller is in telecommunication connection with a signal output end of the infrared receiver.
5. The building scaffold steel tube strength detection device according to claim 1, wherein the Contraband-shaped shell (401) has two symmetrically-arranged sliding grooves on its inner wall for facilitating rotation of the rotating rod (403).
6. The building scaffold steel pipe strength detection device and method according to claim 1, characterized by comprising the following steps:
a. controlling the work of a first driving motor (204) to adjust the placing positions of the two U-shaped blocks (201) on the detection workbench (1), so as to adjust the relative distance between the two supporting roller rods (202), determine and record the span (L) between the two supporting roller rods (202), and properly adjust different spans (L) for scaffold steel pipes to be detected with different sizes;
b. manually placing the scaffold steel pipe to be detected above the two supporting roller rods (202), and ensuring that the scaffold steel pipe to be detected is in a central position during placement;
c. starting a second driving motor (502), enabling an L-shaped sliding plate (505) to slide at the upper end of the detection workbench (1) by the operation of the second driving motor (502), enabling an infrared emitter and an infrared receiver to work by a data processing controller, so as to determine the outer diameter and the initial bending condition of the scaffold steel pipe to be detected, enabling a pressing component (4) to work when the L-shaped sliding plate (505) slides, and firmly pressing the scaffold steel pipe to be detected at the upper ends of two supporting roller rods (202);
d. starting the hydraulic cylinder (302), applying positive pressure to the middle part of the scaffold steel pipe to be detected by an upper compression roller (303) fixedly arranged at the telescopic end of the hydraulic cylinder (302), stabilizing the pressure for 5-10 minutes after the working pressure of the hydraulic cylinder (302) reaches the preset pressure, and then relieving the pressure of the hydraulic cylinder (302) and recovering to the initial state;
e. the second driving motor (502) is started again, the second driving motor (502) works to enable the L-shaped sliding plate (505) to slide at the upper end of the detection workbench (1) to return to an initial state, the pressing assembly (4) returns to the initial state due to the sliding of the L-shaped sliding plate (505), so that the pressing assembly (4) is contacted to press the scaffold steel pipe to be detected, and meanwhile, the data processing controller enables the infrared emitter and the infrared receiver to work, so that the outer diameter of the scaffold steel pipe to be detected and the bending condition after pressing are determined;
f. the data processing controller compares the initial bending condition with the bending condition after pressing so as to directly obtain the allowable deviation (delta, unit: mm), and the detection result can be obtained by comparing the allowable deviation of the component parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179584.8A CN114544371A (en) | 2022-02-25 | 2022-02-25 | Building scaffold steel pipe strength detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179584.8A CN114544371A (en) | 2022-02-25 | 2022-02-25 | Building scaffold steel pipe strength detection device and method |
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| CN114544371A true CN114544371A (en) | 2022-05-27 |
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| CN202210179584.8A Withdrawn CN114544371A (en) | 2022-02-25 | 2022-02-25 | Building scaffold steel pipe strength detection device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116086980A (en) * | 2023-03-30 | 2023-05-09 | 山西华筑天成土木工程检测有限公司 | A pressure testing machine for building material detects |
| CN116183404A (en) * | 2023-04-21 | 2023-05-30 | 深圳市佰石特石业有限公司 | Artificial marble detection equipment |
| CN116754379A (en) * | 2023-08-04 | 2023-09-15 | 嵊州市半夏建筑机械有限公司 | Building material intensity detecting system |
| CN116858692A (en) * | 2023-09-05 | 2023-10-10 | 毕普帕罗洛江苏工程技术有限公司 | A multi-functional check out test set for valve rod is made |
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2022
- 2022-02-25 CN CN202210179584.8A patent/CN114544371A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116086980A (en) * | 2023-03-30 | 2023-05-09 | 山西华筑天成土木工程检测有限公司 | A pressure testing machine for building material detects |
| CN116086980B (en) * | 2023-03-30 | 2023-06-27 | 山西华筑天成土木工程检测有限公司 | A pressure testing machine for building material detects |
| CN116183404A (en) * | 2023-04-21 | 2023-05-30 | 深圳市佰石特石业有限公司 | Artificial marble detection equipment |
| CN116754379A (en) * | 2023-08-04 | 2023-09-15 | 嵊州市半夏建筑机械有限公司 | Building material intensity detecting system |
| CN116754379B (en) * | 2023-08-04 | 2024-03-19 | 陈杰 | Building material intensity detecting system |
| CN116858692A (en) * | 2023-09-05 | 2023-10-10 | 毕普帕罗洛江苏工程技术有限公司 | A multi-functional check out test set for valve rod is made |
| CN116858692B (en) * | 2023-09-05 | 2023-11-17 | 毕普帕罗洛江苏工程技术有限公司 | A multi-functional check out test set for valve rod is made |
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Application publication date: 20220527 |