CN118225552B - A method and device for detecting and loading prefabricated components - Google Patents
A method and device for detecting and loading prefabricated components Download PDFInfo
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- CN118225552B CN118225552B CN202410546607.3A CN202410546607A CN118225552B CN 118225552 B CN118225552 B CN 118225552B CN 202410546607 A CN202410546607 A CN 202410546607A CN 118225552 B CN118225552 B CN 118225552B
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- 238000011068 loading method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 29
- 239000011178 precast concrete Substances 0.000 claims abstract description 79
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 75
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 2
- 239000004567 concrete Substances 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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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
- G01N3/08—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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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
本申请涉及预制构件检测的技术领域，特别是涉及一种预制构件检测加载方法及装置，底部机架包括底部机架、放置架、支撑架以及测试机构；通过改变升降气缸的角度即可改变下压块对于预制混凝土楼梯施加压力的角度，从而改变预制混凝土楼梯检测过程中所受压力方向，增加测试数据的数量，同时可以模拟在预制混凝土楼梯实际应用过程中受到不同方向力的场景，使得检测数据更具代表性；通过改变下压块的位置即可对预制混凝土楼梯不同位置进行压力检测处理，检测数据更具代表性；通过改变下压连块的位置可以使得预制混凝土楼梯不同台阶的受力位置不同，进一步模拟预制混凝土楼梯在不同位置所受力的场景，使得检测数据更具真实性。
The present application relates to the technical field of prefabricated component detection, and in particular to a prefabricated component detection loading method and device, wherein a bottom frame comprises a bottom frame, a placement frame, a support frame and a testing mechanism; the angle at which a downward pressure block applies pressure to a precast concrete staircase can be changed by changing the angle of a lifting cylinder, thereby changing the direction of pressure applied during the detection of the precast concrete staircase, increasing the number of test data, and simulating the scenario in which the precast concrete staircase is subjected to forces in different directions during actual application, making the detection data more representative; pressure detection processing can be performed on different positions of the precast concrete staircase by changing the position of the downward pressure block, making the detection data more representative; the force positions of different steps of the precast concrete staircase can be made different by changing the position of the downward pressure connecting block, further simulating the scenario in which the precast concrete staircase is subjected to forces at different positions, making the detection data more authentic.
Description
Technical Field
The application relates to the technical field of prefabricated part detection, in particular to a prefabricated part detection loading method and device.
Background
Because the prefabricated component has the characteristics of high construction efficiency, material saving, high quality of environment-friendly quality and the like, the application of the prefabricated component is wider and wider, wherein the prefabricated concrete stairway is one of the prefabricated components, and in order to detect the strength and the stability of the prefabricated concrete stairway, detection treatment is often required before use.
In the prior art, the gravity of the loading block is often utilized to apply pressure to the precast concrete stair in the precast concrete stair detection process, and the pressure born by the precast concrete stair is always vertically downward because the gravity of the loading block is always vertically downward, so that the pressure born by the precast concrete stair is single in direction, the position of the loading block is single in the placement process, the detection data are fewer, and the detection data are not representative.
Disclosure of Invention
In order to solve the technical problems, the application provides a prefabricated part detection loading method and device, which adopt the following technical scheme: in a first aspect, a prefabricated component detects loading device, including bottom frame, bottom frame up end left and right sides be provided with rack and support frame respectively, still be provided with testing mechanism on the bottom frame up end.
The testing mechanism comprises a movable rack arranged on the front side and the rear side of a bottom rack, a movable block which moves left and right is arranged on the upper end face of the movable rack, an arc-shaped plate is arranged on the upper end face of the movable block through a supporting protrusion, an electric sliding block is arranged on the arc-shaped plate in a sliding mode, a lifting cylinder is fixedly arranged on the upper end face of the electric sliding block, a connecting assembly is arranged at the upper end of the telescopic end of the lifting cylinder, connecting rods are arranged on opposite sides of the connecting assembly, and a lower pressing plate is jointly arranged between opposite faces of the connecting rods.
The lower end face of the lower pressing plate is uniformly provided with a plurality of lower pressing blocks, and a plurality of uniformly distributed lower pressing connecting blocks are arranged in the lower pressing blocks.
Preferably, the connecting assembly comprises a lifting rod arranged at the upper end of the telescopic end of the lifting cylinder, a connecting frame is arranged on the opposite side of the connecting rod, the connecting rod is rotatably arranged on the connecting frame on the same side through a bearing, the lifting rod penetrates through and slides to be arranged on the connecting frame on the same side, a blocking circular block matched with the connecting frame on the same side is arranged at the upper end of the lifting rod, and a plurality of electronic pressure gauges matched with the blocking circular block are uniformly arranged on the circumferential direction of the upper end face of the connecting frame.
Preferably, the connecting rod periphery all install the locking circle frame in opposite sides, the annular rubber pad is installed to locking circle frame in opposite sides, runs through on the link and is provided with the locking frame that reciprocates, the locking board of symmetry about and with homonymy annular rubber pad matched with is all installed to the locking frame opposite sides, the locking board is close to the one end of homonymy annular rubber pad and is provided with locking arch.
Preferably, the movable rack up end all be provided with electro-magnet one, install on the movable block with electro-magnet one matched with electro-magnet two, two the movable block up end be provided with down 匚 type frame of opening jointly, 匚 type frame front and back two vertical sections are fixed respectively on two movable blocks, 匚 type frame horizontal segment lower extreme face installs biax cylinder, both ends all install the gangbar respectively around the biax cylinder telescopic link, the gangbar keep away from biax cylinder one side through the bearing install with locking frame matched with gangbar.
Preferably, the lower end face of the lower pressing plate is provided with a clamping plate in a detachable mode, the clamping plate is provided with a connecting block through a hinge shaft, and the connecting block is fixedly connected with the corresponding lower pressing block.
Every lower briquetting lower terminal surface offered evenly distributed's spread groove, and push down even piece slip setting in the spread groove inside, push down and install reset spring pole jointly between even piece up end and the corresponding spread groove down, lower briquetting up end installs the multiunit through threaded connection mode with the threaded rod of spread groove one-to-one, every threaded rod of group sets up and the threaded rod lower extreme supports with the corresponding even piece of pushing down of symmetry around setting.
Preferably, the middle part of the upper end surface of the bottom frame is provided with an electric sliding block which moves left and right, the upper end surface of the electric sliding block is provided with a placing plate, and the upper end surface of the placing plate is provided with a plurality of range finders which are uniformly distributed from left to right.
Preferably, the rack be L type structure, the vertical section of rack is fixed to be set up in the bottom frame, the lower terminal surface of rack horizontal segment is provided with the 匚 template that the opening is decurrent, 匚 template horizontal segment up end and the connection spring pole of front and back symmetric distribution is installed jointly to the lower terminal surface of rack horizontal segment, the horizontal segment up end of rack runs through the threaded connection mode and is provided with screw rod one, screw rod lower extreme and 匚 template horizontal segment are supported and lean on, the rubber slab is installed to 匚 template vertical segment opposite side.
Preferably, the support frame slide and set up in bottom frame up end, bottom frame up end right side is provided with fixed protruding, screw rod two that extends about installing through the bearing rotation on the fixed protruding, screw rod two keep away from fixed protruding one end and run through installing on the support frame through threaded connection mode, run through the slip on the support frame and be provided with the support bracket that reciprocates, support protruding is installed to support frame right-hand member face downside, install telescopic cylinder on the support protruding, telescopic cylinder telescopic end upper end and support bracket fixed connection.
In a second aspect, a method for detecting and loading a prefabricated part, the method for using the prefabricated part includes the following steps: s1: placing, namely moving the moving block to the left side of the moving frame, pushing the precast concrete stair from front to back to the middle of the bottom frame, and placing the precast concrete stair through the placing frame and the supporting frame.
S2: and (3) detecting pretreatment, namely enabling the lower pressing plate to abut against the precast concrete stairs according to the inclination angle of the precast concrete stairs, and changing the number of the lower pressing blocks and the number of the lower pressing connecting blocks according to detection requirements.
S3: and (3) detecting, namely starting the lifting cylinder to drive the lower pressing block and the lower pressing connecting block to apply pressure in different directions to the precast concrete stair.
S4: and (3) data processing, namely judging whether the precast concrete stair deforms according to the data of the range finder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. In the testing mechanism designed by the invention, the angle of the pressing block for applying pressure to the precast concrete stairway can be changed by changing the angle of the lifting cylinder, so that the pressure direction applied to the precast concrete stairway in the detection process is changed, the quantity of the test data is increased, and meanwhile, the scenes of different directional forces applied to the precast concrete stairway in the actual application process can be simulated, so that the detection data is more representative; the pressure detection treatment can be carried out on different positions of the precast concrete stairway by changing the position of the pressing block, and the detection data is more representative; the stress positions of different steps of the precast concrete stair can be different by changing the position of the pressing connecting block, the stress scene of the precast concrete stair at different positions is further simulated, and the detection data is more realistic.
2. The locking plate drives the locking protrusion to abut against the annular rubber pad in the opposite movement process of the locking frame, so that the connecting frame and the connecting rod are mutually locked, the lower pressing plate is prevented from shaking during the left-right movement adjustment, and the stability of the lower pressing plate in the left-right movement process is improved.
3. The support bracket capable of moving up and down can support and bear precast concrete stairs with different inclination degrees, and the application range is wider.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a three-dimensional installation structure among a bottom frame, a supporting frame, a screw, etc. of the present invention.
Fig. 3 is a schematic perspective view of the prefabricated concrete stairway with the 匚 -type frames removed according to the present invention.
Fig. 4 is an enlarged view of a portion of fig. 3a in accordance with the present invention.
Fig. 5 is an enlarged view of a portion of fig. 3B in accordance with the present invention.
Fig. 6 is an enlarged view of a portion of fig. 3 at C in accordance with the present invention.
Fig. 7 is a schematic view of a three-dimensional installation structure among the electric slider, the placement plate and the range finder.
Fig. 8 is a schematic view of a three-dimensional mounting structure between 匚 frames, double-shaft cylinders, linkage bars and linkage plates according to the present invention.
Fig. 9 is a schematic view of a three-dimensional mounting structure between a rack, a 匚 die plate, a connecting spring rod, etc. according to the present invention.
FIG. 10 is a flow chart of a preform inspection loading method.
Reference numerals illustrate: 1.a bottom frame; 11. an electric slide block; 12. placing a plate; 13. a range finder; 14. an electromagnet I; 15. an electromagnet II; 2. a placing rack; 21. 匚 templates; 22. connecting a spring rod; 23. a first screw; 24. a rubber plate; 3. a support frame; 31. a second screw; 32. a support bracket; 33. a telescopic cylinder; 4. a testing mechanism; 41. a moving frame; 42. a moving block; 421. 匚 type frames; 422. a biaxial cylinder; 423. a linkage rod; 424. a linkage plate; 43. an arc-shaped plate; 44. an electric slide block; 45. a lifting cylinder; 46. a connection assembly; 461. a lifting rod; 462. a connecting frame; 463. blocking the round block; 464. an electronic pressure gauge; 47. a connecting rod; 471. locking the round rack; 472. an annular rubber pad; 473. a locking frame; 474. a locking plate; 475. locking the bulge; 48. a lower pressing plate; 481. a clamping plate; 482. a connecting block; 49. pressing the block; 491. pressing down the connecting block; 492. a connecting groove; 493. a reset spring lever; 494. a threaded rod; 5. precast concrete stairway.
Detailed Description
The present application is described in further detail below with reference to fig. 1 to 10.
The embodiment of the application discloses a prefabricated part detection loading method and device, which are used for obtaining experimental data in different states by changing the direction and the position of force applied to a prefabricated part, so that the experimental data are more representative.
Embodiment one:
Referring to fig. 1, a prefabricated component detecting and loading device comprises a bottom frame 1, wherein a placing frame 2 and a supporting frame 3 are respectively arranged on the left side and the right side of the upper end face of the bottom frame 1, and a testing mechanism 4 is further arranged on the upper end face of the bottom frame 1.
Referring to fig. 2, the support frame 3 is slidably disposed on an upper end surface of the bottom frame 1, a fixing protrusion is disposed on a right side of the upper end surface of the bottom frame 1, a second screw 31 extending left and right is rotatably mounted on the fixing protrusion through a bearing, a distance between the support frame 3 in a left-right direction can be adjusted, one end of the second screw 31, which is far away from the fixing protrusion, is penetratingly mounted on the support frame 3 in a threaded connection manner, a support bracket 32 moving up and down is penetratingly slidably disposed on the support frame 3, a precast concrete stair 5 is supported, a support protrusion is mounted on a lower side of a right end surface of the support frame 3, a telescopic cylinder 33 is mounted on the support protrusion, a height of the support bracket 32 is adjusted, and an upper end of a telescopic end of the telescopic cylinder 33 is fixedly connected with the support bracket 32.
When the support frame 3 moves to a designated position, the telescopic cylinder 33 is started to drive the support frame 32 to move upwards, and when the support frame 32 abuts against the precast concrete stair 5 and abuts against the precast concrete stair 5, the telescopic cylinder 33 is closed at the moment, so that the support frame 3 which can move left and right and the support frame 32 which can move up and down can support and limit the precast concrete stair 5 with different inclination angles.
Referring to fig. 3 and 4, the test mechanism 4 includes a moving frame 41 disposed on front and back sides of the bottom frame 1, a moving block 42 moving left and right is disposed on an upper end surface of the moving frame 41, an arc plate 43 is mounted on the upper end surface of the moving block 42 through a supporting protrusion, an electric sliding block 44 is slidably disposed on the arc plate 43, a lifting cylinder 45 is fixedly disposed on the upper end surface of the electric sliding block 44, a power source for providing pressure to the precast concrete stair 5 is provided on the upper end of a telescopic end of the lifting cylinder 45, a connecting assembly 46 is disposed on an upper end of a telescopic end of the lifting cylinder 45, connecting rods 47 are disposed on opposite sides of the connecting assembly 46, a center of the connecting rods is concentric with the arc plate 43, and a pressing plate 48 is mounted between opposite surfaces of the connecting rods 47.
Referring to fig. 5, a plurality of pressing blocks 49 are uniformly arranged on the lower end surface of the pressing plate 48, and a plurality of uniformly distributed pressing connection blocks 491 are arranged inside the pressing blocks 49.
The angle of the pressing block 49 applying pressure to the precast concrete stair 5 can be changed by changing the angle of the lifting cylinder 45, so that the pressure direction applied to the precast concrete stair 5 in the detection process is changed, the quantity of the test data is increased, and meanwhile, the scene of receiving forces in different directions in the actual application process of the precast concrete stair 5 can be simulated, so that the detection data is more representative; the pressure detection treatment can be carried out on different positions of the precast concrete stairway 5 by changing the position of the pressing block 49, and the detection data is more representative; the stress positions of different steps of the precast concrete stair 5 can be different by changing the position of the pressing connection block 491, the stress scene of the precast concrete stair 5 at different positions is further simulated, and the detection data is more realistic.
After the precast concrete stair 5 is placed and limited, the movable block 42 is driven to move right through external driving force (pushing by people and the like), at the moment, the lower pressing plate 48 is driven to rise to a certain height through external supporting force (the lower pressing plate 48 is guaranteed to be leveled with the precast concrete stair 5 and avoid collision between the lower pressing plate 48 and the precast concrete stair 5), the lower pressing plate 48 is driven to move right through the mutual cooperation of the connecting component 46 and the connecting rod 47 in the right moving process of the movable block 42, the lower pressing plate 49 is enabled to move to the precast concrete stair 5 through human eyes, and at the moment, the lower pressing plate 48 drives the lower pressing plate 49 to abut against the precast concrete stair 5.
Referring to fig. 6, the connecting assembly 46 includes a lifting rod 461 mounted at the upper end of the telescopic end of the lifting cylinder 45, a connecting frame 462 is disposed at the opposite side of the connecting rod 47, and the connecting rod 47 is rotatably mounted on the same-side connecting frame 462 through a bearing, the lifting rod 461 is disposed on the same-side connecting frame 462 in a penetrating and sliding manner, a blocking circular block 463 matched with the same-side connecting frame 462 is disposed at the upper end of the lifting rod 461, and a plurality of electronic pressure gauges 464 matched with the blocking circular block 463 are uniformly disposed at the circumferential direction of the upper end of the connecting frame 462 for measuring the pressure applied to the precast concrete stair 5.
Because the inclination of precast concrete stairway 5 is different, so its height is also different, so in order to guarantee that can be suitable for precast concrete stairway 5 of different height between holding down plate 48 and the link 462, stop the distance between round block 463 and the link 462 of homonymy and be enough long, during concrete work, start electronic slider 11, electronic slider 11 moves in-process and drives lift cylinder 45 and rotate certain angle around arc 43 centre of a circle circumference, start lift cylinder 45 this moment, lift cylinder 45 telescopic end moves down and drives and stop round block 463 down, after stopping round block 463 and the link 462 of homonymy contact, at this moment electronic manometer 464 shows the registration, stop round block 463 and drive link 462 and have the downward movement trend in the continuous moving process, and then link 462 drives down plate 48 through connecting rod 47 and moves down, lower pressure block 49 exerts certain pressure to precast concrete stairway 5 under the drive down plate 48 in the moving process.
Referring to fig. 7, an electric slider 11 moving left and right is arranged in the middle of the upper end surface of the bottom frame 1, a placing plate 12 is installed on the upper end surface of the electric slider 11, a plurality of distance meters 13 which are uniformly distributed from left to right are installed on the upper end surface of the placing plate 12, and the distance between the placing plate 12 and the bottom of the precast concrete stair 5 is measured.
When the pressure is applied to the precast concrete stair 5, the pressing block 49 starts the distance measuring instrument 13 and starts the electric sliding block 11, the electric sliding block 11 drives the placing plate 12 to move and synchronously drives the distance measuring instrument 13 to move in the process of moving, the distance measuring instrument 13 is used for observing the readings between the distance measuring instruments 13, if the readings between the distance measuring instruments 13 are identical or the readings are changed within a certain range, the pressure applied to the precast concrete stair 5 is continuously increased according to the readings of the electronic pressure gauge 464 until the precast concrete stair 5 is damaged, and the pressure is the maximum pressure applied to the precast concrete stair 5.
Referring back to fig. 6, the opposite sides of the circumference of the connecting rod 47 are provided with locking circular frames 471, the opposite sides of the locking circular frames 471 are provided with annular rubber gaskets 472, the connecting frame 462 is provided with locking frames 473 which move back and forth in a penetrating manner, the opposite sides of the locking frames 473 are provided with locking plates 474 which are vertically symmetrical and matched with the annular rubber gaskets 472 on the same side, the locking plates 474 are matched with the locking circular frames 471 to mutually lock the connecting rod 47 and the connecting frame 462, and one ends of the locking plates 474, which are close to the annular rubber gaskets 472 on the same side, are provided with locking protrusions 475.
Referring to fig. 1, 6 and 8, the first electromagnet 14 is disposed on the upper end surface of the moving frame 41, the second electromagnet 15 matched with the first electromagnet 14 is mounted on the moving block 42, the 匚 -shaped frame 421 with a downward opening is jointly disposed on the upper end surfaces of the two moving blocks 42, front and rear vertical sections of the 匚 -shaped frame 421 are respectively fixed on the two moving blocks 42, a dual-shaft air cylinder 422 is mounted on the lower end surface of the horizontal section of the 匚 -shaped frame 421, a linkage rod 423 is mounted on the front and rear ends of the telescopic end of the dual-shaft air cylinder 422, and a linkage plate 424 matched with the locking frame 473 is mounted on one side of the linkage rod 423 away from the dual-shaft air cylinder 422 through a bearing.
In a specific operation, the lower pressing plate 48 does not collide with the horizontal section of the 匚 type frame 421 when rotating to the maximum clockwise position, after the moving block 42 moves to the designated position, the electromagnet I14 and the electromagnet II 15 are electrified, and at the moment, the electromagnet I14 and the electromagnet II 15 are mutually electrified and attracted, so that the moving block 42 is fixed on the moving frame 41 through the mutual matching of the electromagnet I14 and the electromagnet II 15, and further, the following lower pressing plate 48 can be ensured not to slide relatively in the operation process.
After the electric slide block 44 drives the lifting cylinder 45 to rotate a certain angle, the double-shaft cylinder 422 is started at this moment, the telescopic end of the double-shaft cylinder 422 and the linkage plate 424 are mutually matched to drive the locking frame 473 to move in the opposite direction moving process, the locking frame 473 drives the locking plate 474 to move in the opposite direction, the locking plate 474 drives the locking boss 475 to mutually abut against the annular rubber pad 472 in the moving process, and at this moment, the locking plate 474 mutually matched with the annular rubber pad 472 through the locking boss 475 and the annular rubber pad 471 tightly abuts against each other, so that the lower pressing plate 48 is kept in a locking state in the testing process, the shaking of the lower pressing plate 48 is avoided, and the stability between the lower pressing block 49 and the precast concrete stair 5 is improved under the driving of the lower pressing plate 48.
Referring back to fig. 5, a clamping plate 481 is detachably mounted on the lower end surface of the lower pressure plate 48, a connecting block 482 is mounted on the clamping plate 481 through a hinge shaft, and the connecting block 482 is fixedly connected with the corresponding lower pressure block 49.
The evenly distributed's spread groove 492 has been seted up to the terminal surface under every briquetting 49 down, and pushes down even piece 491 and slide the setting in the spread groove 492 inside, push down and link and install reset spring lever 493 jointly between piece 491 up end and the spread groove 492 that corresponds for to pushing down even piece 491 to reset, the threaded rod 494 of multiunit and spread groove 492 one-to-one is installed to briquetting 49 up end down through threaded connection mode, adjusts to push down even piece 491 height, and every threaded rod 494 front and back symmetry setting of group and threaded rod 494 lower extreme support with corresponding push down even piece 491.
When the clamping plates 481 are all taken down at the initial position, when the prefabricated concrete stairway 5 in the same batch is detected, the number of the lower pressing blocks 49 can be changed according to the detection requirement, the hinge shaft can be automatically locked, after the lower pressing blocks 49 are tightly attached to the prefabricated concrete stairway 5, the hinge shaft is locked, the lower pressing blocks 49 are prevented from rotating with the hinge shaft, the stability of the lower pressing blocks 49 in the detection process is improved, the number of the clamping plates 481 is determined according to the number of the lower pressing blocks 49, and then the clamping plates 481 are clamped at the required detection position, so that the pressure detection treatment can be carried out on different positions of the prefabricated concrete stairway 5 by changing the position of the lower pressing blocks 49, and the detection data is more representative.
When the same position of different steps of the precast concrete stair 5 is required to be detected, the same position of different steps of the precast concrete stair 5 can be detected only by changing the position of the movable block 42 and then changing the position of the lower pressing block 49 on the precast concrete stair 5.
When the same step and different positions of the precast concrete stair 5 are required to be detected, the lower pressing connecting block 491 is driven to move downwards by rotating the threaded rods 494 on the different lower pressing blocks 49, so that the same step and different positions of the precast concrete stair can be detected.
Therefore, the stress positions of different steps of the precast concrete stair 5 can be different by changing the position of the pressing connecting block 491, the stress scene of the precast concrete stair 5 at different positions is further simulated, and the detection data is more realistic.
Embodiment two: referring to fig. 9, on the basis of the first embodiment, in order to ensure stability of the precast concrete stair 5 in the detection process, the placement frame 2 is of an L-shaped structure, the vertical section of the placement frame 2 is fixedly arranged on the bottom frame 1, the lower end surface of the horizontal section of the placement frame 2 is provided with a 匚 type plate 21 with a downward opening, the upper end surface of the horizontal section of the 匚 type plate 21 and the lower end surface of the horizontal section of the placement frame 2 are jointly provided with connecting spring rods 22 which are distributed in a front-back symmetrical manner and are used for resetting the 匚 type plate 21 frame, the upper end surface of the horizontal section of the placement frame 2 is provided with a first screw 23 in a penetrating manner in a threaded connection manner, the height of the 匚 type plate 21 is changed, the lower end of the first screw 23 abuts against the horizontal section of the 匚 type plate 21, and the opposite side of the vertical section of the 匚 type plate 21 is provided with a rubber plate 24.
The 匚 vertical sections of template 21 are eight style of calligraphy structure, and the concrete during operation, after precast concrete stair 5 is placed and is ended, rotate screw one 23, screw one 23 rotates in-process and drives 匚 template 21 and move down, 匚 template 21 moves its two vertical sections down in-process and drives rubber slab 24 and precast concrete stair 5 and lean on and carry out spacing locking to precast concrete stair 5, and connecting spring rod 22 is tensile this moment, and then 匚 template 21 two vertical sections mutually support with rubber slab 24 can carry out the locking spacing to precast concrete stair 5, guarantees precast concrete stair 5 stability in the testing process.
Finally, referring to fig. 10, the invention also provides a prefabricated part detection loading method, which comprises the following steps: s1: the placement treatment is carried out, the telescopic cylinder 33 is started to move the support bracket 32 to the lowest end, at the moment, the telescopic cylinder 33 is closed, the moving block 42 is moved to the leftmost side of the moving frame 41, at the moment, the precast concrete stair 5 is pushed into the bottom frame 1 from front to back, the left side of the precast concrete stair 5 is moved into the placement frame 2, at the moment, the screw rod II 31 is rotated according to the length of the precast concrete stair 5, the support bracket 3 is driven to move to one side of the precast concrete stair 5 in the rotation process of the screw rod II 31, after the support bracket 3 is moved to a designated position, the telescopic cylinder 33 is started to drive the support bracket 32 to move upwards, and when the support bracket 32 abuts against the precast concrete stair 5 and abuts against the precast concrete stair 5, the telescopic cylinder 33 is closed at the moment.
S2: and (3) carrying out detection pretreatment, wherein the lower pressing plate 48 is abutted against the precast concrete stair 5 according to the inclination angle of the precast concrete stair 5, and the number of the lower pressing blocks 49 and the number of the lower pressing connecting blocks 491 are changed according to detection requirements.
S3: and (3) detecting, namely changing the position of the lifting cylinder 45 and starting the lifting cylinder 45 to drive the pressing block 49 and the pressing connecting block 491 to apply pressure in different directions to the precast concrete stair 5.
S4: and (3) data processing, and judging whether the precast concrete stairway 5 is deformed according to the data of the range finder 13.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410546607.3A CN118225552B (en) | 2024-05-06 | 2024-05-06 | A method and device for detecting and loading prefabricated components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410546607.3A CN118225552B (en) | 2024-05-06 | 2024-05-06 | A method and device for detecting and loading prefabricated components |
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| CN112730066A (en) * | 2020-12-28 | 2021-04-30 | 中国航发沈阳发动机研究所 | Load loading angle adjusting device and method for structural member bearing test |
| CN216559761U (en) * | 2021-01-14 | 2022-05-17 | 上海建科检验有限公司 | Automatic structural performance detection system for concrete prefabricated stairway |
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| GB2204956B (en) * | 1987-05-23 | 1992-01-08 | George Cyril Brown | Method of determining the safe loading of floors |
| RU142600U1 (en) * | 2013-10-04 | 2014-06-27 | Общество с ограниченной ответственностью ООО "Группа Веда Техно" | MECHANICAL TEST STAND |
| CN211504958U (en) * | 2019-11-10 | 2020-09-15 | 嘉兴路虹机械有限公司 | Stair test platform |
| CN111198135B (en) * | 2020-02-18 | 2025-02-18 | 苏州桐济建仪机电科技有限公司 | A mechanical properties testing system for prefabricated staircase components |
| CN211527854U (en) * | 2020-04-03 | 2020-09-18 | 江苏尚通砼制品有限公司 | Prefabricated staircase detection device |
| CN212228338U (en) * | 2020-05-07 | 2020-12-25 | 中铁六局集团有限公司 | Precast concrete slab type stair structure performance test device |
| CN111693269A (en) * | 2020-06-30 | 2020-09-22 | 李思锦 | Stair structural performance test device |
| CN216645808U (en) * | 2021-11-18 | 2022-05-31 | 亚泰集团沈阳现代建筑工业有限公司 | Prefabricated reinforced concrete slab stair structure performance test bench |
| CN115406643B (en) * | 2022-09-30 | 2026-04-28 | 恒均建材科技河北有限公司 | A test device for inspecting precast stair slab structures |
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| CN112730066A (en) * | 2020-12-28 | 2021-04-30 | 中国航发沈阳发动机研究所 | Load loading angle adjusting device and method for structural member bearing test |
| CN216559761U (en) * | 2021-01-14 | 2022-05-17 | 上海建科检验有限公司 | Automatic structural performance detection system for concrete prefabricated stairway |
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