CN112577834B - Multifunctional prestressed concrete pipe pile bending and shearing resistant device - Google Patents
Multifunctional prestressed concrete pipe pile bending and shearing resistant device Download PDFInfo
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- CN112577834B CN112577834B CN202011199344.1A CN202011199344A CN112577834B CN 112577834 B CN112577834 B CN 112577834B CN 202011199344 A CN202011199344 A CN 202011199344A CN 112577834 B CN112577834 B CN 112577834B
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- 238000005452 bending Methods 0.000 title claims abstract description 21
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 21
- 238000010008 shearing Methods 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 55
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
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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
-
- 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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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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
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a multifunctional prestressed concrete pipe pile bending and shearing resistant device which comprises a testing device body and a supporting device body, wherein the supporting device body is fixedly connected with the testing device body, a plurality of inner grooves are formed in the side wall of the supporting device body, a strip-shaped opening is formed in the side wall of each inner groove, and a plurality of sliding blocks are connected in a sliding mode in the inner grooves. The invention has the advantages that the concrete pipe piles can be more easily placed on the supporting device body through the plurality of rotating rollers, the heights of the plurality of rotating rollers can be reduced after the concrete pipe piles are placed, so that the bearing devices bear the tested concrete pipe piles, the rotating rollers are prevented from being extruded during testing, the rotating rollers are prevented from being damaged, the service time of the rotating rollers is prolonged, and the distances among the plurality of bearing devices can be adjusted through the rotating rod, so that the bearing testing devices can be used for testing the concrete pipe piles with different lengths, and the proper testing range of the concrete pipe piles with different lengths is ensured, so that the testing result is more accurate.
Description
Technical Field
The invention relates to the technical field of prestressed concrete pipe pile detection, in particular to a multifunctional prestressed concrete pipe pile bending and shearing resistant device.
Background
The prestressed concrete pipe pile is a building pile foundation and bears tens of thousands of lives and property, and has the characteristics of good pile body quality, high vertical bearing capacity of a single pile, strong adaptability to engineering geological conditions, high construction speed, easy quality assurance and the like, and is widely applied to engineering such as buildings, roads, railways, ports and the like in China since the 70 th century, the pile top of the prestressed pipe pile is connected with a foundation, and the shearing capacity is poor under the action of horizontal earthquake, so that the use of the prestressed pipe pile is limited, and therefore, the prestressed concrete pipe pile needs to be subjected to bending and shearing detection.
In the existing bending-resistant shearing-resistant detection technology, the concrete pipe piles are generally put on the detection device manually, but the concrete pipe piles are relatively large in specific mass and volume, the detection device is relatively troublesome to send on the concrete pipe piles manually, rollers are arranged in some prior art, the concrete pipe piles are convenient to place manually, the concrete pipe piles are easy to damage the rollers when being pressed on the rollers during bending-resistant detection of the concrete pipe piles, the service life of the rollers is shortened, the detection device in the prior art is not easy to adjust the detection range of the concrete, the same detection range is detected on the concrete pipe piles with different lengths, and detection data are inaccurate.
Therefore, we propose a multifunctional prestressed concrete pipe pile bending and shearing device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a roller is easy to back damage and the detection range of a concrete pipe pile is difficult to adjust in the process of testing the concrete pipe pile, and provides a multifunctional prestressed concrete pipe pile bending and shearing resistant device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a multi-functional prestressed concrete tubular pile bending-resistant shearing device, includes testing arrangement body and strutting arrangement body, strutting arrangement body and testing arrangement body fixed connection, a plurality of inside grooves have been seted up to strutting arrangement body lateral wall, every the bar mouth has been seted up to the inside groove lateral wall, and is a plurality of sliding connection has a plurality of sliders in the inside groove, every two relative of different inside grooves the slider rotates and is connected with the commentaries on classics roller, every the inside groove diapire is equipped with the butt plate of inside groove assorted, every butt plate is close to the lateral wall fixedly connected with threaded rod of inside groove diapire, a plurality of recesses have been seted up to strutting arrangement body lateral wall, a plurality of inside groove passes through the round hole and a plurality of recess intercommunication, a plurality of the threaded rod runs through the round hole and stretches into a plurality of recesses, every two relative recess rotation is connected with worm, every recess internal rotation is connected with worm assorted with worm, every lateral wall has seted up threaded hole, a plurality of threaded rod passes through screw rotation with a plurality of threaded holes and is connected, the side wall that the strutting arrangement body is close to the strutting arrangement body has telescopic worm wheel.
Preferably, the one end that telescoping device kept away from testing arrangement is fixedly connected with clamp plate, telescoping device lateral wall fixedly connected with a plurality of branches, every one end that the telescoping device was kept away from to the branch is connected with the extension board through buffer spring card.
Preferably, one end of each worm far away from the groove is fixedly connected with a first gear, the supporting device body is fixedly connected with a motor, an output head of the motor is fixedly connected with a second gear, and the second gear is in transmission connection with a plurality of first gears through a toothed chain.
Preferably, the part of the supporting device body, which is close to the plurality of bearing devices, is fixedly connected with a backing plate, and a storage groove is arranged between the plurality of bearing devices.
Preferably, the backing plate lateral wall fixedly connected with a plurality of limiting plates, a plurality of limiting plate lateral wall rotates and is connected with the lead screw, be equipped with a plurality of silk cover on the lead screw, a plurality of silk cover with a plurality of adapting unit fixed connection.
Preferably, an inner cavity is formed in the limiting plate, the lead screw extending into the inner cavity is fixedly connected with a first bevel gear, the first bevel gear is rotationally connected with a second bevel gear, the side wall of the second bevel gear is fixedly connected with a rotating rod, the rotating rod penetrates through the side wall of the inner cavity and the supporting device body, threads at two ends of the lead screw are opposite, and the thread lengths of the two parts of the lead screw are identical.
Preferably, the side wall of the bearing device is fixedly connected with a plurality of limiting blocks, the limiting blocks are in sliding connection with the inner grooves, and the limiting blocks do not abut against the retaining plates.
Preferably, the side wall of the support device, which is close to the backing plate, is connected with a plurality of sliding parts through telescopic spring clamping, each sliding part is rotationally connected with a roller, and a plurality of rollers are propped against the backing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the heights of the plurality of rotating rollers can be controlled through the abutting plates, when the concrete pipe pile is required to be conveyed, the heights of the rotating rollers are adjusted to be higher than the heights of the bearing devices, and the bearing devices bear the weight of the concrete pipe pile by the rotating rollers after the conveying is finished, so that the rotating rollers are prevented from being damaged when the concrete pipe pile is detected, and the service time of the rotating rollers is prolonged;
2. when the detection range of the concrete pipe pile needs to be adjusted, the rotating rod can be rotated to adjust the distance between the plurality of bearing devices, so that different distances can be adjusted when the concrete pipe piles with different lengths are tested, the concrete pipe piles with different lengths can be tested in a proper test range, the accuracy of test results is ensured, and the whole test device is more convenient to use and has strong applicability;
3. can accomodate the broken concrete pipe pile because of the disqualification through accomodating the groove to carry out the test next time, a plurality of extension boards are when the telescoping device is to concrete pipe pile test, can not extrude the concrete pipe pile because the effect of telescopic spring, when the concrete pipe pile breaks because the disqualification, a plurality of extension boards can cushion, support the pressure to the concrete pipe pile after the fracture, prevent that concrete pipe pile from falling suddenly and damaging strutting arrangement body.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a multifunctional prestressed concrete pipe pile bending and shearing device according to the present invention;
fig. 2 is a schematic structural view of a bearing device and a supporting device body of a multifunctional prestressed concrete pipe pile bending and shearing device according to the present invention;
fig. 3 is a schematic top view of a multifunctional prestressed concrete pipe pile bending and shearing device according to the present invention;
fig. 4 is a schematic side structural view of a receiving device and a receiving groove of a multifunctional prestressed concrete pipe pile bending and shearing device according to the present invention.
In the figure: the device comprises a supporting device body 1, a testing device body 2, an inner groove 3, a sliding block 4, a rotating roller 5, a resisting plate 6, a threaded rod 7, a worm 8, a worm wheel 9, a telescopic device 10, a receiving device 11, a pressing plate 12, a supporting rod 13, a buffering spring 14, a supporting plate 15, a first gear 16, a motor 17, a second gear 18, a receiving groove 19, a backing plate 20, a limiting plate 21, a lead screw 22, a wire sleeve 23, a first bevel gear 24, a second bevel gear 25, a rotating rod 26, a telescopic spring 27, a roller 28, a sliding piece 29 and a limiting block 30.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a multifunctional prestressed concrete pipe pile bending and shearing resistant device comprises a testing device body 2 and a supporting device body 1, wherein the supporting device body 1 is fixedly connected with the testing device body 2, a plurality of inner grooves 3 are formed in the side wall of the supporting device body 1, a strip-shaped opening is formed in the side wall of each inner groove 3, a plurality of sliding blocks 4 are connected in the inner grooves 3 in a sliding manner, a rotating roller 5 is connected to each two opposite sliding blocks 4 of different inner grooves 3 in a rotating manner, a threaded rod 7 is fixedly connected to the side wall, close to the bottom wall of the inner groove 3, of each retaining plate 6, of each inner groove 3, a plurality of grooves are formed in the side wall of the supporting device body 1, the inner grooves 3 are communicated with the grooves through round holes, the threaded rods 7 penetrate through the round holes and extend into the grooves, a worm 8 is connected in each two opposite grooves in a rotating manner, one end, far from the grooves, of each worm 8 is fixedly connected with a first gear 16, the supporting device body 1 is fixedly connected with a motor 17, an output head of the motor 17 is fixedly connected with a second gear 18, and the second gear 18 is connected with the first gear 16 through a tooth chain;
each groove is rotationally connected with a worm wheel 9 matched with a worm 8, a threaded hole is formed in the side wall of each worm wheel 9, a plurality of threaded rods 7 are rotationally connected with a plurality of threaded holes through threads, a telescopic device 10 is arranged on the side wall of the testing device body 2, which is close to the supporting device body 1, one end of the telescopic device 10, which is far away from the testing device, is fixedly connected with a pressing plate 12, a plurality of supporting rods 13 are fixedly connected with the side wall of the telescopic device 10, one end of each supporting rod 13, which is far away from the telescopic device 10, is connected with a supporting plate 15 through a buffer spring 14 in a clamping manner, when the telescopic device 10 tests a concrete pipe pile, the concrete pipe pile is not extruded due to the action of the telescopic spring 27, when the concrete pipe pile is broken due to disqualification, the supporting plates 15 buffer and resist the broken concrete pipe pile, prevent the concrete pipe pile from suddenly falling down to damage the supporting device body 1, the supporting device body 1 is internally provided with a plurality of supporting devices 11, the side walls of the supporting devices 11 are fixedly connected with a plurality of limiting blocks 30, the limiting blocks 30 are in sliding connection with the inner tanks 3, the limiting blocks 30 do not abut against the plurality of retaining plates 6, the part of the supporting device body 1, which is close to the supporting devices 11, is fixedly connected with a backing plate 20, the side walls of the supporting devices, which are close to the backing plate 20, are connected with a plurality of sliding pieces 29 through telescopic springs 27 in a clamping manner, each sliding piece 29 is rotationally connected with a roller 28, the rollers 28 abut against the backing plate 20, a containing groove 19 is arranged between the supporting devices 11, the concrete pipe piles broken due to disqualification can be contained through the containing groove 19 so as to be tested for the next time, the side walls of the backing plate 20 are fixedly connected with a plurality of limiting plates 21, the side walls of the limiting plates 21 are rotationally connected with a screw 22, the screw 22 is provided with a plurality of screw sleeves 23, the plurality of wire sleeves 23 are fixedly connected with the plurality of bearing devices 11;
an inner cavity is arranged in one limiting plate 21, a lead screw 22 extending into the inner cavity is fixedly connected with a first bevel gear 24, the first bevel gear 24 is rotationally connected with a second bevel gear 25, the side wall of the second bevel gear 25 is fixedly connected with a rotating rod 26, the rotating rod 26 penetrates through the side wall of the inner cavity and the supporting device body 1, threads at two ends of the lead screw 22 are opposite, and therefore, when the detection range of the concrete pipe pile needs to be regulated, the distance between a plurality of bearing devices 11 can be regulated by rotating the rotating rod 26, and therefore, when the concrete pipe piles with different lengths are tested, different distances can be regulated, so that the concrete pipe piles with different lengths can be tested in a proper test range, the accuracy of test results is ensured, and the whole testing device is more convenient to use and strong in applicability.
When the invention is used, the rotating rod 26 is rotated, the rotating rod 26 drives the second bevel gear 25 to rotate the second bevel gear 25 to drive the first bevel gear 24 to rotate, the first bevel gear 24 drives the lead screw 22 to rotate, the plurality of wire sleeves 23 move when the lead screw 22 rotates, the moving directions of the plurality of wire sleeves 23 are opposite because the screw directions of the two ends of the lead screw 22 are opposite, at the moment, the plurality of rollers 28 are propped against the backing plate 20, the plurality of bearing devices 11 can move through the plurality of rollers 28, the plurality of wire sleeves 23 drive the plurality of bearing devices 11 to move, the plurality of bearing devices 11 are limited by the plurality of limiting blocks 30, the bearing devices 11 are prevented from tilting when moving, the plurality of rotating rollers 5 are slid after the distance between the plurality of bearing devices 11 is adjusted, the plurality of rotating rollers 5 are adjusted to proper positions, starting a motor 17, wherein an output shaft of the motor 17 drives a second gear 18 to rotate, the second gear 18 drives a plurality of first gears 16 to rotate, the plurality of first gears 16 drive a plurality of worms 8 to rotate, the plurality of worms 8 drive a plurality of worm gears 9 to rotate, the threaded rod 7 cannot rotate when the plurality of worm gears 9 rotate, so that the plurality of threaded rods 7 move up and down, the plurality of threaded rods 7 are controlled to move up simultaneously, the plurality of threaded rods 7 move up against the retaining plates 6, the plurality of retaining plates 6 move up against the sliding blocks 4 until the plurality of sliding blocks 4 are firmly held and fixed by the plurality of retaining plates 6, the plurality of sliding blocks 4 drive the plurality of rotating rollers 5 to move up, at the moment, the height of the plurality of rotating rollers 5 is higher than that of the bearing device 11, and the plurality of rotating rollers 5 are fixed;
after the adjustment, the concrete pipe pile is placed on the rotary rods, the concrete pipe pile is moved to the upper sides of the plurality of bearing devices 11 through rolling, the motor 17 is started after the movement is completed, the motor 17 is reversed, the plurality of abutting plates 6 slowly descend, the plurality of rotary rollers 5 slowly descend until the concrete pipe pile is pressed on the plurality of bearing devices 11, the plurality of bearing devices 11 further compress the plurality of telescopic springs 27 due to bearing, the plurality of rotating members are compressed and retracted into the plurality of bearing devices 11 due to the fact that the plurality of telescopic springs 27 are compressed, the bottoms of the plurality of bearing devices 11 are propped against the backing plates 20, the whole bearing device 11 body bears the concrete pipe pile, the screw rod 22 also moves downwards along with the plurality of bearing plates, the plurality of first bevel gears 24 are not meshed with the plurality of second bevel gears 25, the testing device body 2 is controlled, the telescopic devices 10 are started, the plurality of supporting rods 13 also move downwards until the pressing plates 12 press the concrete pipe pile, the plurality of supporting plates 15 also prop against the concrete pipe pile, the plurality of pipe piles through the telescopic devices 10, and the plurality of bearing devices 14 continuously press the concrete pipe pile in the process of the compression springs, and the concrete pipe pile is not continuously pressed by the telescopic devices 10;
if an unqualified concrete pipe pile is detected, the unqualified concrete pipe pile is broken, at the moment, the broken part of the broken concrete pipe pile is pressed by a plurality of support plates 15, the broken part is buffered by a buffer spring 14, the two ends of the concrete pipe pile are prevented from suddenly falling down to damage the supporting device body 1 in the breaking process, broken concrete fragments are collected by the storage groove 19, the whole device is kept from being disturbed by impurities, so that the next concrete pipe pile is measured, the whole device is used for measuring the next concrete pipe pile, the problem that the concrete pipe pile is extruded by the rotary roller 5 to damage the rotary roller 5 due to the fact that the rotary roller 5 is lowered, the service life of the rotary roller 5 is prolonged, the distance between a plurality of receiving devices 11 can be adjusted through the rotary rod 26, and therefore, the concrete pipe pile with different lengths can be properly tested, and the accuracy of measuring results is ensured.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a multi-functional prestressed concrete tubular pile bending-resistant shearing device, includes testing arrangement body (2) and strutting arrangement body (1), its characterized in that, strutting arrangement body (1) and testing arrangement body (2) fixed connection, a plurality of inside grooves (3) have been seted up to strutting arrangement body (1) lateral wall, every inside groove (3) lateral wall has been seted up the bar mouth, every sliding connection has a slider (4) in inside groove (3), every two relative slider (4) of different inside grooves (3) rotate and are connected with rotatory roller (5), every inside groove (3) diapire be equipped with inside groove (3) assorted butt plate (6), every butt plate (6) are close to inside groove (3) diapire lateral wall fixedly connected with threaded rod (7), a plurality of recesses have been seted up to strutting arrangement body (1) lateral wall, every inside groove (3) are through round hole and a recess intercommunication, every threaded rod (7) run through the round hole and stretch into a recess, every two relative worm wheel rotation are connected with each worm wheel (8) the threaded rod (9) is connected with each threaded hole (9) through rotating with each threaded rod (9), each worm (8) is fixedly connected with a first gear (16) at one end far away from the groove, the supporting device body (1) is fixedly connected with a motor (17), an output shaft of the motor (17) is fixedly connected with a second gear (18), the second gear (18) is in transmission connection with a plurality of first gears (16) through a toothed chain, the plurality of worm (8) drives a plurality of worm gears (9) to rotate, the threaded rods (7) cannot rotate when the plurality of worm gears (9) rotate, so the plurality of threaded rods (7) move up and down, the plurality of threaded rods (7) are controlled to move upwards simultaneously, the plurality of threaded rods (7) abut against the abutting plates (6) to move upwards, the plurality of abutting plates (6) abut against the sliding blocks (4) to move upwards, the side wall, close to the supporting device body (1), of the testing device body (2) is provided with a telescopic device (10), and the supporting device body (1) is internally provided with a plurality of bearing devices (11).
One end that testing arrangement was kept away from to telescoping device (10) is fixedly connected with clamp plate (12), telescoping device (10) lateral wall fixedly connected with a plurality of branches (13), every one end that telescoping device (10) was kept away from to branch (13) is connected with extension board (15) through buffer spring (14) card, and concrete pipe pile is pressed to clamp plate (12), makes extension board (15) also can offset with concrete pipe pile.
2. The multifunctional prestressed concrete pipe pile bending and shearing resistant device according to claim 1, wherein a backing plate (20) is fixedly connected to a part, close to a plurality of bearing devices (11), of the supporting device body (1), and a storage groove (19) is formed between the bearing devices (11).
3. The multifunctional prestressed concrete pipe pile bending and shearing resistant device according to claim 2, wherein a plurality of limiting plates (21) are fixedly connected to the side walls of the base plates (20), a plurality of screw rods (22) are rotatably connected to the side walls of the limiting plates (21), a plurality of wire sleeves (23) are arranged on the screw rods (22), and each wire sleeve (23) is fixedly connected with one bearing device (11).
4. A multifunctional prestressed concrete pipe pile bending and shearing resistant device according to claim 3, characterized in that an inner cavity is arranged in one limiting plate (21), the screw rod (22) extending into the inner cavity is fixedly connected with a first bevel gear (24), the first bevel gear (24) is rotationally connected with a second bevel gear (25), the side wall of the second bevel gear (25) is fixedly connected with a rotating rod (26), the rotating rod (26) penetrates through the side wall of the inner cavity and the supporting device body (1), threads at two ends of the screw rod (22) are opposite, and the thread lengths of the two parts of the screw rod (22) are identical.
5. The multifunctional prestressed concrete pipe pile bending and shearing resistant device according to claim 1, wherein a plurality of limiting blocks (30) are fixedly connected to the side wall of the bearing device (11), each limiting block (30) is slidably connected with one inner groove (3), and the limiting blocks (30) do not abut against the plurality of abutting plates (6).
6. The multifunctional prestressed concrete pipe pile bending and shearing resistant device according to claim 2, wherein the side wall of the supporting device, which is close to the backing plate (20), is connected with a plurality of sliding parts (29) through telescopic springs (27) in a clamping mode, each sliding part (29) is rotatably connected with a roller (28), and the rollers (28) are propped against the backing plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199344.1A CN112577834B (en) | 2020-11-01 | 2020-11-01 | Multifunctional prestressed concrete pipe pile bending and shearing resistant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199344.1A CN112577834B (en) | 2020-11-01 | 2020-11-01 | Multifunctional prestressed concrete pipe pile bending and shearing resistant device |
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| Publication Number | Publication Date |
|---|---|
| CN112577834A CN112577834A (en) | 2021-03-30 |
| CN112577834B true CN112577834B (en) | 2024-03-15 |
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| CN202011199344.1A Active CN112577834B (en) | 2020-11-01 | 2020-11-01 | Multifunctional prestressed concrete pipe pile bending and shearing resistant device |
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| CN115491999A (en) * | 2022-11-01 | 2022-12-20 | 南通利元市政工程有限公司 | A prestressed beam tractor for continuous rigid frame bridge construction |
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| JP2000298089A (en) * | 1999-04-14 | 2000-10-24 | Yoshitaka Noguchi | Roller for bending strength test of concrete and testing apparatus using the same |
| CN205691437U (en) * | 2016-06-21 | 2016-11-16 | 东北大学 | A kind of concrete filled steel tubular member is by the general loading device of curved test |
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