CN115078084A - Steel bar prestress detection device with stretch-proofing and deformation-resisting strength detection functions - Google Patents
Steel bar prestress detection device with stretch-proofing and deformation-resisting strength detection functions Download PDFInfo
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- CN115078084A CN115078084A CN202210495509.2A CN202210495509A CN115078084A CN 115078084 A CN115078084 A CN 115078084A CN 202210495509 A CN202210495509 A CN 202210495509A CN 115078084 A CN115078084 A CN 115078084A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 244000309464 bull Species 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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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
- 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
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention discloses a steel bar prestress detection device with both stretching resistance and deformation resistance detection, which comprises a workbench, wherein a supporting column is fixedly connected at the position, close to the left side, of the top of the workbench, and a hollow tube is fixedly connected to the top end of the supporting column, the steel bar prestress detection device achieves the purpose of detecting the deformation resistance strength of a steel bar by mutual matching of a second servo motor, a transmission gear, a driven gear, a transmission rod, a rotating rod, a winding roller, a steel wire rope, a square rod, a square tube, a ring and a hook and observing the applied tension by a gravity dial indicator, and detects the stretching resistance strength of the steel bar by pulling the side plate on the right side through mutual matching of the side plate, a second thread block, a second threaded rod, a first servo motor, the rotating rod and a transmission belt, so that the stretching resistance detection and the deformation resistance detection can be realized in one device, the detection efficiency is improved, and the detection cost is reduced.
Description
Technical Field
The invention relates to the technical field of steel bar prestress detection, in particular to a steel bar prestress detection device with tensile strength and deformation strength detection functions.
Background
Prestressed reinforcement is a compressive stress that is applied to the concrete of a structural member in advance by a pre-tensioning method or a post-tensioning method before the structural member is used. In the reinforced concrete structure, the member is pulled to have cracks, although the safety is not influenced, the appearance is not good, and the quality of the steel bar needs to be sampled and detected after the steel bar is produced, such as the tensile strength and the deformation resistance of the steel bar.
When the existing steel bar prestress detection device detects the tensile strength and the deformation resistance strength of a steel bar, the existing steel bar prestress detection device usually detects the steel bar prestress detection device in two different devices, so that the detection efficiency is reduced, the use cost is increased, and the existing steel bar prestress detection device is excessively complex in operation, time-consuming and labor-consuming when the steel bar prestress detection device is fixed.
Disclosure of Invention
The invention solves the technical problem of overcoming the defects of the prior art and provides a steel bar prestress detection device with tensile strength and deformation strength detection functions.
In order to achieve the purpose, the invention provides the following technical scheme: a steel bar prestress detection device with tensile resistance and deformation resistance detection simultaneously comprises a workbench, wherein a supporting column is fixedly connected to the position, close to the left side, of the top of the workbench, the top end of the supporting column is fixedly connected with a hollow tube, the inner cavity of the hollow tube is provided with a clamping mechanism, the left side and the right side of the supporting column are both provided with side plates, the bottom of the side plate positioned on the left side is fixedly connected with the top of the workbench, the bottom of the side plate positioned on the right side is provided with a traction mechanism, the positions of the two side plates close to the top are both provided with first slots, and the top of the first slotted inner cavity is provided with a sleeve, a stretching mechanism is arranged between the sleeves, two sliding blocks are fixedly connected to the front side and the rear side of the sleeve, sliding grooves are formed in the front side and the rear side of the first slotted inner cavity, and the sliding blocks are movably connected to the adjacent sliding groove inner cavities respectively.
Preferably, the clamping mechanism comprises two annular plates which are respectively positioned at the positions, close to the left side and the right side, of the inner cavity of the hollow tube, a plurality of arc-shaped rods are hinged at the positions, far away from the left side and the right side, of the two annular plates, connecting rods are hinged at the ends, far away from the adjacent annular plates, of the arc-shaped rods, one ends of the connecting rods are hinged with the inner side wall of the hollow tube, round balls are fixedly connected at the other ends of the connecting rods, vertical plates are fixedly connected at the positions, close to the left side and the right side, of the top of the hollow tube, first bearings are fixedly connected onto the vertical plates, two first thread blocks are arranged between the two vertical plates, the two first thread blocks are arranged in a left-right mode, first thread holes are formed in the two first thread blocks, the thread directions of the inner cavities of the two first thread holes are opposite, and first threaded rods are arranged in the inner cavities of the two first thread holes in a penetrating mode, the left end of first threaded rod is pegged graft at adjacent first bearing inner chamber, just the right-hand member of first threaded rod runs through adjacent first bearing inner chamber to the hand round of fixedly connected with, two the equal fixedly connected with montant in bottom of first screw thread piece, the second fluting that matches each other with the montant is seted up at the top of hollow tube, two the bottom of montant all runs through second fluting inner chamber to respectively with adjacent annular plate top fixed connection.
Preferably, the traction mechanism comprises a limiting block, the limiting block is fixedly connected to the middle position of the bottom of the side plate located on the right side, a cavity is formed in the position, close to the right side, of the workbench, a third groove is formed in the top of the cavity, the bottom of the limiting block penetrates through the inner cavity of the third groove and extends to the inner cavity of the cavity, a second threaded block is fixedly connected to the inner cavity of the cavity, a second threaded hole is formed in the second threaded block, a second threaded rod penetrates through the inner cavity of the second threaded hole, a second bearing is fixedly connected to the left side and the right side of the inner cavity of the cavity, and the left end and the right end of the second threaded rod are respectively connected to the inner cavities of the adjacent second bearings in an inserting mode.
Preferably, the top right side department fixedly connected with first servo motor of workstation, just first servo motor's power take off end fixedly connected with bull stick, be equipped with the drive belt between bull stick and the second threaded rod, the top of cavity is close to right side department and offers the through-hole that matches each other with the drive belt, be connected through the drive belt transmission between bull stick and the second threaded rod.
Preferably, the stretching mechanism comprises two gravity dial indicators which are respectively and fixedly connected to one side adjacent to the bottoms of the two sleeves, the bottoms of the two gravity dial indicators are movably connected with a hook, the hooks are movably connected with rings, the bottoms of the two rings are respectively and fixedly connected with steel wire ropes, the positions, close to the bottoms, of the adjacent sides of the two side plates are respectively provided with a winding roller, rotating rods penetrate through the winding rollers, the positions, close to the bottoms, of the adjacent sides of the two side plates are respectively and fixedly connected with third bearings, the far ends of the two rotating rods are respectively inserted into the inner cavities of the adjacent third bearings, the far ends of the two steel wire ropes, far away from the adjacent rings, are respectively and fixedly connected with the adjacent winding rollers, the right end of the rotating rod positioned on the left side is fixedly connected with a transmission rod, and the supporting column is provided with a first perforation hole close to the bottom, just the right-hand member of transfer line runs through first perforation inner chamber to fixedly connected with square bar, the outside cover of square bar is equipped with square pipe, just the right-hand member fixedly connected with connecting plate of square pipe, the right side of connecting plate and the left end fixed connection who is located the dwang on right side, the left side of support column is close to bottom fixedly connected with second servo motor, just second servo motor's power take off end fixedly connected with drive gear, drive gear's bottom meshing has driven gear, just driven gear overlaps to be established in the outside of transfer line and is close to left end department.
Preferably, two the second perforation has all been seted up to the top intermediate position department of curb plate, just the perforation inner chamber of second runs through and is equipped with T shape pole, two the longer one end of T shape pole T shape structure respectively with adjacent sleeve top fixed connection, two the outside of T shape pole all is equipped with the spring, just the upper and lower both ends of spring respectively with T shape pole and curb plate fixed connection.
Preferably, two equal fixedly connected with L shaped plate in telescopic top intermediate position department, just the bottom fixedly connected with electric putter of L shaped plate, two the third perforation has all been seted up to the adjacent one side in telescopic top, two electric putter's power end runs through adjacent third perforation inner chamber respectively to equal fixedly connected with clamp plate, two the equal fixedly connected with rubber pad in bottom of clamp plate.
Preferably, the round balls positioned on the same side are arranged in an annular array shape by taking the center of a circle of the hollow pipe as the center, and the two annular plates are arranged in a bilateral symmetry manner by taking the central axis of the hollow pipe as a symmetry axis.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention achieves the aim of detecting the deformation resistance of the steel bar by the mutual matching of the second servo motor, the transmission gear, the driven gear, the transmission rod, the rotating rod, the winding roller, the steel wire rope, the square rod, the square tube, the circular ring and the hook and the observation of the applied pulling force through the gravity dial indicator, and detects the tensile strength of the steel bar by pulling the side plate on the right side through the mutual matching among the side plate, the second thread block, the second threaded rod, the first servo motor, the rotating rod and the transmission belt so that the tensile detection and the deformation resistance detection can be realized in one device, thereby not only improving the detection efficiency, but also reducing the detection cost;
2. according to the invention, the hand wheel, the first threaded rod, the first threaded block, the vertical rod, the annular plate, the arc-shaped rod, the connecting rod and the ball are matched with each other, so that the steel bar can be clamped and fixed quickly when the anti-deformation detection is carried out on the steel bar, the operation is simple and convenient, and the time and the labor are saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of a side plate of the component of the present invention;
FIG. 3 is a right side view of the hollow tube of the component of the present invention;
fig. 4 is an enlarged view of a point a in fig. 1.
Reference numbers in the figures: 1. a work table; 2. a support pillar; 3. a hollow tube; 4. a side plate; 5. a sleeve; 6. a T-shaped rod; 7. a spring; 8. an electric push rod; 9. pressing a plate; 10. a rubber pad; 11. a gravity dial indicator; 12. hooking; 13. a circular ring; 14. a wire rope; 15. a winding roller; 16. rotating the rod; 17. a transmission rod; 18. a driven gear; 19. a transmission gear; 20. a second servo motor; 21. a connecting plate; 22. a square tube; 23. a square bar; 24. a first thread block; 25. a first threaded rod; 26. a hand-operated wheel; 27. a second thread block; 28. a second threaded rod; 29. a first servo motor; 30. a rotating rod; 31. a transmission belt; 32. a connecting rod; 33. a ball; 34. an arcuate bar; 35. an annular plate.
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. 1-4, the present invention provides a technical solution: a steel bar prestress detection device with stretch-proofing and deformation-resisting strength detection functions comprises a workbench 1, wherein a support column 2 is fixedly connected to the position, close to the left side, of the top of the workbench 1, a hollow tube 3 is fixedly connected to the top end of the support column 2, a clamping mechanism is arranged in an inner cavity of the hollow tube 3, side plates 4 are arranged on the left side and the right side of the support column 2, the bottom of the side plate 4 on the left side is fixedly connected with the top of the workbench 1, a traction mechanism is arranged at the bottom of the side plate 4 on the right side, first grooves are formed in the positions, close to the top, of the two side plates 4, a sleeve 5 is arranged at the top of an inner cavity of each first groove, a stretching mechanism is arranged between the two sleeves 5, an L-shaped plate is fixedly connected to the middle position of the tops of the two sleeves 5, an electric push rod 8 is fixedly connected to the bottoms of the L-shaped plates, and a third through hole is formed in the adjacent sides of the tops of the two sleeves 5, the power ends of the two electric push rods 8 penetrate through the adjacent third perforated inner cavities respectively, the pressing plates 9 are fixedly connected, rubber pads 10 are fixedly connected to the bottoms of the pressing plates 9, the two ends of the reinforcing steel bars are conveniently pressed, sliding grooves are formed in the front and the back of the two sleeves 5 and are fixedly connected with sliding blocks in the two sides, sliding grooves are formed in the front and the back of the two first grooved inner cavities, and the sliding blocks are movably connected to the adjacent sliding groove inner cavities respectively.
The clamping mechanism comprises two annular plates 35, the two annular plates 35 are respectively positioned at the positions, close to the left side and the right side, of the inner cavity of the hollow tube 3, one sides, far away from the two annular plates 35, of the two annular plates 35 are hinged with a plurality of arc-shaped rods 34, one ends, far away from the adjacent annular plates 35, of the arc-shaped rods 34 are hinged with connecting rods 32, one ends of the connecting rods 32 are hinged with the inner side wall of the hollow tube 3, the other ends of the connecting rods 32 are fixedly connected with round balls 33, the round balls 33 positioned at the same side are arranged in an annular array shape by taking the circle center of the hollow tube 3 as the center, the two annular plates 35 are arranged in a bilateral symmetry manner by taking the central axis of the hollow tube 3 as the symmetry axis, the positions, close to the left side and the right side, of the top of the hollow tube 3 are fixedly connected with vertical plates, first bearings are fixedly connected with the vertical plates, two first thread blocks 24 are arranged between the two vertical plates, and the two first thread blocks 24 are arranged in a bilateral mode, first screw hole has all been seted up on two first screw thread blocks 24, two first screw hole inner chamber screw thread opposite direction, two first screw hole inner chambers run through jointly and are equipped with first threaded rod 25, the left end of first threaded rod 25 is pegged graft at adjacent first bearing inner chamber, and the right-hand member of first threaded rod 25 runs through adjacent first bearing inner chamber, and hand wheel 26 of fixedly connected with, the equal fixedly connected with montant in bottom of two first screw thread blocks 24, the second fluting that matches each other with the montant is seted up at the top of hollow tube 3, the second fluting inner chamber is all run through to the bottom of two montants, and respectively with adjacent annular slab 35 top fixed connection, be convenient for fix the reinforcing bar fast, time saving and labor saving.
The traction mechanism comprises a limiting block, the limiting block is fixedly connected to the middle position of the bottom of the side plate 4 positioned on the right side, a cavity is formed in the position, close to the right side, of the workbench 1, a third groove is formed in the top of the cavity, the bottom of the limiting block penetrates through the inner cavity of the third groove and extends to the inner cavity of the cavity, a second threaded block 27 is fixedly connected with the bottom of the limiting block, a second threaded hole is formed in the second threaded block 27, a second threaded rod 28 penetrates through the inner cavity of the second threaded hole, second bearings are fixedly connected to the left side and the right side of the inner cavity of the cavity, the left end and the right end of the second threaded rod 28 are respectively inserted into the inner cavities of the adjacent second bearings, a first servo motor 29 is fixedly connected to the right side of the top of the workbench 1, a rotating rod 30 is fixedly connected to the power output end of the first servo motor 29, a transmission belt 31 is arranged between the rotating rod 30 and the second threaded rod 28, a through hole matched with the transmission belt 31 is formed in the position, close to the right side of the top of the cavity, the rotating rod 30 is in transmission connection with the second threaded rod 28 through a transmission belt 31, so that the tensile strength of the steel bar can be conveniently detected.
The stretching mechanism comprises two gravity dial indicators 11, the two gravity dial indicators 11 are respectively and fixedly connected with one side adjacent to the bottom of the two sleeves 5, the bottom of each gravity dial indicator 11 is movably connected with a hook 12, a ring 13 is movably connected on each hook 12, the bottom of each ring 13 is fixedly connected with a steel wire rope 14, a winding roller 15 is arranged at the position, close to the bottom, of one side adjacent to each side of the two side plates 4, a rotating rod 16 penetrates through each winding roller 15, a third bearing is fixedly connected at the position, close to the bottom, of one side adjacent to each side of each side plate 4, one end, far away from each rotating rod 16, of each steel wire rope 14 is respectively and fixedly connected with the adjacent winding roller 15, the right end, located on the left side, of each rotating rod 16 is fixedly connected with a transmission rod 17, a first through hole is formed in the position, close to the bottom, on the support column 2, the right end of the transmission rod 17 penetrates through the first perforation inner cavity and is fixedly connected with a square rod 23, a square pipe 22 is sleeved on the outer side of the square rod 23, a connecting plate 21 is fixedly connected with the right end of the square pipe 22, the right side of the connecting plate 21 is fixedly connected with the left end of a rotating rod 16 positioned on the right side, a second servo motor 20 is fixedly connected with the left side of the supporting column 2 close to the bottom, a transmission gear 19 is fixedly connected with the power output end of the second servo motor 20, a driven gear 18 is meshed with the bottom of the transmission gear 19, the driven gear 18 is sleeved on the outer side of the transmission rod 17 close to the left end, second perforations are formed in the middle positions of the tops of the two side plates 4, T-shaped rods 6 penetrate through the second perforation inner cavity, the longer ends of the T-shaped rods 6 are fixedly connected with the tops of the adjacent sleeves 5 respectively, and springs 7 are sleeved on the outer sides of the two T-shaped rods 6, and the upper and lower both ends of spring 7 respectively with T shape pole 6 and curb plate 4 fixed connection, be convenient for carry out anti deformation strength to the reinforcing bar and detect.
The working principle is as follows: when the invention is used, when the invention is used for detecting the deformation resistance of the reinforcing steel bar, one end of the reinforcing steel bar penetrates out of the inner cavity of the hollow pipe 3, the two ends of the reinforcing steel bar respectively penetrate out of the inner cavities of the two sleeves 5, the first threaded rod 25 is driven to rotate by rotating the hand wheel 26, the first threaded rod 25 rotates to drive the two first threaded blocks 24 to be far away, the two first threaded blocks 24 are far away, the two vertical rods drive the two annular plates 35 to be far away, the two annular plates 35 are far away, and push the adjacent arc-shaped rods 34 to move to one side far away from the inner cavity of the hollow pipe 3, and drive the round balls 33 to be close to the reinforcing steel bar by the arrangement of the connecting rods 32, and clamp and fix the reinforcing steel bar, simultaneously, the two electric push rods 8 are started, the electric push rods 8 work to push the press plates 9 to move downwards, and drive the rubber pads 10 to press the two ends of the reinforcing steel bar, thereby clamping and fixing the two ends of the reinforcing steel bar, the second servo motor 20 is started through an external power supply, the second servo motor 20 works to drive the transmission gear 19 to rotate, the transmission gear 19 rotates to drive the driven gear 18 to rotate, the driven gear 18 rotates to drive the transmission rod 17 to rotate, the transmission rod 17 rotates to respectively drive the left rotating rod 16 and the square rod 23 to rotate simultaneously, the left rotating rod 16 rotates to drive the adjacent winding rollers 15 to rotate and contract the steel wire rope 14, the square rod 23 rotates to drive the right rotating rod 16 and the winding rollers 15 to rotate simultaneously through the sleeve joint with the square pipe 22, the steel wire rope 14 also contracts, the two steel wire ropes 14 contract simultaneously to pull the two circular rings 13 to move downwards, the gravity dial indicator 11 and the sleeve 5 to move downwards through the hook 12, the magnitude of the applied force can be visually observed through the gravity dial indicator 11, the applied pressure stops being applied after the detection standard is reached, and at the moment, if the steel bar is bent, the steel bar is unqualified, when the tensile strength of the steel bar is detected, the two ends of the steel bar respectively penetrate through the inner cavities of the two sleeves 5, the middle part of the steel bar is clamped and fixed without rotating the hand-operated wheel 26, only the two electric push rods 8 are started to clamp and fix the two ends of the steel bar, the first servo motor 29 is started through an external power supply, the first servo motor 29 works to drive the rotating rod 30 to rotate, the rotating rod 30 rotates to drive the second threaded rod 28 to rotate through the driving belt 31, the second threaded rod 28 rotates to drive the second threaded block 27 to move rightwards and drive the side plate 4 on the right side to move rightwards, so that the steel bar is stretched, the moving distance of the side plate 4 on the right side is observed, the traction force is stopped to be applied after the detection standard distance is reached, and the data of the stretched steel bar is analyzed and judged, so that the purpose of detecting the tensile strength of the steel bar is achieved, the device can be used for detecting the deformation resistance strength and the tensile strength, so that the detection efficiency is improved, and the detection cost is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a have stretching-resistant and anti deformation strength detection's reinforcing bar prestressing force detection device simultaneously, includes workstation (1), its characterized in that: a supporting column (2) is fixedly connected to the top of the workbench (1) near the left side, the top end of the supporting column (2) is fixedly connected with a hollow tube (3), the inner cavity of the hollow tube (3) is provided with a clamping mechanism, the left side and the right side of the supporting column (2) are both provided with side plates (4), the bottom of the side plate (4) positioned on the left side is fixedly connected with the top of the workbench (1), the bottom of the side plate (4) positioned on the right side is provided with a traction mechanism, the positions of the two side plates (4) close to the top are both provided with first slots, and sleeve (5) are arranged at the top of the first slotted inner cavity, a stretching mechanism is arranged between the sleeves (5), two sliding blocks are fixedly connected to the front side and the rear side of each sleeve (5), sliding grooves are formed in the front side and the rear side of the first slotted inner cavity, and the sliding blocks are movably connected to the adjacent sliding groove inner cavities respectively.
2. The device for testing the prestress of the steel bar according to claim 1, wherein the device comprises: the clamping mechanism comprises two annular plates (35), the two annular plates (35) are respectively positioned at the positions, close to the left side and the right side, of an inner cavity of the hollow pipe (3), one side, far away from the two annular plates (35), of each annular plate is hinged with a plurality of arc-shaped rods (34), one end, far away from the adjacent annular plate (35), of each arc-shaped rod (34) is hinged with a connecting rod (32), one end of each connecting rod (32) is hinged with the inner side wall of the hollow pipe (3), the other end of each connecting rod (32) is fixedly connected with a round ball (33), the positions, close to the left side and the right side, of the top of the hollow pipe (3) are fixedly connected with vertical plates, first bearings are fixedly connected onto the vertical plates, two first thread blocks (24) are arranged between the two vertical plates, the two first thread blocks (24) are arranged leftwards and rightwards, and first thread holes are formed in the two first thread blocks (24), two first screw hole inner chamber screw thread opposite direction, two first screw hole inner chamber runs through jointly and is equipped with first threaded rod (25), peg graft at adjacent first bearing inner chamber at the left end of first threaded rod (25), just the right-hand member of first threaded rod (25) runs through adjacent first bearing inner chamber to the hand wheel of fixedly connected with (26), two the equal fixedly connected with montant in bottom of first thread piece (24), the second fluting that matches each other with the montant is seted up at the top of hollow tube (3), two the second fluting inner chamber is all run through to the bottom of montant to respectively with adjacent annular slab (35) top fixed connection.
3. The device for testing the prestress of the steel bar according to claim 1, wherein the device comprises: the traction mechanism comprises a limiting block, the limiting block is fixedly connected to the middle position of the bottom of a side plate (4) on the right side, a cavity is formed in the position, close to the right side, of the workbench (1), a third groove is formed in the top of the cavity, the bottom of the limiting block penetrates through the inner cavity of the third groove and extends to the inner cavity of the cavity, and a second threaded block (27) is fixedly connected with the bottom of the limiting block, a second threaded hole is formed in the second threaded block (27), a second threaded rod (28) penetrates through the inner cavity of the second threaded hole, second bearings are fixedly connected to the left side and the right side of the inner cavity of the cavity, and the left end and the right end of the second threaded rod (28) are respectively connected with adjacent second bearing inner cavities in an inserting mode.
4. The device for testing the prestress of the steel bar according to claim 3, wherein the device comprises: the top right side department fixedly connected with first servo motor (29) of workstation (1), just the power take off end fixedly connected with bull stick (30) of first servo motor (29), be equipped with between bull stick (30) and second threaded rod (28) drive belt (31), the top of cavity is close to right side department and is seted up the through-hole that matches each other with drive belt (31), be connected through drive belt (31) transmission between bull stick (30) and second threaded rod (28).
5. The device for testing the prestress of the steel bar according to claim 1, wherein the device comprises: the drawing mechanism comprises two gravity percentage meters (11), the two gravity percentage meters (11) are respectively and fixedly connected to one side of the adjacent bottoms of the two sleeves (5), the bottoms of the two gravity percentage meters (11) are respectively and movably connected with a hook (12), a ring (13) is movably connected onto the hook (12), steel wire ropes (14) are respectively and fixedly connected to the bottoms of the two rings (13), winding rollers (15) are respectively arranged at the positions, close to the bottoms, of the adjacent sides of the two side plates (4), rotating rods (16) are arranged on the winding rollers (15) in a penetrating manner, third bearings are respectively and fixedly connected to the positions, close to the bottoms, of the adjacent sides of the two side plates (4), one ends, far away from the rotating rods (16), are respectively inserted into the inner cavities of the adjacent third bearings, and one ends, far away from the adjacent rings (13), of the two steel wire ropes (14) are respectively and fixedly connected with the adjacent winding rollers (15), a transmission rod (17) is fixedly connected at the right end of the rotating rod (16) positioned at the left side, a first through hole is arranged on the supporting column (2) near the bottom, the right end of the transmission rod (17) penetrates through the inner cavity of the first through hole, and is fixedly connected with a square bar (23), a square tube (22) is sleeved outside the square bar (23), and the right end of the square tube (22) is fixedly connected with a connecting plate (21), the right side of the connecting plate (21) is fixedly connected with the left end of a rotating rod (16) positioned at the right side, a second servo motor (20) is fixedly connected at the left side of the supporting column (2) close to the bottom, a power output end of the second servo motor (20) is fixedly connected with a transmission gear (19), the bottom of the transmission gear (19) is engaged with a driven gear (18), and the driven gear (18) is sleeved at the outer side of the transmission rod (17) close to the left end.
6. The device for testing the prestress of the steel bar according to claim 1, wherein the device comprises: two the second perforation has all been seted up to the top intermediate position department of curb plate (4), just the second perforation inner chamber runs through and is equipped with T shape pole (6), two the longer one end of T shape pole (6) T shape structure respectively with adjacent sleeve (5) top fixed connection, two the outside of T shape pole (6) all is overlapped and is equipped with spring (7), just the upper and lower both ends of spring (7) respectively with T shape pole (6) and curb plate (4) fixed connection.
7. The device for testing the prestress of the steel bar according to claim 1, wherein the device comprises: two equal fixedly connected with L shaped plate in top intermediate position department of sleeve (5), just the bottom fixedly connected with electric putter (8) of L shaped plate, two the third perforation has all been seted up to the adjacent one side in top of sleeve (5), two the power end of electric putter (8) runs through adjacent third perforation inner chamber respectively to equal fixedly connected with clamp plate (9), two the equal fixedly connected with rubber pad (10) in bottom of clamp plate (9).
8. The device for testing the prestress of the steel bar according to claim 2, wherein the device is characterized in that: the round balls (33) positioned on the same side are arranged in an annular array shape by taking the circle center of the hollow pipe (3) as the center, and the two annular plates (35) are arranged in a bilateral symmetry manner by taking the central axis of the hollow pipe (3) as a symmetry axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495509.2A CN115078084A (en) | 2022-05-08 | 2022-05-08 | Steel bar prestress detection device with stretch-proofing and deformation-resisting strength detection functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210495509.2A CN115078084A (en) | 2022-05-08 | 2022-05-08 | Steel bar prestress detection device with stretch-proofing and deformation-resisting strength detection functions |
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| CN115078084A true CN115078084A (en) | 2022-09-20 |
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| CN202210495509.2A Pending CN115078084A (en) | 2022-05-08 | 2022-05-08 | Steel bar prestress detection device with stretch-proofing and deformation-resisting strength detection functions |
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Cited By (1)
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| CN117969243A (en) * | 2024-03-28 | 2024-05-03 | 胜利油田长龙橡塑有限责任公司 | Method and equipment for testing tensile strength of aramid fiber reinforced wrapping belt |
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| CN210923306U (en) * | 2019-11-12 | 2020-07-03 | 车光临 | A reinforcing bar detector for building engineering quality supervise |
| CN211528090U (en) * | 2020-01-21 | 2020-09-18 | 滁州职业技术学院 | Bridge concrete construction prestressed reinforcement detection device |
| CN113933168A (en) * | 2021-11-05 | 2022-01-14 | 日照钢铁控股集团有限公司 | Reinforcing bar intensity detection device for reinforcing bar production |
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