CN110907288A - Building engineering reinforcing bar intensity detection device - Google Patents
Building engineering reinforcing bar intensity detection device Download PDFInfo
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- CN110907288A CN110907288A CN201911287670.5A CN201911287670A CN110907288A CN 110907288 A CN110907288 A CN 110907288A CN 201911287670 A CN201911287670 A CN 201911287670A CN 110907288 A CN110907288 A CN 110907288A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N2203/0014—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
- G01N2203/02—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 device for detecting the strength of a constructional engineering steel bar, which comprises a detection frame, wherein a replacing device is arranged at the bottom of the detection frame; through the replacing device, people can quickly replace the clamping device matched with the reinforcing steel bar according to the diameter of the reinforcing steel bar, the applicability and the practicability of the reinforcing steel bar strength detecting device are improved, the angle monitoring device enables people to observe the bending angle of the steel bar in real time, and the transmission device, so that the reinforcing steel bar can be still and immovable under any bending angle state, people can be ensured to detect the bending strength of the reinforcing steel bar under different bending angles, the applicability and the practicability of the reinforcing steel bar strength detection device are further improved, through the matching of the driving device, the transmission device and the pressing device, people can apply bending force to the reinforcing steel bar by means of self gravity, the operation process is simple and convenient, time and labor are saved, and then make the detection achievement lighter, increased this reinforcing bar intensity detection device's practicality once more, the practicality is showing and is improving.
Description
Technical Field
The invention relates to the field of reinforcing steel bar strength detection equipment, in particular to a reinforcing steel bar strength detection device for constructional engineering.
Background
The steel bar is steel for reinforced concrete and prestressed reinforced concrete, the cross section of the steel bar is round, sometimes square with round angle, the steel bar is mainly applied to various large, heavy, light thin-wall and high-rise building structures, and the steel bar is divided into smooth steel bar, ribbed steel bar and twisted steel bar, in recent years, high-rise buildings, large and medium-sized public facilities and municipal works in cities and newly-built urban and rural residential construction are rapidly developed, so that the reinforced concrete structure becomes the most widely applied building structure form in the current society, and the steel bar is a framework of the reinforced concrete structure, therefore, the strength performance of the steel bar material plays a vital role in the quality of the building, and in order to strictly control the strength performance of the steel bar, people usually use a steel bar strength detection device to detect the bending strength of the steel bar in a construction site.
The existing building engineering steel bar strength detection device is generally composed of a detection frame and a detection instrument host, when in use, a steel bar to be detected is placed in the detection frame, then a rocker is shaken to enable a pressure rod to move downwards, a pressing block below the pressure rod applies pressure to the steel bar and bends the steel bar, a pressure sensor between the pressure rod and the pressing block can transmit the force applied in the steel bar bending process to the detection instrument host in the form of an electric signal, people can know the bending strength of the steel bar through data on the detection instrument host, but the bending angle of the existing building engineering steel bar strength detection device to the steel bar is fixed, people cannot detect the bending strength of the steel bar under different bending angles and cannot effectively fix the steel bar, and the steel bar is easy to slide and pop out to cause safety accidents in the process of bending test of the steel bar, the security performance is low, and simultaneously when the bar diameter that detects is great, people rotate the rocker and can be very hard, lead to detection achievement to waste time and energy, and the practicality is poor, consequently need to design a building engineering reinforcing bar intensity detection device urgently.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the existing constructional engineering steel bar strength detection device in the prior art, which is generally composed of a detection frame and a detection instrument host, when in use, a steel bar to be detected is placed in the detection frame, then a rocker is shaken to enable a pressure rod to move downwards, a pressing block below the pressure rod applies pressure to the steel bar and bends the steel bar, a pressure sensor between the pressure rod and the pressing block can transmit the force applied in the bending process of the steel bar to the detection instrument host in the form of an electric signal, people can know the bending strength of the steel bar through data on the detection instrument host, but the bending angle of the existing constructional engineering steel bar strength detection device to the steel bar is fixed, people cannot detect the bending strength of the steel bar under different bending angles and cannot effectively fix the steel bar, and the steel bar is easy to slide and pop out to cause safety accidents in the bending test process of the steel bar, the invention aims to provide a device for detecting the strength of the reinforcing steel bar in the building engineering, which can well solve the problems in the background technology.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a building engineering reinforcing bar intensity detection device, includes the test rack, the bottom of test rack is equipped with the change device.
Preferably, the detection frame comprises a lower cross beam, a vertical beam is connected to the right end of the top surface of the lower cross beam, a driving device and a transmission device are arranged inside the vertical beam, a host is fixedly mounted on the front surface of the vertical beam, an upper cross beam is connected to the top end of the vertical beam, a pressure applying device is arranged on the upper cross beam, and a sealing plate is mounted on the top surface of the upper cross beam through bolts.
Preferably, change the device and include guide way and horizontal location board, the guide way is seted up on the left end face of bottom end rail, and the right flank of guide way inner chamber is connected with the extension rod through the tension spring transmission, and the left end of extension rod is connected with the backup pad, and the top of backup pad left surface is equipped with angle monitoring devices, and the right flank of backup pad is connected with the left end face contact of bottom end rail, and horizontal location board fixed connection is on the top surface of bottom end rail.
Preferably, the angle monitoring device comprises an instrument groove and an insertion groove, the instrument groove is arranged on the left side surface of the support plate, the insertion groove is arranged on the right side surface of the support plate, a clamping device is arranged inside the insertion groove, an instrument panel is fixedly arranged on the right side surface of an inner cavity of the instrument groove, a perspective cover is embedded inside the instrument groove, a transmission rod is movably inserted on the instrument panel, the left end of the transmission rod extends into the perspective cover and is fixedly connected with a pointer, a positioning plate is fixedly connected to the inner wall of the insertion groove and is provided with a central hole, the right end of the transmission rod extends into the insertion groove and penetrates through the central hole and is fixedly connected with a transmission plate, a fixed tooth socket is arranged on the right side surface of the transmission plate, two adjacent surfaces of the positioning plate and the transmission plate are both provided with annular grooves, balls are arranged inside the annular grooves and are slidably connected with the inner wall of the annular grooves, and a, one end of the first spring is connected with the surface of the transmission rod, and the other end of the first spring is fixedly connected with the inner wall of the insertion groove.
Preferably, the clamping device comprises a lower clamping plate, an upper clamping plate and an inserting hole, a lower clamping groove and a fixed groove are formed in the top surface of the lower clamping plate, a ratchet bar is fixedly mounted on the inner wall of the fixed groove, a left shaft is connected to the left side surface of the lower clamping plate, a convex tooth is arranged on the left end surface of the left shaft, the left end of the left shaft is movably inserted into the inserting groove, the convex tooth is meshed with a fixed tooth groove, a left limiting plate is fixedly sleeved on the outer portion of the left shaft, a left side surface of the left limiting plate is in contact connection with the right side surface of the supporting plate, a right shaft is connected to the right side surface of the lower clamping plate, a right limiting plate is fixedly sleeved on the outer portion of the right shaft, the inserting hole is formed in the left side surface of the vertical beam, the right end of the right shaft is movably inserted into the inserting hole, the right side surface of the right limiting plate is in contact connection with the, the apron is installed to the top surface bolt of punch holder, and the spout with the guiding hole intercommunication is seted up to the side of punch holder, and the inside slip of guiding hole is pegged graft and is had the piston post, and the side of piston post is connected with the set-square, and the other end of set-square passes the spout and extends to the outside of punch holder.
Preferably, the buckling device comprises a buckling column, the top end of the buckling column is fixedly inserted into the guide hole, the top end of the buckling column is in contact connection with the bottom surface of the piston column, the bottom end of the buckling column is movably inserted into the fixed groove, a threading hole and a fixed cavity are formed in the buckling column, the threading hole is communicated with the fixed cavity, a perforation communicated with the fixed cavity is formed in the side surface of the buckling column, a sliding rod is fixedly connected to the inner wall of the buckling column, a push plate and a spreading spring are sleeved on the outer portion of the sliding rod, the number of the push plates is two, the two ends of the spreading spring are respectively connected with the two push plates, a linkage line is fixedly connected between the two push plates, a pulling line is fixedly connected to the middle of the linkage line, the other end of the pulling line penetrates through the threading hole and is fixedly connected with the bottom surface of the piston column, the side surface of the push plate.
Preferably, drive arrangement is including fixing a position the chamber, the transmission chamber, track hole and drive chamber, the inside at perpendicular roof beam is all seted up in location chamber and track hole, entablature and closing plate are run through on the top in track hole, transmission chamber and drive chamber are all seted up on the top surface of entablature, the inside in transmission chamber is equipped with transmission, the underrun jack-up spring transmission of location intracavity chamber is connected with the jack-up piston, the inner wall sliding connection in jack-up piston and location chamber, the top surface of jack-up piston is connected with the pinion rack, transmission chamber and jack-up piston are passed and connected with the footboard on the top of pinion rack, the bottom surface of footboard is connected with the guide bar, the bottom activity of guide bar is pegged graft in the inside in track hole.
Preferably, the transmission device comprises a transmission pipe, the right end of the transmission pipe is movably sleeved with the right side surface of the inner cavity of the transmission cavity, the left end of the transmission pipe extends to the inside of the driving cavity and is fixedly sleeved with a flying disc, a limiting cavity is formed in the flying disc, the inner wall of the limiting cavity is connected with a thrust plate through a meshing spring in a transmission manner, the thrust plate is connected with the inner wall of the limiting cavity in a sliding manner, the other side of the thrust plate is connected with a movable ratchet, the other end of the movable ratchet extends to the outside of the flying disc, an inner ratchet pipe is movably sleeved on the outside of the flying disc and is meshed with the inner ratchet pipe, the right end of the inner ratchet pipe is fixedly connected with the inner wall of the driving cavity, one side of the thrust plate far away from the movable ratchet is connected with a transmission line, the other end of the transmission line extends to the inside of the transmission pipe and is fixedly connected with a, the right-hand member of depression bar passes the transmission pipe and extends to the outside and the fixed cover of entablature and has connect the pressure disk, the left surface fixedly connected with drive bevel gear of frisby, the external fixation of transmission pipe has cup jointed the fixed disk that is located the transmission intracavity portion, the cushion chamber has been seted up to the inside of fixed disk, the inner wall of cushion chamber is connected with the buffer board through the buffer spring transmission, the another side of buffer board is connected with spacing post, the other end of spacing post extends to the outside of fixed disk, the one side that spacing post was kept away from to the buffer board is connected with the driving rope, the other end of driving rope extends to the inside of transmission pipe and with driving ring fixed connection, the gear has been cup jointed in the outside activity of fixed disk, the inner wall of gear has been seted up and has been colluded the.
Preferably, the pressure applying device comprises a fixed box, the bottom surface of the fixed box is fixedly connected to the bottom surface of the inner cavity of the driving cavity, a rotating pipe is movably inserted in the fixed box, the bottom end of the rotating pipe is movably sleeved with the bottom surface of the inner cavity of the driving cavity, the top end of the rotating pipe is movably sleeved with the bottom surface of the sealing plate, a second spring inside the fixed box is movably sleeved on the outer part of the rotating pipe, one end of the second spring is fixedly connected with the rotating pipe, the other end of the second spring is fixedly connected with the inner wall of the fixed box, a driven bevel gear above the fixed box is fixedly sleeved on the outer part of the rotating pipe, the driven bevel gear is meshed with the driving bevel gear, a threaded rod is sleeved on the inner thread of the rotating pipe, the top end of the threaded rod penetrates through the sealing plate and extends to the outer part of the sealing plate, the bottom end of the threaded rod extends to, the inside fixedly connected with pressure shaft of U shaped steel, the outside activity of pressure shaft has cup jointed the pressure application wheel, and the top surface of U shaped steel is connected with the telescopic link, the other end of telescopic link and the bottom surface fixed connection of entablature.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
the clamping device is simple and convenient to operate, the detection speed is improved, the reinforcing steel bar is effectively fixed, the problem that the reinforcing steel bar is easy to slide and pop out to cause safety accidents in the process of bending test of the reinforcing steel bar is solved, the safety performance is high, the clamping device matched with the reinforcing steel bar can be quickly replaced according to the diameter of the reinforcing steel bar by the replacing device, the effective fixing of the reinforcing steel bar is further ensured, the applicability and the practicability of the reinforcing steel bar strength detection device are improved, people can observe the bending angle of the reinforcing steel bar in real time by the angle monitoring device, the reinforcing steel bar can be static and fixed under any bending angle state by the transmission device, the bending strength of the reinforcing steel bar under different bending angles can be detected by people, and the applicability and the practicability of the reinforcing steel bar strength detection device are further improved, through drive arrangement, transmission, biasing means's cooperation for people can rely on the gravity of self to exert the bending force to the reinforcing bar, and operation process is simple and convenient, and labour saving and time saving, and then make the detection achievement lighter, has increased this reinforcing bar intensity detection device's practicality once more, and the practicality is showing and is improving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the internal structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the internal structure of the replacing device in FIG. 2 according to the present invention;
FIG. 5 is a schematic diagram of the internal structure of the angle monitoring device of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the internal structure of the clamping device shown in FIG. 2 according to the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at A in accordance with the present invention;
FIG. 8 is a schematic view of the interior structure of the fastening device of FIG. 6 according to the present invention;
FIG. 9 is a schematic view of the internal structure of the vertical beam of FIG. 2 according to the present invention;
FIG. 10 is a schematic illustration of the transmission of FIG. 9 according to the present invention;
FIG. 11 is a cross-sectional view taken at B-B of FIG. 10 in accordance with the present invention;
FIG. 12 is an enlarged view of the structure of FIG. 11 at C in accordance with the present invention;
FIG. 13 is a cross-sectional view taken at D-D of FIG. 10 in accordance with the present invention;
fig. 14 is a schematic view showing an internal structure of the pressing device of fig. 2 according to the present invention.
The reference numbers in the figures illustrate:
1. a detection frame; 11. a lower cross beam; 12. erecting a beam; 13. a host; 14. an upper cross beam; 15. a closing plate; 2. replacing the device; 20. a guide groove; 21. a tension spring; 22. an extension rod; 23. a support plate; 24. a horizontal positioning plate; 3. an angle monitoring device; 301. an instrument slot; 302. inserting grooves; 303. an instrument panel; 304. a see-through cover; 305. a transmission rod; 306. a pointer; 307. positioning a plate; 308. a central bore; 309. a drive plate; 310. fixing the tooth socket; 311. a circular ring-shaped groove; 312. a ball bearing; 313. a first spring; 4. a clamping device; 400. a lower splint; 401. an upper splint; 402. a lower clamping groove; 403. fixing grooves; 404. a ratchet bar; 405. a left shaft; 406. a convex tooth; 407. a left limit plate; 408. a right shaft; 409. a right limit plate; 410. inserting holes; 411. an upper clamping groove; 412. a guide hole; 413. a cover plate; 414. a chute; 415. a piston post; 416. a set square; 5. a fastening device; 50. a clamping and connecting plate; 51. buckling the column; 52. threading holes; 53. a fixed cavity; 54. perforating; 55. a slide bar; 56. pushing the plate; 57. a spring is expanded; 58. a linkage line; 59. a pulling wire; 6. a drive device; 61. a positioning cavity; 62. a transmission cavity; 63. a track hole; 64. jacking up the spring; 65. jacking the piston; 66. a toothed plate; 67. a pedal; 68. a guide bar; 69. a drive chamber; 7. a transmission device; 700. an inner ratchet tube; 701. a drive tube; 702. a flying disc; 703. a limiting cavity; 704. an engaging spring; 705. a thrust plate; 706. a movable ratchet; 707. a drive line; 708. a drive ring; 709. a pressure lever; 710. steel balls; 711. a drive bevel gear; 712. fixing the disc; 713. a buffer chamber; 714. a buffer spring; 715. a buffer plate; 716. a limiting column; 717. a gear; 718. aligning the hook-shaped grooves; 719. a drive rope; 8. a pressure applying device; 80. a telescopic rod; 81. a fixed box; 82. rotating the tube; 83. a second spring; 84. a driven bevel gear; 85. a threaded rod; 86. a pressure sensor; 87. u-shaped steel; 88. a pressure shaft; 89. and applying a pressing wheel.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Referring to fig. 1-14, a strength testing device for steel bars in construction engineering includes a testing frame 1, and a replacing device 2 is disposed at the bottom of the testing frame 1.
The detection frame 1 comprises a lower cross beam 11, a vertical beam 12 is connected to the right end of the top surface of the lower cross beam 11, a driving device 6 and a transmission device 7 are arranged inside the vertical beam 12, a host 13 is fixedly mounted on the front surface of the vertical beam 12, the host 13 is electrically connected with a pressure applying device 8, an upper cross beam 14 is connected to the top end of the vertical beam 12, the pressure applying device 8 is arranged on the upper cross beam 14, and a sealing plate 15 is mounted on the top surface of the upper cross beam 14 through bolts.
Changing device 2 includes guide way 20 and horizontal location board 24, guide way 20 is seted up on the left end face of bottom end rail 11, the right flank of guide way 20 inner chamber is connected with extension rod 22 through the transmission of tension spring 21, the left end of extension rod 22 is connected with backup pad 23, the top of backup pad 23 left surface is equipped with angle monitoring devices 3, the right flank of backup pad 23 is connected with the left end face contact of bottom end rail 11, horizontal location board 24 fixed connection is on the top surface of bottom end rail 11.
The angle monitoring device 3 comprises an instrument groove 301 and an inserting groove 302, the instrument groove 301 is arranged on the left side surface of the supporting plate 23, the inserting groove 302 is arranged on the right side surface of the supporting plate 23, the clamping device 4 is arranged inside the inserting groove 302, the instrument panel 303 is fixedly arranged on the right side surface of the inner cavity of the instrument groove 301, the perspective cover 304 is embedded inside the instrument groove 301, the driving rod 305 is movably inserted on the instrument panel 303, the left end of the driving rod 305 extends into the perspective cover 304 and is fixedly connected with a pointer 306, the inner wall of the inserting groove 302 is fixedly connected with a positioning plate 307, the positioning plate 307 is provided with a central hole 308, the right end of the driving rod 305 extends into the inserting groove 302 and passes through the central hole 308 and is fixedly connected with a driving plate 309, the right side surface of the driving plate 309 is provided with a fixed tooth groove 310, the two surfaces of the positioning plate 307 and the driving plate 309 which are close, the ball 312 is slidably connected with the inner wall of the circular groove 311, the exterior of the transmission rod 305 is movably sleeved with a first spring 313 located inside the insertion groove 302, one end of the first spring 313 is connected with the surface of the transmission rod 305, and the other end of the first spring 313 is fixedly connected with the inner wall of the insertion groove 302.
The clamping device 4 comprises a lower clamping plate 400, an upper clamping plate 401 and an inserting hole 410, wherein the top surface of the lower clamping plate 400 is provided with a lower clamping groove 402 and a fixing groove 403, the inner wall of the fixing groove 403 is fixedly provided with a ratchet bar 404, the left side surface of the lower clamping plate 400 is connected with a left shaft 405, the left end surface of the left shaft 405 is provided with a convex tooth 406, the left end of the left shaft 405 is movably inserted in the inserting groove 302, the convex tooth 406 is meshed with a fixing tooth groove 310, the outer part of the left shaft 405 is fixedly sleeved with a left limiting plate 407, the left side surface of the left limiting plate 407 is in contact connection with the right side surface of the supporting plate 23, the right side surface of the lower clamping plate 400 is connected with a right shaft 408, the outer part of the right shaft 408 is fixedly sleeved with a right limiting plate 409, the inserting hole 410 is arranged on the left side surface of the vertical beam 12, the right end of the right limiting plate 408 is movably inserted in the inserting hole 410, the right, the fastening device 5 located at the bottom end of the guide hole 412 is fixedly inserted in the guide hole 412, the cover plate 413 is installed on the top face of the upper clamp plate 401 through bolts, the sliding groove 414 communicated with the guide hole 412 is formed in the side face of the upper clamp plate 401, the piston column 415 is inserted in the guide hole 412 in a sliding mode, the side face of the piston column 415 is connected with the triangular plate 416, and the other end of the triangular plate 416 penetrates through the sliding groove 414 and extends to the outside of the upper clamp plate 401.
The buckling device 5 comprises a buckling column 51, the top end of the buckling column 51 is fixedly inserted into the guide hole 412, the top end of the buckling column 51 is in contact connection with the bottom surface of the piston column 415, the bottom end of the buckling column 51 is movably inserted into the fixing groove 403, the buckling column 51 is internally provided with a threading hole 52 and a fixing cavity 53, the threading hole 52 is communicated with the fixing cavity 53, the side surface of the buckling column 51 is provided with a through hole 54 communicated with the fixing cavity 53, the inner wall of the buckling column 51 is fixedly connected with a sliding rod 55, the outer part of the sliding rod 55 is movably sleeved with a push plate 56 and an expansion spring 57, the number of the push plates 56 is two, two ends of the expansion spring 57 are respectively connected with the two push plates 56, a linkage line 58 is fixedly connected between the two push plates 56, the middle part of the linkage line 58 is fixedly connected with a traction line 59, the other end of the traction line 59 passes through the threading hole 52 and is fixedly connected with, the other end of the snap plate 50 passes through the aperture 54 and engages the ratchet bar 404.
Drive arrangement 6 is including location chamber 61, transmission chamber 62, track hole 63 and drive chamber 69, location chamber 61 and track hole 63 all set up in the inside of erecting roof beam 12, the top of track hole 63 runs through entablature 14 and closing plate 15, transmission chamber 62 and drive chamber 69 all set up on the top surface of entablature 14, the inside of transmission chamber 62 is equipped with transmission 7, the underrun of location chamber 61 inner chamber has jack-up piston 65 through jack-up spring 64 transmission connection, jack-up piston 65 and the inner wall sliding connection of location chamber 61, the top surface of jack-up piston 65 is connected with pinion rack 66, the top of pinion rack 66 passes transmission chamber 62 and jack-up piston 65 and is connected with footboard 67, the bottom surface of footboard 67 is connected with guide bar 68, the bottom activity of guide bar 68 is pegged graft in the inside of track hole 63.
The transmission device 7 comprises a transmission pipe 701, the right end of the transmission pipe 701 is movably sleeved with the right side surface of the inner cavity of the transmission cavity 62, the left end of the transmission pipe 701 extends into the driving cavity 69 and is fixedly sleeved with a flying disc 702, the inner part of the flying disc 702 is provided with a limit cavity 703, the inner wall of the limit cavity 703 is connected with a thrust plate 705 in a transmission way through a meshing spring 704, the thrust plate 705 is connected with the inner wall of the limit cavity 703 in a sliding way, the other side of the thrust plate 705 is connected with a movable ratchet 706, the other end of the movable ratchet 706 extends to the outer part of the flying disc 702, the outer part of the flying disc 702 is movably sleeved with an inner ratchet pipe 700, the movable ratchet 706 is meshed with the inner ratchet pipe 700, the right end of the inner ratchet pipe 700 is fixedly connected with the inner wall of the driving cavity 69, one side of the thrust plate, which is far away from the movable ratchet 706, is connected with a transmission line 707, the other end of the transmission, a steel ball 710 is arranged between the transmission ring 708 and the compression bar 709, the right end of the compression bar 709 passes through the transmission pipe 701 and extends to the outside of the upper beam 14, and is fixedly sleeved with a pressure plate, the left side surface of the flying disc 702 is fixedly connected with a driving bevel gear 711, the outside of the transmission pipe 701 is fixedly sleeved with a fixed disc 712 positioned in the transmission cavity 62, the inside of the fixed disc 712 is provided with a buffer cavity 713, the inner wall of the buffer cavity 713 is connected with a buffer plate 715 in a transmission way through a buffer spring 714, the other side of the buffer plate 715 is connected with a limit column 716, the other end of the limit column 716 extends to the inside of the transmission pipe 701 and is fixedly connected with the transmission ring 708, the outside of the fixed disc 712 is movably sleeved with a gear 717, the inner wall of the gear 717 is provided with a pair hook-shaped groove 718, the end part of the limit column 716 is movably inserted in the pair hook-shaped groove 718, gear 717 meshes with toothed plate 66.
The pressing device 8 comprises a fixed box 81, the bottom surface of the fixed box 81 is fixedly connected to the bottom surface of the inner cavity of the driving cavity 69, a rotating pipe 82 is movably inserted into the fixed box 81, the bottom end of the rotating pipe 82 is movably sleeved with the bottom surface of the inner cavity of the driving cavity 69, the top end of the rotating pipe 82 is movably sleeved with the bottom surface of the sealing plate 15, a second spring 83 positioned inside the fixed box 81 is movably sleeved outside the rotating pipe 82, one end of the second spring 83 is fixedly connected with the rotating pipe 82, the other end of the second spring 83 is fixedly connected with the inner wall of the fixed box 81, a driven bevel gear 84 positioned above the fixed box 81 is fixedly sleeved outside the rotating pipe 82, the driven bevel gear 84 is meshed with a driving bevel gear 711, a threaded rod 85 is sleeved on the internal thread of the rotating pipe 82, the top end of the threaded rod 85 penetrates through the sealing plate 15 and extends to the outside of the sealing plate 15, and the threaded, threaded rod 85 and closing plate 15 are not screw-thread fit, the bottom of threaded rod 85 extends to the outside and the fixedly connected with pressure sensor 86 of entablature 14, threaded rod 85 activity alternates on entablature 14, threaded rod 85 is not screw-thread fit with entablature 14, pressure sensor 86's bottom is connected with U shaped steel 87, U shaped steel 87's inside fixedly connected with pressure shaft 88, the outside activity of pressure shaft 88 has cup jointed pressure applying wheel 89, U shaped steel 87's top surface is connected with telescopic link 80, telescopic link 80's the other end and the bottom surface fixed connection of entablature 14.
The working principle is as follows:
firstly, selecting a clamping device 4 matched with the diameter of a steel bar according to the diameter of the steel bar, then pulling a support plate 23 leftwards, wherein the support plate 23 pulls a tension spring 21 through an extension rod 22, the tension spring 21 elastically extends, the elastic potential energy is increased, then inserting the end part of a right shaft 408 into an inserting hole 410 and enabling the right side surface of a right limit plate 409 to be in contact connection with the left side surface of a vertical beam 12, at the moment, aligning the end part of the left shaft 405 with an inserting groove 302, then slowly moving the support plate 23 rightwards until the end part of the left shaft 405 is inserted into the inserting groove 302, then loosening the clamping device 4, rotating the clamping device 4 by taking the left shaft 405 as a central shaft under the action of gravity until the bottom surface of a lower clamping plate 400 is in contact connection with the top surface of a horizontal positioning plate 24, at the moment, the clamping device 4 is in a horizontal state, a convex tooth, until the convex teeth 406 are inserted into the fixing tooth grooves 310, the fixing of the clamping device 4 is completed, then the triangular plate 416 is lifted upwards, the triangular plate 416 carries the piston column 415 to move upwards, the piston column 415 pulls the linkage line 58 through the pulling line 59, the linkage line 58 bends upwards and pulls the two push plates 56 to approach each other, then the push plates 56 carry the clamping plates 50 to move towards the inside of the fixing cavity 53, the clamping plates 50 are separated from the ratchet rack 404, then the triangular plate 416 carries the upper clamping plate 401 to move upwards through the piston column 415, the bottom end of the buckling device 5 moves out of the inside of the fixing groove 403, then the upper clamping plate 401 is separated from the lower clamping plate 400, then the steel bar is placed in the inside of the lower clamping groove 402, then the bottom end of the buckling device 5 is inserted into the fixing groove 403 and the upper clamping plate 401 is pressed downwards, the upper clamping groove 411 is clamped on the steel bar, and then the push plates 56 carry the clamping plates 50 to, then the clamping plate 50 is meshed with the ratchet bar 404, the lower clamping plate 400 and the upper clamping plate 401 are fixedly clamped together to complete the fixation of the steel bars, then the pedal 67 is stepped, the pedal 67 drives the toothed plate 66 to move downwards, the toothed plate 66 drives the jacking spring 64 to work through the jacking piston 65, so that the elastic potential energy of the jacking spring 64 is increased, meanwhile, the toothed plate 66 drives the gear 717 to rotate through the meshing action of the toothed plate 66 and the gear 717, the gear 717 drives the fixed disc 712 to rotate through the splicing action of the hook-shaped groove 718 and the limiting column 716, the fixed disc 712 drives the transmission pipe 701 to rotate, the transmission pipe 701 drives the rotation pipe 82 to rotate through the meshing action of the flying disc 702, the driving bevel gear 711 and the driven bevel gear 84, the rotation pipe 82 drives the second spring 83 to work, so that the elastic potential energy of the second spring 83 is increased, in the process, the rotation pipe 82 rotates relative to the threaded rod 85, the threaded rod 85 moves downwards under the threaded matching action of the, the threaded rod 85 pushes the pressure sensor 86, the U-shaped steel 87, the pressure shaft 88 and the pressing wheel 89 to move downwards, meanwhile, the thrust plate 705 drives the movable ratchet 706 to move outwards under the action of the elasticity of the meshing spring 704, then the movable ratchet 706 slides on the inner wall of the inner ratchet tube 700, when the pedal 67 moves downwards to a dead point position, the second spring 83 provides a reverse acting force for the rotating tube 82, so that the rotating tube 82 has a tendency of reverse rotation, then the rotating tube 82 applies the reverse acting force to the flying disc 702 through the meshing action of the driven bevel gear 84 and the driving bevel gear 711, so that the flying disc 702 has the tendency of reverse rotation, then the movable ratchet 706 is meshed with the inner wall of the inner ratchet tube 700 to limit the flying disc 702, so that the rotating tube 701 can limit the rotating tube 701, so that the rotating tube 701 can only rotate in a single direction, the driving tube 701 limits the fixed ratchet 712, so that the fixed, then the pedal 67 is released, the jacking piston 65 drives the toothed plate 66 to move upwards under the action of the elastic force of the jacking spring 64, the toothed plate 66 drives the gear 717 to rotate reversely, in the process, the end part of the limiting column 716 can slide outwards from the inclined plane of the hook-shaped groove 718, then the inclined plane applies thrust to the limiting column 716, the limiting column 716 gradually moves towards the interior of the buffer cavity 713, then the end part of the limiting column 716 slides on the inner wall of the gear 717, then the end part of the limiting column 716 is inserted into the hook-shaped groove 718 again and slides out from the inclined plane of the hook-shaped groove 718 again, the reciprocating is carried out in such a way that the fixed disc 712 cannot limit the reverse rotation of the gear 717, thus the toothed plate 66 can move upwards to the initial position, the operation is repeated, the pressing wheel 89 gradually moves downwards and applies pressure to the reinforcing steel bars, the reinforcing steel bars are bent, then the clamping device 4 rotates along with the bending of the reinforcing steel bars, and then the clamping device 4 drives the transmission plate 309, the driving plate 309 drives the pointer 306 to rotate through the driving rod 305, then the bending angle of the steel bar is determined through the matching of the pointer 306 and the instrument panel 303, when the bending angle of the steel bar reaches a specified detection angle, the operation on the pedal 67 is stopped, the pedal 67 automatically returns to the initial position, then the standing is carried out for ten minutes, then the pressure sensor 86 detects the stress numerical value of the steel bar and sends the numerical value to the host 13, the numerical value is displayed by the host 13, then the bending strength of the steel bar is calculated according to the numerical value, after the detection is finished, the pressure rod 709 is pulled, the pressure rod 709 pulls the driving line 707 through the matching of the steel ball 710 and the driving ring 708, the driving line 707 pulls the thrust plate 705, the thrust plate 705 drives the movable ratchet 706 to move towards the inside of the limit cavity, the movable ratchet 706 is separated from the inner wall of the inner ratchet tube 700, the limit on the driving tube 701 is, meanwhile, the transmission ring 708 pulls the transmission rope 719, the transmission rope 719 pulls the limiting column 716 through the buffer plate 715, the limiting column 716 moves towards the inside of the buffer cavity 713, the limiting column 716 is completely separated from the hook-shaped groove 718, then the rotating pipe 82 rotates reversely under the elastic force of the second spring 83, then the threaded rod 85 moves upwards under the effect of the threaded fit of the threaded rod 85 and the rotating pipe 82, and then the threaded rod 85 drives the pressing wheel 89 to move upwards through the pressure sensor 86, the U-shaped steel 87 and the pressure shaft 88 until the pressing wheel 89 returns to the initial position.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a building engineering reinforcing bar intensity detection device, includes testing frame (1), its characterized in that: the bottom of the detection frame (1) is provided with a replacing device (2).
2. The structural engineering steel bar strength detection device according to claim 1, wherein: the detection frame (1) comprises a lower cross beam (11), the right end of the top surface of the lower cross beam (11) is connected with a vertical beam (12), a driving device (6) and a transmission device (7) are arranged inside the vertical beam (12), a host (13) is fixedly mounted on the front surface of the vertical beam (12), an upper cross beam (14) is connected to the top end of the vertical beam (12), a pressure applying device (8) is arranged on the upper cross beam (14), and a sealing plate (15) is mounted on the top surface of the upper cross beam (14) through bolts.
3. The structural engineering steel bar strength detection device according to claim 2, wherein: change device (2) including guide way (20) and horizontal location board (24), set up on the left end face of bottom end rail (11) guide way (20), the right flank of guide way (20) inner chamber is connected with extension rod (22) through tension spring (21) transmission, the left end of extension rod (22) is connected with backup pad (23), the top of backup pad (23) left surface is equipped with angle monitoring devices (3), the right flank of backup pad (23) is connected with the left end face contact of bottom end rail (11), horizontal location board (24) fixed connection is on the top surface of bottom end rail (11).
4. The structural engineering steel bar strength detection device according to claim 3, wherein: the angle monitoring device (3) comprises an instrument groove (301) and an insertion groove (302), the instrument groove (301) is arranged on the left side surface of the supporting plate (23), the insertion groove (302) is arranged on the right side surface of the supporting plate (23), a clamping device (4) is arranged inside the insertion groove (302), an instrument panel (303) is fixedly arranged on the right side surface of an inner cavity of the instrument groove (301), a perspective cover (304) is embedded inside the instrument groove (301), a transmission rod (305) is movably inserted on the instrument panel (303), the left end of the transmission rod (305) extends to the inside of the perspective cover (304) and is fixedly connected with a pointer (306), a positioning plate (307) is fixedly connected to the inner wall of the insertion groove (302), a central hole (308) is formed in the positioning plate (307), the right end of the transmission rod (305) extends to the inside of the insertion groove (302) and penetrates through the central hole (308) and is fixedly connected with a, fixed tooth's socket (310) have been seted up to the right flank of driving plate (309), circular ring groove (311) have all been seted up on the two sides that locating plate (307) and driving plate (309) are close to each other, the inside in circular ring groove (311) is equipped with ball (312), the inner wall sliding connection in ball (312) and circular ring groove (311), the outside activity of transfer line (305) is cup jointed and is located inside first clockwork spring (313) of inserting groove (302), the one end of first clockwork spring (313) and the surface connection of transfer line (305), the other end of first clockwork spring (313) and the inner wall fixed connection of inserting groove (302).
5. The structural engineering steel bar strength detection device according to claim 4, wherein: the clamping device (4) comprises a lower clamping plate (400), an upper clamping plate (401) and an inserting hole (410), a lower clamping groove (402) and a fixing groove (403) are formed in the top surface of the lower clamping plate (400), a ratchet bar (404) is fixedly installed on the inner wall of the fixing groove (403), a left shaft (405) is connected to the left side surface of the lower clamping plate (400), a convex tooth (406) is arranged on the left end surface of the left shaft (405), the left end of the left shaft (405) is movably inserted into the inserting groove (302), the convex tooth (406) is meshed with a fixing tooth groove (310), a left limiting plate (407) is fixedly sleeved on the outer portion of the left shaft (405), the left side surface of the left limiting plate (407) is in contact connection with the right side surface of the supporting plate (23), a right shaft (408) is connected to the right side surface of the lower clamping plate (400), a right limiting plate (409) is connected to the outer portion of the right shaft (408), the, the right-hand member activity of right side axle (408) is pegged graft in the inside of spliced eye (410), the right flank of right side spacing board (409) is connected with the left surface contact of erecting roof beam (12), draw-in groove (411) and guiding hole (412) have been seted up to the bottom surface of punch holder (401), the fixed grafting in inside of guiding hole (412) has closing device (5) that are located its bottom, apron (413) are installed to the top surface bolt of punch holder (401), spout (414) with guiding hole (412) intercommunication is seted up to the side of punch holder (401), the inside slip grafting of guiding hole (412) has piston post (415), the side of piston post (415) is connected with set-square (416), the other end of set-square (416) passes spout (414) and extends to the outside of punch holder (401).
6. The structural engineering steel bar strength detection device according to claim 5, wherein: the buckling device (5) comprises buckling columns (51), the top ends of the buckling columns (51) are fixedly inserted into the guide holes (412), the top ends of the buckling columns (51) are in contact connection with the bottom surfaces of the piston columns (415), the bottom ends of the buckling columns (51) are movably inserted into the fixing grooves (403), threading holes (52) and fixing cavities (53) are formed in the buckling columns (51), the threading holes (52) are communicated with the fixing cavities (53), through holes (54) communicated with the fixing cavities (53) are formed in the side surfaces of the buckling columns (51), sliding rods (55) are fixedly connected to the inner walls of the buckling columns (51), push plates (56) and spreading springs (57) are movably sleeved outside the sliding rods (55), the number of the push plates (56) is two, the two ends of the spreading springs (57) are respectively connected with the two push plates (56), and linkage lines (58) are fixedly connected between the two push plates (56), the middle part of the linkage line (58) is fixedly connected with a pulling line (59), the other end of the pulling line (59) penetrates through the threading hole (52) and is fixedly connected with the bottom surface of the piston column (415), the side surface, far away from the opening spring (57), of the push plate (56) is connected with a clamping plate (50), and the other end of the clamping plate (50) penetrates through the through hole (54) and is meshed with the ratchet bar (404).
7. The structural engineering steel bar strength detection device according to claim 2, wherein: the driving device (6) comprises a positioning cavity (61), a transmission cavity (62), a track hole (63) and a driving cavity (69), the positioning cavity (61) and the track hole (63) are arranged inside the vertical beam (12), the top end of the track hole (63) penetrates through the upper cross beam (14) and the closing plate (15), the transmission cavity (62) and the driving cavity (69) are arranged on the top surface of the upper cross beam (14), the transmission device (7) is arranged inside the transmission cavity (62), the bottom surface of the inner cavity of the positioning cavity (61) is in transmission connection with a jacking piston (65) through a jacking spring (64), the jacking piston (65) is in sliding connection with the inner wall of the positioning cavity (61), the top surface of the jacking piston (65) is connected with a toothed plate (66), the top end of the toothed plate (66) penetrates through the transmission cavity (62) and the jacking piston (65) and is connected with a pedal (67), the bottom surface of the pedal (67) is connected with a guide rod (68), the bottom end of the guide rod (68) is movably inserted in the track hole (63).
8. The structural engineering steel bar strength detection device according to claim 2, wherein: the transmission device (7) comprises a transmission pipe (701), the right end of the transmission pipe (701) is movably sleeved with the right side face of an inner cavity of a transmission cavity (62), the left end of the transmission pipe (701) extends into a driving cavity (69) and is fixedly sleeved with a flying disc (702), a limiting cavity (703) is formed in the flying disc (702), the inner wall of the limiting cavity (703) is connected with a thrust plate (705) in a transmission mode through a meshing spring (704), the thrust plate (705) is connected with the inner wall of the limiting cavity (703) in a sliding mode, the other side of the thrust plate (705) is connected with a movable ratchet (706), the other end of the movable ratchet (706) extends to the outer portion of the flying disc (702), an inner ratchet pipe (700) is movably sleeved on the outer portion of the flying disc (702), the movable ratchet (706) is meshed with the transmission ratchet pipe (700), the right end of the inner ratchet pipe (700) is fixedly connected with the inner wall of the driving cavity (69), and one side, far away from the movable ratchet (705), is connected, the other end of the transmission line (707) extends to the inside of the transmission pipe (701) and is fixedly connected with a transmission ring (708), a pressing rod (709) is movably inserted in the transmission ring (708), a steel ball (710) is arranged between the transmission ring (708) and the pressing rod (709), the right end of the pressing rod (709) penetrates through the transmission pipe (701) and extends to the outside of the upper beam (14) and is fixedly sleeved with a pressing disc, the left side surface of the flying disc (702) is fixedly connected with a driving bevel gear (711), the outside of the transmission pipe (701) is fixedly sleeved with a fixed disc (712) positioned in the transmission cavity (62), the inside of the fixed disc (712) is provided with a buffer cavity (713), the inner wall of the buffer cavity (713) is in transmission connection with a buffer plate (715) through a buffer spring (714), the other side of the buffer plate (715) is connected with a limiting column (716), and the other end of the, the one side that spacing post (716) was kept away from in buffer plate (715) is connected with driving rope (719), the other end of driving rope (719) extend to the inside of driving pipe (701) and with driving ring (708) fixed connection, gear (717) have been cup jointed in the outside activity of fixed disk (712), the inner wall of gear (717) has been seted up to colluding type groove (718), the tip activity of spacing post (716) is pegged graft in the inside to colluding type groove (718), gear (717) and pinion rack (66) meshing.
9. The structural engineering steel bar strength detection device according to claim 2, wherein: the pressing device (8) comprises a fixed box (81), the bottom surface of the fixed box (81) is fixedly connected to the bottom surface of the inner cavity of the driving cavity (69), a rotating pipe (82) is movably inserted into the fixed box (81), the bottom end of the rotating pipe (82) is movably sleeved with the bottom surface of the inner cavity of the driving cavity (69), the top end of the rotating pipe (82) is movably sleeved with the bottom surface of the sealing plate (15), a second spiral spring (83) positioned in the fixed box (81) is movably sleeved outside the rotating pipe (82), one end of the second spiral spring (83) is fixedly connected with the rotating pipe (82), the other end of the second spiral spring (83) is fixedly connected with the inner wall of the fixed box (81), a driven bevel gear (84) positioned above the fixed box (81) is fixedly sleeved outside the rotating pipe (82), the driven bevel gear (84) is meshed with a driving bevel gear (711), and a threaded rod (85) is sleeved on the internal thread of the rotating pipe (82), the top of threaded rod (85) runs through closing plate (15) and extends to the outside of closing plate (15), the bottom of threaded rod (85) extends to the outside and fixedly connected with pressure sensor (86) of entablature (14), the bottom of pressure sensor (86) is connected with U shaped steel (87), the inside fixedly connected with pressure shaft (88) of U shaped steel (87), pressure applying wheel (89) have been cup jointed in the outside activity of pressure shaft (88), the top surface of U shaped steel (87) is connected with telescopic link (80), the other end of telescopic link (80) and the bottom surface fixed connection of entablature (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287670.5A CN110907288A (en) | 2019-12-15 | 2019-12-15 | Building engineering reinforcing bar intensity detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287670.5A CN110907288A (en) | 2019-12-15 | 2019-12-15 | Building engineering reinforcing bar intensity detection device |
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| CN110907288A true CN110907288A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911287670.5A Withdrawn CN110907288A (en) | 2019-12-15 | 2019-12-15 | Building engineering reinforcing bar intensity detection device |
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| CN111442995A (en) * | 2020-05-07 | 2020-07-24 | 吉林省英川科技有限公司 | Pure crooked experimental apparatus of sheet material |
| CN111879622A (en) * | 2020-08-05 | 2020-11-03 | 内蒙古自治区建材产品质量检验院 | Strength detecting instrument of construction reinforcing bar |
| CN112051154A (en) * | 2020-09-15 | 2020-12-08 | 湖北正茂新材料科技股份有限公司 | Prefabricated component bearing performance detection equipment prepared from different raw material mixing ratios |
| CN112470793A (en) * | 2020-11-20 | 2021-03-12 | 德清新田农业科技有限公司 | Uniform humidifying device for seedling raising of melons, fruits and vegetables in fully-closed environment |
| CN113607583A (en) * | 2021-08-03 | 2021-11-05 | 安徽雨润仪表电缆有限公司 | Accurate toper instrument uses detection and processing equipment |
| CN114034588A (en) * | 2022-01-07 | 2022-02-11 | 江苏龙合物联科技有限公司 | Safety inspection device is used in steel pipe production |
| CN116973254A (en) * | 2023-09-25 | 2023-10-31 | 江苏沙钢集团有限公司 | Steel bar strength testing device |
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| CN202362206U (en) * | 2011-11-25 | 2012-08-01 | 苏州热工研究院有限公司 | Three-point bending jig for precrack and fracture toughness test |
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| CN111442995A (en) * | 2020-05-07 | 2020-07-24 | 吉林省英川科技有限公司 | Pure crooked experimental apparatus of sheet material |
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| CN112051154A (en) * | 2020-09-15 | 2020-12-08 | 湖北正茂新材料科技股份有限公司 | Prefabricated component bearing performance detection equipment prepared from different raw material mixing ratios |
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| CN114034588A (en) * | 2022-01-07 | 2022-02-11 | 江苏龙合物联科技有限公司 | Safety inspection device is used in steel pipe production |
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| CN116973254B (en) * | 2023-09-25 | 2023-11-24 | 江苏沙钢集团有限公司 | Steel bar strength testing device |
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Application publication date: 20200324 |