CN116625846B - Construction steel bar bending performance detection equipment - Google Patents
Construction steel bar bending performance detection equipment Download PDFInfo
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- CN116625846B CN116625846B CN202310655485.7A CN202310655485A CN116625846B CN 116625846 B CN116625846 B CN 116625846B CN 202310655485 A CN202310655485 A CN 202310655485A CN 116625846 B CN116625846 B CN 116625846B
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- detection
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 106
- 239000010959 steel Substances 0.000 title claims abstract description 106
- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 238000005452 bending Methods 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000004567 concrete Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the field of steel bar detection equipment, in particular to equipment for detecting bending performance of building steel bars, which comprises a base, wherein the left end and the right end of the upper part of the base are respectively provided with a rotating part for rotating the steel bars, and the middle part of the base is provided with a detection part for applying detection force to the whole steel bars; and the bending detection can be carried out on a section of reinforcing steel bars with different lengths by adjusting the distance between the two rotating frames, so that the detection function is more abundant; according to the invention, the rotating part is adopted to drive the steel bar to rotate while moving rightwards, so that detection forces in different directions can be applied to the steel bar, the steel bar can be bent towards different directions, the bending resistance of the steel bar in different directions can be detected, and the detection result is more accurate.
Description
Technical Field
The invention relates to the field of steel bar detection equipment, in particular to equipment for detecting bending performance of a building steel bar.
Background
The steel bar is one of the building steel materials and is mainly used in reinforced concrete structures. In order to enhance the strength of the reinforcing steel bar, a screw-shaped reinforcing steel bar is generally provided on the outer side of the reinforcing steel bar. Compared with concrete, the reinforced steel bar has stronger bending resistance, so that stiffening materials such as the reinforced steel bar and the like are usually added into the concrete to work together with the reinforced steel bar, thereby improving the overall strength. Therefore, in order to ensure the overall strength of reinforced concrete, it is generally necessary to detect the bending resistance of the reinforcing steel bars.
When the bending resistance of the steel bar is detected, a steel bar bending tester is usually used for detection, but the existing detection equipment is large in size and cannot be driven to a construction site at will for detection. Aiming at the problem, the Chinese patent with the bulletin number of CN113504129B discloses a steel bar bending test device, wherein the bending acting force of the steel bar to be tested can be obtained by observing the deformation distance d of a high-strength titanium alloy spring after the steel bar to be tested is bent to a preset angle, and the quality of the steel bar to be tested can be judged by the bending acting force of the steel bar to be tested and the appearance of the steel bar after bending; and the volume is small, the weight is light, and the carrying is convenient.
However, the above patent cannot automatically detect the positions of the steel bars, so that the detection result is more one-sided; in the detection process, detection force in one direction can be applied to the steel bar, so that the steel bar can be bent in one direction, the bending resistance in other directions of the steel bar can not be detected, and the detection result is inaccurate. In addition, the existing equipment can only detect the position of a section of fixed length of the reinforcing steel bar, and can not flexibly adjust the detection range of the reinforcing steel bar, so that the detection function is single.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a building reinforcing bar performance test equipment of bending, includes the base, and both ends all are provided with the rotating member that carries out pivoted to the reinforcing bar about base upper portion, and the middle part of base is provided with the detecting element who applys the detection force to the whole of reinforcing bar.
The detection part comprises two sliding frames which are symmetrically arranged on the upper side of the middle of the base in a sliding mode, a driving wheel which pushes the reinforcing steel bars to move left and right is rotatably arranged in the middle of the sliding frames, a displacement detector is arranged on the upper side of the center of the base, and a force application hydraulic cylinder is arranged on the upper portion of the base.
The rotating component comprises length adjusting rods arranged at the left end and the right end of the base, sleeves are arranged on the upper portions of the length adjusting rods, rotating frames are arranged inside the sleeves in a rotating mode, roller frames are arranged inside the rotating frames at equal intervals along the circumferential surfaces of the rotating frames in a sliding mode in the radial direction of the rotating frames, rollers are arranged at one ends, close to the centers of the rotating frames, of the roller frames in a rotating mode, and clamping pieces are arranged outside the rollers in a rotating mode at equal intervals along the circumferential surfaces of the rollers.
During actual detection, the steel bar is inserted between the rollers at the left end, sequentially passes through the upper side of the left driving wheel, the upper side of the displacement detector and the upper side of the right driving wheel to the rollers at the right end, then the distance between the two rotating racks is adjusted, so that the bending area of the steel bar is adjusted, the piston end of the force application hydraulic cylinder stretches out to push the steel bar downwards, thereby applying detection force to the steel bar, then the driving wheel and the rotating racks are rotated to drive the steel bar to move rightwards and rotate, so that the force application hydraulic cylinder applies force to each section of position on the steel bar, simultaneously applies detection force in different directions to the steel bar, and the position of the force application point of the steel bar is detected through the displacement detector, so that the bending resistance of the steel bar is obtained.
As a preferable technical scheme of the invention, the upper part of the base is rotatably provided with a double-threaded rod which is inserted into the lower parts of the two sliding frames and is respectively in threaded fit with the lower parts of the two sliding frames.
As a preferable technical scheme of the invention, the upper part of the sliding frame is provided with the driven frame in a vertical sliding way, the lower part of the driven frame is provided with the driven wheel in a rotating way, the upper part of the sliding frame is provided with the locking threaded rod in a rotating way, and the locking threaded rod is inserted into the upper part of the driven frame and is in threaded fit with the driven frame.
As a preferable technical scheme of the invention, a driven bevel gear is arranged on the front side of the driving wheel, a driving bevel gear is rotatably arranged on the right side of the front part of the sliding frame, the driving bevel gear is meshed with the driven bevel gear, a connecting sleeve is rotatably arranged on the lower side of the front part of the sliding frame, the connecting sleeve is connected with the driving bevel gear through a belt, a transmission shaft is rotatably arranged on the front side of the upper part of the base, the connecting sleeve is slidably sleeved on the outer side of the transmission shaft and synchronously rotates with the transmission shaft through a key, an executing motor is arranged on the front side of the base, an output shaft of the executing motor is connected with the transmission shaft through a belt, driving gears are respectively arranged at the left end and the right end of the transmission shaft, driven gears are respectively arranged on the outer side of the right part of the rotating frame, and the driven gears are respectively meshed with the driving gears at corresponding positions.
As a preferable technical scheme of the invention, the outer side of the rotating frame is provided with a tightening threaded rod in a rotating way corresponding to the position of the roller frame, a tightening bevel gear is arranged in the middle of the tightening threaded rod, one side of the tightening threaded rod, which is far away from the center of the rotating frame, is inserted into the roller frame and is in threaded fit with the roller frame, a rotating bevel gear is sleeved at the left end of the rotating frame in a rotating way, and the rotating bevel gears are respectively meshed with the tightening bevel gear.
As a preferable technical scheme of the invention, the clamping piece comprises a clamping sleeve rotatably arranged in the roller, clamping piece springs are arranged between two ends of the clamping sleeve and the roller, a clamping plate is arranged in the clamping sleeve in a sliding manner along the radial direction of the roller, and an extending spring is arranged between the clamping plate and the clamping sleeve.
As a preferable technical scheme of the invention, the upper end of the displacement detector is rotatably provided with a detection wheel, and the lower end of the force application hydraulic cylinder is rotatably provided with a force application wheel.
The invention has the beneficial effects that:
1. according to the invention, the driving wheel is adopted to drive the steel bar to move rightwards, and meanwhile, the force application hydraulic cylinder is used for applying detection force to the steel bar, so that the positions of the steel bar can be detected, and the comprehensiveness of detection is ensured; and through adjusting the distance between two rotating frames, can carry out crooked detection to the one section reinforcing bar of different length for detect the function more abundantly.
2. According to the invention, the rotating part is adopted to drive the steel bar to rotate while moving rightwards, so that detection forces in different directions can be applied to the steel bar, the steel bar can be bent towards different directions, the bending resistance of the steel bar in different directions can be detected, and the detection result is more accurate.
3. According to the invention, the driven wheel is driven by the locking threaded rod to compress the steel bars, so that the steel bar parts positioned at the outer sides of the two sliding frames cannot be bent, and therefore, the steel bar segments with fixed lengths are always detected, and the detection accuracy is further ensured.
4. The clamping piece which is elastically and rotatably arranged can be adaptively clamped at one side of the spiral rib of the steel bar, so that the steel bar with different pitches can be driven to rotate; and the elastic telescopic clamping plate can automatically stretch out and attach to the outer side of the steel bar, so that the spiral bar of the steel bar is clamped and driven to rotate.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a semi-sectional view of the base and sensing element of the present invention.
Fig. 3 is a schematic view of the structure of the detecting unit according to the present invention after the length adjusting lever and the sleeve are removed.
Fig. 4 is a partial enlarged view at a in fig. 3.
Fig. 5 is a semi-sectional view of a clip according to the present invention.
In the figure: 1. a base; 2. a rotating member; 3. a detection section; 11. executing a motor; 21. a length adjusting rod; 22. a sleeve; 23. a rotating frame; 24. a roller frame; 25. a roller; 26. a clamping piece; 27. a drive gear; 28. a driven gear; 31. a carriage; 32. a driving wheel; 33. a displacement detector; 34. a force-applying hydraulic cylinder; 35. a double threaded rod; 36. a drive bevel gear; 37. connecting sleeves; 38. a transmission shaft; 231. abutting against the threaded rod; 232. abutting against the bevel gear; 233. rotating the bevel gear; 261. a cutting sleeve; 262. a clamping plate; 311. a driven frame; 312. driven wheel; 313. locking a threaded rod; 321. driven bevel gears.
Detailed Description
Embodiments of the present invention are described in detail below. The following examples are illustrative only and are not to be construed as limiting the invention. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product.
Referring to fig. 1, a bending performance detection device for construction steel bars comprises a base 1, wherein a rotating part 2 for rotating the steel bars is arranged at the left end and the right end of the upper part of the base 1, and a detection part 3 for applying detection force to the whole steel bars is arranged in the middle of the base 1; during actual operation, firstly, the steel bars sequentially penetrate into the rotating part 2 and the detecting part 3, then detection is started, the detecting part 3 moves the steel bars rightwards, and meanwhile, the rotating part 2 rotates the steel bars, so that detection of all directions is carried out on all positions of the steel bars.
Referring to fig. 1 and 2, the detecting unit 3 includes two sliding frames 31 symmetrically sliding on the upper side of the middle of the base 1, a driving wheel 32 for pushing the steel bar to move left and right is rotatably disposed in the middle of the sliding frame 31, a displacement detector 33 is disposed on the upper side of the central position of the base 1, and a force application hydraulic cylinder 34 is disposed on the upper portion of the base 1; when detection is needed, the two sliding frames 31 are adjusted to proper positions, then the steel bars are placed on the upper sides of the two driving wheels 32, the extending force application hydraulic cylinders 34 are pressed on the upper parts of the steel bars, detection force is applied to the steel bars, bending displacement after the steel bars are pressed is recorded through the displacement detector 33 to judge the bending resistance of the steel bars, and when the driving wheels 32 are rotated to drive the steel bars to move rightwards, the positions of all sections of the steel bars are comprehensively detected.
With continued reference to fig. 1 and 2, the upper portion of the base 1 is rotatably provided with a double-threaded rod 35, and the double-threaded rod 35 is inserted in the lower portions of the two sliding frames 31 and is respectively in threaded fit with the lower portions of the two sliding frames; the double-threaded rod 35 is rotated, and the double-threaded rod 35 drives the two sliding frames 31 to be far away from or close to each other through threaded fit with the sliding frames 31, so that the length of the forced section of the reinforcing steel bar is adjusted, and the reinforcing steel bar can be detected more flexibly.
With continued reference to fig. 1 and 2, a driven frame 311 is slidably disposed on the upper portion of the sliding frame 31, a driven wheel 312 is rotatably disposed on the lower portion of the driven frame 311, a locking threaded rod 313 is rotatably disposed on the upper portion of the sliding frame 31, and the locking threaded rod 313 is inserted in the upper portion of the driven frame 311 and is in threaded engagement with the driven frame 311; when the steel bars are inserted into the sliding frames 31, the locking threaded rod 313 is rotated to drive the driven frame 311 to move downwards, so that the driven frame 311 drives the driven wheel 312 to move downwards until the driven wheel 312 is pressed on the upper part of the steel bars, and the force application hydraulic cylinder 34 can only apply force to the part of the steel bars between the two sliding frames 31 to bend, thereby ensuring that the fixed length of the steel bars is detected.
Referring to fig. 1, 3 and 4, the rotating member 2 includes a length adjusting rod 21 mounted at the left and right ends of the base 1, a sleeve 22 is mounted at the upper part of the length adjusting rod 21, a rotating frame 23 is rotatably disposed in the sleeve 22, roller frames 24 are disposed in the rotating frame 23 at equal intervals along the circumferential surface thereof, the roller frames 24 are slidably disposed along the radial direction of the rotating frame 23, a roller 25 is rotatably disposed at one end of the roller frames 24 near the center of the rotating frame 23, and a clamping member 26 is rotatably disposed at the outer side of the roller 25 at equal intervals along the circumferential surface thereof; when the bending test is required to be performed on the reinforcing steel bars inserted into the rotating part 2, the roller frame 24 is moved to drive the roller 25 to abut against the outer side of the reinforcing steel bars, the length of the length adjusting rod 21 is locked, so that the positions of the reinforcing steel bars are locked, the clamping pieces 26 can be attached to the side surfaces of the threaded reinforcing steel bars of the reinforcing steel bars, and then the rotating frame 23 drives the reinforcing steel bars to rotate through the clamping pieces 26, so that detection forces are applied to the reinforcing steel bars in different directions.
Referring to fig. 1 and 3, the outer side of the rotating frame 23 is rotatably provided with a tightening threaded rod 231 corresponding to the position of the roller frame 24, a tightening bevel gear 232 is mounted in the middle of the tightening threaded rod 231, one side of the tightening threaded rod 231 away from the center of the rotating frame 23 is inserted into the roller frame 24 and is in threaded fit with the roller frame 24, a rotating bevel gear 233 is rotatably sleeved at the left end of the rotating frame 23, and the rotating bevel gears 233 are respectively meshed with the tightening bevel gear 232; when the steel bar is inserted into the rotating part 2, the rotating bevel gear 233 drives the abutting bevel gear 232 to rotate, the abutting bevel gear 232 drives the abutting threaded rod 231 to synchronously rotate, and the abutting threaded rod 231 pushes the roller frame 24 to move towards the outer side of the steel bar along the radial direction of the rotating frame 23, so that the roller frame 24 drives the roller 25 to abut against the outer side of the steel bar, and the steel bar is conveniently driven to rotate.
Referring to fig. 3 and 4, the clamping member 26 includes a clamping sleeve 261 rotatably disposed inside the roller 25, a clamping member spring is disposed between two ends of the clamping sleeve 261 and the roller 25, a clamping plate 262 is disposed inside the clamping sleeve 261 along the radial sliding of the roller 25, and an extension spring is disposed between the clamping plate 262 and the clamping sleeve 261; when roller 25 supports tightly in the outside of reinforcing bar, cardboard 262 exports to inserting between the screw thread muscle of reinforcing bar under the effect of stretching out spring elasticity, and fastener spring promotes the cutting ferrule 261 rotation for the side of cardboard 262 is in the same place with the laminating of the side of reinforcing bar screw thread muscle, thereby can the different screw pitch of self-adaptation drive reinforcing bar rotates.
Specifically, when the steel bar needs to be detected, the steel bar is inserted between the rollers 25 at the left end, the upper side of the left driving wheel 32, the upper side of the displacement detector 33, and the rollers 25 at the upper side to the right end of the right driving wheel 32 in sequence, then the double threaded rod 35 is rotated, the double threaded rod 35 drives the two sliding frames 31 to move to a proper position through the threaded fit with the sliding frames 31, then the steel bar is inserted to the upper sides of the two driving wheels 32, then the locking threaded rod 313 is rotated to drive the driven frame 311 to move downwards, so that the driven frame 311 drives the driven frame 312 to move downwards to press the upper part of the steel bar, then the rotating bevel gear 233 is rotated to drive the roller frame 24 to move outwards along the radial direction of the rotating frame 23, so that the roller frame 24 drives the roller 25 to abut against the outer side of the steel bar, the clamping piece 26 is clamped at the side of the steel bar thread bar, the length adjusting rod 21 is locked, the position of the steel bar is locked, the force applying hydraulic cylinder 34 is stretched out to press the upper part of the steel bar, and a detection force is applied to the steel bar.
Referring to fig. 1-3, a driven bevel gear 321 is mounted on the front side of the driving wheel 32, a driving bevel gear 36 is rotatably disposed on the right side of the front portion of the sliding frame 31, the driving bevel gear 36 is meshed with the driven bevel gear 321, a connecting sleeve 37 is rotatably disposed on the lower side of the front portion of the sliding frame 31, the connecting sleeve 37 is connected with the driving bevel gear 36 through a belt, a transmission shaft 38 is rotatably disposed on the front side of the upper portion of the base 1, the connecting sleeve 37 is slidably sleeved on the outer side of the transmission shaft 38 and rotates synchronously with the transmission shaft 38 through a key, an executing motor 11 is mounted on the front side of the base 1, an output shaft of the executing motor 11 is connected with the transmission shaft 38 through a belt, driving gears 27 are respectively mounted on the left end and the right end of the transmission shaft 38, a driven gear 28 is mounted on the outer side of the right portion of the rotating frame 23, and the driven gears 28 are respectively meshed with the driving gears 27 at corresponding positions; after the steel bar is placed, the execution motor 11 is started, the execution motor 11 drives the transmission shaft 38 to rotate through a belt, the transmission shaft 38 drives the connecting sleeves 37 at two side positions to synchronously rotate, the connecting sleeves 37 drive the driving bevel gears 36 to rotate through the belt, the driving bevel gears 36 drive the driven bevel gears 321 to rotate, the driven bevel gears 321 drive the driving gears 32 to rotate, the driving gears 32 drive the steel bar to move rightwards during rotation, meanwhile, the transmission shaft 38 drives the driving gears 27 to rotate, the driving gears 27 drive the driven gears 28 to rotate, the driven gears 28 drive the rotating frame 23 to rotate, and the rotating frame 23 drives the steel bar to rotate through the clamping pieces 26.
Referring to fig. 1 and 2, the upper end of the displacement detector 33 is rotatably provided with a detection wheel, and the lower end of the force application hydraulic cylinder 34 is rotatably provided with a force application wheel; the force application hydraulic cylinder 34 applies a detection force to the moving reinforcing steel bar through the force application wheel, the reinforcing steel bar bends downwards after being stressed, and the displacement detector 33 judges the overall bending resistance of the reinforcing steel bar through recording the bending displacement of the reinforcing steel bar through the detection wheel.
Specifically, after the steel bar is placed, the execution motor 11 is started to drive the driving wheels 32 at two side positions to rotate, the driving wheels 32 drive the steel bar to move rightwards, meanwhile, the execution motor 11 drives the steel bar to rotate, so that the force application hydraulic cylinder 34 can apply detection forces in different directions to different positions of the steel bar, and then the bending displacement of the steel bar after being pressed is recorded through the displacement detector 33 to judge the bending resistance of the steel bar.
While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention, which is also intended to be covered by the present invention.
Claims (5)
1. The equipment for detecting the bending performance of the building reinforcing steel bar comprises a base (1) and is characterized in that rotating parts (2) for rotating the reinforcing steel bar are arranged at the left end and the right end of the upper part of the base (1), and a detecting part (3) for applying detecting force to the whole reinforcing steel bar is arranged in the middle of the base (1);
the detection component (3) comprises two sliding frames (31) which are symmetrically arranged on the upper side of the middle of the base (1) in a sliding mode, a driving wheel (32) which pushes the reinforcing steel bars to move left and right is rotatably arranged in the middle of the sliding frames (31), a displacement detector (33) is arranged on the upper side of the center of the base (1), and a force application hydraulic cylinder (34) is arranged on the upper portion of the base (1);
the rotating component (2) comprises length adjusting rods (21) arranged at the left end and the right end of the base (1), sleeves (22) are arranged on the upper parts of the length adjusting rods (21), rotating frames (23) are arranged in the sleeves (22) in a rotating mode, roller frames (24) are arranged in the rotating frames (23) at equal intervals along the circumferential surfaces of the rotating frames, the roller frames (24) are arranged in a sliding mode along the radial directions of the rotating frames (23), rollers (25) are arranged at one ends, close to the centers of the rotating frames (23), of the roller frames (24) in a rotating mode, and clamping pieces (26) are arranged at the outer sides of the rollers (25) in a rotating mode at equal intervals along the circumferential surfaces of the rollers;
the outer sides of the rotating frames (23) are respectively provided with a tight supporting threaded rod (231) in a rotating manner corresponding to the positions of the roller frames (24), a tight supporting bevel gear (232) is arranged in the middle of the tight supporting threaded rod (231), one side, far away from the center of the rotating frames (23), of the tight supporting threaded rod (231) is inserted into the roller frames (24) and is in threaded fit with the roller frames, a rotating bevel gear (233) is sleeved at the left end of each rotating frame (23) in a rotating manner, and the rotating bevel gears (233) are meshed with the tight supporting bevel gears (232) respectively;
the upper part of the sliding frame (31) is provided with a driven frame (311) in a vertical sliding way, the lower part of the driven frame (311) is provided with a driven wheel (312) in a rotating way, the upper part of the sliding frame (31) is provided with a locking threaded rod (313) in a rotating way, and the locking threaded rod (313) is inserted into the upper part of the driven frame (311) and is in threaded fit with the driven frame;
during actual detection, the steel bar is inserted between the rollers (25) at the left end, sequentially passes through the upper side of the left driving wheel (32), the upper side of the displacement detector (33) and between the rollers (25) at the upper side to the right end of the right driving wheel (32), and then the distance between the two rotating racks (23) is adjusted, so that the bending area of the steel bar is adjusted, then the piston end of the force application hydraulic cylinder (34) stretches out to push the steel bar downwards, so that detection force is applied to the steel bar, then the driving wheel (32) and the rotating racks (23) are rotated simultaneously to drive the steel bar to move rightwards and rotate, so that the force application hydraulic cylinder (34) applies force to each section of position on the steel bar, detection force in different directions is applied to the steel bar, and the position of the force application point of the steel bar is detected through the displacement detector (33), so that the bending resistance of the steel bar is obtained.
2. The equipment for detecting bending performance of construction steel bars according to claim 1, wherein the upper portion of the base (1) is rotatably provided with a double threaded rod (35), and the double threaded rod (35) is inserted in the lower portions of the two sliding frames (31) and is respectively in threaded fit with the lower portions of the two sliding frames.
3. The construction steel bar bending performance detection device according to claim 1, wherein a driven bevel gear (321) is mounted on the front side of the driving wheel (32), a driving bevel gear (36) is rotatably arranged on the right side of the front portion of the sliding frame (31), the driving bevel gear (36) is meshed with the driven bevel gear (321), a connecting sleeve (37) is rotatably arranged on the lower front side of the sliding frame (31), the connecting sleeve (37) is connected with the driving bevel gear (36) through a belt, a transmission shaft (38) is rotatably arranged on the front side of the upper portion of the base (1), the connecting sleeve (37) is slidably sleeved on the outer side of the transmission shaft (38) and synchronously rotates with the transmission shaft (38) through a key, an actuating motor (11) is mounted on the front side of the base (1), an output shaft of the actuating motor (11) is connected with the transmission shaft (38) through a belt, driving gears (27) are mounted on the left end and the right end of the transmission shaft (38), driven gears (28) are mounted on the outer side of the right portion of the rotating frame (23), and the driven gears (28) are meshed with the driving gears (27) at corresponding positions respectively.
4. The construction steel bar bending performance detection device according to claim 1, wherein the clamping piece (26) comprises a clamping sleeve (261) rotatably arranged inside the roller (25), clamping piece springs are arranged between two ends of the clamping sleeve (261) and the roller (25), clamping plates (262) are arranged inside the clamping sleeve (261) in a sliding manner along the radial direction of the roller (25), and extension springs are arranged between the clamping plates (262) and the clamping sleeve (261).
5. The construction steel bar bending performance detection device according to claim 1, wherein the upper end of the displacement detector (33) is rotatably provided with a detection wheel, and the lower end of the force application hydraulic cylinder (34) is rotatably provided with a force application wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310655485.7A CN116625846B (en) | 2023-06-01 | 2023-06-01 | Construction steel bar bending performance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310655485.7A CN116625846B (en) | 2023-06-01 | 2023-06-01 | Construction steel bar bending performance detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116625846A CN116625846A (en) | 2023-08-22 |
| CN116625846B true CN116625846B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310655485.7A Active CN116625846B (en) | 2023-06-01 | 2023-06-01 | Construction steel bar bending performance detection equipment |
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| CN (1) | CN116625846B (en) |
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