CN219589613U - Device for measuring non-straightness of prestressed steel bar - Google Patents
Device for measuring non-straightness of prestressed steel bar Download PDFInfo
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- CN219589613U CN219589613U CN202320680639.3U CN202320680639U CN219589613U CN 219589613 U CN219589613 U CN 219589613U CN 202320680639 U CN202320680639 U CN 202320680639U CN 219589613 U CN219589613 U CN 219589613U
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- steel bar
- seat
- straightness
- straightness measuring
- prestressed steel
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a prestress steel bar non-straightness measuring device, which relates to the technical field of steel detection, and particularly relates to a prestress steel bar non-straightness measuring device. According to the prestress steel bar non-straightness measuring device, the rectangular wear-resistant contact plate is fixedly connected to the end part of the dial indicator, and when the prestress steel bar is detected, the rectangular wear-resistant contact plate is in tight contact with the outer part of the prestress steel bar, and the influence of external threads of the steel bar can be counteracted due to the fact that the size of the rectangular wear-resistant contact plate is wider, so that the prestress steel bar non-straightness measuring device can detect steel bars with various structures, and the application range is increased.
Description
Technical Field
The utility model relates to the technical field of steel detection, in particular to a device for measuring the non-straightness of a prestressed steel bar.
Background
The prestressed steel refers to various steel materials applied to prestressed tensioning, such as prestressed steel wires, prestressed steel strands, prestressed steel bars and the like, and the prestressed steel materials are stressed for a long time when applied, so that the structure is provided with the advantage of stress state improvement. The prestress steel is not only applied to prestress concrete structures, but also used for prestress steel structures, bridge ropes, heavy load lifting and the like, and the prestress steel bars are widely used in the prestress steel. Such as the application of the prestress steel bar in the high-strength prestress tubular pile.
In order to ensure that the prestress steel rod meets the designed tensile force, when the prestress steel rod is produced, various parameters of the prestress steel rod need to be detected, such as parameters including the size, tensile compression strength, non-straightness and the like of the prestress steel rod, a coaxiality detection device for machining and detecting the PC steel rod is disclosed in patent No. CN202121261266.3, wherein a supporting block for supporting the prestress steel rod is arranged, a motor for driving the prestress steel rod to rotate is arranged, a plurality of groups of dial indicators are arranged, when the prestress steel rod rotates, the position of the prestress steel rod is detected everywhere through the plurality of percentage values, the non-straightness of the prestress steel rod is detected, but the end portions of the dial indicators are directly contacted with the prestress steel rod during detection, the structure can be used for detecting the steel rod of a cylinder, and when the thread steel rod is detected, the external thread of the steel rod is easy to interfere with the percentage heads during rotation, so that detection cannot be realized.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a device for measuring the non-straightness of a prestressed steel bar, which solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a prestressing force bar is straightness measuring device not, includes the mounting substrate, the top of mounting substrate is provided with supporting mechanism, and the prestressing force bar has been placed at supporting mechanism's top, supporting mechanism includes the supporting seat, V-arrangement groove has been seted up at the top of supporting seat, and the inside movable mounting in V-arrangement groove has two sets of image distribution's backing roller, the top of mounting substrate sets up the detection mechanism that can detect prestressing force bar is straightness, detection mechanism is including installation slide, placing seat, percentage table, direction slide rail, the top of mounting substrate sets up and compresses tightly prestressing force bar and drives prestressing force bar pivoted hold-down actuating mechanism.
Preferably, the guide slide rail fixed mounting is in the top of mounting base plate, and the outside movable sleeve of guide slide rail has the installation slide, the top fixed mounting of installation slide has the seat of placing, and the inside of placing the seat has placed the percentage table, fixedly connected with rectangle wear-resisting touch panel on the contact of percentage table.
Preferably, the outside threaded connection of placing the seat has with percentage table complex locking knob, the top threaded connection of installation slide has with direction slide rail complex locking knob.
Preferably, the quantity of compressing tightly actuating mechanism is two sets of, compressing tightly actuating mechanism includes electric telescopic handle, fixedly connected with drive arm on electric telescopic handle's the output shaft, and the one end fixedly connected with link of drive arm, the bottom movable mounting of link has two sets of compressing tightly gyro wheels.
Preferably, a driving motor is fixedly arranged on the side face of any connecting frame, and an output shaft of the driving motor is fixedly connected with any compression roller in the compression driving mechanism.
Preferably, a transmission shaft is arranged between the two groups of compression driving mechanisms, two ends of the transmission shaft are respectively and fixedly connected with compression rollers at corresponding positions in the two groups of compression driving mechanisms, and the transmission shaft and an output shaft of the driving motor are positioned on the same central axis.
Preferably, a control switch is fixedly arranged at the top of the mounting substrate, and the control switch is electrically connected with the electric telescopic rod and the driving motor.
The utility model provides a prestress steel bar non-straightness measuring device, which has the following beneficial effects:
1. this non-straightness measuring device of prestressing force steel bar through the tip fixed connection rectangle wear-resisting touch panel at the percentage table, when detecting, rectangle wear-resisting touch panel and the outside in close contact of prestressing force steel bar, because rectangle wear-resisting touch panel size is wider, can offset the influence of steel bar external screw thread to make the device detect multiple structure steel bar, increase application scope, and through setting up structure such as installation slide, direction slide rail, can adjust the percentage table position, can realize detecting prestressing force steel bar everywhere through a set of percentage table, reduce cost.
2. This non-straightness measuring device of prestressing force steel bar through setting up supporting roller on the supporting seat, reducible and the supporting seat between frictional force when prestressing force steel bar rotates, compresses tightly prestressing force steel bar through two sets of hold-down actuating mechanism simultaneously, has guaranteed the stability when prestressing force steel bar rotates, adopts the hold-down roller of pressing at prestressing force steel bar top to drive prestressing force steel bar simultaneously and rotates, avoids prestressing force steel bar tip unevenness to cause the influence to its rotation, compresses tightly prestressing force steel bar through hold-down actuating mechanism simultaneously when detecting, avoids prestressing force steel bar axis to appear changing, has improved the accuracy of detection.
Drawings
FIG. 1 is a schematic diagram of the overall assembled structure of the present utility model;
FIG. 2 is a schematic diagram of the overall side view of the present utility model;
FIG. 3 is a schematic diagram of the detection mechanism of the present utility model;
FIG. 4 is a schematic view of the structure of the supporting mechanism of the present utility model;
FIG. 5 is a schematic diagram of a connection structure of two sets of pressing driving mechanisms according to the present utility model;
fig. 6 is a schematic structural view of the pressing driving mechanism of the present utility model.
In the figure: 1. a mounting substrate; 2. a support mechanism; 21. a support base; 22. supporting rollers; 3. a prestressed steel bar; 4. a compression driving mechanism; 41. an electric telescopic rod; 42. a transmission arm; 43. a connecting frame; 44. a pressing roller; 45. a driving motor; 46. a transmission shaft; 5. a detection mechanism; 51. installing a sliding seat; 52. a placement seat; 53. a dial indicator; 54. a rectangular wear-resistant touch plate; 55. a locking knob; 56. a guide rail; 6. and controlling the switch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 and 4, the present utility model provides the following technical solutions: the prestress steel bar non-straightness measuring device comprises a mounting substrate 1, a supporting mechanism 2 is arranged at the top of the mounting substrate 1, a prestress steel bar 3 is arranged at the top of the supporting mechanism 2, the supporting mechanism 2 comprises a supporting seat 21, a V-shaped groove is formed at the top of the supporting seat 21, two groups of support rollers 22 distributed by images are movably arranged in the V-shaped groove, the support rollers 22 are arranged on the supporting seat 21, friction force between the prestress steel bar 3 and the supporting seat 21 can be reduced when the prestress steel bar 3 rotates, a detecting mechanism 5 capable of detecting the non-straightness of the prestress steel bar 3 is arranged at the top of the mounting substrate 1, the detecting mechanism 5 comprises a mounting sliding seat 51, a placing seat 52, a dial indicator 53, a guide sliding rail 56 and the like, the position of the dial indicator 53 can be adjusted by arranging the structures of the mounting sliding seat 51, the guide sliding rail 56 and the like, the prestressed steel rod 3 can be detected everywhere through a group of dial indicators 53, the cost is reduced, the top of the installation base plate 1 is provided with the compressing driving mechanism 4 which can compress the prestressed steel rod 3 and drive the prestressed steel rod 3 to rotate, the prestressed steel rod 3 is compressed through the two groups of compressing driving mechanisms 4, the stability of the prestressed steel rod 3 during rotation is guaranteed, meanwhile, the compressing roller 44 which is pressed at the top of the prestressed steel rod 3 is adopted to drive the prestressed steel rod 3 to rotate, the influence of uneven end parts of the prestressed steel rod 3 on the rotation of the prestressed steel rod is avoided, the top of the installation base plate 1 is fixedly provided with the control switch 6, the control switch 6 is electrically connected with the electric telescopic rod 41 and the driving motor 45, the working principle and the using process of the control switch 6 are the same as those of the prior art, and the control switch 6 is guaranteed to control all electric structures.
Referring to fig. 2 and 3, the guide sliding rail 56 is fixedly installed at the top of the installation substrate 1, the installation sliding seat 51 is movably sleeved outside the guide sliding rail 56, the placement seat 52 is fixedly installed at the top of the installation sliding seat 51, the dial indicator 53 is placed inside the placement seat 52, after the dial indicator 53 is installed, the dial indicator 53 can be locked through the locking knob 55 on the side surface of the placement seat 52, the rectangular wear-resistant contact plate 54 is fixedly connected to the contact of the dial indicator 53, and during detection, the rectangular wear-resistant contact plate 54 is tightly contacted with the outer part of the prestress steel rod 3, and the influence of external threads of the steel rod can be counteracted due to the wider size of the rectangular wear-resistant contact plate 54, so that the device can detect steel rods with various structures and has an increased application range.
The outside threaded connection of placing seat 52 has with percentage table 53 complex locking knob 55, the top threaded connection of installation slide 51 has with direction slide rail 56 complex locking knob 55, the locking knob 55 at the top of rotating installation slide 51 can realize locking and releasing installation slide 51, can adjust detection mechanism 5 overall position.
Referring to fig. 2, 5 and 6, the number of the compression driving mechanisms 4 is two, the compression driving mechanisms 4 comprise electric telescopic rods 41, transmission arms 42 are fixedly connected to output shafts of the electric telescopic rods 41, one ends of the transmission arms 42 are fixedly connected with connecting frames 43, two groups of compression rollers 44 are movably mounted at bottoms of the connecting frames 43, when the prestress steel rod 3 is detected, the electric telescopic rods 41 drive the compression rollers 44 to move downwards to compress the prestress steel rod 3, the influence on rotation of the prestress steel rod 3 caused by uneven end parts of the prestress steel rod 3 is avoided, meanwhile, the prestress steel rod 3 is compressed through the compression driving mechanisms 4 during detection, the axial line of the prestress steel rod 3 is prevented from changing, and the detection accuracy is improved.
The side surface of any connecting frame 43 is fixedly provided with a driving motor 45, and the output shaft of the driving motor 45 is fixedly connected with any pressing roller 44 in the pressing driving mechanism 4, and the driving motor 45 provides power to drive a group of pressing rollers 44 in the pressing driving mechanism 4 to rotate so as to drive the prestress steel rod 3 to rotate for detection.
A transmission shaft 46 is arranged between the two groups of compression driving mechanisms 4, two ends of the transmission shaft 46 are fixedly connected with compression rollers 44 at corresponding positions in the two groups of compression driving mechanisms 4 respectively, the transmission shaft 46 and an output shaft of the driving motor 45 are positioned on the same central axis, one end of the transmission shaft 46 is fixedly connected with the compression rollers 44 on the output shaft of the driving motor 45, and the compression rollers 44 at corresponding positions in the two groups of compression driving mechanisms 4 can be driven to rotate through the transmission of the transmission shaft 46, so that the two compression rollers 44 drive the prestress steel bar 3.
In summary, when the prestress steel bar non-straightness measuring device is used, the prestress steel bar 3 to be detected is placed at the top of the supporting roller 22 in the two groups of supporting mechanisms 2, the electric telescopic rod 41 in the two groups of compression driving mechanisms 4 is controlled by the control switch 6 to drive the transmission arm 42, the connecting frame 43 and the compression roller 44 to move downwards, the prestress steel bar 3 is compressed by the compression roller 44, the driving motor 45 is controlled by the control switch 6 to drive the compression roller 44 on the infusion shaft to rotate, the transmission shaft 46 is used for transmission, the compression roller 44 in the other group of compression driving mechanisms 4 is driven to rotate, the prestress steel bar 3 is driven to rotate at a constant speed by the two groups of rotating compression rollers 44, the rectangular wear-resistant contact plate 54 is acted by the elastic structure in the dial gauge 53, the prestress steel bar 3 is subjected to elasticity, the deflection value of the gauge needle on the dial of the dial gauge 53 is used for detecting the non-straightness of the prestress steel bar 3, the limit of the installation sliding seat 51 is relieved by rotating the locking knob 55 at the top of the installation sliding seat 51, the position of the gauge 53 is adjusted, and the prestress steel bar 3 is detected.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prestressing force bar steel is straightness measuring device not, includes mounting substrate (1), the top of mounting substrate (1) is provided with supporting mechanism (2), and prestressing force bar steel (3), its characterized in that have been placed at the top of supporting mechanism (2): supporting mechanism (2) are including supporting seat (21), V-arrangement groove has been seted up at the top of supporting seat (21), and the inside movable mounting in V-arrangement groove has two sets of mirror image distributed's backing roller (22), the top of mounting substrate (1) sets up detection mechanism (5) that can detect prestressing force bar (3) straightness that does not, detection mechanism (5) are including installation slide (51), place seat (52), percentage table (53), direction slide rail (56), the top of mounting substrate (1) sets up can compress tightly prestressing force bar (3) and drive prestressing force bar (3) pivoted hold-down actuating mechanism (4).
2. The prestressed steel bar non-straightness measuring apparatus according to claim 1, wherein: the guide sliding rail (56) is fixedly arranged at the top of the installation substrate (1), the installation sliding seat (51) is movably sleeved outside the guide sliding rail (56), the placement seat (52) is fixedly arranged at the top of the installation sliding seat (51), the dial indicator (53) is placed in the placement seat (52), and the rectangular wear-resistant contact plate (54) is fixedly connected to the contact of the dial indicator (53).
3. The prestressed steel bar non-straightness measuring apparatus according to claim 2, wherein: the external thread of placing seat (52) is connected with locking knob (55) with percentage table (53) complex, the top thread connection of installation slide (51) has locking knob (55) with guide slide rail (56) complex.
4. The prestressed steel bar non-straightness measuring apparatus according to claim 1, wherein: the number of the compression driving mechanisms (4) is two, the compression driving mechanisms (4) comprise electric telescopic rods (41), transmission arms (42) are fixedly connected to output shafts of the electric telescopic rods (41), connecting frames (43) are fixedly connected to one ends of the transmission arms (42), and two groups of compression rollers (44) are movably mounted at the bottoms of the connecting frames (43).
5. The prestressed steel bar non-straightness measuring apparatus according to claim 4, wherein: the side surface of any connecting frame (43) is fixedly provided with a driving motor (45), and an output shaft of the driving motor (45) is fixedly connected with any pressing roller (44) in the pressing driving mechanism (4).
6. The prestressed steel bar non-straightness measuring apparatus according to claim 5, wherein: a transmission shaft (46) is arranged between the two groups of compression driving mechanisms (4), two ends of the transmission shaft (46) are fixedly connected with compression rollers (44) at corresponding positions in the two groups of compression driving mechanisms (4) respectively, and the transmission shaft (46) and an output shaft of a driving motor (45) are positioned on the same central axis.
7. The prestressed steel bar non-straightness measuring apparatus according to claim 6, wherein: the top of the mounting substrate (1) is fixedly provided with a control switch (6), and the control switch (6) is electrically connected with the electric telescopic rod (41) and the driving motor (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320680639.3U CN219589613U (en) | 2023-03-31 | 2023-03-31 | Device for measuring non-straightness of prestressed steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320680639.3U CN219589613U (en) | 2023-03-31 | 2023-03-31 | Device for measuring non-straightness of prestressed steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589613U true CN219589613U (en) | 2023-08-25 |
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ID=87686951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320680639.3U Active CN219589613U (en) | 2023-03-31 | 2023-03-31 | Device for measuring non-straightness of prestressed steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589613U (en) |
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2023
- 2023-03-31 CN CN202320680639.3U patent/CN219589613U/en active Active
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