Special lens inclination structure for deformed steel bar measurement
By designing a lens tilting structure specifically for measuring threaded steel, and using a worm gear and turbine transmission system to adjust the lens angle, the problem of transverse rib obstruction in the measurement of the inner diameter of threaded steel was solved, achieving high-precision measurement results.
Patent Information
- Application Number
- CN202423208662.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing technologies cannot accurately avoid the obstruction of transverse ribs in the measurement of rebar, resulting in deviations in the inner diameter measurement. The traditional vertical measurement optical path cannot be measured correctly because it is blocked by the transverse ribs, and the lens cannot accurately illuminate the exact middle of the two transverse ribs of the rebar.
A lens tilting structure specifically designed for measuring threaded steel bars is presented, comprising a measuring frame assembly and a measuring assembly. The lens tilting angle is adjusted using a worm gear and turbine transmission system, and the threaded steel bars are fixed by a limit ring and positioning bolts to ensure that the lens is aligned with the center of the transverse rib, thereby improving measurement accuracy.
It improves the accuracy of measuring the inner diameter of threaded steel bars, reduces measurement deviation, and enhances the accuracy and convenience of measurement.
Smart Images
Figure CN223500357U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of threaded steel measurement, and more specifically, to a lens tilting structure specifically for threaded steel measurement. Background Technology
[0002] In the rolling of rebar, precise control of weight per meter is crucial for enterprises. According to national standards, a negative deviation within a certain range is acceptable for weight per meter. Therefore, it is necessary to measure the external dimensions of the rebar in real time to adjust the rolling process. The weight of rebar is composed of the inner diameter circle, longitudinal ribs, and transverse ribs, with the inner diameter circle accounting for over 85% of the weight. Therefore, accurate measurement of the inner diameter is extremely important.
[0003] However, due to the special structure of rebar, the transverse ribs inevitably block the measuring light, causing significant deviations in the inner diameter measurement. Furthermore, the traditional vertical measuring optical path is easily obstructed by the transverse ribs, leading to inaccurate measurements. Most tests on rebar employ tilted measurements, requiring the inner diameter to avoid obstruction by the transverse ribs. However, the transverse ribs of rebar are quite dense. Measuring the middle of two transverse ribs is the most accurate method, but adjusting this is cumbersome and makes it difficult to precisely position the measuring lens between the two transverse ribs. Therefore, inventing a dedicated tilting lens structure for rebar measurement to improve these problems has become a pressing issue for those skilled in the art. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a lens tilting structure specifically for measuring threaded steel bars, aiming to improve the problem that it is not easy to accurately illuminate the middle of the two transverse ribs of the threaded steel bar when measuring its inner diameter.
[0005] This utility model is implemented as follows: a lens tilting structure specifically for measuring threaded steel bars, including the threaded steel bar body to be measured, and also including...
[0006] A measuring mechanism includes a measuring frame assembly and a measuring component. The measuring frame assembly includes a mounting frame, an upper mounting frame, and a lower mounting frame. The upper mounting frame and the lower mounting frame are limited and driven to be mounted on the upper and lower sides of the mounting frame. The measuring component includes a lower mounting plate and an upper mounting plate. The lower mounting plate and the upper mounting plate are respectively inclinedly mounted on one side of the lower mounting frame and the upper mounting frame. A transmitting lens and a receiving lens are respectively mounted on one side of the upper mounting frame and the lower mounting frame.
[0007] In a preferred embodiment of this utility model, the measuring frame assembly further includes a worm gear and a turbine. The worm gear is rotatably mounted inside the upper and lower mounting frames, respectively. The turbine is rotatably mounted above the upper mounting frame and at the bottom of the lower mounting frame, respectively. The turbine meshes with the worm gear. A lead screw is fixedly connected to one side of the turbine. The lead screw rotatably passes through the side walls of the upper and lower mounting frames, respectively. A transmission plate is driven onto the lead screw.
[0008] In a preferred embodiment of this utility model, limit rods are fixedly connected to both sides of the upper mounting frame and the lower mounting frame near the transmission plate, and the limit rods slide through the transmission plate respectively.
[0009] In a preferred embodiment of this utility model, a rod is fixedly connected to one end of the worm gear, and the rod, which is limited to rotate, passes through one side of the upper mounting frame and the lower mounting frame. Handwheels are fixedly installed on the rods on one side of the upper mounting frame and the lower mounting frame, respectively.
[0010] In a preferred embodiment of this utility model, the mounting bracket is arranged in an L-shape with the top fixedly mounted on it, and the upper mounting frame and the lower mounting frame are respectively fixedly mounted on the upper and lower sides of the plate.
[0011] In a preferred embodiment of this utility model, both the lower mounting plate and the upper mounting plate are inclined, and the included angle between the lower mounting plate, the upper mounting plate and the transmission plate is between 25° and 30°.
[0012] In a preferred embodiment of this utility model, limiting rings are fixedly connected to the lower mounting plate and the upper mounting plate respectively. The limiting rings are fixedly installed at both ends of one side of the lower mounting plate and the upper mounting plate respectively, and the receiving lens and the transmitting lens are respectively limited and engaged within the limiting rings.
[0013] In a preferred embodiment of this utility model, a positioning bolt is threaded through the outer side of the limiting ring, and the bottom of the positioning bolt abuts against the receiving lens and the transmitting lens respectively.
[0014] In a preferred embodiment of this utility model, a threaded steel positioning assembly is installed on the top plate of the mounting frame. The threaded steel positioning assembly includes a limiting plate, which is fixedly installed on both sides of the middle part of the top plate of the mounting frame. The limiting plates are symmetrically provided with arc-shaped grooves on the side of the limiting plates that are close to each other.
[0015] In a preferred embodiment of this utility model, a positioning frame is fixedly connected to the end of the top plate of the mounting bracket, and a limit bolt is threaded through the top of the positioning frame. The threaded steel body is placed between the two limit plates, and the bottom of the limit bolt is correspondingly arranged with the threaded steel body.
[0016] The beneficial effects of this utility model are as follows: This utility model provides a tilting lens structure specifically for measuring threaded steel bars. During use, by tightening the limiting bolt, the bottom of the limiting bolt abuts against the threaded steel bar body, preventing the threaded steel bar body from shaking during operation and ensuring accurate alignment of the receiving and transmitting lenses. After adjusting the threaded steel bar body, adjust the lower mounting plate on the transmitting lens side. By tightening the handwheel, the worm gear drives the lower mounting frame to rotate slowly, aligning the transmitting lens with the center of the two transverse ribs of the threaded steel bar body. After adjustment, adjust the upper mounting plate on the receiving lens side to align the receiving and transmitting lenses, enabling accurate measurement of the inner diameter of the threaded steel bar body. This facilitates positioning of the threaded steel bar body and ensures greater precision during adjustment, preventing deviations caused by shaking and improving measurement accuracy. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of one side of the structure provided by an embodiment of the present invention;
[0019] Figure 2 This is a schematic diagram of another side of the structure provided for an embodiment of the present invention;
[0020] Figure 3 A schematic diagram of the measuring frame assembly structure provided for an embodiment of this utility model;
[0021] Figure 4 A schematic diagram of the measurement component structure provided for an embodiment of this utility model.
[0022] In the diagram: 110-Threaded steel body; 200-Measuring mechanism; 210-Measuring frame assembly; 211-Mounting frame; 212-Upper mounting frame; 213-Lower mounting frame; 214-Worm gear; 215-Turbine gear; 216-Screw rod; 217-Transmission plate; 218-Limit rod; 219-Handwheel; 220-Measuring assembly; 221-Lower mounting plate; 222-Upper mounting plate; 223-Receiving lens; 224-Transmitting lens; 225-Limiting ring; 226-Positioning bolt; 230-Threaded steel positioning assembly; 231-Positioning frame; 232-Limiting bolt; 233-Limiting plate. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0024] Please see Figure 1 and Figure 2 This utility model provides a technical solution: a lens tilting structure specifically for measuring threaded steel bars, including the threaded steel bar body 110 to be measured, and also including...
[0025] The measuring mechanism 200 includes a measuring frame assembly 210 and a measuring component 220. The measuring frame assembly 210 includes a mounting frame 211, an upper mounting frame 212, and a lower mounting frame 213. The upper mounting frame 212 and the lower mounting frame 213 are limited and driven to be mounted on the upper and lower sides of the mounting frame 211. The measuring component 220 includes a lower mounting plate 221 and an upper mounting plate 222. The lower mounting plate 221 and the upper mounting plate 222 are respectively inclinedly mounted on one side of the lower mounting frame 213 and the upper mounting frame 212. A transmitting lens 224 and a receiving lens 223 are correspondingly mounted on one side of the upper mounting frame 212 and the lower mounting frame 213. The transmitting lens 224 and the receiving lens 223 cooperate with each other to measure the inner diameter of the threaded steel body 110.
[0026] Please see Figure 3 and Figure 4The measuring frame assembly 210 also includes a worm gear 214 and a turbine gear 215. The worm gear 214 is rotatably mounted inside the upper mounting frame 212 and the lower mounting frame 213, respectively. The turbine gear 215 is rotatably mounted above the upper mounting frame 212 and at the bottom of the lower mounting frame 213, respectively. The turbine gear 215 meshes with the worm gear 214. A lead screw 216 is fixedly connected to one side of the turbine gear 215. The lead screw 216 rotatably passes through the side walls of the upper mounting frame 212 and the lower mounting frame 213, respectively. A transmission plate 217 is driven and sleeved on the lead screw 216.
[0027] Limiting rods 218 are fixedly connected to both sides of the upper mounting frame 212 and the lower mounting frame 213 near the transmission plate 217, respectively. The limiting rods 218 slide through the transmission plate 217. One end of the worm gear 214 is fixedly connected to a rod, which limits rotation and passes through one side of the upper mounting frame 212 and the lower mounting frame 213. Handwheels 219 are fixedly installed on the rods on one side of the upper mounting frame 212 and the lower mounting frame 213, respectively. When the handwheels 219 are rotated, they drive the worm gear 214 to rotate. The worm gear 214 meshes with the worm wheel 215, driving the worm wheel 215 to rotate. When the worm wheel 215 rotates, it does not drive the worm gear 214 to rotate, which is used to improve the accuracy of measurement. The mounting bracket 211 is an L-shaped tilting device. A plate is fixedly mounted on the top of the mounting bracket 211. The upper mounting frame 212 and the lower mounting frame 213 are fixedly mounted on the upper and lower sides of the plate, respectively. Both the upper mounting frame 212 and the lower mounting frame 213 are fixedly mounted to the top plate of the mounting bracket 211 by means of support legs.
[0028] Both the lower mounting plate 221 and the upper mounting plate 222 are inclined, with an angle between 25° and 30° between them and the transmission plate 217. Limiting rings 225 are fixedly connected to both the lower mounting plate 221 and the upper mounting plate 222, respectively. The limiting rings 225 are fixedly installed at both ends of one side of the lower mounting plate 221 and the upper mounting plate 222, respectively, and the receiving lens 223 and the transmitting lens 224 are respectively limited and engaged within the limiting rings 225. Positioning bolts 226 are threaded through the outer side of the limiting rings 225, with the bottoms of the positioning bolts 226 abutting against the receiving lens 223 and the transmitting lens 224, respectively. Adjusting the positioning bolts 226 facilitates the installation and replacement of the receiving lens 223 and the transmitting lens 224.
[0029] A threaded steel positioning assembly 230 is mounted on the top plate of the mounting bracket 211. The threaded steel positioning assembly 230 includes a limiting plate 233, which is fixedly installed on both sides of the middle of the top plate of the mounting bracket 211. The upper part of the side of the limiting plates 233 that are close to each other is symmetrically provided with arc-shaped grooves. A positioning frame 231 is fixedly connected to the end of the top plate of the mounting bracket 211. A limiting bolt 232 is threaded through the top of the positioning frame 231. The threaded steel body 110 is placed between the two limiting plates 233. The bottom of the limiting bolt 232 is correspondingly set with the threaded steel body 110.
[0030] Working principle: The threaded steel body 110 is placed between two limiting plates 233. By tightening the limiting bolt 232, the bottom of the limiting bolt 232 abuts against the threaded steel body 110 to prevent the threaded steel body 110 from shaking during operation, which would make it difficult to accurately align the receiving lens 223 and the transmitting lens 224. After the threaded steel body 110 is adjusted, the lower mounting plate 221 on one side of the transmitting lens 224 is adjusted. By turning the handwheel 219, the worm gear 214 drives the lower mounting frame 213 to rotate slowly, so that the transmitting lens 224 is aligned with the middle of the two transverse ribs of the threaded steel body 110. After the adjustment is completed, the upper mounting plate 222 on one side of the receiving lens 223 is adjusted so that the receiving lens 223 and the transmitting lens 224 correspond to each other, which is used to accurately measure the inner diameter of the threaded steel body 110.
[0031] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A lens tilting structure specifically for measuring threaded steel bars, comprising the threaded steel bar body to be measured, characterized in that, Also includes A measuring mechanism includes a measuring frame assembly and a measuring component. The measuring frame assembly includes a mounting frame, an upper mounting frame, and a lower mounting frame. The upper mounting frame and the lower mounting frame are limited and driven to be mounted on the upper and lower sides of the mounting frame. The measuring component includes a lower mounting plate and an upper mounting plate. The lower mounting plate and the upper mounting plate are respectively inclinedly mounted on one side of the lower mounting frame and the upper mounting frame. A transmitting lens and a receiving lens are respectively mounted on one side of the upper mounting frame and the lower mounting frame.
2. The tilting structure for measuring threaded steel as described in claim 1, characterized in that: The measuring frame assembly also includes a worm gear and a turbine. The worm gear is rotatably mounted inside the upper and lower mounting frames, respectively. The turbine is rotatably mounted above the upper mounting frame and at the bottom of the lower mounting frame, respectively. The turbine meshes with the worm gear. A lead screw is fixedly connected to one side of the turbine. The lead screw rotatably passes through the side walls of the upper and lower mounting frames, respectively. A transmission plate is driven onto the lead screw.
3. The tilting structure for measuring threaded steel as described in claim 2, characterized in that: Limiting rods are fixedly connected to both sides of the upper mounting frame and the lower mounting frame near the transmission plate, and the limiting rods slide through the transmission plate respectively.
4. The tilting structure for measuring threaded steel as described in claim 2, characterized in that: One end of the worm gear is fixedly connected to a rod, which limits rotation and passes through one side of the upper mounting frame and the lower mounting frame. Handwheels are fixedly installed on the rods on one side of the upper mounting frame and the lower mounting frame, respectively.
5. The tilting structure for measuring threaded steel as described in claim 2, characterized in that: The mounting bracket is an L-shaped tilting structure, with a plate fixedly mounted on the top of the mounting bracket, and the upper mounting frame and the lower mounting frame fixedly mounted on the upper and lower sides of the plate, respectively.
6. The tilting structure for measuring threaded steel as described in claim 3, characterized in that: Both the lower mounting plate and the upper mounting plate are inclined, and the included angle between the lower mounting plate, the upper mounting plate and the transmission plate is between 25° and 30°.
7. The tilting structure for measuring threaded steel as described in claim 6, characterized in that: Limiting rings are fixedly connected to the lower mounting plate and the upper mounting plate respectively. The limiting rings are fixedly installed at both ends of one side of the lower mounting plate and the upper mounting plate respectively. The receiving lens and the transmitting lens are respectively limited and locked inside the limiting rings.
8. The tilting structure for measuring threaded steel as described in claim 7, characterized in that: The outer thread of the limiting ring is provided with a positioning bolt, and the bottom of the positioning bolt abuts against the receiving lens and the transmitting lens respectively.
9. The tilting structure for measuring threaded steel as described in claim 5, characterized in that: A threaded steel positioning assembly is installed on the top plate of the mounting frame. The threaded steel positioning assembly includes a limiting plate, which is fixedly installed on both sides of the middle part of the top plate of the mounting frame. The limiting plates have symmetrical arc-shaped grooves above the side of the limiting plates that are close to each other.
10. The tilting structure for measuring threaded steel as described in claim 9, characterized in that: A positioning frame is fixedly connected to the end of the top plate of the mounting bracket. A limit bolt is threaded through the top of the positioning frame. The threaded steel body is placed between the two limit plates. The bottom of the limit bolt is correspondingly set with the threaded steel body.