Steel bar parameter detection device

Abstract

The utility model relates to the field of steel bar detection, in particular to a steel bar parameter detection device which comprises a supporting frame, a placing box, a mounting platform, a weighing unit, a blocking structure and a distance measuring unit, the placing box is arranged on the upper portion of the supporting frame, the placing box is provided with an upward opening, and the bottom of the placing box is obliquely arranged; an arc-shaped tightening section and an arc section are machined on the side wall of the containing box, a rotary discharging part is rotationally arranged in the arc section, a containing groove is formed in the circumferential wall of the rotary discharging part, a discharging opening is formed in the lower portion of the arc section, and the mounting platform is arranged on the lower portion of the supporting frame and located below the discharging opening; and the weighing unit, the blocking structure and the distance measuring unit are all arranged on the mounting platform, so that the effects of automatically detecting the parameters of the reinforcing steel bar, avoiding manual detection, improving the detection efficiency and reducing the error of a detection result are achieved.

Description

Technical Field

[0001] This application relates to the field of steel bar detection, and particularly to a device for detecting steel bar parameters. Background Art

[0002] At present, steel bars are a kind of steel widely used in the construction and engineering fields. The types of steel bars include plain bars, ribbed bars, steel wires, cold-rolled twisted bars, etc. Steel bars are key load-bearing materials in building structures, and whether their parameters are qualified is directly related to the stability and safety of the structure.

[0003] The existing detection of steel bar parameters includes detecting the length and weight of steel bars. The detection of steel bar parameters is all carried out manually by staff using corresponding tools. After detection, data is summarized and calculated to determine whether the steel bar parameters are qualified.

[0004] The above-mentioned existing technical solutions have the following defects: The detection of steel bar parameters is carried out manually, with low detection efficiency. There are a large number of steel bars to be detected, resulting in a large workload. Manual measurement is prone to errors, leading to inaccurate data. Utility Model Content

[0005] This application provides a device for detecting steel bar parameters in order to automatically detect the parameters of steel bars, avoid using manual detection, improve the detection efficiency, and reduce the error of the detection result.

[0006] The above technical objectives of this application are achieved through the following technical solutions:

[0007] A device for detecting steel bar parameters includes a support frame, a placement box, an installation platform, a weighing unit, a blocking structure, and a ranging unit. The placement box is arranged on the upper part of the support frame. The placement box is provided with an opening facing upwards, and the bottom of the placement box is inclined. An arc-shaped tightening section and an arc section are formed by machining on the side wall of the placement box. A rotating discharge member is rotatably arranged in the arc section. A receiving groove is formed on the peripheral wall of the rotating discharge member. A discharge port is arranged at the lower part of the arc section. The installation platform is arranged on the lower part of the support frame and is located below the discharge port. The weighing unit, the blocking structure, and the ranging unit are all arranged on the installation platform.

[0008] By adopting the above technical solution, by setting up a support frame, a placement box, an installation platform, a weighing unit, a blocking structure and a ranging unit, the placement box can sort the steel bars to be detected and then sequentially place them in the weighing unit in groups of five for subsequent steel bar parameter detection, avoiding manual detection. The weighing unit can measure the weight of the steel bars placed in the placement groove, the ranging unit can measure the length of the steel bars, and the blocking structure can fix the steel bars in the weighing unit, so as to perform automatic detection of steel bar parameters, avoid manual detection with tools, and improve the detection accuracy and efficiency.

[0009] Optionally, a plurality of partition plates are arranged in the placement box, and the plurality of partition plates are spaced apart from each other and evenly distributed in the placement box.

[0010] By adopting the above technical solution, the partition plates are used to comb the steel bars to prevent the length directions of multiple steel bars from intersecting with each other when the steel bars are placed in the placement box, thus interfering with the efficiency of subsequent parameter detection.

[0011] Optionally, the upper surface of the installation platform is inclined, and an installation groove is formed on the upper surface of the installation platform. The weighing unit is arranged in the installation groove. The weighing unit includes a weighing member and a weight sensor. The weighing member is slidably arranged in the installation groove, and the weight sensor is arranged between the bottom of the installation groove and the weighing member. A placement groove is formed on the upper surface of the weighing member.

[0012] By adopting the above technical solution, by setting the weighing member and the weight sensor, the weight of the steel bars placed in the placement groove can be measured, avoiding manual measurement with tools, and improving the measurement accuracy and detection efficiency.

[0013] Optionally, the blocking structure includes a fixed frame, a lead screw and a sliding plate. The fixed frame is arranged at the lower part of the upper surface of the installation platform. The lead screw is rotatably arranged between the fixed frame and the installation platform. The sliding plate is arranged between the fixed frame and the installation platform, and the end of the sliding plate is slidably sleeved on the lead screw.

[0014] By adopting the above technical solution, by setting the fixed frame, the lead screw and the sliding plate, the lead screw can drive the sliding plate to move up and down reciprocally along the direction perpendicular to the upper surface of the installation platform. When the sliding plate is in the lower position, it can fix the steel bars in the placement groove, which is beneficial to the placement of the steel bars and the collection of the steel bars after the measurement and detection are completed.

[0015] Optionally, an arc-shaped protrusion is formed on the lower side wall of the sliding plate, and the arc-shaped protrusion can fit the groove wall of the placement groove.

[0016] By adopting the above technical solution, the steel bars can be placed in the placement groove by arranging the arc-shaped protrusion, and the sliding plate capable of reciprocating up and down is conducive to the placement of the steel bars and the collection of the steel bars after the measurement and detection are completed.

[0017] Optionally, the sliding plate surface is processed to form a mirror surface.

[0018] By adopting the above technical solution, the sliding plate of the mirror can cooperate with the infrared ranging sensor to measure the length of the steel bar, thereby improving the measurement accuracy.

[0019] Optionally, the ranging unit includes an infrared ranging sensor, a sliding guide rod, a ranging plate and a pushing plate, the infrared ranging sensor is arranged on the upper part of the mounting platform, the sliding guide rod is suspended above the mounting platform, the ranging plate is slidably sleeved on the sliding guide rod, the lower end surface of the ranging plate is processed to form a protruding arc surface, the protruding arc surface can slide in the placement groove, and the pushing plate is slidably sleeved on the sliding guide rod.

[0020] By adopting the above technical solution, by setting up an infrared ranging sensor, a sliding guide rod, a ranging plate, and a push plate, when measuring the length of a steel bar, the steel bar is placed in the placement slot. Because the weighing piece is set at an angle, the lower end of the steel bar can be against the sliding plate, so that the lower end surfaces of the five steel bars are flush. The push rod is moved to make the ranging plate surface against the upper end surface of the steel bar. Because the five steel bars may have different lengths, the surfaces of the five ranging plates are not flush. The infrared ranging sensor measures the distance from the probe end face to the ranging plate away from the steel bar surface, thereby measuring the steel bar length. Using the ranging unit to measure the length of the steel bar avoids the use of tools for manual measurement and improves detection efficiency.

[0021] Optionally, the surface of the ranging plate is processed into a mirror surface.

[0022] By adopting the above technical solution, the length of steel bars can be measured in conjunction with an infrared ranging sensor, thereby improving the accuracy of the detection results.

[0023] Optionally, a PLC processor is provided in the installation platform, and the PLC processor is electrically connected to the weight sensor and the infrared ranging sensor.

[0024] By adopting the above technical solution, a PLC processor is set up to organize and calculate the data measured by the infrared ranging sensor and the weight sensor, and the calculation is performed by difference method. The settlement result can determine whether the steel bar parameters are qualified.

[0025] Optionally, the detection device also includes a data output component, which includes a length LED screen, a weight LED screen and a result LED screen. The length LED screen, the weight LED screen and the result LED screen are all arranged on the mounting platform and electrically connected to the PLC processor.

[0026] By adopting the above technical solution, by setting a length LED screen, a weight LED screen and a result LED screen, the length LED screen can display the length of each steel bar in a group of five steel bars, the weight LED screen can display the weight of each steel bar in a group of five steel bars, and the result LED screen can display the calculation results of the detection data.

[0027] In summary, this application has the following technical effects:

[0028] 1. By setting up a support frame, a placement box, an installation platform, a weighing unit, a blocking structure and a distance measuring unit, the placement box can sort the steel bars to be tested, and then place them in groups of five into the weighing unit one by one for subsequent steel bar parameter testing, avoiding manual testing. The weighing unit can measure the weight of the steel bars placed in the placement slot, the distance measuring unit can measure the length of the steel bars, and the blocking structure can fix the steel bars in the process unit, thereby performing fully automatic steel bar parameter testing, avoiding the use of tools for manual testing, and improving detection accuracy and efficiency;

[0029] 2. By setting up a weighing piece and a weight sensor, the weight of the steel bars placed in the placement slot can be measured, avoiding the use of tools for manual measurement and improving measurement accuracy and detection efficiency;

[0030] 3. By setting up an infrared distance sensor, a sliding guide rod, a distance measuring plate, and a push plate, when measuring the length of a steel bar, the steel bar is placed in the placement slot. Due to the tilted setting of the weighing piece, the lower end of the steel bar can be against the sliding plate, so that the lower end surfaces of the five steel bars are flush. The push rod is moved to make the distance measuring plate surface against the upper end surface of the steel bar. Because the five steel bars may have different lengths, the surfaces of the five distance measuring plates are not flush. The infrared distance measuring sensor measures the distance from the probe end face to the distance measuring plate away from the steel bar surface, thereby measuring the steel bar length. Using the distance measuring unit to measure the length of the steel bar avoids the use of tools for manual measurement and improves detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is the appearance structure diagram of this application;

[0032] Figure 2 It is a prominent structural diagram of the application placement box;

[0033] Figure 3 It is a prominent structural diagram of the detection component of this application.

[0034] Description of reference numerals: 1. Placing component; 11. Support frame; 111. Horizontal column; 112. Vertical column; 12. Placing box; 121. Partition board; 122. Arc tightening section; 123. Arc section; 13. Rotating discharging part; 131. Accommodating groove; 14. First motor; 2. Detection component; 21. Installation platform; 211. Installation groove; 22. Weighing unit; 221. Weighing member; 222. Placing groove; 23. Blocking structure; 231. Fixed frame; 232. Lead screw; 233. Sliding plate; 234. Second motor; 24. Distance measuring unit; 241. Infrared distance sensor; 242. Sliding guide rod; 243. Distance measuring board; 244. Pushing board; 245. Electric push rod; 25. Data output component; 251. Length LED screen; 252. Weight LED screen; 253. Result LED screen. Detailed implementation manners

[0035] The present application will be further described in detail below with reference to the accompanying drawings.

[0036] An embodiment of the present application discloses a steel bar parameter detection device. Refer to Figure 1 , the detection device includes a placing component 1 and a detection component 2. After the steel bars to be detected are sorted by the placing component 1, they are successively placed into the detection component 2 in groups of five, avoiding manual placement into the detection component 2 for detection, and improving the detection efficiency. The detection component 2 can automatically detect the length and weight parameters of the steel bars and perform data summary and calculation, improving the detection efficiency and the accuracy of the detection results.

[0037] Combined with Figure 1 and Figure 2 , the placing component 1 includes a support frame 11. The support frame 11 is a two-layer frame structure built by using horizontal columns 111 and vertical columns 112, and the support frame 11 is vertically arranged. An upper support frame 11 is fixedly connected with a placing box 12. The placing box 12 is provided with an opening and the opening faces upward. There are five placing boxes 12, and the side walls of the five placing boxes 12 are mutually attached and connected, and the length directions are parallel to each other. A plurality of vertical partition boards 121 are arranged inside the placing box 12. The surfaces of the plurality of partition boards 121 are parallel to each other and are spaced apart. The length direction of the partition board 121 is parallel to the length direction of the placing box 12. The partition board 121 is used to comb the steel bars to avoid the non-parallel length direction of the steel bars when placed in the placing box 12, interfering with the efficiency of subsequent parameter detection. The lower part of the placing box 12 is processed into an inclined shape.

[0038] Combined with Figure 1 and Figure 2, arc-shaped tightening sections 122 are formed by machining at the lower parts of the two opposite side boxes of the placement box 12. The inner walls of the arc-shaped tightening sections 122 of the two side boxes are arranged at intervals, and the distance between the two side boxes at the tightening part can accommodate a steel bar. The arc-shaped tightening section 122 can discharge multiple steel bars one by one into the measuring assembly. A circular arc section 123 is also formed by machining at the lower part of the arc-shaped tightening section 122. A rotating discharging member 13 is arranged at the position of the circular arc section 123 in the placement box 12. The rotating discharging member 13 is a cylinder. The two ends of the rotating discharging member 13 penetrate into the end walls of the placement box 12 and are located outside the placement box 12, and the rotating discharging member 13 is hinged to the placement box 12. The length direction of the rotating discharging member 13 is parallel to the length direction of the placement box 12. A receiving groove 131 is formed on the circumferential wall of the rotating discharging member 13. A plurality of receiving grooves 131 are provided. The plurality of receiving grooves 131 are equally angularly distributed on the circumferential wall of the rotating discharging member 13 with the axis of the rotating discharging member 13 as the center. The length direction of the receiving groove 131 is parallel to the length direction of the rotating discharging member 13. The receiving groove 131 can accommodate a steel bar. When the rotating discharging member 13 rotates through the plurality of receiving grooves 131, the steel bars can be placed on the detection assembly 2 one by one for parameter detection, improving the detection efficiency and saving labor. A discharge port is provided at the lower part of the circular arc section 123 of the placement box body.

[0039] Combined with Figure 1 and Figure 2 , a first motor 14 is fixedly connected to the support frame 11 on one side of the placement box 12. The axis of the first motor 14 is parallel to the length direction of the placement box 12. The circumferential wall of the end of the output shaft of the first motor 14 is connected to the ends of the five rotating discharging members 13 through a conveyor belt. The first motor 14 can drive the rotating discharging member 13 to rotate.

[0040] Combined with Figure 1 and Figure 3 , the detection assembly 2 is arranged on the upper part of the lower platform of the support frame 11. The detection assembly 2 includes an installation platform 21, a weighing unit 22, a blocking structure 23, a ranging unit 24 and a data output assembly 25. The installation platform 21 is arranged on the lower platform of the support frame 11. The length direction of the installation platform 21 is perpendicular to the length direction of the placement box 12. The upper surface of the installation platform 21 is an inclined surface. The upper surface of the installation platform 21 is inclined from one side in the length direction to the other side in the length direction. Installation grooves 211 are formed at the corresponding positions below the placement box 12 on the upper surface of the installation platform 21. Five installation grooves 211 are provided, and the five installation grooves 211 correspond to the five placement boxes 12 one by one.

[0041] Combined with Figure 1 and Figure 3, the weighing unit 22 is arranged on the upper surface of the installation platform 21 within the installation groove 211. The weighing unit 22 includes a weighing member 221. The weighing member 221 is a square column. The weighing member 221 is adapted to the installation groove 211 and is slidably arranged in the installation groove 211. The length direction of the weighing member 221 is perpendicular to the length direction of the installation platform 21. The upper surface of the weighing member 221 is parallel to the upper surface of the installation platform 21. A placement groove 222 is formed on the upper surface of the weighing member 221. The length direction of the placement groove 222 is parallel to the length direction of the weighing member 221. The bottom of the placement groove 222 is processed into an arc surface. Openings are provided at both end faces of the weighing member 221 for the placement groove 222. The peripheral wall of the steel bar can be attached to the wall of the placement groove 222. The bottom of the placement groove 222 is always higher than the upper surface of the installation platform 21.

[0042] Combined with Figure 1 and Figure 3 , the weighing unit 22 further includes a weight sensor (not shown in the figure). The weight sensor is arranged in the installation groove 211 between the bottom of the installation groove 211 and the lower surface of the weighing member 221. The weight sensor can measure the weight of the steel bar placed on the weighing member 221 and collect data.

[0043] Combined with Figure 1 and Figure 3 , the blocking structure 23 includes a fixing frame 231. The fixing frame 231 is arranged on the installation platform 21. The fixing frame 231 is a square column. The fixing frame 231 is located below the upper surface of the installation platform 21 and between the two columns 112. The length direction of the fixing frame 231 is parallel to the upper surface of the installation platform 21. The upper surface of the fixing frame is parallel to the upper surface of the installation platform 21. The two ends of the fixing frame 231 are bent downward and fixed on the upper surface of the installation platform 21. The two ends of the two fixing frames 231 are respectively arranged at both ends of the length of the installation platform 21.

[0044] Combined with Figure 1 and Figure 3 , the blocking structure 23 further includes a lead screw 232. The lead screw 232 is arranged at the lower part of the fixing frame 231 at the end of the length direction of the fixing frame 231. The lower end of the lead screw 232 is hinged to the upper surface of the installation platform 21. The peripheral wall of the upper part of the lead screw 232 is hinged to the fixing frame 231. The length direction of the lead screw 232 is perpendicular to the upper surface of the installation platform 21.

[0045] Combined with Figure 1 and Figure 3, the blocking structure 23 further includes a sliding plate 233. The sliding plate 233 is arranged below the fixed frame 231. The end of the sliding plate 233 is slidably sleeved on the lead screw 232. The plate surface of the sliding plate 233 is perpendicular to the upper surface of the installation platform 21. An arc-shaped protrusion is formed on the lower side wall of the sliding plate 233. The peripheral wall of the arc-shaped protrusion can fit the groove wall of the placement groove 222. The blocking plate can fix the steel bar in the placement groove 222 for weight detection. The plate surface of the sliding plate 233 is processed into a mirror surface, which can cooperate with the distance measuring unit 24 to detect the length of the steel bar and improve the detection accuracy.

[0046] Combined with Figure 1 and Figure 3 , the blocking structure 23 further includes a second motor 234. The second motor 234 is arranged at the upper end of the lead screw 232. The end of the output shaft of the second motor 234 penetrates into the fixed frame 231 and is coaxially fixedly connected to the upper end surface of the lead screw 232. The second motor 234 can rotate the lead screw 232 to drive the sliding plate 233 to reciprocate along the direction perpendicular to the upper surface of the installation platform 21, which is beneficial to the placement of the steel bar and the collection of the steel bar after the measurement and detection are completed.

[0047] Combined with Figure 1 and Figure 3 , the distance measuring unit 24 is arranged above the upper surface of the installation platform 21. There are five groups of the distance measuring unit 24, and the five groups of the distance measuring unit 24 correspond to the five groups of weighing units 22 one by one. The distance measuring unit 24 includes an infrared distance sensor 241. The infrared distance sensor 241 is arranged at a position corresponding to the weighing unit 22 above the upper surface of the installation platform 21. The infrared distance sensor 241 can emit infrared rays and measure the distance through reflection.

[0048] Combined with Figure 1 and Figure 3 , the distance measuring unit 24 further includes a sliding guide rod 242. The sliding guide rod 242 is suspended above the upper surface of the installation platform 21. The length direction of the sliding guide rod 242 is perpendicular to the plate surface of the sliding plate 233. The lower end of the sliding guide rod 242 is fixedly connected to the fixed frame 231 through a connecting plate, and the upper end of the sliding guide rod 242 is fixedly connected to the upper surface of the installation platform 21 through a connecting plate. One group of the distance measuring unit 24 is provided with two sliding guide rods 242, and the two sliding guide rods 242 are respectively located on both sides of the infrared sensor.

[0049] Combined with Figure 1 and Figure 3, the distance measuring unit 24 further includes a distance measuring plate 243. The distance measuring plate 243 is arranged between the infrared distance measuring sensor 241 and the sliding plate 233. The distance measuring plate 243 is a strip-shaped plate. The upper end of the distance measuring plate 243 is slidably sleeved on the sliding guide rod 242. The lower end surface of the distance measuring plate 243 is processed to form a protruding arc surface, and the protruding arc surface is adapted to the groove wall of the placement groove 222 and can slide in the sliding groove. The surface of the distance measuring plate 243 is processed into a mirror surface, which can cooperate with the infrared distance measuring sensor 241 to measure the length of the steel bar.

[0050] Combined with Figure 1 and Figure 3 , the distance measuring unit 24 further includes a pushing plate 244 and an electric push rod 245. The pushing plate 244 is arranged between the distance measuring plate 243 and the sliding plate 233. The pushing plate 244 is a strip-shaped plate. The end of the pushing plate 244 is slidably sleeved on the sliding guide rod 242. The surface of the pushing plate 244 is parallel to the surface of the sliding plate 233. The electric push rod 245 is arranged on the upper part of the fixing frame 231. The housing of the electric push rod 245 is fixedly connected to the upper surface of the fixing frame 231. The end of the pushing rod of the electric push rod 245 is fixedly connected to the surface of the pushing plate 244. The center line of the electric push rod 245 is perpendicular to the surface of the pushing plate 244. The electric push rod 245 pushes the pushing plate 244 to reciprocate along the length direction of the sliding guide rod 242. The pushing plate 244 can make the distance measuring plates 243 of the five groups of distance measuring units 24 be above the weighing member 221. When the steel bar is placed in the placement groove 222, the pushing plate 244 moves towards the sliding plate 233, so that the distance measuring plate 243 falls along the sliding guide rod 242 under the action of gravity, and the surface of the distance measuring plate 243 abuts against the upper end surface of the steel bar.

[0051] Combined with Figure 1 and Figure 3 , a PLC processor (not shown in the figure) is arranged in the installation platform 21. The PLC processor is electrically connected to the infrared sensor and the weight sensor. The distance from the probe of the infrared sensor to the surface of the sliding plate 233 and the thickness of the distance measuring plate 243 are preset in the PLC processor. When measuring the length of the steel bar, the steel bar is placed in the placement groove 222. Because the weighing member 221 is inclined, the lower end of the steel bar can abut against the sliding plate 233, making the lower end surfaces of the five steel bars flush. Move the pushing rod to make the surface of the distance measuring plate 243 abut against the upper end surface of the steel bar. Because the five steel bars may have different lengths, the surfaces of the five distance measuring plates 243 are not flush. The infrared distance measuring sensor 241 measures the distance from the end face of the measuring probe to the surface of the distance measuring plate 243 facing away from the steel bar, and transmits the data to the PLC processor for sorting and calculation. The length of each steel bar is calculated by the difference method. The weight sensor measures the weight of each steel bar and transmits the data to the PLC processor for collection and processing.

[0052] Combined with Figure 1 and Figure 3, the data output component 25 is arranged on the vertical side wall of the installation platform 21. The data output component 25 includes a length LED screen 251, a weight LED screen 252 and a result LED screen 253. The three LED screens are horizontally arranged in sequence on the vertical side wall of the installation platform 21. The three LED screens are embedded in the installation platform 21, and there is a gap between the three LED screens. The three LED screens are all electrically connected to the PLC processor. The length LED screen 251 can display the length of each of the five steel bars in a group. The weight LED screen 252 can display the weight of each of the five steel bars in a group. The result LED screen 253 can display the calculation result of the detection data.

[0053] This specific embodiment is only an interpretation of the present application, and it does not limit the present application. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A steel bar parameter detection device, characterized in that: The detection device includes a support frame (11), a placement box (12), an installation platform (21), a weighing unit (22), a blocking structure (23), and a ranging unit (24). The placement box (12) is arranged on the upper part of the support frame (11). The placement box (12) is provided with an opening facing upwards. The bottom of the placement box (12) is inclined. An arc-shaped tightening section (122) and an arc section (123) are formed by machining on the side wall of the placement box (12). A rotating discharge member (13) is rotatably arranged in the arc section (123). A receiving groove (131) is formed on the peripheral wall of the rotating discharge member (13). A discharge port is arranged at the lower part of the arc section (123). The installation platform (21) is arranged at the lower part of the support frame (11) and is located below the discharge port. The weighing unit (22), the blocking structure (23), and the ranging unit (24) are all arranged on the installation platform (21).

2. The steel bar parameter detection device according to claim 1, characterized in that: A plurality of partition plates (121) are arranged in the placement box (12). The plurality of partition plates (121) are spaced apart from each other and are evenly distributed in the placement box (12).

3. The steel bar parameter detection device according to claim 2, characterized in that: The upper surface of the installation platform (21) is inclined. An installation groove (211) is formed on the upper surface of the installation platform (21). The weighing unit (22) is arranged in the installation groove (211). The weighing unit (22) includes a weighing member (221) and a weight sensor. The weighing member (221) is slidably arranged in the installation groove (211). The weight sensor is arranged between the bottom of the installation groove (211) and the weighing member (221). A placement groove (222) is formed on the upper surface of the weighing member (221).

4. The steel bar parameter detection device according to claim 3, characterized in that: The blocking structure (23) includes a fixed frame (231), a lead screw (232), and a sliding plate (233). The fixed frame (231) is arranged at the lower part of the upper surface of the installation platform (21). The lead screw (232) is rotatably arranged between the fixed frame (231) and the installation platform (21). The sliding plate (233) is arranged between the fixed frame (231) and the installation platform (21). The end of the sliding plate (233) is slidably sleeved on the lead screw (232).

5. The steel bar parameter detection device according to claim 4, characterized in that: An arc-shaped protruding part is formed by machining on the lower side wall of the sliding plate (233). The arc-shaped protruding part can fit the groove wall of the placement groove (222).

6. The steel bar parameter detection device according to claim 5, characterized in that: The plate surface of the sliding plate (233) is processed into a mirror surface.

7. The steel bar parameter detection device according to claim 3, characterized in that: The ranging unit (24) includes an infrared ranging sensor (241), a sliding guide rod (242), a ranging plate (243), and a pushing plate (244). The infrared ranging sensor (241) is arranged at the upper part of the upper surface of the installation platform (21). The sliding guide rod (242) is suspended above the installation platform (21). The ranging plate (243) is slidably sleeved on the sliding guide rod (242). A protruding arc surface is formed on the lower end surface of the ranging plate (243). The protruding arc surface can slide in the placement groove (222). The pushing plate (244) is slidably sleeved on the sliding guide rod (242).

8. The steel bar parameter detection device according to claim 7, wherein: The plate surface of the ranging plate (243) is processed into a mirror surface.

9. An apparatus for detecting steel bar parameters according to claim 7, characterized in that: A PLC processor is provided inside the installation platform (21), and the PLC processor is electrically connected to the weight sensor and the infrared ranging sensor (241).

10. A steel bar parameter detection device according to claim 1, characterized in that: The detection device further includes a data output component (25), and the data output component (25) includes a length LED screen (251), a weight LED screen (252), and a result LED screen (253). The length LED screen (251), the weight LED screen (252), and the result LED screen (253) are all arranged on the installation platform (21) and electrically connected to the PLC processor.

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