CN215358407U - Equidistant marking device for steel bars - Google Patents
Equidistant marking device for steel bars Download PDFInfo
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- CN215358407U CN215358407U CN202121765331.6U CN202121765331U CN215358407U CN 215358407 U CN215358407 U CN 215358407U CN 202121765331 U CN202121765331 U CN 202121765331U CN 215358407 U CN215358407 U CN 215358407U
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Abstract
The utility model relates to the technical field of steel bar marking, in particular to a steel bar equidistant marking device, which adopts the technical scheme that: including workstation and marking pen, still include: a clamping mechanism arranged on the workbench; the clamping mechanism is used for clamping the steel bar; a distance adjusting mechanism; the bottom end of the distance adjusting assembly is detachably provided with a plurality of groups of marking pens, and the distance adjusting assembly is used for adjusting the distance between the marking pens and marking the reinforcing steel bars; two groups of lifting components on two sides above the distance adjusting mechanism are symmetrically and fixedly installed; the lifting assembly is used for adjusting the distance between the distance adjusting mechanism and the scribing pen and the steel bar; the top plate is fixedly arranged on the workbench through four groups of supporting rods; the lifting assemblies are fixedly arranged on two sides below the top plate, the device can mark the reinforcing steel bars, so that the marking distance of the equidistant mark of the reinforcing steel bars is accurate, the marking distance is adjustable, a plurality of mark points can be marked at one time at equal intervals, the speed of the equidistant mark of the reinforcing steel bars is high, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of steel bar marking, in particular to a steel bar equidistant marking device.
Background
The steel bar refers to steel for reinforced concrete and prestressed reinforced concrete, the cross section of the steel bar is circular, sometimes square with round corners, and the steel bar includes plain round steel bars, ribbed steel bars and twisted steel bars, and the steel bar for reinforced concrete refers to straight bar or wire rod-shaped steel for reinforced concrete reinforcement.
At present, the reinforcing bar need be to reinforcing bar equidistance mark when cutting, and at present to the equidistance mark of reinforcing bar generally not artifical handheld measuring tape and pen mark, the distance of artifical mark is accurate inadequately, and the speed of mark is slower, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a steel bar equidistant marking device, which clamps and fixes a steel bar through a clamping mechanism, can adjust the distance between two adjacent marking pens through a distance adjusting assembly according to the actual marking distance, then enables the marking pens to be in contact with the surface of the steel bar through a lifting assembly, and drives the marking pens to mark the surface of the steel bar through the distance adjusting assembly, so that the marking distance of the steel bar equidistant marking is accurate, the marking distance can be adjusted, a plurality of marking points can be marked at one time at equal intervals, and the steel bar equidistant marking speed is high, thereby solving the problems that at present, the steel bar equidistant marking is generally carried out by not manually holding a measuring scale and a pen for marking, the distance of manual marking is not accurate enough, the marking speed is slow, and time and labor are wasted.
In order to achieve the above purpose, the utility model provides the following technical scheme: reinforcing bar equidistance mark device, including workstation and marking pen, still include:
a clamping mechanism arranged on the workbench; the clamping mechanism is used for clamping the steel bar;
a distance adjusting mechanism; the bottom end of the distance adjusting assembly is detachably provided with a plurality of groups of marking pens, and the distance adjusting assembly is used for adjusting the distance between the marking pens and marking the reinforcing steel bars;
two groups of lifting components on two sides above the distance adjusting mechanism are symmetrically and fixedly installed; the lifting assembly is used for adjusting the distance between the distance adjusting mechanism and the scribing pen and the steel bar; and
a top plate fixedly arranged on the workbench through four groups of supporting rods; and lifting components are fixedly arranged on two sides below the top plate.
Preferably, the lifting assembly comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is fixedly mounted at the bottom end of the top plate, the hydraulic rod is arranged in the hydraulic cylinder in a sliding mode, and the bottom end of the hydraulic rod is fixedly mounted on the distance adjusting mechanism.
Preferably, the clamping mechanism comprises a first abutting block, a screw rod, a second abutting block and a rotary table, the first abutting block is fixedly installed on one side of the workbench, the second abutting block is arranged on one side, away from the first abutting block, of the workbench, the bottom end of the second abutting block is slidably arranged in a sliding groove, the sliding groove is arranged in the workbench, the second abutting block is in transmission engagement with the screw rod, the screw rod is rotatably installed in the sliding groove, and the rotary table is installed at one end, away from the first abutting block, of the screw rod in transmission mode.
Preferably, one end of the screw rod, which is close to the rotary disc, is fixedly provided with a ratchet, the bottom end of the ratchet is movably matched with a pawl, and the pawl is fixedly arranged on the elastic mechanism.
Preferably, elastic mechanism includes pull rod, slide and first spring, the pull rod slides and sets up on the workstation is close to one side of carousel, the top fixed mounting pawl of pull rod, first spring is established to the fixed cover in upper portion of pull rod, the below of first spring sets up the slide, the slide slip cover is established on the pull rod, first spring and slide all slide and set up in the circular recess, the circular recess sets up in the workstation is close to the one end of carousel.
Preferably, the roll adjustment mechanism includes bar-shaped block and sliding sleeve, first pivot and second pivot are installed in the transmission respectively to the both sides of bar-shaped block, first pivot and second pivot are all rotated and are installed in the square block, the equal fixed mounting of square block is on the bottom of hydraulic stem, the one end transmission that the bar-shaped block was kept away from in the second pivot is connected with the motor, it is provided with seven groups of sliding sleeves to slide on the bar-shaped block, all be provided with the resilient mounting subassembly on the bottom of sliding sleeve, demountable installation marking pen on the bottom of resilient mounting subassembly.
Preferably, the motor is fixedly installed on the block.
Preferably, the elastic mounting assembly comprises a second spring, a square plate, a connecting rod, a mounting sleeve and a fastening bolt, the second spring is arranged above the square plate, the second spring and the square plate are arranged in the lower portion of the sliding sleeve in a sliding manner, the connecting rod is fixedly mounted at the bottom end of the square plate, the mounting sleeve is fixedly mounted at the bottom end of the connecting rod, a marking pen is arranged in the mounting sleeve in a sliding manner, the marking pen and the mounting sleeve are fixed through the fastening bolt, and the fastening bolt is in threaded connection with the mounting sleeve.
Preferably, locating components are symmetrically arranged on two sides of the middle of the sliding sleeve, one end, far away from the sliding sleeve, of each locating component is arranged in a locating groove in a sliding mode, one hundred groups of locating grooves are arranged in the same number, and the locating grooves are uniformly and symmetrically arranged in the middle of two sides of the strip-shaped block.
Preferably, the positioning assembly comprises a steel ball and a third spring, the steel ball is movably embedded in one side of the middle of the sliding sleeve, one end, close to the strip-shaped block, of the steel ball is slidably arranged in the positioning groove, the third spring is arranged at one end, far away from the positioning groove, of the steel ball, the third spring is slidably arranged in the circular grooves, the circular grooves are two groups in total, and the circular grooves are symmetrically arranged in two sides of the middle of the sliding sleeve.
The utility model has the beneficial effects that: the device clamps and fixes the steel bar through the clamping mechanism, the distance between two adjacent marking pens can be adjusted according to the actual marking distance through the distance adjusting assembly, then the marking pens are contacted with the surface of the steel bar through the lifting assembly, and the marking pens are driven by the distance adjusting assembly to mark the surface of the steel bar, so that the marking distance of the equidistant mark of the steel bar is accurate, the distance of the marking is adjustable, a plurality of mark points can be marked at one time at equal intervals, the speed of the equidistant mark of the steel bar is high, and the practicability is high.
Drawings
FIG. 1 is a schematic structural diagram of an equidistant marking device according to the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of area B of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic structural view of C-C of FIG. 1 according to the present invention;
fig. 5 is a schematic structural diagram of a bar-shaped block provided by the present invention.
In the figure: 1-workbench, 2-support rod, 3-top plate, 4-first resisting block, 5-lead screw, 6-sliding groove, 7-second resisting block, 8-rotary table, 9-ratchet, 10-pawl, 11-pull rod, 12-sliding plate, 13-first spring, 14-circular groove, 15-hydraulic cylinder, 16-hydraulic rod, 17-sliding sleeve, 18-bar block, 19-second spring, 20-square plate, 21-connecting rod, 22-marking pen, 23-mounting sleeve, 24-fastening bolt, 25-positioning groove, 26-steel ball, 27-third spring, 28-circular groove, 29-first rotating shaft, 30-second rotating shaft, 31-motor and 32-square block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1 to 5, the equidistant marking device for steel bars provided by the utility model comprises a workbench 1 and a marking pen 22, and further comprises:
a clamping mechanism arranged on the worktable 1; the clamping mechanism is used for clamping the steel bar;
a distance adjusting mechanism (not marked in the figure); a plurality of groups of marking pens 22 are detachably mounted at the bottom end of the distance adjusting assembly, and the distance adjusting assembly is used for adjusting the distance between the marking pens 22 and marking the steel bars;
two groups of lifting components (not marked in the figure) at two sides above the distance adjusting mechanism are symmetrically and fixedly installed; the lifting assembly is used for adjusting the distance between the distance adjusting mechanism and the marking pen 22 and the steel bars; and
a top plate 3 fixedly arranged on the worktable 1 through four groups of supporting rods 2; and lifting components are fixedly arranged on two sides below the top plate 3.
Further, the lifting assembly comprises a hydraulic cylinder 15 and a hydraulic rod 16, the hydraulic cylinder 15 is fixedly installed at the bottom end of the top plate 3, the hydraulic rod 16 is slidably arranged in the hydraulic cylinder 15, and the bottom end of the hydraulic rod 16 is fixedly installed on the distance adjusting mechanism.
Further, the clamping mechanism comprises a first abutting block 4, a screw rod 5, a second abutting block 7 and a rotary table 8, the first abutting block 4 is fixedly installed on one side of the workbench 1, the second abutting block 7 is arranged on one side, away from the first abutting block 4, of the workbench 1, the bottom end of the second abutting block 7 is arranged in a sliding groove 6 in a sliding mode, the sliding groove 6 is arranged in the workbench 1, the second abutting block 7 is in transmission engagement with the screw rod 5, the screw rod 5 is rotatably installed in the sliding groove 6, and the rotary table 8 is installed at one end, away from the first abutting block 4, of the screw rod 5 in a transmission mode. Through first piece 4 and the second piece 7 of supporting to press from both sides tight fixedly to the reinforcing bar, the reinforcing bar takes place to rotate when avoiding carrying out the equidistance marking off to the reinforcing bar.
Furthermore, a ratchet 9 is fixedly installed at one end, close to the rotating disc 8, of the screw rod 5, a pawl 10 is movably matched at the bottom end of the ratchet 9, when the pawl 10 is matched with the ratchet 9, the ratchet 9 cannot rotate, namely, the position of the second abutting block 7 cannot move, when the pawl 10 is not matched with the ratchet 9, the ratchet 9 can rotate, the position of the second abutting block 7 can be adjusted, the pawl 10 is fixedly installed on an elastic mechanism (not marked in the drawing), the elastic mechanism can support the pawl 10, the pawl 10 is prevented from moving downwards under the action of gravity, and the pawl 10 is enabled to be disengaged from the ratchet 9.
Further, elastic mechanism includes pull rod 11, slide 12 and first spring 13, pull rod 11 slides and sets up on one side that workstation 1 is close to carousel 8, the top fixed mounting pawl 10 of pull rod 11, first spring 13 is established to the fixed cover in upper portion of pull rod 11, slide 12 is set up to the below of first spring 13, slide 12 sliding sleeve is established on pull rod 11, first spring 13 and slide 12 all slide and set up in circular recess 14, circular recess 14 sets up in the one end that workstation 1 is close to carousel 8.
Further, the roll adjustment mechanism includes bar block 18 and sliding sleeve 17, first pivot 29 and second pivot 30 are installed in the transmission respectively to the both sides of bar block 18, first pivot 29 and second pivot 30 are all rotated and are installed in square 32, the equal fixed mounting of square 32 is on the bottom of hydraulic stem 16, the one end transmission that second pivot 30 kept away from bar block 18 is connected with motor 31, it is provided with seven groups of sliding sleeves 17 to slide on bar block 18, all be provided with the resilient mounting subassembly (not marking in the figure) on the bottom of sliding sleeve 17, demountable installation marking pen 22 on the bottom of resilient mounting subassembly. The motor 31 rotates to drive the second rotating shaft 30 to rotate, so that the marking pen 22 rotates to mark the steel bars.
Further, the motor 31 is fixedly mounted on the block 32.
Further, the elastic mounting assembly comprises a second spring 19, a square plate 20, a connecting rod 21, a mounting sleeve 23 and a fastening bolt 24, the second spring 19 is arranged above the square plate 20, the second spring 19 and the square plate 20 are both slidably arranged in the lower portion of the sliding sleeve 17, the connecting rod 21 is fixedly mounted at the bottom end of the square plate 20, the mounting sleeve 23 is fixedly mounted at the bottom end of the connecting rod 21, a marking pen 22 is slidably arranged in the mounting sleeve 23, the marking pen 22 and the mounting sleeve 23 are fixed through the fastening bolt 24, the fastening bolt 24 is in threaded connection with the mounting sleeve 23, the marking pen 22 moves downwards to contact with the upper surface of the steel bar, then the marking pen 22 continues to move downwards, the marking pen 22 moves downwards to enable the second spring 19 to be compressed, after the marking pen descends to a certain distance, the motor 31 is started, the motor 31 rotates, namely the second rotating shaft 30 rotates, the second rotating shaft 30 rotates to drive the bar-shaped block 18 to rotate, the bar-shaped block 18 rotates, that is, the sliding sleeve 17 and the marking pen 22 rotate, and in the rotating process, the marking pen 22 moves downwards under the action of the second spring 19, so that the bottom end of the marking pen 22 always abuts against the surface of the steel bar in a movable manner, and marking on the surface of the steel bar can be realized.
Further, the middle part bilateral symmetry of sliding sleeve 17 is provided with locating component (not mark in the figure), the one end that locating component kept away from sliding sleeve 17 slides and sets up in constant head tank 25, constant head tank 25 is equipped with one hundred groups altogether, constant head tank 25 equipartition symmetry sets up in the middle part of the both sides of bar piece 18. The positioning assembly is used for positioning and fixing the position of the sliding sleeve 17, namely fixing the distance between the adjacent marking pens 22.
Further, the positioning assembly comprises a steel ball 26 and a third spring 27, the steel ball 26 is movably embedded in one side of the middle of the sliding sleeve 17, one end of the steel ball 26, which is close to the bar-shaped block 18, is slidably arranged in the positioning groove 25, one end of the steel ball 26, which is far away from the positioning groove 25, is provided with the third spring 27, the third spring 27 is slidably arranged in the circular groove 28, two groups of circular grooves 28 are arranged, and the circular grooves 28 are symmetrically arranged in two sides of the middle of the sliding sleeve 17.
The using process of the utility model is as follows: when the marking device is used, the mounting sleeve 23 is pulled to move in the horizontal direction according to the marking distance of actual requirements, the distance between two adjacent groups of marking pens 22 is adjusted, in the moving process, the steel ball 26 slides out of the positioning groove 25, the third spring 27 is in a compressed state at the moment, after the distance between the marking pens 22 is adjusted, the steel ball 26 slides into the positioning groove 25 under the action of the third spring 27 to position the strip-shaped block 18, namely, the marking pens 22 are positioned, then one end of a steel bar is movably abutted against the first abutting block 4, the pull rod 11 is pulled to move downwards, the sliding plate 12 is in a compressed state at the moment, the pawl 10 is disengaged from the ratchet 9, the rotating disc 8 can be rotated, namely, the screw rod 5 rotates, the screw rod 5 is engaged with the second abutting block 7, the second abutting block 7 can move in the horizontal direction due to the fixed position of the screw rod 5, the second abutting block 7 and the first abutting block 4 can clamp the steel bar tightly, after clamping, the pull rod 11 is released, the pull rod 11 moves upwards under the action of the sliding plate 12, so that the pawl 10 moves upwards to be matched with the ratchet 9, the ratchet 9 can be limited from rotating, the rotating disc 8 can be limited from rotating, the position of the second abutting block 7 can be fixed, then the hydraulic cylinder 15 is started, the hydraulic cylinder 15 drives the hydraulic rod 16 to move downwards, namely, the marking pen 22 moves downwards to be contacted with the upper surface of the steel bar, then the marking pen 22 continues to move downwards, the marking pen 22 moves downwards to enable the second spring 19 to be compressed, when the marking pen falls to a certain distance, the motor 31 is started, the motor 31 rotates, namely, the second rotating shaft 30 rotates, the strip-shaped block 18 rotates, namely, the sliding sleeve 17 and the marking pen 22 rotate, in the rotating process, the marking pen 22 moves downwards under the action force of the second spring 19, the bottom end of the marking pen 22 is enabled to be always abutted against the surface of the steel bar in a movable mode, marking on the surface of the steel bar can be achieved, the marking distance of the steel bar equidistant mark is accurate, the marking distance is adjustable, a plurality of mark points can be marked at one time in an equidistant mode, and the steel bar equidistant mark speed is improved.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. Reinforcing bar equidistance mark device includes workstation (1) and marking pen (22), its characterized in that still includes:
a clamping mechanism arranged on the workbench (1); the clamping mechanism is used for clamping the steel bar;
a distance adjusting mechanism; a plurality of groups of marking pens (22) are detachably mounted at the bottom end of the distance adjusting assembly, and the distance adjusting assembly is used for adjusting the distance between the marking pens (22) and marking the reinforcing steel bars;
two groups of lifting components on two sides above the distance adjusting mechanism are symmetrically and fixedly installed; the lifting assembly is used for adjusting the distance between the distance adjusting mechanism and the marking pen (22) and the steel bar; and
a top plate (3) fixedly arranged on the workbench (1) through four groups of supporting rods (2); lifting components are fixedly arranged on two sides below the top plate (3).
2. The equidistant marking device of steel reinforcement of claim 1, characterized in that: the lifting assembly comprises a hydraulic cylinder (15) and a hydraulic rod (16), the hydraulic cylinder (15) is fixedly installed at the bottom end of the top plate (3), the hydraulic rod (16) is arranged in the hydraulic cylinder (15) in a sliding mode, and the bottom end of the hydraulic rod (16) is fixedly installed on the distance adjusting mechanism.
3. The equidistant marking device of steel reinforcement of claim 1, characterized in that: the clamping mechanism comprises a first abutting block (4), a screw rod (5), a second abutting block (7) and a rotary table (8), the first abutting block (4) is fixedly installed on one side of the workbench (1), the second abutting block (7) is arranged on one side, away from the first abutting block (4), of the workbench (1), the bottom end of the second abutting block (7) is arranged in a sliding groove (6) in a sliding mode, the sliding groove (6) is arranged in the workbench (1), the second abutting block (7) is in transmission engagement with the screw rod (5), the screw rod (5) is rotatably installed in the sliding groove (6), and the rotary table (8) is installed at one end, away from the first abutting block (4), of the screw rod (5) in a transmission mode.
4. The equidistant marking device of steel reinforcement of claim 1, characterized in that: the distance adjusting mechanism comprises a bar-shaped block (18) and a sliding sleeve (17), a first rotating shaft (29) and a second rotating shaft (30) are respectively installed on two sides of the bar-shaped block (18) in a transmission mode, the first rotating shaft (29) and the second rotating shaft (30) are installed in a square block (32) in a rotating mode, the square block (32) is fixedly installed on the bottom end of a hydraulic rod (16), one end, far away from the bar-shaped block (18), of the second rotating shaft (30) is connected with a motor (31) in a transmission mode, seven groups of sliding sleeves (17) are arranged on the bar-shaped block (18) in a sliding mode, an elastic installation assembly is arranged on the bottom end of each sliding sleeve (17), and a marking pen (22) is detachably installed on the bottom end of the elastic installation assembly.
5. The equidistant marking device of steel bars as claimed in claim 3, wherein: one end of the screw rod (5) close to the rotary table (8) is fixedly provided with a ratchet (9), the bottom end of the ratchet (9) is movably matched with a pawl (10), and the pawl (10) is fixedly arranged on an elastic mechanism.
6. The equidistant marking device of steel bars as claimed in claim 4, wherein: the motor (31) is fixedly arranged on the square block (32).
7. The equidistant marking device of steel bars as claimed in claim 5, wherein: the elastic mounting assembly comprises a second spring (19), a square plate (20), a connecting rod (21), a mounting sleeve (23) and a fastening bolt (24), the second spring (19) is arranged above the square plate (20), the second spring (19) and the square plate (20) are arranged in the lower portion of the sliding sleeve (17) in a sliding mode, the connecting rod (21) is fixedly mounted on the bottom end of the square plate (20), the mounting sleeve (23) is fixedly mounted on the bottom end of the connecting rod (21), a marking pen (22) is arranged in the mounting sleeve (23) in a sliding mode, the marking pen (22) and the mounting sleeve (23) are fixed through the fastening bolt (24), and the fastening bolt (24) is in threaded connection with the mounting sleeve (23).
8. The equidistant marking device of steel reinforcement of claim 7, characterized in that: the middle part bilateral symmetry of sliding sleeve (17) is provided with locating component, the one end that locating component kept away from sliding sleeve (17) slides and sets up in constant head tank (25), constant head tank (25) are equipped with one hundred groups altogether, constant head tank (25) equipartition symmetry sets up in the middle part of the both sides of bar piece (18).
9. The equidistant marking device of steel bars as claimed in claim 5, wherein: elastic mechanism includes pull rod (11), slide (12) and first spring (13), pull rod (11) slide to set up on workstation (1) is close to one side of carousel (8), top fixed mounting pawl (10) of pull rod (11), first spring (13) are established to the fixed cover in upper portion of pull rod (11), the below of first spring (13) sets up slide (12), slide (12) slip cover is established on pull rod (11), first spring (13) and slide (12) all slide and set up in circular recess (14), circular recess (14) set up in workstation (1) one end that is close to carousel (8).
10. The equidistant marking device of steel reinforcement of claim 8, characterized in that: the positioning assembly comprises a steel ball (26) and a third spring (27), the steel ball (26) is movably embedded in one side of the middle of the sliding sleeve (17), one end, close to the strip-shaped block (18), of the steel ball (26) is slidably arranged in the positioning groove (25), the third spring (27) is arranged at one end, far away from the positioning groove (25), of the steel ball (26), the third spring (27) is slidably arranged in the circular groove (28), the circular grooves (28) are provided with two groups, and the circular grooves (28) are symmetrically arranged in two sides of the middle of the sliding sleeve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765331.6U CN215358407U (en) | 2021-07-30 | 2021-07-30 | Equidistant marking device for steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765331.6U CN215358407U (en) | 2021-07-30 | 2021-07-30 | Equidistant marking device for steel bars |
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| Publication Number | Publication Date |
|---|---|
| CN215358407U true CN215358407U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121765331.6U Active CN215358407U (en) | 2021-07-30 | 2021-07-30 | Equidistant marking device for steel bars |
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| Country | Link |
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| CN (1) | CN215358407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255951A (en) * | 2023-03-14 | 2023-06-13 | 耿克震 | Reinforcing bar on-spot detector for engineering management |
-
2021
- 2021-07-30 CN CN202121765331.6U patent/CN215358407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255951A (en) * | 2023-03-14 | 2023-06-13 | 耿克震 | Reinforcing bar on-spot detector for engineering management |
| CN116255951B (en) * | 2023-03-14 | 2024-04-26 | 广东才泓工程管理有限公司 | Reinforcing bar on-spot detector for engineering management |
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