Steel bar drawing detection device

Abstract

The invention discloses a reinforcing steel bar drawing detection device, and belongs to the technical field of post-anchored reinforcing steel bar detection, the reinforcing steel bar drawing detection device comprises a drawing mechanism arranged on the top of concrete and located on the outer side of a reinforcing steel bar, an adjusting seat located on the top of the concrete is arranged below the drawing mechanism, and the adjusting seat comprises a base and a supporting plate rotationally installed on the top of the base; one end of the supporting plate is connected to the top of the base through a hinge, the other end of the supporting plate is provided with a plurality of adjusting columns rotationally connected with the base, the outer sides of the adjusting columns are in threaded connection with adjusting nuts located at the top and the bottom of the supporting plate respectively, and the top of the supporting plate is fixedly connected with a supporting frame. Through arrangement of the adjusting seat, rotation of the adjusting column and fastening by using the adjusting nut, adjustment can be performed according to the size of an included angle between the reinforcing steel bar and concrete, so that the supporting plate is perpendicular to the reinforcing steel bar, the drawing mechanism applies axial force to the reinforcing steel bar, and the device can be suitable for drawing detection of the reinforcing steel bars at various angles; the accuracy of a detection result is improved.

Description

Technical Field

[0001] The invention relates to an anchor steel bar detection device, in particular to a steel bar pulling detection device, and belongs to the technical field of anchor steel bar detection. Background Art

[0002] In concrete post-anchoring projects, in order to determine the pull-out and shear resistance of post-anchors under the ultimate bearing capacity state and the normal use limit state, to ensure the construction quality of post-anchors for concrete and the safe use of related buildings, to ensure the construction quality of post-anchors for concrete and the safe use of related buildings, it is necessary to carry out on-site sampling inspection of the pull-out and shear resistance of post-anchors for concrete.

[0003] The existing steel bar pulling test device has the following problems: the existing pulling instrument is only applicable to vertical situations. When there are various angles between the steel bar and the concrete, the existing support seat cannot ensure that the support seat is perpendicular to the tested steel bar, so the pulling instrument cannot apply axial force to the steel bar, affecting the test results.

[0004] The present invention proposes a new solution to the above problems. Summary of the invention

[0005] The main purpose of the present invention is to solve the problem that the existing pulling instrument can only be used in vertical situations. When there are various angles between the steel bar and the concrete, the existing support seat cannot ensure that the support seat is perpendicular to the steel bar under test, so that the pulling instrument cannot apply axial force to the steel bar, affecting the test results. A steel bar pulling detection device is provided.

[0006] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0007] A steel bar pulling detection device comprises a pulling mechanism arranged on the top of concrete and located on the outside of the steel bar, an adjusting seat located on the top of the concrete is provided below the pulling mechanism, the adjusting seat comprises a base and a support plate rotatably installed on the top of the base, one end of the support plate is connected to the top of the base by a hinge, and the other end of the support plate is provided with a plurality of adjusting columns rotatably connected to the base, the outer side of the adjusting column is threadedly connected with adjusting nuts respectively located on the top and bottom of the support plate, the top of the support plate is fixedly connected to a support frame, and the pulling mechanism is installed above the support frame.

[0008] Preferably, the pulling mechanism includes a first anchor installed on a hydraulic cylinder and used to clamp the steel bar, one side of the hydraulic cylinder is connected to an oil pump via a high-pressure oil pipe, and a display screen is provided on the oil pump.

[0009] Preferably, a pad is installed between the pulling mechanism and the support frame.

[0010] Preferably, a displacement detection mechanism is provided between the support plate and the support frame, and the displacement detection mechanism comprises a second anchor clamped on the outside of the steel bar and two dial indicators respectively installed on both sides of the second anchor.

[0011] Preferably, the second anchor comprises a sleeve and clamping teeth installed on the inner side of the sleeve, and a mounting plate for mounting the dial indicator is fixedly connected to the outer wall of the sleeve.

[0012] Preferably, the four corners of the base are threadedly connected with a supporting mechanism, and the supporting mechanism includes a screw rod and a suction cup movably mounted on the bottom end of the screw rod.

[0013] Preferably, the bottom end of the screw rod is fixedly connected with a spherical connecting portion, and the top of the suction cup is fixedly connected with a ball groove support that cooperates with the spherical connecting portion.

[0014] Preferably, square grooves are provided in the middle of the base and the support plate, and an adjustment groove cooperating with the adjustment column is provided on the support plate.

[0015] Preferably, a plurality of mounting grooves are provided on the top of the base, a mounting hole penetrating the mounting grooves is provided on one side of the base, a rotating rod is installed inside the mounting hole, and a rotating hole rotatably matched with the rotating rod is provided at the bottom of the adjusting column.

[0016] Preferably, an angle ruler located at one side of the support plate is fixedly connected to the top of the base, an arc groove is provided on the angle ruler, and a pointer cooperating with the arc groove is fixedly connected to the side wall of the support plate.

[0017] Beneficial technical effects of the present invention: According to the steel bar pulling detection device of the present invention, by setting the adjustment seat, rotating the adjustment column, and using the adjustment nut for tightening, it can be adjusted according to the size of the angle between the steel bar and the concrete, so that the support plate is perpendicular to the steel bar, so that the pulling mechanism applies axial force to the steel bar, which can be suitable for steel bar pulling detection at various angles and improve the accuracy of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment provided according to the present invention;

[0019] Figure 2 A cross-sectional view of the overall structure of a preferred embodiment provided according to the present invention;

[0020] Figure 3 A schematic diagram of the structure of an adjustment seat according to a preferred embodiment of the present invention;

[0021] Figure 4A disassembled diagram of the adjustment seat structure according to a preferred embodiment of the present invention;

[0022] Figure 5 A schematic diagram of the structure of a drawing mechanism according to a preferred embodiment of the present invention;

[0023] Figure 6 The figure is a disassembled diagram of the drawing mechanism structure according to a preferred embodiment of the present invention.

[0024] In the figure: 1. concrete; 2. steel bar; 3. pulling mechanism; 4. adjusting seat; 5. base; 6. support plate; 7. adjusting column; 8. adjusting nut; 9. support frame; 10. hydraulic cylinder; 11. first anchor; 12. high-pressure oil pipe; 13. oil pump; 14. display screen; 15. pad; 16. displacement detection mechanism; 17. second anchor; 18. dial indicator; 171. sleeve; 172. clamping teeth; 173. mounting plate; 19. supporting mechanism; 20. screw; 21. suction cup; 22. spherical connecting part; 23. ball groove support; 24. square groove; 25. mounting groove; 26. mounting hole; 27. rotating rod; 28. rotating hole; 29. ​​adjusting groove; 30. angle ruler; 31. arc groove; 32. pointer. DETAILED DESCRIPTION

[0025] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0026] like Figure 1-Figure 6 As shown, the steel bar pulling detection device provided in this embodiment includes a pulling mechanism 3 arranged on the top of concrete 1 and located on the outside of steel bar 2, an adjustment seat 4 located on the top of concrete 1 is arranged below the pulling mechanism 3, the adjustment seat 4 includes a base 5 and a support plate 6 rotatably mounted on the top of the base 5, one end of the support plate 6 is connected to the top of the base 5 by a hinge, and the other end of the support plate 6 is provided with a plurality of adjustment columns 7 rotatably connected to the base 5, the outer side of the adjustment column 7 is threadedly connected with an adjustment nut 8 located at the top and bottom of the support plate 6 respectively, the top of the support plate 6 is fixedly connected with a support frame 9, and the pulling mechanism 3 is installed above the support frame 9. Through the setting of the adjustment seat 4, the adjustment column 7 is rotated, and the adjustment nut 8 is used to tighten, and it can be adjusted according to the size of the angle between the steel bar 2 and the concrete 1, so that the support plate 6 is perpendicular to the steel bar 2, so that the pulling mechanism 3 applies an axial force to the steel bar 2, which can be applicable to the pulling detection of steel bars 2 at various angles, and improve the accuracy of the detection results.

[0027] In this embodiment, if Figure 1 , Figure 5 and Figure 6As shown, the pulling mechanism 3 includes a first anchor 11 installed on a hydraulic cylinder 10 and used to clamp the steel bar 2. One side of the hydraulic cylinder 10 is connected to an oil pump 13 through a high-pressure oil pipe 12. A display screen 14 is provided on the oil pump 13. A pad 15 is installed between the pulling mechanism 3 and the support frame 9. The steel bar is clamped by the first anchor 11, and the oil pump 13 is used to supply oil to the hydraulic cylinder 10 for pulling detection. The display screen 14 can display the magnitude of the applied force, which is simple and clear.

[0028] In this embodiment, if Figure 1 , Figure 5 and Figure 6 As shown, a displacement detection mechanism 16 is provided between the support plate 6 and the support frame 9. The displacement detection mechanism 16 includes a second anchor 17 clamped on the outside of the steel bar 2 and two dial indicators 18 respectively installed on both sides of the second anchor 17. The second anchor 17 includes a sleeve 171 and a clamping tooth 172 installed on the inside of the sleeve 171. A mounting plate 173 for mounting the dial indicator 18 is fixedly connected to the outer wall of the sleeve 171. Through the setting of the displacement detection mechanism 16, the dial indicator 18 is a Chengliang brand. When in use, the bottom end of the dial indicator 18 contacts the support plate 6, and can measure the displacement generated during the drawing process.

[0029] In this embodiment, if Figure 1 , Figure 3 and Figure 4 As shown, the four corners of the base 5 are threadedly connected with a support mechanism 19, the support mechanism 19 includes a screw rod 20 and a suction cup 21 movably mounted at the bottom end of the screw rod 20, the bottom end of the screw rod 20 is fixedly connected with a spherical connection part 22, and the top of the suction cup 21 is fixedly connected with a ball groove support 23 that cooperates with the spherical connection part 22. Through the arrangement of the support mechanism 19, it can be applied to uneven concrete surfaces and improve the accuracy of measurement.

[0030] In this embodiment, if Figure 1 , Figure 3 and Figure 4 As shown, a square groove 24 is provided in the middle of the base 5 and the support plate 6, an adjustment groove 29 is provided on the support plate 6 to cooperate with the adjustment column 7, a plurality of mounting grooves 25 are provided on the top of the base 5, a mounting hole 26 penetrating the mounting groove 25 is provided on one side of the base 5, a rotating rod 27 is installed inside the mounting hole 26, and a rotating hole 28 is provided at the bottom of the adjustment column 7 to cooperate with the rotating rod 27. The installation groove 25 will not interfere with the clamping of the steel bar 2, and the adjustment groove 29 can be used to adjust the support plate 6 and the base 5 at different angles.

[0031] In this embodiment, if Figure 1 , Figure 3 and Figure 4As shown, the top of the base 5 is fixedly connected to an angle ruler 30 located on one side of the support plate 6, an arc groove 31 is provided on the angle ruler 30, and a pointer 32 matched with the arc groove 31 is fixedly connected to the side wall of the support plate 6. Through the arrangement of the angle ruler 30 and the pointer 32, it is convenient to adjust the angle between the support plate 6 and the base 5 according to the angle between the steel bar 2 and the concrete 1.

[0032] In this embodiment, if Figure 1-Figure 6 As shown, the working process of a steel bar pulling detection device provided in this embodiment is as follows:

[0033] Step 1: Use a portable angle ruler to measure the angle between the steel bar 2 and the concrete 1, then install the adjustment seat 4 on the outside of the steel bar 2, use the support mechanism 19 to absorb the concrete surface, turn the adjustment nuts 8 on the upper and lower sides of the adjustment column 7, and lock the angle ruler 30 and the pointer 32 after they reach the measured angle;

[0034] Step 2: Install the displacement detection mechanism 16, and make the bottom end of the dial gauge 18 contact the support plate 6, and adjust to zero, then install the pad 15, the hydraulic cylinder 10 and the first anchor 11 in sequence, and use the high-pressure oil pipe 12 to connect the oil pump 13 and the hydraulic cylinder 10;

[0035] Step 3: Start the oil pump 13 to pull, and record the data on the display screen 14 and the dial indicator 18 at the same time.

[0036] The above description is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. A steel bar pulling detection device, comprising a pulling mechanism (3) arranged on top of concrete (1) and located outside the steel bar (2), characterized in that: An adjustment seat (4) located at the top of the concrete (1) is provided below the pulling mechanism (3), and the adjustment seat (4) comprises a base (5) and a support plate (6) rotatably mounted on the top of the base (5), one end of the support plate (6) is connected to the top of the base (5) by a hinge, and the other end of the support plate (6) is provided with a plurality of adjustment columns (7) rotatably connected to the base (5), and the outer sides of the adjustment columns (7) are threadedly connected to adjustment nuts (8) located at the top and bottom of the support plate (6), respectively, and the top of the support plate (6) is fixedly connected to a support frame (9), and the pulling mechanism (3) is mounted above the support frame (9).

2. A steel bar pulling detection device as claimed in claim 1, characterized in that: The pulling mechanism (3) comprises a first anchor (11) installed on a hydraulic cylinder (10) and used to clamp the steel bar (2); one side of the hydraulic cylinder (10) is connected to an oil pump (13) via a high-pressure oil pipe (12); and a display screen (14) is provided on the oil pump (13).

3. A steel bar pulling detection device as claimed in claim 1, characterized in that: A pad (15) is installed between the pulling mechanism (3) and the support frame (9).

4. A steel bar pulling detection device as claimed in claim 1, characterized in that: A displacement detection mechanism (16) is provided between the support plate (6) and the support frame (9), and the displacement detection mechanism (16) comprises a second anchor (17) clamped on the outside of the steel bar (2) and two dial indicators (18) respectively installed on both sides of the second anchor (17).

5. A steel bar pulling detection device as claimed in claim 4, characterized in that: The second anchor (17) comprises a sleeve (171) and a clamping tooth (172) mounted on the inner side of the sleeve (171); a mounting plate (173) for mounting the dial indicator (18) is fixedly connected to the outer wall of the sleeve (171).

6. A steel bar pulling detection device as claimed in claim 1, characterized in that: The four corners of the base (5) are threadedly connected to a support mechanism (19), and the support mechanism (19) comprises a screw rod (20) and a suction cup (21) movably mounted on the bottom end of the screw rod (20).

7. A steel bar pulling detection device as claimed in claim 6, characterized in that: The bottom end of the screw rod (20) is fixedly connected with a spherical connection part (22), and the top of the suction cup (21) is fixedly connected with a ball groove support (23) matched with the spherical connection part (22).

8. A steel bar pulling detection device as claimed in claim 1, characterized in that: A square groove (24) is provided in the middle of the base (5) and the support plate (6), and an adjustment groove (29) cooperating with the adjustment column (7) is provided on the support plate (6).

9. A steel bar pulling detection device as claimed in claim 1, characterized in that: A plurality of mounting grooves (25) are provided on the top of the base (5), a mounting hole (26) penetrating the mounting grooves (25) is provided on one side of the base (5), a rotating rod (27) is installed inside the mounting hole (26), and a rotating hole (28) rotatably matched with the rotating rod (27) is provided at the bottom of the adjusting column (7).

10. A steel bar pulling detection device according to claim 1, characterized in that: The top of the base (5) is fixedly connected to an angle ruler (30) located on one side of the support plate (6), an arc-shaped groove (31) is provided on the angle ruler (30), and a pointer (32) matching the arc-shaped groove (31) is fixedly connected to the side wall of the support plate (6).

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