Reinforcing steel bar strength detection clamp
By designing a movable column and limiting bolt structure, the problem of the support surface tilting due to the upturning of both ends of the rebar in the rebar testing fixture was solved, which improved the testing accuracy and simplified the mold replacement process, thus realizing the reliability and convenience of rebar strength testing.
Patent Information
- Application Number
- CN202520004994.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-02
AI Technical Summary
When performing bending tests, the ends of existing rebar testing fixtures tend to lift up, causing the support surface to tilt and affecting the accuracy of the test data.
A steel bar strength testing fixture was designed. The fixture moves within an arc-shaped groove via a movable column and rotating cylinder structure. With the help of limit bolts and a disassembly mechanism, the support positions at both ends of the steel bar are kept stable to prevent bending. Combined with a telescopic rod and a U-shaped fixing frame, the extrusion die can be easily replaced.
This improves the accuracy of data in the bending resistance test of reinforcing bars and simplifies the process of changing extrusion dies, ensuring the reliability and convenience of the test.
Smart Images
Figure CN223756470U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reinforcing steel bar strength detection fixture and relates to the technical field of reinforcing steel bar strength detection. BACKGROUND
[0002] Concrete has strong compressive strength but weak tensile strength, and reinforcing steel bars have excellent tensile properties, so that the combination of reinforcing steel bars and concrete can compensate for the deficiency of concrete in terms of tensile strength and greatly improve the overall tensile strength of the structure.
[0003] The strength of reinforcing steel bars is one of the key indicators for the quality of a project to meet the standards, and detection can verify whether the reinforcing steel bars meet the relevant standards and design requirements, so as to avoid the use of unqualified reinforcing steel bars to affect the overall quality of the project.
[0004] The existing reinforcing steel bar detection fixture usually fixes the two ends of the reinforcing steel bar on the support frame through bolts when detecting the bending strength of the reinforcing steel bar, and then extrudes and bends the middle section of the reinforcing steel bar, but in the process of bending the reinforcing steel bar, the two ends of the reinforcing steel bar are prone to upward tilting, which causes the supporting surface of the two ends of the reinforcing steel bar to tilt upward, the supporting point to slide, the supporting surface to decrease, and the supporting position of the two ends of the reinforcing steel bar to bend, which affects the accuracy of the reinforcing steel bar bending detection data. SUMMARY
[0005] In order to make up for the above shortcomings, the utility model provides a reinforcing steel bar strength detection fixture, which aims to improve the problem in the prior art that in the process of bending the reinforcing steel bar, the two ends of the reinforcing steel bar are prone to upward tilting, which causes the supporting surface of the two ends of the reinforcing steel bar to tilt upward, the supporting point to slide, the supporting surface to decrease, and the supporting position of the two ends of the reinforcing steel bar to bend, which affects the accuracy of the reinforcing steel bar bending detection data.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a reinforcing steel strength detection clamp, including the base, the top left and right sides of base are fixedly connected with test fulcrum, the top rear side of base is fixedly connected with fixed plate, the front side both ends of fixed plate are all set up arc slot, the inside of two arc slots are all slidably connected with mobile column, the front end of two mobile columns are all rotatably connected with U-shaped board, the inside front and back of U-shaped board are all set up sliding slot, the inside of multiple sliding slots are all slidably connected with corresponding mobile rod, the bottom of U-shaped board is fixedly connected with fixed rod, the outer wall of multiple mobile rods and fixed rod are rotatably connected with rotary drum, the adjacent side of two U-shaped boards is all fixedly connected with U-shaped clamping plate, the front side of U-shaped clamping plate is set up multiple limit hole at equidistance, the adjacent side of two mobile rods is all fixedly connected with limit plate, the front side of the adjacent end of two limit plates is set up clamping hole, the front side of U-shaped clamping plate is rotatably connected with limit bolt, the rear end of limit bolt is in turn through limit hole and clamping hole, the upside of base is provided with dismounting mechanism, and the dismounting mechanism is used to replace extrusion equipment.
[0007] As a further description of the above technical solution:
[0008] The dismounting mechanism includes a U-shaped frame, the U-shaped frame is fixedly connected to the top left and right sides of the base, the inner top of the U-shaped frame is fixedly connected with a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a U-shaped fixing frame, the inside of the U-shaped fixing frame is slidably connected with an extrusion die, the front ends of the U-shaped fixing frame and the extrusion die are both provided with a insertion hole, the inside of the insertion hole is slidably connected with a corresponding limiting block, the front side of the extrusion die is fixedly connected with a horizontal plate, the front end top of the two limiting blocks is rotatably connected with a rotating bolt, the bottom end of the two rotating bolts is both threaded through the corresponding limiting block and bolted to the top of the horizontal plate.
[0009] As a further description of the above technical solution:
[0010] The front side of the base is fixedly connected with a switch, and the switch is electrically connected with the telescopic rod.
[0011] As a further description of the above technical solution:
[0012] The outside of the switch is provided with a protective cover, and the rear right end of the protective cover is rotatably connected with the front side of the base.
[0013] As a further description of the above technical solution:
[0014] The front and back sides of both ends of the U-shaped frame are fixedly connected with triangular support frames, and the bottoms of the multiple triangular support frames are fixedly connected to the top of the base.
[0015] As a further description of the above technical solution:
[0016] The front and rear ends of the two moving columns are fixedly connected with sliding blocks, and one side of the plurality of sliding blocks is slidably connected to one side of a fixed plate.
[0017] As a further description of the above technical solution:
[0018] The U-shaped fixing frame and the front side of the extrusion die are both provided with a bushing, and the size of the bushing is consistent with the size of the limiting block.
[0019] As a further description of the above technical solution:
[0020] The front side of the U-shaped clamping plate is provided with a plurality of limiting holes at equal intervals, the front side of the limiting plate is provided with a clamping hole, and the size of the limiting hole is consistent with the size of the clamping hole.
[0021] The utility model has the advantages of the following beneficial effects:
[0022] 1、The utility model discloses a reinforcing steel bar strength detection clamp, which comprises a fixed plate, a moving column, a sliding block, a limiting block, a bushing, a limiting plate, a clamping hole, a limiting hole and a rotating bolt.
[0023] 2、The utility model discloses a reinforcing steel bar strength detection clamp, which comprises a fixed plate, a moving column, a sliding block, a limiting block, a bushing, a limiting plate, a clamping hole, a limiting hole and a rotating bolt. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A reinforcing steel bar strength detection clamp is provided.
[0025] Figure 2 A reinforcing steel bar strength detection clamp is provided.
[0026] Figure 3 A reinforcing steel bar strength detection clamp is provided.
[0027] LEGEND:
[0028] 1, base; 2, dismounting mechanism; 201, U-shaped frame; 202, telescopic rod; 203, U-shaped fixing frame; 204, extrusion die; 205, jack; 206, limiting block; 207, horizontal plate; 208, rotating bolt; 3, test fulcrum; 4, fixed plate; 5, arc-shaped groove; 6, moving column; 7, U-shaped plate; 8, sliding groove; 9, moving rod; 10, fixed rod; 11, rotating drum; 12, U-shaped clamping plate; 13, limiting hole; 14, limiting plate; 15, clamping hole; 16, limiting bolt; 17, switch; 18, protective cover; 19, triangular support frame; 20, sliding block. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0030] With reference to Figure 1 and Figure 2 , the utility model provides an embodiment: a kind of steel strength detection clamp, the top left side of base 1 is fixedly connected with test fulcrum 3, the top rear side of base 1 is fixedly connected with fixed plate 4, the front side of fixed plate 4 both ends is opened and is equipped with arc-shaped groove 5, the inside of two arc-shaped grooves 5 is slidably connected with moving column 6, the front end of two moving columns 6 is rotatably connected with U-shaped plate 7, the inside of U-shaped plate 7 front and rear side is equipped with sliding groove 8, the inside of multiple sliding grooves 8 is slidably connected with corresponding moving rod 9, the bottom of U-shaped plate 7 is fixedly connected with fixed rod 10, and the outer wall of multiple moving rods 9 and fixed rod 10 is rotatably connected with rotating drum 11, the adjacent side of two U-shaped plates 7 is fixedly connected with U-shaped clamping plate 12, multiple limiting holes 13 are equidistantly arranged on the front side of U-shaped clamping plate 12, the adjacent side of two moving rods 9 is fixedly connected with limiting plate 14, and clamping hole 15 is arranged on the front side of the adjacent end of two limiting plates 14, limiting bolt 16 is rotatably connected on the front side of U-shaped clamping plate 12, the rear end of limiting bolt 16 is sequentially penetrated limiting hole 13 and clamping hole 15, and the upper side of base 1 is provided with dismounting mechanism 2, and dismounting mechanism 2 is used to replace extrusion equipment;
[0031] Specific, first need to pass the steel bar through the U-shaped plate 7, and placed on the test fulcrum 3, then by moving the moving rod 9, accurate clamping operation on the steel bar, by rotating the limiting bolt 16, make it in turn through the corresponding limiting hole 13 and card hole 15, so as to realize the stable fixation of the moving rod 9, start to extrude the middle section of the steel bar, at this time the two ends of the steel bar will present the upward buckling state, in this process, the moving column 6 will move in the arc-shaped groove 5, at the same time, the rotating drum 11 of the moving rod 9 and the fixed rod 10 outer wall will also rotate, and then drive the U-shaped plate 7 to rotate, so that the support position of the two ends of the steel bar will not be bent, thereby improving the accuracy of the steel bending resistance detection data.
[0032] With reference to Figure 1 and Figure 3 , the dismounting mechanism 2 comprises a U-shaped frame 201 fixedly connected to the top left and right sides of the base 1, the inner top of the U-shaped frame 201 is fixedly connected with a telescopic rod 202, the bottom end of the telescopic rod 202 is fixedly connected with a U-shaped fixing frame 203, the inside of the U-shaped fixing frame 203 is slidingly connected with an extrusion die 204, the front sides of the U-shaped fixing frame 203 and the extrusion die 204 are both provided with a bushing 205, the inside of the bushing 205 is slidingly connected with a corresponding limiting block 206, the front side of the extrusion die 204 is fixedly connected with a horizontal plate 207, the top of the front end of each of the two limiting blocks 206 is rotatably connected with a rotating bolt 208, the bottom end of each of the two rotating bolts 208 penetrates through the corresponding limiting block 206 and is boltedly connected to the top of the horizontal plate 207.
[0033] Specifically, first, the switch 17 needs to be started to push the U-shaped fixing frame 203, so that the extrusion die 204 can extrude the steel bar, when the extrusion die 204 needs to be replaced or dismounted, the rotating bolt 208 should be rotated first to release the constraint of the limiting block 206, then the limiting block 206 is pulled out to cancel the fixation of the extrusion die 204, so that the extrusion die 204 can be replaced, which is relatively simple when dismounting and convenient for workers to replace and maintain the extrusion die 204.
[0034] With reference to Figure 1 and Figure 3 , the front side of the base 1 is fixedly connected with a switch 17, the switch 17 is electrically connected with the telescopic rod 202, the outside of the switch 17 is provided with a protective cover 18, the rear side right end of the protective cover 18 is rotatably connected with the front side of the base 1, the front sides of the U-shaped fixing frame 203 and the extrusion die 204 are both provided with a bushing 205, the size of the bushing 205 is consistent with the size of the limiting block 206.
[0035] Specifically, the switch 17 can freely control the working of the telescopic rod 202, the protective cover 18 can prevent the switch 17 from being touched by mistake, and the size of the insertion hole 205 is consistent with that of the limiting block 206, so that the fixing is more stable and no shaking occurs.
[0036] With reference to Figure 1 And Figure 2 Both ends of the U-shaped frame 201 are fixedly connected with triangular support frames 19, the bottom of the triangular support frames 19 is fixedly connected to the top of the base 1, the front and rear ends of the two moving columns 6 are fixedly connected with sliding blocks 20, one side of the sliding blocks 20 is slidingly connected to one side of the fixed plate 4, a plurality of limiting holes 13 are equidistantly formed in the front side of the U-shaped clamping plate 12, a clamping hole 15 is formed in the front side of the limiting plate 14, and the size of the limiting hole 13 is consistent with that of the clamping hole 15.
[0037] Specifically, the triangular support frames 19 can make the U-shaped frame 201 more stable, the sliding blocks 20 can make the moving columns 6 move more stably in the arc-shaped groove 5, and the clamping hole 15 and the limiting hole 13 have the same size, so that the fixing is more stable.
[0038] Working principle: when the steel strength detection clamp is used, the steel bar needs to be placed on the test fulcrum 3 through the U-shaped plate 7, at this time, the moving rod 9 is moved to clamp the steel bar, and the limiting bolt 16 is rotated to sequentially penetrate the corresponding limiting hole 13 and the clamping hole 15 to fix the moving rod 9, at this time, the middle section of the steel bar is extruded and bent, the two ends of the steel bar are raised upward, the moving column 6 moves in the arc-shaped groove 5, and the rotating cylinder 11 on the outer wall of the moving rod 9 and the fixed rod 10 rotates, so that the U-shaped plate 7 rotates.
[0039] When it is necessary to replace or disassemble the extrusion die 204, the limiting of the limiting block 206 is cancelled by rotating the rotating bolt 208, at this time, the limiting block 206 is pulled out to cancel the limiting of the extrusion die 204, and the extrusion die 204 is replaced.
[0040] Finally, it should be noted that: the above description is only preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A reinforcement strength detection jig comprising a base (1), characterized in that: The top left and right sides of the base (1) are fixedly connected with test fulcrums (3), the top rear side of the base (1) is fixedly connected with a fixed plate (4), the front sides of the two ends of the fixed plate (4) are both provided with arc-shaped grooves (5), the interiors of the two arc-shaped grooves (5) are both slidably connected with moving columns (6), the front ends of the two moving columns (6) are both rotatably connected with U-shaped plates (7), the interiors of the front and rear sides of the U-shaped plates (7) are both provided with sliding grooves (8), the interiors of the plurality of sliding grooves (8) are all slidably connected with corresponding moving rods (9), the bottom of the U-shaped plate (7) is fixedly connected with a fixed rod (10), the outer walls of the plurality of moving rods (9) and the fixed rod (10) are all rotatably connected with rotating cylinders (11), the adjacent sides of the two U-shaped plates (7) are both fixedly connected with U-shaped clamping plates (12), a plurality of limiting holes (13) are equidistantly provided on the front side of the U-shaped clamping plate (12), the adjacent sides of the two moving rods (9) are both fixedly connected with limiting plates (14), the front sides of the adjacent ends of the two limiting plates (14) are both provided with clamping holes (15), the front side of the U-shaped clamping plate (12) is rotatably connected with a limiting bolt (16), the rear end of the limiting bolt (16) penetrates the limiting holes (13) and the clamping holes (15) in sequence, the upper side of the base (1) is provided with a dismounting mechanism (2), and the dismounting mechanism (2) is used for replacing the extrusion equipment.
2. A steel strength detection clamp according to claim 1, characterized in that: The dismounting mechanism (2) comprises a U-shaped frame (201), the U-shaped frame (201) is fixedly connected to the top left and right sides of the base (1), the inner top of the U-shaped frame (201) is fixedly connected with a telescopic rod (202), the bottom end of the telescopic rod (202) is fixedly connected with a U-shaped fixing frame (203), the interior of the U-shaped fixing frame (203) is slidably connected with an extrusion die (204), the front sides of the U-shaped fixing frame (203) and the extrusion die (204) are both provided with insertion holes (205), the interiors of the insertion holes (205) are all slidably connected with corresponding limiting blocks (206), the front side of the extrusion die (204) is fixedly connected with a horizontal plate (207), the front ends of the two limiting blocks (206) are both rotatably connected with rotating bolts (208), and the bottom ends of the two rotating bolts (208) both penetrate the corresponding limiting blocks (206) and are boltedly connected to the top of the horizontal plate (207).
3. The steel strength detection clamp according to claim 1, characterized in that: The front side of the base (1) is fixedly connected with a switch (17), and the switch (17) is electrically connected with the telescopic rod (202).
4. A steel strength detection clamp according to claim 3, characterized in that: The outer side of the switch (17) is provided with a protective cover (18), and the rear right end of the protective cover (18) is rotatably connected with the front side of the base (1).
5. The steel strength detection clamp of claim 2, wherein: The front and rear sides of the two ends of the U-shaped frame (201) are both fixedly connected with triangular supporting frames (19), and the bottoms of the plurality of triangular supporting frames (19) are all fixedly connected to the top of the base (1).
6. A reinforcing bar strength detection clamp according to claim 1, wherein: The front and rear ends of the two moving columns (6) are both fixedly connected with sliding blocks (20), and one side of the plurality of sliding blocks (20) is all slidably connected to one side of the fixed plate (4).
7. A steel strength detection clamp according to claim 2, characterized in that: U-shaped fixing frame (203) and the front side of extrusion die (204) are provided with insertion hole (205), the size of insertion hole (205) is consistent with the size of limiting block (206).
8. The steel strength detection clamp of claim 1, wherein: The front side of the U-shaped clamping plate (12) is provided with a plurality of limiting holes (13) at equal intervals, and the front side of the limiting plate (14) is provided with a clamping hole (15), the size of the limiting hole (13) is consistent with the size of the clamping hole (15).