CN216284728U - Shear resistance detection device of construction steel bar - Google Patents
Shear resistance detection device of construction steel bar Download PDFInfo
- Publication number
- CN216284728U CN216284728U CN202122894220.1U CN202122894220U CN216284728U CN 216284728 U CN216284728 U CN 216284728U CN 202122894220 U CN202122894220 U CN 202122894220U CN 216284728 U CN216284728 U CN 216284728U
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- Prior art keywords
- lead screw
- centre gripping
- base
- air cavity
- clamping assembly
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a shear resistance detection device for construction steel bars, which comprises a base, wherein a first clamping assembly, a second clamping assembly and a shear resistance detection assembly are arranged on the base, the first clamping assembly and the second clamping assembly are respectively positioned on two sides of the upper surface of the base and are in sliding connection with the base, the first clamping assembly and the second clamping assembly are identical in structure and are symmetrically arranged, the steel bars to be detected are arranged between the first clamping assembly and the second clamping assembly, and the number of the shear resistance detection assemblies is two. According to the utility model, the first clamping assembly and the second clamping assembly are arranged, so that the first clamping assembly and the second clamping assembly can move oppositely, the two ends of the steel bar to be detected are abutted against the movable plate, and meanwhile, the two clamping blocks are closed to clamp and fix the steel bar, so that the stability of fixing the steel bar can be increased, the stability of shear resistance detection is ensured, and the use is convenient.
Description
Technical Field
The utility model relates to the technical field related to steel bar quality detection, in particular to a shear resistance detection device for construction steel bars.
Background
The reinforcing steel bar is steel for reinforced concrete and prestressed reinforced concrete, and the cross section of the reinforcing steel bar is circular or square with round corners. Including plain round steel bar, ribbed steel bar, torsion bar etc. in the building trade, the reinforcing bar is an indispensable building materials, and the reinforcing bar needs detect its resistance to shear in process of production to judge the intensity of reinforcing bar.
Current shear resistance detection device is not convenient for carry out quick fixation to the reinforcing bar in the use, and monolithic stationary stability is not high, carries out the shear resistance testing process, takes place to rock easily or drop to influence and detect the precision, also be convenient for carry out the centre gripping simultaneously to the reinforcing bar of different length and diameter size fixedly, need improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shear resistance detection device for a construction steel bar, so as to solve at least one technical problem.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a construction steel bar's shear resistance detection device, includes the base, be equipped with first centre gripping subassembly, second centre gripping subassembly and shear resistance detection subassembly on the base, first centre gripping subassembly, second centre gripping subassembly be located base upper surface both sides respectively and with base sliding connection, first centre gripping subassembly, second centre gripping subassembly structure are the same and the symmetry sets up, be equipped with the reinforcing bar that awaits measuring between first centre gripping subassembly, the second centre gripping subassembly, the shear resistance detection subassembly is equipped with two, and two shear resistance detection subassemblies install in the base upper end and crisscross setting respectively in the reinforcing bar both sides that await measuring.
Preferably, the first clamping assembly comprises an air cavity and two clamping jaws, the air cavity is slidably mounted on the base, one ends of the two clamping jaws are movably connected with two sides of the air cavity respectively, one ends of the two clamping jaws are provided with clamping blocks oppositely, the clamping blocks are provided with arc-shaped grooves, and rubber pads are arranged in the arc-shaped grooves.
Preferably, a piston plate is arranged inside the air cavity, a piston rod is fixedly connected to the surface of one side of the piston plate, one end of the piston rod penetrates through a limiting plate arranged inside the air cavity and extends to the outside of the air cavity, a movable plate is fixedly connected to one end, located outside the air cavity, of the piston rod, two traction rods are movably connected to two sides of the movable plate, and one ends of the two traction rods are movably connected to the side walls of the two clamping claws respectively.
Preferably, a return spring is arranged in the air cavity, one end of the return spring is fixedly connected with the surface of one side of the piston plate, and an air inlet and outlet hole is formed in one side wall of the air cavity.
Preferably, the base is internally installed with a first lead screw and a second lead screw in a rotating manner, the grains on the first lead screw and the second lead screw are reversely arranged, the first lead screw is fixedly connected with the second lead screw at one end of the first lead screw, lead screw nuts are arranged on the first lead screw and the second lead screw, the top ends of the lead screw nuts are fixedly connected with the bottom ends of the first clamping assembly and the second clamping assembly respectively through connecting blocks, a driving motor is arranged on one side wall of the base, and an output shaft of the driving motor is fixedly connected with one end of the second lead screw.
Preferably, the anti-shearing force detection assembly comprises an air cylinder and a push plate, the extending end of the air cylinder is fixedly connected with the push plate, and the push plate is provided with a shearing force sensor.
The utility model has the beneficial effects that:
1. according to the utility model, through arranging the first clamping assembly and the second clamping assembly, a steel bar to be detected can be placed between the first clamping assembly and the second clamping assembly, then the first clamping assembly and the second clamping assembly can move oppositely, so that two ends of the steel bar to be detected are abutted against the movable plate, the movable plate can be pushed to move, when the movable plate moves, the traction angle of the traction rod is changed, so that the traction rod can be used for pulling the two clamping jaws to be closed, two clamping blocks can be closed to clamp and fix the steel bar, meanwhile, the movable plates on the first clamping assembly and the second clamping assembly can be abutted against two ends of the steel bar, the stability of fixing the steel bar is further increased, the stability of shear resistance detection is ensured, and the use is convenient.
2. According to the utility model, the first clamping assembly and the second clamping assembly are connected with the base in a sliding manner, so that reinforcing steel bars with different lengths can be fixed conveniently, and meanwhile, reinforcing steel bars with different diameters can be clamped, and the steel bar clamping device has the advantages of good flexibility, high stability and convenience in use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the base of the present invention;
FIG. 3 is a schematic view of the structure of part A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a clamping block structure according to the present invention;
reference numerals: 1. a base; 2. a first clamping assembly; 3. a second clamping assembly; 4. a drive motor; 5. a first lead screw; 6. a second lead screw; 7. a feed screw nut; 8. connecting blocks; 9. a cylinder; 10. pushing the plate; 11. a shear force sensor; 12. a shear resistant detection assembly; 13. reinforcing steel bars to be detected; 14. an air cavity; 15. a gripper jaw; 16. a clamping block; 17. a draw bar; 18. a movable plate; 19. a piston rod; 20. a return spring; 21. air inlet and outlet holes; 22. a piston plate; 23. a limiting plate; 24. and (7) a rubber pad.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Examples
As shown in fig. 1-4, a shear resistance detection device for construction steel bars comprises a base 1, wherein a first clamping assembly 2, a second clamping assembly 3 and a shear resistance detection assembly 12 are arranged on the base 1, the first clamping assembly 2 and the second clamping assembly 3 are respectively located on two sides of the upper surface of the base 1 and are in sliding connection with the base 1, the first clamping assembly 2 and the second clamping assembly 3 are identical in structure and are symmetrically arranged, steel bars 13 to be detected are arranged between the first clamping assembly 2 and the second clamping assembly 3, the two shear resistance detection assemblies 12 are arranged, and the two shear resistance detection assemblies 12 are arranged at the upper end of the base 1 and are respectively arranged on two sides of the steel bars 13 to be detected in a staggered manner.
In this embodiment, it is concrete, first centre gripping subassembly 2 includes air cavity 14 and two gripper jaws 15, air cavity 14 slidable mounting is on base 1, two gripper jaw 15 one ends respectively with 14 both sides swing joint of air cavity, two gripper jaw 15 one ends are equipped with grip block 16 relatively, the arc wall has been seted up on the grip block 16, and be equipped with rubber pad 24 in the arc wall, can utilize two gripper jaw 15 open and close the distance between two grip block 16 of control, thereby control opening and closing of two centre grippings 16, be convenient for carry out the centre gripping to the reinforcing bar of different diameters size fixed.
In this embodiment, specifically, a piston plate 22 is arranged inside the air cavity 14, a piston rod 19 is fixedly connected to a surface of one side of the piston plate 22, one end of the piston rod 19 penetrates through a limiting plate 23 arranged inside the air cavity 14 and extends to the outside of the air cavity 14, a movable plate 18 is fixedly connected to one end of the piston rod 19 located outside the air cavity 14, two sides of the movable plate 18 are both movably connected with traction rods 17, one ends of the two traction rods 17 are respectively movably connected with side walls of the two clamping jaws 15, and the to-be-detected steel bars 13 can be abutted against the movable plate 18 to push the movable plate 18 to move, the movable plate 18 can push the piston rod 19 to move while moving, so that the movable plate 18 can be used to move to control the traction angle of the traction rods 17 to change, and the traction rods 17 can be used to pull the two clamping jaws 15 to be closed.
In this embodiment, specifically, the inside of the air cavity 14 is provided with the return spring 20, one end of the return spring 20 is fixedly connected with one side surface of the piston plate 22, and one side wall of the air cavity 14 is provided with the air inlet/outlet hole 21, so that when the piston plate 22 is extruded to move, the air inside the air cavity 14 can be discharged through the air inlet/outlet hole 21, and meanwhile, the return spring 20 is compressed, and when the piston plate 22 is in a non-pressure state, the return spring 20 can push the piston plate 22 to move and reset through elasticity.
In this embodiment, specifically, a first lead screw 5 and a second lead screw 6 are rotatably installed inside the base 1, the lines on the first lead screw 5 and the second lead screw 6 are arranged in opposite directions, and one end of the first lead screw 5 is fixedly connected with the second lead screw 6, the first lead screw 5 and the second lead screw 6 are both provided with lead screw nuts 7, the top ends of the two lead screw nuts 7 are respectively and fixedly connected with the bottom ends of the first clamping assembly 2 and the second clamping assembly 3 through a connecting block 8, a driving motor 4 is arranged on one side wall of the base 1, an output shaft of the driving motor 4 is fixedly connected with one end of the second lead screw 6, the driving motor 4 can be used to drive the second lead screw 6 to rotate, so that the first lead screw 5 can rotate synchronously, and the lead screw nuts 7 can move in opposite directions or in opposite directions while the first lead screw 5 and the second lead screw 6 rotate, so that the first clamping assembly 2 and the second clamping assembly 3 can move synchronously with the lead screw nuts 7, be convenient for adjust the distance between first centre gripping subassembly 2, the second centre gripping subassembly 3, be convenient for the different length of centre gripping reinforcing bar 13 that awaits measuring.
In this embodiment, specifically, the anti-shear force detection component 12 includes the cylinder 9 and the push plate 10, the extension end of the cylinder 9 is fixedly connected with the push plate 10, the shear force sensor 11 is installed on the push plate 10, the cylinder 9 on the two anti-shear force detection components 12 which are arranged in a staggered manner can be used for extending and pushing the push plate 10 to move, and the push plate 10 is used for abutting against the steel bar 13 to be detected, so as to perform anti-shear force detection work.
The working principle is as follows: when the device is used specifically, a steel bar 13 to be tested can be placed between the first clamping component 2 and the second clamping component 3, then the driving motor 4 is used for working to drive the second lead screw 6 to rotate, so that the first lead screw 5 can synchronously rotate, and the lead screw nut 7 can move in opposite directions when the first lead screw 5 and the second lead screw 6 rotate, so that the first clamping component 2 and the second clamping component 3 can synchronously move along with the lead screw nut 7, the distance between the first clamping component 2 and the second clamping component 3 can be adjusted, so that two ends of the steel bar 13 to be tested are respectively abutted against the movable plates 18 on the first clamping component 2 and the second clamping component 3, so that the movable plates 18 can be abutted against and pushed to move, the movable plates 18 can be pushed to move while the piston rod 19 is moved, and therefore the traction angle of the traction rod 17 can be controlled to change by the movement of the movable plates 18, can utilize drawbar 17 pulling two gripper jaws 15 closed, thereby can make two gripper blocks closed carry out the centre gripping to the reinforcing bar fixed, simultaneously fly leaf 18 on first clamping component 2 and the second clamping component 3 can be to reinforcing bar both ends butt, further increase the stability that the reinforcing bar is fixed, guarantee the stability of resistance to shear force detection work, fixed back, can utilize the cylinder 9 on the resistance to shear force detection subassembly 12 of two crisscross settings to extend and promote push pedal 10 and remove, and utilize push pedal 10 to support and press the reinforcing bar 13 that awaits measuring, carry out resistance to shear force detection work, in the testing process, the reinforcing bar 13 that awaits measuring can not take place to rock stability height, it is high to detect the precision, and convenient to use.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a shear resistance detection device of construction steel bar, includes base (1), its characterized in that: be equipped with first centre gripping subassembly (2), second centre gripping subassembly (3) and resistance to shear detection subassembly (12) on base (1), first centre gripping subassembly (2), second centre gripping subassembly (3) are located base (1) upper surface both sides respectively and with base (1) sliding connection, first centre gripping subassembly (2), second centre gripping subassembly (3) the same and symmetry setting of structure, be equipped with between first centre gripping subassembly (2), the second centre gripping subassembly (3) and await measuring reinforcing bar (13), resistance to shear detection subassembly (12) is equipped with two, and two resistance to shear detection subassemblies (12) install in base (1) upper end and crisscross setting respectively in the reinforcing bar (13) both sides that await measuring.
2. The shear resistance detection device for construction steel bars according to claim 1, characterized in that: the first clamping assembly (2) comprises an air cavity (14) and two clamping claws (15), the air cavity (14) is slidably mounted on the base (1), one ends of the two clamping claws (15) are movably connected with two sides of the air cavity (14) respectively, one ends of the two clamping claws (15) are provided with clamping blocks (16) oppositely, the clamping blocks (16) are provided with arc-shaped grooves, and rubber pads (24) are arranged in the arc-shaped grooves.
3. The shear resistance detection device for construction steel bars according to claim 2, wherein: the pneumatic clamping device is characterized in that a piston plate (22) is arranged inside the air cavity (14), a piston rod (19) is fixedly connected to the surface of one side of the piston plate (22), one end of the piston rod (19) penetrates through a limiting plate (23) arranged inside the air cavity (14) and extends to the outside of the air cavity (14), a movable plate (18) is fixedly connected to one end, located outside the air cavity (14), of the piston rod (19), draw bars (17) are movably connected to two sides of the movable plate (18), and one end of each draw bar (17) is movably connected with the side walls of the two clamping claws (15) respectively.
4. A shear resistance testing device for construction steel bars as claimed in claim 3, wherein: a return spring (20) is arranged in the air cavity (14), one end of the return spring (20) is fixedly connected with the surface of one side of the piston plate (22), and an air inlet and outlet hole (21) is formed in one side wall of the air cavity (14).
5. The shear resistance detection device for construction steel bars according to claim 1, characterized in that: base (1) internal rotation installs first lead screw (5) and second lead screw (6), the line on first lead screw (5) and second lead screw (6) is reverse setting, and first lead screw (5) one end second lead screw (6) fixed connection, all be equipped with screw-nut (7), two on first lead screw (5) and the second lead screw (6) screw-nut (7) top all through connecting block (8) respectively with first centre gripping subassembly (2), second centre gripping subassembly (3) bottom fixed connection, be equipped with driving motor (4) on base (1) a lateral wall, the output shaft and second lead screw (6) one end fixed connection of driving motor (4).
6. The shear resistance detection device for construction steel bars according to claim 1, characterized in that: the shearing resistance detection assembly (12) comprises an air cylinder (9) and a push plate (10), the extending end of the air cylinder (9) is fixedly connected with the push plate (10), and a shearing force sensor (11) is installed on the push plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122894220.1U CN216284728U (en) | 2021-11-24 | 2021-11-24 | Shear resistance detection device of construction steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122894220.1U CN216284728U (en) | 2021-11-24 | 2021-11-24 | Shear resistance detection device of construction steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216284728U true CN216284728U (en) | 2022-04-12 |
Family
ID=81037209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122894220.1U Expired - Fee Related CN216284728U (en) | 2021-11-24 | 2021-11-24 | Shear resistance detection device of construction steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216284728U (en) |
-
2021
- 2021-11-24 CN CN202122894220.1U patent/CN216284728U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |