Reinforcing steel bar tension strength detection equipment
By designing a rebar tensile strength detection equipment including hydraulic cylinders, barrier plates, support plates and collection boxes, the problems of waste chips splashing and breaking in the existing technology have been solved, the safety and applicability have been improved, and the equipment has been extended. Service life.
Patent Information
- Application Number
- CN202420826616.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-19
AI Technical Summary
During the inspection process, existing tensile strength detection devices of steel bars are prone to waste splashing and steel bars breaking, resulting in accidental injury to operators.
A steel bar tensile strength detection device including a workbench, support frame, hydraulic cylinder, three-jaw chuck and barrier plate is designed. The steel bar is tensile detected through the hydraulic cylinder, and the barrier plate is used to block the waste chips generated to reduce waste chips. Splashing and breaking; at the same time, support plates, springs and rolling groove structures are used to adapt to steel bars of different diameters, reduce friction, and increase the scope of application and service life of the device; the collection box structure facilitates the collection and handling of steel bars.
It effectively reduces the risk of scrap splash and steel bar breakage, adapts to steel bars of different diameters, extends the service life of the equipment, and improves the efficiency of steel bar collection.
Smart Images
Figure CN222280326U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of steel bar detection, in particular to a steel bar tensile strength detection device. Background Art
[0002] Rebar is a long steel bar, mainly used in pouring concrete to enhance the structural strength of concrete. Its cross section is usually round, but sometimes it may be square with rounded corners. There are many types of rebar, including plain round rebar, ribbed rebar, twisted rebar, etc. Among them, plain round rebar is actually a small round bar and coil of ordinary low-carbon steel, while ribbed rebar is a rebar with ribs on the surface. These ribs are usually evenly distributed along the length direction, and the cross ribs may be spiral, herringbone or crescent-shaped.
[0003] In the prior art, traditional steel bar strength test tensile equipment generally clamps steel bars of standard length on a tensile testing machine, then gradually increases the tensile force, tests the stress changes of the steel bars at the same time, applies tensile force to break the steel bars and records the data. Through this method, we can obtain the tensile stress curve of the steel bars, thereby evaluating their tensile strength, yield strength, elongation and other performance indicators. During long-term use and observation, it is found that the current steel bar tensile strength detection device often does not shield the waste chips generated during the steel bar strength tensile test, which is prone to waste chips splashing and steel bar breaking, leading to accidental injury to operators.
[0004] To this end, the utility model provides a steel bar tensile strength detection device. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve at least one problem raised in the background technology, a steel bar tensile strength testing device is proposed.
[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a steel bar tensile strength testing device, comprising a workbench; a support frame is fixedly connected to the top of the workbench; a hydraulic cylinder is installed on the side wall of the support frame; the hydraulic cylinder is a pair and is symmetrically arranged on both sides of the support frame; the end of the hydraulic cylinder extends into the interior of the support frame; a three-jaw chuck is fixedly connected to the end of the hydraulic cylinder; a blocking plate is rotatably connected to the top of the support frame; this step can detect the tensile strength of the steel bar by providing a workbench, a support frame, a hydraulic cylinder and a three-jaw chuck, and by providing a blocking plate, the waste chips generated when the device performs tensile strength testing on the steel bar can be shielded, thereby reducing the splashing of waste chips and the flying out of broken steel bars.
[0007] Preferably, a first support seat is fixedly connected to the middle of the support frame; a support plate is provided above the first support seat; a spring is connected between the first support seat and the support plate; one end of the spring is fixedly connected to the top of the first support seat, and the other end is fixedly connected to the bottom of the support plate; the spring is multiple and evenly distributed between the first support seat and the support plate; a first support shaft is fixedly connected to the bottom of the support plate; the first support shaft is slidably connected to the first support seat; the first support shaft is multiple and correspondingly arranged with the spring; the spring is sleeved outside the first support shaft; this step is provided with a support plate, when the device performs tensile strength testing on the steel bar, the bottom of the steel bar can be supported, and by providing a first support seat and a spring, when the first support seat supports the steel bar, the support plate can be pushed, so that the bottom of the support plate is always attached to the bottom of the steel bar, so that the device can adapt to steel bars of different diameters, thereby improving the scope of application of the device, and by providing a first support shaft, when the spring pushes the support plate, the spring can be supported, thereby improving the stability of the spring when pushing the support plate.
[0008] Preferably, a first rolling groove is provided on the top of the support plate; there are multiple first rolling grooves that are evenly distributed on the top of the support plate; a ball is rotatably connected to the middle of the first rolling groove; this step, by providing the first rolling groove and the ball, can transform the sliding contact between the side wall of the steel bar and the top of the support plate into a rolling contact between the side wall of the steel bar and the side wall of the ball, thereby reducing the friction force when the side wall of the steel bar contacts the top of the support plate, thereby reducing the wear when the side wall of the steel bar contacts the top of the support plate, and improving the service life of the device.
[0009] Preferably, a material baffle plate is rotatably connected to the bottom of the support frame; a torsion spring is provided between the material baffle plate and the support frame; the material baffle plates are a pair and are symmetrically arranged on both sides of the bottom of the support frame; a second support seat is fixedly connected to the bottom of the workbench; a collecting box is provided in the middle of the second support seat; the second support seat and the collecting box are slidably matched; this step can collect the steel bars that have completed the tensile strength test by providing a second support seat and a collecting box, thereby facilitating the staff to collect and transport the steel bars that have completed the tensile strength test, and by providing a material baffle plate, the movement of the steel bars can be guided before the steel bars fall into the collection box, and then the posture of the steel bars when entering the collection box can be adjusted, so that the tested steel bars can be placed in parallel with each other in the collection box, thereby improving the collection effect of the collection box on the steel bars.
[0010] Preferably, a second rolling groove is provided at the bottom of the inner side wall of the second support seat; the second rolling grooves are multiple and evenly distributed at the bottom of the inner side wall of the second support seat; a second support shaft is fixedly connected to the middle of the second rolling groove; a roller is rotatably connected to the middle of the second support shaft; this step, by providing a second rolling groove, a second support shaft and a roller, can transform the sliding contact between the bottom of the collection box and the bottom of the inner side wall of the workbench into a rolling contact between the bottom of the collection box and the side wall of the roller, thereby reducing the friction force when the bottom of the collection box contacts the bottom of the inner side wall of the workbench, thereby reducing the wear when the bottom of the collection box contacts the bottom of the inner side wall of the workbench, and further improving the service life of the device.
[0011] Preferably, an observation window is provided in the middle of the blocking plate; the observation window is made of transparent material; this step, by providing an observation window, allows the staff to more conveniently observe the steel bar tensile strength test inside the workbench, thereby improving the blocking effect of the blocking plate on waste chips.
[0012] The beneficial effects of the utility model are as follows:
[0013] 1. The steel bar tensile strength testing device described in the utility model can test the tensile strength of steel bars by being provided with a workbench, a support frame, a hydraulic cylinder and a three-jaw chuck. By being provided with a blocking plate, the waste chips generated when the device tests the tensile strength of steel bars can be shielded, thereby reducing the splashing of waste chips and the flying out of broken steel bars.
[0014] 2. The steel bar tensile strength testing device described in the utility model is provided with a support plate, so that the bottom of the steel bar can be supported when the device performs tensile strength testing on the steel bar. By providing a first support seat and a spring, the support plate can be pushed when the first support seat supports the steel bar, so that the bottom of the support plate is always in contact with the bottom of the steel bar, so that the device can adapt to steel bars of different diameters, thereby improving the application range of the device. By providing a first support shaft, the spring can be supported when the spring pushes the support plate, thereby improving the stability of the spring when pushing the support plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model will be further described below in conjunction with the accompanying drawings.
[0016] Figure 1 It is a stereogram in the utility model;
[0017] Figure 2 It is a structural schematic diagram of the utility model;
[0018] Figure 3 It is a cross-sectional view in the utility model;
[0019] Figure 4It is a structural schematic diagram of the workbench in the utility model;
[0020] Figure 5 It is a structural schematic diagram of the first support seat in the utility model;
[0021] Legend:
[0022] 1. Workbench; 11. Support frame; 12. Hydraulic cylinder; 13. Three-jaw chuck; 14. Blocking plate; 2. First support seat; 21. Support plate; 22. Spring; 23. First support shaft; 3. First rolling groove; 31. Ball; 4. Baffle plate; 41. Second support seat; 42. Collection box; 5. Second rolling groove; 51. Second support shaft; 52. Roller; 6. Observation window. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Specific examples are given below.
[0025] like Figures 1 to 4 As shown, a steel bar tensile strength testing device described in an embodiment of the utility model comprises a workbench 1; a support frame 11 is fixedly connected to the top of the workbench 1; a hydraulic cylinder 12 is installed on the side wall of the support frame 11; the hydraulic cylinder 12 is a pair and symmetrically arranged on both sides of the support frame 11; the end of the hydraulic cylinder 12 extends into the interior of the support frame 11; a three-jaw chuck 13 is fixedly connected to the end of the hydraulic cylinder 12; a blocking plate 14 is rotatably connected to the top of the support frame 11; during operation, the staff cuts the steel bar that needs to be tested for tensile strength into standard lengths, and then fixes the two ends of the steel bar on a pair of three-jaw chucks 13 respectively. At this time, the staff starts a pair of hydraulic cylinders 12 to pull the steel bar, and then tests the tensile strength of the steel bar. This step can detect the tensile strength of the steel bar by providing a workbench 1, a support frame 11, a hydraulic cylinder 12 and a three-jaw chuck 13. By providing a blocking plate 14, the waste generated when the device performs tensile strength testing on the steel bar can be shielded, thereby reducing the splashing of waste and the flying out of the steel bar breakage.
[0026] Further, such as Figures 2 to 5As shown, a first support seat 2 is fixedly connected to the middle of the support frame 11; a support plate 21 is provided above the first support seat 2; a spring 22 is connected between the first support seat 2 and the support plate 21; one end of the spring 22 is fixedly connected to the top of the first support seat 2, and the other end is fixedly connected to the bottom of the support plate 21; there are multiple springs 22 and they are evenly distributed between the first support seat 2 and the support plate 21; a first support shaft 23 is fixedly connected to the bottom of the support plate 21; the first support shaft 23 is slidably connected to the first support seat 2; there are multiple first support shafts 23 and they are arranged corresponding to the springs 22; the spring 22 is sleeved on the first support In addition to the support shaft 23; this step is provided with a support plate 21, which can support the bottom of the steel bar when the device performs tensile strength testing on the steel bar. By providing a first support seat 2 and a spring 22, the support plate 21 can be pushed when the first support seat 2 supports the steel bar, so that the bottom of the support plate 21 is always in contact with the bottom of the steel bar, so that the device can adapt to steel bars of different diameters, thereby improving the scope of application of the device. By providing a first support shaft 23, the spring 22 can be supported when the spring 22 pushes the support plate 21, thereby improving the stability of the spring 22 when pushing the support plate 21.
[0027] Further, such as Figures 2 to 5 As shown, a first rolling groove 3 is provided on the top of the support plate 21; there are multiple first rolling grooves 3 and they are evenly distributed on the top of the support plate 21; a ball 31 is rotatably connected to the middle of the first rolling groove 3; this step, by providing the first rolling groove 3 and the ball 31, can change the sliding contact between the side wall of the steel bar and the top of the support plate 21 into a rolling contact between the side wall of the steel bar and the side wall of the ball 31, thereby reducing the friction force when the side wall of the steel bar contacts the top of the support plate 21, thereby reducing the wear when the side wall of the steel bar contacts the top of the support plate 21, and improving the service life of this device.
[0028] Further, such as Figures 1 to 3As shown, the bottom of the support frame 11 is rotatably connected to a first support shaft 23; a torsion spring is provided between the first support shaft 23 and the support frame 11; the baffle plates 4 are a pair and are symmetrically arranged on both sides of the bottom of the support frame 11; a second support seat 41 is fixedly connected to the bottom of the workbench 1; a collection box 42 is provided in the middle of the second support seat 41; the second support seat 41 and the collection box 42 are slidably matched; during work, when the staff has completed the tensile strength test of the steel bar, the staff releases the three-jaw chuck 13, and the steel bar that has completed the tensile strength test will fall downward, and then the baffle plate 4 will be pressed downward and fall into the collection box 42, at this time, the torsion spring will push the material baffle plate 4 to reset the material baffle plate 4. In this step, the second support seat 41 and the collection box 42 are provided, so that the steel bars that have completed the tensile strength test can be collected, thereby facilitating the staff to collect and carry the steel bars that have completed the tensile strength test. By providing the material baffle plate 4, the movement of the steel bars can be guided before the steel bars fall into the collection box 42, and the posture of the steel bars when entering the collection box 42 can be adjusted, so that the tested steel bars can be placed in parallel with each other in the collection box 42, thereby improving the collection effect of the collection box 42 on the steel bars.
[0029] Further, such as Figure 3 As shown, a baffle plate 4 is rotatably connected to the bottom of the support frame 11; a torsion spring is provided between the baffle plate 4 and the support frame 11; the baffle plates 4 are a pair and are symmetrically arranged on both sides of the bottom of the support frame 11; a second support seat 41 is fixedly connected to the bottom of the workbench 1; a collecting box 42 is provided in the middle of the second support seat 41; the second support seat 41 and the collecting box 42 are slidably matched; this step is provided with a second rolling groove 5, a second support shaft 51 and a roller 52, which can change the sliding contact between the bottom of the collecting box 42 and the bottom of the inner wall of the workbench 1 into a rolling contact between the bottom of the collecting box 42 and the side wall of the roller 52, thereby reducing the friction force when the bottom of the collecting box 42 contacts the bottom of the inner wall of the workbench 1, thereby reducing the wear when the bottom of the collecting box 42 contacts the bottom of the inner wall of the workbench 1, and further improving the service life of this device.
[0030] Further, such as Figures 1 to 4 As shown, an observation window 6 is provided in the middle of the blocking plate 14; the observation window 6 is made of transparent material; this step allows the staff to more conveniently observe the steel bar tensile strength test inside the workbench 1 by providing the observation window 6, thereby improving the blocking effect of the blocking plate 14 on waste chips.
[0031] Working principle: the staff will cut the steel bars that need to be tested for tensile strength into standard lengths, and then fix the two ends of the steel bars on a pair of three-jaw chucks 13 respectively. At this time, the staff will start a pair of hydraulic cylinders 12 to pull the steel bars, and then test the tensile strength of the steel bars. When the staff has completed the tensile strength test of the steel bars, the staff will release the three-jaw chuck 13. At this time, the steel bars that have completed the tensile strength test will fall downward, and then press the baffle plate 4 downward, and fall into the collection box 42. At this time, the torsion spring will push the baffle plate 4 to reset the baffle plate 4.
[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A steel bar tensile strength testing device, comprising a workbench (1); characterized in that: The top of the workbench (1) is fixedly connected to a support frame (11); a hydraulic cylinder (12) is installed on the side wall of the support frame (11); the hydraulic cylinder (12) is a pair and is symmetrically arranged on both sides of the support frame (11); the ends of the hydraulic cylinder (12) extend into the interior of the support frame (11); a three-jaw chuck (13) is fixedly connected to the ends of the hydraulic cylinder (12); and a blocking plate (14) is rotatably connected to the top of the support frame (11).
2. A steel bar tensile strength testing device according to claim 1, characterized in that: A first support seat (2) is fixedly connected to the middle of the support frame (11); a support plate (21) is provided above the first support seat (2); a spring (22) is connected between the first support seat (2) and the support plate (21); one end of the spring (22) is fixedly connected to the top of the first support seat (2), and the other end is fixedly connected to the bottom of the support plate (21); there are multiple springs (22) and they are evenly distributed between the first support seat (2) and the support plate (21); a first support shaft (23) is fixedly connected to the bottom of the support plate (21); the first support shaft (23) is slidably connected to the first support seat (2); there are multiple first support shafts (23) and they are arranged corresponding to the springs (22); the spring (22) is sleeved outside the first support shaft (23).
3. A steel bar tensile strength testing device according to claim 2, characterized in that: The top of the support plate (21) is provided with a first rolling groove (3); the first rolling grooves (3) are multiple and evenly distributed on the top of the support plate (21); a ball (31) is rotatably connected to the middle of the first rolling groove (3).
4. A steel bar tensile strength testing device according to claim 3, characterized in that: A material baffle plate (4) is rotatably connected to the bottom of the support frame (11); a torsion spring is provided between the material baffle plate (4) and the support frame (11); the material baffle plates (4) are a pair and are symmetrically arranged on both sides of the bottom of the support frame (11); a second support seat (41) is fixedly connected to the bottom of the workbench (1); a collection box (42) is provided in the middle of the second support seat (41); the second support seat (41) and the collection box (42) are slidably matched.
5. A steel bar tensile strength testing device according to claim 4, characterized in that: A second rolling groove (5) is provided at the bottom of the inner side wall of the second support seat (41); the second rolling grooves (5) are multiple and evenly distributed at the bottom of the inner side wall of the second support seat (41); a second support shaft (51) is fixedly connected to the middle of the second rolling groove (5); and a roller (52) is rotatably connected to the middle of the second support shaft (51).
6. A steel bar tensile strength testing device according to claim 5, characterized in that: An observation window (6) is provided in the middle of the blocking plate (14); the observation window (6) is made of a transparent material.