Dust removal mechanism for reinforcing steel bar tensile test

Abstract

The utility model discloses a dust removal mechanism for a reinforcing steel bar tensile test, and relates to the field of reinforcing steel bar tests.The dust removal mechanism comprises a testing machine base, two symmetrical telescopic air cylinders are installed on the testing machine base, a lower stretching table is fixed between the two telescopic air cylinders, and an upper stretching table is fixed between the telescopic ends of the two telescopic air cylinders; a dustproof mechanism is arranged between the upper stretching table and the lower stretching table, and a collecting mechanism is arranged between the upper stretching table and the lower stretching table. The dustproof mechanism covers the upper stretching table and the lower stretching table, the steel bars are stretched through the upper stretching table and the lower stretching table, the dustproof mechanism limits generated metal dust, meanwhile, the collecting mechanism is used for sucking and collecting metal particles in the dustproof mechanism, and therefore the phenomenon that the metal particles are damaged when the steel bars are stretched can be reduced. A large amount of metal dust generated when the steel bars are broken drifts in the air, so that the possibility of influencing the health of testers is reduced.

Description

Technical Field

[0001] The present application relates to the field of steel bar testing, and in particular to a dust removal mechanism for steel bar tensile testing. Background Art

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete. The cross-section of the steel bar is round, sometimes square with rounded corners. It is mainly used in various large, heavy, light thin-walled and high-rise building structures. It is divided into three types: plain round steel bars, ribbed steel bars and twisted steel bars.

[0003] The steel bars used in the project need to be retested before use to test the steel bars. The testing company generally uses a universal testing machine to perform a tensile test on the steel bars. The testing machine is generally equipped with two tensile tables, each of which is equipped with a clamping device. The clamping device on the tensile table clamps the steel bars and then stretches the steel bars until they are broken, and then records the data of the stretched steel bars.

[0004] During the process of stretching the steel bars, the stress inside the steel bars changes, causing the steel bar structure to be unstable. When the steel bars are completely broken, metal dust will be generated in the broken area. The metal dust will float in the air, and the test personnel may inhale the metal dust into their bodies, which is harmful to their health. Utility Model Content

[0005] The purpose of the present application is to solve the problem raised in the above-mentioned background technology that when the steel bar is completely pulled apart, metal dust will be generated in the broken area of ​​the steel bar, and the metal dust will float in the air. The test personnel may inhale the metal dust into their bodies, which is harmful to their health. The present application provides a dust removal mechanism for steel bar tensile testing.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A dust removal mechanism for a steel bar tensile test comprises a test machine base, two symmetrical telescopic cylinders are mounted on the test machine base, a lower stretching platform is fixed between the two telescopic cylinders, an upper stretching platform is fixed between the telescopic ends of the two telescopic cylinders, a dust prevention mechanism is arranged between the upper stretching platform and the lower stretching platform, and a collecting mechanism is arranged between the upper stretching platform and the lower stretching platform.

[0008] By adopting the above technical solution, a dust-proof mechanism is used to cover the upper stretching platform and the lower stretching platform, and the upper stretching platform and the lower stretching platform are used to stretch the steel bars. The dust-proof mechanism limits the dust generated by the stretching. When the steel bars are stretched, the metal particles in the dust-proof mechanism are sucked and collected by the collecting mechanism, thereby reducing the large amount of metal dust generated when the steel bars are broken during stretching and floating in the air, thereby reducing the possibility of affecting the health of the test personnel.

[0009] Furthermore, the dustproof mechanism includes a support frame 1 fixed on the upper stretching table, a support frame 2 fixed on the lower stretching table, a dustproof telescopic hose is arranged between the support frame 1 and the support frame 2, one end of the dustproof telescopic hose is fixedly connected to the support frame 1, and a fixing component is arranged between the end of the dustproof telescopic hose away from the support frame 1 and the support frame 2.

[0010] By adopting the above technical solution, after the steel bars are fixed, the dust-proof telescopic hose is pulled down from the support frame one, and one end of the dust-proof telescopic hose is fixed to the support frame two by using the fixing assembly, so that the dust-proof telescopic hose covers the stretched steel bars, thereby covering the metal dust generated by the stretched steel bars when the steel bars are stretched, thereby reducing the possibility of metal dust floating in the air and being inhaled by the test personnel.

[0011] Furthermore, the fixing assembly includes a fixing magnet 1 fixed on an end of the dustproof telescopic hose away from a supporting frame 1, a fixing magnet 2 is fixed on the supporting frame 2, and the fixing magnet 1 corresponds to the fixing magnet 2.

[0012] By adopting the above technical solution, the dustproof telescopic hose is pulled away from the support frame 1, and the fixed magnet 1 fixed on the dustproof telescopic hose is attracted to the fixed magnet 2 on the support frame 2, so that the dustproof telescopic hose can be easily fixed to the support frame 2.

[0013] Furthermore, two symmetrical limit hooks are arranged on the support frame 1, and the limit hooks are rotatably connected to the support frame 1.

[0014] By adopting the above technical solution, when the dustproof telescopic hose is folded up, the limiting hook is hooked on the fixed magnet 1 to keep the dustproof telescopic hose contracted, thereby facilitating the placement and removal of the steel bars.

[0015] Furthermore, the dustproof telescopic hose is a polyethylene hose and is transparent.

[0016] By adopting the above technical solution, the transparent dust-proof telescopic hose is covered between the upper stretching platform and the lower stretching platform, so that when the dust-proof telescopic hose is covered on the stretched steel bars, the state of the steel bars can be conveniently observed.

[0017] Furthermore, the collecting mechanism includes a connecting tube 1 fixed on a supporting frame 2, the connecting tube 1 penetrates the supporting frame 2, a connecting tube 2 is fixed to one end of the connecting tube 1 away from the supporting frame 2, a suction box is fixed to one end of the connecting tube 2 away from the connecting tube 1, the suction box is fixedly connected to the base of the testing machine, and a suction fan is fixed to the bottom of the suction box.

[0018] By adopting the above technical solution, the suction fan is used to generate suction, so that the floating metal dust enters the suction box from the connecting pipe 1 and the connecting pipe 2, thereby facilitating the collection of the metal dust in the dust-proof telescopic hose.

[0019] Furthermore, a collection frame is provided in the suction box, and a collection net is fixed on the collection frame.

[0020] By adopting the above technical solution, the collection net fixed on the collection frame collects and blocks the metal dust, thereby facilitating the collection of the metal dust and reducing the possibility of the suction fan blowing out the metal dust.

[0021] Furthermore, the collecting frame passes through the suction box, and sliding rails are slidably connected to both sides of the collecting frame, and the sliding rails are fixedly connected to the inner wall of the suction box.

[0022] By adopting the above technical solution, the collecting frame is pulled out to move on the sliding rail, and then the collecting frame is pulled out of the suction box with the collecting net, so that the metal dust on the collecting net can be easily cleaned.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. The present application places the steel bar between the upper stretching platform and the lower stretching platform, and uses the limit hook on the support frame 1 to hook the fixed magnet 1 on the dustproof telescopic hose, so that the dustproof telescopic hose is in a contracted state. After the fixation is completed, the fixed magnet 1 is separated from the limit hook, and then the dustproof telescopic hose is stretched, so that the fixed magnet 1 on the dustproof telescopic hose is attracted to the fixed magnet 2 on the support frame 2, so that the dustproof telescopic hose covers the steel bar. When the upper stretching platform and the lower stretching platform are away from each other, the dustproof telescopic hose follows the extension and retraction. The dustproof telescopic hose is made of polyethylene and is transparent. The state of the steel bar can be observed during the stretching, thereby achieving the purpose of covering the metal dust generated by the stretching of the steel bar and reducing the possibility of the generated metal dust floating in the air and being inhaled by the body of the test personnel.

[0025] 2. In the present application, the suction fan generates suction force so that the dust floating in the dust-proof telescopic hose is sucked into connecting pipe one, then enters connecting pipe two from connecting pipe one, and finally enters the suction box. The air containing metal dust is filtered by the collecting net, and the metal dust is filtered and collected by the collecting net. When the collecting net needs to be cleaned, the collecting frame is pulled out to move on the sliding rail, and then the collecting frame is pulled out of the suction box with the collecting net, thereby achieving the purpose of being able to conveniently collect the floating metal dust and further reducing the possibility of metal dust being inhaled by the test personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a first three-dimensional structural schematic diagram of the dust removal mechanism in this application;

[0027] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the dust removal mechanism in this application;

[0028] Figure 3 This application Figure 2 Enlarged schematic diagram at point A in the middle.

[0029] Description of reference numerals:

[0030] 1. Testing machine base; 2. Upper stretching platform; 3. Lower stretching platform; 4. Dust-proof mechanism; 41. Support frame 1; 42. Support frame 2; 43. Dust-proof telescopic hose; 44. Fixing assembly; 441. Fixed magnet 1; 442. Fixed magnet 2; 45. Limiting hook; 5. Collecting mechanism; 51. Connecting pipe 1; 52. Connecting pipe 2; 53. Suction box; 54. Suction fan; 55. Collecting frame; 56. Collecting net; 57. Sliding rail; 6. Telescopic cylinder. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1 —3 Provide further details of this application.

[0032] The embodiment of the present application discloses a dust removal mechanism for a steel bar tensile test.

[0033] Reference Figure 1 , Figure 2 and Figure 3 A dust removal mechanism for a steel bar tensile test comprises a testing machine base 1, on which two symmetrical telescopic cylinders 6 are mounted, a lower tensile platform 3 is fixed between the two telescopic cylinders 6, an upper tensile platform 2 is fixed between the telescopic ends of the two telescopic cylinders 6, a dust prevention mechanism 4 is arranged between the upper tensile platform 2 and the lower tensile platform 3, and a collecting mechanism 5 is arranged between the upper tensile platform 2 and the lower tensile platform 3.

[0034] When a steel bar tensile test is required, first move the steel bar segment for the test between the upper tensile platform 2 and the lower tensile platform 3, and allow the clamping devices installed on the upper tensile platform 2 and the lower tensile platform 3 to clamp the two ends of the steel bar, and then use the dustproof mechanism 4 to cover the upper tensile platform 2 and the lower tensile platform 3, and then use the telescopic cylinder 6 to move the upper tensile platform 2 and the lower tensile platform 3 away from each other, and allow the upper tensile platform 2 and the lower tensile platform 3 to stretch the steel bar until the steel bar is broken. When the steel bar is stretched, the metal particles in the dustproof mechanism 4 are sucked and collected by the collecting mechanism 5. When the steel bar is stretched by the upper tensile platform 2 and the lower tensile platform 3, the dustproof mechanism 4 is used to cover the steel bar being stretched, and then the metal dust in the dustproof mechanism 4 is sucked by the collecting mechanism 5, so that a large amount of metal dust generated when the steel bar is broken during the stretching process can be reduced and the possibility of affecting the health of the test personnel can be reduced.

[0035] Reference Figure 1 , Figure 2 and Figure 3 The dustproof mechanism 4 includes a support frame 1 41 fixed on the upper stretching platform 2, a support frame 2 42 fixed on the lower stretching platform 3, a dustproof telescopic hose 43 is arranged between the support frame 1 41 and the support frame 2 42, one end of the dustproof telescopic hose 43 is fixedly connected to the support frame 1 41, and a fixing component 44 is arranged between the end of the dustproof telescopic hose 43 away from the support frame 1 41 and the support frame 2 42.

[0036] In addition, the fixing assembly 44 includes a fixing magnet 1 441 fixed on the end of the dustproof telescopic hose 43 away from the supporting frame 1 41 , and a fixing magnet 2 442 is fixed on the supporting frame 2 42 , and the fixing magnet 1 441 corresponds to the fixing magnet 2 442 .

[0037] In addition, two symmetrical limit hooks 45 are provided on the support frame 1 41 , and the limit hooks 45 are rotatably connected to the support frame 1 41 .

[0038] Furthermore, the dustproof telescopic hose 43 is a polyethylene hose and is transparent.

[0039] When the steel bar is placed between the upper stretching platform 2 and the lower stretching platform 3, the limit hook 45 on the support frame 41 is used to hook the fixed magnet 441 on the dust-proof telescopic hose 43, so that the dust-proof telescopic hose 43 is in a retracted state. After the fixation is completed, the fixed magnet 441 is separated from the limit hook 45, and then the dust-proof telescopic hose 43 is stretched, so that the fixed magnet 441 on the dust-proof telescopic hose 43 is sucked onto the fixed magnet 442 on the support frame 42, so that the dust-proof telescopic hose 43 covers the steel bar. When the upper stretching platform 2 and the lower stretching platform 3 move away from each other, the dust-proof telescopic hose 43 follows the extension and retraction. The dust-proof telescopic hose 43 is made of polyethylene and is transparent. The state of the steel bar can be observed during stretching. By covering the anti-seepage telescopic hose between the upper stretching platform 2 and the lower stretching platform 3, the metal dust generated by the stretching of the steel bar can be covered, thereby reducing the possibility of the generated metal dust floating in the air and being inhaled by the test personnel.

[0040] Reference Figure 1 and Figure 2 The collecting mechanism 5 includes a connecting pipe 51 fixed on the supporting frame 42, the connecting pipe 51 penetrates the supporting frame 42, a connecting pipe 52 is fixed to one end of the connecting pipe 51 away from the supporting frame 42, a suction box 53 is fixed to one end of the connecting pipe 52 away from the connecting pipe 51, the suction box 53 is fixedly connected to the testing machine base 1, and a suction fan 54 is fixed to the bottom of the suction box 53.

[0041] In addition, a collection frame 55 is provided in the suction box 53 , and a collection net 56 is fixed on the collection frame 55 .

[0042] In addition, the collecting frame 55 passes through the suction box 53 , and two sides of the collecting frame 55 are slidably connected with sliding rails 57 , and the sliding rails 57 are fixedly connected to the inner wall of the suction box 53 .

[0043] When the dust-proof telescopic hose 43 is covered between the upper stretching platform 2 and the lower stretching platform 3, the suction fan 54 is started, and the suction fan 54 generates suction to suck the dust floating in the dust-proof telescopic hose 43 into the connecting pipe 1 51, and then enters the connecting pipe 2 52 from the connecting pipe 1 51, and finally enters the suction box 53, and the air containing metal dust is filtered by the collecting net 56, and the metal dust is filtered and collected by the collecting net 56. When the collecting net 56 needs to be cleaned, the collecting frame 55 is pulled out and the collecting frame 55 is moved on the sliding rail 57, and then the collecting frame 55 is pulled out of the suction box 53 with the collecting net 56, and the metal dust generated in the dust-proof telescopic hose 43 is sucked by the suction fan 54, and then filtered and collected by the collecting net 56, so that the floating metal dust can be conveniently collected, and the possibility of metal dust being inhaled by the test personnel is further reduced.

[0044] Working principle: when it is necessary to conduct a steel bar tensile test, first move the steel bar segment for the test between the upper tensile platform 2 and the lower tensile platform 3, and allow the clamping devices installed on the upper tensile platform 2 and the lower tensile platform 3 to clamp the two ends of the steel bar. When the steel bar is placed between the upper tensile platform 2 and the lower tensile platform 3, use the limit hook 45 on the support frame 1 41 to hook the fixed magnet 1 441 on the dust-proof telescopic hose 43, so that the dust-proof telescopic hose 43 is in a retracted state. After the fixation is completed, the fixed magnet 1 441 is separated from the limit hook 45, and then the dust-proof telescopic hose 43 is stretched, and the fixed magnet 1 441 on the dust-proof telescopic hose 43 is sucked on the fixed magnet 2 442 on the support frame 2 42, so that the dust-proof telescopic hose 43 covers the steel bar. When the upper tensile platform 2 and the lower tensile platform 3 move away from each other, the dust-proof telescopic hose 43 follows the extension and retraction. The dust-proof telescopic hose 43 is made of polyethylene and is transparent. The state of the steel bar can be observed during the stretching.

[0045] While the dust-proof telescopic hose 43 is covered between the upper stretching platform 2 and the lower stretching platform 3, the suction fan 54 is started. The suction fan 54 generates suction to suck the dust floating in the dust-proof telescopic hose 43 into the connecting pipe 1 51, then enters the connecting pipe 2 52 from the connecting pipe 1 51, and finally enters the suction box 53. The air containing metal dust is filtered by the collecting net 56, and the metal dust is filtered and collected by the collecting net 56. When the collecting net 56 needs to be cleaned, the collecting frame 55 is pulled out to move the collecting frame 55 on the sliding rail 57, and then the collecting frame 55 is pulled out of the suction box 53 with the collecting net 56.

Claims

1. A dust removal mechanism for a steel bar tensile test, comprising a test machine base (1), characterized in that: Two symmetrical telescopic cylinders (6) are installed on the testing machine base (1); a lower stretching platform (3) is fixed between the two telescopic cylinders (6); an upper stretching platform (2) is fixed between the telescopic ends of the two telescopic cylinders (6); a dust prevention mechanism (4) is provided between the upper stretching platform (2) and the lower stretching platform (3); and a collecting mechanism (5) is provided between the upper stretching platform (2) and the lower stretching platform (3).

2. A dust removal mechanism for steel bar tensile testing according to claim 1, characterized in that: The dustproof mechanism (4) comprises a support frame 1 (41) fixed on the upper stretching platform (2), a support frame 2 (42) fixed on the lower stretching platform (3), a dustproof telescopic hose (43) arranged between the support frame 1 (41) and the support frame 2 (42), one end of the dustproof telescopic hose (43) being fixedly connected to the support frame 1 (41), and a fixing component (44) being arranged between the end of the dustproof telescopic hose (43) away from the support frame 1 (41) and the support frame 2 (42).

3. A dust removal mechanism for steel bar tensile testing according to claim 2, characterized in that: The fixing assembly (44) comprises a fixing magnet 1 (441) fixed to an end of the dustproof telescopic hose (43) away from the supporting frame 1 (41), and a fixing magnet 2 (442) is fixed to the supporting frame 2 (42), and the fixing magnet 1 (441) corresponds to the fixing magnet 2 (442).

4. A dust removal mechanism for steel bar tensile testing according to claim 3, characterized in that: The support frame one (41) is provided with two symmetrical limit hooks (45), and the limit hooks (45) are rotatably connected to the support frame one (41).

5. A dust removal mechanism for steel bar tensile testing according to claim 2, characterized in that: The dustproof telescopic hose (43) is a polyethylene hose and is transparent.

6. A dust removal mechanism for steel bar tensile testing according to claim 2, characterized in that: The collecting mechanism (5) comprises a connecting pipe one (51) fixed on the supporting frame two (42), the connecting pipe one (51) passing through the supporting frame two (42), a connecting pipe two (52) being fixed to one end of the connecting pipe one (51) away from the supporting frame two (42), a suction box (53) being fixed to one end of the connecting pipe two (52) away from the connecting pipe one (51), the suction box (53) being fixedly connected to the testing machine base (1), and a suction fan (54) being fixed to the bottom of the suction box (53).

7. A dust removal mechanism for steel bar tensile testing according to claim 6, characterized in that: A collection frame (55) is provided in the suction box (53), and a collection net (56) is fixed on the collection frame (55).

8. A dust removal mechanism for steel bar tensile testing according to claim 7, characterized in that: The collecting frame (55) passes through the suction box (53), and sliding rails (57) are slidably connected to two sides of the collecting frame (55), and the sliding rails (57) are fixedly connected to the inner wall of the suction box (53).

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