Comprehensive mechanical tensile machine for safety tools and instruments

Abstract

The utility model relates to the technical field of mechanical property tests, in particular to a comprehensive mechanical tensile machine for safety tools, which comprises a base, a stand column fixedly mounted at the rear end of the upper end face of the base, a frame fixedly mounted at the front end of the upper end face of the base, and a transmission mechanism arranged in the frame. The base comprises a bottom frame, a panel is fixedly installed on the upper end face of the bottom frame, and a first fixed pulley is fixedly installed on the upper end face of the panel on the side, opposite to the frame body, of the stand column. A second fixed pulley is fixedly installed on the top of the front end of the stand column and located over the first fixed pulley. The transmission mechanism comprises a cross beam, lead screws perpendicular to the cross beam are installed on the two sides of the cross beam in a threaded mode, and the tops of the lead screws are rotationally connected with the top of the inner side of the frame body. A third fixed pulley and a fourth fixed pulley are fixedly mounted in the middles of the upper and lower ends of the cross beam respectively. According to the adjustable lifting system, to-be-tested mechanisms with different lengths can be conveniently tested.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical property testing, in particular to a comprehensive mechanical tensile testing machine for safety tools. Background Technique

[0002] A mechanical property testing machine is a very useful device that can test the mechanical properties of various materials to ensure that the materials meet specific industrial standards or design requirements. After a large number of searches, the publication number is CN217425039U, which discloses a mechanical property testing machine for electric power safety tools. The device is convenient and reliable to operate, can perform mechanical property tests on a variety of electric power safety tools, and can be applied to the mechanical property tests of safety tools in industries such as power supply and power generation.

[0003] However, in the existing technology, when the device is in use, only one fixed pulley is provided, and when in use, the mechanism to be tested is installed between the fixed pulley and the lifting hanging plate, and the tensile test is carried out by vertically lifting the lifting hanging plate. However, due to the limited adjustable height of the lifting hanging plate, when testing a shorter mechanism, there is a problem of inconvenient installation. And after extending with other connectors, the allowable tensile force of the mechanism to be tested will change, thus affecting the test results. Therefore, a comprehensive mechanical tensile testing machine for safety tools is needed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a comprehensive mechanical tensile testing machine for safety tools, which has an adjustable lifting system and has the advantage of being able to conveniently test mechanisms to be tested with different lengths, and solves the problem that the test results are inaccurate when using additional connectors to extend the mechanism to be tested.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A comprehensive mechanical tensile testing machine for safety tools, including a base, a column is fixedly installed at the rear end of the upper end surface of the base, a frame is fixedly installed at the front end of the upper end surface of the base, and a transmission mechanism is arranged inside the frame;

[0006] The base includes a bottom frame, a panel is fixedly installed on the upper end surface of the bottom frame, and a first fixed pulley is fixedly installed on the upper end surface of the panel on the side where the column and the frame face each other;

[0007] A second fixed pulley is fixedly installed at the top of the front end of the column, and the second fixed pulley is directly above the first fixed pulley;

[0008] The transmission mechanism includes a cross beam, lead screws perpendicular to the cross beam are threadedly installed on both sides of the cross beam, and the top of the lead screw is rotatably connected to the inner top of the frame;

[0009] Third fixed pulleys and fourth fixed pulleys are respectively and fixedly installed in the middle of the upper and lower ends of the cross beam.

[0010] Preferably, the column is designed with a hollow steel pipe structure, and holes are opened on the panel at the bottom of the column. In the design, the column is designed with a hollow steel pipe structure, which not only reduces the weight of the column, but also increases its stability and durability. Holes are opened on the panel at the bottom of the column. This design allows for a more flexible connection method between the column and the chassis, facilitating installation and adjustment. At the same time, it also provides a channel for cables or other connecting parts, improving the functionality of the overall structure. The hollow steel pipe structure reduces weight and improves stability; the hole-opening design increases installation flexibility and functionality.

[0011] Preferably, a protection mechanism is fixedly installed on the front of the frame body. The protection mechanism includes a connecting frame, and a protection door is rotatably installed on the connecting frame. In the design, a protection mechanism is fixedly installed on the front of the frame body. The protection mechanism includes a connecting frame, and a protection door is rotatably installed on the connecting frame. This design provides additional safety protection, ensuring the safety of operators during the test process and preventing accidental contact or interference with the test process. The protection mechanism enhances operation safety, and the design of the protection door facilitates opening and closing without affecting normal operation.

[0012] Preferably, the transmission mechanism includes a driving motor. The driving motor is fixedly installed in the chassis directly below the column, and the top of the driving motor is located inside the column. A driven wheel is installed at the bottom of the driving motor through belt transmission, and the upper and lower ends of the driven wheel are respectively rotationally connected to the chassis and the panel. In the design, the transmission mechanism includes a driving motor. The driving motor is fixedly installed in the chassis directly below the column, and the driving motor is connected to the driven wheel through a belt, ensuring the stability and efficiency of power transmission. The design of the position of the driving motor reduces the possibility of damage, and the belt connection ensures stable power transmission.

[0013] Preferably, a transmission rod is fixedly installed at the center of the top of the driven wheel. The top of the transmission rod passes through the panel and is installed at the bottom of the lead screw through a coupling. In the design, a transmission rod is fixedly installed at the center of the top of the driven wheel. The top of the transmission rod passes through the panel and is installed at the bottom of the lead screw through a coupling. This design allows for precise control of the movement of the cross beam, improving the test accuracy. The design of the transmission rod and the coupling ensures precise control and improves the accuracy and repeatability of the test.

[0014] Preferably, both ends of the cross beam are slidably installed inside the frame body, and the cross beam is perpendicular to the lead screw. In the design, both ends of the cross beam are slidably installed inside the frame body, and the cross beam is perpendicular to the lead screw. This perpendicular installation method ensures the stability of the cross beam during movement and reduces the possible deviation or vibration during the test process.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In this utility model, one end of the mechanism to be tested can be connected to the first fixed pulley, and the other end to the third fixed pulley, or one end to the second fixed pulley and the other end to the fourth fixed pulley. This design provides two different connection combinations to adapt to mechanisms to be tested with different lengths. The crossbeam is connected to the transmission mechanism through a lead screw and can move vertically, thereby adjusting the height and position of the mechanism to be tested during the test. The vertical movement of the crossbeam is controlled by the drive motor in the transmission mechanism, ensuring the smoothness and precision of the lifting process. Since the crossbeam can move vertically, when testing a shorter mechanism to be tested, there is no need to use additional connectors for extension. This avoids the problem of inaccurate test results that may be caused by the addition of connectors. By directly adjusting the position of the crossbeam instead of relying on external connectors, the mechanical properties under actual use conditions can be more accurately simulated, thereby obtaining more reliable test data. The operator can start the drive motor through a simple control interface and easily adjust the position of the crossbeam to achieve rapid adaptation and testing of mechanisms to be tested with different lengths, achieving an adjustable lifting system that enables convenient testing of mechanisms to be tested with different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front view structural schematic diagram of this utility model;

[0018] Figure 2 is the structural schematic diagram of the transmission mechanism of this utility model;

[0019] Figure 3 is the structural schematic diagram of the protection mechanism of this utility model;

[0020] Figure 4 is the structural schematic diagram of the column connection of this utility model.

[0021] In the figure: 1. Base; 11. Underframe; 12. Panel; 101. First fixed pulley; 2. Column; 21. Second fixed pulley; 3. Frame; 4. Protection mechanism; 41. Connection frame; 42. Protection door; 5. Transmission mechanism; 51. Driven wheel; 52. Coupling; 53. Transmission belt; 54. Drive motor; 55. Lead screw; 56. Crossbeam; 57. Transmission rod; 501. Third fixed pulley; 502. Fourth fixed pulley. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Example 1

[0024] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, an embodiment provided by the utility model: a comprehensive mechanical tensile testing machine for safety tools, including a base 1, a column 2 fixedly installed at the rear end of the upper end surface of the base 1, a frame 3 fixedly installed at the front end of the upper end surface of the base 1, and a transmission mechanism 5 is provided inside the frame 3;

[0025] The base 1 includes a chassis 11, a panel 12 is fixedly installed on the upper end surface of the chassis 11, and a first fixed pulley 101 is fixedly installed on the upper end surface of the panel 12 on the side of the column 2 opposite to the frame 3;

[0026] At the top of the front end of the column 2, a second fixed pulley 21 is fixedly installed, and the second fixed pulley 21 is directly above the first fixed pulley 101;

[0027] The transmission mechanism 5 includes a cross beam 56, screw rods 55 perpendicular to the cross beam 56 are threadedly installed on both sides of the cross beam 56, and the top of the screw rods 55 is rotationally connected to the inner top of the frame 3;

[0028] At the middle of the upper and lower ends of the cross beam 56, a third fixed pulley 501 and a fourth fixed pulley 502 are respectively fixedly installed.

[0029] Specifically, one end of the mechanism to be tested can be connected to the first fixed pulley 101, and the other end can be connected to the third fixed pulley 501, or one end can be connected to the second fixed pulley 21, and the other end can be connected to the fourth fixed pulley 502. This design provides two different connection combinations to adapt to mechanisms to be tested with different lengths. The cross beam 56 is connected to the transmission mechanism 5 through the screw rods 55 and can move vertically, thereby adjusting the height and position of the mechanism to be tested during the test. The vertical movement of the cross beam 56 is controlled by a driving motor 54 in the transmission mechanism 5, ensuring the smoothness and accuracy of the lifting process. Since the cross beam 56 can move vertically, when testing a mechanism to be tested with a short length, there is no need to use additional connecting objects for extension. This avoids the problem of inaccurate test results that may be caused by the addition of connecting objects. By directly adjusting the position of the cross beam 56 instead of relying on external connecting objects, the mechanical properties under actual use conditions can be more accurately simulated, thereby obtaining more reliable test data. The operator can start the driving motor 54 through a simple control interface and easily adjust the position of the cross beam 56 to achieve rapid adaptation and testing of mechanisms to be tested with different lengths, achieving the effect of having an adjustable lifting system, making it convenient to test mechanisms to be tested with different lengths.

[0030] Example 2

[0031] To improve the safety of the device during use and prevent the driving motor from being damaged by external forces, such as Figure 1 , Figure 3 and Figure 4 shown, in this embodiment, the column 2 is designed with a hollow steel pipe structure, and holes are drilled in the panel 12 at the bottom of the column 2. In the design, the column 2 is designed with a hollow steel pipe structure, which not only reduces the weight of the column 2, but also increases its stability and durability. Holes are drilled in the panel 12 at the bottom of the column 2, which allows for a more flexible connection method between the column 2 and the chassis 11, facilitating installation and adjustment. At the same time, it also provides a channel for cables or other connectors, improving the functionality of the overall structure. The hollow steel pipe structure reduces weight and improves stability; the hole design increases installation flexibility and functionality.

[0032] Furthermore, a protection mechanism 4 is fixedly installed on the front of the frame 3. The protection mechanism 4 includes a connecting frame 41, and a protection door 42 is rotatably installed on the connecting frame 41. In the design, a protection mechanism 4 is fixedly installed on the front of the frame 3. The protection mechanism 4 includes a connecting frame 41, and a protection door 42 is rotatably installed on the connecting frame 41. This design provides additional safety protection to ensure the safety of the operator during the test process and prevent accidental contact or interference with the test process. The protection mechanism 4 enhances operation safety, and the design of the protection door 42 facilitates opening and closing without affecting normal operation.

[0033] Embodiment Three

[0034] To perform a tensile test on the object to be tested more stably during use, such as Figure 2 and Figure 4 shown, in this embodiment, the transmission mechanism 5 includes a driving motor 54. The driving motor 54 is fixedly installed in the chassis 11 directly below the column 2, and the top of the driving motor 54 is located inside the column 2. The bottom of the driving motor 54 is drivingly installed with a driven wheel 51 through a transmission belt 53, and the upper and lower ends of the driven wheel 51 are respectively rotatably connected to the chassis 11 and the panel 12. In the design, the transmission mechanism 5 includes a driving motor 54. The driving motor 54 is fixedly installed in the chassis 11 directly below the column 2, and the driving motor 54 is connected to the driven wheel 51 through a transmission belt 53, ensuring the stability and efficiency of power transmission. The design of the position of the driving motor 54 reduces the possibility of damage, and the connection of the transmission belt 53 ensures stable power transmission.

[0035] Further, a transmission rod 57 is fixedly installed at the center of the top of the driven wheel 51. The top of the transmission rod 57 passes through the panel 12 and is drivingly installed with the bottom of the lead screw 55 through a coupling 52. In the design, a transmission rod 57 is fixedly installed at the center of the top of the driven wheel 51. The top of the transmission rod 57 passes through the panel 12 and is drivingly installed with the bottom of the lead screw 55 through a coupling 52. This design allows for precise control of the movement of the cross beam 56, improving the test accuracy. The design of the transmission rod 57 and the coupling ensures precise control and improves the accuracy and repeatability of the test.

[0036] Further, both ends of the cross beam 56 are slidably installed inside the frame body 3, and the cross beam 56 is perpendicular to the lead screw 55. In the design, both ends of the cross beam 56 are slidably installed inside the frame body 3, and the cross beam 56 is perpendicular to the lead screw 55. This perpendicular installation method ensures the stability of the cross beam 56 during movement and reduces the possible deviation or vibration during the test.

[0037] When the utility model is in use, ensure that all components are correctly installed and in good condition. According to the length of the mechanism to be tested and the test requirements, select to use the combination of the first fixed pulley 101 and the third fixed pulley 501, or the combination of the second fixed pulley 21 and the fourth fixed pulley 502. If the combination of the first fixed pulley 101 and the third fixed pulley 501 is selected, connect one end of the mechanism to be tested to the first fixed pulley 101 and the other end to the third fixed pulley 501; if the combination of the second fixed pulley 21 and the fourth fixed pulley 502 is selected, connect one end of the mechanism to be tested to the second fixed pulley 21 and the other end to the fourth fixed pulley 502. Start the drive motor 54 in the drive mechanism 5, drive the lead screw 55 to rotate through the drive belt 53 and the driven wheel 51, and then move the cross beam 56 up and down along the lead screw 55 to perform a tensile test. Observe and record the deformation and failure conditions of the mechanism to be tested under different tensile forces. Use the data recording system equipped with the testing machine to record the data during the test, such as tensile force and displacement, and analyze it to evaluate the mechanical properties of the mechanism to be tested. After the test is completed, turn off the drive motor 54, move the cross beam 56 back to the initial position, and remove the mechanism to be tested from the fixed pulley combination.

[0038] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. Integrated mechanical tensile testing machine for safety tools, including a base (1). At the rear end of the upper surface of the base (1), a column (2) is fixedly installed. At the front end of the upper surface of the base (1), a frame body (3) is fixedly installed. A transmission mechanism (5) is arranged inside the frame body (3), and it is characterized in that: The base (1) includes a bottom frame (11). On the upper surface of the bottom frame (11), a panel (12) is fixedly installed. On the upper surface of the panel (12) on the side opposite to the column (2) and the frame body (3), a first fixed pulley (101) is fixedly installed. At the top of the front end of the column (2), a second fixed pulley (21) is fixedly installed. The second fixed pulley (21) is directly above the first fixed pulley (101). The transmission mechanism (5) includes a cross beam (56). On both sides of the cross beam (56), lead screws (55) perpendicular to the cross beam (56) are installed by threading. The top of the lead screw (55) is rotationally connected to the inner top of the frame body (3). In the middle of the upper and lower ends of the cross beam (56), a third fixed pulley (501) and a fourth fixed pulley (502) are respectively fixedly installed.

2. The comprehensive mechanical tensile testing machine for safety tools according to claim 1, wherein, The column (2) is designed with a hollow steel pipe structure, and an opening is made on the panel (12) at the bottom of the column (2).

3. The comprehensive mechanical tensile testing machine for safety tools according to claim 1, characterized in that, On the front of the frame body (3), a protection mechanism (4) is fixedly installed. The protection mechanism (4) includes a connecting frame (41), and a protection door (42) is rotatably installed on the connecting frame (41).

4. The comprehensive mechanical tensile testing machine for safety tools according to claim 1, wherein, The transmission mechanism (5) includes a driving motor (54). The driving motor (54) is fixedly installed inside the bottom frame (11) directly below the column (2), and the top of the driving motor (54) is located inside the column (2). At the bottom of the driving motor (54), a driven wheel (51) is installed through belt transmission. The upper and lower ends of the driven wheel (51) are respectively rotationally connected to the bottom frame (11) and the panel (12).

5. The comprehensive mechanical tensile testing machine for safety tools according to claim 4, wherein, At the center of the top of the driven wheel (51), a transmission rod (57) is fixedly installed. The top of the transmission rod (57) passes through the panel (12) and is transmissionally installed with the bottom of the lead screw (55) through a coupling (52).

6. The comprehensive mechanical tensile testing machine for safety tools according to claim 1, wherein Both ends of the cross beam (56) are slidably installed inside the frame body (3), and the cross beam (56) is perpendicular to the lead screw (55).

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