Tensile property testing equipment for door and window handle

Abstract

The invention discloses a tensile property test device for a door and window handle, which comprises a support plate and a door and window handle body, a workbench is arranged on the support plate, a driving assembly is arranged on the workbench, a clamping block is arranged on the driving assembly, and a base of the door and window handle is conveniently clamped and fixed through the clamping block. In the using process, the lifting block descends to drive the clamping block to clamp and fix the base of the door and window handle, and then gas in the air pressure cylinder drives the fastening top plate to fasten the handle of the door and window handle through descending of the lifting block, so that the effect is better when the tension detector detects the tensile property of the door and window handle; when the handle body of the door and window handle deforms, the lifting plate drives the inflator pump to work, gas generated by inflation can drive the annular air cushion and the annular air cushion to work, the annular air cushion and the annular air cushion further fix the base and the handle body of the door and window handle, and therefore the effect of detecting the tensile property of the door and window handle is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of door and window handle tensile performance testing devices, and in particular to a door and window handle tensile performance testing device. Background Art

[0002] When testing the tensile strength of door and window handles, it is necessary to fix the door and window handle base on a horizontal platform, rotate the handle handle to be consistent with the length direction of the handle base, and apply a pulling force of 600N parallel to the handle axis at a position 2 / 3 away from the handle axis on the center line of the handle. Hold it for 60s. After unloading, measure the maximum permanent deformation displacement of the outermost end of the handle handle.

[0003] In the prior art, a Chinese patent with publication number "201710961906.3" discloses a tensile performance testing device for door and window handles. Through a handle length measuring component, a force position adjusting component, a force applying component, and a handle position measuring component, the rotation axis of the door and window handle and the vertical center line of the force applying beam are coaxial through fixture installation and debugging. The handle length measuring element is installed at the vertical center position of the force applying beam through a pin to measure the length of the handle rotation axis from the outermost end of the handle handle. The force position adjusting component is installed on the handle fixed On the fixed base, it is used to accurately adjust the handle to the force-applying position at 2 / 3 of the handle length. The force-applying component is installed at the vertical center position of the force-applying beam through a pin, and is used to apply a specified static load to the handle; the handle position measuring component is installed on a sliding groove parallel to the force-applying beam and fixed on the base plane, and is used to measure the height position offset of the outermost end of the handle before and after the load is applied, which solves the problem of position error of the handle twice before and after clamping due to the load application and the height position offset measurement of the outermost end of the handle being carried out on different testing machines.

[0004] However, the existing technology still has major deficiencies, such as:

[0005] When testing the tensile performance of door and window handles, the door and window handles need to be fixed on a workbench. When testing, some tensile performance testing equipment usually uses a clamping assembly to fix the base of the door and window handle, and then uses another clamping assembly to fix the handle of the door and window handle. The tensile performance test is performed through a tension testing device. However, when the tension testing device is testing, the handle of the door and window handle is deformed to bend upward with the rotation axis of the handle as the center, which will cause the clamping assembly on the handle and the handle to slip. When the tension applied to the handle of the door and window handle is dispersed, the tension testing device will cause inaccurate detection results. Summary of the invention

[0006] The purpose of the present invention is to provide a tensile performance testing device for door and window handles to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A tensile performance testing device for a door and window handle, comprising a support plate and a door and window handle body, characterized in that: a workbench is provided on the support plate, a driving assembly is provided on the workbench, a clamping block is provided on the driving assembly, and the clamping block is used to clamp and fix the base of the door and window handle;

[0009] A support frame is fixedly installed on the support plate, and the position of the support frame is outside the workbench. A first hydraulic cylinder is fixedly installed on the support frame, and a lifting plate is fixedly installed on the output shaft of the first hydraulic cylinder. A tension detection device is provided on the lower end surface of the lifting plate. A stabilizing block is installed on the tension detection device through a tension-resistant rope, and a through slot for door and window handles to pass through is opened on the stabilizing block;

[0010] The driving assembly is provided with a power assembly, and the power assembly is provided with a fastening top plate, the position of the fastening top plate is located at the inner bottom of the through groove, and the fastening top plate is used to facilitate fixing the door and window handles in the through groove.

[0011] Preferably, the driving assembly comprises a second hydraulic cylinder and a slider, the second hydraulic cylinder is installed inside the workbench, the slider is installed on the lower end surface of the clamping block, a lifting block is fixedly installed on the output shaft of the second hydraulic cylinder, a stretching block is fixedly installed on the lower end surface of the slider, and the lifting block is driven to rise by the second hydraulic cylinder;

[0012] The lifting block is slidably installed inside the workbench through the lifting slot, and the stretching block and the slider slide inside the workbench through the slot. The stretching block is squeezed to facilitate horizontal movement of the stretching block, and the horizontal movement of the stretching block drives the clamping block to expand outward.

[0013] Preferably, a limit block is fixedly installed on the lifting block, a limit slot is provided on the stretching block, the limit block and the limit slot are slidably installed, and the limit block slides in the limit slot. When the lifting block descends, the stretching block is driven to slide inward, thereby realizing the clamping of the object by the clamping block.

[0014] Preferably, the power assembly comprises an air cylinder installed at the bottom of the lifting slot, a lower pressure rod is slidably installed on the air cylinder, and one end of the lower pressure rod away from the air cylinder is installed on the lower end surface of the lifting block;

[0015] A vent pipe is fixedly installed at the air outlet of the air pressure cylinder, and an extrusion air cushion is installed at one end of the vent pipe away from the air pressure cylinder. The extrusion air cushion is installed inside the stabilizing block through an installation groove, and a reset component is provided inside the installation groove. The reset component is lifted up by the inflation of the extrusion air cushion, and the lifting of the reset component drives the top plate to be fastened to the door and window handles.

[0016] Preferably, the reset assembly includes a pushing block slidably installed inside the mounting groove, a limiting rod is fixedly installed on the pushing block, one end of the limiting rod away from the pushing block is installed on the lower end surface of the fastening top plate, a spring is provided on the outer side of the limiting rod, one end of the spring is installed on the pushing block, and the other end of the spring is installed on the inner top of the mounting groove.

[0017] Preferably, an inflatable cylinder is fixedly mounted on the support frame, a push rod is movably mounted on the inflatable cylinder, one end of the push rod is mounted on the lifting plate, a first through pipe is mounted on the air outlet of the inflatable cylinder, a first telescopic hose is fixedly mounted on the end of the first through pipe away from the inflatable cylinder, an inflatable tube is fixedly mounted on one end of the first telescopic hose, and an annular air cushion is fixedly mounted on the end of the inflatable tube away from the first telescopic hose;

[0018] The annular air cushion is installed inside the through groove through the receiving groove. When the first hydraulic cylinder drives the tension detection device to detect the door and window handle, the lifting plate drives the piston on the push rod to slide in the inflation cylinder, and the air cushion is inflated by the inflation cylinder to squeeze the door and window handle.

[0019] Preferably, a second through-tube is fixedly mounted on the first through-tube, a second telescopic hose is fixedly mounted on one end of the second through-tube away from the first through-tube, a connecting tube is fixedly mounted on one end of the second telescopic hose away from the second through-tube, and a pressurized air cushion is fixedly mounted on one end of the connecting tube away from the second telescopic hose;

[0020] The pressurized air cushion is installed on the clamping block through the top fixing groove, and the bulging of the pressurized air cushion facilitates further pressing and fixing the door and window handle base clamped by the clamping block.

[0021] Preferably, the shape of the clamping block is set to be L-shaped, and the L-shaped clamping block can achieve a pressing effect while clamping the door and window handle base.

[0022] Preferably, a positioning slide groove is provided on the inner side surface of the support frame, and the positioning slide groove is slidably mounted with the support frame to ensure the stability of the tension detection device during operation.

[0023] Preferably, an anti-skid pad is fixedly provided on the fastening top plate, and the anti-skid pad is used to increase the friction between the fastening top plate and the door and window handle wrench.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. In the present invention, the lifting block is driven to descend by the second hydraulic cylinder. During the descent process, the lifting block slides in the limit groove on the stretching block through the limit block on the lifting block, thereby driving the stretching block to move inward. During the movement process, the stretching block drives the clamping block to clamp and fix the base of the door and window handle through the slider, and then the tension detector is used to detect the tensile resistance of the door and window handle;

[0026] 2. When the lifting block descends, it will drive the piston on the lower pressure rod to slide in the air cylinder. The gas generated by the air cylinder will enter the extrusion air cushion through the vent pipe. The extrusion air cushion will swell and drive the push block to slide in the installation groove. When the push block rises, it drives the top plate to fix the handle of the door and window handle through the limit rod, so that the handle of the door and window handle is stable in the through groove, making the tension detector more effective in testing the tensile performance of the door and window handle;

[0027] 3. When the handle of the door and window handle is deformed, the lifting plate will move upward, and the lifting plate will drive the piston on the push rod to slide in the inflatable cylinder. The gas generated by the inflatable cylinder will enter the annular air cushion through the first through pipe, the first telescopic hose and the inflatable pipe. The annular air cushion will form a surrounding bulge to tighten the handle of the door and window handle, further improving the tightening effect of the handle of the door and window handle during detection;

[0028] 4. When the first through pipe is ventilated, part of the gas in the first through pipe will enter the pressurized air cushion through the second through pipe, the second telescopic hose, and the connecting pipe. The bulging of the pressurized air cushion will further press the base of the door and window handle, ensuring the stability between the base of the door and window handle and the clamping block when the handle of the door and window handle is deformed, further improving the effect of the tension detector in detecting the tensile performance of the door and window handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall structure of the present invention;

[0030] Figure 2 is a side view of the present invention;

[0031] Figure 3 It is a rear view of the present invention;

[0032] Figure 4 This is a schematic diagram of the structure of the clamping block clamping the door and window handle body in the present invention;

[0033] Figure 5 It is a schematic diagram of the structure in which two clamping blocks are separated in the present invention;

[0034] Figure 6It is a structural schematic diagram of the lifting block in the present invention;

[0035] Figure 7 It is a structural schematic diagram of the stretching block in the present invention;

[0036] Figure 8 It is a schematic diagram of the structure of the stabilizing block in the present invention;

[0037] Fig. 9 It is a schematic diagram of the internal structure of the stabilizing block in the present invention;

[0038] Fig.10 for Fig. 9 The enlarged view of point A in the middle;

[0039] Fig.11 It is a cross-sectional view of the clamping block in the present invention.

[0040] In the figure: 1. support plate; 2. door and window handle body; 3. workbench; 4. clamping block; 5. support frame; 6. first hydraulic cylinder; 7. lifting plate; 8. stabilizing block; 9. fastening top plate; 10. second hydraulic cylinder; 11. slider; 12. lifting block; 13. stretching block; 14. limit block; 15. limit groove; 16. air cylinder; 17. down pressure rod; 18. vent pipe; 19. extrusion air cushion; 20. push block; 21. limit rod; 22. spring; 23. inflator; 24. push rod; 25. first through pipe; 26. first telescopic hose; 27. inflator pipe; 28. annular air cushion; 29. ​​second through pipe; 30. second telescopic hose; 31. connecting pipe; 32. pressurized air cushion; 33. positioning slide groove; 34. anti-skid pad; 35. through groove; 36. tension detection device. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-11 , the present invention provides a technical solution:

[0043] Example 1: Please refer to Figure 1-3 and Figure 6-7, a tensile performance testing device for a door and window handle, comprising a support plate 1 and a door and window handle body 2, a workbench 3 is arranged on the support plate 1, a driving assembly is arranged on the workbench 3, a clamping block 4 is arranged on the driving assembly, and the shape of the clamping block 4 is arranged in an L-shape, and the L-shaped clamping block 4 is arranged to achieve a pressing effect under the action of clamping the door and window handle base, and the clamping block 4 is convenient for clamping and fixing the door and window handle base;

[0044] A support frame 5 is fixedly installed on the support plate 1, and a control panel and a hydraulic system are arranged on the support frame 5. This technology is a conventional means in this field and will not be described in detail here. A positioning groove 33 is arranged on the inner side of the support frame 5, and the positioning groove 33 is slidably installed with the support frame 5 to ensure the stability of the tension detection device 36 when it is working. The position of the support frame 5 is on the outer side of the workbench 3. A first hydraulic cylinder 6 is fixedly installed on the support frame 5, and a lifting plate 7 is fixedly installed on the output shaft of the first hydraulic cylinder 6. A tension detection device 36 is arranged on the lower end surface of the lifting plate 7. The tension detection device 36 is an existing device and will not be described in detail here. A stabilizing block 8 is installed on the tension detection device 36 through a tension rope, and a through groove 35 for the door and window handle to pass through is opened on the stabilizing block 8.

[0045] The driving assembly includes a second hydraulic cylinder 10 and a sliding block 11. The second hydraulic cylinder 10 is installed inside the workbench 3. The sliding block 11 is installed on the lower end surface of the clamping block 4. A lifting block 12 is fixedly installed on the output shaft of the second hydraulic cylinder 10. A stretching block 13 is fixedly installed on the lower end surface of the sliding block 11. The lifting block 12 is lifted by the second hydraulic cylinder 10. A limit block 14 is fixedly installed on the lifting block 12. A limit groove 15 is provided on the stretching block 13. The limit block 14 is slidably installed with the limit groove 15. The limit block 14 slides in the limit groove 15. When the lifting block 12 descends, it drives the stretching block 13 to slide inward, thereby realizing the clamping of the object by the clamping block 4.

[0046] The lifting block 12 is slidably installed inside the workbench 3 through the lifting groove, and the stretching block 13 and the slider 11 slide inside the workbench 3 through the slide groove. The stretching block 13 is squeezed to facilitate the horizontal movement of the stretching block 13, and the horizontal movement of the stretching block 13 drives the clamping block 4 to expand outward.

[0047] In this embodiment, the base of the door and window handle to be tested is placed on the workbench 3 from the side of the workbench 3, and the handle on the door and window handle passes through the through groove 35 on the stabilizing block 8, and then the lifting block 12 is driven to descend by the second hydraulic cylinder 10. During the descent of the lifting block 12, the limiting block 14 on the lifting block 12 slides in the limiting groove 15 on the stretching block 13, thereby driving the stretching block 13 to move inward. During the movement, the stretching block 13 will drive the clamping block 4 to clamp and fix the base of the door and window handle through the slider 11, and then the lifting plate 7 is driven to rise by the hydraulic cylinder. When rising, the stabilizing block 8 will drive the handle of the door and window handle to apply an upward force, and the force generated during this period is detected by the tension detector.

[0048] Example 2: Please refer to Figure 4-5 On the basis of the first embodiment, in order to prevent the handle of the door and window handle from sliding in the through groove 35 during the tensile test, resulting in inaccurate data detected by the tension detector, a stabilizing plate is used to avoid this phenomenon. A power assembly is provided on the driving assembly, and a fastening top plate 9 is provided on the power assembly. An anti-skid pad 34 is fixedly provided on the fastening top plate 9. The anti-skid pad 34 is used to increase the friction between the fastening top plate 9 and the door and window handle wrench, and the lower end surface of the door and window handle can be wrapped by the protective pad, so that the fastening effect of the fastening top plate 9 is better. The position of the fastening top plate 9 is at the inner bottom of the through groove 35, and the door and window handle handle in the through groove 35 is conveniently fixed by the fastening top plate 9;

[0049] The power assembly includes an air cylinder 16 installed inside the inner bottom of the lifting groove. The internal structure of the air cylinder 16 is the same as the internal structure of a real air pump, but the air cylinder 16 has no air inlet. The gas in the squeezed air cushion 19 flows back and forth between the air cylinder 16 and the squeezed air cushion 19. The gas flowing therebetween includes the gas in the vent pipe 18. A lower pressure rod 17 is slidably installed on the air cylinder 16. The end of the lower pressure rod 17 away from the air cylinder 16 is installed on the lower end surface of the lifting block 12.

[0050] A vent pipe 18 is fixedly installed at the air outlet of the air pressure cylinder 16, and an extrusion air cushion 19 is installed at one end of the vent pipe 18 away from the air pressure cylinder 16. The extrusion air cushion 19 is installed inside the stabilizing block 8 through a mounting groove, and a reset component is arranged inside the mounting groove. The reset component is lifted up by the inflation of the extrusion air cushion 19, and the lifting of the reset component drives the fastening top plate 9 to be fixed on the door and window handle;

[0051] The reset assembly includes a pushing block 20 slidably installed inside the mounting groove, a limiting rod 21 is fixedly installed on the pushing block 20, one end of the limiting rod 21 away from the pushing block 20 is installed on the lower end surface of the fastening top plate 9, a spring 22 is arranged on the outer side of the limiting rod 21, one end of the spring 22 is installed on the pushing block 20, and the other end of the spring 22 is installed on the inner top of the mounting groove.

[0052] In this embodiment, when the lifting block 12 descends, it will drive the piston on the lower pressure rod 17 to slide in the air cylinder 16. The gas generated by the air cylinder 16 will enter the extrusion air cushion 19 through the ventilation pipe 18. The bulging of the extrusion air cushion 19 will drive the pushing block 20 to slide in the installation groove. When the pushing block 20 rises, it will drive the fastening top plate 9 to fix the handle of the door and window handle through the limit rod 21, so that the handle of the door and window handle is stabilized in the through groove 35, so that the tension detector is more effective in detecting the tensile performance of the door and window handle.

[0053] Example 3: Please refer to Figure 9-10 On the basis of the first embodiment, in order to make the handle of the door and window handle better fastened to the fastening top plate 9 during detection, an annular air cushion 28 is used to achieve this effect. An inflatable cylinder 23 is fixedly installed on the support frame 5. The internal structure of the inflatable cylinder 23 is the same as the internal structure of the actual air pump, and the gas in the annular air cushion 28 and the pressurized air cushion 32 will flow back and forth in the pipeline. The pipeline includes a first through pipe 25, a first telescopic hose 26, an inflatable pipe 27, a second through pipe 29, a second telescopic hose 30 and a connecting pipe 31. A push rod 24 is movably installed on the inflatable cylinder 23, one end of the push rod 24 is installed on the lifting plate 7, and a first through pipe 25 is installed at the air outlet of the inflatable cylinder 23. The first telescopic hose 26 is fixedly installed at one end of the first telescopic hose 26. The inflatable pipe 27 is fixedly installed at one end of the first telescopic hose 26, and the annular air cushion 28 is fixedly installed at one end of the inflatable pipe 27 away from the first telescopic hose 26.

[0054] The annular air cushion 28 is installed inside the through groove 35 through the receiving groove. When the first hydraulic cylinder 6 drives the tension detection device 36 to detect the door and window handles, the lifting plate 7 drives the piston on the push rod 24 to slide in the inflation cylinder 23. The inflation of the inflation cylinder 23 causes the air cushion to swell and squeeze the door and window handles.

[0055] In this embodiment, when the tension detector is testing the tensile resistance of the door and window handles, when the handles of the door and window handles are deformed, the lifting plate 7 will move upward. When moving, the lifting plate 7 will drive the piston on the push rod 24 to slide in the inflation cylinder 23. The gas generated by the inflation cylinder 23 will enter the annular air cushion 28 through the first through pipe 25, the first telescopic hose 26 and the inflation tube 27. The annular air cushion 28 forms a surrounding bulge that will tighten the handles of the door and window handles, thereby further improving the tightening effect of the handles of the door and window handles during testing.

[0056] Example 4: Please refer to Fig.11On the basis of the first embodiment, a second through pipe 29 is fixedly mounted on the first through pipe 25, a second telescopic hose 30 is fixedly mounted on one end of the second through pipe 29 away from the first through pipe 25, a connecting pipe 31 is fixedly mounted on one end of the second telescopic hose 30 away from the second through pipe 29, and a pressurized air cushion 32 is fixedly mounted on one end of the connecting pipe 31 away from the second telescopic hose 30;

[0057] The pressurized air cushion 32 is installed on the clamping block 4 through the top fixing groove. The swelling of the pressurized air cushion 32 facilitates further pressing and fixing the door and window handle base clamped by the clamping block 4.

[0058] In this embodiment, part of the gas in the first through pipe 25 will enter the second through pipe 29, and the gas in the second through pipe 29 will enter the pressurized air cushion 32 through the second telescopic hose 30 and the connecting pipe 31. The bulging of the pressurized air cushion 32 will further press the base of the door and window handle, ensuring the stability between the base of the door and window handle and the clamping block 4 when the handle of the door and window handle is deformed, further improving the stability between the supporting block and the base of the door and window handle.

[0059] Embodiment 5: Based on Embodiment 1, the workbench 3 can be set to be movable according to the needs of personnel. When the workbench 3 is set to be movable, the ventilation pipe 18 needs to be set to a retractable hose, and a one-way valve is set on the retractable hose. At the same time, a structure that can automatically exhaust air is set on the extrusion air cushion 19. When the workbench 3 is set to be movable, it is convenient to perform tensile resistance testing on different positions of the handles in the door and window handles.

[0060] Working principle: put the base of the door and window handle to be tested onto the workbench 3 from the side of the workbench 3, and the handle on the door and window handle passes through the through slot 35 on the stabilizing block 8, and then the lifting block 12 is driven down by the second hydraulic cylinder 10. During the descent process, the lifting block 12 slides in the limiting slot 15 on the stretching block 13 through the limiting block 14 on the lifting block 12, thereby driving the stretching block 13 to move inward. During the movement process, the stretching block 13 drives the clamping block 4 to clamp and fix the base of the door and window handle through the slider 11, and then drives the lifting plate 7 to rise through the hydraulic cylinder. During the rise, the stabilizing block 8 drives the handle of the door and window handle to apply an upward force, and the force generated during the period is detected by the tension detector;

[0061] When the lifting block 12 descends, it drives the piston on the pressing rod 17 to slide in the air cylinder 16. The gas generated by the air cylinder 16 enters the extrusion air cushion 19 through the vent pipe 18. The extrusion air cushion 19 swells and drives the push block 20 to slide in the installation groove. When the push block 20 rises, it drives the fastening top plate 9 to fix the handle of the door and window handle through the limit rod 21, so that the handle of the door and window handle is stabilized in the through groove 35, so that the tension detector is more effective in detecting the tensile performance of the door and window handle.

[0062] When the tension detector detects the tensile strength of the door and window handles, when the handles of the door and window handles are deformed, the lifting plate 7 will move upward, and the lifting plate 7 will drive the piston on the push rod 24 to slide in the inflatable cylinder 23 when moving. The gas generated by the inflatable cylinder 23 will enter the annular air cushion 28 through the first through pipe 25, the first telescopic hose 26 and the inflatable pipe 27. The annular air cushion 28 forms a surrounding bulge to tighten the handles of the door and window handles, further improving the tightening effect of the handles of the door and window handles during the inspection;

[0063] When ventilation is allowed in the first through pipe 25, part of the gas in the first through pipe 25 will enter the second through pipe 29, and the gas in the second through pipe 29 will enter the pressurized air cushion 32 through the second telescopic hose 30 and the connecting pipe 31. The bulging of the pressurized air cushion 32 will further pressurize the base of the door and window handle, ensuring the stability between the base of the door and window handle and the clamping block 4 when the handle of the door and window handle is deformed, further improving the stability between the clamping block and the base of the door and window handle.

[0064] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tensile performance testing device for a door and window handle, comprising a support plate (1) and a door and window handle body (2), characterized in that: A workbench (3) is arranged on the support plate (1), a driving assembly is arranged on the workbench (3), and a clamping block (4) is arranged on the driving assembly, so that the base of the door and window handle can be clamped and fixed by the clamping block (4); A support frame (5) is fixedly mounted on the support plate (1), the support frame (5) is located outside the workbench (3), a first hydraulic cylinder (6) is fixedly mounted on the support frame (5), a lifting plate (7) is fixedly mounted on the output shaft of the first hydraulic cylinder (6), a tension detection device (36) is arranged on the lower end surface of the lifting plate (7), a stabilizing block (8) is mounted on the tension detection device (36) via a tension-resistant rope, and a through slot (35) for a door and window handle to pass through is provided on the stabilizing block (8); The driving assembly is provided with a power assembly, and the power assembly is provided with a fastening top plate (9), the fastening top plate (9) is located at the inner bottom of the through groove (35), and the door and window handle in the through groove (35) can be easily fixed by the fastening top plate (9).

2. A tensile performance testing device for door and window handles according to claim 1, characterized in that: The driving assembly comprises a second hydraulic cylinder (10) and a sliding block (11); the second hydraulic cylinder (10) is installed inside the workbench (3); the sliding block (11) is installed on the lower end surface of the clamping block (4); a lifting block (12) is fixedly installed on the output shaft of the second hydraulic cylinder (10); a stretching block (13) is fixedly installed on the lower end surface of the sliding block (11); the lifting block (12) is driven to rise by the second hydraulic cylinder (10); The lifting block (12) is slidably installed inside the workbench (3) through the lifting groove, and the stretching block (13) and the slider (11) slide inside the workbench (3) through the sliding groove. The stretching block (13) is squeezed and stretched to facilitate horizontal movement of the stretching block (13), and the horizontal movement of the stretching block (13) drives the clamping block (4) to expand outward.

3. A tensile performance testing device for door and window handles according to claim 2, characterized in that: A limit block (14) is fixedly mounted on the lifting block (12), a limit slot (15) is provided on the stretching block (13), the limit block (14) and the limit slot (15) are slidably mounted, and when the limit block (14) slides in the limit slot (15), the lifting block (12) drives the stretching block (13) to slide inward when descending, thereby enabling the clamping block (4) to clamp the object.

4. A tensile performance testing device for door and window handles according to claim 3, characterized in that: The power assembly comprises an air cylinder (16) installed at the bottom of the lifting groove, a lower pressure rod (17) is slidably installed on the air cylinder (16), and one end of the lower pressure rod (17) away from the air cylinder (16) is installed on the lower end surface of the lifting block (12); The air outlet of the air pressure cylinder (16) is fixedly provided with a vent pipe (18), and an end of the vent pipe (18) away from the air pressure cylinder (16) is provided with an extrusion air cushion (19), and the extrusion air cushion (19) is installed inside the stabilizing block (8) through an installation groove, and a reset component is provided inside the installation groove, and the reset component is lifted up by the inflation of the extrusion air cushion (19), and the lifting of the reset component drives the top plate (9) to be fixed to the door and window handle.

5. A tensile performance testing device for door and window handles according to claim 4, characterized in that: The reset assembly comprises a pushing block (20) slidably mounted inside the mounting groove, a limiting rod (21) fixedly mounted on the pushing block (20), one end of the limiting rod (21) away from the pushing block (20) being mounted on the lower end surface of the fastening top plate (9), a spring (22) being arranged on the outer side of the limiting rod (21), one end of the spring (22) being mounted on the pushing block (20), and the other end of the spring (22) being mounted on the inner top of the mounting groove.

6. A tensile performance testing device for door and window handles according to claim 5, characterized in that: An inflatable cylinder (23) is fixedly mounted on the support frame (5), a push rod (24) is movably mounted on the inflatable cylinder (23), one end of the push rod (24) is mounted on the lifting plate (7), a first through pipe (25) is mounted at the air outlet of the inflatable cylinder (23), a first telescopic hose (26) is fixedly mounted at one end of the first through pipe (25) away from the inflatable cylinder (23), an inflatable tube (27) is fixedly mounted at one end of the first telescopic hose (26), and an annular air cushion (28) is fixedly mounted at one end of the inflatable tube (27) away from the first telescopic hose (26); The annular air cushion (28) is installed inside the through groove (35) through the receiving groove. When the first hydraulic cylinder (6) drives the tension detection device (36) to detect the door and window handle, the lifting plate (7) drives the piston on the push rod (24) to slide in the inflation cylinder (23). The inflation of the inflation cylinder (23) causes the air cushion to swell and squeeze the door and window handle.

7. A tensile performance testing device for door and window handles according to claim 6, characterized in that: A second through pipe (29) is fixedly mounted on the first through pipe (25); a second telescopic hose (30) is fixedly mounted on one end of the second through pipe (29) away from the first through pipe (25); a connecting pipe (31) is fixedly mounted on one end of the second telescopic hose (30) away from the second through pipe (29); and a pressurized air cushion (32) is fixedly mounted on one end of the connecting pipe (31) away from the second telescopic hose (30); The pressurized air cushion (32) is installed on the clamping block (4) through the top fixing groove, and the bulging of the pressurized air cushion (32) facilitates further pressing and fixing the door and window handle base clamped by the clamping block (4).

8. A tensile performance testing device for door and window handles according to claim 7, characterized in that: The shape of the clamping block (4) is set to be L-shaped, and the clamping block (4) set to be L-shaped can simultaneously achieve a pressing effect under the action of clamping the door and window handle base.

9. A tensile performance testing device for door and window handles according to claim 6, characterized in that: The inner side surface of the support frame (5) is provided with a positioning slide groove (33), and the positioning slide groove (33) and the support frame (5) are slidably mounted to ensure the stability of the tension detection device (36) when the tension detection device (36) is working.

10. A tensile performance testing device for door and window handles according to claim 6, characterized in that; An anti-skid pad (34) is fixedly arranged on the fastening top plate (9), and the anti-skid pad (34) is used to increase the friction between the fastening top plate (9) and the door and window handle wrench.

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