Push-pull force testing machine

Abstract

The utility model discloses a push-pull force testing machine, which comprises a shell with a lateral opening and a test bed positioned at the bottom end in the shell, the top end of the test bed is provided with symmetrically arranged positioning plates, the positioning plates are connected with the shell through positioning components, the top end in the shell is provided with a movable frame, and the movable frame is connected with the test bed through a movable component. A tension plate is arranged at the bottom end of the moving frame, mounting columns are symmetrically arranged at the bottom end of the tension plate, and a tension sensor is arranged between the tension plate and the moving frame. The method has the beneficial effects that the probability of errors in detection is reduced, and the detection accuracy is improved; in the pressure resistance detection process, through the cooperative design of the positioning assembly and the positioning plates, the symmetrically arranged positioning plates can be driven to move in opposite directions, so that the to-be-detected object can be extruded and fixed, and the loosening condition is avoided; during tension resistance detection, the mounting column can be indirectly driven to fix an object through the matching design of the adjusting assembly and the mounting column.

Description

Technical Field

[0001] The utility model relates to the technical field of push-pull force testing machines, in particular to a push-pull force testing machine. Background Art

[0002] The push-pull force testing equipment is mainly used to conduct endurance tests on the objects to be tested. By testing the tensile performance of the objects, the tensile performance of the objects can be obtained, which is convenient for the later use and processing of the objects.

[0003] Existing push-pull force testing equipment generally uses threaded rods to drive the pulling components to move, which lacks stability. During the object testing process, the object is prone to offset, affecting the accuracy of the test. It is not convenient to fix the object to be tested. It is easy for the object to loosen during the test, affecting the accuracy of monitoring. It is easy to make errors and it is not easy to determine the endurance of the object to be tested, affecting the normal use of the object.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a push-pull force testing machine to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A push-pull force testing machine comprises a shell with a side opening and a test bench located at the bottom end of the shell, the top of the test bench is provided with a symmetrically arranged positioning plate, the positioning plate is connected to the shell through a positioning assembly, the top of the shell is provided with a moving frame, the bottom end of the moving frame is provided with a tension plate, the bottom end of the tension plate is provided with symmetrically arranged mounting columns, and a tension sensor is provided between the tension plate and the moving frame.

[0008] Preferably, the positioning assembly includes a turntable located in the shell, the top of the turntable is provided with an inclined connecting rod, both ends of the connecting rod are provided with inclined movable rods, one end of the movable rod is provided with a moving block, and the top of the moving block is symmetrically provided with connecting columns extending outward and correspondingly connected to the positioning plate.

[0009] Preferably, the movable rod is connected to the connecting rod and the turntable respectively through a movable shaft, and the axis of the turntable is connected to the output end of the servo motor located in the housing.

[0010] Preferably, guide rods penetrating the moving block are symmetrically arranged in the shell, and a travel hole for the movement of the connecting column is opened at the top of the test bench.

[0011] Preferably, a hydraulic cylinder connected to the movable frame is provided on the shell, and an adjusting component connected to the mounting column is provided on the tension plate.

[0012] Preferably, the adjustment assembly includes a screw rod and a sliding rod located in the tension plate, and a symmetrically arranged movable plate is sleeved on the screw rod and the sliding rod. The bottom end of the movable plate is provided with a connecting column extending outside the tension plate and connected to the mounting column.

[0013] The beneficial effects of the utility model are: it is easy to fix the object to be tested, reduces the probability of detection errors, and improves the accuracy of detection; during the pressure resistance test, the symmetrically arranged positioning plates can be driven to move in opposite directions through the coordinated design of the positioning assembly and the positioning plate, so that the object to be tested can be squeezed and fixed to avoid looseness; during the tensile test, the mounting column can be indirectly driven to fix the object through the coordinated design of the adjustment assembly and the mounting column. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of a push-pull force testing machine according to an embodiment of the utility model;

[0016] Figure 2 It is a side view of a push-pull force testing machine according to an embodiment of the utility model;

[0017] Figure 3 It is a structural schematic diagram of a positioning assembly in a push-pull force testing machine according to an embodiment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of an adjustment component in a push-pull force testing machine according to an embodiment of the utility model.

[0019] In the figure:

[0020] 1. Shell; 2. Test bench; 3. Positioning plate; 4. Moving frame; 5. Tension plate; 6. Mounting column; 7. Turntable; 8. Connecting rod; 9. Movable rod; 10. Moving block; 11. Connecting column; 12. Guide rod; 13. Travel hole; 14. Hydraulic cylinder; 15. Screw rod; 16. Sliding rod; 17. Moving plate. DETAILED DESCRIPTION

[0021] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0022] According to an embodiment of the utility model, a push-pull force testing machine is provided.

[0023] Embodiment 1;

[0024] like Figure 1-4 As shown, the push-pull testing machine according to the embodiment of the utility model includes a shell 1 with a side opening and a test bench 2 located at the bottom end of the shell 1, the top of the test bench 2 is provided with a symmetrically arranged positioning plate 3, the positioning plate 3 is connected to the shell 1 through a positioning assembly, the top of the shell 1 is provided with a moving frame 4, the bottom end of the moving frame 4 is provided with a tension plate 5, the bottom end of the tension plate 5 is provided with symmetrically arranged mounting columns 6, and a tension sensor is provided between the tension plate 5 and the moving frame 4.

[0025] Embodiment 2:

[0026] like Figure 1-4 As shown, the positioning assembly includes a turntable 7 located in the shell 1, a connecting rod 8 is provided at the top of the turntable 7, and movable rods 9 are provided at both ends of the connecting rod 8. A moving block 10 is provided at one end of the movable rod 9, and a connecting column 11 is symmetrically provided at the top of the moving block 10, which extends outward and is connected to the positioning plate 3. The movable rod 9 is respectively connected to the connecting rod 8 and the turntable 7 through a movable shaft, and the axis of the turntable 7 is connected to the output end of the servo motor located in the shell 1.

[0027] Embodiment 2:

[0028] like Figure 1-4 As shown, the shell 1 is symmetrically provided with a guide rod 12 passing through the moving block 10, the top of the test bench 2 is provided with a travel hole 13 for the connection column 11 to move, the shell 1 is provided with a hydraulic cylinder 14 connected to the moving frame 4, the tension plate 5 is provided with an adjustment component connected to the mounting column 6, the adjustment component includes a screw rod 15 and a slide rod 16 located in the tension plate 5, the screw rod 15 and the slide rod 16 are sleeved with a symmetrically arranged moving plate 17, and the bottom end of the moving plate 17 is provided with a connection column extending to the outside of the tension plate 5 and connected to the mounting column 6.

[0029] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0030] In actual application, the object to be tested is placed on the test bench 2 and located between the two sets of positioning plates 3, and then the servo motor is started to drive the turntable 7 to rotate, the turntable 7 drives the connecting rod 8 to rotate and pushes and pulls the moving block 10 through the movable rod 9 to move, and the moving block 10 drives the positioning plate 3 to move toward the middle direction through the connecting column 11 to squeeze and fix the object to be tested to avoid looseness; then the tension plate 5 is driven downward by the hydraulic cylinder 14 to squeeze the object, and no limiting force will occur.

[0031] To sum up, with the help of the above-mentioned technical scheme of the utility model, it is convenient to fix the object to be tested, reduce the probability of detection errors, and improve the accuracy of detection; during the pressure resistance test, through the coordinated design of the positioning component and the positioning plate 3, the symmetrically arranged positioning plates 3 can be driven to move in opposite directions, so that the object to be tested can be squeezed and fixed to avoid looseness; during the tensile test, through the coordinated design of the adjustment component and the mounting column 6, the mounting column 6 can be indirectly driven to fix the object.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A push-pull testing machine, characterized in that: The invention comprises a shell (1) with a side opening and a test bench (2) located at the bottom end of the shell (1), wherein a symmetrically arranged positioning plate (3) is provided at the top end of the test bench (2), and the positioning plate (3) is connected to the shell (1) through a positioning assembly, a moving frame (4) is provided at the top end of the shell (1), a tension plate (5) is provided at the bottom end of the moving frame (4), and a symmetrically arranged mounting column (6) is provided at the bottom end of the tension plate (5), and a tension sensor is provided between the tension plate (5) and the moving frame (4), and the positioning assembly comprises a positioning assembly located at the shell (1) and a positioning assembly disposed on the bottom end of the moving frame (4). ), the top of the turntable (7) is provided with an inclined connecting rod (8), both ends of the connecting rod (8) are provided with inclined movable rods (9), one end of the movable rod (9) is provided with a moving block (10), the top of the moving block (10) is symmetrically provided with connecting columns (11) extending outward and correspondingly connected to the positioning plate (3), the movable rod (9) is respectively connected to the connecting rod (8) and the turntable (7) through a movable shaft, and the axis of the turntable (7) is connected to the output end of the servo motor located in the housing (1).

2. A push-pull testing machine according to claim 1, characterized in that: The housing (1) is symmetrically provided with guide rods (12) penetrating the moving block (10), and the top of the test bench (2) is provided with a travel hole (13) for the movement of the connecting column (11).

3. A push-pull testing machine according to claim 2, characterized in that: The housing (1) is provided with a hydraulic cylinder (14) connected to the moving frame (4), and the tension plate (5) is provided with an adjustment component connected to the mounting column (6).

4. A push-pull testing machine according to claim 3, characterized in that: The adjustment assembly comprises a screw rod (15) and a slide rod (16) located inside the tension plate (5); a symmetrically arranged moving plate (17) is sleeved on the screw rod (15) and the slide rod (16); a connecting column extending outside the tension plate (5) and connected to the mounting column (6) is provided at the bottom end of the moving plate (17).

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