Tensile and compressive strength detection device

Abstract

The utility model discloses a tensile and compressive strength detection device in the technical field of detection devices, which comprises a bottom plate, a support plate is welded at the bottom of the bottom plate, a fixed plate is welded on one side of the upper end of the bottom plate, and a movable plate is movably connected with the other side of the upper end of the bottom plate. The other side of the upper end of the bottom plate is movably connected with the movable plate, one side of the fixed plate and one side of the movable plate are both provided with the clamping balls in a clamping mode through the clamping blocks, the clamping balls rotate on the clamping blocks at multiple angles, the clamping ends of the clamping claws clamp the two ends of a material through the cooperation of the transverse plates and the tensioning rods, and the movable plate is tensioned through the steel cable; meanwhile, the steel cable forms a pulley block through a plurality of movable pulleys and fixed pulleys, one end of the steel cable is connected with a plurality of balancing weights through a mounting rod, the steel cable is pulled under the gravity action of the balancing weights, the tensile force of the movable plate is adjusted by accumulating the balancing weights, stable and long-time tensile strength detection of the clamping material is carried out, and extra power equipment is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a tensile and compressive strength detection device. Background Art

[0002] Tensile strength is the resistance to the maximum uniform plastic deformation of a material. Before the tensile specimen is subjected to the maximum tensile stress, the deformation is uniform and consistent, but after exceeding the maximum tensile stress, the metal begins to neck, that is, concentrated deformation occurs. For brittle materials without uniform plastic deformation, it reflects the material's resistance to fracture.

[0003] However, most of the existing tensile and compressive strength testing devices provide strong pulling force through hydraulic rods, and the overall equipment of the device is complex and occupies a large volume. When testing the tensile strength of some small tensile materials, it is inconvenient to operate quickly, the tension adjustment is not convenient enough, and the use effect is not good. Based on this, the utility model designs a tensile and compressive strength testing device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a tensile and compressive strength testing device to solve the above-mentioned problems of inconvenience in quick operation, inconvenient tension adjustment and poor use effect when testing the tensile strength of some small tensile materials.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is provided with a plurality of movable pulleys, and a fixed pulley is provided on one side of the upper end of the base plate. The movable pulley is fixedly connected to the upper end of the base plate, and a movable pulley is provided on the other side of the upper end of the base plate. A clamping block is welded on one side of the fixed plate and the movable plate. A spherical groove is provided on the clamping end of the clamping block. A clamping ball is rotatably clamped on the clamping block. A clamping claw is welded on one side of the clamping ball. A clamping groove is provided on the clamping claw. A cross plate is welded on the clamping end of the clamping claw. A tensioning rod is installed through both sides of the cross plate. A plurality of movable pulleys are movably connected on one side of the upper end of the movable plate. A fixed pulley is movably connected on one side of the upper end of the base plate. A steel cable is fixedly connected to the upper end of the base plate, and the steel cable is connected around a plurality of movable pulleys and a fixed pulley. A support rod is welded on one side of the upper end of the base plate, and a steering wheel is movably connected to the support rod. The steel cable is placed on the upper end of the steering wheel. A mounting rod is connected to a plurality of counterweights at the free end of the steel cable.

[0007] As a further solution of the utility model: a reinforcing plate is welded to one side of the fixing plate, and the other end of the reinforcing plate is welded to the upper end of the bottom plate.

[0008] As a further solution of the utility model: two anti-slide plates are embedded and installed inside the locking claw, and the locking claw is bolted to the anti-slide plates.

[0009] As a further solution of the utility model: the width of the anti-slip plate is equal to the width of the locking claws, and a plurality of anti-slip grooves are provided on the anti-slip plate.

[0010] As a further solution of the utility model: a middle rod is fixedly welded to the middle part of the upper end of the bottom plate, a threaded rod is bolted to the middle part of the middle rod, and a placement plate is welded to the upper end of the threaded rod.

[0011] As a further solution of the utility model: the length of the middle rod is greater than the length of the threaded rod, and the middle rod and the threaded rod are arranged on the same axis.

[0012] As a further solution of the utility model: a plurality of toggle rods are welded to the bottom of the placement plate, and the plurality of toggle rods are distributed in a ring on the placement plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the movable plate is movably connected to the other side of the upper end of the bottom plate, and the fixed plate and one side of the movable plate are both connected to the clamping ball through the clamping block. The clamping ball rotates at multiple angles on the clamping block, and the clamping ball is connected to the clamping claw. The clamping end of the clamping claw clamps the two ends of the material through the cross plate and the tensioning rod. The movable plate is tightened by the steel cable. At the same time, the steel cable forms a pulley group through multiple movable pulleys and fixed pulleys. One end of the steel cable is connected to multiple counterweight blocks through the installation rod, so that the steel cable is pulled under the gravity of the counterweight block. The tension of the movable plate is adjusted by accumulating multiple counterweight blocks, and the stable and long-term tensile strength test of the clamped material is carried out. It occupies a small volume and does not require additional power equipment. It is easy to operate.

[0015] 2. In the utility model, a middle rod is fixedly welded through the middle part of the upper end of the bottom plate, a threaded rod is bolted to the middle part of the middle rod, a placement plate is welded to the upper end of the threaded rod, the bottom plate is used to weld the middle rod, the middle rod is threadedly connected to the threaded rod, the placement plate at the upper end of the threaded rod can be rotated to adjust the height, and the placement plate is used to place the test material, so that the clamping claws at both ends can clamp the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 3 It is a schematic diagram of the overall explosion structure of the utility model;

[0019] Figure 4 For the utility model Figure 3Enlarged structural diagram at B in the middle.

[0020] In the figure: 1. bottom plate; 2. support plate; 3. fixed plate; 4. reinforcement plate; 5. movable plate; 6. clamping block; 7. clamping ball; 8. clamping claw; 9. cross plate; 10. tension rod; 11. anti-skid plate; 12. movable pulley; 13. fixed pulley; 14. support rod; 15. steering wheel; 16. steel cable; 17. mounting rod; 18. counterweight; 19. middle rod; 20. threaded rod; 21. placement plate; 22. toggle rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-Figure 4In the embodiment of the utility model, a tensile and compressive strength detection device includes a bottom plate 1, a support plate 2 is welded at the bottom of the bottom plate 1, a fixed plate 3 is welded on one side of the upper end of the bottom plate 1, and a movable plate 5 is movably connected on the other side of the upper end of the bottom plate 1. A clamping block 6 is welded on one side of the fixed plate 3 and the movable plate 5, and a spherical groove is provided at the clamping end of the clamping block 6. A clamping ball 7 is rotatably clamped on the clamping block 6, and a clamping claw 8 is welded on one side of the clamping ball 7. A clamping groove is provided on the clamping claw 8. A cross plate 9 is welded to the clamping end, and tension rods 10 are installed on both sides of the cross plate 9. One side of the upper end of the movable plate 5 is movably connected to multiple movable pulleys 12, and one side of the upper end of the bottom plate 1 is movably connected to a fixed pulley 13. The upper end of the bottom plate 1 is fixedly connected to a steel cable 16, and the steel cable 16 is connected around the multiple movable pulleys 12 and the fixed pulley 13. A support rod 14 is welded to one side of the upper end of the bottom plate 1, and a steering wheel 15 is movably connected to the support rod 14. The steel cable 16 is placed on the upper end of the steering wheel 15. The steel cable 16 The free end is connected with a mounting rod 17, and a plurality of counterweights 18 are connected to the mounting rod 17. The bottom plate 1 is supported as a whole by the support plate 2 at the bottom. A fixed plate 3 is fixedly welded to the upper end of the bottom plate 1. The other side of the upper end of the bottom plate 1 is movably connected to the movable plate 5. One side of the fixed plate 3 and the movable plate 5 are both connected and installed with a clamping ball 7 through a clamping block 6. The clamping ball 7 rotates at multiple angles on the clamping block 6. The clamping ball 7 is connected to the clamping claw 8. The clamping end of the clamping claw 8 is connected to the material at both ends through the cross plate 9 and the tension rod 10. For clamping, the movable plate 5 is tightened by the steel cable 16. At the same time, the steel cable 16 forms a pulley group through multiple movable pulleys 12 and fixed pulleys 13. One end of the steel cable 16 is connected to multiple counterweights 18 through a mounting rod 17. The steel cable 16 is pulled under the gravity of the counterweight 18. The tension of the movable plate 5 is adjusted by accumulating multiple counterweights 18 to perform stable and long-term tensile strength testing of the clamped material. It occupies a small volume and does not require additional power equipment. It is easy to operate and has a good use effect.

[0024] Preferably, Figure 1 As shown, a reinforcing plate 4 is welded to one side of the fixing plate 3, and the other end of the reinforcing plate 4 is welded to the upper end of the bottom plate 1. The reinforcing plate 4 welded to one side of the fixing plate 3 provides reinforcing support to ensure a stable connection of the fixing plate 3.

[0025] Preferably, Figure 3 and Figure 4 As shown, two anti-skid plates 11 are embedded and installed inside the locking claw 8, and the locking claw 8 is bolted to the anti-skid plates 11. The anti-skid plates 11 bolted inside the locking claw 8 are reinforced for installation connection, thereby increasing the service life of the device.

[0026] Preferably, Figure 4 As shown, the width of the anti-skid plate 11 is equal to the width of the locking claw 8, and a plurality of anti-skid grooves are provided on the anti-skid plate 11. The friction force is further increased by the plurality of anti-skid grooves on the anti-skid plate 11, so that the material clamping is more stable.

[0027] Preferably, Figure 3 As shown, a center rod 19 is fixedly welded to the middle part of the upper end of the base plate 1, a threaded rod 20 is bolted to the middle part of the center rod 19, a placement plate 21 is welded to the upper end of the threaded rod 20, the center rod 19 is welded to the base plate 1, the center rod 19 is threadedly connected to the threaded rod 20, the placement plate 21 at the upper end of the threaded rod 20 can be rotated to adjust the height, and the placement plate 21 is used to place the test material, so that the clamping claws 8 at both ends can clamp the material.

[0028] Preferably, Figure 3 As shown, the length of the middle rod 19 is greater than that of the threaded rod 20. The middle rod 19 and the threaded rod 20 are arranged on the same axis. The threaded connection of the threaded rod 20 is performed through the longer middle rod 19 to avoid the middle rod 19 hindering the rotation of the threaded rod 20. The middle rod 19 and the threaded rod 20 on the same axis vertically lift and lower the placement plate 21.

[0029] Preferably, Figure 2 As shown, a plurality of toggle rods 22 are welded to the bottom of the placement plate 21, and the plurality of toggle rods 22 are distributed in a ring on the placement plate 21. The plurality of toggle rods 22 distributed in a ring at the bottom of the placement plate 21 are convenient for hand knob operation and convenient for adjusting the height.

[0030] The working principle of the utility model is as follows: the bottom plate 1 is supported as a whole by the support plate 2 at the bottom, a fixed plate 3 is fixedly welded on the upper end of the bottom plate 1, and the other side of the upper end of the bottom plate 1 is movably connected to the movable plate 5, and one side of the fixed plate 3 and the movable plate 5 are both connected and installed with a clamping ball 7 through a clamping block 6, and the clamping ball 7 rotates at multiple angles on the clamping block 6, and the clamping ball 7 is connected to the clamping claw 8. The clamping end of the clamping claw 8 clamps the two ends of the material through the cross plate 9 and the tensioning rod 10, and the movable plate 5 is tightened by the steel cable 16. At the same time, the steel cable 16 forms a pulley group through multiple movable pulleys 12 and fixed pulleys 13. One end of the steel cable 16 is connected to multiple counterweight blocks 18 through the mounting rod 17, so that the steel cable 16 is pulled under the gravity of the counterweight block 18, and the tension of the movable plate 5 is adjusted by accumulating multiple counterweight blocks 18, so as to carry out stable and long-term tensile strength detection of the clamped material, and the occupied volume is small. At the same time, no additional power equipment is required, and the operation is convenient.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tensile and compressive strength testing device, comprising a base plate (1), characterized in that: A support plate (2) is welded to the bottom of the base plate (1), a fixed plate (3) is welded to one side of the upper end of the base plate (1), and a movable plate (5) is movably connected to the other side of the upper end of the base plate (1). A clamping block (6) is welded to one side of each of the fixed plate (3) and the movable plate (5), and a spherical groove is provided at the clamping end of the clamping block (6). A clamping ball (7) is rotatably clamped on the clamping block (6), and a clamping claw (8) is welded to one side of the clamping ball (7), and a clamping groove is provided on the clamping claw (8). A horizontal plate (9) is welded to the clamping end of the clamping claw (8), and tension rods (10) are installed through both sides of the horizontal plate (9). One side of the upper end of the movable plate (5) is movably connected to a plurality of movable pulleys (12); one side of the upper end of the base plate (1) is movably connected to a fixed pulley (13); the upper end of the base plate (1) is fixedly connected to a steel cable (16); the steel cable (16) is connected around the plurality of movable pulleys (12) and the fixed pulley (13); one side of the upper end of the base plate (1) is welded to a support rod (14); a steering wheel (15) is movably connected to the support rod (14); the steel cable (16) is placed on the upper end of the steering wheel (15); the free end of the steel cable (16) is connected to a mounting rod (17); and a plurality of counterweights (18) are connected to the mounting rod (17).

2. A tensile and compressive strength testing device according to claim 1, characterized in that: A reinforcing plate (4) is welded to one side of the fixing plate (3), and the other end of the reinforcing plate (4) is welded to the upper end of the bottom plate (1).

3. A tensile and compressive strength testing device according to claim 1, characterized in that: Two anti-slide plates (11) are embedded and installed inside the locking claw (8), and the locking claw (8) is bolted to the anti-slide plates (11).

4. A tensile and compressive strength testing device according to claim 3, characterized in that: The width of the anti-slip plate (11) is equal to the width of the locking claw (8), and a plurality of anti-slip grooves are provided on the anti-slip plate (11).

5. The tensile and compressive strength testing device according to claim 1, characterized in that: A middle rod (19) is fixedly welded to the middle of the upper end of the bottom plate (1), a threaded rod (20) is bolted to the middle of the middle rod (19), and a placement plate (21) is welded to the upper end of the threaded rod (20).

6. A tensile and compressive strength testing device according to claim 5, characterized in that: The length of the middle rod (19) is greater than the length of the threaded rod (20), and the middle rod (19) and the threaded rod (20) are arranged on the same axis.

7. A tensile and compressive strength testing device according to claim 5, characterized in that: A plurality of toggle rods (22) are welded to the bottom of the placement plate (21), and the plurality of toggle rods (22) are distributed in a ring shape on the placement plate (21).

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