Mechanical tensile experiment device

Abstract

The utility model discloses a mechanical tensile experiment device, which relates to the technical field of mechanical experiments and comprises a workbench, a first screw is rotatably mounted on the inner side of the workbench, the outer side of the first screw is in threaded connection with a moving block, and the moving block is arranged on the inner side of the workbench and is in sliding contact with the workbench. According to the mechanical tensile experiment device, a second rotating handle is rotated to drive one set of second worms to rotate, so that one gear is driven to rotate, the other gear is driven to rotate in a meshed mode, the other set of second worms rotate along with the second worms, and the second worms are driven to rotate along with the second rotating handle. And four second worm wheels are driven to rotate in a meshed mode to drive four third screw rods to rotate, so that four movable frames are driven to move up and down for adjustment, the height of the workbench is correspondingly adjusted, the device is suitable for operators of different heights, independent adjustment one by one is not needed, operation is rapid, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanics experimental technique field, concretely is a kind of mechanics tensile test device. BACKGROUND

[0002] Mechanics is the strain, stress, strength, stiffness, stability and limit that cause the destruction of various materials under various external forces, and the tensile test of mechanics is mainly to use mechanics tensile test device to clamp different materials and then perform tensile test, to study different phenomena of different materials.

[0003] The present application discloses a kind of mechanics tensile test device, including workbench and experimental assembly, experimental assembly includes first threaded lead screw, slider, pointer, ruler, placement table and clamping part;First threaded lead screw and workbench are rotatably connected;The number of placement table is two, one of which is fixedly arranged on the slider, and the other is fixedly arranged on the workbench;The number of clamping part is two, and two clamping parts are respectively arranged on two placement tables.

[0004] In the above scheme, although there are many benefits, but also have the following defects: the height position of the workbench is adjusted by the personnel to release the locking of the four locking bolts respectively, then the height position of the four inner columns is adjusted, and then the four locking bolts are used to fix and adjust the inner columns. In the actual working process, the personnel need to adjust and process the four inner columns one by one, which is relatively troublesome to operate, and the effect of use is not very good. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of mechanics tensile test device, to solve the problem that personnel need to adjust and process the four inner columns one by one in the actual working process in the prior art, which is relatively troublesome to operate, and the effect of use is not very good.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a mechanical tensile test device, including the workstation, the inner side rotation of the workstation is equipped with a screw rod, the outer side of the screw rod is connected with the moving block, the moving block is located in the inner side of the workstation and is in sliding contact with the workstation, the one end of the screw rod is fixedly installed with the rotating disc which penetrates the workstation, the top of the moving block and the top of the workstation are fixedly installed with the placing block, the side of one of the placing block is fixedly installed with the pointer, the top of the workstation is fixedly installed with the measuring scale, the top of the workstation is equipped with the fixed structure, the bottom of the workstation is equipped with the adjusting structure, the adjusting structure includes four moving frames and the bottom plate, the four moving frames are fixedly installed at the bottom of the workstation, the moving block is located in the inner side of the workstation and is in sliding contact with the workstation, and the moving block can be limited, the moving block is prevented from rotating, and the moving block can be stably moved when the screw rod rotates.

[0007] Preferably, the top of the bottom plate is rotatably installed with four third screw rods, four third screw rods are respectively arranged on the inner side of the four moving frames and are respectively in threaded connection with the four moving frames, and the four third screw rods are oppositely threaded in pairs.

[0008] Preferably, the outer side of the four third screw rods is fixedly installed with a second worm wheel, the top of the bottom plate is fixedly installed with two second fixed seats, the side of the two second fixed seats is rotatably installed with two second worm gears, the four second worm gears are in pairs, the second worm gears in each group are fixedly connected, and the four second worm gears are in meshing connection with the four second worm wheels.

[0009] Preferably, the end of the two second worm gears is fixedly installed with a gear which penetrates the second fixed seat, the gears are in meshing connection with each other, and the end of the other second worm gear is fixedly installed with a second handle which penetrates the other second fixed seat.

[0010] Preferably, the fixed structure includes a fixed frame, the fixed frame is fixedly installed at the top of the workstation, the inner side of the fixed frame is slidably installed with a moving plate, the top of the moving plate is rotatably installed with a second screw rod, the end of the second screw rod penetrates the fixed frame and is in threaded connection with the fixed frame, the bottom of the moving plate is provided with a T-shaped sliding groove, the T-shaped sliding groove is slidably installed with a T-shaped plate, and the bottom of the moving plate and the T-shaped plate is fixedly installed with a vertical plate.

[0011] Preferably, the bottom of each of the two vertical plates is fixedly provided with a pressing plate, the top of each of the two placing blocks is fixedly provided with a U-shaped frame, the two vertical plates respectively penetrate through the two U-shaped frames and are in sliding contact with the two U-shaped frames, and the two pressing plates are respectively arranged on the inner sides of the two U-shaped frames and are in sliding contact with the two U-shaped frames.

[0012] Preferably, the top of the fixing frame is rotatably provided with a first worm wheel, a circular notch is formed in the middle of the first worm wheel, the second screw rod penetrates through the circular notch and is in non-contact with the first worm wheel, the top of the first worm wheel is fixedly provided with two vertical rods, the top of the second screw rod is fixedly provided with a horizontal plate, the two vertical rods penetrate through the horizontal plate and are in sliding contact with the horizontal plate, the top of the fixing frame is fixedly provided with two first fixing bases, a first worm is rotatably arranged between the two first fixing bases, the first worm wheel is in meshing connection with the first worm, and one end of the first worm penetrates through one of the first fixing bases and is fixedly provided with a first handle.

[0013] Compared with the prior art, the mechanical tensile experiment device has the following beneficial effects:

[0014] 1、The second handle is rotated to drive one of the second worms to rotate, thereby driving one of the gears to rotate, driving the other gear to meshingly rotate, driving the other second worm to rotate, thereby driving the four second worm wheels to meshingly rotate, driving the four third screw rods to rotate, thereby driving the four moving frames to move up and down for adjustment, and the height of the workbench is adjusted accordingly, which is suitable for operators with different heights and does not need to be adjusted one by one, operation is quick, and the practicability of the device is improved.

[0015] 2、The first handle is rotated to drive the first worm to rotate, thereby driving the first worm wheel to meshingly rotate, driving the two vertical rods to move in a circular motion with the first worm wheel as the center, thereby driving the horizontal plate to move in a circular motion, driving the second screw rod to rotate, thereby driving the moving plate, the two vertical plates at the bottom of the moving plate and the two pressing plates to move downwards, thereby enabling the two pressing plates to press downwards to fix the experimental materials, operation is simple and convenient, the two end positions of the experimental materials do not need to be fixed respectively, and the use effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the mechanical tensile experiment device.

[0017] Figure 2 It is a structure schematic view of the experimental part of the mechanical tensile experiment device.

[0018] Figure 3The utility model discloses a mechanical tensile test device's moving plate, T-shaped plate, vertical board and the pressure plate structure schematic view.

[0019] Figure 4 The utility model discloses a mechanical tensile test device's adjusting structure schematic view.

[0020] Figure 5 The utility model discloses a mechanical tensile test device's moving frame sectional view.

[0021] The utility model discloses a mechanical tensile test device's moving plate, T-shaped plate, vertical board and the pressure plate structure schematic view. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described below in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making the creative labor all belong to the range of the utility model protection.

[0023] Embodiment: as Figures 1-5 The utility model discloses a mechanical tensile test device's technical scheme, including workbench 1, the inner side of workbench 1 rotates and is installed with screw rod no. 2, the outer side screw connection of screw rod no. 2 has moving block 3, and moving block 3 sets up in the inner side of workbench 1 and with workbench 1 sliding contact, and one end of screw rod no. 2 is fixedly installed with carousel 4 and penetrates workbench 1, and the top of moving block 3 and the top of workbench 1 all are fixedly installed with placing block 5, and one side of one of placing block 5 is fixedly installed with pointer 6, and the top of workbench 1 is fixedly installed with measuring scale 7, and the top of workbench 1 is provided with fixed structure, and the bottom of workbench 1 is provided with adjusting structure, and adjusting structure includes four moving frames 21 and bottom plate 22, and four moving frames 21 all are fixedly installed in the bottom of workbench 1.

[0024] The top of bottom plate 22 rotates and is installed with four third screw rods 23, and four third screw rods 23 are arranged in the inner side of four moving frames 21 respectively and are connected with four moving frames 21 respectively.

[0025] The outer side of the four third screw rods 23 is fixedly installed with the second worm wheel 24, the top of the bottom plate 22 is fixedly installed with the two second fixed seats 25, the side of the two second fixed seats 25 is rotatably installed with the two second worm gears 26, the four second worm gears 26 are in pairs, and each pair of second worm gears 26 is fixedly connected, and the four second worm gears 26 are in meshing connection with the four second worm wheels 24.

[0026] One end of the two second worm gears 26 penetrates the one second fixed seat 25 and is fixedly installed with the gear 27, the two gears 27 are in meshing connection with each other, and one end of the other second worm gear 26 penetrates the other second fixed seat 25 and is fixedly installed with the second handle 28.

[0027] The fixing structure comprises a fixing frame 8, the fixing frame 8 is fixedly installed on the top of the workbench 1, the inner side of the fixing frame 8 is slidably installed with a moving plate 10, the top of the moving plate 10 is rotatably installed with a second screw rod 9, one end of the second screw rod 9 penetrates the fixing frame 8 and is in threaded connection with the fixing frame 8, the bottom of the moving plate 10 is provided with a T-shaped sliding groove, the T-shaped sliding groove is slidably installed with a T-shaped plate 11, and the bottom of the moving plate 10 and the T-shaped plate 11 is fixedly installed with a vertical plate 12.

[0028] The bottom of the two vertical plates 12 is fixedly installed with a pressing plate 13, the top of the two placing blocks 5 is fixedly installed with a U-shaped frame 14, the two vertical plates 12 respectively penetrate the two U-shaped frames 14 and respectively slide in contact with the two U-shaped frames 14, and the two pressing plates 13 are respectively arranged on the inner side of the two U-shaped frames 14 and respectively slide in contact with the two U-shaped frames 14.

[0029] The top of the fixing frame 8 is rotatably installed with a first worm wheel 15, the middle position of the first worm wheel 15 is provided with a circular notch, the second screw rod 9 penetrates the circular notch and is in non-contact with the first worm wheel 15, the top of the first worm wheel 15 is fixedly installed with two vertical rods 16, the top of the second screw rod 9 is fixedly installed with a horizontal plate 17, the two vertical rods 16 penetrate the horizontal plate 17 and slide in contact with the horizontal plate 17, the top of the fixing frame 8 is fixedly installed with the two first fixed seats 18, the two first fixed seats 18 are rotatably installed with a first worm gear 19, the first worm wheel 15 and the first worm gear 19 are in meshing connection, and one end of the first worm gear 19 penetrates the one first fixed seat 18 and is fixedly installed with a first handle 20.

[0030] It needs to be explained that the utility model discloses a mechanical tensile test device, when using, the material required for experiment is placed on the top of two placing blocks 5, then rotates the handle 20 and drives the first worm 19 to rotate, thereby drive the first worm 15 to rotate and mesh, to drive the two vertical rods 16 to make the circumferential motion with the first worm 15 as the center, thereby drive the horizontal plate 17 to move along with the circumferential motion, to drive the second screw rod 9 to rotate, thereby drive the moving plate 10 and the two vertical plates 12 and two pressing plates 13 on the bottom thereof to move downwards, thereby make the two pressing plates 13 press downwards and fix the experimental material placed, simple and convenient to operate, need not operate the two end positions of the fixed experimental material respectively, improve the use effect of the device.

[0031] When the experimental material is fixed, rotate the disc 4 and drive the first screw rod 2 to rotate, thereby drive the moving block 3 to move, to drive one of the placing blocks 5 to move, along with the movement of the placing block 5, one of the U-shaped frames 14 will be moved, at this time, the T-shaped plate 11 will slide in the T-shaped slot of the moving plate 10, to drive one of the vertical plates 12 and one of the pressing plates 13 to move, to stretch the experimental material placed, then according to the distance of stretching, record the position of the pointer 6 pointing to the measuring scale 7, thereby obtain the required tensile test data.

[0032] When the operators with different heights use, rotate the second handle 28 and drive one of the second worms 26 to rotate, thereby drive one of the gears 27 to rotate, to drive the other gear 27 to mesh and rotate, make the other second worm 26 rotate, thereby drive the four second worms 24 to mesh and rotate, to drive the four third screw rods 23 to rotate, thereby drive the four moving frames 21 to move up and down and adjust, to make the height of the workbench 1 adjust accordingly, suitable for operators with different heights, need not adjust individually, quick operation, improve the practicability of the device.

[0033] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

Claims

1. A mechanical tensile testing apparatus, characterized by: The system includes a workbench (1), on which a screw (2) is rotatably mounted. A moving block (3) is threadedly connected to the outer side of the screw (2). The moving block (3) is located on the inner side of the workbench (1) and slides in contact with the workbench (1). A turntable (4) is fixedly mounted through the workbench (1) at one end of the screw (2). Placement blocks (5) are fixedly mounted on the top of the moving block (3) and the top of the workbench (1). A pointer (6) is fixedly mounted on one side of one of the placement blocks (5). A measuring ruler (7) is fixedly mounted on the top of the workbench (1). A fixing structure is provided on the top of the workbench (1). An adjustment structure is provided on the bottom of the workbench (1). The adjustment structure includes four moving frames (21) and a base plate (22). All four moving frames (21) are fixedly mounted on the bottom of the workbench (1).

2. The mechanical tensile testing device of claim 1, wherein: Four No. 3 screws (23) are rotatably mounted on the top of the base plate (22). The four No. 3 screws (23) are respectively located on the inner side of the four movable frames (21) and are threadedly connected to the four movable frames (21).

3. The mechanical tensile testing device of claim 2, wherein: Two worm gears (24) are fixedly installed on the outer sides of the four No. 3 screws (23). Two No. 2 fixing seats (25) are fixedly installed on the top of the base plate (22). Two No. 2 worms (26) are rotatably installed on one side of each of the two No. 2 fixing seats (25). The four No. 2 worms (26) are in pairs, and each pair of No. 2 worms (26) is fixedly connected. The four No. 2 worms (26) are respectively meshed with the four No. 2 worm gears (24).

4. The mechanical tensile testing device of claim 3, wherein: One end of each of the two No. 2 worm gears (26) passes through one of the No. 2 fixed seats (25) and is fixedly mounted with a gear (27). The two gears (27) are meshed with each other. One end of the other No. 2 worm gear (26) passes through the other No. 2 fixed seat (25) and is fixedly mounted with a No. 2 throttle (28).

5. The mechanical tensile testing device of claim 1, wherein: The fixed structure includes a fixed frame (8), which is fixedly installed on the top of the workbench (1). A movable plate (10) is slidably installed on the inner side of the fixed frame (8). A second screw (9) is rotatably installed on the top of the movable plate (10). One end of the second screw (9) passes through the fixed frame (8) and is threadedly connected to the fixed frame (8). A T-shaped groove is provided at the bottom of the movable plate (10). A T-shaped plate (11) is slidably installed inside the T-shaped groove. A vertical plate (12) is fixedly installed at the bottom of both the movable plate (10) and the T-shaped plate (11).

6. The mechanical tensile testing device of claim 5, wherein: A pressure plate (13) is fixedly installed at the bottom of each of the two vertical plates (12), and a U-shaped frame (14) is fixedly installed at the top of each of the two placement blocks (5). The two vertical plates (12) pass through the two U-shaped frames (14) respectively and slide in contact with the two U-shaped frames (14). The two pressure plates (13) are respectively set on the inner side of the two U-shaped frames (14) and slide in contact with the two U-shaped frames (14).

7. The mechanical tensile testing device of claim 5, wherein: The top of the fixing frame (8) is rotatably provided with a first worm gear (15), a circular notch is formed in the middle of the first worm gear (15), the second screw rod (9) penetrates the circular notch and is not in contact with the first worm gear (15), the top of the first worm gear (15) is fixedly provided with two vertical rods (16), the top of the second screw rod (9) is fixedly provided with a horizontal plate (17), the two vertical rods (16) penetrate the horizontal plate (17) and are in sliding contact with the horizontal plate (17), the top of the fixing frame (8) is fixedly provided with two first fixing bases (18), a first worm (19) is rotatably arranged between the two first fixing bases (18), the first worm gear (15) and the first worm (19) are meshedly connected, and one end of the first worm (19) penetrates one of the first fixing bases (18) and is fixedly provided with a first handle (20).

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