Porous light material test fixture

Abstract

The utility model discloses a porous light material test fixture, which relates to the field of material test equipment and comprises an equipment main frame, a bidirectional motor is fixed on the outer wall of the side surface of the equipment main frame, a bidirectional ball screw is inserted into the inner wall of the side surface of the equipment main frame, and two groups of screw nuts are mounted on the outer wall of the bidirectional ball screw. The two sets of lead screw nuts are symmetrically distributed on the outer wall of the bidirectional ball screw, sliding blocks are installed on the outer walls of the lead screw nuts, guide rods are fixed to the inner wall of the equipment main frame, hydraulic rods are fixed to the outer walls of the bottoms of the sliding blocks, and main clamping plates are installed on the outer walls of the bottoms of the hydraulic rods. Two sets of hydraulic equipment are installed at the bottom, away from the two-way ball screw, of the side inner wall of the equipment main frame and symmetrically distributed at the bottom, away from the two-way ball screw, of the side inner wall of the equipment main frame, and auxiliary clamping plates are installed on the side outer walls of the hydraulic equipment. According to the utility model, the clamping efficiency of the device can be improved, and the test effect of the device can be enhanced.

Description

Technical Field

[0001] The utility model relates to the field of material testing equipment, in particular to a porous lightweight material testing fixture. Background Art

[0002] At present, the loading device of the general material testing machine is suitable for flat and square specimens, but it is not suitable for spherical or spherical composite specimens, thin and small specimens of porous lightweight materials, and the existing fixture cannot load them. For thin and small specimens, the existing testing instruments cannot perform a variety of mechanical tests.

[0003] For example, the patented porous lightweight material test fixture (Announcement No.: CN201464292U) includes a top plate, a bottom plate and a side plate constituting a box-shaped space, a loading rod extending into the box-shaped space is arranged on the top plate, a pressure plate is installed under the loading rod, and a positioning plate adjusted by a limit bolt is arranged on the side plate. The fixture has the advantages of simple structure and can be quickly assembled and disassembled according to different test items, which can solve the problem that the existing material testing machine has difficulty in testing and loading spherical and combined test pieces and porous lightweight material test pieces with small thickness.

[0004] The above patent uses a top plate, a bottom plate and a side plate to achieve a simple structure, which can be quickly loaded and unloaded according to different test items. In daily use, the top plate and the side plate require the staff to manually control the bolts and nuts to adjust the distance between the main plate, the side plate and the material. When facing materials of different specifications, they need to be adjusted manually constantly, which causes the device to clamp the material slowly, reducing the clamping efficiency of the device. Therefore, it is necessary to invent a porous lightweight material test fixture to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a porous light material test fixture to solve the problem of low clamping efficiency proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a porous lightweight material testing fixture, comprising an equipment main frame, a bidirectional motor is fixed to the side outer wall of the equipment main frame, a bidirectional ball screw is inserted into the side inner wall of the equipment main frame, two groups of screw nuts are installed on the outer wall of the bidirectional ball screw, the two groups of screw nuts are symmetrically distributed on the outer wall of the bidirectional ball screw, a sliding block is installed on the outer wall of the screw nut, a guide rod is fixed to the inner wall of the equipment main frame, a hydraulic rod is fixed to the bottom outer wall of the sliding block, a main clamping plate is installed on the bottom outer wall of the hydraulic rod, two groups of hydraulic equipment are installed on the side inner wall of the equipment main frame away from the bottom of the bidirectional ball screw, the two groups of hydraulic equipment are symmetrically distributed on the side inner wall of the equipment main frame away from the bottom of the bidirectional ball screw, and a secondary clamping plate is installed on the side outer wall of the hydraulic equipment.

[0007] Preferably, a plurality of groups of supporting protrusions are fixed to the inner side wall of the auxiliary clamping plate, and two groups of auxiliary plates are inserted into the outer wall of the auxiliary clamping plate, and the two groups of auxiliary plates are symmetrically distributed on the outer wall of the auxiliary clamping plate.

[0008] Preferably, a telescopic rod is inserted into one side of the auxiliary plate.

[0009] Preferably, a rubber protrusion is installed on the inner wall of the side of the auxiliary plate.

[0010] Preferably, two groups of firm ribs are fixed to the inner wall of the equipment main frame, and the two groups of firm ribs are symmetrically distributed on the inner wall of the equipment main frame.

[0011] Preferably, two groups of tension sensors are installed on the top inner wall of the main frame of the equipment, and the two groups of tension sensors are symmetrically distributed on the top inner wall of the main frame of the equipment. A connecting handle is installed on the top outer wall of the tension sensor.

[0012] Preferably, a display screen is installed on the top outer wall of the device main frame, and a plurality of groups of water drop holes are provided on the side outer wall of the device main frame.

[0013] Technical effects and advantages of the utility model:

[0014] 1. In the utility model, the bidirectional motor fixed on the outer wall of the side of the main frame of the equipment is powered on and operated, and the two sets of screw nuts twisted on the outer wall can be driven to move in opposite directions through the bidirectional ball screw connected on one side. The operation of the screw nut can drive the sliding block embedded in the outer wall to move quasi-directionally on the guide rod. The operation of the hydraulic rod connected to the bottom of the sliding block can drive the main clamping plate connected to the bottom to rise and fall, and the operation of the hydraulic device installed on the inner wall of the side of the main frame of the equipment can drive the auxiliary clamping plate connected on one side to move, so that the device can quickly clamp materials of different sizes, so that the clamping efficiency of the device is improved;

[0015] 2. In the utility model, multiple groups of supporting protrusions installed on the main clamping plate and the auxiliary clamping plate can increase the friction with the porous material. The operation of the telescopic rod plugged into the main clamping plate and the auxiliary clamping plate can drive the auxiliary plate plugged on one side to rotate. The rubber protrusions installed on the auxiliary plate can increase the friction with the special-shaped material. The two groups of firm ribs on the main frame of the equipment can increase the overall structural strength of the device. The weight of the material clamped by the device can be monitored by the tension sensor connected to the bottom by pulling the connecting handle. The monitored data can be transmitted to the display screen, and the water drop holes opened on the outer wall of the side of the device can reduce the weight of the device, thereby facilitating the staff to test the material and enhancing the test effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a porous lightweight material test fixture.

[0018] Figure 2 The utility model is a schematic diagram of the top view of a porous lightweight material test fixture.

[0019] Figure 3 The utility model is a schematic diagram of the structure of a porous lightweight material test fixture in a bottom view.

[0020] Figure 4 The utility model is a schematic diagram of the explosion structure of a porous lightweight material test fixture.

[0021] In the figure: 1. Main frame of the equipment; 2. Bidirectional motor; 3. Bidirectional ball screw; 4. Screw nut; 5. Sliding block; 6. Guide rod; 7. Hydraulic rod; 8. Main clamping plate; 9. Hydraulic equipment; 10. Auxiliary clamping plate; 11. Support protrusion; 12. Auxiliary plate; 13. Telescopic rod; 14. Rubber protrusion; 15. Fixing rib; 16. Tension sensor; 17. Connecting handle; 18. Display screen; 19. Water drop hole. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-4The porous lightweight material test fixture shown in the figure includes a device main frame 1, a bidirectional motor 2 is fixed to the side outer wall of the device main frame 1, wherein the user can fix the bidirectional motor 2 to the side outer wall of the device main frame 1, and the rotor of the bidirectional motor 2 is inserted into the device main frame 1, so that the bidirectional motor 2 and the device main frame 1 are firmly connected, and a bidirectional ball screw 3 is inserted into the side inner wall of the device main frame 1, wherein the user can insert both ends of the bidirectional ball screw 3 into the side inner wall of the device main frame 1 and connect with the rotor of the bidirectional motor 2, so that the bidirectional motor The power-on operation of 2 can drive the bidirectional ball screw 3 to rotate in the main frame 1 of the equipment. Two sets of screw nuts 4 are installed on the outer wall of the bidirectional ball screw 3. The two sets of screw nuts 4 are symmetrically distributed on the outer wall of the bidirectional ball screw 3. The user can symmetrically twist the two sets of screw nuts 4 on the outer wall of the bidirectional ball screw 3 so that the rotation of the bidirectional ball screw 3 can drive the two sets of screw nuts 4 to move in opposite directions. The outer wall of the screw nut 4 is installed with a sliding block 5. The inner wall of the main frame 1 of the equipment is fixed with a guide rod 6. The user can insert the inner wall of the sliding block 5 into the outer wall of the main frame 1 of the equipment. The outer wall of the screw nut 4 is engaged with one side, and the outer wall of the guide rod 6 is inserted on the other side, so that the operation of the screw nut 4 can drive the sliding block 5 to move on the guide rod 6. A hydraulic rod 7 is fixed to the outer wall of the bottom of the sliding block 5, and a main clamping plate 8 is installed on the outer wall of the bottom of the hydraulic rod 7. The user can fix the hydraulic rod 7 on the main clamping plate 8 to the bottom of the sliding block 5, so that the sliding block 5 can drive the movement of the main clamping plate 8 through the hydraulic rod 7. The operation of the hydraulic rod 7 can drive the lifting of the main clamping plate 8, so that the device is convenient for clamping materials of different sizes at both ends. Two groups of hydraulic equipment 9 are installed on the inner wall of the side of the equipment main frame 1 away from the bottom of the two-way ball screw 3. The two groups of hydraulic equipment 9 are symmetrically distributed on the inner wall of the side of the equipment main frame 1 away from the bottom of the two-way ball screw 3. A secondary clamping plate 10 is installed on the outer wall of the side of the hydraulic equipment 9. The user can fix the hydraulic equipment 9 connected to one side of the secondary clamping plate 10 on the inner wall of the side of the equipment main frame 1, so that the operation of the hydraulic equipment 9 can drive the movement of the secondary clamping plate 10, thereby facilitating the device to clamp the other two ends of the material, thereby improving the clamping efficiency of the device.

[0024] A plurality of groups of supporting protrusions 11 are fixed to the inner wall of the side of the auxiliary clamping plate 10, and two groups of auxiliary plates 12 are inserted into the outer wall of the auxiliary clamping plate 10. The two groups of auxiliary plates 12 are symmetrically distributed on the outer wall of the auxiliary clamping plate 10. The user can fix the plurality of groups of supporting protrusions 11 on the main clamping plate 8 and the auxiliary clamping plate 10 respectively, so that the main clamping plate 8 and the auxiliary clamping plate 10 can increase the friction with the porous material through the supporting protrusions 11, and the two groups of auxiliary plates 12 are respectively inserted into the outer walls of the main clamping plate 8 and the auxiliary clamping plate 10, so that the auxiliary plates 12 can rotate on the main clamping plate 8 and the auxiliary clamping plate 10.

[0025] A telescopic rod 13 is inserted on one side of the auxiliary plate 12, and the user can respectively insert the two ends of the two sets of telescopic rods 13 into the auxiliary plate 12 and the auxiliary clamping plate 10, so that the operation of the telescopic rod 13 can drive the rotation of the auxiliary plate 12 through the auxiliary clamping plate 10, thereby facilitating the device to clamp special-shaped materials.

[0026] The inner wall of the side of the auxiliary plate 12 is installed with a rubber protrusion 14 , wherein the user can install the rubber protrusion 14 on the auxiliary plate 12 so that the auxiliary plate 12 can increase the friction with the special-shaped material through the rubber protrusion 14 .

[0027] Two groups of fixing ribs 15 are fixed to the inner wall of the equipment main frame 1 , and the two groups of fixing ribs 15 are symmetrically distributed on the inner wall of the equipment main frame 1 . The user can symmetrically fix the two groups of fixing ribs 15 in the equipment main frame 1 to increase the overall structural strength of the equipment main frame 1 .

[0028] Two groups of tension sensors 16 are installed on the top inner wall of the equipment main frame 1. The two groups of tension sensors 16 are symmetrically distributed on the top inner wall of the equipment main frame 1. A connecting handle 17 is installed on the top outer wall of the tension sensor 16. The user can symmetrically install the two groups of tension sensors 16 on the equipment main frame 1, and the connecting handle 17 is connected to the top of the tension sensor 16, so that the staff can monitor the weight of the material clamped by the device through the tension sensor 16 after pulling the connecting handle 17.

[0029] A display screen 18 is installed on the top outer wall of the equipment main frame 1, and multiple groups of water drop holes 19 are opened on the side outer wall of the equipment main frame 1. The data monitored by the tension sensor 16 can be transmitted to the display screen 18, so that the staff can understand the weight of the clamped material. The multiple groups of water drop holes 19 on the equipment main frame 1 can reduce the weight without affecting the structure, thereby enhancing the test effect of the device.

[0030] Working principle: The bidirectional motor 2 fixed on the side outer wall of the main frame 1 of the equipment is powered on and can drive the two sets of screw nuts 4 twisted on the outer wall to move in opposite directions through the bidirectional ball screw 3 connected on one side. The operation of the screw nut 4 can drive the sliding block 5 embedded in the outer wall to move quasi-directionally on the guide rod 6. The operation of the hydraulic rod 7 connected to the bottom of the sliding block 5 can drive the main clamping plate 8 connected to the bottom to rise and fall, and the operation of the hydraulic device 9 installed on the inner wall of the side of the main frame 1 of the equipment can drive the auxiliary clamping plate 10 connected on one side to move, so that the device can quickly clamp materials of different sizes, thereby improving the clamping efficiency of the device; the multiple sets of support protrusions 11 installed on the main clamping plate 8 and the auxiliary clamping plate 10 can increase the friction with the porous material. The operation of the telescopic rod 13 plugged into the main clamping plate 8 and the sub-clamping plate 10 can drive the auxiliary plate 12 plugged on one side to rotate, and the rubber protrusions 14 installed on the auxiliary plate 12 can increase the friction with the special-shaped materials. The two sets of firm ribs 15 on the main frame 1 of the equipment can increase the overall structural strength of the device. The weight of the material clamped by the device is monitored by pulling the connecting handle 17 through the tension sensor 16 connected to the bottom, and the monitored data can be transmitted to the display screen 18. The water droplet holes 19 opened on the outer wall of the side of the device can reduce the weight of the device, thereby facilitating the staff to test the materials and enhancing the test effect of the device, thereby realizing the function of improving the clamping efficiency and enhancing the test effect of a porous lightweight material test fixture.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A porous lightweight material test fixture, comprising a main frame (1), characterized in that: A bidirectional motor (2) is fixed to the side outer wall of the main frame (1) of the device, a bidirectional ball screw (3) is inserted into the side inner wall of the main frame (1), two groups of screw nuts (4) are installed on the outer wall of the bidirectional ball screw (3), the two groups of screw nuts (4) are symmetrically distributed on the outer wall of the bidirectional ball screw (3), a sliding block (5) is installed on the outer wall of the screw nut (4), a guide rod (6) is fixed to the inner wall of the main frame (1), and the sliding block (5) is installed on the outer wall of the screw nut (4). A hydraulic rod (7) is fixed to the bottom outer wall of the block (5), and a main clamping plate (8) is installed on the bottom outer wall of the hydraulic rod (7). Two groups of hydraulic devices (9) are installed on the side inner wall of the equipment main frame (1) away from the bottom of the bidirectional ball screw (3). The two groups of hydraulic devices (9) are symmetrically distributed on the side inner wall of the equipment main frame (1) away from the bottom of the bidirectional ball screw (3), and a secondary clamping plate (10) is installed on the side outer wall of the hydraulic device (9).

2. A porous lightweight material test fixture according to claim 1, characterized in that: A plurality of groups of supporting protrusions (11) are fixed to the inner side wall of the auxiliary clamping plate (10), and two groups of auxiliary plates (12) are inserted into the outer wall of the auxiliary clamping plate (10). The two groups of auxiliary plates (12) are symmetrically distributed on the outer wall of the auxiliary clamping plate (10).

3. A porous lightweight material test fixture according to claim 2, characterized in that: A telescopic rod (13) is inserted into one side of the auxiliary plate (12).

4. A porous lightweight material test fixture according to claim 2, characterized in that: A rubber protrusion (14) is installed on the inner wall of the side of the auxiliary plate (12).

5. A porous lightweight material test fixture according to claim 1, characterized in that: Two groups of fixing ribs (15) are fixed to the inner wall of the equipment main frame (1), and the two groups of fixing ribs (15) are symmetrically distributed on the inner wall of the equipment main frame (1).

6. A porous lightweight material test fixture according to claim 1, characterized in that: Two groups of tension sensors (16) are installed on the top inner wall of the main frame (1) of the equipment. The two groups of tension sensors (16) are symmetrically distributed on the top inner wall of the main frame (1). A connecting handle (17) is installed on the top outer wall of the tension sensor (16).

7. A porous lightweight material test fixture according to claim 1, characterized in that: A display screen (18) is installed on the top outer wall of the device main frame (1), and a plurality of groups of water drop holes (19) are provided on the side outer wall of the device main frame (1).

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