Tensile strength test protection device

Abstract

The utility model discloses a tensile strength test protection device, and mainly relates to a tensile strength test device. Comprising a base, a plurality of supporting columns are fixedly connected to the lower surface of the base, a lower clamping jaw is installed on the upper surface of the base, two lifting bases are fixedly connected to the upper surface of the base, a top plate is fixedly connected to the upper surfaces of the lifting bases, a lifting plate is slidably connected to the sides, close to each other, of the two lifting bases, and an upper clamping jaw is installed on the lower surface of the lifting plate; two adjusting structures are arranged on the upper surface of the top plate, and each adjusting structure comprises a fixing base. The protective cover has the beneficial effects that in the tensile strength test process of an article, the protective cover can be used for protecting and covering the device, so that people are prevented from being hurt by splashing fragments caused by sudden breakage or ejection of the article or components of the device, and fragment scattering caused by breakage or fragmentation of the article in the tensile process can be avoided; therefore, the practicability of the strength testing device is improved.

Description

Technical Field

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

[0002] The tensile strength testing device is mainly used to test the tensile strength of an object.

[0003] The prior art mainly uses a tensile testing machine to test the tensile strength of an object. When using a tensile testing machine to test the tensile strength of an object to be tested, it is necessary to first fix the object to be tested with the help of a clamp, and then raise the height of the upper clamp to test the tensile strength of the object. However, the traditional tensile strength testing device has no external protective structure when in use. During the test, the object or parts of the device are prone to sudden breakage or ejection, resulting in flying fragments that injure people. Moreover, if the object breaks or breaks during the stretching process, the lack of a protective structure can easily cause the fragments to scatter and pollute the experimental environment. Utility Model Content

[0004] The utility model aims to solve the defect that the tensile strength test device in the prior art has no external protective structure when in use, and proposes a tensile strength test protection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tensile strength test protection device, comprising a base, a plurality of support columns are fixedly connected to the lower surface of the base, a lower clamping claw is installed on the upper surface of the base, two lifting seats are fixedly connected to the upper surface of the base, a top plate is fixedly connected to the upper surface of the lifting seat, a lifting plate is slidably connected to the side of the two lifting seats close to each other, an upper clamping claw is installed on the lower surface of the lifting plate, and two adjustment structures are arranged on the upper surface of the top plate, the adjustment structure comprises a fixed seat, and the lower surface of the fixed seat is fixedly connected to the top plate. The inner wall of the fixed seat is rotatably connected with a rotating shaft, the arc surface of the rotating shaft is fixedly connected with a connecting plate, a protective cover is fixedly connected to one side of the connecting plate, a sealing ring is fixedly connected to the side of the protective cover close to the lifting seat, one side of the sealing ring is in contact with the lifting seat, and a handle is fixedly connected to the side of the protective cover away from the lifting seat, and the cross-section of the handle is "U"-shaped, a partition is fixedly connected to one side of the protective cover, a screw hole is opened on one side of the partition, and two fixing plates are fixedly connected to the upper surface of the base, and screws are threaded through the side surfaces of the fixing plates, and the sizes of the screws and screw holes are adapted.

[0006] The effect achieved by the above components is: by setting the adjustment structure, during the tensile strength test, the protective cover can provide protective covering for the outside of the device, thereby preventing the object to be tested or the parts of the device from suddenly breaking or popping out, causing flying fragments to injure people, and preventing the fragments from scattering due to the breaking or breaking of the object to be tested during the stretching process, causing pollution to the experimental environment, thereby improving the practicability of the strength testing device.

[0007] Preferably, the arc surface of the rotating shaft is sleeved with two coil springs, and the two ends of the coil springs are respectively fixedly connected to the connecting plate and one side of the inner wall of the fixing seat.

[0008] The effect achieved by the above components is that after the screw rod is rotated to separate from the screw hole, the coil spring can control the protective cover to rotate quickly in a direction away from the lifting seat, thereby achieving the effect of being able to quickly open the protective cover.

[0009] Preferably, a sliding hole is opened on one side of the fixing seat, and a sliding rod is slidably connected to the inner wall of the sliding hole, and one end of the sliding rod is fixedly connected to the connecting plate.

[0010] The effect achieved by the above components is that during the rotation of the connecting plate, the sliding rod fixed on the connecting plate will slide along the inner wall of the sliding hole, thereby achieving the effect of improving the stability of the connecting plate during the rotation process.

[0011] Preferably, the protective cover is a transparent acrylic cover.

[0012] The effect achieved by the above components is: by setting the protective cover as an acrylic transparent cover, personnel can observe the process of the tensile strength test through the protective cover, thereby improving the practicality of the protective cover.

[0013] Preferably, the arc surface of the support column is provided with an auxiliary structure, and the auxiliary structure includes a rubber sleeve, and the rubber sleeve is arranged on the arc surface of the support column. The outer wall of the rubber sleeve is fixedly connected with a connecting plate, and a positioning rod is slidably penetrated through the surface of the connecting plate. The upper end of the positioning rod is fixedly connected to the lower surface of the base, and the arc surface of the positioning rod is threadedly connected with an adjusting ring, and the upper surface of the adjusting ring abuts against the connecting plate.

[0014] The effect achieved by the above components is: by setting up the auxiliary structure, the rubber sleeve can increase the friction at the bottom of the support column, so that the support column can be firmly supported on the ground, and after the rubber sleeve is worn out, personnel can easily replace it.

[0015] Preferably, the outer wall of the adjusting ring is provided with a plurality of anti-slip grooves, and the anti-slip grooves are evenly distributed on the outer wall of the adjusting ring.

[0016] The effect achieved by the above components is that a person can rotate the adjustment ring with the help of the anti-slip grooves, thereby achieving the effect of conveniently controlling the adjustment ring.

[0017] Preferably, a positioning block is fixedly connected to the lower end of the positioning rod, and the positioning block is configured as a conical structure.

[0018] The effect achieved by the above components is: by arranging a guide block with a conical structure at the lower end of the positioning rod, the guide block has a small volume, so that the adjustment ring can be easily sleeved on the arc surface of the positioning rod.

[0019] In summary, the beneficial effects of the utility model are:

[0020] In the utility model, by setting an adjustment structure, when the object to be tested is undergoing a tensile strength test, the protective cover can provide protective covering for the outside of the device, thereby preventing the object to be tested or parts of the device from suddenly breaking or popping out, causing flying fragments to injure people, and preventing the fragments from scattering due to breaking or breaking of the object to be tested during the stretching process, causing pollution to the experimental environment, thereby improving the practicability of the strength testing device.

[0021] In the utility model, by providing an auxiliary structure, the rubber sleeve can increase the friction force at the bottom of the support column, so as to achieve the effect of enabling the support column to be supported firmly on the ground, and after the rubber sleeve is worn out, personnel can easily replace it. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Attached Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Attached Figure 2 It is a partial structural schematic diagram of the utility model;

[0024] Attached Figure 3 It is a structural schematic diagram of the regulating structure of the utility model;

[0025] Attached Figure 4 It is a partial structural schematic diagram of the regulating structure of the utility model;

[0026] Attached Figure 5 It is a partial structural disassembly schematic diagram of the regulating structure of the utility model;

[0027] Attached Figure 6 It is a structural schematic diagram of the auxiliary structure of the utility model.

[0028] Numbers shown in the accompanying drawings: 1. base; 2. support column; 3. adjustment structure; 301. fixed seat; 302. rotating shaft; 303. connecting plate; 304. protective cover; 305. partition; 306. screw hole; 307. fixed plate; 308. screw; 309. sealing ring; 310. coil spring; 311. sliding hole; 312. sliding rod; 313. handle; 4. auxiliary structure; 41. rubber sleeve; 42. connecting plate; 43. positioning rod; 44. adjusting ring; 45. anti-slip pattern; 46. guide block; 5. lower clamping jaw; 6. lifting seat; 7. top plate; 8. lifting plate; 9. upper clamping jaw. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0030] Reference Figure 1 As shown, the utility model provides a technical solution: a tensile strength test protection device, including a base 1, a plurality of support columns 2 are fixedly connected to the lower surface of the base 1, a lower clamping jaw 5 is installed on the upper surface of the base 1, two lifting seats 6 are fixedly connected to the upper surface of the base 1, a top plate 7 is fixedly connected to the upper surface of the lifting seat 6, a lifting plate 8 is slidably connected to the side of the two lifting seats 6 close to each other, an upper clamping jaw 9 is installed on the lower surface of the lifting plate 8, two adjustment structures 3 are provided on the upper surface of the top plate 7, and an auxiliary structure 4 is provided on the arc surface of the support column 2.

[0031] The specific settings and functions of the adjustment structure 3 and the auxiliary structure 4 are described in detail below.

[0032] Refer to the figure Figure 3 , Figure 4 and Figure 5As shown, in this embodiment: the adjustment structure 3 includes a fixed seat 301, the lower surface of the fixed seat 301 is fixedly connected to the top plate 7, the inner wall of the fixed seat 301 is rotatably connected to the rotating shaft 302, the arc surface of the rotating shaft 302 is fixedly connected to the connecting plate 303, one side of the connecting plate 303 is fixedly connected to a protective cover 304, the side of the protective cover 304 close to the lifting seat 6 is fixedly connected to a sealing ring 309, one side of the sealing ring 309 is in contact with the lifting seat 6, and the side of the protective cover 304 away from the lifting seat 6 is fixedly connected to a handle 313, and the cross-section of the handle 313 is The protective cover 304 is in a "U" shape. A partition 305 is fixedly connected to one side of the protective cover 304. A screw hole 306 is opened on one side of the partition 305. Two fixing plates 307 are fixedly connected to the upper surface of the base 1. A screw rod 308 is threaded through the side of the fixing plate 307. The screw rod 308 is adapted to the size of the screw hole 306. By setting the adjustment structure 3, the protective cover 304 can protect and cover the outside of the device during the tensile strength test of the object to be tested, thereby preventing the object to be tested or the parts of the device from suddenly breaking or popping out, causing flying fragments to hurt people, and can In order to avoid the fragments of the tested object from being broken or broken during the stretching process and causing pollution to the experimental environment, the practicability of the strength testing device is improved. The arc surface of the rotating shaft 302 is sleeved with two coil springs 310, and the two ends of the coil spring 310 are respectively fixedly connected to the connecting plate 303 and one side of the inner wall of the fixing seat 301. After the screw rod 308 is separated from the screw hole 306, the coil spring 310 can control the protective cover 304 to rotate quickly in the direction away from the lifting seat 6, so as to achieve the effect of quickly opening the protective cover 304. A sliding The inner wall of the sliding hole 311 is slidably connected with a sliding rod 312, and one end of the sliding rod 312 is fixedly connected to the connecting plate 303. During the rotation of the connecting plate 303, the sliding rod 312 fixed on the connecting plate 303 will slide along the inner wall of the sliding hole 311, thereby achieving the effect of improving the stability of the connecting plate 303 during the rotation process. The protective cover 304 is specifically an acrylic transparent cover. By setting the protective cover 304 as an acrylic transparent cover, personnel can observe the process of the tensile strength test through the protective cover 304, thereby improving the practicality of the protective cover 304.

[0033] Reference Figure 6As shown, in this embodiment: the auxiliary structure 4 includes a rubber sleeve 41, the rubber sleeve 41 is sleeved on the arc surface of the support column 2, the outer wall of the rubber sleeve 41 is fixedly connected with a connecting plate 42, the surface of the connecting plate 42 is slidably penetrated with a positioning rod 43, the upper end of the positioning rod 43 is fixedly connected to the lower surface of the base 1, the arc surface of the positioning rod 43 is threadedly connected with an adjusting ring 44, the upper surface of the adjusting ring 44 is in contact with the connecting plate 42, by setting the auxiliary structure 4, the rubber sleeve 41 can increase the friction force at the bottom of the support column 2, so as to achieve the effect of enabling the support column 2 to be supported firmly on the ground, and After the rubber sleeve 41 is worn out, personnel can easily replace it. The outer wall of the adjusting ring 44 is provided with a plurality of anti-slip grooves 45, and the anti-slip grooves 45 are evenly distributed on the outer wall of the adjusting ring 44. Personnel can rotate the adjusting ring 44 with the help of the anti-slip grooves 45, thereby achieving the effect of conveniently controlling the adjusting ring 44. A positioning block is fixedly connected to the lower end of the positioning rod 43, and the positioning block is arranged in a conical structure. By arranging a guide block 46 with a conical structure at the lower end of the positioning rod 43, the volume of the guide block 46 is small, thereby achieving the effect of conveniently being able to put the adjusting ring 44 on the arc surface of the positioning rod 43.

[0034] Detailed explanation of usage: In the utility model, when it is necessary to perform a tensile strength test on the object to be tested, first use the upper clamping jaw 9 and the lower clamping jaw 5 to fix the object to be tested, and then start the device to make the lifting plate 8 rise along the inner wall of the lifting seat 6, so that the tensile strength test of the object to be tested can be performed. When it is necessary to protect the outside of the device during the test, first move the handle 313 to drive the protective cover 304, and the protective cover 304 drives the rotating shaft 302 to rotate along the inner wall of the fixed seat 301. When the protective cover 304 drives the sealing ring 309 to fit one side of the lifting seat 6, the socket on the partition 305 will be aligned with the insertion rod, and then rotate the screw rod 308 to insert it into the socket to complete the fixing of the protective cover 304. When the test is completed, the screw 308 is rotated to separate from the screw hole 306. At this time, the coil spring 310 can control the protective cover 304 to quickly move away from the lifting seat 6. The protective cover 304 can be quickly opened by rotating, wherein during the rotation of the connecting plate 303, the sliding rod 312 fixed on the connecting plate 303 can slide along the inner wall of the sliding hole 311, thereby achieving the effect of improving the stability of the connecting plate 303 during the rotation process. In addition, by setting the protective cover 304 as an acrylic transparent cover, personnel can observe the process of the tensile strength test through the protective cover 304, thereby improving the practicality of the protective cover 304. By setting the adjustment structure 3, during the tensile strength test of the object to be tested, the protective cover 304 can provide a protective cover for the outside of the device, thereby preventing the object to be tested or the parts of the device from suddenly breaking or popping out, causing flying fragments to injure people, and preventing the fragments from being scattered due to the breaking or breaking of the object to be tested during the stretching process, thereby polluting the experimental environment, thereby improving the practicality of the strength testing device.

[0035] In the present invention, the rubber sleeve 41 can improve the friction force at the bottom of the support column 2, so as to achieve the effect of enabling the support column 2 to be supported firmly on the ground, thereby improving the stability of the use of the tensile strength testing device. The rubber sleeve 41 will wear out after being used for a period of time. When the worn rubber sleeve 41 needs to be replaced, the adjustment ring 44 is first rotated to separate from the positioning rod 43 with the help of the anti-slip groove 45, and then the connecting plate 42 is moved to separate from the positioning rod 43, and the rubber sleeve 41 is removed from the arc surface of the support column 2 at the same time, and the rubber sleeve 41 can be disassembled. After the rubber sleeve 41 is disassembled, a new rubber sleeve 41 is moved to cover the arc surface of the support column 2, and the connecting plate 42 fixed on the rubber sleeve 41 is fixed to the rubber sleeve 41. 2 is put on the positioning rod 43, and then the adjusting ring 44 is put on the arc surface of the positioning rod 43. Finally, the adjusting ring 44 is rotated with the help of the anti-slip groove 45 so that the upper surface of the adjusting ring 44 abuts against the lower surface of the connecting plate 42, and the rubber sleeve 41 can be fixed. Among them, a guide block 46 with a conical structure is provided at the lower end of the positioning rod 43. The guide block 46 has a small volume, so that the adjusting ring 44 can be easily put on the arc surface of the positioning rod 43. By providing the auxiliary structure 4, the rubber sleeve 41 can increase the friction force at the bottom of the support column 2, so that the support column 2 can be stably supported on the ground. After the rubber sleeve 41 is worn out, it can be easily replaced by personnel.

Claims

1. A tensile strength test protection device, characterized in that: The invention comprises a base (1), the lower surface of the base (1) is fixedly connected to a plurality of support columns (2), the upper surface of the base (1) is installed with a lower clamping claw (5), the upper surface of the base (1) is fixedly connected to two lifting seats (6), the upper surface of the lifting seats (6) is fixedly connected to a top plate (7), a lifting plate (8) is slidably connected to the side of the two lifting seats (6) close to each other, an upper clamping claw (9) is installed on the lower surface of the lifting plate (8), and two adjustment structures (3) are provided on the upper surface of the top plate (7), the adjustment structure (3) comprises a fixed seat (301), the lower surface of the fixed seat (301) is fixedly connected to the top plate (7), the inner wall of the fixed seat (301) is rotatably connected to a rotating shaft (302), and the arc surface of the rotating shaft (302) is fixedly connected to a connecting plate (303), a protective cover (304) is fixedly connected to one side of the connecting plate (303), a sealing ring (309) is fixedly connected to the side of the protective cover (304) close to the lifting seat (6), one side of the sealing ring (309) is in contact with the lifting seat (6), a handle (313) is fixedly connected to the side of the protective cover (304) away from the lifting seat (6), and the cross-section of the handle (313) is "U"-shaped, a partition (305) is fixedly connected to one side of the protective cover (304), and a screw hole (306) is opened on one side of the partition (305), and two fixing plates (307) are fixedly connected to the upper surface of the base (1), and a screw rod (308) is threaded through the side surface of the fixing plate (307), and the size of the screw rod (308) is adapted to that of the screw hole (306).

2. A tensile strength test protection device according to claim 1, characterized in that: The arc surface of the rotating shaft (302) is sleeved with two coil springs (310), and the two ends of the coil spring (310) are respectively fixedly connected to the connecting plate (303) and one side of the inner wall of the fixing seat (301).

3. The tensile strength test protection device according to claim 1, characterized in that: A sliding hole (311) is provided on one side of the fixing seat (301), and a sliding rod (312) is slidably connected to the inner wall of the sliding hole (311), and one end of the sliding rod (312) is fixedly connected to the connecting plate (303).

4. The tensile strength test protection device according to claim 1, characterized in that: The protective cover (304) is specifically a transparent acrylic cover.

5. The tensile strength test protection device according to claim 1, characterized in that: The arc surface of the support column (2) is provided with an auxiliary structure (4), and the auxiliary structure (4) comprises a rubber sleeve (41), and the rubber sleeve (41) is sleeved on the arc surface of the support column (2), and the outer wall of the rubber sleeve (41) is fixedly connected with a connecting plate (42), and a positioning rod (43) is slidably penetrated through the surface of the connecting plate (42), and the upper end of the positioning rod (43) is fixedly connected to the lower surface of the base (1), and the arc surface of the positioning rod (43) is threadedly connected with an adjusting ring (44), and the upper surface of the adjusting ring (44) is in contact with the connecting plate (42).

6. A tensile strength test protection device according to claim 5, characterized in that: The outer wall of the adjusting ring (44) is provided with a plurality of anti-skid patterns (45), and the anti-skid patterns (45) are evenly distributed on the outer wall of the adjusting ring (44).

7. The tensile strength test protection device according to claim 5, characterized in that: The lower end of the positioning rod (43) is fixedly connected with a positioning block, and the positioning block is arranged in a conical structure.

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