CN219608587U - Tensile testing device - Google Patents

Abstract

The utility model relates to the technical field of stretching inspection, in particular to a stretching inspection device, which reduces the possibility of sliding of a detection piece when the detection piece is stretched, improves the detection effect, and reduces the possibility of hurting people when the detection piece is broken and splashed; including detecting the platform, detect piece and force sensor, detect the subassembly and be used for carrying out tensile detection to detecting the piece, detect the subassembly and include first fixed plate, the second fixed plate, the cylinder, first connecting plate and two sets of installation pieces, first fixed plate and the equal fixed mounting of second fixed plate are on detecting the platform, cylinder fixed mounting is on first fixed plate, first connecting plate is connected with the cylinder output, force sensor fixed mounting is on first connecting plate, two sets of installation pieces respectively fixed mounting are on force sensor and second mounting panel, clamping assembly is provided with two sets of.

Description

Tensile testing device

Technical Field

The utility model relates to the technical field of tensile testing, in particular to a tensile testing device.

Background

The tensile test is the most common test in the mechanical property detection of materials, and refers to a test method for measuring the characteristics of the materials under the condition of bearing axial tensile load, the elastic limit, the elongation percentage, the elastic modulus, the proportion limit, the area reduction amount, the tensile strength, the yield point, the yield strength and other tensile performance indexes of the materials can be determined by using the data obtained by the tensile test, the materials of the medical equipment need to be controlled during production, the medical equipment is tested to determine whether the medical equipment meets the standard, and the medical equipment is an instrument, equipment, a material or other articles used for a human body singly or in combination, and whether the tensile degree of the medical equipment meets the actual standard in the test process of some medical equipment.

The utility model discloses a medical instrument stretching inspection device, which comprises a base, a support rod, a force sensor, a screw rod, a lifting beam, an upper chuck and a lower chuck, wherein the support rod is arranged on the base, the top of the support rod is fixedly provided with a fixed beam parallel to the base, the force sensor is arranged on the lower side of the fixed beam, the lower end of the force sensor is connected with the upper chuck, the lifting beam limited between the two support rods is arranged on the upper side of the lifting beam, and the lower chuck corresponding to the upper chuck is arranged on the upper side of the lifting beam.

However, in the above prior art, the medical apparatus to be detected may fall off during use, resulting in poor detection effect, and splash may occur during breakage of the medical apparatus, which is easy to cause injury to the close staff, so that a tensile testing device is needed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the stretching inspection device which reduces the possibility of sliding of the detection piece when the detection piece is stretched, improves the detection effect and reduces the possibility of hurting people when the detection piece is splashed when broken.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tensile verifying attachment, including the test bench, test piece and force sensor, detect the subassembly and be used for carrying out tensile detection to detecting the piece, detect the subassembly and include first fixed plate, the second fixed plate, the cylinder, first connecting plate and two sets of installation pieces, first fixed plate and the equal fixed mounting of second fixed plate are on detecting the bench, cylinder fixed mounting is on first fixed plate, first connecting plate is connected with the cylinder output, force sensor fixed mounting is on first connecting plate, two sets of installation pieces are fixed mounting respectively on force sensor and second mounting plate, the clamping assembly is provided with two sets of clamping assembly, two sets of clamping assembly are installed respectively on two sets of installation pieces, the clamping assembly is used for carrying out the centre gripping to detecting the piece, the clamping assembly includes two sets of second connecting plates, first clamping plate, second clamping plate, electrical cylinder and round pin axle, two sets of second connecting plates are fixed mounting on the installation piece, first through-hole has been seted up on the second connecting plate, electrical cylinder output sliding through first slide hole and first clamping plate connection, second clamping plate fixed mounting is on another clamping plate, second clamping assembly has been connected at first connecting plate, second clamping plate fixed mounting is on detecting the second connecting plate and second through-hole has been cut off, the first through-hole has been seted up to the protection piece, the protection piece is broken when the protection piece appears on the second connecting plate, the protection piece is used for protecting the protection piece, the protection piece is broken, and is broken, the protection piece is passed on the second through-shaped.

Preferably, the protection component comprises a U-shaped protection groove, an L-shaped buckle cover and two groups of third fixing plates, the U-shaped protection cover is fixedly arranged on the detection table, the two groups of third fixing plates are fixedly arranged on the U-shaped protection cover, and the L-shaped buckle cover is rotationally connected with the two groups of third fixing plates.

Preferably, the first fixing plate is provided with a first sleeve, the first connecting plate is provided with two groups of sliding rods, and the two groups of sliding rods are respectively sleeved with the two groups of first sleeves in a sliding manner.

Preferably, the first connecting plate is provided with a second sleeve, and the mounting block near one end of the first connecting plate is in sliding fit with the second sleeve.

Preferably, the U-shaped protective cover is provided with a backup plate.

Preferably, a handle is arranged on the L-shaped buckle cover.

(III) beneficial effects

Compared with the prior art, the utility model provides a tensile testing device, which has the following beneficial effects:

the detection piece both ends are placed respectively on two sets of second grip blocks, start the electric jar, promote first grip block through the electric jar and be close to the detection piece, and press from both sides the detection piece tightly, pass second through-hole and third through-hole through the round pin axle slip and block the detection piece, even the phenomenon that the detection piece was slipped appears also has the round pin axle to pull when pulling the detection piece, consequently, reduce the possibility that the detection piece slipped, through starting the cylinder, pulling first connecting plate moves to the direction of keeping away from the second fixed plate, can detect the pulling force that the detection piece received through the force sensor, can block through the protective component when the fracture of detection piece takes place to splash the phenomenon, improve the protection to the staff through the protective component, therefore, the detection piece has been provided and has been reduced the possibility that the detection piece appears the landing when carrying out tensile detection, the effect of detection piece has been improved, and the possible tensile verifying attachment who hurts the people has been reduced when the phenomenon that the detection piece broke.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a right side view of the U-shaped shield and the connection structure thereof;

FIG. 3 is a schematic top view of a third fixing plate and a connecting structure thereof according to the present utility model;

fig. 4 is an enlarged schematic view of the portion a in fig. 1 according to the present utility model.

Reference numerals: 1. a detection table; 2. a detecting member; 3. a first fixing plate; 4. a second fixing plate; 5. a cylinder; 6. a first connection plate; 7. a force sensor; 8. a mounting block; 9. a second connecting plate; 10. a first clamping plate; 11. a second clamping plate; 12. an electric cylinder; 13. a pin shaft; 14. a U-shaped protective groove; 15. an L-shaped buckle cover; 16. a third fixing plate; 17. a first sleeve; 18. a slide bar; 19. a second sleeve; 20. a backup plate; 21. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 and 4, a tensile testing device is disclosed, a first fixing plate 3 and a second fixing plate 4 are both fixedly installed on a testing table 1, a cylinder 5 is fixedly installed on the first fixing plate 3, a first connecting plate 6 is connected with the output end of the cylinder 5, a force sensor 7 is fixedly installed on the first connecting plate 6, two groups of installation blocks 8 are respectively fixedly installed on the force sensor 7 and the second installing plate, by starting the cylinder 5, the first connecting plate 6 is pulled to move in a direction far away from the second fixing plate 4, the tensile force applied to a testing part 2 can be detected through the force sensor 7, two groups of second connecting plates 9 are fixedly installed on the installation blocks 8, an electric cylinder 12 is fixedly installed on one group of second connecting plates 9, a first through hole is formed in the second connecting plates 9, the output end of the electric cylinder 12 slides through a first sliding hole to be connected with a first clamping plate 10, the second clamping plate 11 is fixedly installed on the other group of second connecting plates 9, the testing part 2 is tightly attached to the first clamping plate 10 and the second clamping plate 11, and the two groups of second connecting plates 9 are respectively provided with second through holes 2 which are pulled in a direction far away from the second fixing plate 4, and the second through holes 13 are respectively pushed by pulling the second through pins 2, and the second through holes 13 are also pushed by the second clamping plates 2, and the second through pins 2 can be pushed by the second through holes 13 when the second through holes 2 are pushed to be detected through the second through holes 2, and the second clamping plates 2, and the second through the detection pins 2 are respectively, and the second through the detection holes 13 and the detection device can be placed;

referring to fig. 1-3, the U-shaped protection cover is fixedly mounted on the detection table 1, two sets of third fixing plates 16 are fixedly mounted on the U-shaped protection cover, the L-shaped buckle cover 15 is rotatably connected with the two sets of third fixing plates 16, and the protection effect can be achieved for staff through the U-shaped protection cover and the L-shaped buckle cover 15 when the detection piece 2 is subjected to tensile test.

Referring to fig. 1, a first sleeve 17 is disposed on the first fixing plate 3, two sets of sliding rods 18 are disposed on the first connecting plate 6, the two sets of sliding rods 18 are respectively slidably sleeved with the two sets of first sleeves 17, and when the cylinder 5 is started, the sliding rods 18 slide in the second sleeves 19, so that a guiding effect can be achieved on the first connecting plate 6.

Referring to fig. 1 and 4, the first connecting plate 6 is provided with a second sleeve 19, and the mounting block 8 near one end of the first connecting plate 6 is slidably sleeved with the second sleeve 19.

Referring to fig. 2, a backup plate 20 is disposed on the u-shaped protective cover, and the L-shaped buckle cover 15 is leaned against the backup plate 20 after being opened.

Referring to fig. 2, the L-shaped buckle cover 15 is provided with a handle 21, and the L-shaped buckle cover 15 is conveniently opened by the handle 21.

To sum up, this tensile verifying attachment is when using, place detection piece 2 both ends respectively on two sets of second grip blocks 11, start electric jar 12, promote first grip block 10 to detection piece 2 through electric jar 12 and be close to, and press from both sides detection piece 2 tightly, slide through second through-hole and third through-hole through round pin axle 13 and block detection piece 2, even there is round pin axle 13 to pull when the phenomenon that detection piece 2 slipped appears when pulling detection piece 2, therefore reduce the possibility that detection piece 2 slipped, through start cylinder 5, pulling first connecting plate 6 moves to the direction of keeping away from second fixed plate 4, can detect the pulling force that detection piece 2 received through force sensor 7, can block through the protective component when detection piece 2 fracture takes place to splash the phenomenon, improve staff's protection through the protective component.

The force sensor 7 related in the scheme is an authorized technology disclosed in the patent number CN210427231U, the internal structure and the working principle thereof are well known to those skilled in the art and are not innovation points of the present patent, so the internal structure and the working principle thereof are not described in detail.

The cylinder 5 and the electric cylinder 12 are known devices directly purchased in the market for those skilled in the art, only the cylinder is used, the structure and the function of the cylinder are not improved, the cylinder 5 and the electric cylinder 12 are not described in detail, the cylinder 5 and the electric cylinder 12 are provided with control switches matched with the cylinder, the mounting positions of the control switches are selected according to actual use requirements, and the operation control of operators is facilitated.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. The tensile testing device comprises a testing table (1), a testing piece (2) and a force sensor (7), and is characterized by further comprising:

the detection assembly is used for carrying out tensile detection on the detection piece (2), and comprises a first fixing plate (3), a second fixing plate (4), an air cylinder (5), a first connecting plate (6) and two groups of mounting blocks (8), wherein the first fixing plate (3) and the second fixing plate (4) are fixedly mounted on the detection table (1), the air cylinder (5) is fixedly mounted on the first fixing plate (3), the first connecting plate (6) is connected with the output end of the air cylinder (5), the force sensor (7) is fixedly mounted on the first connecting plate (6), and the two groups of mounting blocks (8) are fixedly mounted on the force sensor (7) and the second mounting plate respectively;

the clamping assembly is provided with two groups, the two groups of clamping assemblies are respectively arranged on the two groups of mounting blocks (8), the clamping assembly is used for clamping the detection piece (2), the clamping assembly comprises two groups of second connecting plates (9), a first clamping plate (10), a second clamping plate (11), an electric cylinder (12) and a pin shaft (13), the two groups of second connecting plates (9) are fixedly arranged on the mounting blocks (8), the electric cylinder (12) is fixedly arranged on one group of second connecting plates (9), the second connecting plates (9) are provided with first through holes, the output end of the electric cylinder (12) slides through the first sliding holes to be connected with the first clamping plate (10), the second clamping plate (11) is fixedly arranged on the other group of second connecting plates (9), the detection piece (2) is tightly attached to the first clamping plate (10) and the second clamping plate (11), the two groups of second connecting plates (9) are provided with second through holes, the detection piece (2) is provided with third through holes, and the pin shaft (13) slides through the second through holes and the third through holes;

the protection component is arranged on the detection table (1) and used for improving the protection effect and reducing the phenomenon that people are injured due to splash when the detection piece (2) breaks.

2. A stretch testing device according to claim 1, wherein: the protection assembly comprises a U-shaped protection groove (14), an L-shaped buckle cover (15) and two groups of third fixing plates (16), wherein the U-shaped protection cover is fixedly arranged on the detection table (1), the two groups of third fixing plates (16) are fixedly arranged on the U-shaped protection cover, and the L-shaped buckle cover (15) is rotationally connected with the two groups of third fixing plates (16).

3. A stretch testing device according to claim 2, wherein: the first fixing plate (3) is provided with a first sleeve (17), the first connecting plate (6) is provided with two groups of sliding rods (18), and the two groups of sliding rods (18) are respectively sleeved with the two groups of first sleeves (17) in a sliding manner.

4. A stretch testing device according to claim 3, wherein: the first connecting plate (6) is provided with a second sleeve (19), and the mounting block (8) close to one end of the first connecting plate (6) is in sliding sleeve connection with the second sleeve (19).

5. A stretch testing device according to claim 4, wherein: the U-shaped protective cover is provided with a backup plate (20).

6. A stretch testing device according to claim 5, wherein: the L-shaped buckle cover (15) is provided with a handle (21).