CN216349453U

CN216349453U - Elastic sheet fatigue testing device

Info

Publication number: CN216349453U
Application number: CN202123043916.XU
Authority: CN
Inventors: 向湘新
Original assignee: Shenzhen Chengyuxin Precision Hardware Co ltd
Current assignee: Shenzhen Chengyuxin Precision Hardware Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-19
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a shell fragment fatigue testing device, which comprises a base, wherein a clamping frame is arranged at the center of the top end of the base, two clamping grooves are arranged on the clamping frame, a scanning device is arranged at one side of each clamping groove and at the top end of the base, a controller is arranged at one side of the clamping frame, which is far away from the clamping grooves and at the top end of the base, a pressing testing mechanism and a rotating testing mechanism capable of adjusting the rotating diameter of the pressing testing mechanism are respectively arranged at the top ends of the two clamping grooves along the length direction, and a first pressure sensor and a second pressure sensor are respectively arranged in the pressing testing mechanism and the rotating testing mechanism.

Description

Elastic sheet fatigue testing device

Technical Field

The utility model relates to the technical field of elastic sheet testing, in particular to an elastic sheet fatigue testing device.

Background

The application of shell fragment is more and more extensive, the reliability of shell fragment also obtains certain attention, through certain time, the shell fragment can fatigue fracture, perhaps elasticity weakens or even loses efficacy, the operation of whole equipment is influenced even to a small part, shell fragment fatigue test device among the prior art test mode is single, can't reach its fatigue test's effect, can't accomplish the effect of contrast test, make the shell fragment fatigue test that it obtained can't reach anticipated effect, generally all be the data of its test of manual observation, the degree of accuracy is very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spring plate fatigue testing device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shell fragment fatigue test device, includes the base, base top center department is equipped with the holding frame, be equipped with two centre gripping grooves on the holding frame, one side in two centre gripping grooves and the top that is located the base all are equipped with scanning device, and the holding frame is kept away from one side in centre gripping groove and is located the top of base and be equipped with the controller, and two centre gripping grooves are equipped with the rotatory accredited testing organization of pressing down accredited testing organization and adjustable its rotation diameter respectively along the top of its length direction both sides, and are equipped with first pressure sensor and second pressure sensor respectively in pressing down accredited testing organization and rotatory accredited testing organization.

As a preferable scheme of the utility model, the pressing test mechanism comprises a U-shaped frame which is arranged at the top end of the clamping frame in an inverted manner and is positioned at two sides of one of the clamping grooves, a first telescopic cylinder with an output end arranged downwards is installed at the center of the top end in the U-shaped frame through a bolt, a first pressure sensor is fixed at the bottom of the first telescopic cylinder, and a first pressing block is installed at the bottom of the first pressure sensor through a bolt.

As a preferable scheme of the utility model, the rotation testing mechanism comprises supporting plates which are arranged at the top end of the clamping frame and are positioned at two sides of the other clamping groove, second telescopic cylinders with output ends arranged downwards are arranged at the centers of the top ends of the outer sides of the two supporting plates, carrying plates are fixedly arranged at the bottoms of the two second telescopic cylinders, a positive and negative motor is arranged at one side of one carrying plate far away from the supporting plates, the output ends of the positive and negative motors penetrate through the carrying plates and are connected with a rotating shaft between the other carrying plate, and a rotating disc for rolling the elastic sheet is fixedly connected at the center of the rotating shaft.

As a preferable scheme of the utility model, a plurality of uniformly distributed installation grooves are formed in the side wall of the rotary table, a third telescopic cylinder with an output end far away from the circular shape of the rotary table is arranged in each installation groove, a second pressure sensor is arranged at the output end of each third telescopic cylinder, and a second pressing block is arranged on one side of the second pressure sensor far away from the output end of the third telescopic cylinder.

According to the preferable scheme of the utility model, two sides of the width of each clamping groove are respectively provided with a groove, each groove is internally provided with a sliding groove, each sliding groove is internally provided with a clamp for clamping the elastic sheet, the bottom of each clamp is provided with a sliding block matched with the sliding groove, the top end of the sliding block is provided with a clamping column, the inside of the clamping column is provided with a circular groove, the circular groove is internally provided with a threaded column, the top end of the threaded column penetrates through the top end of the clamping column and is connected with an adjusting bolt, the threaded column is in threaded connection with a threaded block, and one side of the threaded block, close to the clamping groove, is fixedly connected with a clamping plate through a connecting rod.

As a preferable scheme of the present invention, the scanning device includes a fourth telescopic cylinder disposed at a top end of the base, and a top end of the fourth telescopic cylinder is connected to the scanning camera through a bolt.

As a preferable scheme of the utility model, the controller is installed at the top end of the base through a bolt, a display screen and a plurality of operation buttons are arranged on the front surface of the controller, and a USB interface is arranged on the side wall of the controller.

Has the advantages that: when the device is used, two elastic pieces to be tested are firstly prepared, then the two elastic pieces are placed on a clamping groove, then the adjusting bolt is rotated, the adjusting bolt drives the threaded column to rotate, then the threaded column drives the threaded block to move downwards, so as to drive the clamping plate to move downwards to clamp the elastic pieces, then the controller adjusts the distance between the bottommost part of the second telescopic cylinder control turntable and the elastic pieces to adapt to each other according to the heights of the elastic pieces, then the telescopic heights of a plurality of third telescopic cylinders are adjusted to adapt to the elastic pieces, then the first telescopic cylinder and the positive and negative motor are simultaneously started to respectively carry out pressing test and rotating pressing test on the elastic pieces, the pressure values corresponding to the pressing test and the rotating pressing times are penetrated through by the first pressure sensor and the second pressure sensor during the test and are displayed on a display screen, the proper height is adjusted by the fourth telescopic cylinder to scan the deformation degree of the elastic pieces, in conclusion, the utility model can not only carry out the tests of two modes of pressing test and rotating pressing test, but also test the comparison of the times and the pressure and the deformation degree after pressing, thereby being very practical and greatly increasing the detection effect.

Drawings

FIG. 1 is a perspective view of a device for testing fatigue of spring plate according to the present invention;

FIG. 2 is a perspective view of a holder of the device for testing fatigue of resilient sheets according to the present invention;

FIG. 3 is a perspective view of a clamp of the device for testing fatigue of spring plate of the present invention;

FIG. 4 is an internal view of a fixture of the device for testing fatigue of spring plate of the present invention;

FIG. 5 is a perspective view of a first telescoping cylinder of the device for testing fatigue of a spring plate of the present invention;

FIG. 6 is a perspective view of a rotation testing mechanism of the device for testing fatigue of spring plate of the present invention;

FIG. 7 is an internal view of a turntable of the device for testing fatigue of resilient sheets according to the present invention;

fig. 8 is a perspective view of a third telescoping cylinder of the device for testing fatigue of a spring plate of the present invention.

In the figure: 1. a base; 2. a clamping frame; 21. a clamping groove; 22. a groove; 221. a chute; 23. a clamp; 231. a slider; 232. clamping the column; 233. a circular groove; 234. a threaded post; 235. a thread block; 236. a splint; 237. adjusting the bolt; 3. pressing the testing mechanism; 31. a U-shaped frame; 32. a first telescoping cylinder; 33. a first pressure sensor; 34. a first pressing block; 4. rotating the testing mechanism; 41. a support plate; 42. a second telescoping cylinder; 43. a loading plate; 44. a positive and negative motor; 45. a rotating shaft; 46. a turntable; 461. mounting grooves; 462. A third telescopic cylinder; 463. a second pressure sensor; 464. a second pressing block; 5. a scanning device; 51. a fourth telescoping cylinder; 52. scanning a camera; 6. a controller; 61. a display screen; 62. an operation button; 63. And a USB interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a shell fragment fatigue test device, includes

base

1, 1 top center department of base is equipped with holding frame 2, be equipped with two centre gripping grooves 21 on the holding frame 2, one side of two centre gripping grooves 21 and the top that is located base 1 all are equipped with scanning device 5, one side that holding frame 2 kept away from centre gripping groove 21 and the top that is located base 1 are equipped with controller 6, two centre gripping grooves 21 are equipped with respectively along the top of its length direction both sides and press testing mechanism 3 and adjustable its rotation diameter's rotatory accredited testing organization 4, and are equipped with first pressure sensor 33 and second pressure sensor 463 respectively in pressing testing mechanism 3 and rotatory accredited testing organization 4.

In an embodiment, referring to fig. 1 and 5, the pressing test mechanism 3 includes a U-shaped frame 31 disposed upside down on the top end of the clamping frame 2 and located on two sides of one of the clamping grooves 21, a first telescopic cylinder 32 with an output end facing downward is installed at the center of the top end inside the U-shaped frame 31 through a bolt, a first pressure sensor 33 is fixed at the bottom of the first telescopic cylinder 32, and a first pressing block 34 is installed at the bottom of the first pressure sensor 33 through a bolt.

In an embodiment, referring to fig. 1, 6, 7 and 8, the rotation testing mechanism 4 includes supporting plates 41 disposed at the top end of the clamping frame 2 and located at two sides of the other clamping groove 21, second telescopic cylinders 42 having output ends facing downward are disposed at the centers of the top ends of the outer sides of the two supporting plates 41, carrying plates 43 are fixedly mounted at the bottoms of the two second telescopic cylinders 42, a forward and backward motor 44 is disposed at one side of one carrying plate 43 away from the supporting plate 41, the output end of the forward and backward motor 44 penetrates the carrying plate 43 and is connected with a rotating shaft 45 between the other carrying plate 43, a rotating disc 46 for rolling elastic sheets is fixedly connected at the center of the rotating shaft 45, a plurality of uniformly distributed mounting grooves 461 are disposed in the side wall of the rotating disc 46, a third telescopic cylinder 462 having an output end away from the rotating disc 46 and being circular is disposed in each mounting groove 461, a second pressure sensor 463 is disposed at the output end of each third telescopic cylinder 462, a second pressing block 464 is arranged on one side of the second pressure sensor 463 far away from the output end of the third telescopic cylinder 462.

In an embodiment, referring to fig. 1, fig. 2, fig. 3, and fig. 4, two sides of the width of each clamping groove 21 are provided with grooves 22, each groove 22 is provided with a sliding groove 221, each sliding groove 221 is provided with a clamp 23 for clamping a spring plate, the bottom of each clamp 23 is provided with a sliding block 231 used in cooperation with the sliding groove 221, the top end of the sliding block 231 is provided with a clamping column 232, a circular groove 233 is provided inside the clamping column 232, a threaded column 234 is provided in the circular groove 233, the top end of the threaded column 234 penetrates through the top end of the clamping column 232 and is connected with an adjusting bolt 237, a threaded block 235 is connected to the threaded column 234 through a thread, and a clamping plate 236 is fixedly connected to one side of the threaded block 235 close to the clamping groove 21 through a connecting rod.

In an embodiment, referring to fig. 1 and fig. 2, the scanning device 5 includes a fourth telescopic cylinder 51 disposed at a top end of the base 1, and a scanning camera 52 is connected to a top end of the fourth telescopic cylinder 51 through a bolt.

In an embodiment, referring to fig. 1, the controller 6 is mounted on the top end of the base 1 through a bolt, a display screen 61 and a plurality of operation buttons 62 are disposed on the front surface of the controller 6, and a USB interface 63 is disposed on the side wall of the controller 6.

The operation process comprises the following steps: when the device is used, two elastic pieces to be tested are firstly prepared, then the two elastic pieces are placed on a clamping groove, then the adjusting bolt is rotated, the adjusting bolt drives the threaded column to rotate, then the threaded column drives the threaded block to move downwards, so as to drive the clamping plate to move downwards to clamp the elastic pieces, then the controller adjusts the distance between the bottommost part of the second telescopic cylinder control turntable and the elastic pieces to adapt to each other according to the heights of the elastic pieces, then the telescopic heights of a plurality of third telescopic cylinders are adjusted to adapt to the elastic pieces, then the first telescopic cylinder and the positive and negative motor are simultaneously started to respectively carry out pressing test and rotating pressing test on the elastic pieces, the pressure values corresponding to the pressing test and the rotating pressing times are penetrated through by the first pressure sensor and the second pressure sensor during the test and are displayed on a display screen, the proper height is adjusted by the fourth telescopic cylinder to scan the deformation degree of the elastic pieces, in conclusion, the utility model can not only carry out the tests of two modes of pressing test and rotating pressing test, but also test the comparison of the times and the pressure and the deformation degree after pressing, thereby being very practical and greatly increasing the detection effect.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shell fragment fatigue test device, includes base (1), its characterized in that: base (1) top center department is equipped with holding frame (2), be equipped with two centre gripping grooves (21) on holding frame (2), one side of two centre gripping grooves (21) and the top that is located base (1) all are equipped with scanning device (5), one side that holding frame (2) kept away from centre gripping groove (21) and the top that is located base (1) are equipped with controller (6), two centre gripping grooves (21) are equipped with respectively along the top of its length direction both sides and press rotary test mechanism (4) of accredited testing organization (3) and adjustable its diameter of rotation, and are equipped with first pressure sensor (33) and second pressure sensor (463) respectively in pressing accredited testing organization (3) and rotary test mechanism (4).

2. The spring plate fatigue testing device of claim 1, wherein: press accredited testing organization (3) including invert at clamping frame (2) top and be located U type frame (31) of one of them centre gripping groove (21) both sides, first telescoping cylinder (32) that the output set up down are installed through the bolt in the inside top center department of U type frame (31), the bottom of first telescoping cylinder (32) is fixed with first pressure sensor (33), first pressure piece (34) are pressed in the bottom of first pressure sensor (33) is installed through the bolt.

3. The spring plate fatigue testing device of claim 1, wherein: rotatory accredited testing organization (4) is including setting up backup pad (41) on holding frame (2) top and being located another centre gripping groove (21) both sides, and two backup pad (41) outside top center department is equipped with second telescoping cylinder (42) that the output set up down, two the equal fixed mounting in bottom of second telescoping cylinder (42) has year thing board (43), and one side that backup pad (41) were kept away from in one of them year thing board (43) is equipped with positive and negative motor (44), the output of positive and negative motor (44) run through and carry thing board (43) and with another and be connected with pivot (45) between carrying thing board (43), pivot (45) center department fixedly connected with is used for carousel (46) of roll extrusion shell fragment.

4. A spring plate fatigue testing device according to claim 3, characterized in that: the side wall of the rotary table (46) is internally provided with a plurality of uniformly distributed mounting grooves (461), each mounting groove (461) is internally provided with a third telescopic cylinder (462) with an output end far away from the circular shape of the rotary table (46), the output end of each third telescopic cylinder (462) is provided with a second pressure sensor (463), and one side of each second pressure sensor (463) far away from the output end of the corresponding third telescopic cylinder (462) is provided with a second pressing block (464).

5. The spring plate fatigue testing device of claim 1, wherein: every the both sides of centre gripping groove (21) width all are equipped with recess (22), all are equipped with spout (221) in every recess (22), every all be equipped with anchor clamps (23) that are used for the centre gripping shell fragment in spout (221), every the bottom of anchor clamps (23) is equipped with slider (231) that use with spout (221) cooperation, the top of slider (231) is equipped with presss from both sides post (232), the inside of pressing from both sides post (232) is equipped with circular slot (233), be equipped with screw thread post (234) in circular slot (233), the top of screw thread post (234) runs through the top of pressing from both sides post (232) and is connected with adjusting bolt (237), threaded connection has screw thread piece (235) on screw thread post (234), one side that screw thread piece (235) are close to centre gripping groove (21) all through connecting rod fixedly connected with splint (236).

6. The spring plate fatigue testing device of claim 1, wherein: the scanning device (5) comprises a fourth telescopic cylinder (51) arranged at the top end of the base (1), and the top end of the fourth telescopic cylinder (51) is connected with a scanning camera (52) through a bolt.

7. The spring plate fatigue testing device of claim 1, wherein: the controller (6) is installed on the top end of the base (1) through a bolt, a display screen (61) and a plurality of operating buttons (62) are arranged on the front face of the controller (6), and a USB interface (63) is arranged on the side wall of the controller (6).