CN216309635U

CN216309635U - Tool for D-shaped ring tensile test

Info

Publication number: CN216309635U
Application number: CN202122302491.3U
Authority: CN
Inventors: 孙力君; 王雨华; 黄婷
Original assignee: Chengxi Shipyard Co Ltd
Current assignee: Chengxi Shipyard Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-15
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a tool for a D-shaped ring tensile test, which comprises a positioning part, a connecting part and a fixing part, wherein the positioning part and the connecting part are detachably and fixedly connected and are used for fixedly connecting a D-shaped ring, the connecting part is fixedly connected with the fixing part, and the fixing part is fixedly connected with the corresponding position of a tensile testing machine. According to the utility model, the two sections of the D-shaped ring are fixed through the matching of the connecting part and the positioning part, the end part of the tail stretching rod and the arc-shaped side wall of the connecting part are of an integrally formed structure, the tail stretching rod is fixedly arranged in a clamp of a stretching testing machine, the stretching rod at the tail is applied with pressure through the stretching testing machine, the D-shaped ring can be directly clamped on the testing machine after being welded and processed into a sample, so that the smooth test can be ensured, the D-shaped ring or the pipe ring can be subjected to the stretching test through a special clamping device with low investment, the test operation is convenient, the device is simple to assemble and disassemble, and the test result is accurate and stable.

Description

Tool for D-shaped ring tensile test

Technical Field

The utility model relates to the field of D-shaped ring tensile test equipment, in particular to a tool for a D-shaped ring tensile test.

Background

Before the D-shaped ring is put in storage, a breaking test needs to be carried out on the D-shaped ring, and the safety and the quality of the D-shaped ring can be guaranteed only by bearing corresponding bearing capacity.

However, the D-shaped ring cannot be directly clamped on the testing machine after being welded into a sample, so that the test cannot be normally performed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tool for a D-shaped ring tensile test, which solves the problem that a D-shaped ring cannot be directly clamped on a testing machine after being welded into a sample.

In order to achieve the purpose, the utility model provides the following technical scheme:

the D-shaped ring tensile test tool comprises a positioning part, a connecting part and a fixing part,

the positioning part and the connecting part are detachably and fixedly connected and are used for fixedly connecting the D-shaped ring;

the connecting part is fixedly connected with the fixing part, and the fixing part is fixedly connected with the corresponding position of the tensile testing machine.

Furthermore, location portion includes the locating pin, the locating pin is L shape structure, the assembly end of locating pin is equipped with the external screw thread, the tip department that the locating pin is close to the external screw thread is equipped with the via hole, the via hole cooperates with the pin.

Furthermore, the connecting portion are of a U-shaped structure, through holes and threaded holes are formed in the positions, close to the two ends, of the connecting portion respectively, and the positioning pins penetrate through the through holes and are in threaded connection with the threaded holes so that the positioning portions and the connecting portion are fixed.

Further, the fixed part includes the tensile pole of afterbody, the tensile pole of afterbody is the integrated into one piece structure with connecting portion, the tensile pole of afterbody and tensile test machine's corresponding position fixed connection, D type ring is put into through the U-shaped notch of connecting portion.

Furthermore, fixedly connected with protection part on the connecting portion lateral wall, protection part and the detachable fixed connection of location portion for to the fixed of locating pin.

Further, the protective part comprises a T-shaped protective frame, a cavity is arranged at the inner side of the protective frame, the inner walls of two opposite sides of the protective frame are provided with strip-shaped sliding grooves, a movable plate is arranged between the two strip-shaped sliding grooves, the outer walls of two opposite sides of the moving plate are fixedly connected with universal wheels, the treads of the two universal wheels are always contacted with the inner walls of the corresponding strip-shaped sliding chutes, a limiting plate is vertically arranged on the inner side of the protective frame, a sliding rod is fixedly connected on one side of the movable plate close to the limiting plate, the slide bar penetrates through the limiting plate, a telescopic spring is arranged between the moving plate and the limiting plate, a first fixing ring is fixedly connected on one side of the slide bar, which is far away from the moving plate, the first fixing ring is detachably and fixedly connected with a PU rope, the inner wall of the protective frame is provided with a plurality of wire guide rollers, the PU rope passes through the protection frame lateral wall and tip fixedly connected with auxiliary connection portion through the wire roller.

Further, supplementary connecting portion include the solid fixed ring of second, the standing groove has been seted up on the locating pin lateral wall, the standing groove is the spill structure, the solid fixed ring of inboard fixedly connected with second of standing groove, fixed connection can be dismantled with the solid fixed ring of second in the terminal of PU rope.

Furthermore, the slide bar is connected with the limiting plate in a sliding mode, one end of the telescopic spring is fixedly connected with the movable plate, and the other end of the telescopic spring is fixedly connected with the limiting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the two sections of the D-shaped ring are fixed through the matching of the connecting part and the positioning part, the end part of the tail stretching rod and the arc-shaped side wall of the connecting part are of an integrally formed structure, the tail stretching rod is fixedly arranged in a clamp of a stretching testing machine, the stretching rod at the tail is applied with pressure through the stretching testing machine, the D-shaped ring can be directly clamped on the testing machine after being welded and processed into a sample, so that the smooth test can be ensured, the D-shaped ring or the pipe ring can be subjected to the stretching test through a special clamping device with low investment, the test operation is convenient, the device is simple to assemble and disassemble, and the test result is accurate and stable.

2. According to the utility model, the movable plate is elastically connected with the limiting plate through the arranged telescopic spring, when the locating pin is broken and falls down, the movable plate can slide in the protective frame, so that the telescopic spring is extruded, the telescopic spring has a buffering effect through the flexibility of the telescopic spring, the impact force generated when the locating pin falls down can be effectively buffered, the swing range of the locating pin can be limited through the PU rope, and the damage to surrounding observers when the locating pin breaks down is avoided.

Drawings

FIG. 1 is a schematic overall front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic sectional view of the overall front view of the present invention;

FIG. 4 is a front sectional view of the protective part of the present invention;

FIG. 5 is a schematic view of the structure of the protective part and the auxiliary connecting part of the present invention in a fixed connection state;

FIG. 6 is an enlarged view of a portion A of FIG. 1;

FIG. 7 is an enlarged view of a portion B of FIG. 4;

fig. 8 is a partially enlarged structural view of a portion C in fig. 5.

In the figure: 10. a D-shaped ring; 20. positioning pins; 21. a via hole; 22. a pin; 30. a connecting portion; 31. a through hole; 32. a threaded hole; 40. a tail stretch rod; 50. a protective frame; 51. a strip-shaped chute; 52. moving the plate; 53. a universal wheel; 54. a limiting plate; 55. a slide bar; 56. a tension spring; 57. a first retaining ring; 58. a PU rope; 59. a wire guide roller; 60. a second retaining ring; 61. and (6) placing the groove.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides the following technical solutions:

the D-type ring tensile test tool comprises a tensile tool, a connecting part 30 and a fixing part, wherein the tensile tool comprises a positioning part, the connecting part and the fixing part;

the positioning part is detachably and fixedly connected with the connecting part 30 and is used for fixedly connecting the D-shaped ring 10;

the connecting part 30 is fixedly connected with the fixing part, and the fixing part is fixedly connected with the corresponding position of the tensile testing machine.

The positioning portion comprises a positioning pin 20, the positioning pin 20 is of an L-shaped structure, an external thread is arranged at the assembling end of the positioning pin 20, a through hole 21 is formed in the end portion, close to the external thread, of the positioning pin 20, and the through hole 21 is matched with a pin 22.

The inner diameter of the through hole 21 is larger than the outer diameter of the pin 22, so that the pin 22 can conveniently penetrate through the through hole, and threaded sleeves are connected to two sides of the pin 22 in a threaded mode.

The connecting portion 30 is of a U-shaped structure, the connecting portion 30 is provided with a through hole 31 and a threaded hole 32 near two ends, and the positioning pin 20 penetrates through the through hole 31 to be in threaded connection with the threaded hole 32, so that the positioning portion and the connecting portion 30 are fixed.

The fixing portion comprises a tail stretching rod 40, the tail stretching rod 40 and the connecting portion 30 are of an integrally formed structure, the tail stretching rod 40 is fixedly connected with the corresponding position of the tensile testing machine, and the D-shaped ring 10 is placed in through a U-shaped notch of the connecting portion 30.

Wherein, there is a protection part on the side wall of the connection part 30 through bolt fixed connection, and the protection part and the positioning part are detachably fixed connected for fixing the positioning pin 20.

When the device is used, the D-shaped ring 10 is firstly placed in through a U-shaped notch of the connecting part 30, then the positioning pin 20 penetrates through the through hole 31 to be in threaded connection with the threaded hole 32, the positioning pin 20 is fixed with the connecting part 30 through the threaded hole 32, the tail stretching rod 40 is in threaded connection with a chuck in a stretching experiment machine after the fixing is completed, the tail stretching rod 40 is applied with pressure through the stretching experiment machine, and the D-shaped ring 10 can be directly clamped on the experiment machine after being welded into a sample.

Wherein, the protection portion includes the protection frame 50 of T shape, protection frame 50 inboard is provided with the cavity, bar spout 51 all sets up on the relative both sides inner wall of protection frame 50, be provided with movable plate 52 between two bar spout 51, equal fixedly connected with universal wheel 53 on the relative both sides outer wall of movable plate 52, the tread of two universal wheels 53 contacts with the bar spout 51 inner wall that corresponds all the time, protection frame 50 inboard is vertical to be provided with limiting plate 54, fixedly connected with slide bar 55 on one side that movable plate 52 is close to limiting plate 54, slide bar 55 runs through limiting plate 54, be provided with expanding spring 56 between movable plate 52 and the limiting plate 54, slide bar 55 keeps away from on one side that movable plate 52 is gone up fixedly connected with first solid fixed ring 57, can dismantle fixedly connected with PU rope 58 on the first solid fixed ring 57, be provided with a plurality of wire rollers 59 on the protection frame 50 inner wall, PU rope 58 passes protection frame 50 lateral wall and tip fixedly connected with auxiliary connection portion through wire roller 59.

Wherein, supplementary connecting portion include the solid fixed ring 60 of second, have seted up standing groove 61 on the locating pin 20 lateral wall, and standing groove 61 is the concave structure, the solid fixed ring 60 of the inboard fixedly connected with second of standing groove 61, and the fixed ring 60 of dismantling fixed connection of terminal and the second of PU rope 58.

When the movable plate 52 and the limit plate 54 are elastically connected through the arranged telescopic spring 56, when the locating pin 20 breaks and falls, the PU rope 58 is influenced by gravity, the slide rod 55 is pulled, then the slide rod 55 pulls the movable plate 52 to move synchronously, the movable plate 52 can slide inside the protective frame 50, the telescopic spring 56 is extruded, the flexibility of the telescopic spring 56 plays a role in buffering, the impact force generated when the locating pin 20 falls can be effectively buffered, the swinging range of the locating pin 20 can be limited through the PU rope 58, through the matching of the arranged universal wheel 53 and the strip-shaped sliding groove 51, the moving track of the movable plate 52 can be limited, the horizontal movement of the movable plate 52 can be more smooth, and the movable plate 52 is prevented from being clamped.

The sliding rod 55 is slidably connected to the stopper plate 54, one end of the extension spring 56 is fixedly connected to the moving plate 52, and the other end of the extension spring 56 is fixedly connected to the stopper plate 54.

The working principle is as follows: when the D-shaped ring 10 is used, the D-shaped ring 10 is firstly placed in through a U-shaped notch of the connecting part 30, then the positioning pin 20 penetrates through the through hole 31 to be in threaded connection with the threaded hole 32, the positioning pin 20 is fixedly connected with the connecting part 30 through the threaded hole 32, the corresponding positions of the tail stretching rod 40 and the stretching experiment machine are fixedly connected after the fixing is finished, the stretching experiment machine applies pressure to the tail stretching rod 40, the D-shaped ring 10 is welded into a sample and then can be directly clamped on the experiment machine, so that the experiment is ensured to be carried out smoothly, in order to enable the positioning pin 20 used in the experiment process to be broken to damage the body of an observer, the movable plate 52 is elastically connected with the limiting plate 54 through the arranged telescopic spring 56, when the positioning pin 20 is broken and falls down, the PU rope 58 is influenced by gravity, the movable plate 55 is pulled, then the slide rod 55 pulls the movable plate 52 to move synchronously, so that the movable plate 52 can slide inside the protective frame 50, thereby extrusion expanding spring 56 plays the cushioning effect through expanding spring 56's elasticity, and the impact force that produces when can effectual buffering locating pin 20 tenesmus can inject locating pin 20's swing range through PU rope 58, causes the injury to peripheral observer when avoiding locating pin 20 to collapse absolutely.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

D type frock for ring tensile test, including location portion, connecting portion (30) and fixed part, its characterized in that:

the positioning part and the connecting part (30) are detachably and fixedly connected and are used for fixedly connecting the D-shaped ring (10);

connecting portion (30) and fixed part fixed connection, the fixed part is connected with tensile testing machine's corresponding position fixed connection.
2. The tool for the D-ring tensile test according to claim 1, characterized in that:

the locating part comprises a locating pin (20), the locating pin (20) is of an L-shaped structure, an external thread is arranged at the assembling end of the locating pin (20), a via hole (21) is formed in the end part, close to the external thread, of the locating pin (20), and the via hole (21) is matched with a pin (22).
3. The tool for the D-ring tensile test according to claim 2, characterized in that:

connecting portion (30) are the U-shaped structure, and connecting portion (30) are close to both ends department and are equipped with through-hole (31) and screw hole (32) respectively, locating pin (20) pass through-hole (31) and screw hole (32) threaded connection to make location portion and connecting portion (30) fixed.
4. The tool for the D-type ring tensile test according to claim 3, characterized in that:

the fixing part comprises a tail stretching rod (40), the tail stretching rod (40) and the connecting part (30) are of an integrally formed structure, the tail stretching rod (40) is fixedly connected with the corresponding position of the tensile testing machine, and the D-shaped ring (10) is placed into the U-shaped notch of the connecting part (30).
5. The tool for the D-ring tensile test according to claim 1, characterized in that:

fixedly connected with guard portion on connecting portion (30) lateral wall, the detachable fixed connection of guard portion and location portion is used for the fixed to locating pin (20).
6. The tool for the D-type ring tensile test according to claim 5, characterized in that:

the protective part comprises a T-shaped protective frame (50), a cavity is arranged on the inner side of the protective frame (50), bar-shaped sliding grooves (51) are formed in the inner walls of two opposite sides of the protective frame (50), a movable plate (52) is arranged between the two bar-shaped sliding grooves (51), universal wheels (53) are fixedly connected to the outer walls of two opposite sides of the movable plate (52), treads of the two universal wheels (53) are always in contact with the inner walls of the corresponding bar-shaped sliding grooves (51), a limiting plate (54) is vertically arranged on the inner side of the protective frame (50), a sliding rod (55) is fixedly connected to one side, close to the limiting plate (54), of the movable plate (52), the sliding rod (55) penetrates through the limiting plate (54), a telescopic spring (56) is arranged between the movable plate (52) and the limiting plate (54), and a first fixing ring (57) is fixedly connected to one side, far away from the sliding rod (55), first solid fixed ring (57) are gone up can dismantle fixedly connected with PU rope (58), be provided with a plurality of wire rollers (59) on protection frame (50) inner wall, PU rope (58) pass protection frame (50) lateral wall and tip fixedly connected with auxiliary connection portion through wire roller (59).
7. The tool for the D-type ring tensile test according to claim 6, characterized in that:

the auxiliary connection part comprises a second fixing ring (60), a placing groove (61) is formed in the side wall of the positioning pin (20), the placing groove (61) is of a concave structure, the second fixing ring (60) is fixedly connected to the inner side of the placing groove (61), and the terminal of the PU rope (58) is detachably and fixedly connected with the second fixing ring (60).
8. The tool for the D-type ring tensile test according to claim 6, characterized in that: the sliding rod (55) is connected with the limiting plate (54) in a sliding mode, one end of the telescopic spring (56) is fixedly connected with the moving plate (52), and the other end of the telescopic spring (56) is fixedly connected with the limiting plate (54).