CN217424988U

CN217424988U - Metal material tensile strength detection device for hydraulic engineering

Info

Publication number: CN217424988U
Application number: CN202220330158.5U
Authority: CN
Inventors: 陆德安; 李克; 刘俊峰
Original assignee: Anhui Jinyuan Engineering Testing Co ltd
Current assignee: Anhui Jinyuan Engineering Testing Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-13
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a metal material tensile strength detection device for hydraulic engineering, comprises a workbench, install the guide rail on the workstation, sliding connection has the slide in the guide rail, fixed surface has the backup pad that is located the guide rail on the workstation, and fixed surface is connected with force sensor under the slide, force sensor lower surface and backup pad upper surface all are fixed with two sets of wire winding devices that are central symmetry, wire winding device includes the supporting disk, supporting disk and the backup pad or the force sensor fixed connection that correspond, all be fixed with the supporting shoe on the supporting disk. The utility model discloses a twine the both ends of metal cable respectively on the winding stick that corresponds in two sets of winding devices to the cooperation through infrared transmitter on the positioner and infrared receiver combines positioner to guarantee jointly that the measurement part of cable is on a vertical line, avoids the cable slope that awaits measuring, reduces the error that produces among the cable tensile strength measurement process.

Description

Metal material tensile strength detection device for hydraulic engineering

Technical Field

The utility model relates to a tensile strength check out test set technical field specifically is a metal material tensile strength detection device for hydraulic engineering.

Background

The tensile strength (tensile strength) is a critical value of transition of metal from uniform plastic deformation to local concentrated plastic deformation, and is also the maximum bearing capacity of the metal under a static stretching condition, the tensile strength is resistance representing the maximum uniform plastic deformation of a material, the deformation of a stretching sample is uniform and consistent before the stretching sample bears the maximum tensile stress, but after the maximum tensile stress is exceeded, the metal begins to shrink, namely concentrated deformation is generated, for a brittle material without (or with small) uniform plastic deformation, the fracture resistance of the material is reflected, and therefore, when the metal material is produced, detection is needed.

When materials such as electric wire and cable detect, need fix the cable both ends, then stretch, through electronic component measurement judgement cable such as mechanics sensor tensile strength, the fixed mode in cable both ends has clamp type and wound form, because the cable is flexible, when winding the wire on the winding bar through the wound form, it is difficult to keep vertical to its state from top to bottom, there is certain slope usually, also can lead to at tensile in-process, the size of the unable accurate judgement power, lead to tensile strength erroneous judgement, for this reason, we provide a metal material tensile strength detection device for hydraulic engineering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal material tensile strength detection device for hydraulic engineering to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a metal material tensile strength detection device for hydraulic engineering comprises a workbench, a guide rail is arranged on the workbench, a sliding plate is connected in the guide rail in a sliding way, a supporting plate positioned in the guide rail is fixed on the upper surface of the workbench, a tension sensor is fixedly connected on the lower surface of the sliding plate, two groups of centrosymmetric winding devices are fixed on the lower surface of the tension sensor and the upper surface of the supporting plate, the winding device comprises a supporting plate which is fixedly connected with a corresponding supporting plate or a corresponding tension sensor, supporting blocks are fixed on the supporting disks, a first gap and a second gap are arranged on the supporting blocks, a winding bar is fixed on the supporting block, anti-skid grains are arranged at one end of the winding bar close to the supporting block, external threads are arranged at one end far away from the supporting block, the part between the anti-skidding lines and the external threads is smooth, and the winding rod is provided with a wire pressing assembly.

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

the utility model discloses a twine the both ends of metal cable respectively on the winding stick that corresponds in two sets of winding devices to the cooperation through infrared transmitter on the positioner and infrared receiver combines positioner to guarantee jointly that the measurement part of cable is on a vertical line, avoids the cable slope that awaits measuring, reduces the error that produces among the cable tensile strength measurement process.

Drawings

Fig. 1 is a schematic view of the overall structure of a metal material tensile strength detection device for hydraulic engineering according to the present invention;

fig. 2 is a schematic view of an explosion structure of a winding device in the tensile strength detection device for a metal material for hydraulic engineering of the present invention;

fig. 3 is a schematic view of a winding bar structure in the metal material tensile strength detection device for hydraulic engineering provided by the utility model;

FIG. 4 is an enlarged view of area A of FIG. 1;

fig. 5 is an enlarged view of the region B in fig. 2.

In the figure: 1. a work table; 11. a guide rail; 12. a slide plate; 13. a support plate; 14. a tension sensor; 2. a winding device; 21. a support disc; 22. a support block; 221. a first notch; 222. a second notch; 23. a wire winding rod; 231. anti-skid lines; 232. an external thread; 24. a wire pressing assembly; 241. a threaded barrel; 242. a support pillar; 243. wire pressing rings; 244. a positioning device; 245. rotating the ring; 246. a connecting rod; 247. a limiting ring; 248. mounting blocks; 249. a telescoping assembly; 250. a support cylinder; 251. a telescopic rod; 252. an elastic member; 253. a spring; 31. an infrared emitter; 32. an infrared receiver.

Detailed Description

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

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a metal material tensile strength detection device for hydraulic engineering comprises a workbench 1, a guide rail 11 is mounted on the workbench 1, a driving device (not shown in the figure) is arranged in the guide rail 11, a sliding plate 12 is connected in the guide rail 11 in a sliding manner, the driving device is used for driving the sliding plate 12 to move up and down, a supporting plate 13 positioned in the guide rail 11 is fixed on the upper surface of the workbench 1, a tension sensor 14 is fixedly connected on the lower surface of the sliding plate 12, two groups of winding devices 2 which are centrosymmetric are fixed on the lower surface of the tension sensor 14 and the upper surface of the supporting plate 13, each winding device 2 comprises a supporting plate 21, the supporting plate 21 is fixedly connected with the corresponding supporting plate 13 or tension sensor 14, a supporting block 22 is fixed on each supporting plate 21, a first notch 221 and a second notch 222 are formed in each supporting block 22, a winding rod 23 is fixed on each supporting block 22, the one end that the winding bar 23 is close to supporting shoe 22 is equipped with anti-skidding line 231, can increase the frictional force of metal cable and winding bar 23, prevents that the tensile in-process of metal cable from skidding, and the one end that the supporting shoe 22 was kept away from to winding bar 23 simultaneously is equipped with external screw thread 232, the part between anti-skidding line 231 and the external screw thread 232 is smooth form, be equipped with line ball subassembly 24 on the winding bar 23.

The wire pressing assembly 24 is a threaded barrel 241 in threaded connection with the winding bar 23 through an external thread 232, one end of the threaded barrel 241 close to the supporting block 22 is fixed with a plurality of supporting columns 242, one end of the supporting columns 242 far away from the threaded barrel 241 is fixed with a wire pressing ring 243, the wire pressing ring 243 is in sliding sleeve connection with the winding bar 23, and a positioning device 244 is arranged between the threaded barrel 241 and the winding bar 23.

In addition, the opposite profile excircles of the two winding bars 23 are tangent to the same vertical line.

The positioning device 244 comprises a rotating ring 245 and a connecting rod 246, wherein the rotating ring 245 is rotatably connected with the threaded cylinder 241, the connecting rod 246 is fixedly connected with the winding rod 23, two limiting rings 247 fixedly connected with the threaded cylinder 241 are symmetrically arranged on two sides of the rotating ring 245, a mounting block 248 is fixed on each limiting ring 247, and a telescopic assembly 249 is arranged between each mounting block 248 and the corresponding connecting rod 246.

The two mounting blocks 248 are correspondingly fixed with an infrared transmitter 31 and an infrared receiver 32.

In this scheme, when metal cable tensile strength measured, the winding form of cable: firstly, one end of a metal cable is wound on the supporting block 22 through the first notch 221 and the second notch 222, and is wound on the winding rod 23 through the cable, and is wound from the anti-slip line 231 section to the smooth section through the winding rod 23, and extends to the smooth section to the anti-slip line 231 section of the winding rod 23 on the winding device 2 below, and is fixed on the corresponding supporting block 22 through the first notch 221 and the second notch 222, and then the wire pressing ring 243 pushes the cable on the corresponding winding rod 23 to be pressed tightly by rotating the corresponding threaded barrel 241, and infrared rays emitted by the infrared emitter 31 are received on the infrared receiver 32, so that the corresponding cable is positioned and aligned.

Example two

Referring to fig. 2 to fig. 5, this embodiment is further described as an embodiment one, wherein the telescopic assembly 249 includes a supporting cylinder 250 fixedly connected to the mounting block 248, a telescopic rod 251 fixedly connected to the connecting rod 246 is slidably connected to the supporting cylinder 250, and a portion of the telescopic rod 251 located in the supporting cylinder 250 is sleeved with an elastic member 252.

The elastic member 252 includes a spring 253, and both ends of the spring 253 are respectively in contact with the end of the telescopic rod 251 and the support cylinder 250.

In this scheme, flexible subassembly 249's theory of operation: when the threaded cylinder 241 in the wire pressing assembly 24 rotates, the two limit rings 247 drive the threaded cylinder 241 to move, and the infrared receiver 32 or the infrared emitter 31 corresponding to the mounting block 248 is driven to move, and under the action of the spring 253, the mounting block 248 of the supporting cylinder 250 applies an acting force to the threaded cylinder 241 through the rotary ring 245, so that the threaded cylinder 241 is prevented from loosening in the stretching measurement process.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A metal material tensile strength detection device for hydraulic engineering comprises a workbench (1), wherein a guide rail (11) is installed on the workbench (1), and is characterized in that a sliding plate (12) is connected in the guide rail (11) in a sliding manner, a supporting plate (13) positioned in the guide rail (11) is fixed on the upper surface of the workbench (1), a tension sensor (14) is fixedly connected to the lower surface of the sliding plate (12), and two groups of centrosymmetric winding devices (2) are fixed on the lower surface of the tension sensor (14) and the upper surface of the supporting plate (13);

the winding device (2) comprises a supporting disc (21), the supporting disc (21) is fixedly connected with a corresponding supporting plate (13) or a corresponding tension sensor (14), supporting blocks (22) are fixed on the supporting disc (21), first notches (221) and second notches (222) are formed in the supporting blocks (22), winding bars (23) are fixed on the supporting blocks (22), anti-slip patterns (231) are arranged at one ends, close to the supporting blocks (22), of the winding bars (23), external threads (232) are arranged at one ends, far away from the supporting blocks (22), portions between the anti-slip patterns (231) and the external threads (232) are smooth, and wire pressing assemblies (24) are arranged on the winding bars (23).

2. The metal material tensile strength detection device for the hydraulic engineering according to claim 1, characterized in that: the wire pressing assembly (24) is connected with a thread cylinder (241) of a winding rod (23) through threads (232), one end, close to a supporting block (22), of the thread cylinder (241) is fixedly provided with a plurality of supporting columns (242), one end, far away from the thread cylinder (241), of the supporting columns (242) is fixedly provided with a wire pressing ring (243), the wire pressing ring (243) is in sliding sleeve connection with the winding rod (23), and a positioning device (244) is arranged between the thread cylinder (241) and the winding rod (23).

3. The metal material tensile strength detection device for the hydraulic engineering according to claim 2, characterized in that: the positioning device (244) comprises a rotating ring (245) and a connecting rod (246) which is fixedly connected with the winding rod (23) and is rotatably connected with the threaded cylinder (241), two limiting rings (247) which are fixedly connected with the threaded cylinder (241) are symmetrically arranged on two sides of the rotating ring (245), a mounting block (248) is fixed on each limiting ring (247), and a telescopic assembly (249) is arranged between each mounting block (248) and the connecting rod (246).

4. The metal material tensile strength detection device for the hydraulic engineering according to claim 3, characterized in that: the telescopic assembly (249) comprises a supporting cylinder (250) fixedly connected with the mounting block (248), a telescopic rod (251) fixedly connected with the connecting rod (246) is slidably connected in the supporting cylinder (250), and an elastic part (252) is sleeved on a part, located in the supporting cylinder (250), of the telescopic rod (251).

5. The metal material tensile strength detection device for the hydraulic engineering according to claim 4, characterized in that: the elastic piece (252) comprises a spring (253), and two ends of the spring (253) are respectively contacted with the tail end of the telescopic rod (251) and the support cylinder (250).

6. The metal material tensile strength detection device for the hydraulic engineering according to claim 3, characterized in that: an infrared transmitter (31) and an infrared receiver (32) are correspondingly fixed on the two mounting blocks (248).