CN220729916U - Be used for metal material fatigue test equipment - Google Patents

Abstract

The utility model discloses a metal material fatigue test device which comprises a clamping frame, a motor and a stretching detection device, wherein the motor and the stretching detection device are respectively positioned at the front side and the rear side of the clamping frame, a clamping table is connected inside the clamping frame, a clamping groove is formed in the rear side of the clamping table, movable clamping blocks are correspondingly arranged inside the clamping groove, fixed clamping blocks for limiting and fixing metal materials are symmetrically connected to the upper end face of the clamping table, a jack communicated with the clamping groove is formed in the middle of the upper end face of the clamping table, a pressing mechanism is arranged at the upper end of the clamping frame, and the pressing mechanism penetrates through the clamping frame and stretches into the jack. The utility model has the advantages of carrying out multiple fatigue detection on the metal material by stretching and pressing, improving the accuracy of detection data and improving the practicability of the equipment.

Description

Be used for metal material fatigue test equipment

Technical Field

The utility model belongs to the technical field of metal detection equipment, and particularly relates to fatigue test equipment for metal materials.

Background

In the use process of the current metal material tensile fatigue testing machine, the metal is required to be continuously stretched in a reciprocating manner.

For example, the Chinese patent with the application number of 201820870251.9 discloses a metal material tensile fatigue testing machine, wherein the height of a workbench is controlled by adjusting the height of a lifting clamp, so that the distance between two ends of the clamp is controlled, and the tensile treatment of metal materials with different lengths is realized.

However, the prior art has some problems: the metal material is subjected to fatigue detection through stretching, only the stretching bearing force of the metal material can be detected, the metal material cannot be further detected through extrusion force, and in the process of detecting the metal material, the metal material is contacted with the detection equipment and can move, so that certain deviation exists in detected data, and therefore the metal material fatigue test equipment is provided.

Disclosure of Invention

Aiming at the problems of the technology, the utility model provides the fatigue test equipment for the metal material, which has the advantages of carrying out multiple fatigue detection on the metal material by stretching and pressing, improving the accuracy of detection data and improving the practicability of the equipment, and solves the problems of inaccurate detection effect and certain deviation of the fatigue detection on the metal material by stretching.

The utility model is realized in such a way, the fatigue test equipment for the metal material comprises a clamping frame, a motor and stretching detection equipment, wherein the motor and the stretching detection equipment are respectively positioned at the front side and the rear side of the clamping frame, the clamping frame is internally connected with a clamping table, the rear side of the clamping table is provided with a clamping groove, the clamping groove is internally and correspondingly provided with a movable clamping block, the upper end face of the clamping table is symmetrically connected with a fixed clamping block for limiting and fixing the metal material, the middle part of the upper end face of the clamping table is provided with a jack communicated with the clamping groove, and the upper end of the clamping frame is provided with a pressing mechanism which penetrates through the clamping frame and stretches into the jack.

As the preferable mode of the utility model, the pressing mechanism comprises an outer cylinder, the outer cylinder penetrates through the clamping frame and stretches into the jack to be fixedly connected, an inner rod is connected with the inner screw thread of the outer cylinder, and a rotating handle is connected with the upper end of the inner rod extending to the outer part of the outer cylinder.

Preferably, the outer wall of the inner rod extending to the outside of the outer cylinder is connected with a driven wheel, and the driven wheel is positioned at the upper end of the clamping frame.

As preferable in the utility model, the upper end of the motor is connected with a driving wheel, the outer wall of the driving wheel is connected with a belt, and the driving wheel is connected with a driven wheel through the belt.

As a preferable mode of the utility model, a group of adjusting grooves are formed in the outer walls of the left side and the right side of the clamping frame, a plurality of matching blocks are connected to the outer walls of the left side and the right side of the clamping frame, the matching blocks are positioned on the front side of the adjusting grooves, grooves are formed in the upper end faces of the matching blocks, limiting holes communicated with the grooves are formed in the left side and the right side of the matching blocks, and bolts are connected to the inside of the limiting holes; limiting plates are arranged on the outer walls of the front side and the rear side of the clamping table, a pressing plate is connected to the upper end of each limiting plate, fixing blocks are connected to the two ends of each pressing plate, each fixing block is located on the left side and the right side of the clamping frame and connected with the pressing plate through an adjusting groove, a clamping block is rotationally connected to one side, which is not in contact with the clamping frame, of each fixing block, the cross sections of the clamping blocks are in L-shaped arrangement, and through holes are formed in the outer walls of the clamping blocks; the diameter of the through hole is the same as that of the limiting hole, the clamping block is inserted into the groove in a rotating mode, and the bolt is inserted into the through hole and the limiting hole to be fixed.

As the preferable mode of the utility model, the inner wall of the clamping table is symmetrically provided with the stretching grooves communicated with the clamping grooves, the stretching grooves are internally connected with the stretching shafts, the two ends of the stretching shafts respectively extend to the inside of the clamping grooves and the outside of the clamping table, and one end of the stretching shafts positioned in the clamping grooves is connected with the movable clamping blocks.

As the preferable mode of the utility model, the outer wall of one side corresponding to the movable clamping blocks is provided with clamping openings with trapezoidal cross sections.

As the preferable mode of the utility model, one side, close to the movable clamping block, of the outer wall of the stretching shaft, which is positioned in the stretching groove is connected with a limiting block, one side, far away from the movable clamping block, of the limiting block is connected with one end of a stretching spring, the other end of the stretching spring is connected with one end, far away from the movable clamping block, of the inner wall of the stretching groove, and the stretching spring is sleeved on the outer wall of the stretching shaft.

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

1. according to the utility model, the rotating handle is manually rotated to drive the inner rod to rotate in the outer cylinder, and the outer cylinder is fixed due to threaded connection, so that the inner rod moves downwards and stretches into the clamping groove to contact with the metal material, and the fixity for clamping the metal material is effectively improved;

2. according to the utility model, when the metal material is placed at the upper end of the clamping table, the motor is a bidirectional motor, the driving wheel is driven by the motor, the belt is driven by the driving wheel, and the driven wheel is driven by the belt, so that the inner rod is driven to rotate rapidly, move up and down in the outer cylinder, perform reciprocating motion, press and detect the metal material, and effectively improve the detection effect;

3. according to the clamping block, the clamping block is positioned in the groove through rotation, the through holes correspond to the limiting holes, the bolts sequentially penetrate through the limiting holes and the through holes, so that the clamping block is conveniently limited and fixed, the pressing plate is fixed, and the stability of the clamping table is improved;

4. according to the utility model, the metal material is placed into the clamping groove, the metal material is clamped through the clamping openings arranged on the movable clamping blocks, and the clamping openings are arranged in a trapezoid shape, so that the adjustment according to the size of the metal material is facilitated, and the practicability of the equipment is improved.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic rear view of a clamping frame according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a pressing mechanism provided by an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a clamping table according to an embodiment of the present utility model;

fig. 5 is an enlarged schematic view of the area a in fig. 1 according to an embodiment of the present utility model.

In the figure: 1. a clamping frame; 2. a motor; 3. a stretch detection device; 4. a clamping table; 5. a pressing mechanism; 11. a pressing plate; 12. an adjustment tank; 13. a mating block; 14. a plug pin; 21. a driving wheel; 22. a belt; 111. a fixed block; 112. a clamping block; 113. a through hole; 131. a groove; 132. a limiting hole; 41. a jack; 42. fixing the clamping blocks; 43. a stretching groove; 44. a clamping groove; 45. a movable clamping block; 46. stretching a shaft; 47. a limiting plate; 451. a clamping opening; 461. a tension spring; 462. a limiting block; 51. an outer cylinder; 52. an inner rod; 53. driven wheel; 54. a rotating handle.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the fatigue test device for metal materials provided by the embodiment of the utility model comprises a clamping frame 1, a motor 2 and a tensile detection device 3, wherein the motor 2 and the tensile detection device 3 are respectively positioned on the front side and the rear side of the clamping frame 1, the clamping frame 1 is internally connected with a clamping table 4, the rear side of the clamping table 4 is provided with a clamping groove 44, the clamping groove 44 is internally and correspondingly provided with a movable clamping block 45, the upper end surface of the clamping table 4 is symmetrically connected with a fixed clamping block 42 for limiting and fixing the metal materials, the middle part of the upper end surface of the clamping table 4 is provided with a jack 41 communicated with the clamping groove 44, the upper end of the clamping frame 1 is provided with a pressing mechanism 5, and the pressing mechanism 5 penetrates through the clamping frame 1 and stretches into the jack 41. The utility model has the advantages of carrying out multiple fatigue detection on the metal material by stretching and pressing, improving the accuracy of detection data and improving the practicability of the equipment.

As shown in fig. 1 to 3, the pressing mechanism 5 includes an outer cylinder 51, the outer cylinder 51 extends into the jack 41 through the clamping frame 1 to be fixedly connected, an inner rod 52 is connected with the inner screw thread of the outer cylinder 51, a rotating handle 54 is connected with the outer part of the inner rod 52 extending to the outer cylinder 51, a driven wheel 53 is connected with the outer wall of the inner rod 52 extending to the outer part of the outer cylinder 51, and the driven wheel 53 is positioned at the upper end of the clamping frame 1; by manually rotating the rotating handle 54, the inner rod 52 is driven to rotate inside the outer cylinder 51, and the outer cylinder 51 is fixed due to threaded connection, so that the inner rod 52 moves downwards and stretches into the clamping groove 44 to contact with the metal material, and the fixity for clamping the metal material is effectively improved.

As shown in fig. 1, the upper end of the motor 2 is connected with a driving wheel 21, the outer wall of the driving wheel 21 is connected with a belt 22, and the driving wheel 21 is connected with a driven wheel 53 through the belt 22; when the metal material is placed at the upper end of the clamping table 4, the motor 2 is a bidirectional motor 2, the driving wheel 21 is driven by the motor 2, the driving wheel 21 drives the belt 22, the belt 22 drives the driven wheel 53, the inner rod 52 is driven to rotate rapidly, the inner rod moves up and down in the outer cylinder 51 to reciprocate, the metal material is pressed and detected, and the detection effect is effectively improved.

As shown in fig. 1 and 5, the pressing mechanism 5 includes an outer cylinder 51, the outer cylinder 51 penetrates through the clamping frame 1 and extends into the jack 41 to be fixedly connected, an inner rod 52 is connected inside the outer cylinder 51 in a threaded manner, a rotating handle 54 is connected to the outer part of the outer cylinder 51, the outer wall of the inner rod 52 extending to the outer part of the outer cylinder 51 is connected with a driven wheel 53, the driven wheel 53 is positioned at the upper end of the clamping frame 1, the upper end of the motor 2 is connected with a driving wheel 21, the outer wall of the driving wheel 21 is connected with a belt 22, the driving wheel 21 is connected with the driven wheel 53 through the belt 22, the outer walls of the left side and the right side of the clamping frame 1 are respectively provided with a group of adjusting grooves 12, the outer walls of the left side and the right side of the clamping frame 1 are respectively connected with a plurality of matching blocks 13, the matching blocks 13 are positioned at the front sides of the adjusting grooves 12, the upper end faces of the matching blocks 13 are provided with grooves 131, the left side and the right side and the left side of the matching blocks 13 are respectively provided with limiting holes 132 communicated with the grooves 131, and the limiting holes 132 are internally connected with bolts 14; limiting plates 47 are arranged on the outer walls of the front side and the rear side of the clamping table 4, a pressing plate 11 is connected to the upper end of the limiting plates 47, fixing blocks 111 are connected to the two ends of the pressing plate 11, the fixing blocks 111 are located on the left side and the right side of the clamping frame 1 and penetrate through the adjusting grooves 12 to be connected with the pressing plate 11, clamping blocks 112 are rotatably connected to one side, which is not contacted with the clamping frame 1, of the fixing blocks 111, the cross sections of the clamping blocks 112 are in L-shaped arrangement, and through holes 113 are formed in the outer walls of the clamping blocks 112; the diameter of the through hole 113 is the same as that of the limit hole 132, the clamping block 112 is inserted into the groove 131 in a rotating way, and the bolt 14 is inserted into the through hole 113 and the limit hole 132 to be fixed; through rotating fixture block 112 for fixture block 112 is located inside recess 131, and through-hole 113 corresponds with spacing hole 132, utilizes bolt 14, runs through spacing hole 132 and through-hole 113 in proper order, is convenient for spacing fixedly to fixture block 112 to it is fixed to pressboard 11, improves the steadiness of grip block 4, prevents that metal material from producing the removal at the in-process pressboard 11 that detects, avoids grip block 4 to produce the removal, causes the metal material detection position inequality of detection, influences the detection effect.

As shown in fig. 1 and fig. 4, the inner wall of the clamping table 4 is symmetrically provided with a stretching groove 43 communicated with the clamping groove 44, the inside of the stretching groove 43 is connected with a stretching shaft 46, two ends of the stretching shaft 46 extend to the inside of the clamping groove 44 and the outside of the clamping table 4 respectively, one end of the stretching shaft 46 positioned in the inside of the clamping groove 44 is connected with a movable clamping block 45, the outer wall of one side corresponding to the movable clamping block 45 is provided with a clamping opening 451 with a trapezoid cross section, one side, close to the movable clamping block 45, of the outer wall of the stretching shaft 46 positioned in the stretching groove 43 is connected with a limiting block 462, one side, far from the movable clamping block 45, of the limiting block 462 is connected with one end, far from the movable clamping block 45, of the other end of the stretching spring 461 is connected with one end, far from the movable clamping block 45, of the inner wall of the stretching groove 43, and the stretching spring 461 is sleeved on the outer wall of the stretching shaft 46; the metal material is placed into the clamping groove 44, the metal material is clamped through the clamping opening 451 arranged on the movable clamping block 45, the clamping opening 451 is arranged in a trapezoid shape, the metal material is convenient to adjust according to the size of the metal material, and the practicability of the equipment is improved.

The working principle of the utility model is as follows:

when the device is used, firstly, metal materials are placed into the clamping groove 44, the metal materials are clamped through the clamping openings 451 arranged on the movable clamping blocks 45, the clamping openings 451 are arranged in a trapezoid shape, the adjustment is convenient to carry out according to the size of the metal materials, the stretching shafts 46 are driven to move, the stretching shafts 46 drive the limiting blocks 462 to move in the stretching groove 43, the stretching springs 461 are compressed, the adjustment according to the size of the metal materials is achieved, then the rotating handle 54 is manually rotated, the inner rod 52 is driven to rotate in the outer cylinder 51, the outer cylinder 51 is fixedly connected due to threads, the inner rod 52 moves downwards and stretches into the clamping groove 44 to contact the metal materials, the fixity of clamping the metal materials is improved, then the clamping ends of the stretching detection equipment 3 arranged outside are used for clamping the metal materials, the stretching detection equipment 3 is started, the output ends of the hydraulic cylinders are connected with clamping pieces, the clamping pieces are used for clamping the metal materials, the metal materials can also be directly placed on the upper end faces of the clamping table 4, and fatigue tests can be carried out by using the symmetrically arranged clamping blocks 42; and through driving action wheel 21 through motor 2, action wheel 21 drives belt 22, and belt 22 drives from driving wheel 53 to drive interior pole 52 fast rotation, reciprocate in urceolus 51 inside, carry out the pressing detection to the metal material, effectively improve the detection effect.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (8)

1. The utility model provides a be used for metal material fatigue test equipment, includes clamping frame (1), motor (2) and tensile test equipment (3), its characterized in that: motor (2) and tensile check out test set (3) are located both sides around clamping frame (1) respectively, clamping frame (1) internally connected has clamping table (4), clamping table (4) rear side is equipped with clamping groove (44), clamping groove (44) inside correspondence is equipped with movable grip block (45), clamping table (4) up end symmetry is connected with fixed grip block (42) that carries out spacing fixed to the metal material, the middle part of clamping table (4) up end is equipped with jack (41) that are linked together with clamping groove (44), clamping frame (1) upper end is equipped with pressing mechanism (5), pressing mechanism (5) run through clamping frame (1) and stretch into inside jack (41).

2. A fatigue testing device for metallic materials as in claim 1, wherein: the pressing mechanism (5) comprises an outer cylinder (51), the outer cylinder (51) penetrates through the clamping frame (1) and stretches into the jack (41) to be fixedly connected, an inner rod (52) is connected with the inner screw thread of the outer cylinder (51), and a rotating handle (54) is connected to the outer part of the outer cylinder (51) from the upper end of the inner rod (52).

3. A fatigue testing device for metallic materials as in claim 2, wherein: the outer wall of the inner rod (52) extending to the outside of the outer cylinder (51) is connected with a driven wheel (53), and the driven wheel (53) is positioned at the upper end of the clamping frame (1).

4. A fatigue testing device for metallic materials as in claim 3, wherein: the upper end of the motor (2) is connected with a driving wheel (21), the outer wall of the driving wheel (21) is connected with a belt (22), and the driving wheel (21) is connected with a driven wheel (53) through the belt (22).

5. A fatigue testing device for metallic materials as in claim 1, wherein: the clamping frame is characterized in that a group of adjusting grooves (12) are formed in the outer walls of the left side and the right side of the clamping frame (1), a plurality of matching blocks (13) are connected to the outer walls of the left side and the right side of the clamping frame (1), the matching blocks (13) are located on the front side of the adjusting grooves (12), grooves (131) are formed in the upper end faces of the matching blocks (13), limiting holes (132) communicated with the grooves (131) are formed in the left side and the right side of the matching blocks (13), and bolts (14) are connected to the inside of the limiting holes (132); limiting plates (47) are arranged on the outer walls of the front side and the rear side of the clamping table (4), a pressing plate (11) is connected to the upper end of each limiting plate (47), fixing blocks (111) are connected to the two ends of each pressing plate (11), each fixing block (111) is located on the left side and the right side of the clamping frame (1), each fixing block (111) penetrates through the adjusting groove (12) to be connected with the corresponding pressing plate (11), a clamping block (112) is rotationally connected to one side, which is not in contact with the clamping frame (1), of each fixing block (111), the cross sections of the clamping blocks (112) are in L-shaped arrangement, and through holes (113) are formed in the outer walls of the clamping blocks (112); the diameter of the through hole (113) is the same as that of the limiting hole (132), the clamping block (112) is inserted into the groove (131) in a rotating mode, and the bolt (14) is inserted into the through hole (113) and the limiting hole (132) to be fixed.

6. A fatigue testing device for metallic materials as in claim 1, wherein: the clamping table (4) inner wall symmetry is equipped with tensile groove (43) that are linked together with clamping groove (44), tensile groove (43) internal connection has tensile axle (46), tensile axle (46) both ends extend to clamping groove (44) inside and clamping table (4) outside respectively, tensile axle (46) are located the inside one end of clamping groove (44) and are connected with movable grip block (45).

7. A fatigue testing device for metallic materials as in claim 6, wherein: the outer walls of the corresponding sides between the movable clamping blocks (45) are respectively provided with clamping openings (451) with trapezoidal cross sections.

8. A fatigue testing device for metallic materials as in claim 7, wherein: the utility model discloses a drawing shaft (46) outer wall is located drawing groove (43) inside and is close to movable grip block (45) one side and be connected with stopper (462), stopper (462) are kept away from movable grip block (45) one side and are connected with the one end of extension spring (461), the one end that the extension spring (461) other end kept away from movable grip block (45) with drawing groove (43) inner wall is connected, and extension spring (461) cover is established at drawing shaft (46) outer wall.