Electronic fatigue testing machine

Abstract

The utility model belongs to the technical field of electronic fatigue testing machines, and particularly relates to an electronic fatigue testing machine which comprises a base and an operating console, the top of the base is fixedly connected with a pair of symmetrically-distributed sliding rods. The outer circle walls of the pair of sliding rods are connected with a cross beam in a sliding mode. The tops of the pair of sliding rods are fixedly connected with a connecting plate. The bottom of the connecting plate is fixedly connected with a pair of electric cylinders; the output end of the electric cylinder is fixedly connected to the top of the cross beam; an upper clamp is arranged at the bottom of the cross beam through a mounting piece; the base is provided with a lower clamp through a clamping piece; under the action of the mounting piece and the clamping piece, different clamps can be arranged on the cross beam and the base, different test articles can be conveniently tested, the upper clamp can be inserted and fixed on the cross beam through the mounting piece, the situations that a bolt type clamp is loosened and falls off can be avoided, and the mounting stability of the upper clamp is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic fatigue testing machines, in particular to an electronic fatigue testing machine. Background Art

[0002] Electronic fatigue testing machine is an instrument used for fatigue performance testing of materials and components. It has the characteristics of high precision, high efficiency, high repeatability and high reliability. Its working principle is mainly to use the electronic servo system as the driving system to achieve precise control of parameters such as load, displacement, frequency, etc. under computer control, thereby simulating the cyclic stress or strain to which the material is subjected during actual use, so as to evaluate the fatigue performance and reliability of the material.

[0003] Most of the existing electronic fatigue testing machines use a fixture installation method that utilizes a pin rod to be inserted into the sockets of the fixture and the mounting seat. This type of pin-type fixture will cause the pin to wear or fail under long-term, high-load test conditions. Especially when the pin is of poor quality or improperly installed, the failure of the pin will cause the fixture to loosen or fall off, causing serious impact on the test. Therefore, an electronic fatigue testing machine is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art, most of the existing electronic fatigue testing machines use a fixture installation method that utilizes a latch rod to be inserted into the sockets of the fixture and the mounting seat. This latch-type fixture will cause the latch to wear or fail under long-term, high-load test conditions. Especially when the latch is of poor quality or improperly installed, the failure of the latch will cause the fixture to loosen or fall off, causing a serious impact on the test. The utility model proposes an electronic fatigue testing machine.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an electronic fatigue testing machine described in the utility model comprises a base and an operating console; a pair of symmetrically distributed sliding rods are fixedly connected to the top of the base; the outer circular walls of a pair of the sliding rods are slidably connected to a crossbeam; a connecting plate is fixedly connected to the top of a pair of the sliding rods; a pair of electric cylinders are fixedly connected to the bottom of the connecting plate; the output end of the electric cylinder is fixedly connected to the top of the crossbeam; an upper clamp is provided at the bottom of the crossbeam through a mounting piece; the base is provided with a lower clamp through a clamping piece, which can avoid the loosening and falling off of the pin-type clamp and improve the installation stability of the upper clamp.

[0006] Preferably, the mounting member comprises a connecting block; a connecting block is fixedly connected to the bottom of the cross beam; a group of slots are provided at the bottom of the connecting block; a group of blocks are fixedly connected to the top of the upper clamp; the slots match the blocks; a group of arc blocks are fixedly connected to the outer circular wall of the block; a slide groove is provided on the side wall of the arc block; an insert block is slidably connected to the groove wall of the slide groove; a spring is fixed between the insert block and the slide groove; a slot is provided on the side wall of the arc block; the slot matches the insert block; a pair of limit blocks 1 are fixedly connected to the side wall of the clamp; a pair of limit blocks 1 match the insert block; a control member is provided on the top of the arc block, so that the upper clamp is in a fixed state when the connecting block is in a fixed state, thereby fixing the upper clamp.

[0007] Preferably, the control member includes a sliding rod; an arc groove is provided on the top of the arc block; the arc groove is communicated with the slide groove; the groove wall of the arc groove is slidably connected with a sliding rod; one end of the sliding rod is fixedly connected to the side wall of the plug block; a group of the sliding rods are fixedly connected to the top end with an annular block; the outer circular wall of the annular block is fixedly connected with a handle, which can slide a group of plug blocks at the same time, simplifying the operation of the staff and improving the efficiency of installing the fixture.

[0008] Preferably, the clamping member includes a base plate; a base plate is provided on the top of the base; a pair of extension blocks are fixedly connected to the side walls of the base plate; a pair of extension blocks are rotatably connected with a two-way threaded rod; a pair of symmetrically distributed inverted L-shaped plates are threadedly connected to the outer circular walls of the two-way threaded rods; a square block is fixedly connected to the bottom of the lower clamp; the square block matches with a pair of inverted L-shaped plates; limit grooves are provided on the side walls of the square block; a pair of limit blocks 2 are fixedly connected to the side walls of the inverted L-shaped plates; the limit blocks 2 match with the limit grooves, so as to achieve the effect of quick replacement of the lower clamp.

[0009] Preferably, a group of circular through grooves are provided on the top of the base; a group of circular rods are fixedly connected to the bottom of the base plate; the circular rods match the circular through grooves, which can facilitate the separation of the base plate from the base, facilitate the cleaning of the base, and prevent dust from affecting the measurement results of the equipment.

[0010] Preferably, adjacent side walls of a group of the limiting blocks 2 are all configured as pointed ends, so that the limiting blocks 2 can be conveniently inserted into the limiting grooves, thus playing an auxiliary guiding role.

[0011] The utility model is beneficial in that:

[0012] 1. With the help of the mounting parts and the clamping parts, different clamps can be configured on the beam and the base to facilitate the testing of different test products. The mounting parts can insert and fix the upper clamp on the beam, which can avoid the loosening and falling off of the latch-type clamp and improve the installation stability of the upper clamp.

[0013] 2. The upper fixture is fixed in the connecting block, which has the effect of fixing the upper fixture. A group of plug blocks can be slid at the same time, which simplifies the operation of the staff, improves the efficiency of installing the fixture, and has the effect of quickly replacing the lower fixture. The bottom plate can be easily separated from the base, which is convenient for cleaning the base and preventing dust from affecting the measurement results of the equipment. The limit block 2 can be easily inserted into the limit groove to play an auxiliary guiding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0018] Figure 4 Exploded view of the connection block;

[0019] Figure 5 This is a partial structural diagram of the lower fixture.

[0020] In the figure: 1. base; 2. operating console; 3. sliding rod; 4. crossbeam; 5. connecting plate; 6. electric cylinder; 7. upper clamp; 8. lower clamp; 9. connecting block; 10. slot; 11. clamping block; 12. arc block; 13. slide groove; 14. insert block; 15. slot; 16. limit block 1; 17. sliding rod; 18. arc groove; 19. ring block; 20. handle; 21. bottom plate; 22. extension block; 23. two-way threaded rod; 24. inverted L-shaped plate; 25. square block; 26. limit groove; 27. limit block 2; 28. circular through groove; 29. ​​circular rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 As shown, an electronic fatigue testing machine includes a base 1 and an operation console 2; a pair of symmetrically distributed sliding bars 3 are fixedly connected to the top of the base 1; a pair of the outer circular walls of the sliding bars 3 are slidably connected to a beam 4; a pair of the tops of the sliding bars 3 are fixedly connected to a connecting plate 5; a pair of electric cylinders 6 are fixedly connected to the bottom of the connecting plate 5; the output end of the electric cylinder 6 is fixedly connected to the top of the beam 4; an upper clamp 7 is provided at the bottom of the beam 4 through a mounting member; the base 1 is provided with a lower clamp 8 through a clamping member; when working, the beam 4 is driven to slide on the sliding bar 3 by the output end of the electric cylinder 6, so that the beam 4 drives the upper clamp 7 to move, the operation console 2 is used to control the electric cylinder and to collect measurement records in mechanical tests, under the action of the mounting member and the clamping member, different clamps can be configured on the beam 4 and the base 1, which is convenient for testing different test products, and the mounting member can insert and fix the upper clamp 7 on the beam 4, which can avoid the loosening and falling off of the latch type clamp, and improve the installation stability of the upper clamp 7.

[0023] The mounting member includes a connecting block 9; a connecting block 9 is fixedly connected to the bottom of the crossbeam 4; a group of card slots 10 are provided at the bottom of the connecting block 9; a group of card blocks 11 are fixedly connected to the top of the upper clamp 7; the card slots 10 match the card blocks 11; a group of arc blocks 12 are fixedly connected to the outer circular wall of the card block 11; a slide groove 13 is provided on the side wall of the arc block 12; an insert block 14 is slidably connected to the groove wall of the slide groove 13; a spring is fixedly connected between the insert block 14 and the slide groove 13; a slot 15 is provided on the side wall of the arc block 12; the slot 15 matches the insert block 14; a pair of limit blocks 16 are fixedly connected to the side wall of the card block 11; a pair of limit blocks 16 match the insert block 14 Matching; a control part is provided on the top of the arc block 12; when working, the plug block 14 slides in the slide groove 13. When the staff installs the upper clamp 7, under the action of the control part, a group of plug blocks 14 are pulled back into the slide groove 13. At this time, the card block 11 on the upper clamp 7 is inserted into the card groove 10 of the connecting block 9, and the limit block 16 on the card block 11 will correspond to the arc block 12. After the staff releases the control of the plug block 14, the plug block 14 will slide through the elastic force of the spring, and the plug block 14 will pass through a pair of limit blocks 16 and enter the slot 15 of the arc block 12, so that the upper clamp 7 is in a fixed state on the connecting block 9, thereby fixing the upper clamp 7.

[0024] The control member includes a sliding rod 17; an arc groove 18 is provided on the top of the arc block 12; the arc groove 18 is communicated with the slide groove 13; the groove wall of the arc groove 18 is slidably connected with the sliding rod 17; one end of the sliding rod 17 is fixedly connected to the side wall of the plug block 14; a group of the top ends of the sliding rods 17 are fixedly connected with an annular block 19; the outer circular wall of the annular block 19 is fixedly connected with a handle 20; during operation, the sliding rod 17 slides in the arc groove 18, so that the sliding rod 17 drives the annular block 19 and the plug block 14 to move. When the staff installs the clamp 7, the handle 20 can be pulled to slide a group of plug blocks 14 at the same time, which simplifies the operation of the staff and improves the efficiency of installing the clamp.

[0025] The clamping member includes a bottom plate 21; a bottom plate 21 is provided on the top of the base 1; a pair of extension blocks 22 are fixedly connected to the side walls of the bottom plate 21; a pair of bidirectional threaded rods 23 are rotatably connected between the pair of extension blocks 22; a pair of symmetrically distributed inverted L-shaped plates 24 are threadedly connected to the outer circumferential walls of the pair of bidirectional threaded rods 23; a square block 25 is fixedly connected to the bottom of the lower clamp 8; the square block 25 matches the pair of inverted L-shaped plates 24; the side walls of the square block 25 are provided with limiting grooves 26; the side walls of the inverted L-shaped plates 24 are fixedly connected to a pair of limiting blocks 27; the limiting Block 27 matches the limit groove 26; when working, the pair of inverted L-shaped plates 24 are driven by rotating the two-way threaded rod 23. When the lower clamp 8 is placed on the bottom plate 21, the staff rotates the two-way threaded rod 23, and the pair of inverted L-shaped plates 24 will move toward each other at the same time. The limit block 27 on the inverted L-shaped plate 24 will be inserted into the limit groove 26 of the square block 25, and the transverse plate on the inverted L-shaped plate 24 will form an inverted state at the top of the square block 25, and the limit block 27 will limit the lateral movement of the square block 25 in the limit groove 26, so that the lower clamp 8 can be quickly replaced.

[0026] A group of circular through grooves 28 are provided on the top of the base 1; a group of circular rods 29 are fixedly connected to the bottom of the bottom plate 21; the circular rods 29 match the circular through grooves 28; when working, the bottom plate 21 is inserted into the circular through grooves 28 through the circular rods 29, so that the bottom plate 21 can be easily separated from the base 1, which is convenient for cleaning the base 1 and preventing dust from affecting the measurement results of the equipment.

[0027] The adjacent side walls of a group of the second limit blocks 27 are all set as pointed ends; when working, the working principle is that the output end of the electric cylinder 6 drives the crossbeam 4 to slide on the slide rod 3, so that the crossbeam 4 drives the upper clamp 7 to move. The function of the operating console 2 is to control the electric cylinder and to collect measurement records in mechanical tests. Under the action of the mounting parts and the clamping parts, different clamps can be configured on the crossbeam 4 and the base 1, which is convenient for testing different test products. The mounting parts can insert and fix the upper clamp 7 on the crossbeam 4 to avoid loosening like the latch-type clamp. The upper clamp 7 is installed with the insert block 14 sliding in the slide groove 13 to prevent the upper clamp 7 from falling off. When the staff installs the upper clamp 7, under the action of the control member, a group of insert blocks 14 are pulled back into the slide groove 13. At this time, the card block 11 on the upper clamp 7 is inserted into the card groove 10 of the connecting block 9. The limit block 16 on the card block 11 will correspond to the arc block 12. After the staff releases the control of the insert block 14, the insert block 14 will slide by the elastic force of the spring, and the insert block 14 will pass through a pair of limit blocks 16 and enter the slot 1 of the arc block 12. 5, the upper clamp 7 is in a fixed state in the connecting block 9, which has the effect of fixing the upper clamp 7. The sliding rod 17 slides in the arc groove 18, so that the sliding rod 17 drives the annular block 19 and the plug block 14 to move. When the staff installs the upper clamp 7, the handle 20 can be pulled to slide a group of plug blocks 14 at the same time, which simplifies the operation of the staff and improves the efficiency of installing the clamp. By rotating the two-way threaded rod 23 to drive a pair of inverted L-shaped plates 24, when the lower clamp 8 is placed on the bottom plate 21, the staff rotates the two-way threaded rod 23, and a pair of inverted L-shaped plates 24 are The L-shaped plates 24 will move toward each other at the same time, and the second limiting block 27 on the inverted L-shaped plate 24 will be inserted into the limiting groove 26 of the square block 25. The transverse plate on the inverted L-shaped plate 24 will form an inverted buckle state on the top of the square block 25, and the second limiting block 27 will limit the lateral movement of the square block 25 in the limiting groove 26, so that the lower clamp 8 can be quickly replaced. The bottom plate 21 can be easily separated from the base 1 by inserting the circular rod 29 into the circular through groove 28, so that the base 1 can be easily cleaned to prevent dust from affecting the measurement results of the equipment.

[0028] Working principle: the output end of the electric cylinder 6 drives the crossbeam 4 to slide on the slide bar 3, so that the crossbeam 4 drives the upper clamp 7 to move. The function of the operating console 2 is to control the electric cylinder and to collect measurement records in mechanical tests. Different clamps can be configured on the crossbeam 4 and the base 1 through the action of the mounting parts and the clamping parts, which is convenient for testing different test products. The mounting parts can insert and fix the upper clamp 7 on the crossbeam 4, which can avoid loosening and falling off like the latch-type clamp, and improve the installation stability of the upper clamp 7. The plug block 14 slides in the slide groove 13. When the staff installs the upper clamp 7, under the action of the control part, a group of plug blocks 14 are pulled back into the slide groove 13. At this time, the card on the upper clamp 7 is The block 11 is inserted into the slot 10 of the connecting block 9, and the limit block 16 on the block 11 will correspond to the arc block 12. After the staff releases the control of the plug block 14, the plug block 14 will slide through the elastic force of the spring, and the plug block 14 will pass through a pair of limit blocks 16 and enter the slot 15 of the arc block 12, so that the upper clamp 7 is in a fixed state on the connecting block 9, which has the effect of fixing the upper clamp 7. The sliding rod 17 slides in the arc groove 18, so that the sliding rod 17 drives the annular block 19 and the plug block 14 to move. When the staff installs the upper clamp 7, the handle 20 can be pulled to slide a group of plug blocks 14 at the same time, which simplifies the operation of the staff and improves the efficiency of installing the clamp. Move a pair of inverted L-shaped plates 24. When the lower fixture 8 is placed on the bottom plate 21, after the staff rotates the bidirectional threaded rod 23, the pair of inverted L-shaped plates 24 will move toward each other at the same time, and the limit block 27 on the inverted L-shaped plate 24 will be inserted into the limit groove 26 of the square block 25. The transverse plate on the inverted L-shaped plate 24 will form an inverted state at the top of the square block 25, and the limit block 27 in the limit groove 26 limits the lateral movement of the square block 25, so that the lower fixture 8 can be quickly replaced. The bottom plate 21 is inserted into the circular through groove 28 through the circular rod 29, which can conveniently separate the bottom plate 21 from the base 1, facilitate cleaning of the base 1, and prevent dust from affecting the measurement results of the equipment. The working principle is driven by the output end of the electric cylinder 6. The crossbeam 4 slides on the slide bar 3, so that the crossbeam 4 drives the upper clamp 7 to move. The function of the operating console 2 is to control the electric cylinder and to collect the measurement records in the mechanical test. Under the action of the mounting parts and the clamping parts, different clamps can be configured on the crossbeam 4 and the base 1, which is convenient for testing different test products. The mounting parts can insert and fix the upper clamp 7 on the crossbeam 4, which can avoid the loosening and falling off of the latch type clamp, and improve the installation stability of the upper clamp 7. The plug block 14 slides in the slide groove 13. When the staff installs the upper clamp 7, under the action of the control part, a group of plug blocks 14 are pulled back into the slide groove 13. At this time, the card block 11 on the upper clamp 7 is inserted into the card groove 10 of the connecting block 9.The limit block 16 on the clamping block 11 will correspond to the arc block 12. After the staff releases the control of the plug block 14, the plug block 14 will slide due to the elastic force of the spring, and the plug block 14 will pass through a pair of limit blocks 16 and enter the slot 15 of the arc block 12, so that the upper clamp 7 is in a fixed state in the connecting block 9, which has the effect of fixing the upper clamp 7. The sliding rod 17 slides in the arc groove 18, so that the sliding rod 17 drives the annular block 19 and the plug block 14 to move. When the staff installs the upper clamp 7, the handle 20 can be pulled to slide a group of plug blocks 14 at the same time, which simplifies the operation of the staff and improves the efficiency of installing the clamp. Move a pair of inverted L-shaped plates 24. When the lower fixture 8 is placed on the bottom plate 21, after the staff rotates the bidirectional threaded rod 23, the pair of inverted L-shaped plates 24 will move toward each other at the same time. The limit block 27 on the inverted L-shaped plate 24 will be inserted into the limit groove 26 of the square block 25. The transverse plate on the inverted L-shaped plate 24 will form an inverted buckle state at the top of the square block 25, and the limit block 27 in the limit groove 26 will limit the lateral movement of the square block 25, so that the lower fixture 8 can be quickly replaced. The bottom plate 21 can be easily separated from the base 1 through the circular rod 29 inserted into the circular through groove 28, which is convenient for cleaning the base 1 and preventing dust from affecting the measurement results of the equipment.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An electronic fatigue testing machine, characterized in that: The invention comprises a base (1) and an operation console (2); a pair of symmetrically distributed sliding rods (3) are fixedly connected to the top of the base (1); the outer circular walls of the pair of sliding rods (3) are slidably connected to a crossbeam (4); a connecting plate (5) is fixedly connected to the top of the pair of sliding rods (3); a pair of electric cylinders (6) are fixedly connected to the bottom of the connecting plate (5); the output end of the electric cylinder (6) is fixedly connected to the top of the crossbeam (4); an upper clamp (7) is provided at the bottom of the crossbeam (4) through a mounting member; and a lower clamp (8) is provided at the base (1) through a clamping member.

2. An electronic fatigue testing machine according to claim 1, characterized in that: The mounting member comprises a connecting block (9); the bottom of the crossbeam (4) is fixedly connected with the connecting block (9); the bottom of the connecting block (9) is provided with a group of clamping grooves (10); the top of the upper clamp (7) is fixedly connected with a group of clamping blocks (11); the clamping grooves (10) match the clamping blocks (11); the outer circular wall of the clamping block (11) is fixedly connected with a group of arc blocks (12); the side wall of the arc block (12) is provided with a slide groove (13); the slide groove The slot wall of the arc block (12) is slidably connected with an insert block (14); a spring is fixedly connected between the insert block (14) and the slide slot (13); a slot (15) is provided on the side wall of the arc block (12); the slot (15) matches the insert block (14); a pair of limit blocks (16) are fixedly connected to the side wall of the clamping block (11); the pair of limit blocks (16) matches the insert block (14); a control component is provided on the top of the arc block (12).

3. An electronic fatigue testing machine according to claim 2, characterized in that: The control member comprises a sliding rod (17); an arc groove (18) is provided at the top of the arc block (12); the arc groove (18) is communicated with the slide groove (13); the groove wall of the arc groove (18) is slidably connected with the sliding rod (17); one end of the sliding rod (17) is fixedly connected to the side wall of the plug block (14); a group of the top ends of the sliding rods (17) are fixedly connected to an annular block (19); and the outer circular wall of the annular block (19) is fixedly connected to a handle (20).

4. The electronic fatigue testing machine according to claim 3, characterized in that: The clamping member comprises a bottom plate (21); the top of the base (1) is provided with a bottom plate (21); the side walls of the bottom plate (21) are fixedly connected with a pair of extension blocks (22); a bidirectional threaded rod (23) is rotatably connected between the pair of extension blocks (22); the outer circular walls of the pair of bidirectional threaded rods (23) are threadedly connected with a pair of symmetrically distributed inverted L-shaped plates (24); the bottom of the lower clamp (8) is fixedly connected with a square block (25); the square block (25) matches with the pair of inverted L-shaped plates (24); the side walls of the square block (25) are provided with limiting grooves (26); the side walls of the inverted L-shaped plates (24) are fixedly connected with a pair of limiting blocks (27); the limiting blocks (27) match with the limiting grooves (26).

5. The electronic fatigue testing machine according to claim 4, characterized in that: A group of circular through grooves (28) are provided on the top of the base (1); a group of circular rods (29) are fixedly connected to the bottom of the base plate (21); and the circular rods (29) match the circular through grooves (28).

6. The electronic fatigue testing machine according to claim 5, characterized in that: The adjacent side walls of a group of the second limiting blocks (27) are all configured as pointed ends.

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