Fatigue testing machine

Abstract

The utility model relates to the technical field of fatigue testing machines, in particular to a fatigue testing machine, which improves the convenience of carrying out fatigue tests on different workpieces, reduces the use limitation and improves the use convenience. Comprising a base and a base, and the base is installed at the top end of the base; the supporting table is rotationally installed on the outer side wall of the base, the driving device is arranged on the base and used for driving the supporting table to rotate, the multiple sets of supporting pieces are all installed on the outer side wall of the top end of the supporting table, grooves are formed in the ends of the multiple sets of supporting pieces, and the multiple sets of supporting pieces are arranged in the grooves. The transverse rods are arranged in the grooves correspondingly, the moving device is arranged at the top end of the base and used for driving one end of the workpiece to move up and down in a reciprocating mode, and the clamping device is arranged on the lower portion of the supporting table and used for fixing the workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fatigue testing machine, in particular to a kind of universal fatigue testing machine. BACKGROUND

[0002] Fatigue testing machine is a kind of precision testing equipment, for testing the fatigue resistance of material, component and equipment under certain load and cycle times, has wide application in multiple fields, including automobile industry, aerospace industry, electronic and electrical industry, material science research, construction engineering, railway transportation and medical instrument etc.

[0003] Such as prior art authorized announcement No.CN206573419U's patent, the utility model discloses a kind of fatigue testing machine, including fatigue testing machine body, the other side of fatigue testing machine body is connected with plug through wire, the top of fatigue testing machine body is equipped with counter, the side of counter is equipped with control panel, the inner wall of both sides of fatigue testing machine body is equipped with guide rail, guide rail is equipped with sliding block, sliding block is provided with saw blade socket, saw blade socket is provided with fastening screw, the inside of sliding block is equipped with servo motor and several mobile wheels, the top inner wall of fatigue testing machine body is equipped with hydraulic cylinder, the bottom of hydraulic cylinder is equipped with hydraulic rod.

[0004] But the equipment is found in use, the equipment is not convenient for fatigue test to different types of workpieces, increase the use of limitation, reduce the convenience of use. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a kind of universal fatigue testing machine for improving the convenience of fatigue test to different workpieces, reducing use limitation, improve the convenience of use.

[0006] The utility model discloses a kind of universal fatigue testing machines, including base and pedestal, pedestal is installed at the top of base;Still including driving device, moving device, clamping device, support table, support piece and cross bar, support table is rotatably installed on the outer wall of pedestal, driving device is provided on pedestal, driving device is used to drive support table to rotate, multiple sets of support piece are all installed on the outer wall on the top of support table, recess is provided at the end of multiple sets of support piece, multiple sets of cross bar are respectively arranged in recess, moving device is set at the top of pedestal, moving device is used to drive the reciprocating movement of the one end of workpiece, clamping device is set in the lower part of support table, and clamping device is used to fix workpiece;When needing to carry out fatigue test to spring workpiece, spring lower part is sleeved on multiple sets of support piece, then moving device limits spring upper part, reciprocating press is carried out to spring by moving device, so that spring carries out fatigue test, by spring lower part being sleeved on cross bar, then spring upper part is positioned by moving device, then reciprocating up and down is pulled to spring by moving device, so that spring carries out fatigue test, driving device drives support table to overturn, so that clamping device moves to the top of support table, then the lower part of workpiece needing to be tested is clamped and fixed by clamping device, then the upper part of workpiece is clamped and fixed by moving device, reciprocating movement is carried out by moving device, so that the workpiece after clamping carries out fatigue test, improve the convenience of fatigue test of different workpieces by testing machine, reduce use limitation.

[0007] Preferably, the moving device includes a power device, a guide column, a top plate, a moving table, a first clamp, and a positioning seat. The bottom end of the guide column is connected to the top end of the pedestal. The top plate is installed at the top end of the guide column. The moving table is slidably installed on the outer sidewall of the guide column. The power device is provided on the top plate and is used to drive the moving table to move up and down. The first clamp is installed at the bottom end of the moving table. The positioning seat is provided on the clamping end of the first clamp. In addition, multiple sets of support pieces are all installed at the bottom end of the positioning seat. The upper part of the spring is sleeved on the multiple sets of support pieces at the lower part of the positioning seat, so as to facilitate the fatigue test of the spring. The upper part of the tension spring is installed on the multiple sets of cross bars above, so as to facilitate the fatigue test of the tension spring. The positioning seat is disassembled by stopping clamping and fixing the positioning seat by the first clamp. The upper part of the workpiece is clamped and fixed by the first clamp, and then the lower part of the workpiece is clamped and fixed by the clamping device, so as to facilitate the fatigue test of workpieces of different shapes and improve the versatility of the testing machine.

[0008] Preferably, the clamping device comprises a guide rail, a housing, a first motor, a second clamp and a first hydraulic cylinder, the guide rail is installed on the outer side wall of the support table, the housing is slidingly installed on the guide rail, the first motor is installed on the inner side wall of the housing, the second clamp is rotatably installed on the outer side wall of the housing, the output end of the first motor is connected with the second clamp, the first hydraulic cylinder is installed on the outer side wall of the support table, and the moving end of the first hydraulic cylinder is connected with the outer side wall of the housing; the lower part of the workpiece is clamped and fixed through the second clamp, so that the two ends of the workpiece are clamped and fixed through cooperation of the second clamp and the first clamp, the lower part of the workpiece is rotated through rotation of the second clamp driven by the first motor, the convenience of the workpiece rotary fatigue test is improved, and the lower part of the workpiece is swung horizontally through the housing moving horizontally and reciprocally driven by the moving end of the first hydraulic cylinder, the convenience of the workpiece swing fatigue test is improved.

[0009] Preferably, the driving device comprises a worm gear, a worm and a second motor, the worm gear is concentrically installed at the end of the support table, the worm is rotatably installed on the outer side wall of the base, the worm is engaged with the worm gear, and the second motor is installed on the outer side wall of the base; the worm is rotated through the second motor, the support table is turned over through the worm gear driven by the worm, and the support table is turned over.

[0010] Preferably, the power device comprises a second hydraulic cylinder, the second hydraulic cylinder is installed at the top end of the top plate, and the moving end of the second hydraulic cylinder is connected with the top end of the moving table; the moving table moves up and down through the second hydraulic cylinder, and the convenience of the fatigue test of different workpieces is improved.

[0011] Preferably, the base is provided with an adjustable foot at the bottom end; the adjustment convenience of horizontally placing the base is improved.

[0012] Preferably, the base is provided with an adjustable foot at the bottom end; the adjustment convenience of horizontally placing the base is improved.

[0013] Compared with the prior art, the utility model has the advantages that when fatigue test is needed for the spring workpiece, the lower part of the spring is sleeved on the plurality of supporting pieces, then the upper part of the spring is positioned by the moving device, the spring is reciprocatingly pressed by the moving device, so that the spring is subjected to fatigue test, the lower part of the tension spring is sleeved on the horizontal rod, then the upper part of the tension spring is positioned by the moving device, then the tension spring is reciprocatingly pulled up and down by the moving device, so that the tension spring is subjected to fatigue test, the support table is turned over up and down by the driving device, the clamping device is moved to the upper side of the support table, then the lower part of the workpiece needing test is clamped and fixed by the clamping device, then the upper part of the workpiece is clamped and fixed by the moving device, the clamped workpiece is subjected to fatigue test through the reciprocating movement of the moving device, the convenience of the fatigue test machine for fatigue test of different workpieces is improved, and the use limitation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the shaft measurement structure schematic diagram of the utility model;

[0015] Figure 2 is the shaft measurement local structure schematic diagram of support table and support piece etc.

[0016] Figure 3 is the side view structure schematic diagram of support piece and positioning seat etc.

[0017] Figure 4 is the shaft measurement local structure schematic diagram of worm and second motor etc.

[0018] Figure 5 is the shaft measurement local structure schematic diagram of support piece and cross bar etc.

[0019] Markings in the drawings: 1, base; 2, pedestal; 3, support table; 4, support piece; 5, cross bar; 6, guide column; 7, top plate; 8, moving table; 9, first clamp; 10, positioning seat; 11, guide rail; 12, shell; 13, first motor; 14, second clamp; 15, first hydraulic cylinder; 16, worm wheel; 17, worm; 18, second motor; 19, second hydraulic cylinder; 20, linear bearing. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] As Figures 1 to 5 shown, a kind of universal fatigue testing machine of the utility model, including base 1 and pedestal 2, pedestal 2 is installed at the top of base 1;It further includes driving device, moving device, clamping device, support table 3, support piece 4 and cross bar 5, support table 3 is rotatably installed on the outer side wall of pedestal 2, driving device is provided on pedestal 2, and driving device is used to drive support table 3 to rotate, and multiple sets of support piece 4 are rotatably installed on the outer side wall of support table 3 top end, the end of multiple sets of support piece 4 is provided with recess, and multiple sets of cross bar 5 are arranged in recess respectively, moving device is arranged at the top of pedestal 2, and moving device is used to drive the up-and-down reciprocating movement of one end of workpiece, clamping device is arranged in the lower part of support table 3, and clamping device is used to fix workpiece;

[0023] As Figure 3As shown, the moving device includes a power unit, a guide column 6, a top plate 7, a moving platform 8, a first clamp 9, and a positioning seat 10. The bottom end of the guide column 6 is connected to the top end of the base 2. The top plate 7 is installed on the top end of the guide column 6. The moving platform 8 is slidably installed on the outer wall of the guide column 6. The power unit is provided on the top plate 7. The power unit is used to drive the moving platform 8 to move up and down. The first clamp 9 is installed on the bottom end of the moving platform 8. The positioning seat 10 is set on the clamping end of the first clamp 9. In addition, multiple sets of support members 4 are installed on the bottom end of the positioning seat 10.

[0024] In this embodiment, when a fatigue test is required on a spring workpiece, the lower part of the spring is fitted onto multiple sets of support members 4. Then, the moving device limits the upper part of the spring. The moving device presses the spring back and forth to conduct a fatigue test. Similarly, the lower part of the tension spring is fitted onto the crossbar 5, and the upper part of the tension spring is positioned by the moving device. The moving device then pulls the tension spring up and down repeatedly to conduct a fatigue test. The drive device rotates the support platform 3 up and down, moving the clamping device above the support platform 3. The clamping device then clamps and fixes the lower part of the workpiece to be tested. The moving device clamps and fixes the upper part of the workpiece. The moving device moves the workpiece up and down repeatedly to conduct a fatigue test. This improves the convenience of the testing machine for fatigue testing different workpieces and reduces limitations in its use.

[0025] Example 2

[0026] Based on Example 1, such as Figure 4 As shown, this utility model discloses a universal fatigue testing machine. The clamping device includes a guide rail 11, a housing 12, a first motor 13, a second clamp 14, and a first hydraulic cylinder 15. The guide rail 11 is installed on the outer wall of the support platform 3, the housing 12 is slidably installed on the guide rail 11, the first motor 13 is installed on the inner wall of the housing 12, the second clamp 14 is rotatably installed on the outer wall of the housing 12, the output end of the first motor 13 is connected to the second clamp 14, and the first hydraulic cylinder 15 is installed on the outer wall of the support platform 3. The moving end of the first hydraulic cylinder 15 is connected to the outer wall of the housing 12.

[0027] like Figure 4 As shown, the drive device includes a worm gear 16, a worm 17, and a second motor 18. The worm gear 16 is concentrically mounted at the end of the support platform 3. The worm 17 is rotatably mounted on the outer wall of the base 2 and meshes with the worm gear 16. The second motor 18 is mounted on the outer wall of the base 2 and the output end of the second motor 18 is connected to the worm 17.

[0028] like Figure 3 As shown, the power unit includes a second hydraulic cylinder 19, which is mounted on the top of the top plate 7, and the moving end of the second hydraulic cylinder 19 is connected to the top of the moving platform 8.

[0029] As Figure 1 shown, further comprising linear bearing 20, linear bearing 20 is installed on the outer wall of moving platform 8, and linear bearing 20 is slidingly installed on multiple sets of guide columns 6;

[0030] As Figure 1 shown, the bottom end of base 1 is provided with adjustable feet;

[0031] In the embodiment, the upper part of the spring is sleeved on the multiple sets of supporting pieces 4 of the lower part of the positioning seat 10, so that the fatigue test of the spring is facilitated, the upper part of the tension spring is installed on the multiple sets of horizontal rods 5 above, so that the fatigue test of the tension spring is facilitated, the positioning seat 10 is stopped clamped and fixed by the first clamp 9, the positioning seat 10 is disassembled, the upper part of the workpiece is clamped and fixed by the first clamp 9, and then the lower part of the workpiece is clamped and fixed by the clamping device, so that the fatigue test of the workpiece with different shapes is facilitated, the versatility of the testing machine is improved, the lower part of the workpiece is rotated by the second clamp 14, so that the two ends of the workpiece are clamped and fixed by the cooperation of the second clamp 14 and the first clamp 9, the first motor 13 drives the second clamp 14 to rotate, so that the lower part of the workpiece is rotated by the second clamp 14, and the convenience of the workpiece rotation fatigue test is improved, and the shell 12 is moved horizontally reciprocatingly by the moving end of the first hydraulic cylinder 15, so that the lower part of the workpiece is swung horizontally by the second clamp 14, and the convenience of the workpiece swing fatigue test is improved.

[0032] The universal fatigue testing machine of the utility model, when the spring workpiece needs to be subjected to fatigue test, the lower part of the spring is sleeved on the multiple sets of supporting pieces 4, then the upper part of the spring is limited by the moving device, the spring is reciprocatingly pressed by the moving device, so that the spring is subjected to fatigue test, the lower part of the tension spring is sleeved on the horizontal rod 5, then the upper part of the tension spring is positioned by the moving device, then the tension spring is reciprocatingly pulled up and down by the moving device, so that the tension spring is subjected to fatigue test, the support table 3 is turned up and down by the driving device, so that the clamping device moves to the upper side of the support table 3, then the lower part of the workpiece needing to be tested is clamped and fixed by the clamping device, then the upper part of the workpiece is clamped and fixed by the moving device, and the clamped workpiece is subjected to fatigue test by the reciprocating movement of the moving device.

[0033] The first clamp 9, the first motor 13, the first hydraulic cylinder 15, the second motor 18 and the second hydraulic cylinder 19 of the universal fatigue testing machine of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0034] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A fatigue testing machine comprising a base (1) and a base (2) mounted at the top end of the base (1); characterized in that, The utility model also includes driving device, moving device, clamping device, support table (3), support (4) and cross bar (5), support table (3) is rotatably installed on the outer wall of base (2), driving device is arranged on base (2), and driving device is used to drive support table (3) to rotate, a plurality of groups of support (4) are all installed on the outer wall of support table (3) top end, a plurality of groups of support (4) are provided with recess on end, a plurality of groups of cross bar (5) are arranged in recess respectively, moving device is arranged on the top end of base (2), and moving device is used to drive the up-and-down reciprocating movement of one end of workpiece, clamping device is arranged in the lower part of support table (3), and clamping device is used to fix workpiece.

2. A fatigue testing machine as claimed in claim 1, characterized in that The moving device includes power device, guide column (6), top plate (7), moving table (8), first clamp (9) and positioning seat (10), the bottom end of the guide column (6) is connected with the top end of the base (2), the top plate (7) is installed on the top end of the guide column (6), the moving table (8) is slidably installed on the outer side wall of the guide column (6), the power device is arranged on the top plate (7), the power device is used to drive the up-and-down movement of the moving table (8), the first clamp (9) is installed on the bottom end of the moving table (8), and the positioning seat (10) is arranged on the clamping end of the first clamp (9). In addition, a plurality of groups of support (4) are all installed on the bottom end of the positioning seat (10).

3. A fatigue testing machine as claimed in claim 1, wherein The clamping device includes guide rail (11), shell (12), first motor (13), second clamp (14) and first hydraulic cylinder (15), the guide rail (11) is installed on the outer side wall of the support table (3), the shell (12) is slidably installed on the guide rail (11), the first motor (13) is installed on the inner side wall of the shell (12), the second clamp (14) is rotatably installed on the outer side wall of the shell (12), the output end of the first motor (13) is connected with the second clamp (14), and the first hydraulic cylinder (15) is installed on the outer side wall of the support table (3). The moving end of the first hydraulic cylinder (15) is connected with the outer side wall of the shell (12).

4. A fatigue testing machine as claimed in claim 1, wherein The driving device includes worm gear (16), worm (17) and second motor (18), the worm gear (16) is concentrically installed on the end of the support table (3), the worm (17) is rotatably installed on the outer side wall of the base (2), the worm (17) is engaged with the worm gear (16), and the second motor (18) is installed on the outer side wall of the base (2). The output end of the second motor (18) is connected with the worm (17).

5. A fatigue testing machine as claimed in claim 2, wherein The power device includes second hydraulic cylinder (19), the second hydraulic cylinder (19) is installed on the top end of the top plate (7), and the moving end of the second hydraulic cylinder (19) is connected with the top end of the moving table (8).

6. A fatigue testing machine as claimed in claim 2, wherein It also includes linear bearing (20), the linear bearing (20) is installed on the outer side wall of the moving table (8), and the linear bearing (20) is slidably installed on a plurality of guide columns (6).

7. A fatigue testing machine as claimed in claim 1, wherein The bottom end of the base (1) is provided with adjustable feet.

Images