CN220893994U - Safety structure of microcomputer controlled electrohydraulic servo universal tester - Google Patents
Safety structure of microcomputer controlled electrohydraulic servo universal tester Download PDFInfo
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- CN220893994U CN220893994U CN202322665356.4U CN202322665356U CN220893994U CN 220893994 U CN220893994 U CN 220893994U CN 202322665356 U CN202322665356 U CN 202322665356U CN 220893994 U CN220893994 U CN 220893994U
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- 238000012360 testing method Methods 0.000 claims abstract description 17
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- 239000007788 liquid Substances 0.000 claims 1
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004154 testing of material Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
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- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a safety structure of a microcomputer controlled electrohydraulic servo universal tester, which belongs to the technical field of material testing equipment and comprises a power chamber, wherein a threaded column is fixedly connected to the top of the power chamber, a lower clamp is connected to the outer wall of the threaded column in a threaded manner, a connecting seat is fixedly connected to the bottom of the lower clamp, a connecting rod is hinged to the lower clamp through the connecting seat, a sliding block is rotatably connected to one end of the connecting rod, which is far away from the connecting seat, a sliding rod is slidingly connected to the inner wall of the sliding block, a fixing block is fixedly connected to one end of the sliding rod, and a buffer spring is fixedly connected to the outer wall of one side, which is close to the sliding block, of the fixing block. The safety structure of the microcomputer control electro-hydraulic servo universal testing machine is beneficial to slowing down the impact force generated when the clamp falls down through the cooperation of the connecting seat, the connecting rod, the sliding block, the sliding rod, the fixing block, the buffer spring and the bottom plate, and avoids overlarge impact force generated when the clamp falls down, thereby avoiding equipment damage caused by falling down of the clamp, and further reducing the production efficiency.
Description
Technical Field
The utility model belongs to the technical field of material testing equipment, and particularly relates to a safety structure of a microcomputer-controlled electrohydraulic servo universal testing machine.
Background
The electrohydraulic servo universal tester is one kind of equipment for testing material and workpiece performance, and includes stretching, compressing, twisting, bending and other mechanical performance testing. However, when using an electrohydraulic servo universal tester, the upper and lower clamps of the workpiece may be out of control in the testing process, so that the clamps fall and hit the equipment base, thereby causing potential safety hazards and possible equipment damage;
Through investigation publication (bulletin) number: CN215374803U discloses a microcomputer controlled electrohydraulic servo universal testing machine, this technology discloses a "comprising a portal frame, a base and a chassis, wherein, a portal frame is installed on one side of the top of the base, two groups of air dryers are installed on two sides of the outside of the portal frame, two groups of threaded rods are installed in the inside of the portal frame through bearings, two groups of limit pieces are sleeved outside the threaded rods, a movable frame is movably installed in the inside of the portal frame through threaded rods and threaded sleeves, two groups of oil supplementing tanks are installed on two sides of the top of the movable frame, a power box is installed at the bottom of the portal frame, a servo controller is installed at the top of the inside of the power box, and the like, which has the technical proposal that the electrified operation of the air dryers is utilized, thus preventing the components in the portal frame from being wetted and rusted during rainy seasons, avoiding the problems of abrasion, scratch and the like of internal parts of the device, guaranteeing the testing precision of the device, reducing the maintenance difficulty of the device, prolonging the service life and the like;
However, in the above-mentioned comparison document, after the test part is positioned by two clamps, one of the clamps moves in a direction away from the test part, and then a tensile test is performed on the part, wherein in the process of moving one of the clamps, one of the clamps moves in a manner of rotating the threaded column, after long-time use, the engagement between the threaded column and the clamp is worn, which may cause the threaded connection to lose the original firmness, so that the clamp is very easy to generate out-of-control and falling events in the test process, thereby causing damage to equipment and injury to personnel;
In order to solve the problems, the application provides a safety structure of a microcomputer-controlled electrohydraulic servo universal testing machine.
Disclosure of utility model
Aiming at the problems in the related art, the utility model provides a safety structure of a microcomputer-controlled electro-hydraulic servo universal testing machine, so as to overcome the technical problems existing in the prior related art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a safety structure of servo universal testing machine of microcomputer control electrohydraulic, includes the power room, the top fixedly connected with screw thread post of power room, the outer wall threaded connection of screw thread post has lower anchor clamps, the bottom fixedly connected with connecting seat of lower anchor clamps, lower anchor clamps articulates there is the connecting rod through the connecting seat, the one end that the connecting seat was kept away from to the connecting rod rotates and is connected with the slider, the inner wall sliding connection of slider has the slide bar, the one end fixedly connected with fixed block of slide bar, one side outer wall fixedly connected with buffer spring that the fixed block is close to the slider, the one end and the slider fixedly connected with of fixed block are kept away from to buffer spring, the bottom fixedly connected with bottom plate of fixed block.
Preferably, the bottom of the bottom plate is fixedly connected with a rubber pad, and the rubber pad is arranged, so that impact force generated by falling of the bottom plate can be counteracted when the bottom plate contacts the top wall of the power chamber.
Preferably, the top fixedly connected with spacing post of power room, the outer wall sliding connection of spacing post has the anti-falling sleeve, through setting up the anti-falling sleeve, is convenient for provide the support for last anchor clamps when last anchor clamps drop, carries out the separation to the last anchor clamps of drop simultaneously.
Preferably, the inner wall and the spacing post sliding connection of anchor clamps down, the one end outer wall fixedly connected with anchor clamps down are kept away from to the slide bar, the bottom fixedly connected with latch block of going up the anchor clamps, through setting up the latch block, in being convenient for insert the anti-falling sleeve when last anchor clamps fall, increase the frictional force between anti-falling sleeve and the spacing post.
Preferably, the T-shaped groove is formed in the top of the anti-falling sleeve, the anti-falling sleeve is fixedly connected with a reset spring through the T-shaped groove, and the plug block conveniently falls along with the lower clamp and is inserted into the anti-falling sleeve through the T-shaped groove when the lower clamp falls through the T-shaped groove.
Preferably, the one end fixedly connected with that reset spring kept away from T type groove outer wall prevents weighing down the piece, through setting up preventing weighing down the piece, when the latch block inserts in preventing weighing down the sleeve, the latch block is contradicted with preventing weighing down the piece, and at this moment, prevents weighing down the piece and removes towards spacing post under the effect of latch block, extrudees spacing post, increases the frictional force between preventing weighing down sleeve and the spacing post, slows down the whereabouts of going up anchor clamps.
Preferably, the top fixedly connected with protection casing of power room, one side outer wall intercommunication of power room has the control platform, through setting up the protection casing, the staff of being convenient for can closely observe the change of work piece when the test, is favorable to the staff to take notes accurate data.
In summary, the technical effects and advantages of the present utility model are: the safety structure of the microcomputer control electro-hydraulic servo universal testing machine is beneficial to slowing down the impact force generated when the clamp falls down through the cooperation of the connecting seat, the connecting rod, the sliding block, the sliding rod, the fixing block, the buffer spring and the bottom plate, and avoids overlarge impact force generated when the clamp falls down, thereby avoiding equipment damage caused by falling down of the clamp, and further reducing the production efficiency.
Through anti-falling sleeve, latch block, T type groove, reset spring, anti-falling block, be convenient for when falling down at last anchor clamps damage, carry out spacing support to last anchor clamps to avoid going up anchor clamps and violently falling down and cause last anchor clamps and lower anchor clamps on hydraulic system and anchor clamps damage that set up.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lower fixture and related parts of the present utility model;
FIG. 3 is a schematic view of the structure of the connecting rod and related parts of the present utility model;
FIG. 4 is a schematic view of the structure of the anti-falling sleeve and related parts according to the present utility model;
FIG. 5 is a schematic view of the structure of the return spring and related parts of the present utility model.
In the figure:
1. A power chamber; 2. a threaded column; 3. a lower clamp; 4. a connecting seat; 5. a connecting rod; 6. a slide block; 7. a slide bar; 8. a fixed block; 9. a buffer spring; 10. a bottom plate; 11. a rubber pad; 12. a limit column; 13. a clamp is arranged; 14. an anti-falling sleeve; 15. a latch block; 16. a T-shaped groove; 17. a return spring; 18. an anti-falling block; 19. a protective cover; 20. a console.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to figures 1-3, the safety structure of the microcomputer controlled electrohydraulic servo universal tester comprises a power chamber 1, wherein the top of the power chamber 1 is fixedly connected with threaded columns 2, two threaded columns 2 are arranged at the centers of two ends of the top of the power chamber 1 respectively, the outer walls of the two threaded columns 2 are connected with a lower clamp 3 in a threaded manner, the two threaded columns 2 are respectively arranged at two ends of the lower clamp 3, the bottom of the lower clamp 3 is fixedly connected with a connecting seat 4, the connecting seat 4 is arranged at the center of one side of the bottom of the lower clamp 3, the lower clamp 3 is hinged with a connecting rod 5 through the connecting seat 4, one end of the connecting rod 5 away from the connecting seat 4 is rotationally connected with a sliding block 6, the inner wall of the sliding block 6 is slidingly connected with a sliding rod 7, one end of the sliding rod 7 is fixedly connected with two fixing blocks 8, the two fixing blocks 8 are respectively positioned at two ends of the sliding rod 7, a buffer spring 9 is fixedly connected to the outer wall of one side, close to the sliding block 6, of the fixing block 8, the buffer spring 9 is wound on the outer wall of the sliding rod 7, the outer wall of the buffer spring 9 is not contacted with the outer wall of the sliding rod 7, one end, away from the fixing block 8, of the buffer spring 9 is fixedly connected with the sliding block 6, the bottom of the fixing block 8 is fixedly connected with a bottom plate 10, and two connecting seats 4, connecting rods 5, sliding blocks 6, sliding rods 7, fixing blocks 8 and buffer springs 9 are symmetrically distributed by the central axis of the bottom plate 10;
When in use, if the workpiece to be tested breaks suddenly in the testing process, the lower clamp 3 is stressed to drop to drive the bottom plate 10 to move downwards, when the bottom plate 10 contacts the top of the power chamber 1, the falling is stopped, at the moment, as the lower clamp 3 is supported by no support, the falling can continue, when the lower clamp 3 falls down, the connecting rods 5 are pushed to move downwards, at the moment, the two connecting rods 5 of the connecting rods 5 move towards opposite directions respectively, the two sliding blocks 6 are pushed to move, and due to the fact that the buffer springs 9 are fixedly connected between the sliding blocks 6 and the fixed blocks 8, when the sliding blocks 6 move towards the fixed blocks 8, the buffer springs 9 can squeeze the buffer springs 9, and at the moment, the force generated by the falling of the lower clamp 3 is absorbed and counteracted, so that the falling speed of the lower clamp 3 is slowed down, and the equipment damage caused by the falling of the lower clamp 3 is avoided.
Referring to fig. 3, the top fixedly connected with spacing post 12 of power room 1, spacing post 12 is provided with four, four spacing posts 12 are located the top four corners department of power room 1 respectively, the bottom fixedly connected with rubber pad 11 of bottom plate 10, rubber pad 11 is provided with four, four rubber pads 11 are located the bottom four corners department of bottom plate 10 respectively, rubber pad 11 adopts the rubber material, when bottom plate 10 follows down anchor clamps 3 whereabouts and contacts power room 1 top, by the preceding contact power room 1 of four rubber pads 11 to offset the power that the bottom plate 10 whereabouts produced, play the cushioning effect, reduce the power that the bottom plate 10 whereabouts produced.
Referring to fig. 4 and 5, the inner wall of the lower clamp 3 is slidably connected with the limit post 12, an outer wall of one end of the slide bar 7, which is far away from the lower clamp 3, is fixedly connected with the upper clamp 13, and when the slide bar 7 rotates, the lower clamp 3 moves towards a direction far away from the upper clamp 13, so that a tensile test is performed on a workpiece, a plug block 15 is fixedly connected with the bottom of the upper clamp 13, the plug block 15 is positioned around the limit post 12, and the thickness of the plug block 15 gradually decreases from top to bottom.
Referring to fig. 4 and 5, the outer wall of the limiting post 12 is slidably connected with anti-falling sleeves 14, the anti-falling sleeves 14 are four, the four anti-falling sleeves 14 are all located below the upper clamp 13, and the cross section of each anti-falling sleeve 14 is trapezoidal.
Referring to fig. 5, the top of the anti-falling sleeve 14 is provided with T-shaped grooves 16, a single anti-falling sleeve 14 is provided with four T-shaped grooves 16, the four T-shaped grooves 16 are uniformly distributed on the single anti-falling sleeve 14 in a circumferential array, the anti-falling sleeve 14 is fixedly connected with reset springs 17 through the T-shaped grooves 16, the reset springs 17 in the single anti-falling sleeve 14 are four, and the reset springs 17 are located in the T-shaped grooves 16.
Referring to fig. 5, one end of the reset spring 17, which is far away from the outer wall of the T-shaped groove 16, is fixedly connected with an anti-falling block 18, the outer side wall of one side of the anti-falling block 18, which is close to the limiting post 12, is matched with the outer side wall of the limiting post 12, an inclined angle is arranged on the outer side wall of one side, which is far away from the limiting post 12, of the anti-falling block 18, and is matched with one side shape of the bolt block 15, when the bolt block 15 moves downwards to abut against the anti-falling block 18, the bolt block 15 pushes the anti-falling block 18 towards the direction of the limiting post 12, and at the moment, the anti-falling block 18 extrudes the limiting post 12 under the thrust action generated by the bolt block 15, so that the friction force between the anti-falling sleeve 14 and the limiting post 12 is increased, and the falling upper clamp 13 is blocked.
Referring to fig. 1, the top fixedly connected with protection casing 19 of power room 1, protection casing 19 are the ya keli material, are convenient for when work piece fracture splash, separate cracked work piece, avoid the work piece injury staff's that splashes personal safety, and the ya keli material is transparent material simultaneously, and the change of work piece in the side view can be closely observed to the staff, and the one side outer wall intercommunication of power room 1 has control platform 20.
Working principle: when the lower clamp 3 falls down, the bottom plate 10 is pushed to move towards the direction close to the power chamber 1, when the bottom plate 10 contacts the power chamber 1, the bottom plate 10 is buffered by the rubber pad 11 fixedly connected with the bottom of the bottom plate 10, as the bottom plate 10 is abutted against the top of the power chamber 1, when the lower clamp 3 continues to fall down, the two connecting rods 5 are pushed to move towards opposite directions respectively, at the moment, the distance between the two connecting rods 5 is further and further increased, meanwhile, when the two connecting rods 5 move towards opposite directions, the two buffer springs 9 are pushed and extruded, the impact force generated by the falling of the lower clamp 3 is absorbed by the two buffer springs 9, the lower clamp 3 is prevented from falling to the top of the power chamber 1 directly, thereby avoid equipment damage, when last anchor clamps 13 drop, owing to go up anchor clamps 13 bottom and be provided with a plurality of latch blocks 15, and one side of latch block 15 is provided with inclination, latch block 15 can follow and go up anchor clamps 13 and drop in step, when latch block 15 inserts and establish in the T type groove 16, latch block 15 contradicts with anti-drop piece 18, along with last anchor clamps 13 continuous whereabouts, latch block 15 can promote anti-drop piece 18 towards the direction of spacing post 12, thereby make the frictional force between anti-drop piece 18 and the spacing post 12 increase gradually, when the frictional force between spacing post 12 and anti-drop piece 18 reaches certain degree, anti-drop sleeve 14 stops, thereby avoid going up anchor clamps 13 to fall.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a safety structure of servo universal testing machine of microcomputer control electricity liquid, includes power room (1), a serial communication port, the top fixedly connected with screw thread post (2) of power room (1), the outer wall threaded connection of screw thread post (2) has anchor clamps (3) down, the bottom fixedly connected with connecting seat (4) of anchor clamps (3) down, anchor clamps (3) are articulated to have connecting rod (5) through connecting seat (4), connecting rod (5) are kept away from the one end rotation of connecting seat (4) and are connected with slider (6), the inner wall sliding connection of slider (6) has slide bar (7), one end fixedly connected with fixed block (8) of slide bar (7), one side outer wall fixedly connected with buffer spring (9) that one side that fixed block (8) is close to slider (6), one end and slider (6) fixedly connected with of fixed block (8) are kept away from to buffer spring (9), bottom fixedly connected with bottom plate (10) of fixed block (8).
2. The safety structure of the microcomputer controlled electrohydraulic servo universal tester according to claim 1, wherein a rubber pad (11) is fixedly connected to the bottom of the bottom plate (10).
3. The safety structure of the microcomputer controlled electrohydraulic servo universal tester according to claim 1, wherein a limit post (12) is fixedly connected to the top of the power chamber (1), and an anti-falling sleeve (14) is slidably connected to the outer wall of the limit post (12).
4. The safety structure of the microcomputer controlled electrohydraulic servo universal tester according to claim 3, wherein the inner wall of the lower clamp (3) is slidably connected with the limit column (12), an outer wall of one end of the slide bar (7) far away from the lower clamp (3) is fixedly connected with an upper clamp (13), and the bottom of the upper clamp (13) is fixedly connected with a bolt block (15).
5. The safety structure of the microcomputer controlled electrohydraulic servo universal tester according to claim 3, wherein a T-shaped groove (16) is formed at the top of the anti-falling sleeve (14), and the anti-falling sleeve (14) is fixedly connected with a reset spring (17) through the T-shaped groove (16).
6. The safety structure of the microcomputer controlled electrohydraulic servo universal tester according to claim 5, wherein one end of the return spring (17) far away from the outer wall of the T-shaped groove (16) is fixedly connected with an anti-falling block (18).
7. The safety structure of the microcomputer controlled electrohydraulic servo universal tester according to claim 1, wherein a protective cover (19) is fixedly connected to the top of the power chamber (1), and an operating table (20) is communicated with the outer wall of one side of the power chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322665356.4U CN220893994U (en) | 2023-10-07 | 2023-10-07 | Safety structure of microcomputer controlled electrohydraulic servo universal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322665356.4U CN220893994U (en) | 2023-10-07 | 2023-10-07 | Safety structure of microcomputer controlled electrohydraulic servo universal tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220893994U true CN220893994U (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322665356.4U Active CN220893994U (en) | 2023-10-07 | 2023-10-07 | Safety structure of microcomputer controlled electrohydraulic servo universal tester |
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| Country | Link |
|---|---|
| CN (1) | CN220893994U (en) |
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2023
- 2023-10-07 CN CN202322665356.4U patent/CN220893994U/en active Active
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