CN214472451U

CN214472451U - Metal material impact test platform

Info

Publication number: CN214472451U
Application number: CN202120570138.0U
Authority: CN
Inventors: 陈剑; 何淑贞; 高超; 高兴
Original assignee: Shenzhen Jingheng Engineering Inspection Co ltd
Current assignee: Shenzhen Jingheng Engineering Inspection Co ltd
Priority date: 2021-03-21
Filing date: 2021-03-21
Publication date: 2021-10-22
Anticipated expiration: 2031-03-21

Abstract

The utility model discloses a metal material impact test stand, including the impact platform, the top of impact platform fixedly connected with two support columns that keep away from, two the top fixedly connected with one and the same roof of support column, the roof is hollow structure, the bottom outer wall of roof rotates and is connected with first pivot, the outer wall of first pivot has wire rope around, the outer wall fixed cover of first pivot is equipped with first gear, wire rope's one end fixedly connected with lifter plate; the utility model discloses simple structure, convenient to use can guarantee through two-way threaded rod at fixed stability, guarantees that test material can not remove when experimental, can make through the buffer board and make the impact head can cushion when test material splits to guarantee that impact platform can not bump with the impact head, can make the impact head rise automatically through the motor, improve work efficiency.

Description

Metal material impact test platform

Technical Field

The utility model relates to an impact test technical field especially relates to a metal material impact test platform.

Background

The impact test is a test for researching the dynamic load resistance of the material, and is different from the static load action, because the loading speed is high, the stress in the material is suddenly improved, and the deformation speed influences the mechanism property of the material, the material shows another reaction to the dynamic load action. The material with good plasticity performance under static load can show brittleness under impact load, and in addition, in the impact test of the metal material, the influence of certain structural characteristics and working conditions on mechanical performance, which are not easy to find, can be disclosed during the static load, so that the material has certain significance in process analysis comparison and scientific research, and an impact test bench is required to be used for testing during the impact test.

The existing impact test bed usually fails to be tested due to unstable fixation when in use, and the impact head is required to be manually lifted during testing, so that the operation is too complicated, and the working efficiency is not high, so that the metal material impact test bed is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a metal material impact test stand.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a metal material impact test stand comprises an impact platform, wherein the top of the impact platform is fixedly connected with two far-away supporting columns, the tops of the two supporting columns are fixedly connected with the same top plate, the top plate is of a hollow structure, the bottom outer wall of the top plate is rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is wound with a steel wire rope, the outer wall of the first rotating shaft is fixedly sleeved with a first gear, one end of the steel wire rope is fixedly connected with a lifting plate, the bottom of the lifting plate is fixedly connected with an impact head, the top of the lifting plate is fixedly connected with two far-away placing rods, the outer wall of each placing rod is sleeved with two balancing weights, a lifting assembly for lifting the lifting plate is arranged inside the top plate, the top of the impact platform is fixedly connected with two far-away fixed boxes, and the tops of the two fixed boxes are both of an open structure, the inside of fixed case is provided with the fixed subassembly of fixed metal material, the top of strikeing the platform is provided with the buffering subassembly that makes the head of strikeing cushion.

Preferably, the lifting unit includes roof top outer wall fixed connection's pneumatic cylinder, the piston rod of pneumatic cylinder runs through roof and fixedly connected with U-shaped plate, the bottom of roof is all run through at the both ends of U-shaped plate, one side inner wall fixedly connected with motor of U-shaped plate, the output shaft fixedly connected with second pivot of motor, the other end of second pivot is connected with one side inner wall rotation of U-shaped plate, the fixed cover of outer wall of second pivot is equipped with the second gear, second gear and first gear engagement.

Preferably, the fixed subassembly includes that one side of fixed case rotates the two-way threaded rod of connecting, the outer wall threaded connection of two-way threaded rod has two nut plates that keep away from mutually, two one side of nut plate all extends to the top outside of fixed case, the fixed slide rail that inlays of bottom inner wall of fixed case, the top sliding connection of slide rail has two second sliders that keep away from mutually, two the top of second slider respectively with the bottom fixed connection of two nut plates.

Preferably, the buffer assembly comprises a buffer groove formed in the top of the impact platform, a spring is fixedly connected to the inner wall of the bottom of the buffer groove, a buffer plate is fixedly connected to the top of the spring, two fixing rods far away from each other are fixedly connected to the inner wall of the bottom of the buffer groove, a third slider is slidably sleeved on the outer wall of each fixing rod, and one side, close to each other, of each third slider is fixedly connected to one side, far away from each buffer plate, of each third slider.

Preferably, the top inner wall and the bottom inner wall of the top plate are fixedly connected with two first away slide bars, the outer wall of each first slide bar is slidably sleeved with a first slide block, and one side, close to each first slide block, of each first slide block is fixedly connected with the two sides of the U-shaped plate respectively.

Preferably, the top of the impact platform is fixedly connected with two second slide bars which are far away from each other, the top ends of the two second slide bars are respectively and fixedly connected with the outer wall of the bottom of the top plate, and the outer wall of one side of each of the two second slide bars is respectively and slidably connected with the two sides of the top of the lifting plate in a penetrating manner.

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

1. the utility model discloses in, make two nut plates be close to through rotating two-way threaded rod, the nut plate can slide on the slide rail through the second slider when removing to make two nut plates press from both sides tight test material.

2. In the utility model, the U-shaped plate is driven to rise by starting the hydraulic cylinder, the U-shaped plate can slide on the first slide bar by the first slider when moving, the U-shaped plate can drive the motor to move when moving, the U-shaped plate can drive the second rotating shaft to move when moving, the second rotating shaft can drive the second gear to move when moving, thereby separating the second gear from the first gear, at the moment, the lifting plate can descend by the gravity of the impact head and the balancing weight, the lifting plate can slide on the second slide bar when moving, the lifting plate can drive the steel wire rope to wind on the first rotating shaft when moving, thereby rotating the first rotating shaft, at the moment, the impact head can collide with the test material, when the test material is broken, the impact head can collide with the buffer plate at the moment, the buffer plate can slide on the fixed bar by the third slider when moving, the buffer plate compresses the spring when moving, thereby buffering the impact head.

3. The utility model discloses in, it removes to drive the U-shaped board through starting the pneumatic cylinder, thereby make second gear and first gear engagement, the starter motor drives the second pivot this moment and rotates, the second pivot can drive the second gear when rotatory and rotate, the second gear can drive first gear when rotatory and rotate, first gear can drive first pivot when rotatory and rotate, first pivot can make wire rope wind on the outer wall of first pivot when rotatory, first pivot can stimulate the lifter plate to remove when establishing, thereby it gets back to the normal position to drive the impact head.

The utility model discloses simple structure, convenient to use can guarantee at fixed stability through the two-way threaded rod, guarantees that test material can not remove when experimental, can make through the buffer board and make the impact head can cushion when test material splits to guarantee that impact platform can not collide with the impact head, can make the impact head can rise automatically through the motor, improve work efficiency, can place the balancing weight through placing the pole, thereby the gravity of control lifter plate makes the experiment become more accurate.

Drawings

Fig. 1 is a schematic front view of a metal material impact test bed provided by the present invention;

fig. 2 is a schematic cross-sectional structural view of fig. 1 of a metal material impact testing stand provided by the present invention;

fig. 3 is the utility model provides a fixed case of metal material impact test platform looks sideways at sectional structure schematic diagram.

In the figure: 1. an impact platform; 2. a support pillar; 3. a top plate; 4. a first rotating shaft; 5. a wire rope; 6. a first gear; 7. a lifting plate; 8. an impact head; 9. a balancing weight; 10. placing a rod; 11. a hydraulic cylinder; 12. a U-shaped plate; 13. a motor; 14. a second rotating shaft; 15. a second gear; 16. a first slider; 17. a first slide bar; 18. a second slide bar; 19. a fixed box; 20. a bidirectional threaded rod; 21. a nut plate; 22. a slide rail; 23. a second slider; 24. a buffer tank; 25. a spring; 26. a buffer plate; 27. fixing the rod; 28. and a third slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a metal material impact test bed comprises an impact platform 1, the top of the impact platform 1 is fixedly connected with two far-away supporting columns 2, the tops of the two supporting columns 2 are fixedly connected with a same top plate 3, the top plate 3 is of a hollow structure, the outer wall of the bottom of the top plate 3 is rotatably connected with a first rotating shaft 4, the outer wall of the first rotating shaft 4 is surrounded by a steel wire rope 5, the outer wall of the first rotating shaft 4 is fixedly sleeved with a first gear 6, one end of the steel wire rope 5 is fixedly connected with a lifting plate 7, the bottom of the lifting plate 7 is fixedly connected with an impact head 8, the top of the lifting plate 7 is fixedly connected with two far-away placing rods 10, the outer wall of the placing rods 10 is sleeved with two balancing weights 9, a lifting assembly for lifting the lifting plate 7 is arranged inside the top plate 3, and two far-away fixing boxes 19 are fixedly connected with the top of the impact platform 1, and the tops of the two fixed boxes 19 are both of an open structure, a fixed component for fixing a metal material is arranged in each fixed box 19, and a buffer component for buffering the impact head 8 is arranged at the top of the impact platform 1.

Example two

The embodiment is improved on the basis of the first embodiment: the lifting assembly comprises a hydraulic cylinder 11 fixedly connected with the outer wall of the top plate 3, a piston rod of the hydraulic cylinder 11 penetrates through the top plate 3 and is fixedly connected with a U-shaped plate 12, two ends of the U-shaped plate 12 penetrate through the bottom of the top plate 3, a motor 13 is fixedly connected with the inner wall of one side of the U-shaped plate 12, an output shaft of the motor 13 is fixedly connected with a second rotating shaft 14, the other end of the second rotating shaft 14 is rotatably connected with the inner wall of one side of the U-shaped plate 12, a second gear 15 is fixedly sleeved on the outer wall of the second rotating shaft 14, the second gear 15 is meshed with the first gear 6, the fixing assembly comprises a bidirectional threaded rod 20 rotatably connected with one side of the fixed box 19, the outer wall of the bidirectional threaded rod 20 is in threaded connection with two nut plates 21 which are far away, one side of each nut plate 21 extends to the outer side of the top of the fixed box 19, a sliding rail 22 is fixedly embedded in the inner wall of the bottom of the fixed box 19, and two sliding blocks 23 which are far away are slidably connected with the top of the sliding rail 22, the top of two second sliders 23 respectively with the bottom fixed connection of two nut plates 21, the buffer assembly includes the dashpot 24 that impact platform 1 top was seted up, the bottom inner wall fixedly connected with spring 25 of dashpot 24, the top fixedly connected with buffer board 26 of spring 25, the dead lever 27 that two looks kept away from of the bottom inner wall fixedly connected with of dashpot 24, the outer wall sliding sleeve of dead lever 27 is equipped with third slider 28, one side fixed connection that one side that two third sliders 28 are close to mutually keeps away from mutually with buffer board 26 respectively.

EXAMPLE III

The embodiment is improved on the basis of the first embodiment: the top inner wall and the two first slide bars 17 that keep away from of bottom inner wall fixedly connected with of roof 3, the outer wall sliding sleeve of first slide bar 17 is equipped with first slider 16, one side that two first sliders 16 are close to mutually respectively with the both sides fixed connection of U-shaped plate 12, the two second slide bars 18 that keep away from of top fixedly connected with of impact platform 1, the top of two second slide bars 18 respectively with the bottom outer wall fixed connection of roof 3, one side outer wall of two second slide bars 18 respectively with the top both sides through sliding connection of lifter plate 7.

The working principle is as follows: when the device is used, a material to be tested is placed on the two fixed boxes 19, at the moment, the two nut plates 21 are close to each other by rotating the bidirectional threaded rod 20, the nut plates 21 slide on the sliding rails 22 through the second sliding blocks 23 when moving, so that the two nut plates 21 clamp the test material, at the moment, the balancing weight 9 with a specified weight is placed on the placing rod 10, after the placing is completed, the hydraulic cylinder 11 is started to drive the U-shaped plate 12 to ascend, the U-shaped plate 12 slides on the first sliding rod 17 through the first sliding block 16 when moving, the motor 13 is driven to move when moving the U-shaped plate 12, the second rotating shaft 14 drives the second gear 15 to move when moving, so that the second gear 15 is separated from the first gear 6, at the moment, the lifting plate 7 descends due to the gravity of the impact head 8 and the balancing weight 9, the lifting plate 7 slides on the second sliding rod 18 when moving, the lifting plate 7 drives the steel wire rope 5 to wind on the first rotating shaft 4 when moving, so that the first rotating shaft 4 rotates, the impact head 8 collides with the test material at the moment, when the test material is fractured, the impact head 8 collides with the buffer plate 26 at the moment, the buffer plate 26 slides on the fixing rod 27 through the third sliding block 28 when moving, the buffer plate 26 compresses the spring 25 when moving, so that the impact head 8 buffers, the hydraulic cylinder 11 is started to drive the U-shaped plate 12 to move, so that the second gear 15 is meshed with the first gear 6 again, the motor 13 is started to drive the second rotating shaft 14 to rotate, the second rotating shaft 14 drives the second gear 15 to rotate when rotating, and the second gear 15 drives the first gear 6 to rotate when rotating, first gear 6 can drive first pivot 4 when rotatory and rotate, and first pivot 4 can make wire rope 5 wind on the outer wall of first pivot 4 when rotatory and establish, and first pivot 4 can stimulate lifter plate 7 when establishing and remove to drive impact head 8 and get back to the normal position, can make buffer board 26 return to the normal position because of the elasticity of spring 25 this moment.

However, as is well known to those skilled in the art, the working principle and wiring method of the hydraulic cylinder 11 and the motor 13 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any selection according to their needs or convenience.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The metal material impact test bed comprises an impact platform (1) and is characterized in that the top of the impact platform (1) is fixedly connected with two support columns (2) which are far away from each other, the top of the two support columns (2) is fixedly connected with the same top plate (3), the top plate (3) is of a hollow structure, the bottom outer wall of the top plate (3) is rotatably connected with a first rotating shaft (4), a steel wire rope (5) is wound on the outer wall of the first rotating shaft (4), a first gear (6) is fixedly sleeved on the outer wall of the first rotating shaft (4), a lifting plate (7) is fixedly connected with one end of the steel wire rope (5), an impact head (8) is fixedly connected with the bottom of the lifting plate (7), two placing rods (10) which are far away from each other are fixedly connected with the top of the lifting plate (7), two balancing weights (9) are sleeved on the outer wall of the placing rods (10), the inside of roof (3) is provided with the lifting unit who makes lifter plate (7) go up and down, the fixed case (19) that two looks kept away from of top fixedly connected with of impact platform (1), and the top of two fixed cases (19) is open structure, the inside of fixed case (19) is provided with the fixed subassembly of fixed metal material, the top of impact platform (1) is provided with the buffering subassembly that makes impact head (8) buffering.

2. The metal material impact test bed according to claim 1, wherein the lifting assembly comprises a hydraulic cylinder (11) fixedly connected with the outer wall of the top plate (3), a piston rod of the hydraulic cylinder (11) penetrates through the top plate (3) and is fixedly connected with a U-shaped plate (12), two ends of the U-shaped plate (12) penetrate through the bottom of the top plate (3), a motor (13) is fixedly connected with the inner wall of one side of the U-shaped plate (12), a second rotating shaft (14) is fixedly connected with an output shaft of the motor (13), the other end of the second rotating shaft (14) is rotatably connected with the inner wall of one side of the U-shaped plate (12), a second gear (15) is fixedly sleeved on the outer wall of the second rotating shaft (14), and the second gear (15) is meshed with the first gear (6).

3. A metal material impact test bed according to claim 1, wherein the fixing component comprises a two-way threaded rod (20) rotatably connected with one side of a fixing box (19), the outer wall of the two-way threaded rod (20) is in threaded connection with two separated nut plates (21), one side of each of the two nut plates (21) extends to the outside of the top of the fixing box (19), the inner wall of the bottom of the fixing box (19) is fixedly embedded with a slide rail (22), the top of the slide rail (22) is in sliding connection with two separated second slide blocks (23), and the tops of the two second slide blocks (23) are respectively fixedly connected with the bottoms of the two nut plates (21).

4. The metal material impact test bed according to claim 1, wherein the buffer assembly comprises a buffer groove (24) formed in the top of the impact platform (1), a spring (25) is fixedly connected to the inner bottom wall of the buffer groove (24), a buffer plate (26) is fixedly connected to the top of the spring (25), two far-away fixing rods (27) are fixedly connected to the inner bottom wall of the buffer groove (24), a third slide block (28) is slidably sleeved on the outer wall of each fixing rod (27), and one side, close to each of the two third slide blocks (28), is fixedly connected to one side, far away from each buffer plate (26).

5. The metal material impact test bed according to claim 1, wherein two first slide bars (17) which are far away are fixedly connected to the top inner wall and the bottom inner wall of the top plate (3), a first slide block (16) is slidably sleeved on the outer wall of the first slide bars (17), and one sides, close to the two first slide blocks (16), of the two first slide blocks are fixedly connected with two sides of the U-shaped plate (12) respectively.

6. The metal material impact test bed according to claim 1, wherein two second away slide bars (18) are fixedly connected to the top of the impact platform (1), the top ends of the two second away slide bars (18) are respectively fixedly connected to the outer wall of the bottom of the top plate (3), and the outer wall of one side of the two second away slide bars (18) is respectively connected to the two sides of the top of the lifting plate (7) in a penetrating and sliding manner.