CN220930757U - Mineral casting test equipment - Google Patents
Mineral casting test equipment Download PDFInfo
- Publication number
- CN220930757U CN220930757U CN202322687058.5U CN202322687058U CN220930757U CN 220930757 U CN220930757 U CN 220930757U CN 202322687058 U CN202322687058 U CN 202322687058U CN 220930757 U CN220930757 U CN 220930757U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- seat
- side end
- base
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 47
- 239000011707 mineral Substances 0.000 title claims abstract description 47
- 238000005266 casting Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000670 limiting effect Effects 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides test equipment for mineral castings, which belongs to the technical field of mineral casting test and comprises a base; the telescopic rod is fixedly connected to the upper end of the base, the upper end of the telescopic rod is fixedly connected with a fixing seat, one side of the fixing seat is provided with a vibration plate, and the lower end of the vibration plate is fixedly connected with a test needle; adjustment mechanism, adjustment mechanism includes: the fixed block is fixedly connected to one side end of the fixed seat, one side end of the fixed block is fixedly connected with an electric push rod, and one side end of the electric push rod is fixedly connected with a fixed table; the rotating rod, one side end of the rotating rod runs through one side end of the fixed table, so that the vibration test observation effect of the test equipment is improved, the vibration amplitude of the mineral casting can be clearly observed by human eyes, the deviation of the vibration detection structure of the mineral casting is avoided, and the test work efficiency of the test equipment on the mineral casting is improved.
Description
Technical Field
The utility model belongs to the technical field of mineral casting test, and particularly relates to test equipment for mineral castings.
Background
The product of the mineral casting is a mineral casting, is an environment-friendly material facing the future, and can replace the traditional cast iron in certain application aspects by being used as a structural member of a machine and having the advantages of price and performance.
The utility model provides a mineral foundry goods testing machine is recorded to authority bulletin number "CN218211859U", includes the stand, the surface of stand is provided with the stabilizing mean that is used for supporting the stand and can fold and accomodate, the top surface of stand is provided with the testing mechanism that is used for testing mineral foundry goods vibration absorption nature, testing mechanism includes the amplitude board, the lock nut that is used for fastening the amplitude board is installed to the front screw thread of stand, stabilizing mean includes the round bar of symmetry installation at the stand surface all around, every group the supporting leg is all rotated on the surface of round bar. This mineral foundry goods testing machine possesses convenient receiver and carries the advantage that can accurately observe out vibration amplitude through the naked eye simultaneously, has solved the testing arrangement volume that is used often greatly, adopts welded mode to fix between the part simultaneously, leads to the device inconvenient carrying box accomodate, and can't accurately observe the problem of vibration amplitude at the in-process people's of test naked eye.
Above-mentioned this mineral foundry goods testing machine of patent possesses convenient receiver and carries simultaneously can accurately observe out the advantage of vibration amplitude through the naked eye, it is great to have solved the testing arrangement volume commonly used, adopt welded mode to fix between the part simultaneously, lead to the device inconvenient to carry the box to accomodate, and the problem of the unable accurate vibration amplitude of observing of in-process people's naked eye at the test, but carry out test detection to mineral foundry goods in the above-mentioned patent, need use test equipment to carry out vibration detection to mineral foundry goods, current test equipment is poor to vibration test observation effect, be inconvenient for human naked eyes to clearly observe out the vibration amplitude of mineral foundry goods, thereby lead to appearing the deviation to the vibration detection structure of mineral foundry goods, test equipment has reduced the test work efficiency to mineral foundry goods.
Disclosure of utility model
The utility model aims to provide test equipment for mineral castings, and aims to solve the problems that in the prior art, when the mineral castings are tested and detected, the test equipment is required to be used for vibration detection of the mineral castings, the conventional test equipment has poor vibration test observation effect, and the vibration amplitude of the mineral castings is inconvenient to be clearly observed by naked eyes of a human body, so that deviation occurs to the vibration detection structure of the mineral castings, and the test work efficiency of the test equipment on the mineral castings is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a test apparatus for mineral castings, comprising:
A base;
The telescopic rod is fixedly connected to the upper end of the base, the upper end of the telescopic rod is fixedly connected with a fixing seat, one side of the fixing seat is provided with a vibration plate, and the lower end of the vibration plate is fixedly connected with a test needle;
an adjustment mechanism, the adjustment mechanism comprising:
The fixed block is fixedly connected to one side end of the fixed seat, one side end of the fixed block is fixedly connected with an electric push rod, and one side end of the electric push rod is fixedly connected with a fixed table;
The rotating rod penetrates through one side end of the fixed table, the rotating seat is connected to the circumferential surface of the rotating rod in a sliding mode, and the mounting seat is fixedly connected to one side end of the rotating seat; and
The limiting component is arranged on the upper side of the telescopic rod and connected with the mounting seat to realize the limiting effect on the amplitude board.
As a preferred aspect of the present utility model, the limiting assembly includes:
The fourth connecting seat is fixedly connected to one side end of the mounting seat, and the inner surface of the fourth connecting seat is rotationally connected with a limiting circular ring through a rotating shaft;
the limiting rod is fixedly connected to one side end of the fixed table, and the circumferential surface of the limiting rod is in sliding connection with the inner surface of the limiting ring.
As a preferable scheme of the utility model, the upper end of the base is fixedly connected with a plurality of supporting blocks, and the circumferential surface of the telescopic rod is connected with a first sliding ring and a second sliding ring in a sliding manner.
As a preferable scheme of the utility model, two stabilizing seats are arranged on two sides of the base, and connecting pads are fixedly connected to the lower ends of the two stabilizing seats.
As a preferred aspect of the present utility model, two sets of support mechanisms, each set of support mechanisms includes:
The two first connecting seats are respectively and fixedly connected to the circumferential surface of the base and one side end of the stabilizing seat, and the inner surfaces of the two first connecting seats are respectively and rotatably connected with a first connecting plate through a rotating shaft;
The two second connecting seats are respectively and fixedly connected to the upper end of the stabilizing seat and the circumferential surface of the second slip ring, and the inner surfaces of the two second connecting seats are respectively and rotatably connected with a second connecting plate through a rotating shaft; and
The connecting assembly is arranged on the upper side of the base and connected with the second connecting plate to realize the function of supporting the telescopic rod.
As a preferred aspect of the present utility model, each set of the connection assemblies includes:
The sliding shell is connected to the outer surface of the second connecting plate in a sliding manner, and a third connecting seat is fixedly connected to one side end of the sliding shell and the circumferential surface of the first slip ring;
The third connecting plates are rotatably connected to the inner surfaces of the two third connecting seats through rotating shafts.
Compared with the prior art, the utility model has the beneficial effects that:
1. In this scheme, carry out the length extension through the control telescopic link to adjust the high distance to the mineral foundry goods, promote vibration board and test needle simultaneously and carry out the position movement according to electric putter, when the test carries out vibration test to the mineral foundry goods, drive under the effect and rotate the surface slip of seat at the fixed station, be connected between spacing ring and the fourth connecting seat according to the pivot simultaneously, thereby drive spacing ring and slide at the surface of gag lever post, play the effect of carrying out spacing support to pivoted mount pad, the stability of mount pad when rotating has been improved, test equipment has improved vibration test observation effect, the human naked eye of being convenient for clearly observe out the vibration amplitude of mineral foundry goods has been solved the vibration detection structure of mineral foundry goods and has appeared the deviation, test equipment has improved the test work efficiency of test equipment to the mineral foundry goods.
2. In this scheme, slide from top to bottom at the surface of telescopic link through first sliding ring and second sliding ring, promote simultaneously under the effect and stabilize the seat and carry out downward and ground and contact, and drive first connecting plate under the effect and adjust into straight line parallel state, thereby pull the second connecting plate under the effect of tensile force and carry out angle modulation, accomplish the effect of supporting the telescopic link of length, slide the shell simultaneously and slide at the surface of second connecting plate, thereby drive the third connecting plate and move in the inside of two third connecting seats, and then make the third connecting plate carry out angle modulation and fix the second connecting plate, accomplish the effect of supporting fixedly the telescopic link.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a first perspective cross-sectional view of the present utility model;
FIG. 3 is a second perspective cross-sectional view of the present utility model;
fig. 4 is an enlarged view of a portion of fig. 3 according to the present utility model.
In the figure: 1. a base; 2. a support block; 3. a telescopic rod; 4. a first slip ring; 5. a second slip ring; 6. a fixing seat; 7. a fixed block; 8. a mounting base; 9. a vibration plate; 10. a test needle; 11. a stabilizing seat; 12. a connection pad; 13. a first connection base; 14. a first connection plate; 15. a second connecting seat; 16. a second connecting plate; 17. a sliding housing; 18. a third connecting seat; 19. a third connecting plate; 20. an electric push rod; 21. a fixed table; 22. a rotating seat; 23. a rotating lever; 24. a fourth connecting seat; 25. a limit rod; 26. and a limiting ring.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions:
a test apparatus for mineral castings, comprising:
a base 1;
The telescopic rod 3 is fixedly connected to the upper end of the base 1, the upper end of the telescopic rod 3 is fixedly connected with the fixing seat 6, one side of the fixing seat 6 is provided with the amplitude plate 9, and the lower end of the amplitude plate 9 is fixedly connected with the test needle 10;
Adjustment mechanism, adjustment mechanism includes:
The fixed block 7, the fixed block 7 is fixedly connected to one side end of the fixed seat 6, one side end of the fixed block 7 is fixedly connected with the electric push rod 20, and one side end of the electric push rod 20 is fixedly connected with the fixed table 21;
The rotating rod 23, one side end of the rotating rod 23 penetrates through one side end of the fixed table 21, the circumference surface of the rotating rod 23 is connected with the rotating seat 22 in a sliding manner, and one side end of the rotating seat 22 is fixedly connected with the mounting seat 8; and
The limiting component is arranged on the upper side of the telescopic rod 3 and is connected with the mounting seat 8 to realize the limiting effect on the amplitude board 9.
In the specific embodiment of the utility model, the telescopic rod 3 is installed and fixed through the arranged base 1, meanwhile, the upper fixing seat 6 is driven to be adjusted in height according to the extension of the length of the telescopic rod 3, and the test height of a mineral casting is adjusted, so that the device is suitable for testing heights of different workers, the electric push rod 20 is fixed through the fixed fixing block 7, meanwhile, the vibration plate 9 and the test needle 10 are pushed to move according to the electric push rod 20, when the test needle 10 is used for carrying out vibration test on the mineral casting, the rotating seat 22 is driven to slide on the surface of the fixing table 21 under the action of force, meanwhile, the limiting ring 26 is connected with the fourth connecting seat 24 according to the rotating shaft, so that the limiting ring 26 is driven to slide on the surface of the limiting rod 25, the effect of limiting and supporting the rotating mounting seat 8 is achieved, the stability of the mounting seat 8 in rotation is improved, the observation effect of the vibration test equipment on the vibration test is improved, the vibration amplitude of the mineral casting is convenient for the naked eyes to clearly observe, the vibration detection structure deviation of the mineral casting is solved, and the test work efficiency of the mineral casting is improved by the test equipment, and the test work efficiency of the mineral casting is required to be described: the telescopic rod 3, the electric push rod 20, the amplitude plate 9 and the test needle 10 of which type are specifically used are selected by the related person skilled in the art, and the telescopic rod 3, the electric push rod 20, the amplitude plate 9 and the test needle 10 and the like all belong to the prior art, and the scheme is not repeated.
Referring specifically to fig. 4, the limiting assembly includes:
The fourth connecting seat 24, the fourth connecting seat 24 is fixedly connected to one side end of the mounting seat 8, and the inner surface of the fourth connecting seat 24 is rotatably connected with a limiting circular ring 26 through a rotating shaft;
The limiting rod 25, limiting rod 25 fixed connection is in the one side end of fixed station 21, and the circumference surface and the internal surface sliding connection of spacing ring 26 of limiting rod 25.
In this embodiment: through driving under the effect of force and rotating seat 22 at the surface slip of fixed station 21, be connected between spacing ring 26 and fourth connecting seat 24 according to the pivot simultaneously to drive spacing ring 26 and slide at the surface of gag lever post 25, play the effect of carrying out spacing support to pivoted mount pad 8.
Referring to fig. 1 specifically, a plurality of support blocks 2 are fixedly connected to an upper end of a base 1, and a first slip ring 4 and a second slip ring 5 are slidably connected to a circumferential surface of a telescopic rod 3.
In this embodiment: support fixed to base 1 through a plurality of fixed supporting shoe 2, strengthened the support strength of base 1 and telescopic link 3, slide at the surface of telescopic link 3 according to first sliding ring 4 and second sliding ring 5 simultaneously to adjust the flexible or the expansion of two sets of supporting mechanism.
Referring to fig. 1 specifically, two stabilizing bases 11 are disposed on two sides of the base 1, and connection pads 12 are fixedly connected to the lower ends of the two stabilizing bases 11.
In this embodiment: through the effect that two stable seat 11 that set up connect two sets of supporting mechanism, support two stable seat 11 simultaneously according to two fixed connection pads 12, strengthened the joint strength of two stable seat 11 and ground.
Referring specifically to fig. 2, two sets of support mechanisms, each set of support mechanisms includes:
The two first connecting seats 13 are respectively and fixedly connected to the circumferential surface of the base 1 and one side end of the stabilizing seat 11, and the inner surfaces of the two first connecting seats 13 are respectively and rotatably connected with a first connecting plate 14 through a rotating shaft;
The two second connecting seats 15 are respectively and fixedly connected to the upper end of the stabilizing seat 11 and the circumferential surface of the second slip ring 5, and the inner surfaces of the two second connecting seats 15 are respectively and rotatably connected with a second connecting plate 16 through a rotating shaft; and
The connecting assembly is arranged on the upper side of the base 1 and is connected with the second connecting plate 16 to realize the function of supporting the telescopic rod 3.
In this embodiment: the first slip ring 4 and the second slip ring 5 slide up and down on the surface of the telescopic rod 3, meanwhile, the stable seat 11 is pushed to contact with the ground downwards under the action of force, the first connecting plate 14 is driven to be adjusted to be in a linear parallel state under the action of force, the second connecting plate 16 is pulled to be in angle adjustment under the action of pulling force, the telescopic rod 3 with the length is supported, the sliding shell 17 slides on the surface of the second connecting plate 16, the third connecting plate 19 is driven to move in the two third connecting seats 18, the third connecting plate 19 is further driven to be in angle adjustment to fix the second connecting plate 16, and the telescopic rod 3 is supported and fixed.
Referring specifically to fig. 2, each set of connection assemblies includes:
The sliding shell 17 is slidably connected to the outer surface of the second connecting plate 16, and a third connecting seat 18 is fixedly connected to one side end of the sliding shell 17 and the circumferential surface of the first slip ring 4;
The third connecting plates 19, the third connecting plates 19 are rotatably connected to the inner surfaces of the two third connecting seats 18 through rotating shafts.
In this embodiment: the sliding shell 17 slides on the surface of the second connecting plate 16, so that the third connecting plate 19 is driven to move inside the two third connecting seats 18, the third connecting plate 19 is further enabled to conduct angle adjustment to fix the second connecting plate 16, and the supporting and fixing force of the second connecting plate 16 is enhanced.
The working principle and the using flow of the utility model are as follows: the telescopic rod 3 is controlled to stretch in length so as to adjust the height distance of a mineral casting, meanwhile, the vibration plate 9 and the test needle 10 are pushed to move in position according to the electric push rod 20, when the test needle 10 is used for vibration testing of the mineral casting, the rotating seat 22 is driven to slide on the surface of the fixed table 21 under the action of the force, meanwhile, the limiting ring 26 and the fourth connecting seat 24 are connected according to the rotating shaft, the limiting ring 26 is driven to slide on the surface of the limiting rod 25, the function of limiting and supporting the rotating mounting seat 8 is achieved, the first sliding ring 4 and the second sliding ring 5 slide up and down on the surface of the telescopic rod 3, the stabilizing seat 11 is pushed to contact downwards and the ground under the action of the force, the first connecting plate 14 is driven to be in a linear parallel state under the action of the force, the second connecting plate 16 is pulled under the action of the tension, the function of supporting the telescopic rod 3 with the length is completed, the sliding shell 17 slides on the surface of the second connecting plate 16, the third connecting plate 19 is driven to move inside the two third connecting plates 18, the third connecting plate 19 is driven to move up and down, the second connecting plate 16 is driven to support the second connecting plate 16, and the telescopic rod 3 is fixed under the action of supporting the telescopic rod is completed.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A mineral casting testing apparatus comprising:
A base (1);
The telescopic rod (3), telescopic rod (3) fixedly connected to the upper end of base (1), the upper end fixedly connected with fixing base (6) of telescopic rod (3), one side of fixing base (6) is provided with amplitude board (9), the lower extreme fixedly connected with test needle (10) of amplitude board (9);
an adjustment mechanism, the adjustment mechanism comprising:
The fixing block (7), the fixing block (7) is fixedly connected to one side end of the fixing seat (6), one side end of the fixing block (7) is fixedly connected with an electric push rod (20), and one side end of the electric push rod (20) is fixedly connected with a fixing table (21);
The rotating rod (23), one side end of the rotating rod (23) penetrates through one side end of the fixed table (21), the circumference surface of the rotating rod (23) is connected with a rotating seat (22) in a sliding mode, and one side end of the rotating seat (22) is fixedly connected with an installation seat (8); and
The limiting component is arranged on the upper side of the telescopic rod (3) and is connected with the mounting seat (8) to realize the limiting effect on the amplitude board (9).
2. A mineral casting testing apparatus in accordance with claim 1 wherein: the spacing subassembly includes:
The fourth connecting seat (24), the said fourth connecting seat (24) is fixedly connected to a side end of the mounting seat (8), the inner surface of the said fourth connecting seat (24) is connected with the spacing circular ring (26) through the pivot rotation;
The limiting rod (25), one side end of limiting rod (25) fixed connection in fixed station (21), the circumference surface of limiting rod (25) and the internal surface sliding connection of spacing ring (26).
3. A mineral casting testing apparatus in accordance with claim 2 wherein: the upper end of the base (1) is fixedly connected with a plurality of supporting blocks (2), and the circumferential surface of the telescopic rod (3) is slidably connected with a first slip ring (4) and a second slip ring (5).
4. A mineral casting testing apparatus in accordance with claim 3, wherein: two sides of the base (1) are provided with two stabilizing seats (11), and the lower ends of the two stabilizing seats (11) are fixedly connected with connecting pads (12).
5. A mineral casting testing apparatus in accordance with claim 4 wherein: two sets of supporting mechanism, every group supporting mechanism all includes:
The two first connecting seats (13), the two first connecting seats (13) are respectively and fixedly connected to the circumferential surface of the base (1) and one side end of the stabilizing seat (11), and the inner surfaces of the two first connecting seats (13) are respectively and rotatably connected with a first connecting plate (14) through a rotating shaft;
The two second connecting seats (15), the two second connecting seats (15) are respectively and fixedly connected to the upper end of the stabilizing seat (11) and the circumferential surface of the second slip ring (5), and the inner surfaces of the two second connecting seats (15) are respectively and rotatably connected with a second connecting plate (16) through a rotating shaft; and
The connecting assembly is arranged on the upper side of the base (1) and is connected with the second connecting plate (16) so as to realize the function of supporting the telescopic rod (3).
6. A mineral casting testing apparatus in accordance with claim 5 wherein: each set of said connection assemblies comprises:
The sliding shell (17), the sliding shell (17) is connected to the outer surface of the second connecting plate (16) in a sliding way, and a third connecting seat (18) is fixedly connected to one side end of the sliding shell (17) and the circumferential surface of the first slip ring (4);
the third connecting plates (19), wherein the third connecting plates (19) are rotatably connected to the inner surfaces of the two third connecting seats (18) through rotating shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322687058.5U CN220930757U (en) | 2023-10-08 | 2023-10-08 | Mineral casting test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322687058.5U CN220930757U (en) | 2023-10-08 | 2023-10-08 | Mineral casting test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930757U true CN220930757U (en) | 2024-05-10 |
Family
ID=90970244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322687058.5U Active CN220930757U (en) | 2023-10-08 | 2023-10-08 | Mineral casting test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930757U (en) |
-
2023
- 2023-10-08 CN CN202322687058.5U patent/CN220930757U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108326491B (en) | The branch pipe group of power transmission and transformation steel tube tower is to equipment | |
| CN220930757U (en) | Mineral casting test equipment | |
| CN113586361A (en) | Nondestructive testing device for testing portable wind power generation equipment | |
| CN211805073U (en) | Material grabbing device for numerical control machine tool | |
| CN219954976U (en) | Supporting device | |
| CN215218082U (en) | Comprehensive testing machine for body-building equipment | |
| CN216011972U (en) | Movable lifting target drone | |
| CN210574548U (en) | Frictional force presentation device for physics teaching | |
| CN208097898U (en) | A kind of high speed disperser | |
| CN208468141U (en) | A kind of adjustable fixed device | |
| CN219202556U (en) | Welding exercise support | |
| CN208043867U (en) | A kind of communication power supply Special testing device | |
| CN219166448U (en) | Ultrasonic probe rack | |
| CN212180503U (en) | Impact strength detection device for cantilever beam impact tester | |
| CN219712852U (en) | Display screen display angle adjusting structure of network tester | |
| CN220386625U (en) | But medical science clinical laboratory test-tube rack in adjustable aperture | |
| CN215374209U (en) | Noise detection device for speed reducer assembly | |
| CN220023194U (en) | Clamp for circuit board detection | |
| CN221550324U (en) | Testing machine for simulating broken stone impact products | |
| CN220695799U (en) | Sit-up testing device | |
| CN221631209U (en) | Multifunctional mechanical test bed | |
| CN220932823U (en) | Detection device for welding detection of IC card chip | |
| CN219815171U (en) | Guide supporting structure for lifting training frame | |
| CN212903850U (en) | Spring durability's check out test set | |
| CN215573486U (en) | Force measuring device of sheet spring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |