CN114166622A - Shaft pressure test fixture - Google Patents
Shaft pressure test fixture Download PDFInfo
- Publication number
- CN114166622A CN114166622A CN202111513801.4A CN202111513801A CN114166622A CN 114166622 A CN114166622 A CN 114166622A CN 202111513801 A CN202111513801 A CN 202111513801A CN 114166622 A CN114166622 A CN 114166622A
- Authority
- CN
- China
- Prior art keywords
- clamping piece
- horizontal
- upright post
- piece
- supporting clamping
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to the field of wallboard structure mechanical property testing equipment, in particular to an axial compression test fixture which comprises a horizontal supporting base, a left upright post and a right upright post which are arranged on two sides of the horizontal supporting base, and a test piece clamping assembly which is connected with the left upright post and the right upright post through bolts. The clamp can be directly clamped on a universal testing machine, can prevent the clamping tool and the testing machine from sliding and loosening, can bear larger axial pressure test load, can keep a test piece in a pure simple support state through the upright post and the clamping piece, meets the axial pressure performance test of the test pieces with different sizes, and enlarges the application range of the clamp.
Description
Technical Field
The invention relates to the field of wallboard structure mechanical property testing equipment, in particular to a shaft pressure test clamp.
Background
The mechanical property of the test structural member is the most critical step of structural design and strength check, but the mechanical property test of large and medium-sized wallboard structures such as airplane wings and the like is still a very challenging problem. The wing wallboard has a complex structure, and in the mechanical property test of a corresponding test piece, a few and few axial compression clamps can be directly clamped on the universal tester. Because the wallboard structure test piece is large in size, in the prior art, the phenomena of looseness, bending, slippage and the like of the test piece or a clamping tool caused by unstable clamping often occur, so that the test result error is large or the actual load condition in engineering application cannot be well met, and the test reliability is reduced. Meanwhile, in the structural test of the wall plate, a test piece is required to be in a pure simple supporting state, and the structure is required to be prevented from being unstable in the compression process, so that great difficulty is brought to the structural design and the mechanical property test of the airplane.
Disclosure of Invention
The invention provides the axial compression clamp which is easy to clamp, convenient to operate and widely applicable aiming at the problems of clamp clamping looseness and test piece instability in the process of testing the axial compression performance of the wallboard structure, and solves the test problems that four sides of the test piece are simply supported and front and rear rigid centers are not in a geometric center.
In order to achieve the purpose, the invention adopts the technical scheme that:
a shaft pressure test fixture comprises a horizontal supporting base, a left upright post and a right upright post which are arranged on two sides of the horizontal supporting base, and a test piece clamping component which is connected with the left upright post and the right upright post through bolts, wherein the test piece clamping component comprises a left front side supporting clamping piece, a left rear side supporting clamping piece, a right front side supporting clamping piece, a right rear side supporting clamping piece, a horizontal supporting clamping piece I, a horizontal supporting clamping piece II, a horizontal supporting clamping piece III, a horizontal supporting clamping piece IV and an upper clamping plate which are arranged on the left upright post, the horizontal supporting clamping piece I, the horizontal supporting clamping piece II, the horizontal supporting clamping piece III and the horizontal supporting clamping piece IV are respectively connected with the left upright post and the right upright post through bolts at the left and right ends and form two rectangular clamping frames with the left front side supporting clamping piece, the left rear side supporting clamping piece, the right front side supporting clamping piece and the right rear side supporting clamping piece, the upper clamping plate is horizontally arranged at the upper part between the two rectangular clamping frames.
Further, open the T type groove that is used for installing left stand and right stand on horizontal base's the bottom plate, realize the relatively fixed of left side stand and right side stand through the bolt to can adapt to the not test piece of equidimension through the removal of left stand and right stand in T type groove.
Furthermore, elliptical holes matched with the bolts are formed in the bottom plates of the left upright post and the right upright post, and the left upright post and the right upright post can be finely adjusted front and back through the elliptical holes, so that the rigid center of the test piece passing through the loading axis is ensured.
Furthermore, bolt holes for mounting a left front side supporting clamping piece, a left rear side supporting clamping piece, a right front side supporting clamping piece, a right rear side supporting clamping piece, a horizontal supporting clamping piece I, a horizontal supporting clamping piece II, a horizontal supporting clamping piece III and a horizontal supporting clamping piece IV are formed in the inner sides of the left upright column and the right upright column.
Furthermore, reinforcing ribs are arranged on the front side and the rear side of the left upright post and the right upright post, so that the stability of the upright posts is ensured.
Furthermore, the flat plate sides of the left front side supporting clamping piece, the left rear side supporting clamping piece, the right front side supporting clamping piece and the right rear side supporting clamping piece are respectively connected with the left upright post and the right upright post, and the side with the arc is in contact with the test piece, so that the left side and the right side of the test piece are in a simply supporting state.
Furthermore, the horizontal supporting clamping piece I, the horizontal supporting clamping piece II, the horizontal supporting clamping piece III and the horizontal supporting clamping piece IV are arranged on the upper side and the lower side of the left front side supporting clamping piece, the left rear side supporting clamping piece, the right front side supporting clamping piece and the right rear side supporting clamping piece, and arc parts are arranged in the middle of the upper side and the lower side of the left front side supporting clamping piece, the left rear side supporting clamping piece, the right front side supporting clamping piece and the right rear side supporting clamping piece and are in contact with a test piece, so that the test piece is in a simple supporting state up and down.
Furthermore, the loading of the test piece is realized by controlling the distance between the upper clamping plate and the horizontal base through the tester, and the cylindrical rods on the upper clamping plate and the horizontal base are directly clamped on the universal tester.
Compared with the prior art, the invention has the following beneficial effects:
1) the universal testing machine is convenient and reliable to use, can be directly clamped on the universal testing machine, effectively prevents the phenomena of looseness and slippage between the clamp and the testing machine, reduces experimental errors caused by connection problems, and can bear larger axial load;
2) the condition that four sides of a test piece are in a pure and simple state can be met, and the engineering application reality is met;
3) the groove on the base and the elliptical groove of the upright column base can effectively enlarge the application range, are suitable for test pieces with different sizes and with rigid centers not at the geometric centers, and increase the universality of the clamp;
4) reinforcing ribs are arranged on two sides of the upright post, so that the upright post can bear larger axial pressure load without deformation, and the strength and the rigidity of the upright post are effectively improved;
5) the problem of structural instability in the test process of the test piece is effectively prevented;
6) the structure is simple, and the production and the maintenance are realized; the operation is simple, and the clamping is convenient; is safe and reliable.
Drawings
Fig. 1 is a schematic structural assembly diagram of a shaft pressure test fixture according to an embodiment of the invention.
Fig. 2 is a front view of a use state of the axial compression test fixture according to the embodiment of the invention.
Fig. 3 is an exploded view of a shaft pressure test fixture according to an embodiment of the invention.
Fig. 4 is a view of a horizontal base member.
Fig. 5 is a view of the left and right column members.
Figure 6 is a view of a lateral support clip assembly.
FIG. 7 is a view of a horizontal support clip assembly
FIG. 8 is a view of an upper clamping plate member.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-8, an embodiment of the present invention provides an axial compression test fixture, which includes a horizontal support base 1, a left upright 2 and a right upright 3 mounted on two sides of the horizontal support base 1, and a test piece clamping assembly connected to the left upright 2 and the right upright 3 by bolts, wherein the test piece clamping assembly includes a left front side support clip 4, a left rear side support clip 6, a right front side support clip 5, a right rear side support clip 7, a horizontal support clip I8, a horizontal support clip II9, a horizontal support clip III10, a horizontal support clip IV11, and an upper clamping plate 12 mounted on the left upright 2, a horizontal support clip I8, a horizontal support clip II9, a horizontal support clip III10, and a horizontal support clip IV11, and left and right ends of the horizontal support clip IV11 are respectively connected to the left upright 2 and the right upright 3 by bolts, and the left front side supporting clamping piece 4, the left rear side supporting clamping piece 6, the right side supporting clamping piece 5 and the right rear side supporting clamping piece 7 form two rectangular clamping frames, and the upper clamping plate 12 is horizontally arranged on the upper part between the two rectangular clamping frames. The test piece is fixed on the base through a left upright post 2, a right upright post 3, a left front side supporting clamping piece 4, a left rear side supporting clamping piece 6, a right front side supporting clamping piece 5, a right rear side supporting clamping piece 7, a horizontal supporting clamping piece I8, a horizontal supporting clamping piece II9, a horizontal supporting clamping piece III10 and a horizontal supporting clamping piece IV11, so that four sides of the test piece are in a simple supporting state. The T-shaped groove on the horizontal base and the elliptical holes on the left stand column and the right stand column provide convenience for moving the test piece in all directions, and the loading axis can be guaranteed to pass through the rigid core of the test piece, so that the load bearing process of the test piece is pure compression.
In this embodiment, it has the T type groove that is used for installing left stand 2 and right stand 3 to open on horizontal base 1's the bottom plate, realizes left side stand 2 and right side stand 3's relatively fixed through the bolt to can adapt to the not test piece of equidimension through the removal of left stand 2 and right stand 3 in T type inslot.
In this embodiment, open on the bottom plate of left stand 2, right stand 3 have with the elliptical aperture of bolt adaptation, just can make left stand 2 and right stand 3 carry out fine setting from beginning to end through this elliptical aperture, ensure that the loading axis passes through the rigid heart of test piece, guarantee that the test piece is in pure compression state.
In this embodiment, the inner sides of the left upright 2 and the right upright 3 are provided with bolt holes for installing a left front side supporting clip 4, a left rear side supporting clip 6, a right front side supporting clip 5, a right rear side supporting clip 7, a horizontal supporting clip I8, a horizontal supporting clip II9, a horizontal supporting clip III10, and a horizontal supporting clip IV 11.
In this embodiment, the front and back both sides of left stand 2, right stand 3 all are equipped with the stiffening rib, have guaranteed the stability of stand, are used for preventing anchor clamps unstability, lateral bend.
In this embodiment, the flat plate sides of the left front side supporting clip 4, the left rear side supporting clip 6, the right front side supporting clip 5, and the right rear side supporting clip 7 are connected to the left upright column 2 and the right upright column 3, respectively, and the side having the arc contacts the test piece to make the test piece reach a simple supporting state from the left to the right.
In this embodiment, horizontal support clamping piece I8, horizontal support clamping piece II9, horizontal support clamping piece III10, horizontal support clamping piece IV11 are left and right to open and are had two bolt holes, be used for being connected with the stand, and the centre has the convex protrusion of radius 5mm with test piece contact one side, is used for satisfying the upper and lower simply supported state of test piece, sets up respectively in the upper and lower both sides of left front side edge support clamping piece 4, left back side edge support clamping piece 6, right front side edge support clamping piece 5, right back side edge support clamping piece 7.
In this embodiment, the distance between the upper clamping plate 12 and the horizontal base 1 is controlled by the tester to realize the loading of the test piece, and the upper clamping plate 12 and the cylindrical rod on the horizontal base 1 are directly clamped on the universal tester.
Furthermore, the height of the left and right upright posts, the length of the side supporting clamping pieces and the length of the horizontal supporting clamping pieces can be adjusted according to the size of the test piece. In the anchor clamps assembling process, leave 3mm clearance between left and right sides stand and the test piece side, prevent that experimental loading in-process stand and test piece contact from leading to the change of four sides support form.
Before this concrete implementation test, with the cylinder stick centre gripping of horizontal base 1 on universal tester's lower chuck, stand the test piece in the suitable position of base, fix the both sides of test piece with left stand 2, right stand 3, carry out bolted connection with side direction support clamping piece and horizontal support clamping piece respectively with the stand of both sides again, the arc surface of eight support clamping pieces contacts with the test piece respectively, make the test piece reach four sides simply supported state, wherein, the cushion block that the horizontal support base 1 in the picture was higher than and goes up the grip block below is the upper and lower cushion block of test piece self-bring (aircraft wing wallboard structure axle load test piece generally has the cushion block of being convenient for from having). In order to ensure that the test result of the axial compression test is accurate and reliable, the tight connection of each part of the test piece and the clamp needs to be ensured, the test piece and each part of the clamp are screwed and fixed by bolts to prevent looseness or slippage, the clamping completion effect is as shown in fig. 2, and the loading of the axial compression test is realized by controlling the distance between the upper clamping plate and the horizontal base by the tester.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. The utility model provides an axle pressure test anchor clamps which characterized in that: including horizontal support base (1), install and support base (1) both sides can be all around freely gliding left stand (2), right stand (3) to and through bolt and left stand (2), right stand (3) realize the testpieces centre gripping subassembly of being connected, testpieces centre gripping subassembly supports clamping piece (4), left back side including the left front side of installing on left stand (2) and supports clamping piece (6), right front side of installing on right stand (3) supports clamping piece (5), right back side supports clamping piece (7) and horizontal support clamping piece I (8), horizontal support clamping piece II (9), horizontal support clamping piece III (10), horizontal support clamping piece IV (11) and last grip block (12), horizontal support clamping piece I (8), horizontal support clamping piece II (9), horizontal support clamping piece III (10), the left and right sides both ends of horizontal support clamping piece IV (11) are respectively through bolt and left stand (2), After the right upright post (3) is connected, the clamping piece (4) is supported by the left front side, the clamping piece (6) is supported by the left rear side, the clamping piece (5) is supported by the right front side and the clamping piece (7) is supported by the right rear side to form two rectangular clamping frames, and the upper clamping plate (12) is horizontally arranged on the upper part between the two rectangular clamping frames.
2. The axial compression test fixture of claim 1, wherein: the horizontal base (1) is provided with a T-shaped groove for installing the left upright (2) and the right upright (3) on the bottom plate, the left upright (2) and the right upright (3) are relatively fixed through bolts, and the left upright (2) and the right upright (3) can move in the T-shaped groove to adapt to test pieces with different sizes.
3. The axial compression test fixture of claim 2, wherein: the bottom plates of the left upright post (2) and the right upright post (3) are provided with elliptical holes matched with bolts, and the left upright post (2) and the right upright post (3) can be finely adjusted front and back through the elliptical holes to ensure that the loading axis passes through the rigid center of the test piece.
4. The axial compression test fixture of claim 3, wherein: the inner sides of the left upright post (2) and the right upright post (3) are provided with bolt holes for installing a left front side supporting clamping piece (4), a left rear side supporting clamping piece (6), a right front side supporting clamping piece (5), a right rear side supporting clamping piece (7), a horizontal supporting clamping piece I (8), a horizontal supporting clamping piece II (9), a horizontal supporting clamping piece III (10) and a horizontal supporting clamping piece IV (11).
5. The axial compression test fixture of claim 2, wherein: reinforcing ribs are arranged on the front side and the rear side of the left upright post (2) and the right upright post (3), so that the stability of the upright posts is ensured.
6. The axial compression test fixture of claim 4, wherein: the flat plate side of the left front side supporting clamping piece (4), the left rear side supporting clamping piece (6), the right front side supporting clamping piece (5) and the right rear side supporting clamping piece (7) is respectively connected with the left upright post (2) and the right upright post (3) through bolts, and the side with the arc is in contact with the test piece, so that the left and right sides of the test piece are in a simple supporting state.
7. The axial compression test fixture of claim 4, wherein: the horizontal supporting clamping piece I (8), the horizontal supporting clamping piece II (9), the horizontal supporting clamping piece III (10) and the horizontal supporting clamping piece IV (11) are arranged on the upper side and the lower side of the left front side supporting clamping piece (4), the left rear side supporting clamping piece (6), the right front side supporting clamping piece (5) and the right rear side supporting clamping piece (7), and the middle part of the horizontal supporting clamping piece I is provided with an arc part which is in contact with a test piece, so that the test piece can be simply supported up and down.
8. The axial compression test fixture of claim 2, wherein: the loading of a test piece is realized by controlling the distance between the upper clamping plate (12) and the horizontal base (1) through a tester, and the upper clamping plate (12) and the cylindrical rod on the horizontal base (1) are directly clamped on the universal tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111513801.4A CN114166622B (en) | 2021-12-07 | 2021-12-07 | Shaft pressure test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111513801.4A CN114166622B (en) | 2021-12-07 | 2021-12-07 | Shaft pressure test fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114166622A true CN114166622A (en) | 2022-03-11 |
| CN114166622B CN114166622B (en) | 2023-07-04 |
Family
ID=80485781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111513801.4A Active CN114166622B (en) | 2021-12-07 | 2021-12-07 | Shaft pressure test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114166622B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3106850U (en) * | 2004-07-28 | 2005-01-27 | 川鉄テクノリサーチ株式会社 | Specimen holding jig for shear test |
| KR20090048696A (en) * | 2007-11-12 | 2009-05-15 | 재단법인 포항산업과학연구원 | Jig for universal testing machine |
| KR20130053069A (en) * | 2011-11-14 | 2013-05-23 | 강원대학교산학협력단 | Specimen clamping structure of tension-compression tester |
| CN103293056A (en) * | 2013-04-19 | 2013-09-11 | 空军工程大学 | Stiffened plate structure axial compression stability test clamp and method |
| CN103969118A (en) * | 2014-05-16 | 2014-08-06 | 北京航空航天大学 | Novel composite material unnotched compression test fixture |
| CN106813981A (en) * | 2017-02-13 | 2017-06-09 | 哈尔滨工业大学 | A kind of tensile fatigue test machine |
| CN107219068A (en) * | 2017-06-13 | 2017-09-29 | 哈尔滨工程大学 | Reinforcement pole-shell structure axial compression test device |
| CN214200947U (en) * | 2020-12-29 | 2021-09-14 | 中国航空工业集团公司西安飞机设计研究所 | Test fixture for axial compression loading of simply supported wallboard |
| CN214200948U (en) * | 2020-12-29 | 2021-09-14 | 中国航空工业集团公司西安飞机设计研究所 | Clamping device for honeycomb sandwich wallboard shear test |
-
2021
- 2021-12-07 CN CN202111513801.4A patent/CN114166622B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3106850U (en) * | 2004-07-28 | 2005-01-27 | 川鉄テクノリサーチ株式会社 | Specimen holding jig for shear test |
| KR20090048696A (en) * | 2007-11-12 | 2009-05-15 | 재단법인 포항산업과학연구원 | Jig for universal testing machine |
| KR20130053069A (en) * | 2011-11-14 | 2013-05-23 | 강원대학교산학협력단 | Specimen clamping structure of tension-compression tester |
| CN103293056A (en) * | 2013-04-19 | 2013-09-11 | 空军工程大学 | Stiffened plate structure axial compression stability test clamp and method |
| CN103969118A (en) * | 2014-05-16 | 2014-08-06 | 北京航空航天大学 | Novel composite material unnotched compression test fixture |
| CN106813981A (en) * | 2017-02-13 | 2017-06-09 | 哈尔滨工业大学 | A kind of tensile fatigue test machine |
| CN107219068A (en) * | 2017-06-13 | 2017-09-29 | 哈尔滨工程大学 | Reinforcement pole-shell structure axial compression test device |
| CN214200947U (en) * | 2020-12-29 | 2021-09-14 | 中国航空工业集团公司西安飞机设计研究所 | Test fixture for axial compression loading of simply supported wallboard |
| CN214200948U (en) * | 2020-12-29 | 2021-09-14 | 中国航空工业集团公司西安飞机设计研究所 | Clamping device for honeycomb sandwich wallboard shear test |
Non-Patent Citations (2)
| Title |
|---|
| 刘洪权;薛应举;杜正兴;: "复合材料加筋壁板轴压承载能力试验研究", 航空科学技术, no. 12 * |
| 潘雄;: "复合材料蜂窝夹芯壁板轴压试验研究", 工程与试验, no. 02 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114166622B (en) | 2023-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114166622A (en) | Shaft pressure test fixture | |
| CN110109518A (en) | A kind of universal super capacitor bracket applied to server | |
| CN108453539A (en) | A kind of new energy materials processing drilling tool | |
| CN213289205U (en) | Horn mouth inner bearing positioning tool | |
| CN211817270U (en) | Corner connector | |
| CN220648618U (en) | A quick stable leveling support for air conditioner installation | |
| CN216176325U (en) | Motor vehicle parts processing forging press auxiliary device | |
| CN216949524U (en) | A building templates for building engineering's be convenient for aggregate erection | |
| CN220945096U (en) | Rocket engine zero alignment tool | |
| CN219952823U (en) | Adjustable independent support bed-jig | |
| CN110315369A (en) | A kind of lathe pneumatic gripping device | |
| CN219533232U (en) | Test support of dc-to-ac converter | |
| CN220179139U (en) | Wing leading edge clamping tool for unmanned aerial vehicle body skin | |
| CN220218088U (en) | Positioning tool for bearing production and processing | |
| CN114905442B (en) | Special fixture for loading and positioning high-strength steel wire | |
| CN215299417U (en) | Modular frame for lead-acid battery equipment | |
| CN218940987U (en) | Quick installing support of fixed photovoltaic module | |
| CN211332294U (en) | Tool positioning device | |
| CN219787123U (en) | Welding set of adjustable support | |
| CN220240786U (en) | Front floor assembly positioning fixture | |
| CN212376249U (en) | Horizontal rod and template support for building | |
| CN210485127U (en) | Angle-adjustable projector case upright rod | |
| CN215700990U (en) | Spacing clamp of template design | |
| CN213502385U (en) | High-stability adjustable moving frame for electromechanical equipment | |
| CN209681994U (en) | A kind of automobile body clamp flexibility switching platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |