CN108593467B - Glass impact tester with protective effect - Google Patents
Glass impact tester with protective effect Download PDFInfo
- Publication number
- CN108593467B CN108593467B CN201810462454.9A CN201810462454A CN108593467B CN 108593467 B CN108593467 B CN 108593467B CN 201810462454 A CN201810462454 A CN 201810462454A CN 108593467 B CN108593467 B CN 108593467B
- Authority
- CN
- China
- Prior art keywords
- baffle
- groove
- test bed
- test
- guide rail
- 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
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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
-
- 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
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a glass impact tester with a protection effect, and relates to the technical field of test instruments. The invention comprises a test platform and two first baffle plates; a second baffle is fixedly arranged on one side surface of the test bed, and a guide rail is arranged on one opposite side surface of the second baffle; the two first baffle plates are respectively provided with a sliding block matched with the guide rail, the two first baffle plates are respectively arranged on two sides of the second baffle plate in a sliding manner through the sliding blocks, and the two first baffle plates are connected through a third baffle plate; the upper ends of the two guide rails are respectively provided with a telescopic mechanism, and a telescopic head of each telescopic mechanism is fixedly connected with the sliding block. According to the invention, the two first baffles, the second baffle and the third baffle form a fence on the test bed, and the iron balls cannot fall off from the test bed after impacting toughened glass due to the effect of the fence during the test, so that the falling of the iron balls from the test bed is avoided, operators are prevented from being injured by the falling of the iron balls, and the labor intensity of the operators is reduced by picking the balls all around.
Description
Technical Field
The invention belongs to the technical field of test instruments, and particularly relates to a glass impact tester with a protection effect.
Background
The impact test of the toughened glass is a test for testing the impact resistance of the toughened glass, and a falling ball impact tester is mostly adopted for testing the impact resistance of the toughened glass. The existing falling ball impact tester is lack of a protection device, so that an iron ball falls down to impact glass and runs around, the iron ball falls down from a test bed to easily injure operators, the operators pick up the ball around and also increase the labor intensity of the operators, and the existing falling ball impact tester is inconvenient to move.
Disclosure of Invention
The invention aims to provide a glass impact tester with a protection effect, and the glass impact tester solves the problems that an iron ball runs disorderly after impacting glass and falls off from a test bed easily to injure operators due to the fact that a protection device is lacked in the existing glass impact tester by arranging a baffle on the test bed.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a glass impact tester with a protection effect, which comprises a test bed and two first baffles;
a second baffle is fixedly arranged on one side surface of the test bed, and a guide rail is arranged on one opposite side surface of the second baffle;
the two first baffle plates are respectively provided with a sliding block matched with the guide rail, the two first baffle plates are respectively arranged on two sides of the second baffle plate in a sliding manner through the sliding blocks, and the two first baffle plates are connected through a third baffle plate;
and two telescopic mechanisms are respectively installed at the upper ends of the guide rails, and telescopic heads of the telescopic mechanisms are fixedly connected with the sliding blocks.
Furthermore, an inward first flanging is arranged at the bottom of the first baffle, a first groove is formed between the first flanging and the first baffle, the groove depth of the first groove is gradually increased along the direction far away from the second baffle, an inward second flanging is arranged at the bottom of the third baffle, a second groove is formed between the second flanging and the third baffle, the groove depth of the second groove is gradually increased from the middle to two sides, and a through hole is formed at the joint of the second groove and the first groove.
Further, the last surface mounting of test bench has the stand, the stand is close to the second baffle, the stand is carved with the scale interval along axial direction, slidable mounting has a horizontal pole on the stand, the horizontal pole is kept away from the electro-magnet is installed to the one end of stand.
Further, a third groove is formed in the lower surface of the test bed, a hydraulic electric telescopic rod and a support plate are sequentially installed on the third groove from the groove bottom to the groove opening, universal wheels are installed on one side, away from the hydraulic electric telescopic rod, of the support plate, and the support plate is slidably installed in the third groove.
Furthermore, the lower surface of the test bed is provided with an elastic gasket.
Further, the elastic gasket is a rubber block.
Further, the telescopic mechanism is an electric telescopic rod.
The invention has the following beneficial effects:
1. according to the invention, the two first baffles, the second baffle and the third baffle form a fence on the test bed, and the iron balls cannot fall off from the test bed after impacting toughened glass due to the effect of the fence during the test, so that the falling of the iron balls from the test bed is avoided, operators are prevented from being injured by the falling of the iron balls, and the labor intensity of the operators is reduced by picking the balls all around.
2. According to the invention, the first baffle is arranged to move up and down along the second baffle, so that the tempered glass can be conveniently taken and placed.
3. According to the invention, the first groove and the second groove are arranged, the groove depth of the first groove is gradually increased along the direction far away from the second baffle, the groove depth of the second groove is gradually increased from the middle part to two sides, and the through hole is arranged at the connecting part of the first groove and the second groove, so that an iron ball can roll into the through hole along the first groove and the second groove after impacting glass, and then the ball falls from the through hole, and an operator can conveniently pick up the ball.
4. The telescopic universal wheel is arranged at the lower part of the test bed, the universal wheel extends out of the test bed when the test instrument needs to be moved, the test instrument is convenient to move, the universal wheel is retracted into the test bed after the universal wheel is moved to a proper position, the test bed is contacted with the ground, and the test bed is guaranteed not to move during testing.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic perspective view of another embodiment of the present invention;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a bottom view of the present invention;
FIG. 6 is a schematic view of a portion of the universal wheel and test bed assembly of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a test bed, 2-a first baffle, 3-a second baffle, 4-a guide rail, 5-a slide block, 6-a third baffle, 7-a telescopic mechanism, 8-a first groove, 9-a second groove, 10-a through hole, 11-a vertical column, 12-a cross rod, 13-an electromagnet, 14-a third groove, 15-a hydraulic electric telescopic rod, 16-a support plate, 17-a universal wheel, 18-an elastic gasket and 19-a fourth baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "side", "sides", "end", "upper", "groove depth", "width", and the like, indicate orientations or positional relationships for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention is a glass impact tester with protection function, which comprises a test bed 1, two first baffles 2 and a telescopic mechanism 7;
the test bed 1 is cubic, one side surface of the test bed 1 is fixedly provided with a second baffle 3, and one opposite side surface of the second baffle 3 is provided with a guide rail 4;
the two first baffle plates 2 are respectively provided with a sliding block 5 matched with the guide rail 4, 8 the two first baffle plates 2 are respectively arranged on two sides of the second baffle plate 3 in a sliding way through the sliding blocks 5, and the two first baffle plates 2 are connected through a third baffle plate 6; the frame composed of the two first single plates and the third single plate can slide along the second baffle 3 by matching the guide rails 4 with the sliding blocks 5, the telescopic mechanisms 7 are two units which are respectively and fixedly installed at the upper ends of the two guide rails 4, the telescopic heads of the telescopic mechanisms 7 are fixedly connected with the sliding blocks 5, and the telescopic mechanisms 7 provide power for the sliding blocks 5 to slide along the sliding rails. The upper surface of the test bed 1 is provided with a stand column 11, the stand column 11 is close to the second baffle 3, the stand column 11 is carved with scale values along the axial direction, a cross rod 12 is slidably arranged on the stand column 11, and one end, far away from the stand column 11, of the cross rod 12 is provided with an electromagnet 13. When the device is specifically implemented, the device also comprises a controller which is electrically connected with the telescopic mechanism 7 and the electromagnet 13.
Description of the working process: when the test is needed, the controller controls the electromagnet 13 to be electrified, and at the moment, the iron ball is placed on the electromagnet 13 and is sucked. The frame that controller control telescopic machanism 7 constitutes two first baffles 2 and a third baffle 6 upwards removes along guide rail 4, so, conveniently place toughened glass on test bench 1, toughened glass puts the back, controller control telescopic machanism 7 moves down along guide rail 4 with the frame that two first baffles 2 and a third baffle 6 are constituteed, stop moving down when first baffle 2 and third baffle 6 are all apart from toughened glass 1-2cm, at this moment, the control switch of controller control electro-magnet 13 is opened, electro-magnet 13 loses magnetic force this moment, the iron ball is the toughened glass of free falling body motion on test bench 1 under the effect of gravity and is strikeed, can prevent that the iron ball from dropping from test bench 1 after striking toughened glass because of first baffle 2, second veneer and third baffle 6's effect.
the test bed 1 is cubic, a second baffle 3 is fixedly arranged on one side surface of the test bed 1, the width of the second baffle 3 is the same as or larger than that of the test bed 1, and a guide rail 4 is arranged on one opposite side surface of the second baffle 3;
the two first baffle plates 2 are respectively provided with a sliding block 5 matched with the guide rail 4, the two first baffle plates 2 are respectively arranged on two sides of the second baffle plate 3 in a sliding manner through the sliding blocks 5, and the two first baffle plates 2 are connected through a third baffle plate 6; the frame composed of the two first single plates and the third single plate can slide along the second baffle 3 by matching the guide rails 4 with the sliding blocks 5, the telescopic mechanisms 7 are two and are respectively fixedly installed at the upper ends of the two guide rails 4, and the telescopic heads of the telescopic mechanisms 7 are fixedly connected with the sliding blocks 5 and can be welded or connected through bolts during specific implementation. The telescopic mechanism 7 provides power for the sliding block 5 to slide along the sliding rail. The upper surface of the test bed 1 is provided with a stand column 11, the stand column 11 is close to the second baffle 3, the stand column 11 is carved with scale values along the axial direction, a cross rod 12 is slidably arranged on the stand column 11, and one end, far away from the stand column 11, of the cross rod 12 is provided with an electromagnet 13. When the electric telescopic rod is specifically implemented, the electric telescopic rod further comprises a controller, and the controller is electrically connected with the electric telescopic rod and the electromagnet 13. The bottom of the first baffle 2 is provided with an inward first flanging, a first groove 8 is formed between the first flanging and the first baffle 2, the groove depth of the first groove 8 along the direction far away from the second baffle 3 is gradually increased, the bottom of the third baffle 6 is provided with an inward second flanging, a second groove 9 is formed between the second flanging and the third baffle 6, the groove depth of the second groove 9 is gradually increased from the middle part to the two sides, and a through hole 10 is formed at the joint of the second groove 9 and the first groove 8. During specific implementation, the end of the first groove 8, which is far away from the second groove 9, is provided with a fourth baffle 19, which is used for preventing the iron ball from being separated from the pulley at the end of the first groove 8, which is far away from the second groove 9, and placing the collecting box below the through hole 10.
Description of the working process: when the test is needed, the controller controls the electromagnet 13 to be electrified, and at the moment, the iron ball is placed on the electromagnet 13 and is sucked. The controller controls the electric telescopic rod to move the frame consisting of the two first baffle plates 2 and the third baffle plate 6 upwards along the guide rail 4, therefore, the toughened glass is conveniently placed on the test bed 1, after the toughened glass is placed, the controller controls the telescopic mechanism 7 to move the frame consisting of the two first baffles 2 and the third baffle 6 downwards along the guide rail 4, when the lower edges of the first baffle 2 and the third baffle 6 are flush with the test stand 1 or lower than the test stand 1, at this time, the control switch of the controller control electro-magnet 13 is opened, and electro-magnet 13 loses magnetic force this moment, and the iron ball is the toughened glass who freely falls the motion under the effect of gravity and strikes on test bench 1, and the iron ball is fallen into first recess 8 or second recess 9 from test bench 1 gyro wheel after striking, and the iron ball that falls into in first recess 8 or the second recess 9 rolls into through-hole 10 along the recess, falls into the collecting box below through-hole 10 from through-hole 10. Is convenient for the next test.
The lower surface of the test bed 1 is provided with a third groove 14, the third groove 14 is sequentially provided with a hydraulic electric telescopic rod 15 and a support plate 16 from the groove bottom to the groove opening, one side of the support plate 16, far away from the hydraulic electric telescopic rod 15, is provided with a universal wheel 17, and the support plate 16 is slidably arranged in the third groove 14. During the concrete implementation, the controller is connected with hydraulic pressure electric telescopic handle 15 electricity, controller control hydraulic pressure electric telescopic handle 15 pushes out third recess 14 with universal wheel 17 when needs remove test instrument, make the bottom of universal wheel 17 and ground contact test bench 1 break away from ground, remove test instrument very easily this moment, when removing suitable position, controller control hydraulic pressure electric telescopic handle 15 makes test bench 1 and ground contact in with universal wheel 17 income third recess 14, prevent that test bench 1 from removing in the testing process from influencing the test result.
Wherein, the lower surface of the test bed 1 is provided with an elastic gasket 18. Thus, the moisture-proof effect can be achieved.
Wherein the elastic pad 18 is a rubber block.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A glass impact tester with a protection effect is characterized by comprising a test bed (1) and two first baffle plates (2);
a second baffle (3) is fixedly arranged on one side surface of the test bed (1), and a guide rail (4) is arranged on one opposite side surface of the second baffle (3);
the two first baffle plates (2) are respectively provided with a sliding block (5) matched with the guide rail (4), the two first baffle plates (2) are respectively installed on two sides of the second baffle plate (3) in a sliding mode through the sliding blocks (5), and the two first baffle plates (2) are connected through a third baffle plate (6);
the upper ends of the two guide rails (4) are respectively provided with a telescopic mechanism (7), and a telescopic head of each telescopic mechanism (7) is fixedly connected with the corresponding sliding block (5);
the bottom of the first baffle (2) is provided with an inward first flanging, a first groove (8) is formed between the first flanging and the first baffle (2), the groove depth of the first groove (8) is gradually increased along the direction far away from the second baffle (3), the bottom of the third baffle (6) is provided with an inward second flanging, a second groove (9) is formed between the second flanging and the third baffle (6), the groove depth of the second groove (9) is gradually increased from the middle to two sides, and a through hole (10) is formed at the joint of the second groove (9) and the first groove (8);
an upright post (11) is mounted on the upper surface of the test bed (1), the upright post (11) is close to the second baffle (3), scale values are carved on the upright post (11) along the axial direction, a cross rod (12) is slidably mounted on the upright post (11), and an electromagnet (13) is mounted at one end, far away from the upright post (11), of the cross rod (12);
a third groove (14) is formed in the lower surface of the test bed (1), a hydraulic electric telescopic rod (15) and a support plate (16) are sequentially mounted in the third groove (14) from the bottom of the groove to the opening of the groove, a universal wheel (17) is mounted on one side, away from the hydraulic electric telescopic rod (15), of the support plate (16), and the support plate (16) is slidably mounted in the third groove (14);
the device is characterized by further comprising a controller, the controller is electrically connected with the telescopic mechanism (7) and the electromagnets (13) in an equal mode, the controller controls the telescopic mechanism (7) to move the frame formed by the two first baffles (2) and the third baffle (6) upwards along the guide rail (4), the test bench (1) is placed on the toughened glass conveniently, after the toughened glass is placed, the controller controls the telescopic mechanism (7) to move the frame formed by the two first baffles (2) and the third baffle (6) downwards along the guide rail (4), and the first baffle (2) and the third baffle (6) stop moving downwards when being 1-2cm away from the toughened glass.
2. The glass impact tester with protection function according to claim 1, characterized in that the lower surface of the test bed (1) is provided with an elastic gasket (18).
3. A glass impact tester with protection according to claim 2, characterised in that said elastic pad (18) is a rubber block.
4. The glass impact tester with protection function according to any one of claims 1-3, characterized in that the telescoping mechanism (7) is an electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462454.9A CN108593467B (en) | 2018-05-15 | 2018-05-15 | Glass impact tester with protective effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462454.9A CN108593467B (en) | 2018-05-15 | 2018-05-15 | Glass impact tester with protective effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593467A CN108593467A (en) | 2018-09-28 |
| CN108593467B true CN108593467B (en) | 2020-07-03 |
Family
ID=63631046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462454.9A Active CN108593467B (en) | 2018-05-15 | 2018-05-15 | Glass impact tester with protective effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108593467B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470583B (en) * | 2018-12-06 | 2023-11-10 | 苏州市相城检测股份有限公司 | High-efficient safe glass impact test equipment |
| CN113109137A (en) * | 2021-05-07 | 2021-07-13 | 陈敬达 | Strength testing device for glass production |
| CN115752991A (en) * | 2022-11-21 | 2023-03-07 | 荣耀终端有限公司 | Impact testing device and impact testing system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3269386B2 (en) * | 1996-05-30 | 2002-03-25 | 富士通株式会社 | Drop test equipment |
| CN201600235U (en) * | 2010-02-10 | 2010-10-06 | 阿特斯(中国)投资有限公司 | Impact testing device for connector of photovoltaic component |
| CN201724870U (en) * | 2010-07-20 | 2011-01-26 | 阿特斯(中国)投资有限公司 | Falling ball impact peeling test device |
| CN202330151U (en) * | 2011-11-18 | 2012-07-11 | 广州市光机电技术研究院 | Fragment collection and protective device used for impact testing machine |
| CN202649059U (en) * | 2012-06-21 | 2013-01-02 | 贵州省建材产品质量监督检验院 | Glass splash prevention device of falling ball impact tester |
| CN203772660U (en) * | 2014-04-17 | 2014-08-13 | 苏州市吴江滨湖检测技术有限公司 | Novel falling ball impact testing machine for testing curtain wall glass |
| CN105004622A (en) * | 2015-04-28 | 2015-10-28 | 浙江大学 | Shock testing device of large-scale protecting glass |
| CN207095815U (en) * | 2017-08-29 | 2018-03-13 | 北京汽车研究总院有限公司 | A kind of falling ball impact test device |
-
2018
- 2018-05-15 CN CN201810462454.9A patent/CN108593467B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3269386B2 (en) * | 1996-05-30 | 2002-03-25 | 富士通株式会社 | Drop test equipment |
| CN201600235U (en) * | 2010-02-10 | 2010-10-06 | 阿特斯(中国)投资有限公司 | Impact testing device for connector of photovoltaic component |
| CN201724870U (en) * | 2010-07-20 | 2011-01-26 | 阿特斯(中国)投资有限公司 | Falling ball impact peeling test device |
| CN202330151U (en) * | 2011-11-18 | 2012-07-11 | 广州市光机电技术研究院 | Fragment collection and protective device used for impact testing machine |
| CN202649059U (en) * | 2012-06-21 | 2013-01-02 | 贵州省建材产品质量监督检验院 | Glass splash prevention device of falling ball impact tester |
| CN203772660U (en) * | 2014-04-17 | 2014-08-13 | 苏州市吴江滨湖检测技术有限公司 | Novel falling ball impact testing machine for testing curtain wall glass |
| CN105004622A (en) * | 2015-04-28 | 2015-10-28 | 浙江大学 | Shock testing device of large-scale protecting glass |
| CN207095815U (en) * | 2017-08-29 | 2018-03-13 | 北京汽车研究总院有限公司 | A kind of falling ball impact test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108593467A (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108593467B (en) | Glass impact tester with protective effect | |
| CN219980196U (en) | Electric construction safety device of power plant | |
| CN107160333A (en) | A kind of fire fighting hammer for being conveniently replaceable tup | |
| CN106512417B (en) | Rail self-adaptive cleaning frame for rail car | |
| CN209587597U (en) | A kind of mobile electrical devices cabinet with damping device | |
| CN208406003U (en) | A kind of anti-collision protection device for outdoor body-building equipment | |
| CN208872491U (en) | A kind of protective door product strength detection device | |
| CN214252354U (en) | Distributed power supply distribution network ground fault positioning test device | |
| CN208849316U (en) | A kind of power distribution cabinet of good damping effect | |
| CN210326629U (en) | Base for power cabinet with good shockproof effect | |
| CN208537322U (en) | A kind of drop impact experimental provision | |
| CN209438000U (en) | A kind of physical education vollyball smash training device | |
| CN208608584U (en) | A kind of damping device of distribution box | |
| CN208406057U (en) | A kind of game game equipment easy to remove | |
| CN112535836A (en) | Protective device for sports equipment | |
| CN208009396U (en) | A kind of vertical battering ram stabilising arrangement | |
| CN218678133U (en) | AC/DC distribution network cabinet | |
| CN213491752U (en) | Novel anti-falling protection pad with good protection performance for sports facility | |
| CN216872616U (en) | Outdoor distribution box protective structure | |
| CN206116903U (en) | Collision preventing safety type switch board | |
| CN219975232U (en) | Impact-proof device for road electromechanical engineering | |
| CN212493046U (en) | Intelligent monitoring physical experiment table | |
| CN214618746U (en) | English teaching equipment for standard pronunciation of English words | |
| CN209286615U (en) | A kind of shuttlecock training pitching robot | |
| CN204121705U (en) | Shuttlecock training board |
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 |