CN209644293U - Experimental operation table is practiced based on Siemens 1200PLC - Google Patents
Experimental operation table is practiced based on Siemens 1200PLC Download PDFInfo
- Publication number
- CN209644293U CN209644293U CN201821769505.4U CN201821769505U CN209644293U CN 209644293 U CN209644293 U CN 209644293U CN 201821769505 U CN201821769505 U CN 201821769505U CN 209644293 U CN209644293 U CN 209644293U
- Authority
- CN
- China
- Prior art keywords
- rectangular
- laboratory table
- installation frame
- shaped
- slide plate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model, which is provided, practices experimental operation table based on Siemens 1200PLC, comprising: laboratory table, castor, locker, drawout cubicle, host computer, mouse bracket, sliding sleeve, slide plate, support wheel, support rod, seat plate, escape port, real training operation bench, installation frame, locking knob, limiting slot, limited block;Laboratory table is rectangular, and the bottom of laboratory table is bolted the castor of rectangular array everywhere;Left side inside laboratory table is fixed with rectangular-shaped locker by screw, and rectangular-shaped drawout cubicle is provided on the right side of locker, and drawout cubicle is fixedly connected with laboratory table by screw;The utility model has simple and reasonable, and there is the bench for capableing of pull and real training to hang case installation frame, occupies that exterior space is small, and easy for operation, installation training hangs the advantages that case number is more, to go wrong in effective solution existing apparatus and insufficient.
Description
Technical field
The utility model relates to PLC practical traning platform technical fields, more specifically, more particularly to based on Siemens 1200PLC
Practice experimental operation table.
Background technique
With the rapid development of China's science and technology, production automation degree is increasingly improved, PLC, man-machine interface and frequency conversion
Device has obtained extremely wide application in the every field of industrial automatic control, and the one kind for becoming industrial automatic control is strong
Strong utility.The comprehensive PLC practical traning platform that case is hung with the replaceable real training of drawer type, can constantly improve learner
Manipulative ability and solving practical problems ability, while can assist in the professional engineering of the electrical of enterprise, instrument automation
Technical staff better grasps and uses PLC, man-machine interface and converter technology, and improves operation, maintenance and integrated application
Etc. levels of skill, enhance the technical strength of enterprise.
Siemens's S7-1200 controller realizes modularization and compact design, powerful, investment security, in PLC reality
In the installation process for instructing platform, which saves valuable space, provides peak efficiency and maximum is flexible
Property, the modular concept of expansible compact automation realizes easy communication, effective technical assignment solution, and
A series of independent automation demanding can be fully met.
The real training operation bench of existing PLC practical traning platform top installation, installation training hangs the number of case in existing space
Less and most PLC practical traning platform is not provided with the bench of drawing and pulling type, and in PLC programming, user of service needs outside searching
Stool, it appears be more troublesome, waste time.
In view of this, being studied improvement for existing problem, the practice experiment behaviour based on Siemens 1200PLC is provided
Make platform, it is intended to by the technology, achieve the purpose that solve the problems, such as and improve practical value.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide practicing experimental operation table based on Siemens 1200PLC
The real training operation bench of the existing PLC practical traning platform top installation proposed in background technique, installation training is hung in existing space
The number of case is less, and most PLC practical traning platform is not provided with the bench of drawing and pulling type, and in PLC programming, user of service needs
Stool outside finding, it appears the problem of being more troublesome, wasting time and deficiency.
To achieve the above object, the utility model, which is provided, practices experimental operation table based on Siemens 1200PLC, by with
Lower particular technique means are reached:
Experimental operation table is practiced based on Siemens 1200PLC, comprising: laboratory table, castor, locker, drawout cubicle, computer
Host, mouse bracket, sliding sleeve, slide plate, support wheel, support rod, seat plate, escape port, real training operation bench, installation frame, locking rotating
Button, limiting slot, limited block;The laboratory table is rectangular, and the bottom of laboratory table has been bolted everywhere in rectangle battle array
The castor of column;Left side inside the laboratory table is fixed with rectangular-shaped locker, and the right side setting of locker by screw
There is rectangular-shaped drawout cubicle, and drawout cubicle is fixedly connected with laboratory table by screw;The right of the drawout cubicle is provided with electricity
Brain server, and host computer is placed on the inside of laboratory table;It is provided with above the drawout cubicle and host computer rectangular-shaped
Mouse bracket, and mouse bracket leads to drawer rail and is flexibly connected with laboratory table;Position is set between the drawout cubicle and host computer
It is equipped with the sliding sleeve of square tube type, and sliding sleeve is fixed by screws in the bottom inside laboratory table, and square is offered at the top of sliding sleeve
The limiting slot of shape;The inside of the sliding sleeve is inlaid with rectangular-shaped slide plate, and the top on rear side of slide plate be welded with it is rectangular-shaped
Limited block;Rectangular-shaped escape port is provided with below the slide plate, and escape port is provided with the front side of laboratory table bottom;It is described
Bottom on front side of slide plate has been bolted support wheel, and the top on front side of slide plate is welded with the support rod of arc shape, and
Rectangular-shaped seat plate is welded at the top of support rod;Rear side at the top of the laboratory table is equipped with rectangular-shaped real training operation bench,
And the two sides of real training operation bench are inlaid with installation frame, and the two sides of real training operation bench bottom rear pass through screw thread twist-on
There is locking knob.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
Slide plate side view described in platform is L-shaped, and slide plate is set as the first drawing device by transition fit mode and sliding sleeve.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
Installation frame side view described in platform is in [shape, and installation frame is set as the second pumping by transition fit mode and real training operation bench
Drawing device, and the top of installation frame is tilted to the rear of laboratory table in 3-5 degree.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
Installation frame described in platform is made by bending circular pipe, and to offer strip anti-skidding for the outer wall of the vertical portion of installation frame
Line;Horizontal component below the installation frame and locking knob are in correspondence, and the front end face and installing frame of locking knob
The outer wall of horizontal component below frame is flexibly connected, and locking knob with the screw thread engagement system of real training operation bench by being arranged
For the locking device of installation frame.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
The top of drawout cubicle and host computer described in platform and the bottom of mouse bracket are provided with the interval of 5-10CM.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
Castor described in platform and support wheel are disposed as the universal caster wheel with self-locking function, and the bottom of castor and support wheel is in same
Horizontal plane.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
Escape port described in platform and slide plate are in clearance fit, and the length of escape port side view is consistent with the length of castor side view.
As advanced optimizing for the technical program, the utility model practices experimental implementation based on Siemens 1200PLC's
The inside of limiting slot is arranged in limited block described in platform, and limited block and limiting slot are set as limit dress by gap fiting mode
It sets.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the utility model is L-shaped by setting slide plate side view, and slide plate is arranged by transition fit mode and sliding sleeve
For the first drawing device, being conducive to seat plate can be stored by the cooperation of slide plate and sliding sleeve to the inside of testing stand, and be pulled out
Shi Zuowei bench uses, flexible and convenient operation.
2, the utility model by setting installation frame side view in [shape, and installation frame by transition fit mode with
Real training operation bench is set as the second drawing device, is conducive to install real training extension case additional by installing frame, manipulate compared to traditional real training
The number that platform platform installation training hangs case is more, and is not take up space after installation frame push-in real training operation bench.
3, the utility model is by having structure letter to the improvement for practicing experimental operation table based on Siemens 1200PLC
Single rationally to there is the bench for capableing of pull and real training to hang case installation frame, occupancy exterior space is small, easy for operation, installation
Real training hangs the advantages that case number is more, thus the problem of effective solution the utility model proposes in background technique one and not
Foot.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the axis geodesic structure schematic diagram of the utility model;
Fig. 2 is the diagrammatic side-view cross-sectional structural schematic diagram of the utility model;
Fig. 3 is the utility model A point structure schematic diagram;
Fig. 4 is the first drawing device of the utility model axis geodesic structure schematic diagram.
In figure: laboratory table 1, castor 2, locker 3, drawout cubicle 4, host computer 5, mouse bracket 6, sliding sleeve 7, slide plate 8, branch
Support wheel 9, support rod 10, seat plate 11, escape port 12, real training operation bench 13, installation frame 14, locking knob 15, limiting slot 701,
Limited block 801.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a;The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 4, the utility model, which is provided, practices the specific of experimental operation table based on Siemens 1200PLC
Implementer's case:
Practice experimental operation table based on Siemens 1200PLC, comprising: laboratory table 1, castor 2, locker 3, drawout cubicle 4,
Host computer 5, mouse bracket 6, sliding sleeve 7, slide plate 8, support wheel 9, support rod 10, seat plate 11, escape port 12, real training operation bench
13, installation frame 14, locking knob 15, limiting slot 701, limited block 801;Laboratory table 1 is rectangular, and the bottom of laboratory table 1
It is bolted the castor 2 of rectangular array everywhere;Left side inside laboratory table 1 is fixed with rectangular-shaped storage by screw
Object cabinet 3, and the right side of locker 3 is provided with rectangular-shaped drawout cubicle 4, and drawout cubicle 4 is fixed with laboratory table 1 by screw
Connection;The right of drawout cubicle 4 is provided with host computer 5, and host computer 5 is placed on the inside of laboratory table 1;Drawout cubicle 4 and electricity
The top of brain server 5 is provided with rectangular-shaped mouse bracket 6, and mouse bracket 6 leads to drawer rail and is flexibly connected with laboratory table 1;
Position is provided with the sliding sleeve 7 of square tube type between drawout cubicle 4 and host computer 5, and sliding sleeve 7 is fixed by screws in laboratory table 1
The bottom in portion, and the top of sliding sleeve 7 offers rectangular-shaped limiting slot 701;The inside of sliding sleeve 7 is inlaid with rectangular-shaped slide plate
8, and the top of 8 rear side of slide plate is welded with rectangular-shaped limited block 801;The lower section of slide plate 8 is provided with rectangular-shaped escape port 12,
And escape port 12 is provided with the front side of 1 bottom of laboratory table;The bottom of 8 front side of slide plate has been bolted support wheel 9, and slide plate
The top of 8 front sides is welded with the support rod 10 of arc shape, and the top of support rod 10 is welded with rectangular-shaped seat plate 11;Experiment
The rear side at 1 top of table is equipped with rectangular-shaped real training operation bench 13, and the two sides of real training operation bench 13 are inlaid with installation frame
14, and the two sides of 13 bottom rear of real training operation bench pass through screw thread twist-on locking knob 15.
Specifically, referring to Fig. 2,8 side view of slide plate is L-shaped, and slide plate 8 is arranged by transition fit mode and sliding sleeve 7
For the first drawing device, seat plate 11 realizes that the function of storage with pull-out, flexible and convenient operation are being write by the first drawing device
When PLC program, seat plate 11 is used as bench, when the soft cushion of the top of seat plate 11 installation, keeps sitting posture more comfortable.
Specifically, referring to Figure 1,14 side view of installation frame in [shape, and installation frame 14 by transition fit mode with
Real training operation bench 13 is set as the second drawing device, hangs by pulling out installation frame 14, and in its innermost insert installation training
Case is conducive to increase the installation number that real training hangs case, and installation frame 14 is not take up outside when being accommodated in real training 13 inside of operation bench
Space, and referring to fig. 2, the top of installation frame 14 is tilted to the rear of laboratory table 1 in 3-5 degree, avoid real training hang case with
Installation frame 14 is detached from, and prevents damage real training from hanging case.
Specifically, referring to Figure 1, installation frame 14 is made by bending circular pipe, and the vertical portion of installation frame 14
The outer wall divided offers strip anti-skid chequer, is conducive to the pulling motion of installation frame 14;Fig. 2 is referred to, under installation frame 14
The horizontal component and locking knob 15 of side are in correspondence, and the level of the front end face of locking knob 15 and the lower section of installation frame 14
Partial outer wall is flexibly connected, and locking knob 15 is set as installing frame by the screw thread engagement system with real training operation bench 13
The locking device of frame 14 is conducive to the locking of 14 position of installation frame.
Specifically, extremely scheming referring to Figure 1,2, the bottom at the top and mouse bracket 6 of drawout cubicle 4 and host computer 5 is arranged
There is the interval of 5-10CM, seat plate 11 is divided between described and is pulled out and active interval when storage operation.
Specifically, referring to Fig. 2, castor 2 and support wheel 9 are disposed as the universal caster wheel with self-locking function, and castor 2
It is in same level with the bottom of support wheel 9, support construction is formed by support wheel 9, increases the bearing capacity of slide plate 8.
Specifically, referring to Fig. 3, escape port 12 and slide plate 8 are in clearance fit, and referring to fig. 2, the length of 12 side view of escape port
Degree is consistent with the length of 2 side view of castor, and the bottom of 8 front side of slide plate is flushed with the bottom surface of testing stand 1.
Specifically, referring to Fig. 3, the inside of limiting slot 701, and limited block 801 and limiting slot is arranged in limited block 801
701 are set as limiting device by gap fiting mode, limit the distance that slide plate 8 is moved forward and backward by the limiting device.
Specific implementation step:
When 13 installation training of real training operation bench hangs the position deficiency of case, pass through the anti-skidding of the vertical portion of installation frame 14
Installation frame 14 is extracted out from the side of real training operation bench 13, then real training is hung to the inside of case insertion installation frame 14 by line structure;
When needing to sit down, hold seat plate 11 and be pulled along, slide plate 8 sliding sleeve 7 inside forward slip, and by limiting slot 701 with
The cooperation of limited block 801, limitation slide plate 8 is forward at a distance from sliding backward.
In summary: experimental operation table should be practiced based on Siemens 1200PLC, it is L-shaped by setting slide plate side view,
And slide plate is set as the first drawing device by transition fit mode and sliding sleeve, is conducive to the cooperation that seat plate passes through slide plate and sliding sleeve
It is used when can store to the inside of testing stand, and pull out as bench, flexible and convenient operation;By the way that installation frame side is arranged
Depending in [shape, and installation frame is set as the second drawing device by transition fit mode and real training operation bench, is conducive to pass through
Installing frame installs real training additional and hangs case, more compared to the number that traditional real training operation bench platform installation training hangs case, and installation frame is pushed into
Space is not take up after real training operation bench;The utility model is by practicing changing for experimental operation table to based on Siemens 1200PLC
Into, have it is simple and reasonable, have be capable of pull bench and real training hang case installation frame, occupy exterior space it is small, operation
Easy to use, installation training hangs the advantages that case number is more, to go wrong in effective solution existing apparatus and insufficient.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. practicing experimental operation table based on Siemens 1200PLC, comprising: laboratory table (1), castor (2), locker (3), drawer
Cabinet (4), host computer (5), mouse bracket (6), sliding sleeve (7), slide plate (8), support wheel (9), support rod (10), seat plate (11),
Escape port (12), real training operation bench (13), installation frame (14), locking knob (15), limiting slot (701), limited block (801);
It is characterized by: the laboratory table (1) is rectangular, and the bottom of laboratory table (1) has been bolted everywhere in rectangle battle array
The castor (2) of column;The internal left side of the laboratory table (1) is fixed with rectangular-shaped locker (3) by screw, and locker
(3) it is provided on the right side of rectangular-shaped drawout cubicle (4), and drawout cubicle (4) is fixedly connected with laboratory table (1) by screw;Institute
The right for stating drawout cubicle (4) is provided with host computer (5), and host computer (5) is placed on the inside of laboratory table (1);The pumping
Be provided with rectangular-shaped mouse bracket (6) above chest of drawers (4) and host computer (5), and mouse bracket (6) lead to drawer rail with
Laboratory table (1) is flexibly connected;Position is provided with the sliding sleeve (7) of square tube type between the drawout cubicle (4) and host computer (5), and
Sliding sleeve (7) is fixed by screws in the internal bottom of laboratory table (1), and offers rectangular-shaped limit at the top of sliding sleeve (7)
Slot (701);The inside of the sliding sleeve (7) is inlaid with rectangular-shaped slide plate (8), and the top on rear side of slide plate (8) is welded with rectangle
The limited block (801) of shape;It is provided with rectangular-shaped escape port (12) below the slide plate (8), and escape port (12) is provided with
The front side of laboratory table (1) bottom;Bottom on front side of the slide plate (8) has been bolted support wheel (9), and before slide plate (8)
It is welded with the support rod (10) of arc shape at the top of side, and is welded with rectangular-shaped seat plate (11) at the top of support rod (10);
Rear side at the top of the laboratory table (1) is equipped with rectangular-shaped real training operation bench (13), and the two sides of real training operation bench (13) are equal
It is inlaid with installation frame (14), and the two sides of real training operation bench (13) bottom rear pass through screw thread twist-on and have locking knob
(15)。
2. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: the cunning
Plate (8) side view is L-shaped, and slide plate (8) is set as the first drawing device by transition fit mode and sliding sleeve (7).
3. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: the peace
Frame (14) side view that frames up is in [shape, and installation frame (14) is set as the by transition fit mode and real training operation bench (13)
Two drawing devices, and the top of installation frame (14) is tilted to the rear of laboratory table (1) in 3-5 degree.
4. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: the peace
The frame (14) that frames up is made by bending circular pipe, and to offer strip anti-skidding for the outer wall of the vertical portion of installation frame (14)
Line;Horizontal component and locking knob (15) below the installation frame (14) are in correspondence, and before locking knob (15)
End face is flexibly connected with the outer wall of the horizontal component below installation frame (14), and locking knob (15) with real training by manipulating
The screw thread engagement system of platform (13) is set as the locking device of installation frame (14).
5. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: the pumping
The bottom of the top of chest of drawers (4) and host computer (5) and mouse bracket (6) is provided with the interval of 5-10CM.
6. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: the foot
Wheel (2) and support wheel (9) are disposed as the universal caster wheel with self-locking function, and castor (2) and the bottom of support wheel (9) are in
Same level.
7. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: described to keep away
Allow mouth (12) and slide plate (8) in clearance fit, and the length of escape port (12) side view is consistent with the length of castor (2) side view.
8. according to claim 1 practice experimental operation table based on Siemens 1200PLC, it is characterised in that: the limit
Position block (801) is arranged in the inside of limiting slot (701), and limited block (801) is set with limiting slot (701) by gap fiting mode
It is set to limiting device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821769505.4U CN209644293U (en) | 2018-10-30 | 2018-10-30 | Experimental operation table is practiced based on Siemens 1200PLC |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821769505.4U CN209644293U (en) | 2018-10-30 | 2018-10-30 | Experimental operation table is practiced based on Siemens 1200PLC |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209644293U true CN209644293U (en) | 2019-11-19 |
Family
ID=68506053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821769505.4U Expired - Fee Related CN209644293U (en) | 2018-10-30 | 2018-10-30 | Experimental operation table is practiced based on Siemens 1200PLC |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209644293U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112216160A (en) * | 2020-09-30 | 2021-01-12 | 河南林业职业学院 | Chinese language and literature auxiliary teaching device |
CN112515359A (en) * | 2020-11-27 | 2021-03-19 | 江门市新会区博上科技有限公司 | Electronic information computer lab platform of controlling convenient to use |
-
2018
- 2018-10-30 CN CN201821769505.4U patent/CN209644293U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112216160A (en) * | 2020-09-30 | 2021-01-12 | 河南林业职业学院 | Chinese language and literature auxiliary teaching device |
CN112515359A (en) * | 2020-11-27 | 2021-03-19 | 江门市新会区博上科技有限公司 | Electronic information computer lab platform of controlling convenient to use |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209644293U (en) | Experimental operation table is practiced based on Siemens 1200PLC | |
CN204636858U (en) | Respiratory Medicine Multifunctional first-aid vehicle | |
CN209609415U (en) | A kind of edible fungi inoculation rack for test tube | |
CN106074017B (en) | Rack on first aid stretcher | |
CN106251744A (en) | A kind of high school physics tapper coordinates instrument | |
CN210873220U (en) | Drainage frame for large internal medicine department | |
CN213012027U (en) | Bottled water physical circulating device that disinfects and keeps fresh | |
CN208639865U (en) | A kind of trapezoidal Practical training table with fixation case | |
CN209314183U (en) | A kind of IDC computer room immersion liquid cooling apparatus | |
CN202659527U (en) | Dual-support desk type and floor type fan | |
CN218907094U (en) | Can dismantle special luggage rack of car as a house fast | |
CN208692581U (en) | A kind of embedded coffee machine guide rail structure | |
CN206214300U (en) | For the rack on first aid stretcher | |
CN201968215U (en) | Sleeper bed with mosquito net support | |
CN203029399U (en) | Novel thyroid surgery instrument tray easy to mount | |
CN219591030U (en) | Double-deck expandable engineering cost data display board of engineering cost | |
CN206566146U (en) | Novel internal medicine nursing pallet | |
CN203709637U (en) | Operation chair with tool kit | |
CN220756853U (en) | Simple PID operation table | |
CN204707779U (en) | A kind of mesh screen being applicable to intertidal zone elutriation zoobenthos sample prescription | |
CN208821924U (en) | One kind sliding up and down device | |
CN204351931U (en) | A kind of aseptic isolation operating coat is auxiliary wears clothes hanger | |
CN203507049U (en) | Automatic stretchable-type leg plate locking structure | |
CN212493043U (en) | Chemical simulation experiment operation panel | |
CN203634222U (en) | Neck endoscopic surgery cavity maker |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20201030 |