CN112406369A - Data recording board for safety evaluation - Google Patents

Data recording board for safety evaluation Download PDF

Info

Publication number
CN112406369A
CN112406369A CN202011482537.8A CN202011482537A CN112406369A CN 112406369 A CN112406369 A CN 112406369A CN 202011482537 A CN202011482537 A CN 202011482537A CN 112406369 A CN112406369 A CN 112406369A
Authority
CN
China
Prior art keywords
fixed mounting
data recording
rod
telescopic rod
mounting
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.)
Pending
Application number
CN202011482537.8A
Other languages
Chinese (zh)
Inventor
张洛铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Hetai Safety And Health Evaluation And Monitoring Co ltd
Original Assignee
Tianjin Hetai Safety And Health Evaluation And Monitoring Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Hetai Safety And Health Evaluation And Monitoring Co ltd filed Critical Tianjin Hetai Safety And Health Evaluation And Monitoring Co ltd
Priority to CN202011482537.8A priority Critical patent/CN112406369A/en
Publication of CN112406369A publication Critical patent/CN112406369A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/04Easels or stands for blackboards or the like

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

The invention discloses a data recording plate for safety evaluation, which comprises an installation plate, a telescopic rod mechanism and a rotating mechanism, wherein the telescopic rod mechanism is fixedly installed at the bottom of the installation plate, the top of the installation plate is provided with the rotating mechanism, the top of the installation plate is fixedly connected with a base, the bottom of the telescopic rod mechanism is fixedly provided with an anti-slip pad, the top of the base is fixedly provided with an adjusting mechanism, the top of the adjusting mechanism is fixedly provided with a recording plate, the top of the recording plate is fixedly provided with a hanging frame, and the bottom of the hanging frame is fixedly connected with a fixing clamp. The invention has the effect of adjusting the height to adapt to different terrains and different heights of users.

Description

Data recording board for safety evaluation
Technical Field
The invention relates to the technical field of data recording tools, in particular to a data recording plate for safety evaluation.
Background
Safety evaluation, also known as "risk evaluation" or "risk evaluation", a method and a technique for ascertaining system risks and seeking safety countermeasures, an important component of safety system engineering, aims to grasp possible types of risks, risk degrees and risk consequences in a system before establishing necessary safety measures, and performs quantitative and qualitative analysis on the possible types of risks, the risk degrees and the risk consequences, so as to provide effective risk control measures, and can use accident rate evaluation indexes, and can also use an engineering method for evaluation, such as evaluation through business analysis, experimental methods, simulation methods, reliability measurement, action time research and the like, and the safety evaluation is divided into the following steps according to different implementation stages: the safety pre-evaluation, the safety acceptance evaluation and the safety status evaluation are carried out, the data record refers to a complete group of related information corresponding to one line of information in a data source, and when the safety evaluation is carried out, the result of quantitative analysis, the proposed danger control measure and the evaluation result can be recorded in the data record board by using the data record board, so that the safety pre-evaluation, the safety acceptance evaluation and the safety status evaluation are prevented from being forgotten.
Because the advantages of the data recording plate, it is used when the safety evaluation is carried out at present, because the place needing the safety evaluation is generally outdoors, the outdoor terrain is uncertain, so the data recording plate needs to be carried, but the existing data recording plate has large volume, is inconvenient to carry, can not adapt to various outdoor terrains, is not stable or even collapses when being erected outdoors for use, brings great inconvenience to users, and the general data recording plate can only use special paper for recording when in use, can not adapt to paper with different sizes, and limits the universality of the data recording plate.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a data recording sheet for security evaluation.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a data recording board for safety evaluation usefulness, includes mounting panel, telescopic link mechanism and slewing mechanism, telescopic link mechanism fixed mounting is in the bottom of mounting panel, the top of mounting panel is provided with slewing mechanism.
Telescopic link mechanism comprises dead lever, telescopic link, fastening bolt, limiting plate, stopper, screw thread, telescopic link mechanism's top fixed mounting has the dead lever, the bottom fixedly connected with telescopic link of dead lever, the middle part fixed mounting of telescopic link has fastening bolt, the top fixed mounting of telescopic link has the limiting plate, the middle part fixed mounting of dead lever has the stopper, fastening bolt's surface is seted up threadedly, through installing telescopic link mechanism, can make the height of this data recording board can adjust, makes its adaptation different topography and different user's height.
Slewing mechanism comprises bull stick, upper boom, gasket one, lower beam, gasket two, slewing mechanism's middle part fixed mounting has the bull stick, the surperficial left end fixed mounting of bull stick has the upper boom, the right side fixed mounting of upper boom has the lower beam, the junction both sides fixed mounting of upper boom and bull stick has gasket one, lower beam and the junction both sides fixed mounting of bull stick have gasket two, through installing slewing mechanism, can make this data recording board can rotate certain angle, make it adapt to various observation record modes, produce frictional force through the extrusion between gasket one and gasket two and the bull stick and make the data recording board can stop to fix at arbitrary angle, can not remove at will.
Preferably, the top fixedly connected with base of mounting panel, telescopic link mechanism's bottom fixed mounting has the slipmat, the top fixed mounting of base has adjustment mechanism, adjustment mechanism's top fixed mounting has the record board, the top fixed mounting of record board has the frame of hanging, the bottom fixedly connected with fixation clamp of frame of hanging.
Preferably, the connecting part of the fixed rod and the fastening bolt is provided with a thread matched with the thread arranged on the surface of the fastening bolt, the connecting part of the telescopic rod and the fastening bolt is provided with a thread matched with the thread arranged on the surface of the fastening bolt, and the telescopic rod mechanism can adjust the length of the telescopic rod by rotating the fastening bolt through threaded connection, so that the telescopic rod mechanism can adapt to heights of various terrains and different users.
Preferably, the adjusting mechanism is composed of an adjusting block, a reset spring, a first magnet and a second magnet, the reset spring is fixedly mounted at the bottom of the adjusting mechanism, the adjusting blocks are fixedly mounted at two sides of the adjusting mechanism, the first magnet is fixedly mounted at the top end of the adjusting block, the second magnet is fixedly mounted at the top of the reset spring, the positive and negative poles of the first magnet and the second magnet are opposite and mutually attracted, and the width of the data recording board can be adjusted by mounting the adjusting mechanism, so that the data recording board can be suitable for different paper sheets, and the universality of the data recording board is improved.
Preferably, the top fixed mounting of fixation clamp has the connecting rod, the rubber pad has been cup jointed to the bottom of connecting rod, the bottom fixed mounting of fixation clamp has the pull rod, the top of connecting rod and the bottom fixed connection who hangs the frame make placing of this data recording board more firm through installing the rubber pad, can not skid, and the fixation clamp can press from both sides tight paper, can not drop.
Preferably, the number of the telescopic rod mechanisms is three, and the telescopic rod mechanisms are all fixedly installed at the bottom of the installation plate.
Preferably, the bottom fixed mounting of slipmat has anti-skidding line, and anti-skidding line can be applicable to any topography, can not skid because of the humidity, fixed mounting has the construction bolt between mounting panel and the base, and the construction bolt makes this data recording board installation compacter.
Compared with the prior art, the invention has the following beneficial effects:
1. the height of the data recording plate can be adjusted by installing the telescopic rod mechanism, so that the data recording plate can adapt to different terrains and different heights of users, and after the telescopic rod mechanism is retracted, the volume of the data recording plate is reduced, so that the data recording plate can be carried more conveniently.
2. The data recording plate can rotate a certain angle by installing the rotating mechanism, so that the data recording plate is suitable for various observation and recording modes, and the data recording plate can be stopped and fixed at any angle and cannot move randomly by generating friction force through extrusion between the first gasket, the second gasket and the rotating rod.
3. The width of the data recording plate can be adjusted by installing the adjusting mechanism, the adjusting block is pulled to drive the reset spring to elongate, the magnet I and the magnet II are separated by the pulling force, the adjusting block is loosened after paper plates with different widths are installed, the reset spring is reset, and the paper plates are continuously clamped, so that the paper clamping device is suitable for different paper sheets, and the universality is improved.
4. The data recording board is more stably placed by installing the anti-slip pads and the anti-slip lines, so that the data recording board is suitable for any terrain and cannot slip due to moisture.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the telescopic rod mechanism of the invention.
Fig. 3 is a schematic structural diagram of the rotating mechanism of the present invention.
Fig. 4 is a schematic view of the mounting plate structure of the present invention.
Fig. 5 is a schematic structural diagram of the adjusting mechanism of the present invention.
Fig. 6 is a schematic view of the fixing clip structure of the present invention.
FIG. 7 is a schematic view of the non-slip mat of the present invention.
In the figure: 1, mounting a plate; 2, a telescopic rod mechanism; 201 fixing the rod; 202, a telescopic rod; 203 fastening bolts; 204, limiting plate; 205 a limiting block; 206 thread; 3, a base; 301 mounting bolts; 4, an adjusting mechanism; 401 a regulating block; 402 a return spring; 403, a first magnet; 404 a magnet II; 5 recording the board; 6, a rotating mechanism; 601 rotating a rod; 602, feeding a rod; 603 shim one; 604 lowering the rod; 605 a second spacer; 7 hanging a frame; 8, fixing a clamp; 801 connecting rod; 802 rubber pads; 803 a pull rod; 9 a non-slip mat; 901 slip resistant threads.
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.
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a data recording board for safety evaluation usefulness, includes mounting panel 1, telescopic link mechanism 2 and slewing mechanism 6, and telescopic link mechanism 2 fixed mounting is in the bottom of mounting panel 1, and the top of mounting panel 1 is provided with slewing mechanism 6.
Telescopic link mechanism 2 is by dead lever 201, telescopic link 202, fastening bolt 203, limiting plate 204, limiting block 205, screw thread 206 is constituteed, telescopic link mechanism 2's top fixed mounting has dead lever 201, the bottom fixedly connected with telescopic link 202 of dead lever 201, telescopic link 202's middle part fixed mounting has fastening bolt 203, telescopic link 202's top fixed mounting has limiting plate 204, the middle part fixed mounting of dead lever 201 has limiting block 205, fastening bolt 203's surface has seted up screw thread 206, through installing telescopic link mechanism 2, can make this data recording board highly can adjust, make its adaptation different topography and different user's height.
The rotating mechanism 6 comprises a rotating rod 601, an upper rod 602, a first gasket 603, a lower rod 604 and a second gasket 605, the rotating rod 601 is fixedly installed in the middle of the rotating mechanism 6, the upper rod 602 is fixedly installed at the left end of the surface of the rotating rod 601, the lower rod 604 is fixedly installed on the right side of the upper rod 602, the first gaskets 603 are fixedly installed on two sides of the joint of the upper rod 602 and the rotating rod 601, the second gaskets 605 are fixedly installed on two sides of the joint of the lower rod 604 and the rotating rod 601, the data recording plate can rotate by a certain angle through the installation of the rotating mechanism 6, and can adapt to various observation recording modes, and the data recording plate can be stopped and fixed at any angle and cannot move randomly through friction force generated by extrusion between the first gaskets 603 and the second gaskets 605 and the rotating rod 601.
The top of the mounting plate 1 is fixedly connected with a base 3, the bottom of the telescopic rod mechanism 2 is fixedly provided with an anti-skid pad 9, the top of the base 3 is fixedly provided with an adjusting mechanism 4, the top of the adjusting mechanism 4 is fixedly provided with a recording plate 5, the top of the recording plate 5 is fixedly provided with a hanging frame 7, the bottom of the hanging frame 7 is fixedly connected with a fixing clamp 8, the joint of the fixing rod 201 and the fastening bolt 203 is provided with a thread matched with a thread 206 arranged on the surface of the fastening bolt 203, the telescopic rod mechanism 2 can adjust the length of the telescopic rod 202 by rotating the fastening bolt 203 through threaded connection, so that the telescopic rod 202 adapts to the heights of various terrains and different users, the joint of the telescopic rod 202 and the fastening bolt 203 is provided with a thread matched with the thread 206 arranged on the surface of the fastening bolt 203, the adjusting mechanism is composed of an adjusting block 401, the bottom of the adjusting mechanism 4 is fixedly provided with a return spring 402, two sides of the adjusting mechanism 4 are fixedly provided with adjusting blocks 401, the top end of each adjusting block 401 is fixedly provided with a first magnet 403, the top of the return spring 402 is fixedly provided with a second magnet 404, the positive and negative poles of the first magnet 403 and the second magnet 404 are opposite and mutually attract, the adjusting mechanism 4 is arranged to enable the data recording plate to be adjustable in width and applicable to different papers and increase the universality, the top of the fixing clamp 8 is fixedly provided with a connecting rod 801, the bottom of the connecting rod 801 is sleeved with a rubber pad 802, the bottom of the fixing clamp 8 is fixedly provided with a pull rod 803, the top of the connecting rod 801 is fixedly connected with the bottom of the hanging frame 7, and the data recording plate is more stably placed and cannot slip due to the rubber pad 9, the fixing clamp 8 can clamp the papers and cannot fall off, and the number of the three, equal fixed mounting is in the bottom of mounting panel 1, and the bottom fixed mounting of slipmat 9 has anti-skidding line 901, and fixed mounting has mounting bolt 301 between mounting panel 1 and the base 3, and mounting bolt 301 makes this data recording board installation compacter.
The working principle of the invention is as follows: when the data recording plate for safety evaluation is used, firstly, the fastening bolt 203 is rotated, the length of the telescopic rod 202 is adjusted to a proper position, the fastening bolt 203 is screwed, the telescopic rod mechanism 2 is fixed, the device can be stably placed, the adjusting block 401 is pulled, the reset spring 402 can be driven to stretch, the first magnet 403 and the second magnet 404 are separated through tensile force, after paperboards with different widths are installed, the adjusting block 401 is loosened, the reset spring 402 is reset, the paperboards are clamped continuously, the upper rod 602 in the rotating mechanism 6 is rotated, the data recording plate is rotated to a certain angle, the data recording plate can be fixed at any angle by friction force generated by extrusion between the first gasket 603 and the second gasket 605 and the rotating rod 601, the paper cannot move randomly, and then the paper is fixed by the fixing clamp 8, and data recording can be started.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A data record board for safety assessment usefulness, includes mounting panel (1), telescopic link mechanism (2) and slewing mechanism (6), its characterized in that: the telescopic rod mechanism (2) is fixedly arranged at the bottom of the mounting plate (1), and the top of the mounting plate (1) is provided with a rotating mechanism (6);
the telescopic rod mechanism (2) is composed of a fixing rod (201), a telescopic rod (202), a fastening bolt (203), a limiting plate (204), a limiting block (205) and a thread (206), the fixing rod (201) is fixedly installed at the top of the telescopic rod mechanism (2), the telescopic rod (202) is fixedly connected to the bottom of the fixing rod (201), the fastening bolt (203) is fixedly installed in the middle of the telescopic rod (202), the limiting plate (204) is fixedly installed at the top of the telescopic rod (202), the limiting block (205) is fixedly installed in the middle of the fixing rod (201), and the thread (206) is formed in the surface of the fastening bolt (203);
slewing mechanism (6) comprise bull stick (601), upper boom (602), gasket one (603), lower beam (604), gasket two (605), the middle part fixed mounting of slewing mechanism (6) has bull stick (601), the surperficial left end fixed mounting of bull stick (601) has upper boom (602), the right side fixed mounting of upper boom (602) has lower beam (604), the junction both sides fixed mounting of upper boom (602) and bull stick (601) has gasket one (603), the junction both sides fixed mounting of lower beam (604) and bull stick (601) has gasket two (605).
2. A data recording sheet for security evaluation according to claim 1, characterized in that: the utility model discloses a take the picture of the building, including mounting panel (1), the top fixedly connected with base (3) of mounting panel (1), the bottom fixed mounting of telescopic link mechanism (2) has slipmat (9), the top fixed mounting of base (3) has adjustment mechanism (4), the top fixed mounting of adjustment mechanism (4) has recording plate (5), the top fixed mounting of recording plate (5) has and hangs frame (7), hang bottom fixedly connected with fixation clamp (8) of frame (7).
3. A data recording sheet for security evaluation according to claim 1, characterized in that: the connecting part of the fixing rod (201) and the fastening bolt (203) is provided with a thread matched with the thread (206) arranged on the surface of the fastening bolt (203), and the connecting part of the expansion rod (202) and the fastening bolt (203) is provided with a thread matched with the thread (206) arranged on the surface of the fastening bolt (203).
4. A data recording sheet for security evaluation according to claim 2, characterized in that: adjustment mechanism comprises regulating block (401), reset spring (402), magnet (403), magnet two (404), the bottom fixed mounting of adjustment mechanism (4) has reset spring (402), the both sides fixed mounting of adjustment mechanism (4) has regulating block (401), the top fixed mounting of regulating block (401) has magnet one (403), the top fixed mounting of reset spring (402) has magnet two (404), the positive negative pole of magnet one (403) and magnet two (404) is opposite, attracts each other.
5. A data recording sheet for security evaluation according to claim 2, characterized in that: the top fixed mounting of fixation clamp (8) has connecting rod (801), rubber pad (802) have been cup jointed to the bottom of connecting rod (801), the bottom fixed mounting of fixation clamp (8) has pull rod (803), the top of connecting rod (801) and the bottom fixed connection who hangs frame (7).
6. A data recording sheet for security evaluation according to claim 1, characterized in that: the number of the telescopic rod mechanisms (2) is three, and the telescopic rod mechanisms are fixedly arranged at the bottom of the mounting plate (1).
7. A data recording sheet for security evaluation according to claim 2, characterized in that: the anti-skid mat is characterized in that anti-skid grains (901) are fixedly mounted at the bottom of the anti-skid mat (9), and mounting bolts (301) are fixedly mounted between the mounting plate (1) and the base (3).
CN202011482537.8A 2020-12-16 2020-12-16 Data recording board for safety evaluation Pending CN112406369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011482537.8A CN112406369A (en) 2020-12-16 2020-12-16 Data recording board for safety evaluation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011482537.8A CN112406369A (en) 2020-12-16 2020-12-16 Data recording board for safety evaluation

Publications (1)

Publication Number Publication Date
CN112406369A true CN112406369A (en) 2021-02-26

Family

ID=74775845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011482537.8A Pending CN112406369A (en) 2020-12-16 2020-12-16 Data recording board for safety evaluation

Country Status (1)

Country Link
CN (1) CN112406369A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2199932C1 (en) * 2001-10-23 2003-03-10 Кузнецов Валерий Викторович Information frame
CN207670058U (en) * 2017-07-03 2018-07-31 张家港市佑达建设工程有限公司 A kind of drafting road section figure drawing support device
CN208634203U (en) * 2018-07-20 2019-03-22 东莞市淘金滩金属制品有限公司 A kind of composite gasket shaft
CN110326906A (en) * 2019-07-17 2019-10-15 温州商学院 A kind of portable environment design drawing rack
CN209691111U (en) * 2019-01-18 2019-11-26 铜仁学院 A kind of law knowledge displaying device
CN211299113U (en) * 2019-12-20 2020-08-21 李金芹 Drawing mount for engineering cost

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2199932C1 (en) * 2001-10-23 2003-03-10 Кузнецов Валерий Викторович Information frame
CN207670058U (en) * 2017-07-03 2018-07-31 张家港市佑达建设工程有限公司 A kind of drafting road section figure drawing support device
CN208634203U (en) * 2018-07-20 2019-03-22 东莞市淘金滩金属制品有限公司 A kind of composite gasket shaft
CN209691111U (en) * 2019-01-18 2019-11-26 铜仁学院 A kind of law knowledge displaying device
CN110326906A (en) * 2019-07-17 2019-10-15 温州商学院 A kind of portable environment design drawing rack
CN211299113U (en) * 2019-12-20 2020-08-21 李金芹 Drawing mount for engineering cost

Similar Documents

Publication Publication Date Title
CN206428879U (en) A kind of adjustable environmentally friendly grid ceiling
CN112406369A (en) Data recording board for safety evaluation
CA2559673A1 (en) Bracket for hanging banner on vertical pole
CN208830189U (en) A kind of municipal construction warning sign
CN116337379A (en) On-site detection equipment for shock resistance of pipeline hanger assembly
CN205909964U (en) A frock for playing strip knot pressure detection
CN208207229U (en) A kind of seismic survey instrument fixed system
CN206608693U (en) A kind of multimedia teaching suspension arrangement
CN210179268U (en) Power supply display panel mounting structure suitable for stand
CN206458962U (en) A kind of para-seismic support being easily installed
CN207007199U (en) A kind of device that GIS barrel body ray detection focal length is determined using laser range finder
CN216846218U (en) Settlement deformation observation device
CN220680588U (en) Mucous membrane anchor clamps
CN218623701U (en) Safety protective guard fixing device for building construction
CN212137172U (en) Bracket for cable bridge
CN220303253U (en) Positioning device for security monitoring installation
CN214397902U (en) Information warping device for real estate cost
CN213204844U (en) Prevent glass steel grating fixed knot of off tracking structure
CN221196544U (en) Anti-seismic hanging bracket convenient to adjust
CN216922743U (en) Connecting structure for installing hanging fence
CN218412452U (en) Wall-mounted environment monitor capable of preventing falling
CN219038699U (en) Reinforcing bar detector for building engineering
CN215981879U (en) Network safety protection device easy to assemble
CN210088408U (en) Intelligent teaching training evaluation device
CN206336915U (en) A kind of pull rod device for being used to install lifting pallet

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210226