CN210181950U - Information display board based on big data calculation - Google Patents

Information display board based on big data calculation Download PDF

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Publication number
CN210181950U
CN210181950U CN201921019321.0U CN201921019321U CN210181950U CN 210181950 U CN210181950 U CN 210181950U CN 201921019321 U CN201921019321 U CN 201921019321U CN 210181950 U CN210181950 U CN 210181950U
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CN
China
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groups
rotating shaft
sliding block
information display
big data
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Expired - Fee Related
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CN201921019321.0U
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Chinese (zh)
Inventor
Yong Ding
丁勇
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Individual
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Individual
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Priority to CN201921019321.0U priority Critical patent/CN210181950U/en
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Abstract

The utility model relates to an information display's technical field specifically is an information display board based on big data calculus, and its convenience is cleared up the display screen when the display screen of the mainboard body falls on the dust, improves and uses the reliability. Including the mainboard body, the mainboard outside is provided with the frame, and be provided with the fixed orifices in the rear end of frame, still include fixed box, lower fixed box, two sets of driving motor, two sets of ball, go up the pivot, pivot and cleaning device down, go up fixed box and fixed box fixed mounting respectively in the top and the bottom of frame front end down, and be provided with spout and lower spout respectively in the bottom of last fixed box and the top of fixed box down, it slides respectively in spout and the lower spout and is provided with slider and lower slider to go up, still include two sets of nuts, two sets of first ball bearing, the rack, go up ball bearing, ball bearing and gear down, clean the pivot and install between last pivot and lower pivot, and cleaning device's rear end pastes tightly in the display screen of mainboard body.

Description

Information display board based on big data calculation
Technical Field
The utility model relates to an information display's technical field specifically is an information display board based on big data calculus.
Background
As is well known, an information display board based on big data calculation is an auxiliary device for displaying data by using big data calculation, and is widely used in the field of information display; the existing information display board based on big data calculation comprises a main board body, wherein a frame is arranged on the outer side of the main board body, and a fixing hole is formed in the rear end of the frame; when the existing information display board based on big data calculation is used, the frame is fixed on the wall surface through the fixing hole; present information display board based on big data calculation discovers in using, and some mainboard body place in outdoor places such as square, fall the dust easily on the display screen of mainboard body, and inconvenient eminence to the mainboard body screen is cleared up, leads to using the reliability lower.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an information display board based on big data calculus, it is convenient to clear up the display screen when the display screen of the mainboard body falls on the dust, improves and uses the reliability.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an information show board based on big data calculus, includes the mainboard body, the mainboard outside is provided with the frame to be provided with the fixed orifices in the rear end of frame, still include fixed box, lower fixed box, two sets of driving motor, two sets of ball, go up the pivot, pivot and cleaning device down, go up fixed box and fixed box fixed mounting respectively in the top and the bottom of frame front end down to be provided with spout and lower spout respectively in the bottom of last fixed box and the top of fixed box down, it slides respectively and is provided with slider and lower slider to go up the spout and slide down in the spout, be provided with the installation through-hole that link up about respectively on slider and the lower slider to all install the nut in two sets of installation through-holes, go up and all be provided with the mounting groove on the left side wall of spout and lower spout, and equal fixed mounting has first ball bearing in two sets of mounting grooves, two sets of ball's left end is threaded respectively from the right-hand member of slider and lower slider respectively and passes the nut and divide two The two groups of driving motors are respectively inserted into the two groups of first ball bearings, the two groups of driving motors are respectively arranged at the right ends of the upper fixing box and the lower fixing box, the left output ends of the two groups of driving motors respectively extend into the upper chute and the lower chute and are respectively connected with the right ends of the two groups of ball screws, the rack is arranged at the top of the front end of the frame and is positioned below the upper fixing box, the bottom end of the upper sliding block and the top end of the lower sliding block are respectively provided with an upper placing groove and a lower placing groove, the upper ball bearing and the lower ball bearing are respectively and fixedly arranged in the upper placing groove and the lower placing groove, the top end of the upper rotating shaft is inserted into the upper ball bearing from the bottom end of the upper sliding block, a gear is arranged on the upper rotating shaft, the gear is meshed with the rack, the bottom end of the lower rotating shaft is inserted into the lower ball bearing from the top, and the rear end of the cleaning device is tightly attached to the display screen of the main board body.
Preferably, the cleaning device comprises an upper connecting plate, a lower connecting plate, a square column, a square sleeve, an upper spring and a lower spring, the top end of the lower rotating shaft is connected with the bottom end of the lower connecting plate, the bottom end of the upper rotating shaft is connected with the top end of the upper connecting plate, the top end of the square column is connected with the bottom end of the upper connecting plate, the bottom end of the square column passes through the square sleeve and is connected with the top end of the lower connecting plate, the top and the bottom in the four directions sleeve pipe outside are provided with spacing board and lower limiting plate respectively, go up the spring and all overlap with the outside of square column with lower spring, the top and the bottom of going up the spring are connected with the bottom of upper junction plate and the top of last spacing board respectively, and the top and the bottom of lower spring are connected with the bottom of spacing board and the top of lower junction plate down respectively, and the sheathed tube outside in four directions is provided with the clearance brush hair, the rear end of clearance brush hair pastes tightly with the display screen of mainboard body.
Preferably, the upper rotating shaft and the upper connecting plate, and the lower rotating shaft and the lower connecting plate are detachably connected through screw nuts.
Preferably, the front end and the rear end of the upper sliding block are respectively contacted with the front side wall and the rear side wall of the upper sliding chute, and the front end and the rear end of the lower sliding block are respectively contacted with the front side wall and the rear side wall of the lower sliding chute.
Preferably, the cleaning device keeps a vertical state, the two groups of driving motors have the same model, and the two groups of driving motors are controlled by the same controller.
Preferably, the front end left side of frame is provided with the receiver, the inside of receiver is provided with places the chamber to the right-hand member at the receiver is provided with accomodates the opening, accomodate the opening part and be provided with elastic baffle.
Preferably, two groups of sealing rubber strips are arranged at the groove openings of the upper sliding groove and the lower sliding groove, a gap is reserved between the two groups of sealing rubber strips, and the upper rotating shaft and the lower rotating shaft are located at the gap of the sealing rubber strips.
Preferably, the cleaning bristles are flexible bristles, a sponge strip is arranged between the cleaning bristles, the sponge strip is clamped on the outer side of the square sleeve, and the sponge strip can be in contact with the display screen of the main board body in the rotating process.
(III) advantageous effects
Compared with the prior art, the utility model provides an information display board based on big data calculus possesses following beneficial effect:
this information show board based on big data calculation, when the display screen of the mainboard body falls on the dust, select suitable time, drive two sets of ball through two sets of driving motor respectively and rotate, cooperation through ball and nut, make slider and lower slider respectively along last spout and lower spout synchronous slip, drive cleaning device lateral shifting through last pivot and lower pivot, cooperate through rack and the epaxial gear of last pivot, make cleaning device carry out self rotation at lateral shifting's in-process, thereby clean the display screen of the mainboard body, conveniently clear up the display screen when the display screen of the mainboard body falls on the dust, improve and use the reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the enlarged structure of the part A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at B of FIG. 1 according to the present invention;
fig. 4 is a schematic structural diagram of the cross section of the square column and the square sleeve of the present invention;
fig. 5 is a schematic top view of the lower fixing box of the present invention.
In the figure: 1. a main board body; 2. a frame; 3. an upper fixing box; 4. a lower fixing box; 5. a drive motor; 6. A ball screw; 7. an upper rotating shaft; 8. a lower rotating shaft; 9. a cleaning device; 10. an upper chute; 11. a lower chute; 12. an upper slide block; 13. a lower slide block; 14. a nut; 15. a first ball bearing; 16. a rack; 17. an upper ball bearing; 18. a lower ball bearing; 19. a gear; 20. an upper connecting plate; 21. a lower connecting plate; 22. a square column; 23. a square sleeve; 24. an upper spring; 25. a lower spring; 26. an upper limiting plate; 27. A lower limiting plate; 28. cleaning the bristles; 29. a storage box; 30. an elastic baffle plate; 31. sealing rubber strips; 32. A sponge strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the information display board based on big data calculation of the present invention includes a main board body 1, a frame 2 is disposed outside the main board body 1, and a fixing hole is disposed at the rear end of the frame 2; the cleaning device comprises an upper fixing box 3, a lower fixing box 4, two groups of driving motors 5, two groups of ball screws 6, an upper rotating shaft 7, a lower rotating shaft 8 and a cleaning device 9, wherein the upper fixing box 3 and the lower fixing box 4 are respectively and fixedly arranged at the top and the bottom of the front end of a frame 2, an upper chute 10 and a lower chute 11 are respectively arranged at the bottom end of the upper fixing box 3 and the top end of the lower fixing box 4, an upper slide block 12 and a lower slide block 13 are respectively and slidably arranged in the upper chute 10 and the lower chute 11, the front end and the rear end of the upper slide block 12 are respectively contacted with the front side wall and the rear side wall of the upper chute 10, the front end and the rear end of the lower slide block 13 are respectively contacted with the front side wall and the rear side wall of the lower chute 11, the stability of the upper slide block 12 and the lower slide block 13 during sliding is ensured, mounting through holes which are respectively communicated from left to right, the left side walls of the upper chute 10 and the lower chute 11 are both provided with mounting grooves, and first ball bearings 15 are fixedly mounted in the two sets of mounting grooves, the left ends of the two sets of ball screws 6 are respectively screwed from the right ends of the upper chute 12 and the lower chute 13 through two sets of nuts 14 and are respectively inserted into the two sets of first ball bearings 15, two sets of driving motors 5 are respectively mounted at the right ends of the upper fixing box 3 and the lower fixing box 4, the left output ends of the two sets of driving motors 5 respectively extend into the upper chute 10 and the lower chute 11 and are respectively connected with the right ends of the two sets of ball screws 6, the top of the front end of the frame 2 is provided with a rack 16, the rack 16 is positioned below the upper fixing box 3, the bottom end of the upper chute 12 and the top end of the lower chute 13 are respectively provided with an upper placing groove and a lower placing groove, and an upper ball bearing 17 and a lower ball bearing 18 are respectively fixedly mounted in the, the top end of the upper rotating shaft 7 is inserted into the upper ball bearing 17 from the bottom end of the upper sliding block 12, a gear 19 is arranged on the upper rotating shaft 7, the gear 19 is meshed with a rack 16, the bottom end of the lower rotating shaft 8 is inserted into the lower ball bearing 18 from the top end of the lower sliding block 13, the cleaning device is arranged between the upper rotating shaft 7 and the lower rotating shaft 8, the rear end of the cleaning device 9 is tightly attached to the display screen of the main board body 1, when dust falls on the display screen of the main board body 1, proper time is selected, two groups of ball screws 6 are respectively driven to rotate through two groups of driving motors 5, the upper sliding block 12 and the lower sliding block 13 synchronously slide along the upper sliding groove 10 and the lower sliding groove 11 respectively through the matching of the ball screws 6 and nuts 14, the cleaning device 9 is driven to transversely move through the upper rotating shaft 7 and the lower rotating shaft 8, the rack 16 is matched with the gear 19 on the upper rotating shaft 7, so that the cleaning, thereby clean the display screen of mainboard body 1, conveniently clear up the display screen when the display screen of mainboard body 1 falls the dust, improve and use the reliability, the notch department of going up chute 10 and lower chute 11 all is provided with two sets of joint strip, leave the clearance between two sets of joint strip, go up pivot 7 and lower pivot 8 and be located joint strip's clearance department, seal up the notch of chute 10 and lower chute 11 through two sets of joint strip, prevent that the dust from getting into in spout 10 and the lower chute 11.
The utility model relates to an information display board based on big data calculation, cleaning device 9 includes upper junction plate 20, lower junction plate 21, square column 22, square sleeve 23, upper spring 24 and lower spring 25, the top of lower rotating shaft 8 is connected with the bottom of lower junction plate 21, the bottom of upper rotating shaft 7 is connected with the top of upper junction plate 20, the top of square column 22 is connected with the bottom of upper junction plate 20, the bottom of square column 22 passes square sleeve 23 and is connected with the top of lower junction plate 21, upper rotating shaft 7 and upper junction plate 20, lower rotating shaft 8 and lower junction plate 21 are all detachably connected through screw nut 14, the top and bottom of the outer side of square sleeve 23 are respectively provided with upper limiting plate 26 and lower limiting plate 27, upper spring 24 and lower spring 25 are all sleeved with the outer side of square column 22, the top and bottom of upper spring 24 are respectively connected with the bottom of upper junction plate 20 and the top of upper limiting plate 26, the top end and the bottom end of the lower spring 25 are respectively connected with the bottom end of the lower limiting plate 27 and the top end of the lower connecting plate 21, cleaning bristles 28 are arranged on the outer side of the square sleeve 23, the rear ends of the cleaning bristles 28 are tightly attached to the display screen of the main plate body 1, the cleaning bristles 28 are flexible bristles, sponge strips are arranged among the cleaning bristles 28 and clamped on the outer side of the square sleeve 23 and can be contacted with the display screen of the main plate body 1 in the rotating process, the upper rotating shaft 7 rotates in the transverse movement process through the matching of the gear 19 and the rack 16, the upper rotating shaft 7 drives the upper connecting plate 20 and the square column 22, the lower connecting plate 21 and the lower rotating shaft 8 to rotate, the square column 22 drives the square sleeve 23 to rotate, and the square sleeve 23 vertically shakes in the rotating and transverse movement processes through the matching of the upper spring 24 and the upper limiting plate 26 and the matching of the lower spring 25 and the lower limiting plate 27, further improve the clearance effect to the mainboard body 1 display screen, through the cooperation of sponge strip and clearance brush hair 28, further guarantee the clearance effect to the mainboard body 1 display screen.
In the information display board based on big data calculation, the cleaning device 9 keeps a vertical state, the models of the two groups of driving motors 5 are the same, and the two groups of driving motors 5 are controlled by the same controller; the stability of the sweeping device 9 in the transverse movement is ensured.
The utility model discloses an information display board based on big data calculation, the left side of the front end of the frame 2 is provided with a storage box 29, the interior of the storage box 29 is provided with a placing cavity, the right end of the storage box 29 is provided with a storage opening, and the storage opening is provided with an elastic baffle; cleaning device 9 can be moved into storage box 29 for storage at ordinary times, so that cleaning device 9 is prevented from being polluted by dust, and the elastic baffle can be automatically opened by the extrusion of cleaning device 9.
The utility model discloses an information display board based on big data calculation, when using, when the display screen of the mainboard body 1 falls on the dust, select suitable time, drive two sets of ball 6 rotation respectively through two sets of driving motor 5, through the cooperation of ball 6 and nut 14, make top shoe 12 and lower slider 13 respectively along last spout 10 and lower spout 11 synchronous slip, drive cleaning device 9 lateral shifting through upper rotating shaft 7 and lower rotating shaft 8, through rack 16 and the cooperation of the gear 19 on the upper rotating shaft 7, make cleaning device 9 carry out self-rotation in the course of lateral shifting, thus clean the display screen of the mainboard body 1, conveniently clear up the display screen when the display screen of the mainboard body 1 falls on the dust, improve the reliability of use, through the cooperation of gear 19 and rack 16, make top rotating shaft 7 rotate during lateral shifting, the upper rotating shaft 7 drives the upper connecting plate 20, the square column 22, the lower connecting plate 21 and the lower rotating shaft 8 to rotate, the square column 22 drives the square sleeve 23 to rotate, and the square sleeve 23 can swing up and down during rotation and transverse movement through the matching of the upper spring 24 and the upper limit plate 26 and the matching of the lower spring 25 and the lower limit plate 27, so as to further improve the cleaning effect on the display screen of the main board body 1, through the matching of the sponge strip and the cleaning brush bristles 28, the cleaning effect on the display screen of the main board body 1 is further ensured, the cleaning device 9 can be moved into the storage box 29 for storage at ordinary times, the cleaning device 9 is prevented from being polluted by dust, the elastic baffle can be automatically opened by the extrusion of the cleaning device 9, the driving motor can be electrically connected with a remote control system, the driving motors are remotely controlled, and the driving motors of a plurality of groups of main board bodies can be controlled through a control system.
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.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an information display board based on big data calculation, includes the mainboard body (1), mainboard body (1) outside is provided with frame (2) to be provided with fixed orifices, its characterized in that at the rear end of frame (2): the cleaning device is characterized by further comprising an upper fixing box (3), a lower fixing box (4), two groups of driving motors (5), two groups of ball screws (6), an upper rotating shaft (7), a lower rotating shaft (8) and a cleaning device (9), wherein the upper fixing box (3) and the lower fixing box (4) are respectively and fixedly arranged at the top and the bottom of the front end of the frame (2), an upper sliding groove (10) and a lower sliding groove (11) are respectively arranged at the bottom end of the upper fixing box (3) and the top end of the lower fixing box (4), an upper sliding block (12) and a lower sliding block (13) are respectively and slidably arranged in the upper sliding groove (10) and the lower sliding groove (11), mounting through holes which are communicated from left to right are respectively arranged on the upper sliding block (12) and the lower sliding block (13), nuts (14) are respectively arranged in the two groups of the mounting through holes, mounting grooves are respectively arranged on the left side walls of the upper sliding groove (10) and the lower sliding groove (11), the left ends of the two groups of ball screws (6) respectively penetrate through two groups of nuts (14) from the right ends of the upper sliding block (12) and the lower sliding block (13) in a threaded mode and are respectively inserted into the two groups of first ball bearings (15), the two groups of driving motors (5) are respectively installed at the right ends of the upper fixing box (3) and the lower fixing box (4), the left output ends of the two groups of driving motors (5) respectively extend into the upper sliding groove (10) and the lower sliding groove (11) and are respectively connected with the right ends of the two groups of ball screws (6), a rack (16) is arranged at the top of the front end of the frame (2), the rack (16) is located below the upper fixing box (3), the bottom end of the upper sliding block (12) and the top end of the lower sliding block (13) are respectively provided with an upper placing groove and a lower placing groove, and an upper ball bearing (17) and a lower ball bearing (18) are respectively and fixedly installed in the upper placing groove, go up the top of pivot (7) inside inserting supreme ball bearing (17) from the bottom of upper sliding block (12) to be provided with gear (19) on last pivot (7), gear (19) and rack (16) meshing, the bottom of pivot (8) inserts to ball bearing (18) inside down from the top of lower sliding block (13) down, cleaning device (9) are installed in last pivot (7) and down between pivot (8) to the rear end of cleaning device (9) is pasted tightly in the display screen of mainboard body (1).
2. The information display board based on big data calculation of claim 1, wherein: the cleaning device (9) comprises an upper connecting plate (20), a lower connecting plate (21), a square column (22), a square sleeve (23), an upper spring (24) and a lower spring (25), wherein the top end of a lower rotating shaft (8) is connected with the bottom end of the lower connecting plate (21), the bottom end of an upper rotating shaft (7) is connected with the top end of the upper connecting plate (20), the top end of the square column (22) is connected with the bottom end of the upper connecting plate (20), the bottom end of the square column (22) penetrates through the square sleeve (23) and is connected with the top end of the lower connecting plate (21), the top and the bottom of the outer side of the square sleeve (23) are respectively provided with an upper limiting plate (26) and a lower limiting plate (27), the outer sides of the square column (22) are sleeved with the upper spring (24) and the lower spring (25), and the top and the bottom ends of the upper spring (24) are respectively connected with the bottom end of the upper connecting plate (20) and the top end of the, the top and the bottom of lower spring (25) are connected with the bottom of lower limiting plate (27) and the top of lower connecting plate (21) respectively, and the outside of square sleeve pipe (23) is provided with clearance brush hair (28), the rear end of clearance brush hair (28) pastes closely with the display screen of mainboard body (1).
3. The information display board based on big data calculation of claim 1, wherein: the upper rotating shaft (7) is detachably connected with the upper connecting plate (20), and the lower rotating shaft (8) is detachably connected with the lower connecting plate (21) through screw nuts (14).
4. The information display board based on big data calculation of claim 1, wherein: the front end and the rear end of the upper sliding block (12) are respectively contacted with the front side wall and the rear side wall of the upper sliding chute (10), and the front end and the rear end of the lower sliding block (13) are respectively contacted with the front side wall and the rear side wall of the lower sliding chute (11).
5. The information display board based on big data calculation of claim 1, wherein: the cleaning device (9) is kept in a vertical state, the models of the two groups of driving motors (5) are the same, and the two groups of driving motors (5) are controlled by the same controller.
6. The information display board based on big data calculation of claim 1, wherein: the storage box (29) is arranged on the left side of the front end of the frame (2), the storage cavity is formed in the storage box (29), a storage opening is formed in the right end of the storage box (29), and an elastic baffle (30) is arranged at the storage opening.
7. The information display board based on big data calculation of claim 1, wherein: the groove openings of the upper sliding groove (10) and the lower sliding groove (11) are provided with two groups of sealing rubber strips (31), a gap is reserved between the two groups of sealing rubber strips (31), and the upper rotating shaft (7) and the lower rotating shaft (8) are located in the gap of the sealing rubber strips (31).
8. An information display board based on big data calculation according to claim 2, characterized in that: the cleaning bristles (28) are flexible bristles, sponge strips (32) are arranged among the cleaning bristles (28), the sponge strips (32) are clamped on the outer side of the square sleeve (23), and the sponge strips (32) can be in contact with a display screen of the main plate body (1) in the rotating process.
CN201921019321.0U 2019-07-02 2019-07-02 Information display board based on big data calculation Expired - Fee Related CN210181950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921019321.0U CN210181950U (en) 2019-07-02 2019-07-02 Information display board based on big data calculation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921019321.0U CN210181950U (en) 2019-07-02 2019-07-02 Information display board based on big data calculation

Publications (1)

Publication Number Publication Date
CN210181950U true CN210181950U (en) 2020-03-24

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Application Number Title Priority Date Filing Date
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CN (1) CN210181950U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111554213A (en) * 2020-05-19 2020-08-18 钟明峰 Advertisement putting device for municipal works
CN111932959A (en) * 2020-08-13 2020-11-13 郑州师范学院 Reading machine for reciting practice
CN111938314A (en) * 2020-08-08 2020-11-17 马鞍山师范高等专科学校 Teleconference component structure based on digital media
CN112531590A (en) * 2020-12-04 2021-03-19 娄底市迪芬特科技有限公司 Wiring harness device for computer network management
CN112517458A (en) * 2020-12-04 2021-03-19 安徽文香信息技术有限公司 LED information board for smart campus based on cleaning mechanism and cleaning method thereof
CN113974384A (en) * 2021-11-04 2022-01-28 浙江星星冷链集成股份有限公司 Horizontal open air curtain cabinet with good refrigeration effect
CN116021164A (en) * 2023-02-15 2023-04-28 奥可利电子(昆山)有限公司 Thermocouple plastic cap laser carving equipment

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111554213A (en) * 2020-05-19 2020-08-18 钟明峰 Advertisement putting device for municipal works
CN111938314A (en) * 2020-08-08 2020-11-17 马鞍山师范高等专科学校 Teleconference component structure based on digital media
CN111932959A (en) * 2020-08-13 2020-11-13 郑州师范学院 Reading machine for reciting practice
CN112531590A (en) * 2020-12-04 2021-03-19 娄底市迪芬特科技有限公司 Wiring harness device for computer network management
CN112517458A (en) * 2020-12-04 2021-03-19 安徽文香信息技术有限公司 LED information board for smart campus based on cleaning mechanism and cleaning method thereof
CN113974384A (en) * 2021-11-04 2022-01-28 浙江星星冷链集成股份有限公司 Horizontal open air curtain cabinet with good refrigeration effect
CN113974384B (en) * 2021-11-04 2023-03-21 浙江星星冷链集成股份有限公司 Horizontal open air curtain cabinet with good refrigeration effect
CN116021164A (en) * 2023-02-15 2023-04-28 奥可利电子(昆山)有限公司 Thermocouple plastic cap laser carving equipment

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