CN110833256A - Device capable of keeping desktop in horizontal state - Google Patents

Device capable of keeping desktop in horizontal state Download PDF

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Publication number
CN110833256A
CN110833256A CN201911190011.XA CN201911190011A CN110833256A CN 110833256 A CN110833256 A CN 110833256A CN 201911190011 A CN201911190011 A CN 201911190011A CN 110833256 A CN110833256 A CN 110833256A
Authority
CN
China
Prior art keywords
adjusting
fixedly connected
table top
tube
desktop
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.)
Withdrawn
Application number
CN201911190011.XA
Other languages
Chinese (zh)
Inventor
钟彪
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.)
Huzhou Yongwei Home Technology Co Ltd
Original Assignee
Huzhou Yongwei Home Technology 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 Huzhou Yongwei Home Technology Co Ltd filed Critical Huzhou Yongwei Home Technology Co Ltd
Priority to CN201911190011.XA priority Critical patent/CN110833256A/en
Publication of CN110833256A publication Critical patent/CN110833256A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A47B13/00Details of tables or desks
    • A47B13/02Underframes
    • 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
    • A47B9/00Tables with tops of variable height
    • A47B9/02Tables with tops of variable height with balancing device, e.g. by springs, by weight
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00Testing static or dynamic balance of machines or structures
    • G01M1/30Compensating unbalance
    • 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
    • A47B2200/00General construction of tables or desks
    • A47B2200/0084Accessories for tables or desks

Abstract

The invention relates to the technical field of furniture and discloses a device capable of keeping a desktop in a horizontal state, which comprises a desktop, wherein the bottom of the desktop is fixedly connected with a supporting rod, the bottom of the supporting rod is fixedly connected with an adjusting sleeve, the bottom of the adjusting sleeve is provided with an adjusting foot, a gravity hammer is arranged inside the desktop, one side of the desktop is fixedly connected with an inflation tube, each part of the desktop is fixedly connected with an annular tube, the inside of the desktop is slidably connected with a contact block, and the outer side of the annular tube is fixedly connected with a circulation tube and an adjusting tube. After the desktop reaches the horizontal state, the pressure of the gravity hammer on the contact block on the inclined side is restored to a set value, the contact block rebounds towards the gravity hammer direction under the action of the elastic spring, the contact block is separated from the closing slide block, the closing slide block is closed, the channel between the adjusting pipe and the annular pipe is closed, and therefore the purpose that the desktop is automatically placed horizontally is achieved.

Description

Device capable of keeping desktop in horizontal state
Technical Field
The invention relates to the technical field of furniture, in particular to a device capable of keeping a desktop in a horizontal state.
Background
Furniture refers to a large range of essential appliances and facilities for human beings to maintain normal life, engage in production practice and develop social activities, and the furniture is continuously developed and innovated along with the foot steps of the times, so that the furniture is various in types, different in materials, complete in variety and different in purposes.
The use of table chair is most frequent in the furniture, and common desk is being put the level that the in-process kept the desk as far as possible and is being placed, needs carry out the debugging that relapses to the supporting legs of desk, finally just can reach relative level effect, and its debugging process is too loaded down with trivial details, and the back is accomplished in the debugging, if needs move the desk position, needs to debug the desk again and guarantee the desktop and keep the level, is unfavorable for frequently moving the desk.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device capable of keeping a desktop in a horizontal state, which has the advantages of keeping the desktop horizontal, improving the mobility of the desk and the like, and solves the problems that the desktop horizontal is not easy to adjust and the desk needs to be debugged again after moving.
Technical scheme
In order to achieve the purposes of keeping the desktop horizontal and improving the mobility of the desk, the invention provides the following technical scheme: a device capable of keeping a desktop in a horizontal state comprises a desktop, wherein a supporting rod is fixedly connected to the bottom of the desktop, an adjusting sleeve is fixedly connected to the bottom of the supporting rod, adjusting feet are installed at the bottom of the adjusting sleeve, a gravity hammer is arranged inside the desktop, an inflation tube is fixedly connected to one side of the desktop, each annular tube is fixedly connected to each desktop, a contact block is slidably connected to the inside of the desktop, a circulating tube and an adjusting tube are fixedly connected to the outer side of each annular tube, an air storage bag is installed inside each annular tube, an adjusting slider and a pressure block are slidably connected to the inside of each circulating tube, a closed slider is slidably connected to the inside of each adjusting tube, a sliding rod is fixedly connected to the bottom of each adjusting foot, a gear is meshed to the side surface of each sliding rod, a connecting tube is fixedly connected to the inside of each fixing sleeve, and, one side of the lock rod close to the gear is fixedly connected with a rack, and the side surface of the rack is fixedly connected with an elastic spring.
Preferably, a one-way valve rod is installed inside the inflation tube, and the inflation tube is connected with the annular tube.
Preferably, the contact block is in contact with the gravity hammer, and one side of the contact block, which is far away from the gravity hammer, is fixedly connected with an elastic spring.
Preferably, a groove is formed in the side face of the adjusting sliding block, a convex block is mounted on the outer side of the pressure block, and the groove is matched with the convex block.
Preferably, when the two closing sliders are in contact, the passage between the adjusting pipe and the annular pipe is closed.
Preferably, the sliding rod is connected with the adjusting pipe in a sliding mode.
Preferably, the gear is matched with the rack.
Preferably, one side of the sliding rod, which is close to the gear, is provided with teeth, and the teeth are meshed with the gear.
Advantageous effects
Compared with the prior art, the invention provides a device capable of keeping a desktop in a horizontal state, which has the following beneficial effects:
1. this can make desktop keep horizontality's device, after the desktop reached the horizontality, the pressure of gravity hammer to the contact piece of slope side recovered the setting value, made contact piece kick-back to gravity hammer direction under elastic spring's effect, contact piece and closed slider break away from the contact, made between the closed slider closed, the passageway between governing pipe and the ring type pipe is closed to the purpose that has reached to make the desktop automatically reach the level and place.
2. When the desktop reaches the horizontal state, the pressure between each contact block and the gravity hammer is equal, so that the air pressure of the inner cavity of the side of each contact block far away from the gravity hammer is a fixed value, when the desktop reaches a balanced state, the adjusting slide block moves to a state of being completely embedded with the pressure block under the action of air pressure, at the moment, the pressure block can reach the maximum stroke of sliding towards the direction of the adjusting slide block, the air pressure in the circulating pipe reaches the minimum, the circulating pipe is communicated with the connecting pipe, so that the air pressure in the connecting pipe is minimized, the influence of the air pressure in the connecting pipe on the lock rod is minimized, the contraction elastic force of the elastic spring on the lock rod is larger than the pressure of air, the lock rod and the rack slide towards the direction of the elastic spring, the rack is in contact engagement with the gear, the position of the slide rod is locked, and the aim that the desktop is not influenced by the external pressure after being balanced is achieved.
3. This can make the desktop keep the device of horizontality, if ground produces vibrations, make the desktop produce the slope, gravity hammer and contact balance between the piece suffer destruction, make contact block produce and remove, contact block keeps away from the atmospheric pressure in the inner chamber of gravity hammer one side and changes, lead to adjusting between slider and the pressure block can not the complete meshing, thereby lead to the atmospheric pressure in the connecting tube to be less than all the time and be greater than the minimum, make locking lever and rack receive the atmospheric pressure effect and the gear break away from the contact in the connecting tube, thereby relieve the locking to the slide bar, make and adjust the foot and receive the intraductal gaseous reverse acting force to adjusting the foot of circulation when receiving ground vibrations, reduce the desktop and receive the influence of ground vibrations, thereby the purpose of the anti-seismic performance of improvement desktop has been reached.
3. This can make desktop keep horizontal state's device, when removing the desk, because the gas storage bag in-storage has a large amount of gases, can carry out automatically regulated to the slide bar in each adjusting sleeve through the gas of gas storage in the gas storage bag after making the desktop remove once more, only need inflate once through the gas tube to the ring type intraductal requirement that just can keep the desktop to carry out the in-process that removes many times all the time, the condition that the desktop need carry out horizontal debugging once more after removing has been avoided, the convenience and the practicality that the horizontal desktop used have been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structural gravity hammer of the present invention;
FIG. 3 is a schematic view of the structure of the loop pipe of the present invention;
FIG. 4 is a schematic view of the structure of the regulator tube of the present invention;
FIG. 5 is a schematic view of an adjusting sleeve according to the present invention;
FIG. 6 is a schematic view of the locking bar construction of the present invention;
FIG. 7 is a schematic view of the structure of the inflation tube of the present invention.
In the figure: 1. a desktop; 2. a support bar; 3. adjusting the foot; 4. a gravity hammer; 5. an inflation tube; 6. an annular tube; 7. a contact block; 8. a flow-through tube; 9. an adjusting tube; 10. a gas storage bag; 11. adjusting the sliding block; 12. a pressure block; 13. closing the slider; 14. a slide bar; 15. an adjusting sleeve; 16. a gear; 17. a connecting pipe; 18. a lock lever; 19. a rack; 20. an elastic spring.
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, a device capable of keeping a desktop in a horizontal state comprises a desktop 1, a support rod 2 is fixedly connected to the bottom of the desktop 1, an adjusting sleeve 15 is fixedly connected to the bottom of the support rod 2, an adjusting foot 3 is installed at the bottom of the adjusting sleeve 15, a gravity hammer 4 is arranged inside the desktop 1, an inflation tube 5 is fixedly connected to one side of the desktop 1, a one-way valve rod is installed inside the inflation tube 5, the inflation tube 5 is connected to a loop tube 6, each loop tube 6 is fixedly connected to each portion of the desktop 1, a contact block 7 is slidably connected to the inside of the desktop 1, the contact block 7 is in contact with the gravity hammer 4, an elastic spring 20 is fixedly connected to one side of the contact block 7 away from the gravity hammer 4, a circulation tube 8 and an adjusting tube 9 are fixedly connected to the outer side of the loop tube 6, an air storage bag 10 is installed inside the loop tube 6, an adjusting, when the desktop 1 reaches the balanced state, the adjusting slide block 11 moves to the state of being completely embedded with the pressure block 12 under the action of air pressure, at the moment, the pressure block 12 can reach the maximum stroke of sliding towards the direction of the adjusting slide block 11, the air pressure in the circulating pipe 8 reaches the minimum, because the circulating pipe 8 is communicated with the connecting pipe 17, the air pressure in the connecting pipe 17 reaches the minimum, the lock rod 18 is influenced by the action of the air pressure in the connecting pipe 17 to the minimum, the side surface of the adjusting slide block 11 is provided with a groove, a convex block is installed on the outer side of the pressure block 12, and the groove is matched with the convex block.
The inside sliding connection of control tube 9 has closed slider 13, when two closed sliders 13 contact, the passageway between control tube 9 and the ring type pipe 6 is closed, the bottom fixedly connected with slide bar 14 of regulation foot 3, sliding connection between slide bar 14 and the control tube 9, the side meshing of slide bar 14 has gear 16, the tooth has been seted up to one side that slide bar 14 is close to gear 16, the tooth meshes with gear 16, the inside fixedly connected with connecting pipe 17 of fixed cover, the inside sliding connection of connecting pipe 17 has locking lever 18, one side fixedly connected with rack 19 that is close to gear 16 of locking lever 18, looks adaptation between gear 16 and the rack 19, the side fixed connection of rack 19 has elastic spring 20.
When the table is used, air is pumped into the inflation tube 5, so that the air pressure in the annular tube 6 communicated with the inflation tube 5 is raised, and by utilizing the vertical downward gravity action of the gravity hammer 4, when the table top 1 is not in a horizontal state, the gravity hammer 4 and the table top 1 are in a deviated state, so that the balance state between the gravity hammer 4 and the contact block 7 is damaged, the pressure on the inclined side of the table top 1, which is applied by the gravity hammer 4, is increased, the contact block 7 on the inclined side of the table top 1 slides towards the annular tube 6 under the action of the gravity hammer 4, one side of the contact block 7, which is close to the closed slide block 13, generates pressure on the closed slide block 13, the closed slide block 13 slides outwards, so that a channel between the adjusting tube 9 and the annular tube 6 is opened, the air in the annular tube 6 flows towards the adjusting tube 9 on the inclined side of the table top 1, generates pressure on the slide rod 14, the slide rod 14 is pushed to move downwards, the, the inclined side of the table top 1 is continuously lifted, after the table top 1 reaches a horizontal state, the pressure of the gravity hammer 4 on the contact block 7 on the inclined side is recovered to a set value, the contact block 7 rebounds towards the gravity hammer 4 under the action of the elastic spring 20, the contact block 7 is separated from contact with the closing slide block 13, the closing slide block 13 is closed, a channel between the adjusting pipe 9 and the annular pipe 6 is closed, and therefore the purpose that the table top 1 is automatically placed horizontally is achieved.
When the desktop 1 reaches the horizontal state, the pressure between each contact block 7 and the gravity hammer 4 is equal, so that the air pressure of the inner cavity of each contact block 7 at the side far away from the gravity hammer 4 is a fixed value, when the table top 1 reaches the balance state, the adjusting slide block 11 moves to the state of being completely embedded with the pressure block 12 under the action of the air pressure, at the moment, the pressure block 12 can reach the maximum stroke of sliding towards the direction of the adjusting slide block 11, the air pressure in the circulating pipe 8 reaches the minimum, because the circulating pipe 8 is communicated with the connecting pipe 17, the air pressure in the connecting pipe 17 is minimized, the influence of the air pressure in the connecting pipe 17 on the lock rod 18 is minimized, the contraction elastic force of the elastic spring 20 on the lock rod 18 is larger than the pressure of air, the lock rod 18 and the rack 19 slide towards the elastic spring 20, the rack 19 is in contact engagement with the gear 16, the position of the slide rod 14 is locked, and the aim that the tabletop 1 is not influenced by the external pressure after being balanced is achieved.
If the ground vibrates, the tabletop 1 is inclined, the balance between the gravity hammer 4 and the contact block 7 is destroyed, the contact block 7 moves, the air pressure in the inner cavity of the side, far away from the gravity hammer 4, of the contact block 7 changes, and the adjusting slide block 11 and the pressure block 12 cannot be completely meshed, so that the air pressure in the connecting pipe 17 is always smaller than the minimum value, the lock rod 18 and the rack 19 are separated from the gear 16 under the action of the air pressure in the connecting pipe 17, the locking of the slide rod 14 is released, the adjusting foot 3 is subjected to the ground vibration and the reverse acting force of the gas in the circulating pipe 8 on the adjusting foot 3, the influence of the ground vibration on the tabletop 1 is reduced, and the aim of improving the anti-seismic performance of the tabletop 1 is fulfilled.
When moving the desk, because a large amount of gas has been stored in the gas storage bag 10, can carry out automatically regulated through the gas of gas storage in the gas storage bag 10 to the slide bar 14 in each adjusting sleeve 15 after making desktop 1 remove once more, only need just can keep desktop 1 to carry out the requirement that keeps desktop 1 horizontality throughout of the in-process that removes many times through gas tube 5 to the interior gas-filled of ring type pipe 6, avoided desktop 1 to need carry out the condition of horizontal debugging once more after removing, improved convenience and the practicality that horizontal desktop 1 used.
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. A device for enabling a table top to be kept horizontal, comprising a table top (1), characterized in that: the bottom of the table top (1) is fixedly connected with a supporting rod (2), the bottom of the supporting rod (2) is fixedly connected with an adjusting sleeve (15), adjusting feet (3) are installed at the bottom of the adjusting sleeve (15), a gravity hammer (4) is arranged inside the table top (1), an inflation tube (5) is fixedly connected to one side of the table top (1), each annular tube (6) of the table top (1) is fixedly connected with, a contact block (7) is slidably connected to the inside of the table top (1), a circulating tube (8) and an adjusting tube (9) are fixedly connected to the outer side of each annular tube (6), an air storage bag (10) is installed inside each annular tube (6), an adjusting slide block (11) and a pressure block (12) are slidably connected to the inside of each circulating tube (8), a closed slide block (13) is slidably connected to the inside of each adjusting tube (9), a slide rod (14) is fixedly connected to the bottom of each adjusting foot, the side meshing of slide bar (14) has gear (16), the inside fixedly connected with connecting pipe (17) of fixed cover, the inside sliding connection of connecting pipe (17) has locking lever (18), one side fixedly connected with rack (19) that is close to gear (16) of locking lever (18), the side fixed connection of rack (19) has elastic spring (20).
2. The device of claim 1, wherein the table top is kept horizontal: the inside of gas tube (5) is installed with one-way valve rod, gas tube (5) are connected with annular pipe (6).
3. The device of claim 1, wherein the table top is kept horizontal: the contact block (7) is in contact with the gravity hammer (4), and one side, far away from the gravity hammer (4), of the contact block (7) is fixedly connected with an elastic spring (20).
4. The device of claim 1, wherein the table top is kept horizontal: the side surface of the adjusting sliding block (11) is provided with a groove, the outer side of the pressure block (12) is provided with a convex block, and the groove is matched with the convex block.
5. The device of claim 1, wherein the table top is kept horizontal: when the two closing sliding blocks (13) are contacted, the channel between the adjusting pipe (9) and the annular pipe (6) is closed.
6. The device of claim 1, wherein the table top is kept horizontal: the sliding rod (14) is in sliding connection with the adjusting pipe (9).
7. The device of claim 1, wherein the table top is kept horizontal: the gear (16) is matched with the rack (19).
8. The device of claim 1, wherein the table top is kept horizontal: one side of the sliding rod (14) close to the gear (16) is provided with teeth, and the teeth are meshed with the gear (16).
CN201911190011.XA 2019-11-28 2019-11-28 Device capable of keeping desktop in horizontal state Withdrawn CN110833256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911190011.XA CN110833256A (en) 2019-11-28 2019-11-28 Device capable of keeping desktop in horizontal state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911190011.XA CN110833256A (en) 2019-11-28 2019-11-28 Device capable of keeping desktop in horizontal state

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112562973A (en) * 2020-11-16 2021-03-26 浙江江山博奥电气有限公司 Anti-seismic transformer with counterweight buffer function
CN113208370A (en) * 2021-05-29 2021-08-06 江沁谦 Intelligent device for emergently supporting mobile marketing exhibition stand
CN113647748A (en) * 2021-08-17 2021-11-16 陈红 Accurate teaching device based on big data and artificial intelligence
CN113974310A (en) * 2021-10-26 2022-01-28 徐州名鼎木业有限公司 Lifting type wood table capable of detecting balance in real time
CN115864969A (en) * 2023-03-03 2023-03-28 山西省安装集团股份有限公司 Mountain photovoltaic power generation panel installation device and use method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855560A1 (en) * 1978-12-22 1980-07-03 Stabilus Gmbh GAS SPRING WITH MECHANICAL BLOCKING DEVICE
US20070266912A1 (en) * 2003-04-29 2007-11-22 Swain Stephen C Multi-Position Work Tables
US20080262657A1 (en) * 2007-04-17 2008-10-23 L&P Property Management Company System and method for controlling adjustable furniture
CN107296382A (en) * 2017-07-11 2017-10-27 骆兰珍 A kind of autobalance eyeshield desk based on gravity motion
CN206880381U (en) * 2017-01-11 2018-01-16 厦门泛钛设计装饰工程有限公司 A kind of school desk for being easy to store books
CN109106065A (en) * 2018-08-23 2019-01-01 袁珩 A kind of wireless laptops support device
US10213015B1 (en) * 2018-04-20 2019-02-26 Ditto Sales, Inc./Versteel Pneumatic assist adjustable table
CN209404076U (en) * 2018-09-12 2019-09-20 南京信息工程大学 A kind of reagent cabinet peculiar to vessel
CN209625548U (en) * 2018-11-26 2019-11-12 咸阳师范学院 A kind of efficient English teaching board

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855560A1 (en) * 1978-12-22 1980-07-03 Stabilus Gmbh GAS SPRING WITH MECHANICAL BLOCKING DEVICE
US20070266912A1 (en) * 2003-04-29 2007-11-22 Swain Stephen C Multi-Position Work Tables
US20080262657A1 (en) * 2007-04-17 2008-10-23 L&P Property Management Company System and method for controlling adjustable furniture
CN206880381U (en) * 2017-01-11 2018-01-16 厦门泛钛设计装饰工程有限公司 A kind of school desk for being easy to store books
CN107296382A (en) * 2017-07-11 2017-10-27 骆兰珍 A kind of autobalance eyeshield desk based on gravity motion
US10213015B1 (en) * 2018-04-20 2019-02-26 Ditto Sales, Inc./Versteel Pneumatic assist adjustable table
CN109106065A (en) * 2018-08-23 2019-01-01 袁珩 A kind of wireless laptops support device
CN209404076U (en) * 2018-09-12 2019-09-20 南京信息工程大学 A kind of reagent cabinet peculiar to vessel
CN209625548U (en) * 2018-11-26 2019-11-12 咸阳师范学院 A kind of efficient English teaching board

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112562973A (en) * 2020-11-16 2021-03-26 浙江江山博奥电气有限公司 Anti-seismic transformer with counterweight buffer function
CN113208370A (en) * 2021-05-29 2021-08-06 江沁谦 Intelligent device for emergently supporting mobile marketing exhibition stand
CN113647748A (en) * 2021-08-17 2021-11-16 陈红 Accurate teaching device based on big data and artificial intelligence
CN113974310A (en) * 2021-10-26 2022-01-28 徐州名鼎木业有限公司 Lifting type wood table capable of detecting balance in real time
CN113974310B (en) * 2021-10-26 2023-12-08 东莞市兆生家具实业有限公司 Lifting type wood table capable of detecting balance in real time
CN115864969A (en) * 2023-03-03 2023-03-28 山西省安装集团股份有限公司 Mountain photovoltaic power generation panel installation device and use method thereof

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Application publication date: 20200225