CN109550538A - A kind of Mechanics of Materials Teaching experimental desk - Google Patents
A kind of Mechanics of Materials Teaching experimental desk Download PDFInfo
- Publication number
- CN109550538A CN109550538A CN201811642599.3A CN201811642599A CN109550538A CN 109550538 A CN109550538 A CN 109550538A CN 201811642599 A CN201811642599 A CN 201811642599A CN 109550538 A CN109550538 A CN 109550538A
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- CN
- China
- Prior art keywords
- rotating bar
- pedestal
- cavity
- mechanics
- belt pulley
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a kind of Mechanics of Materials Teaching experimental desks, including pedestal, the lower end quadrangle of the pedestal goes out army and is fixedly connected with from locking universal wheel, the upper end of the pedestal is equipped with groove, the inner sidewall of the groove is rotatably connected in groove described in slot cover by shaft slidably connects placement plate, it is equipped with the first cavity in the pedestal, the regulating mechanism for placement plate to be adjusted is equipped in first cavity.By the way that regulating mechanism is arranged, the rotation of the first rotating bar is driven by rotation turning handle, first rotating bar drives threaded rod and shaft to rotate simultaneously, so that slot cover is opened and closed and placement plate is driven to go up and down, until suitable position, store test equipment when not used, when use is lifted again is tested, it is safer and easy to operate.The present invention can store materials mechanics experimental equipment, and safety is higher.
Description
Technical field
The present invention relates to teaching aid technical field more particularly to a kind of Mechanics of Materials Teaching experimental desks.
Background technique
The mechanics of materials be research material generated under various external forces strain, stress, intensity, rigidity, stabilization and lead
The limit for causing a variety of materials to destroy, during the test, experimental desk is also essential.
Existing materials mechanics experimental equipment is placed on experimental desk in school, cannot be taken in experimental desk, is learned
It is raw to be easy accidentally to collide with to it, it falls, it is more dangerous,
For this purpose, it is proposed that a kind of next Mechanics of Materials Teaching is solved the above problems with experimental desk.
Summary of the invention
The purpose of the present invention is to solve the problems for being easy to encounter more danger in the prior art, and a kind of material proposed
Expect mechanics teaching experimental desk.
To achieve the goals above, present invention employs following technical solutions:
A kind of Mechanics of Materials Teaching experimental desk, including pedestal, the lower end quadrangle of the pedestal go out army and are fixedly connected with certainly
Universal wheel is locked, the upper end of the pedestal is equipped with groove, and the inner sidewall of the groove is rotatably connected to described in slot cover by shaft
Placement plate is slidably connected in groove, and the first cavity is equipped in the pedestal, is equipped in first cavity for placement plate
The regulating mechanism being adjusted.
Preferably, the regulating mechanism include horizontally rotate with the first cavity inner sidewall connection first rotation and second turn
Lever, between first rotating bar and the second rotating bar by the first transmission mechanism be sequentially connected, second rotating bar with
It is sequentially connected between shaft by the second transmission mechanism, bottom is equipped with regulating tank in the groove, and bottom turns in the regulating tank
Dynamic to be connected with threaded rod, the threaded upper ends of the threaded rod are connected with threaded block, and the lateral wall and regulating tank of the threaded block are sliding
Dynamic connection, the upper end of the threaded block are fixedly connected with the lower end of placement plate, and the lower end rotation of the threaded rod runs through pedestal simultaneously
It extends in the first cavity, is sequentially connected between the threaded rod and the first rotating bar by bevel gear set, first rotation
One end rotation of bar through pedestal and has been fixedly and coaxially connected turning handle.
Preferably, first transmission mechanism includes intermeshing worm gear and worm screw, the worm gear and the second rotating bar
It is fixedly and coaxially connected, the worm screw is fixedly and coaxially connected with the first rotation.
Preferably, second transmission mechanism includes the first belt pulley and the second belt pulley, is equipped with second in the pedestal
One end rotation of cavity, the shaft is fixedly and coaxially connected in the second cavity and with the second belt pulley, second rotation
Bar is fixedly and coaxially connected with the first belt pulley, is sequentially connected between first belt pulley and the second belt pulley by belt, institute
State the through-hole for being equipped between the first cavity and the second cavity and matching with belt.
Preferably, the bevel gear set includes intermeshing first helical gear and the second helical gear, first helical teeth
Wheel is fixedly and coaxially connected with the first rotation, and second helical gear is fixedly and coaxially connected with threaded rod.
Compared with prior art, the invention has the benefit that by setting regulating mechanism, the is driven by rotation turning handle
The rotation of one rotating bar, the first rotating bar drives threaded rod and shaft to rotate simultaneously, so that slot cover is opened and closed and drives placement plate
Lifting stores test equipment when not used until suitable position, and when use is lifted again is tested, safer,
And it is easy to operate.
The present invention can store materials mechanics experimental equipment, and safety is higher.
Detailed description of the invention
Fig. 1 is a kind of Facad structure perspective view of Mechanics of Materials Teaching experimental desk proposed by the present invention;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 is a kind of side structure perspective view of Mechanics of Materials Teaching experimental desk proposed by the present invention.
In figure: 1 pedestal, 2 adjust machine from locking universal wheel, 3 grooves, 4 shafts, 5 slot covers, 6 placement plates, 7 first cavitys, 8
Structure, 9 first rotating bars, 10 second rotating bars, 11 first transmission mechanisms, 12 second transmission mechanisms, 13 threaded rods, 14 threaded blocks,
15 turning handles, 16 bevel gear sets, 17 worm gears, 18 worm screws, 19 first belt pulleys, 20 second belt pulleys, 21 second cavitys, 22 first are tiltedly
Gear, 23 second helical gears.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of Mechanics of Materials Teaching experimental desk, including pedestal 1, the lower end quadrangle of pedestal 1 go out army and fix
It is connected with from locking universal wheel 2, the upper end of pedestal 1 is equipped with groove 3, and the inner sidewall of groove 3 is rotatably connected to slot cover by shaft 4
Slidably connect placement plate 6 in 5 grooves 3, the first cavity 7 be equipped in pedestal 1, be equipped in the first cavity 7 for placement plate 6 into
The regulating mechanism 8 that row is adjusted, specifically, regulating mechanism 8 includes the first rotation for horizontally rotating connection with 7 inner sidewall of the first cavity
Bar 9 and the second rotating bar 10.
In the present invention, it is sequentially connected between the first rotating bar 9 and the second rotating bar 10 by the first transmission mechanism 11, more
Body, the first transmission mechanism 11 includes intermeshing worm gear 17 and worm screw 18, and worm gear 17 and the second rotating bar 10 are coaxial fixed
Connection, worm screw 18 are fixedly and coaxially connected with the first rotating bar 9, pass through the second transmission mechanism between the second rotating bar 10 and shaft 4
12 transmission connections, further, the second transmission mechanism 12 include the first belt pulley 19 and the second belt pulley 20, are equipped in pedestal 1
One end rotation of second cavity 21, shaft 4 is fixedly and coaxially connected in the second cavity 21 and with the second belt pulley 20, and second turn
Lever 10 is fixedly and coaxially connected with the first belt pulley 19, is driven and is connected by belt between the first belt pulley 19 and the second belt pulley 20
It connects, the through-hole to match with belt is equipped between the first cavity 7 and the second cavity 21.
In the present invention, bottom is equipped with regulating tank in groove 3, and lower rotation is connected with threaded rod 13, threaded rod in regulating tank
13 threaded upper ends are connected with threaded block 14, and lateral wall and the regulating tank of threaded block 14 are slidably connected, the upper end of threaded block 14 with
The lower end of placement plate 6 is fixedly connected, and the lower end rotation of threaded rod 13 through pedestal 1 and extends in the first cavity 7, threaded rod 13
It is sequentially connected between the first rotating bar 9 by bevel gear set 16, it should be noted that bevel gear set 16 includes intermeshing
First helical gear 22 and the second helical gear 23, the first helical gear 22 are fixedly and coaxially connected with the first rotating bar 9, the second helical gear 23
It is fixedly and coaxially connected with threaded rod 13, one end rotation of the first rotating bar 9 through pedestal 1 and has been fixedly and coaxially connected turning handle 15.
For the present invention in use, rotation turning handle 15, turning handle 15 drive the rotation of the first rotating bar 9, the first rotating bar 9 drives first
Helical gear 22 and worm screw 18 rotate, and the first helical gear 22 drives the rotation of the second helical gear 23, and the second helical gear 23 drives threaded rod
13 rotations, threaded rod 13 drive threaded block 14 to go up and down, and threaded block 14 drives placement plate 6 to go up and down;When worm screw 18 rotates, 18 band of worm screw
Dynamic worm gear 17 rotates, and worm gear 17 drives the second rotating bar 10 to rotate, drive the first belt pulley 19 rotation of the second rotating bar 10, and first
Belt pulley 19 drives the rotation of the second belt pulley 20 by belt, and the second belt pulley 20 drives shaft 4 to rotate, and shaft 4 drives slot cover 5
Rotation, until suitable position.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of Mechanics of Materials Teaching experimental desk, including pedestal (1), which is characterized in that the lower end quadrangle of the pedestal (1) goes out
Army is fixedly connected with from locking universal wheel (2), and the upper end of the pedestal (1) is equipped with groove (3), the inner sidewall of the groove (3)
It is rotatably connected in slot cover (5) groove (3) and is slidably connected placement plate (6) by shaft (4), set in the pedestal (1)
Have the first cavity (7), the regulating mechanism (8) for placement plate (6) to be adjusted is equipped in first cavity (7).
2. a kind of Mechanics of Materials Teaching experimental desk according to claim 1, which is characterized in that the regulating mechanism (8)
The first rotating bar (9) and the second rotating bar (10) including horizontally rotating connection with the first cavity (7) inner sidewall, described first turn
Between lever (9) and the second rotating bar (10) by the first transmission mechanism (11) be sequentially connected, second rotating bar (10) with
It is sequentially connected between shaft (4) by the second transmission mechanism (12), the interior bottom of the groove (3) is equipped with regulating tank, the adjusting
Lower rotation is connected with threaded rod (13) in slot, and the threaded upper ends of the threaded rod (13) are connected with threaded block (14), the spiral shell
The lateral wall of line block (14) is slidably connected with regulating tank, the fixed company in the upper end of the threaded block (14) and the lower end of placement plate (6)
Connect, the rotation of the lower end of the threaded rod (13) is through pedestal (1) and extends in the first cavity (7), the threaded rod (13) with
It is sequentially connected between first rotating bar (9) by bevel gear set (16), one end rotation of first rotating bar (9) runs through pedestal
1 and turning handle (15) have been fixedly and coaxially connected it.
3. a kind of Mechanics of Materials Teaching experimental desk according to claim 2, which is characterized in that first transmission mechanism
It (11) include intermeshing worm gear (17) and worm screw (18), the worm gear (17) and the coaxial fixation of the second rotating bar (10) connect
It connects, the worm screw (18) is fixedly and coaxially connected with the first rotating bar (9).
4. a kind of Mechanics of Materials Teaching experimental desk according to claim 2, which is characterized in that second transmission mechanism
It (12) include the first belt pulley (19) and the second belt pulley (20) being equipped with the second cavity (21) in the pedestal (1), the shaft
(4) one end rotation is fixedly and coaxially connected in the second cavity (21) and with the second belt pulley (20), second rotating bar
(10) it is fixedly and coaxially connected with the first belt pulley (19), passes through skin between first belt pulley (19) and the second belt pulley (20)
V belt translation connection, is equipped with the through-hole to match with belt between first cavity (7) and the second cavity (21).
5. a kind of Mechanics of Materials Teaching experimental desk according to claim 2, which is characterized in that the bevel gear set (16)
Including intermeshing first helical gear (22) and the second helical gear (23), first helical gear (22) and the first rotating bar
(9) it is fixedly and coaxially connected, second helical gear (23) is fixedly and coaxially connected with threaded rod (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811642599.3A CN109550538A (en) | 2018-12-29 | 2018-12-29 | A kind of Mechanics of Materials Teaching experimental desk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811642599.3A CN109550538A (en) | 2018-12-29 | 2018-12-29 | A kind of Mechanics of Materials Teaching experimental desk |
Publications (1)
Publication Number | Publication Date |
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CN109550538A true CN109550538A (en) | 2019-04-02 |
Family
ID=65872086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811642599.3A Pending CN109550538A (en) | 2018-12-29 | 2018-12-29 | A kind of Mechanics of Materials Teaching experimental desk |
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CN (1) | CN109550538A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004521308A (en) * | 2001-03-13 | 2004-07-15 | アプライド デザイン アンド エンジニアリング リミテッド | Pull-out storage unit |
CN202027101U (en) * | 2011-05-19 | 2011-11-09 | 李红庆 | Lifting tea table |
CN202493651U (en) * | 2012-03-30 | 2012-10-17 | 广州物联家信息科技股份有限公司 | Belt transmission mechanism, display and display integrated table |
US20130032062A1 (en) * | 2011-08-02 | 2013-02-07 | Racca Enterprises, Inc. | Convertible desk |
CN207887210U (en) * | 2017-11-13 | 2018-09-21 | 周博宇 | A kind of multifunctional physics teaching experimental bench |
-
2018
- 2018-12-29 CN CN201811642599.3A patent/CN109550538A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004521308A (en) * | 2001-03-13 | 2004-07-15 | アプライド デザイン アンド エンジニアリング リミテッド | Pull-out storage unit |
CN202027101U (en) * | 2011-05-19 | 2011-11-09 | 李红庆 | Lifting tea table |
US20130032062A1 (en) * | 2011-08-02 | 2013-02-07 | Racca Enterprises, Inc. | Convertible desk |
CN202493651U (en) * | 2012-03-30 | 2012-10-17 | 广州物联家信息科技股份有限公司 | Belt transmission mechanism, display and display integrated table |
CN207887210U (en) * | 2017-11-13 | 2018-09-21 | 周博宇 | A kind of multifunctional physics teaching experimental bench |
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Application publication date: 20190402 |