CN114067706A - Bulletin board for engineering management - Google Patents
Bulletin board for engineering management Download PDFInfo
- Publication number
- CN114067706A CN114067706A CN202111369488.1A CN202111369488A CN114067706A CN 114067706 A CN114067706 A CN 114067706A CN 202111369488 A CN202111369488 A CN 202111369488A CN 114067706 A CN114067706 A CN 114067706A
- Authority
- CN
- China
- Prior art keywords
- bulletin board
- rod
- fixedly connected
- belt pulley
- screw rod
- 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.)
- Granted
Links
- 230000002457 bidirectional effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000010410 dusting Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 244000309464 bull Species 0.000 description 10
- 239000000428 dust Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0068—Modular articulated structures, e.g. stands, and articulation means therefor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0087—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like including movable parts, e.g. movable by the wind
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a bulletin board for engineering management in the technical field of constructional engineering, which comprises a base, wherein the upper surface of the base is fixedly connected with a supporting rod, one end of the supporting rod is fixedly connected with a bulletin board body, the back surface of the bulletin board body is provided with an expansion mechanism, the front surface of the bulletin board is provided with an ash removal mechanism, the expansion mechanism comprises a motor, a first rotating rod, a first belt pulley, a two-way screw rod, a moving frame, a sleeve, a movable rod, a fixed block, a fixed rod, a slide rail, an expansion plate, a fixed plate and a spring, the back surface of the bulletin board body is fixedly connected with the motor and the first slide rod, the output end of the motor is fixedly connected with the first rotating rod, the back surface of the bulletin board is movably connected with the two-way screw rod, the invention is convenient to use, the bulletin board is convenient to expand to facilitate the installation of bulletin bars with different sizes, and the expansion board is convenient to store, thereby reducing the occupation of space volume.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a bulletin board for engineering management.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities.
Present bulletin board for engineering management when using, needs polylith bulletin board to splice when the bulletin board size is not enough and bulletin the operation to too take up the vacant area when accomodating, thereby lead to using very inconvenient, and bulletin accomplish the back, the inconvenient clearance of a large amount of dusts of surface cover of bulletin board, thereby increased staff's working strength.
Disclosure of Invention
The present invention is directed to a bulletin board for engineering management to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bulletin board for engineering management, includes the base, the last fixed surface of base is connected with the bracing piece, the one end fixedly connected with bulletin board body of bracing piece, the back of bulletin board body is provided with extension mechanism, the front of bulletin board is provided with the ash removal mechanism.
As a further scheme of the invention: the expansion mechanism comprises a motor, a first rotating rod, a first belt pulley, a two-way screw rod, a movable frame, a sleeve, a movable rod, a fixed block, a fixed rod, a slide rail, an expansion plate, a fixed plate and a spring, wherein the back of the bulletin board body is fixedly connected with the motor and the first slide rod, the output end of the motor is fixedly connected with the first rotating rod, the back of the bulletin board is movably connected with the two-way screw rod and is positioned below the motor, the circumference of the two-way screw rod and the circumference of the rotating rod are fixedly connected with the first belt pulley, the first belt pulley is connected through a first connecting belt in a transmission way, the circumferences of the two-way screw rod and the first slide rod are respectively and slidably connected with the movable frame, the number of the two movable frames is two, the fixed plate is fixedly connected with one end of the movable frame, the two end surfaces of the fixed plate are respectively and rotatably connected with the sleeve, and the spring is fixedly connected with the inside of the sleeve, the inside of the sleeve is slidably connected with a movable rod, the other end of the spring is fixedly connected with one end of the movable rod, the other end of the movable rod is rotatably connected with a fixed block, the lower surface of the fixed block is fixedly connected with a fixed rod, one end of the fixed rod is fixedly connected with an expansion plate, the back surface of the bulletin board body is fixedly connected with a slide rail, a motor can be opened to work, the motor works to drive the first rotary rod to rotate, the first rotary rod drives a first belt pulley to rotate, a first belt pulley is also installed on the circumferential surface of a bidirectional screw rod, and two groups of first belt pulleys are in transmission connection through a first connecting belt, so that the bidirectional screw rod rotates, the bidirectional screw rod is in threaded connection with two groups of moving frames, so that the two groups of moving frames move, the moving frames drive the fixed plate to move, the fixed plate slides in a limit groove through a limit block, and simultaneously drives the fixed rod to move in a first slide groove on the slide rail, make the dead lever drive expansion board and remove, treat to remove oblique angle department, the inside spring of sleeve pipe drives the movable rod and promotes forward, and the fixed block passes through the movable rod and promotes forward for expansion board and this body level laminating of bulletin board can accomplish the back expansion work.
As a still further scheme of the invention: the inside of slide rail is provided with first spout, the size of first spout and the size phase-match of dead lever, the one end of slide rail and first spout sets up to the slope form, and the convenience drives the movable rod through spring reset and gos forward and remove along with the chute for the horizontal plane laminating of expansion board and bulletin board body.
As a still further scheme of the invention: the side surface fixedly connected with stopper of fixed plate, the back of slide rail is provided with the spacing groove, stopper and spacing groove phase-match carry on spacingly when conveniently driving the fixed plate and remove.
As a still further scheme of the invention: two sets of remove the frame and all pass through threaded connection with two-way lead screw, two sets of the interior spiral opposite direction who removes the frame conveniently rotates through driving two-way lead screw for thereby two sets of removal frame remove to opposite direction and carry out extension work.
As a still further scheme of the invention: the ash removing mechanism comprises a second screw rod, a brush plate, a second belt pulley, a second rotating rod, a first bevel gear, a third belt pulley and a second bevel gear, the front of the bulletin board body is rotatably connected with the second screw rod, the front of the bulletin board body is fixedly connected with a second slide rod, the circumferential surfaces of the second screw rod and the second slide rod are slidably connected with the brush plate, one end of the second screw rod is fixedly connected with the second belt pulley, the back of the bulletin board is rotatably connected with the second rotating rod and is positioned on the top side of the bidirectional screw rod, the circumferential surface of the second rotating rod is fixedly connected with the third belt pulley and the first bevel gear, the circumferential surface of the first rotating rod is fixedly connected with the second bevel gear, the second belt pulley and the third belt pulley are in transmission connection through a second connecting belt, the motor drives the first rotating rod to rotate, the first rotating rod drives the second bevel gear to rotate, and the second bevel gear is meshed with the first bevel gear, make first bevel gear drive the second bull stick and take place to rotate, the second bull stick drives the third belt pulley and takes place to rotate, and third belt pulley and second belt pulley pass through the transmission of second connecting band and connect for the second belt pulley drives the second lead screw and rotates, and second lead screw and brush board pass through threaded connection, make the brush board move downwards and clear away the dust on bulletin board surface.
As a still further scheme of the invention: the first bevel gear is meshed with the second bevel gear, the second screw rod is connected with the brush plate through threads, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear drives the third belt pulley of the second rotating rod to rotate, finally, the second screw rod rotates, and the second screw rod drives the brush plate to descend to perform cleaning operation.
As a still further scheme of the invention: the lower surface swing joint of bottom plate has the removal wheel, the inside of removing the wheel is provided with the brake block, conveniently drives this bulletin board and removes suitable position and put.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the expanding mechanism, when the bulletin board body is used, the bottom board can be moved to a proper position by the moving wheels for fixing use, when the bulletin board body needs to be expanded, the motor can be opened for working, the motor works to drive the first rotating rod to rotate, the first rotating rod drives the first belt pulley to rotate, the first belt pulley is also installed on the circumferential surface of the bidirectional screw rod, the two groups of first belt pulleys are in transmission connection through the first connecting belt, so that the bidirectional screw rod rotates, the bidirectional screw rod is in threaded connection with the two groups of moving frames, so that the two groups of moving frames move, the moving frames drive the fixed plate to move, the fixed plate slides in the limiting groove through the limiting block and simultaneously drives the fixed rod to move in the first sliding groove on the sliding rail, so that the fixed rod drives the expanding plate to move, when the fixed rod moves to an oblique angle, the spring in the sleeve drives the movable rod to push forwards, the fixed block promotes forward through the movable rod for extension board and this body level laminating of bulletin board, the back extension work of can accomplishing, convenient to use, the convenient bulletin board is expanded and is made things convenient for not unidimensional bulletin strip to install, and the expansion board is conveniently accomodate and is reduced occupation of space volume.
2. Through being provided with the dusting mechanism, when using the completion, when withdrawing the expansion board, the motor drives first bull stick and rotates, first bull stick drives second bevel gear and rotates, second bevel gear and first bevel gear intermeshing, make first bevel gear drive second bull stick take place to rotate, the second bull stick drives the third belt pulley and takes place to rotate, third belt pulley and second belt pulley pass through the transmission of second connecting band and connect, make the second belt pulley drive the second lead screw and rotate, second lead screw and brush board pass through threaded connection, make the brush board move downwards and clear away the dust on bulletin board surface, high durability and convenient use, and the operation is thus simple, thereby can drive the second lead screw when the expansion board resets and rotate the control brush board decline and carry out cleaning operation, the clear manipulation strength of staff has been reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a schematic view of the backside structure of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 5 is a partial enlarged view of B in FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of a portion C of FIG. 2 in accordance with the present invention;
FIG. 7 is an enlarged view of a portion of D of FIG. 3 in accordance with the present invention;
fig. 8 is a sectional view showing the internal structure of the socket according to the present invention.
In the figure: 1. a base; 2. a support bar; 3. a bulletin board body; 4. an expansion mechanism; 5. a dust removing mechanism; 41. a motor; 42. a first rotating lever; 43. a first pulley; 44. a bidirectional screw rod; 45. a movable frame; 46. a sleeve; 47. a movable rod; 48. a fixed block; 49. fixing the rod; 410. a slide rail; 411. a limiting groove; 412. a limiting block; 413. an expansion board; 414. a fixing plate; 415. a spring; 51. a second lead screw; 52. brushing the board; 53. a second pulley; 54. a second rotating rod; 55. a first bevel gear; 56. a third belt pulley; 57. a second bevel gear.
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 to 8, in an embodiment of the present invention, an engineering management bulletin board includes a base 1, a support rod 2 is fixedly connected to an upper surface of the base 1, a bulletin board body 3 is fixedly connected to one end of the support rod 2, an expansion mechanism 4 is disposed on a back surface of the bulletin board body 3, and an ash removal mechanism 5 is disposed on a front surface of the bulletin board.
As a further scheme of the invention: the expanding mechanism 4 comprises a motor 41, a first rotating rod 42, a first belt pulley 43, a two-way screw 44, a moving frame 45, a sleeve 46, a movable rod 47, a fixed block 48, a fixed rod 49, a slide rail 410, an expanding plate 413, a fixed plate 414 and a spring 415, wherein the back of the bulletin board body 3 is fixedly connected with the motor 41 and the first slide rod, the output end of the motor 41 is fixedly connected with the first rotating rod 42, the back of the bulletin board is movably connected with the two-way screw 44 and is positioned below the motor 41, the circumferential surface of the two-way screw 44 and the circumferential surface of the rotating rod are both fixedly connected with the first belt pulley 43, the first belt pulley 43 is in transmission connection through a first connecting belt, the two-way screw 44 and the circumferential surface of the first slide rod are both in sliding connection with the moving frame 45, the number of the two are provided, one end of the moving frame 45 is fixedly connected with the fixed plate 414, both end surfaces of the fixed plate 414 are both rotatably connected with the sleeve 46, and the spring 415 is fixedly connected inside of the sleeve 46, the inner part of the sleeve 46 is connected with a movable rod 47 in a sliding way, the other end of the spring 415 is fixedly connected with one end of the movable rod 47, the other end of the movable rod 47 is connected with a fixed block 48 in a rotating way, the lower surface of the fixed block 48 is fixedly connected with a fixed rod 49, one end of the fixed rod 49 is fixedly connected with an expansion plate 413, the back surface of the bulletin board body 3 is fixedly connected with a slide rail 410, the motor 41 can be opened to work, the motor 41 works to drive the first rotating rod 42 to rotate, the first rotating rod 42 drives the first belt pulley 43 to rotate, the circumferential surface of the bidirectional screw rod 44 is also provided with the first belt pulley 43, and the two groups of first belt pulleys 43 are in transmission connection through the first connecting belt, so that the bidirectional screw rod 44 rotates, the bidirectional screw rod 44 is in threaded connection with the two groups of moving frames 45, the moving frames 45 drive the fixed plate 414 to move, and the fixed plate 414 slides in the limit groove 411 through the limit block 412, meanwhile, the fixing rod 49 is driven to move in the first sliding groove of the sliding rail 410, so that the fixing rod 49 drives the expansion board to move, when the expansion board moves to the oblique angle, the spring 415 inside the sleeve 46 drives the movable rod 47 to push forwards, the fixing block 48 pushes forwards through the movable rod 47, the expansion board 413 is horizontally attached to the bulletin board body 3, and then the expansion work can be completed.
As a still further scheme of the invention: the inside of slide rail 410 is provided with first spout, and the size of first spout and the size phase-match of dead lever 49, the one end of slide rail 410 and first spout set up to the slope form, and the convenience resets through spring 415 and drives movable rod 47 and advance and remove along with the chute for the horizontal plane laminating of expansion board 413 and bulletin board body 3.
As a still further scheme of the invention: the side surface fixedly connected with stopper 412 of fixed plate 414, the back of slide rail 410 is provided with spacing groove 411, and stopper 412 and spacing groove 411 phase-match carry on spacingly when conveniently driving fixed plate 414 and remove.
As a still further scheme of the invention: two sets of removal frame 45 all passes through threaded connection with two-way lead screw 44, and the interior spiral opposite direction of two sets of removal frame 45 conveniently rotates through driving two-way lead screw 44 for thereby two sets of removal frame 45 remove toward opposite direction and carry out extension work.
As a still further scheme of the invention: the ash removing mechanism 5 comprises a second screw rod 51, a brush plate 52, a second belt pulley 53, a second rotating rod 54, a first bevel gear 55, a third belt pulley 56 and a second bevel gear 57, the front surface of the bulletin board body 3 is rotatably connected with the second screw rod 51, the front surface of the bulletin board body 3 is fixedly connected with a second slide rod, the circumferential surfaces of the second screw rod 51 and the second slide rod are slidably connected with the brush plate 52, one end of the second screw rod 51 is fixedly connected with the second belt pulley 53, the back surface of the bulletin board is rotatably connected with the second rotating rod 54 and is positioned on the top side of the bidirectional screw rod 44, the circumferential surface of the second rotating rod 54 is fixedly connected with the third belt pulley 56 and the first bevel gear 55, the circumferential surface of the first rotating rod 42 is fixedly connected with the second bevel gear 57, the second belt pulley 53 is in transmission connection with the third belt pulley 56 through the second connecting belt, the motor 41 drives the first rotating rod 42 to rotate, the first rotating rod 42 drives the second bevel gear 57 to rotate, the second bevel gear 57 is meshed with the first bevel gear 55, so that the first bevel gear 55 drives the second rotating rod 54 to rotate, the second rotating rod 54 drives the third belt pulley 56 to rotate, the third belt pulley 56 is in transmission connection with the second belt pulley 53 through a second connecting belt, the second belt pulley 53 drives the second screw rod 51 to rotate, the second screw rod 51 is in threaded connection with the brush plate 52, and the brush plate 52 moves downwards to remove dust on the surface of the bulletin board.
As a still further scheme of the invention: the first bevel gear 55 and the second bevel gear 57 are meshed with each other, the second screw 51 is in threaded connection with the brush plate 52, the second bevel gear 57 rotates to drive the first bevel gear 55 to rotate, the first bevel gear 55 drives the third belt pulley 56 of the second rotating rod 54 to rotate, finally, the second screw 51 rotates, and the second screw 51 drives the brush plate 52 to descend to perform cleaning operation.
As a still further scheme of the invention: the lower surface swing joint of bottom plate has the removal wheel, and the inside of removing the wheel is provided with the brake block, conveniently drives this bulletin board body 3 and removes suitable position and put.
The working principle of the invention is as follows:
when the bulletin board body 3 is used, the bottom board can be moved to a proper position by the moving wheel for fixing, when the bulletin board body 3 needs to be expanded, the motor 41 can be opened for working, the motor 41 works to drive the first rotating rod 42 to rotate, the first rotating rod 42 drives the first belt pulley 43 to rotate, the first belt pulley 43 is also installed on the circumferential surface of the two-way screw rod 44, the two groups of first belt pulleys 43 are in transmission connection through the first connecting belt, the two-way screw rod 44 rotates, the two-way screw rod 44 is in threaded connection with the two groups of moving frames 45, the two groups of moving frames 45 move, the moving frames 45 drive the fixed plate 414 to move, the fixed plate 414 slides in the limiting groove 411 through the limiting block 412, and simultaneously drives the fixed rod 49 to move in the first sliding groove on the sliding rail 410, so that the fixed rod 49 drives the expansion plate to move, when the movable rod moves to an oblique angle, the spring 415 inside the sleeve 46 drives the movable rod 47 to push forwards, fixed block 48 passes through movable rod 47 and promotes forward, make expansion board 413 and bulletin board body 3 level laminating, can accomplish back extension work, when expansion board 413 withdraws, motor 41 drives first bull stick 42 and rotates, first bull stick 42 drives second bevel gear 57 and rotates, second bevel gear 57 and first bevel gear 55 intermeshing, make first bevel gear 55 drive second bull stick 54 and take place to rotate, second bull stick 54 drives third belt pulley 56 and takes place to rotate, third belt pulley 56 and second belt pulley 53 pass through second connecting band transmission and connect, make second belt pulley 53 drive second lead screw 51 and rotate, second lead screw 51 and brush board 52 pass through threaded connection, make brush board 52 move downwards and clear away the dust on bulletin board surface.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a bulletin board for engineering management, includes base (1), its characterized in that: the utility model discloses a blackboard eraser, including base (1), upper surface fixedly connected with bracing piece (2) of base (1), the one end fixedly connected with bulletin board body (3) of bracing piece (2), the back of bulletin board body (3) is provided with extension mechanism (4), the front of bulletin board is provided with dusting mechanism (5).
2. A bulletin board for engineering management according to claim 1, wherein: the expansion mechanism (4) comprises a motor (41), a first rotating rod (42), a first belt pulley (43), a bidirectional screw rod (44), a moving frame (45), a sleeve (46), a movable rod (47), a fixed block (48), a fixed rod (49), a sliding rail (410), an expansion plate (413), a fixed plate (414) and a spring (415), wherein the back of the bulletin board body (3) is fixedly connected with the motor (41) and the first sliding rod, the output end of the motor (41) is fixedly connected with the first rotating rod (42), the back of the bulletin board is movably connected with the bidirectional screw rod (44) and is positioned below the motor (41), the circumferential surface of the bidirectional screw rod (44) and the circumferential surface of the rotating rod are both fixedly connected with the first belt pulley (43), the first belt pulley (43) is in transmission connection through a first connecting belt, the circumferential surfaces of the bidirectional screw rod (44) and the first sliding rod are both slidably connected with the moving frame (45), and quantity is provided with two, the one end fixedly connected with fixed plate (414) of removal frame (45), the both ends face of fixed plate (414) all rotates and is connected with sleeve pipe (46), inside fixedly connected with spring (415) of sleeve pipe (46), the inside sliding connection of sleeve pipe (46) has movable rod (47), the other end of spring (415) and the one end fixed connection of movable rod (47), the other end of movable rod (47) rotates and is connected with fixed block (48), the lower fixed surface fixedly connected with dead lever (49) of fixed block (48), the one end fixedly connected with expansion plate (413) of dead lever (49), the back fixedly connected with slide rail (410) of bulletin board body (3).
3. A bulletin board for engineering management according to claim 2, wherein: the inside of slide rail (410) is provided with first spout, the size of first spout and the size phase-match of dead lever (49), the one end of slide rail (410) and first spout sets up to the slope form.
4. A bulletin board for engineering management according to claim 2, wherein: the side surface fixedly connected with stopper (412) of fixed plate (414), the back of slide rail (410) is provided with spacing groove (411), stopper (412) and spacing groove (411) phase-match.
5. A bulletin board for engineering management according to claim 2, wherein: the two groups of moving frames (45) are connected with the bidirectional screw rod (44) through threads, and the directions of the inner threads of the two groups of moving frames (45) are opposite.
6. A bulletin board for engineering management according to claim 2, wherein: the ash removing mechanism (5) comprises a second screw rod (51), a brush plate (52), a second belt pulley (53), a second rotating rod (54), a first bevel gear (55), a third belt pulley (56) and a second bevel gear (57), the front of the bulletin board body (3) is rotatably connected with the second screw rod (51), the front of the bulletin board body (3) is fixedly connected with a second slide rod, the circumferential surfaces of the second screw rod (51) and the second slide rod are slidably connected with the brush plate (52), one end of the second screw rod (51) is fixedly connected with the second belt pulley (53), the back of the bulletin board is rotatably connected with the second rotating rod (54) and is positioned at the top side of the two-way screw rod (44), the circumferential surface of the second rotating rod (54) is fixedly connected with the third belt pulley (56) and the first bevel gear (55), the second circumferential surface of the first rotating rod (42) is fixedly connected with the gear (57), the second belt pulley (53) and the third belt pulley (56) are in transmission connection through a second connecting belt.
7. A bulletin board for engineering management according to claim 7, wherein: the first bevel gear (55) and the second bevel gear (57) are meshed with each other, and the second screw rod (51) and the brush plate (52) are connected through threads.
8. A bulletin board for engineering management according to claim 1, wherein: the lower surface swing joint of bottom plate has the removal wheel, the inside of removing the wheel is provided with the brake block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369488.1A CN114067706B (en) | 2021-11-15 | 2021-11-15 | Bulletin board for engineering management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369488.1A CN114067706B (en) | 2021-11-15 | 2021-11-15 | Bulletin board for engineering management |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114067706A true CN114067706A (en) | 2022-02-18 |
| CN114067706B CN114067706B (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111369488.1A Active CN114067706B (en) | 2021-11-15 | 2021-11-15 | Bulletin board for engineering management |
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|---|---|
| CN (1) | CN114067706B (en) |
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| FR1517356A (en) * | 1967-03-31 | 1968-03-15 | Editable advertising board | |
| CN208341199U (en) * | 2017-11-30 | 2019-01-08 | 湖北科技学院 | A kind of deashing device for computer display |
| CN209087346U (en) * | 2018-11-27 | 2019-07-09 | 吉林工程技术师范学院 | A kind of scientific research project management bulletin board |
| CN111402715A (en) * | 2020-03-26 | 2020-07-10 | 金陵科技学院 | Bulletin board for building engineering management |
| CN212847470U (en) * | 2020-07-07 | 2021-03-30 | 上海星触实业有限公司 | Commercial integrated advertisement interactive all-in-one machine |
| CN111798772A (en) * | 2020-07-28 | 2020-10-20 | 广州瑞创商务服务有限公司 | Market planning billboard capable of expanding surface area |
| CN213479632U (en) * | 2020-10-19 | 2021-06-18 | 何媛 | Hospital outpatient service is with expanded movable electron information bulletin board that registers |
| CN214587689U (en) * | 2020-12-11 | 2021-11-02 | 天天精艺(徐州)标识制作有限公司 | Vertical sign of office meeting |
| CN216980080U (en) * | 2022-01-24 | 2022-07-15 | 刘维 | Building engineering management bulletin board that marks |
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| CN114067706B (en) | 2024-01-12 |
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