CN215495853U

CN215495853U - Construction engineering is beckoned and is bid with propaganda device

Info

Publication number: CN215495853U
Application number: CN202121009246.7U
Authority: CN
Inventors: 祝希娟
Original assignee: Anhui New Starting Point Construction Project Management Co ltd
Current assignee: Anhui New Starting Point Construction Project Management Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-01-11
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a propaganda device for construction engineering bidding, which relates to the technical field of construction engineering propaganda and aims at solving the problems that the existing propaganda device for construction engineering is simple in design, cannot attract people to watch before, cannot move and adjust the angle, is single in propaganda mode and the like. The utility model not only can be moved to a place with dense crowds to attract the crowds to watch, but also has multiple propaganda modes including but not limited to modes of poster pasting, chalk handwriting and the like, and can automatically clean chalk handwriting, thereby increasing the working efficiency.

Description

Construction engineering is beckoned and is bid with propaganda device

Technical Field

The utility model relates to the technical field of construction engineering propaganda, in particular to a propaganda device for construction engineering bidding.

Background

The construction project bid means a transaction form which exchanges building products as commodities, and the transaction form is designed by a unique seller, asks a plurality of buyers to compete through secret quotations, and the seller selects a winner from the buyers and makes a transaction agreement with the winner, and then realizes bid according to the agreement.

The propaganda effect of the conventional propaganda device for tendering and bidding is mostly not ideal, and the main reason is that the form of a publicity column is monotonous, only one mode of posting posters or handwriting with chalk exists generally, the interest of attracting people to watch before is lacked, and the publicity column cannot move after being installed and fixed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a propaganda device for construction engineering bidding, which solves the problems that the existing propaganda device for construction engineering is simple in design, cannot attract people to watch, cannot move to adjust the angle, is single in propaganda mode and the like.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a propaganda device for bidding of construction engineering comprises a box body, wherein first rotating shafts are arranged on two sides in the box body, a motor is fixedly connected to the interior of the box body, a motor output shaft is fixedly connected with the first rotating shafts, a winding drum is sleeved outside the first rotating shafts, a propaganda cloth is sleeved outside the winding drum, a second rotating shaft is rotatably connected to the inner wall of the top of the box body, a driven pulley is fixedly sleeved outside the second rotating shafts, a driving pulley is arranged on the first rotating shaft in a sleeved mode, belts are sleeved outside the driving pulley and the driven pulley, a chalk erasing device is fixedly connected to the inner wall of the top of the box body and comprises second fixing rods, the second fixing rods are fixed to the inner wall of the top of the box body, a third rotating shaft is sleeved at the bottom end of the second fixing rods, a driven bevel gear is fixed to the top end of the third rotating shaft, and a driving bevel gear is sleeved at the bottom end of the second rotating shaft, the chalk box comprises a box body, a driving bevel gear, a driven bevel gear, a third rotating shaft, a limiting shaft, a chalk brush, a reciprocating wheel, a compression spring and a reciprocating wheel, wherein the driving bevel gear and the driven bevel gear move in a meshed mode, the other end of the third rotating shaft is provided with the reciprocating wheel, a first fixing rod is fixed on the inner wall of the top of the box body, the limiting shaft is movably sleeved inside the first fixing rod, the other end of the limiting shaft is fixedly provided with the chalk brush, the compression spring is arranged outside the limiting shaft, two ends of the compression spring are respectively connected with the first fixing rod and the chalk brush, and the surface of the reciprocating wheel is tangent to the surface of the chalk brush.

Preferably, the surface of the box body is fixedly provided with a door hinge, and the other end of the door hinge is fixedly provided with a movable door.

Preferably, the inner wall of the bottom of the box body is provided with two energy-saving lamp groups in an array manner along the length direction of the box body, and the two energy-saving lamp groups are symmetrically arranged about the central planes of the two first rotating shafts.

Preferably, the bottom of the box body is respectively provided with a first cavity groove, a second cavity groove and a third cavity groove, the interiors of the first cavity groove, the second cavity groove and the third cavity groove are all of a cubic structure, a storage battery is fixed in the second cavity groove, and an arc landslide is arranged in the third cavity groove and used for placing advertising advertisements.

Preferably, the top outer wall fixedly connected with two support frames of box, the sunshading board is installed on the support frame top, the pillar is installed to the bottom half, the pillar bottom is fixed with the base, the universal wheel is installed respectively in base bottom four corners, base surface edges and corners department is the cambered surface.

Preferably, a door lock is installed on the movable door on the right side of the box body, and a handle is installed on the door lock.

Preferably, the display screen is installed to box back right side below, the glass board is installed to the box back.

Preferably, the propaganda cloth is internally provided with a fixed plate, the fixed plate is fixedly connected with the inner wall of the bottom of the box body, and two sides of the fixed plate are respectively attached to the surface of the propaganda cloth.

Compared with the prior art, the utility model has the beneficial effects that: the chalk eraser is characterized in that a motor, a chalk erasing device, a storage battery, a universal wheel and the like are arranged, wherein the motor rotates to drive a first rotating shaft to rotate so as to drive a winding drum to rotate, so that automatic rotation of propaganda cloth is realized, the first rotating shaft rotates to drive a driving belt wheel to rotate so as to drive a belt to rotate, so that a driven belt wheel is driven to rotate so as to drive a second rotating shaft to rotate, so that meshing transmission of bevel gears is realized, so that the chalk brush moves forwards, the compression spring is arranged so as to realize resilience of the chalk erasing device, the storage battery is arranged to provide power for the motor, an energy-saving lamp set and a display screen, and the universal wheel is arranged so as to realize movement of the propaganda device.

Drawings

Fig. 1 is a schematic perspective view of a propaganda device for bidding in construction projects according to the present invention;

FIG. 2 is a schematic side perspective view of a chalk eraser of the advertising device for bidding in construction projects according to the present invention;

FIG. 3 is a schematic rear view of a construction project bid propaganda apparatus according to the present invention;

fig. 4 is a schematic view of a closed-door three-dimensional structure of the propaganda device for bidding in construction projects according to the present invention.

In the figure: the automatic chalk box comprises a box body 1, a movable door 2, a first cavity groove 3, a second cavity groove 4, a third cavity groove 5, a motor 6, a storage battery 7, a first rotating shaft 8, a winding drum 9, a driving belt wheel 10, a driven belt wheel 11, a belt 12, a second rotating shaft 13, a driving bevel gear 14, a driven bevel gear 15, a third rotating shaft 16, a reciprocating wheel 17, a chalk brush 18, a compression spring 19, a restraining shaft 20, a first fixing rod 21, a propaganda cloth 22, a fixing plate 23, an energy-saving lamp set 24, a support frame 25, a sun shield 26, a support column 27, a base 28, a universal wheel 29, a display screen 30, a door lock 31, a handle 32, a door hinge 33, a second fixing rod 34 and a circular arc sliding slope 35.

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.

Referring to fig. 1-4, an example provided by the present solution: a propaganda device for construction engineering bid comprises a box body 1, wherein first rotating shafts 8 are arranged on two sides inside the box body 1, a motor 6 is fixedly connected inside the box body 1, an output shaft of the motor 6 is fixedly connected with the first rotating shafts 8, a winding drum 9 is sleeved outside the first rotating shafts 8, a propaganda cloth 22 is sleeved outside the winding drum 9, a second rotating shaft 13 is rotatably connected to the inner wall of the top of the box body 1, a driven pulley 11 is fixedly sleeved outside the second rotating shaft 13, a driving pulley 10 is sleeved outside the first rotating shafts 8, a belt 12 is sleeved outside the driving pulley 10 and the driven pulley 11, a chalk erasing device is fixedly connected to the inner wall of the top of the box body 1 and comprises second fixing rods 34, the second fixing rods 34 are fixed to the inner wall of the top of the box body 1, a third rotating shaft 16 is rotatably sleeved at the bottom ends of the second fixing rods 34, a driven bevel gear 15 is fixed at the top end of the third rotating shaft 16, a driving bevel gear 14 is sleeved at the bottom end of the second rotating shaft 13, the driving bevel gear 14 and the driven bevel gear 15 move in a meshed mode, the other end of the third rotating shaft 16 is provided with a reciprocating wheel 17, a first fixing rod 21 is fixed on the inner wall of the top of the box body 1, a restraining shaft 20 is movably sleeved inside the first fixing rod 21, a chalk brush 18 is fixed at the other end of the restraining shaft 20, a compression spring 19 is arranged outside the restraining shaft 20, two ends of the compression spring 19 are respectively connected with the first fixing rod 21 and the chalk brush 18, and the surface of the reciprocating wheel 17 is tangent to the surface of the chalk brush 18.

In this embodiment, a door hinge 33 is fixedly installed on the surface of the box body 1, and the other end of the door hinge 33 is fixed with the movable door 2.

In this embodiment, two energy-saving lamp groups 24 are arranged on the inner wall of the bottom of the box body 1 in an array manner along the length direction of the box body, and the two energy-saving lamp groups 24 are symmetrically arranged about the central plane of the two first rotating shafts 8.

In this embodiment, first chamber groove 3, second chamber groove 4 and third chamber groove 5 have been seted up respectively to box 1 bottom, and first chamber groove 3, second chamber groove 4, the inside cube structure that is of third chamber groove 5, second chamber groove 4 internal fixation have battery 7, and it has circular arc landslide 35 to settle in the third chamber groove 5 for place the propaganda advertisement.

In this embodiment, two support frames 25 are fixedly connected to the outer wall of the top of the box 1, the sun shield 26 is installed on the top of the support frame 25, the pillar 27 is installed at the bottom of the box 1, the base 28 is fixed to the bottom of the pillar 27, the universal wheels 29 are installed at four corners of the bottom of the base 28 respectively, and the edges and corners of the surface of the base 28 are cambered surfaces.

In this embodiment, a door lock 31 is mounted on the movable door 2 on the right side of the box 1, and a handle 32 is mounted on the door lock 31.

In this embodiment, the display screen 30 is installed on the lower right of the back of the box 1, and the glass plate is installed on the back of the box 1.

In this embodiment, publicity cloth 22 is inside to be equipped with fixed plate 23, and fixed plate 23 and the bottom inner wall fixed connection of box 1, and fixed plate 23 two sides is laminated with publicity cloth 22's surface respectively.

The working principle is that firstly, the movable door 2 is opened, the propaganda advertisement is pasted on the surface of the propaganda cloth 22, the storage battery 7 is opened, the output shaft at the top end of the motor 6 rotates to drive the first rotating shaft 8 to rotate, thereby driving the winding drum 9 to rotate, thereby realizing the rotation of the propaganda advertisement, the storage battery 7 supplies power to the display screen 30, the display screen 30 displays time, attract people to watch before, when the people fall at night, the storage battery 7 supplies power to the energy-saving lamp group 24 to provide continuous illumination, when the advertisement needs to be handwritten, the advertisement can be directly written on the propaganda cloth 22, the motor 6 rotates to drive the first rotating shaft 8 to rotate, thereby driving the driving belt wheel 10 to rotate, thereby driving the belt 12 to rotate, thereby driving the driven belt wheel 11 to rotate, thereby driving the second rotating shaft 13 to rotate, thereby realizing the meshing transmission of the bevel gear, through installing the compression spring 19, thereby realizing the rebound of the chalk brush, thereby realizing the reciprocating motion of the chalk erasing device on the section of the reciprocating wheel 17, therefore, the purpose of erasing chalk marks is achieved, when the motor 6 stops after completing one period, the written part rotates to the display surface, the part needing to be erased is also erased, labor cost is greatly saved, working efficiency is improved, and when the part needing to be erased needs to be moved, the part can be moved through the universal wheel 29, and the chalk mark erasing device is convenient and fast.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a construction engineering is beckoned with propaganda device for bid, includes box (1), its characterized in that, the inside both sides of box (1) are provided with first pivot (8), the inside fixedly connected with motor (6) of box (1), motor (6) output shaft and first pivot (8) fixed connection, the outside cover of first pivot (8) is equipped with reel (9), the outside cover of reel (9) is equipped with propaganda cloth (22), the top inner wall of box (1) rotates and is connected with second pivot (13), the outside fixed cover of second pivot (13) is equipped with driven pulley (11), first pivot (8) cover is equipped with driving pulley (10), driving pulley (10) and driven pulley (11) outside cover are equipped with belt (12), the top inner wall fixedly connected with chalk of box (1) erases the device, the chalk erasing device comprises a second fixing rod (34), the second fixing rod (34) is fixed on the inner wall of the top of a box body (1), a third rotating shaft (16) is rotatably sleeved at the bottom end of the second fixing rod (34), a driven bevel gear (15) is fixed at the top end of the third rotating shaft (16), a driving bevel gear (14) is sleeved at the bottom end of the second rotating shaft (13), the driving bevel gear (14) and the driven bevel gear (15) are in meshed motion, a reciprocating wheel (17) is installed at the other end of the third rotating shaft (16), a first fixing rod (21) is fixed on the inner wall of the top of the box body (1), a restraining shaft (20) is movably sleeved inside the first fixing rod (21), a chalk brush (18) is fixed at the other end of the restraining shaft (20), a compression spring (19) is arranged outside the restraining shaft (20), and two ends of the compression spring (19) are respectively connected with the first fixing rod (21) and the chalk brush (18), the surface of the reciprocating wheel (17) is tangent to the surface of the chalk brush (18).

2. The advertising device for the construction engineering bid according to claim 1, characterized in that a door hinge (33) is fixedly installed on the surface of the box body (1), and a movable door (2) is fixed at the other end of the door hinge (33).

3. The advertising device for the bidding of the construction project according to claim 1, wherein two energy saving lamp sets (24) are arranged on the inner wall of the bottom of the box body (1) in an array along the length direction of the box body, and the two energy saving lamp sets (24) are symmetrically arranged about the central plane of the two first rotating shafts (8).

4. The advertising device for the bidding of the construction engineering according to claim 1, wherein a first cavity groove (3), a second cavity groove (4) and a third cavity groove (5) are respectively formed in the bottom of the box body (1), the first cavity groove (3), the second cavity groove (4) and the third cavity groove (5) are all of a cubic structure, a storage battery (7) is fixed in the second cavity groove (4), and an arc-shaped landslide (35) is arranged in the third cavity groove (5) and used for placing advertising advertisements.

5. The advertising device for the bidding of the construction engineering according to claim 1, wherein two supporting frames (25) are fixedly connected to the outer wall of the top of the box body (1), a sun shield (26) is installed at the top end of each supporting frame (25), a supporting column (27) is installed at the bottom of the box body (1), a base (28) is fixed at the bottom of each supporting column (27), universal wheels (29) are installed at four corners of the bottom of each base (28), and corners of the surface of each base (28) are cambered surfaces.

6. The advertising device for the bidding of the construction project according to claim 1, wherein a door lock (31) is installed on the movable door (2) on the right side of the box body (1), and a handle (32) is installed on the door lock (31).

7. The advertising device for the bidding of the construction project according to claim 1, wherein a display screen (30) is installed at the lower right of the back of the box body (1), and a glass plate is installed at the back of the box body (1).

8. The advertising device for the construction engineering bid according to claim 1, wherein a fixing plate (23) is arranged inside the propaganda material (22), the fixing plate (23) is fixedly connected with the inner wall of the bottom of the box body (1), and two surfaces of the fixing plate (23) are respectively attached to the surface of the propaganda material (22).