CN114769112A

CN114769112A - Environment-friendly energy-saving type bridge construction sand filtering machine

Info

Publication number: CN114769112A
Application number: CN202210333565.6A
Authority: CN
Inventors: 鲍世杰; 鲍习照; 祝科民; 何田田; 祝静璟
Original assignee: Anhui Zhongchang Ecological Engineering Construction Co ltd
Current assignee: Anhui Zhongchang Ecological Engineering Construction Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-22

Abstract

The invention discloses an environment-friendly energy-saving type bridge construction sand filter which comprises a frame, wherein a rotatable filter cylinder is arranged in the frame, a plurality of supporting rollers are fixedly connected to the frame, supporting rings respectively contacted with the supporting rollers are fixedly connected to the filter cylinder, and a rotatable rotating rod is arranged above the frame. According to the invention, when the motor works, the rotating rod and the rotating shaft can rotate, when the rotating rod and the rotating shaft rotate, materials can be gradually conveyed into the filter cylinder, meanwhile, the first conveying blade rotates to prevent the materials from being accumulated at one end of the filter cylinder, and meanwhile, when the fan blades rotate, gas can enter the gas injection pipe from the outside, so that impurities on the filter cylinder can be blown off, the filter cylinder can be further cleaned when in use, the filtering effect and the filtering efficiency of the filter cylinder are improved, and the practicability of the device is indirectly improved.

Description

Environment-friendly energy-saving type bridge construction sand filtering machine

Technical Field

The invention relates to the technical field of sand filtering devices, in particular to an environment-friendly and energy-saving sand filtering machine for bridge construction.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and with the continuous improvement of the economic level and the continuous improvement of the scientific and technical level, more and more areas develop the economy, so that necessary bridges can be built, the requirements of local economy and traffic are met, the existence of the bridges can facilitate the life of people, and the living standard of people is indirectly improved.

The sand can be used definitely in the building process of the bridge, and the sand is the sand which is commonly referred by people, so that in the building construction process, constructors can transport a large amount of sand to meet normal construction requirements, the sand can not be used immediately, so that the sand is placed in the process, a large amount of impurities can appear in the sand, the impurities can influence the quality of the sand, the quality of a building is further influenced, and therefore the constructors can filter the sand to meet the normal requirements of construction when using the sand, so the constructors can use the sand filter to filter the sand, the existing sand filter is used for pouring the sand into the inclined filter cylinder which can rotate, the purpose of screening large particles in the sand is achieved, and the device can have the following problems in the using process: in the process of using the filter cartridge, the filter screen of the filter cartridge is blocked, so that the filtering speed of the filter cartridge is reduced, and the conventional device cannot clean the filter cartridge in time, so that the normal use of the filter cartridge is influenced, and the working efficiency of workers is indirectly reduced.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide an environment-friendly and energy-saving bridge construction sand filter to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly energy-saving bridge construction sand filter comprises a frame, wherein a rotatable filter cylinder is arranged in the frame, a plurality of support rollers are fixedly connected to the frame, and support rings which are respectively contacted with the support rollers are fixedly connected to the filter cylinder;

a rotatable rotating rod is arranged above the frame, a supporting assembly for supporting the rotating rod is connected to the frame, a rotating shaft is arranged below the frame, and a transmission assembly is arranged between the rotating rod and the rotating shaft;

the frame is connected with a conveying assembly, one end of the rotating shaft extends into the conveying assembly, and the transmission assembly is connected with a moving assembly which is in contact with the conveying assembly;

the air injection device is characterized in that the rotating rod is connected with a driving assembly, the inner top end of the frame is fixedly connected with an air injection pipe, and the output end of the driving assembly is connected with the air injection pipe.

In this device, when the motor work, just can make bull stick and pivot rotate, when bull stick and pivot pivoted, just can make the material carry gradually and strain a section of thick bamboo, the rotation of first transport blade can avoid the material to pile up in the one end of straining a section of thick bamboo simultaneously, when the flabellum pivoted simultaneously, just can make gas from the external world enter into the jet-propelled pipe, thereby just can make and strain impurity on the section of thick bamboo and blown off, further can make and strain a section of thick bamboo and obtain the clearance when using, thereby the filter effect and the filtration efficiency of straining a section of thick bamboo have been improved, indirect improvement the practicality of device.

In a preferred embodiment, the support rollers are composed of a support base and rollers, and the rollers are rotatably connected with the support base through rotating rods, wherein the height of two support rollers is higher than that of the other two support rollers, the two support rings are respectively in contact with the rollers on the support rollers, and the filter cartridge is placed obliquely.

Particularly, the roller on the supporting roller can play a role in supporting the filter cartridge, so that the filter cartridge is further more stable, and the filter cartridge is obliquely arranged, so that large impurities can directly fall from one side of the filter cartridge, and the normal use of the filter cartridge is further ensured.

In a preferred embodiment, a motor is fixedly connected to the frame, a first gear is fixedly connected to a driving shaft of the motor, and a second gear engaged with the first gear is fixedly connected to the rotating rod.

The side wall of the rotating rod is coaxially and fixedly connected with a first belt pulley, the side wall of the filter cylinder is coaxially and fixedly connected with a second belt pulley, and the first belt pulley and the second belt pulley are in transmission connection through a first belt.

The transmission assembly comprises a third belt pulley fixedly connected to the rotating rod, a fourth belt pulley is coaxially and fixedly connected to the side wall of the rotating shaft, and the third belt pulley and the fourth belt pulley are in transmission connection through a second belt.

When the motor works, the rotating rod can be rotated under the assistance of the first gear and the second gear, the filter cylinder can be normally rotated under the assistance of the first belt pulley and the second belt pulley, the rotating shaft can be rotated under the assistance of the third belt pulley and the fourth belt pulley, and other parts can be further normally rotated, so that the normal operation of the device is ensured.

In a preferred embodiment, the support assembly includes a first bearing seat fixedly connected to the upper end of the frame, and one end of the rotating rod passes through a side wall of the first bearing seat and extends to the outside thereof, and the rotating rod and the rotating shaft are respectively rotatably connected to the support plate.

Wherein first bearing frame can play the purpose of supporting the bull stick to the backup pad can play the purpose of firm bull stick and pivot, further improvement the stability of device, avoided breaking away from of bull stick and pivot, indirect improvement the practicality of device.

In a preferred embodiment, the moving assembly includes two connecting rods fixedly connected to the fourth belt pulley, one end of each of the two connecting rods is fixedly connected to the same first conveying blade, and a second conveying blade is disposed in the frame and is fixedly connected to the rotating shaft.

The conveying assembly comprises a support ring fixedly connected to the frame, a conveying pipe fixedly connected to the support ring, a plurality of through holes arranged at the output end of the conveying pipe, a feed hopper fixedly connected to the input end of the conveying pipe, second conveying blades in the conveying pipe, and one end of a rotating shaft extending into the conveying pipe

Particularly, when the fourth belt pulley and the rotating shaft rotate, the first conveying blade and the second conveying blade can rotate along with the fourth belt pulley and the rotating shaft, wherein the first conveying blade can prevent impurities from being accumulated on one side of the filter cylinder, and meanwhile, the second conveying blade can enable materials in the conveying cylinder to gradually enter the filter cylinder, so that excessive materials are prevented from being accumulated in the filter cylinder at one time, and the filtering effect of the device is indirectly improved.

In a preferred embodiment, drive assembly includes the third gear of fixed connection on the bull stick, the both sides of third gear are equipped with engaged with it fourth gear, two equal fixedly connected with dwang on the fourth gear, two bellows of fixedly connected with on the frame, two equal fixedly connected with second bearing frame on the interior bottom of bellows, two the lateral wall that two bellows were passed respectively to the one end of dwang extends to in two second bearing frame, two equal fixedly connected with flabellum, two on the dwang the output of bellows is connected with the jet-propelled pipe respectively.

When the rotating rod rotates, the two fourth gears can rotate to enable the fan blades to rotate, so that outside air can enter the air injection pipe, the purpose of cleaning the filter cylinder is further achieved, and the practicability of the device is indirectly improved.

In a preferred embodiment, a plurality of rotating seats are fixedly connected to the frame, a knocking block capable of rotating is arranged in each rotating seat, and a plurality of protrusions respectively contacting with the knocking block are fixedly connected to the side wall of the filter cylinder.

Wherein when straining a section of thick bamboo pivoted, just can make the lug contact with knocking the piece to just can make and strike the piece and keep away from thereupon straining a section of thick bamboo, under the influence of gravity, just can make and strike the piece and constantly strike on straining a section of thick bamboo, further improvement the device to straining the clearance effect of a section of thick bamboo, indirect improvement the practicality of device.

The invention has the technical effects and advantages that:

in the device, a worker can start the motor through the controller to enable the rotating rod to rotate, when the rotating rod rotates, the first conveying blade and the second conveying blade can rotate along with the rotating rod, sand can gradually move forwards from the conveying pipe, the sand can be uniformly conveyed into the filter cylinder, excessive sand is prevented from being accumulated in the filter cylinder at one time, the filtering effect of the filter cylinder is indirectly improved, when larger particles are encountered in the sand, the large particles can be discharged from the conveying pipe with the aid of the second conveying blade, the filtering effect of the device is indirectly improved, the sand falling on the filter cylinder is prevented from being blocked due to the rotation of the filter cylinder, and meanwhile, impurities can be gradually discharged with the aid of the first conveying blade, thereby improving the filtering effect of the device.

Meanwhile, when the rotating rod rotates, the third gear can rotate, so that gas can enter the gas spraying pipe, the gas spraying pipe is positioned above the filter cylinder, the gas can be further sprayed to the filter cylinder, the filter cylinder can be cleaned by the device, the blockage of the filter cylinder is further avoided, the filter cylinder can be normally used, and the filter effect of the filter cylinder is indirectly improved.

When the filter cylinder rotates, the convex block can rotate along with the filter cylinder, the convex block can support the knocking block, when the convex block is far away from the knocking block, the knocking block is knocked on the filter cylinder along with the convex block, so that the filter cylinder can be knocked again, impurities on the filter cylinder can be cleaned again, the filter effect of the filter cylinder is further improved, resources can be saved through the motor in the filter cylinder, the filter, the feeding, the cleaning and the like, and the practicability of the filter cylinder is indirectly improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a side view of the present invention.

Fig. 3 is a schematic bottom view of the connection structure of the present invention.

Fig. 4 is a schematic view of a first viewing angle connection structure according to the present invention.

Fig. 5 is a schematic cross-sectional view of the connection structure of the present invention.

Fig. 6 is a side view of the connection structure of fig. 5.

Fig. 7 is a schematic view of a partial connection structure of the present invention.

Fig. 8 is a schematic view of the bottom connection structure of fig. 7.

FIG. 9 is a schematic top view of the connection of FIG. 7;

FIG. 10 is a schematic view of a partial connection structure of the present invention;

fig. 11 is a schematic top view of the connection structure of fig. 10.

The reference signs are: 1 frame, 2 filter cylinders, 3 support rollers, 4 support rings, 5 rotating rods, 6 rotating shafts, 7 gas nozzles, 8 motors, 9 first gears, 10 second gears, 11 first belt pulleys, 12 second belt pulleys, 13 first belts, 14 third belt pulleys, 15 fourth belt pulleys, 16 second belts, 17 first bearing seats, 18 support plates, 19 connecting rods, 20 first conveying blades, 21 second conveying blades, 22 third gears, 23 fourth gears, 24 rotating rods, 25 bellows, 26 second bearing seats, 27 fan blades, 28 rotating seats, 29 knocking blocks, 30 lugs, 31 support rings, 32 conveying pipes and 33 feed hoppers.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-11, an environment-friendly and energy-saving bridge construction sand filter comprises a frame 1, wherein it is particularly noted that the frame 1 is a metal frame, so as to meet the overall stability of the device and further improve the practicability of the device, a rotatable filter cylinder 2 is arranged in the frame 1, a first belt pulley 11 is coaxially and fixedly connected to the side wall of a rotating rod 5, a second belt pulley 12 is coaxially and fixedly connected to the side wall of the filter cylinder 2, and the first belt pulley 11 and the second belt pulley 12 are in transmission connection through a first belt 13, it is particularly noted that when the rotating rod 5 rotates, the first belt pulley 11 can rotate, and with the aid of the first belt 13, the second belt pulley 12 can rotate therewith, so that the filter cylinder 2 can normally rotate, and further the filter cylinder 2 can be normally used.

The frame 1 is fixedly connected with a plurality of supporting rolls 3, the filter cartridge 2 is fixedly connected with supporting rings 4 respectively contacted with the supporting rolls 3, the supporting rolls 3 are composed of supporting seats and rollers, and the rollers are rotatably connected with the supporting seats through rotating rods, wherein particularly, two ends of the rotating rods are respectively fixedly connected with the supporting seats, and the rollers are rotatably connected with the rotating rods, when the filter cartridge 2 rotates, the supporting rings 4 can rotate along with the supporting rolls, the filter cartridge 2 can be more stable under the action of the supporting rings 4, wherein the height of two supporting rolls 3 is higher than that of the other two supporting rolls 3, the two supporting rings 4 are respectively contacted with the rollers on the supporting rolls 3, the filter cartridge 2 is obliquely placed, particularly, the height of the supporting rolls 3 can not enable the filter cartridge 2 to be obliquely placed, when the filter cartridge 2 is obliquely placed, and when the filter cartridge 2 filters sand, the impurities can be discharged from the lower end and the filtered sand can fall down from the filter cartridge 2, further enabling the filter cartridge 2 to filter the sand properly.

The upper portion of frame 1 is equipped with pivoted bull stick 5, fixedly connected with motor 8 on frame 1, fixedly connected with first gear 9 on the drive shaft of motor 8, fixedly connected with second gear 10 with first gear 9 engaged with on bull stick 5, wherein it is particularly noted that motor 8 is prior art, does not state here too much, and when motor 8 worked, just can make first gear 9 rotate, when first gear 9 rotated, just can be second gear 10 rotates along with it, just can make bull stick 5 rotate along with it, further can make other spare part normal rotation.

The frame 1 is connected with a supporting component for supporting the rotating rod 5, the supporting component comprises a first bearing seat 17 fixedly connected to the upper end of the frame 1, and one end of the rotating rod 5 passes through the side wall of the first bearing seat 17 and extends to the outer side of the first bearing seat, wherein the first bearing seat 17 has the purpose of supporting the rotating rod 5, so that the rotating rod 5 can normally rotate, one end of the rotating rod 5 is provided with a supporting plate 18, the rotating rod 5 and the rotating shaft 6 are respectively and rotatably connected with the supporting plate 18, and particularly, a bending rod is arranged between the supporting plate 18 and the first bearing seat 17 and has the purpose of supporting the supporting plate 18, and the supporting plate 18 has the purpose of supporting the rotating rod 5 and the rotating shaft 6, so that the rotating shaft 6 and the rotating rod 5 can be further stabilized, and the stability of the device is indirectly improved.

The rotating shaft 6 is arranged below the frame 1, the transmission component is arranged between the rotating rod 5 and the rotating shaft 6 and comprises a third belt pulley 14 fixedly connected to the rotating rod 5, a fourth belt pulley 15 is coaxially and fixedly connected to the side wall of the rotating shaft 6, and the third belt pulley 14 and the fourth belt pulley 15 are in transmission connection through a second belt 16, wherein the third belt pulley 14 can be rotated when the rotating rod 5 rotates, the fourth belt pulley 15 can be rotated with the aid of the second belt 16, so that the rotating shaft 6 can be rotated with the aid of the second belt 16, and further, other parts can be normally used.

The frame 1 is connected with a conveying component which comprises a supporting ring 31 fixedly connected on the frame 1, a conveying pipe 32 is fixedly connected on the supporting ring 13, the output end of the conveying pipe 32 is provided with a plurality of through holes, the input end of the conveying pipe 32 is fixedly connected with a feeding hopper 33, the second conveying blade 21 is positioned in the conveying pipe 32, one end of the rotating shaft 6 extends into the conveying pipe 32, it is particularly noted that the worker can directly pour sand into the feed hopper 33, and then when the rotating shaft 6 rotates, the second conveyor blade 21 can rotate along with the sand, and the second conveyor blade 21 is consistent with the conveyor blade in the dragon conveyor, and under the assistance of the through holes, the material can gradually enter the filter cylinder 2, and when large impurities exist in the material, the material can be directly discharged from the conveying pipe 32, so that the filtering effect of the filter cylinder 2 is further improved.

One end of the rotating shaft 6 extends into the conveying component, the transmission component is connected with a moving component which is contacted with the conveying component, the moving component comprises two connecting rods 19 which are fixedly connected to the fourth belt pulley 15, one end of each connecting rod 19 is fixedly connected with the same first conveying blade 20, the frame 1 is internally provided with a second conveying blade 21, and the second conveying blade 21 is fixedly connected with the rotating shaft 6, wherein particularly, the fourth belt pulley 15 can be driven by the second belt 16 to rotate along with the fourth belt pulley 15, so that the connecting rods 19 can rotate along with the fourth belt pulley, when the connecting rods 19 rotate, the first conveying blades 20 can rotate along with the fourth belt pulley, particularly, the first conveying blades 20 are not contacted with the side wall of the filter cylinder 2, so that certain impurities can be conveyed, and further, the impurities can be prevented from being accumulated on one side of the filter cylinder 2, thereby improving the filtering effect of the filter cartridge 2, and the second conveying blade 21 can achieve the purpose of conveying materials, thereby indirectly improving the practicability of the device.

The rotating rod 5 is connected with a driving assembly, the driving assembly comprises a third gear 22 fixedly connected to the rotating rod 5, and fourth gears 23 meshed with the third gear 22 are arranged on two sides of the third gear 22, and it is particularly noted that when the third gear 22 rotates, the two fourth gears 23 can rotate along with the third gear, and further the rotating rod 24 can rotate along with the third gear.

The two fourth gears 23 are fixedly connected with rotating rods 24, the frame 1 is fixedly connected with two bellows 25, wherein, particularly, the air inlet end of the bellows 25 is provided with a through hole so as to enable the external air to be conveyed into the bellows 25, the inner bottom parts of the two bellows 25 are fixedly connected with second bearing seats 26, wherein, particularly, the second bearing seats 26 have the purpose of supporting the rotating rods 24, further, the device can be more stable, one end of each of the two rotating rods 24 respectively penetrates through the side walls of the two bellows 25 and extends into the two second bearing seats 26, and the two rotating rods 24 are fixedly connected with fan blades 27, wherein, particularly, when the two fan blades 27 rotate, the external air can enter the bellows 25, and particularly, the air outlet pipes are arranged on the bellows 25 and connected with the air injection pipe 7 through a shunt pipe, thereby just can make gas-jet tube 7 produce gas, just so can make and strain a section of thick bamboo 2 and obtain the clearance, further improvement the clearance effect of device, two bellows 25's output is connected with gas-jet tube 7 respectively, frame 1's interior top end fixedly connected with gas-jet tube 7, drive assembly's output is connected with gas-jet tube 7.

The frame 1 is fixedly connected with a plurality of rotating seats 28, a plurality of knocking blocks 29 which can rotate are arranged in the plurality of rotating seats 28, and a plurality of lugs 30 which are respectively contacted with the knocking blocks 29 are fixedly connected to the side wall of the filter cylinder 2, wherein a cross bar is particularly noticed to be arranged between the rotating seats 28, two ends of the cross bar are respectively and rotatably connected with the rotating seats 28, a coil spring which is connected with the rotating seats 28 is fixedly connected to the cross bar, one end of each knocking block 29 is in a round block shape, meanwhile, each lug 30 is in an arc shape, when the filter cylinder 2 rotates, the lug 30 can rotate along with the cross bar, when the lug 20 is contacted with the knocking block 29, the knocking block 29 can tilt along with the lug, when the lug 20 is far away from the knocking block 29, the knocking block 29 can be knocked on the filter cylinder 2 along with the lug under the assistance of the coil spring and the cross bar, so that impurities on the filter cylinder 2 can be cleaned, therefore, the filtering effect of the filter cylinder 2 can be improved, and the practicability of the device is indirectly improved.

In the invention, when a worker needs to use the device, the worker can start the motor 8 through the controller, pour sand into the feed hopper 33, simultaneously rotate the first gear 9 when the motor works, so that the second gear 10 can rotate along with the first gear, so that the rotating rod 5 can rotate, rotate the first belt pulley 11 along with the rotating rod 5, and rotate the second belt pulley 12 along with the first belt 13 when the first belt pulley 11 rotates, so that the filter cartridge 2 can rotate along with the second belt pulley.

In the process, as the rotating rod 5 rotates, the third belt pulley 14 rotates along with the rotating rod, and the fourth belt pulley 15 rotates along with the rotation of the second belt 16, and further, the rotating shaft 6 rotates along with the rotation of the rotating shaft, so that the first conveying blade 20 and the second conveying blade 21 rotate along with the rotating rod, and as the second conveying blade 21 rotates, sand gradually moves forward from the conveying pipe 32, and as the conveying pipe 32 is provided with through holes, the sand gradually falls into the filter cartridge 2, and as larger particles are encountered in the sand, as the second conveying blade 21 assists, large particles are discharged from the conveying pipe 32, and the sand falling onto the filter cartridge 2 can be filtered due to the rotation of the filter cartridge 2, and in the process, as the filter cartridge 2 is obliquely placed, the impurities are gradually introduced into the lower end of the cartridge 2 and are gradually discharged with the aid of the first conveyor blade 20, thereby preventing clogging of the cartridge 2.

Meanwhile, when the rotating rod 5 rotates, the third gear 22 can rotate, and the third gear 22 is meshed with the fourth gear 23, so that the fourth gear 23 can rotate along with the third gear, the rotating rod 24 can rotate along with the third gear, and when the rotating rod 24 rotates, the fan blades 27 can rotate along with the fourth gear, so that external air can further enter the air box 25, and then the air can enter the air injection pipe 7, and the air injection pipe 7 is positioned above the filter cartridge 2, so that the filter cartridge 2 can be cleaned again.

When the filter cartridge 2 rotates, the lug 30 can rotate along with the filter cartridge, when the lug 30 is in contact with the knocking block 29, the knocking block 29 can be supported by the lug 30, when the lug 30 is far away from the knocking block 29, and simultaneously, under the assistance of the cross rod and the coil spring, the knocking block 29 is knocked on the filter cartridge 2 along with the lug 29, so that the filter cartridge 2 can be cleaned again.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined mutually under the condition of no conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. An environment-friendly energy-saving type bridge construction sand filtering machine comprises a frame (1), wherein a rotatable filter cylinder (2) is arranged in the frame (1), a plurality of supporting rollers (3) are fixedly connected to the frame (1), and supporting rings (4) which are respectively contacted with the supporting rollers (3) are fixedly connected to the filter cylinder (2);

a rotatable rotating rod (5) is arranged above the frame (1), a supporting assembly for supporting the rotating rod (5) is connected to the frame (1), a rotating shaft (6) is arranged below the frame (1), and a transmission assembly is arranged between the rotating rod (5) and the rotating shaft (6);

the frame (1) is connected with a conveying assembly, one end of the rotating shaft (6) extends into the conveying assembly, and the transmission assembly is connected with a moving assembly which is in contact with the conveying assembly;

the air injection device is characterized in that a driving assembly is connected to the rotating rod (5), an air injection pipe (7) is fixedly connected to the inner top end of the frame (1), and the output end of the driving assembly is connected with the air injection pipe (7).

2. The environment-friendly energy-saving bridge construction sand filter according to claim 1, characterized in that: it is a plurality of backing roll (3) comprise supporting seat and gyro wheel, and the gyro wheel passes through the dwang and is connected with the supporting seat rotation, wherein the height of two backing rolls (3) is higher than the height of two other backing rolls (3), two support ring (4) contact with the gyro wheel on a plurality of backing rolls (3) respectively, strain a section of thick bamboo (2) slope and place.

3. The environment-friendly energy-saving bridge construction sand filter according to claim 1, characterized in that: fixedly connected with motor (8) on frame (1), fixedly connected with first gear (9) on the drive shaft of motor (8), fixedly connected with second gear (10) with first gear (9) looks meshing on bull stick (5).

4. The environment-friendly energy-saving bridge construction sand filter according to claim 1, which is characterized in that: the side wall of the rotating rod (5) is coaxially and fixedly connected with a first belt pulley (11), the side wall of the filter cylinder (2) is coaxially and fixedly connected with a second belt pulley (12), and the first belt pulley (11) and the second belt pulley (12) are in transmission connection through a first belt (13).

5. The environment-friendly energy-saving bridge construction sand filter according to claim 1, which is characterized in that: the transmission assembly comprises a third belt pulley (14) fixedly connected to the rotating rod (5), a fourth belt pulley (15) is coaxially and fixedly connected to the side wall of the rotating shaft (6), and the third belt pulley (14) and the fourth belt pulley (15) are in transmission connection through a second belt (16).

6. The environment-friendly energy-saving bridge construction sand filter according to claim 1, which is characterized in that: the supporting component comprises a first bearing seat (17) fixedly connected to the upper end of the frame (1), one end of the rotating rod (5) penetrates through the side wall of the first bearing seat (17) and extends to the outer side of the first bearing seat, a supporting plate (18) is arranged at one end of the rotating rod (5), and the rotating rod (5) and the rotating shaft (6) are respectively connected with the supporting plate (18) in a rotating mode.

7. The environment-friendly energy-saving bridge construction sand filter according to claim 1, characterized in that: the moving assembly comprises two connecting rods (19) fixedly connected to a fourth belt pulley (15), one end of each connecting rod (19) is fixedly connected with a first conveying blade (20), a second conveying blade (21) is arranged in the frame (1), and the second conveying blades (21) are fixedly connected with the rotating shaft (6).

8. The environment-friendly energy-saving bridge construction sand filter according to claim 1, characterized in that: the conveying assembly comprises a support ring (31) fixedly connected to the frame (1), a conveying pipe (32) fixedly connected to the support ring (13), a plurality of through holes are formed in the output end of the conveying pipe (32), a feed hopper (33) is fixedly connected to the input end of the conveying pipe (32), the second conveying blades (21) are located in the conveying pipe (32), and one end of the rotating shaft (6) extends into the conveying pipe (32).

9. The environment-friendly energy-saving bridge construction sand filter according to claim 1, which is characterized in that: drive assembly includes third gear (22) on fixed connection bull stick (5), the both sides of third gear (22) are equipped with fourth gear (23) with it meshing, two equal fixedly connected with dwang (24) on fourth gear (23), two bellows (25) of fixedly connected with on frame (1), two equal fixedly connected with second bearing seat (26) on the interior bottom of bellows (25), two the lateral wall that two bellows (25) were passed respectively to the one end of dwang (24) extends to in two second bearing seat (26), two equal fixedly connected with flabellum (27) on dwang (24), two the output of bellows (25) is connected with jet-propelled pipe (7) respectively.

10. The environment-friendly energy-saving bridge construction sand filter according to claim 1, which is characterized in that: the filter cartridge is characterized in that a plurality of rotary seats (28) are fixedly connected to the frame (1), a knocking block (29) capable of rotating is arranged in each rotary seat (28), and a plurality of protruding blocks (30) which are respectively contacted with the knocking blocks (29) are fixedly connected to the side wall of the filter cartridge (2).