CN217046987U

CN217046987U - Noise reduction device of concrete mixing plant

Info

Publication number: CN217046987U
Application number: CN202220647498.0U
Authority: CN
Inventors: 雷长庚; 李培; 李龙
Original assignee: Beijing Guyun Concrete Co ltd
Current assignee: Beijing Guyun Concrete Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-26
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a device of making an uproar falls in concrete mixing plant relates to concrete mixing equipment's technical field, and it includes stage body and churn, and the churn level sets up on the stage body, and the both ends of stage body all are provided with the lock ring that the cover was located the churn both ends, and the both sides of stage body all are provided with the sound-proof housing that is used for the cover to establish the churn, sound-proof housing and stage body horizontal sliding connection, and the inside actuating mechanism who keeps away from each other or be close to of a pair of sound-proof housing of drive that is provided with of stage body. This application can carry out the sound-proof housing that the sound-proof housing established to the churn through the setting, has effectively reduced the noise that the churn during operation produced, and then has effectively reduced the holistic noise pollution of concrete mixing plant.

Description

Noise reduction device of concrete mixing plant

Technical Field

The application relates to the field of concrete mixing equipment, in particular to a noise reduction device of a concrete mixing plant.

Background

The concrete mixing plant is mainly used for concrete engineering and mainly used for mixing and mixing concrete, and is also called as a concrete mixing plant. On one hand, the standard proportion of concrete aggregate and powder is manufactured through the concrete mixing station, so that the concrete is standardized, on the other hand, the aggregate and the powder are added in the concrete mixing station, and the environmental pollution of a construction site is reduced.

However, in the process of concrete mixing operation of the existing concrete mixing plant, great noise is generated, so that the noise pollution of the concrete mixing plant is great and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to reduce the noise pollution of concrete mixing plant, this application provides a concrete mixing plant noise reduction device.

The application provides a concrete mixing plant noise reduction device adopts following technical scheme:

the utility model provides a device of making an uproar falls in concrete mixing plant, includes stage body and churn, the churn level set up in on the stage body, the both ends of stage body are provided with and overlap respectively and locate the lock ring at churn both ends, the both sides of stage body all are provided with and are used for the cover to establish the sound-proof housing of churn, the sound-proof housing with stage body horizontal sliding connects, just it is a pair of that the stage body is inside to be provided with the drive actuating mechanism that the sound-proof housing was kept away from each other or is close to.

Through adopting above-mentioned technical scheme, when concrete mixing plant is in operating condition, utilize a pair of sound-proof housing of actuating mechanism drive to the one side that is close to each other and slide, realize establishing the cover of churn, reduce the noise that the churn during operation produced, and then reduce the noise that concrete mixing plant during operation produced. Through setting up the sound-proof housing that can carry out the sound-proof housing to the churn and establish, effectively reduced the noise that the churn during operation produced, and then effectively reduced the holistic noise pollution of concrete mixing plant.

Optionally, actuating mechanism includes drive shaft, a pair of drive gear and two pairs of pinion racks, the drive shaft level set up in and follow in the stage the length direction of stage sets up, just the drive shaft with the stage rotates to be connected, and is a pair of drive gear set up respectively in the both ends of drive shaft, it is every right pinion rack level respectively set up in drive gear about both sides and with drive gear meshing transmission, it is a pair of the pinion rack deviates from one side of drive gear run through behind the stage lateral wall with sound-proof housing fixed connection, just the pinion rack with stage horizontal sliding connection, the one end of drive shaft run through in the stage end wall is provided with driving hand wheel.

Through adopting above-mentioned technical scheme, when driving a pair of sound-proof housing to keeping away from each other or when being close to one side and sliding, only need utilize the drive hand wheel control drive shaft rotatory, the drive shaft drives a pair of drive gear rotation, and then drive gear drive a pair of pinion rack to keep away from each other or the one side that is close to slides to pinion rack drive sound-proof housing slides to the one side that keeps away from each other or is close to, realizes the drive of sliding of sound-proof housing. Through setting up simple structure and job stabilization's actuating mechanism, realized the stable drive that slides of sound-proof housing, and then guaranteed the normal operating condition of sound-proof housing.

Optionally, the toothed plates are provided with limiting strips for limiting the outward sliding length of the toothed plates.

Through adopting above-mentioned technical scheme, through setting up spacing, guaranteed the normal engaged state of pinion rack and drive gear, and then guaranteed the normal operating condition of drive structure.

Optionally, the mixing drum and the support ring are connected in a rotating mode, a gear ring is sleeved at the middle position of the mixing drum, a driving motor is arranged on the table body, an auxiliary gear is arranged at the tail end of an output shaft of the driving motor, and the auxiliary gear is meshed with the gear ring to transmit power.

Through adopting above-mentioned technical scheme, when the churn was in operating condition, driving motor started, and then driving motor passed through the driven auxiliary gear of intermeshing and ring gear drive churn rotation, has effectively avoided the concrete adhesion at the churn inner wall, has guaranteed the effect of concrete mixing, helps guaranteeing the clean and tidy of churn simultaneously, and the staff of being convenient for clears up the churn.

Optionally, one end of the mixing drum is open, an end cover covering the port of the mixing drum is arranged on the mixing drum, the end cover is hinged to the mixing drum, and a locking mechanism for locking the connection state of the end cover and the mixing drum is arranged on the end cover.

Through adopting above-mentioned technical scheme, through setting up the end cover, the staff of being convenient for adds the raw materials to in the churn.

Optionally, the locking mechanism includes a locking shaft, a plurality of locking levers, a plurality of pulleys and a plurality of connecting ropes, a working chamber is arranged inside the end cover, a plurality of sliding holes communicated with the inside of the working chamber are uniformly arranged on the end wall of the end cover along the circumferential direction of the end cover, the plurality of locking levers are sequentially arranged in the sliding holes and slidably connected with the sliding holes, a driving spring sleeved on the locking lever is arranged in the plurality of sliding holes, the driving spring is used for driving the locking lever to slide outwards, the locking shaft is arranged in the working chamber and rotatably connected with the end cover, a driving disc with a groove is arranged on the locking shaft, the plurality of pulleys are uniformly arranged along the circumferential direction of the edge of the working chamber, one end of each connecting rope is connected with the plurality of locking levers, and the other end of each connecting rope is fixedly connected with the end face of the driving disc, and the connecting rope crosses over the pulley, and the inner wall of the mixing drum is provided with a locking groove for embedding the locking rod into the clamping connection.

Through adopting above-mentioned technical scheme, when opening the end cover, at first the rotation of drive locking axle, the winding of locking axle pivoted in-process connection rope is in the recess that is located the driving-disc, and then connects a pair of locking lever of rope drive and slides to the working chamber intracavity, realizes that locking lever and locking groove break away from, can open the end cover this moment. When the end cover is closed, the locking rod is firstly hidden in the sliding hole, then the end cover is driven to be embedded into the port of the stirring cylinder, and then the locking rod is embedded into the locking groove under the driving action of the driving spring, so that the port of the stirring cylinder is closed. Through setting up simple structure and job stabilization's locking mechanical system, realized the convenient start-stop control of churn port, guaranteed the stability of end cover and churn connected state simultaneously.

Optionally, one end of the locking shaft penetrates through the end cover and extends to the outside, and a locking hand wheel is arranged on one side of the end cover through which the locking shaft penetrates.

By adopting the technical scheme, the locking hand wheel is arranged, so that the convenient labor-saving driving of the locking shaft is realized, and the worker can conveniently control the opening and closing of the port of the mixing drum.

Optionally, a working groove is formed in the upper end surface of the table body and located below one of the support rings, a hydraulic cylinder fixedly connected with the support ring is vertically arranged in the working groove, and the other support ring is hinged to the upper end surface of the table body.

Through adopting above-mentioned technical scheme, when adding raw materials or outside transport concrete in to the churn, the ascending lifting of pneumatic cylinder drive churn changes the height at the both ends of churn, and then is convenient for add raw materials or outside transport concrete in to the churn. Through setting up the pneumatic cylinder and with the mutual articulated stage body of churn, realized the slope setting of churn, the staff of being convenient for adds the raw materials or outwards exports the concrete in to the churn.

In summary, the present application includes at least one of the following beneficial technical effects:

the sound-proof shield capable of shielding the mixing drum is arranged, so that the noise generated during the operation of the mixing drum is effectively reduced, and the integral noise pollution of the concrete mixing plant is further effectively reduced;

the driving mechanism which is simple in structure and stable in working is arranged, so that stable sliding driving of the sound-proof shield is realized, and the normal working state of the sound-proof shield is further ensured;

by arranging the locking mechanism which is simple in structure and stable in work, the convenient opening and closing control of the port of the mixing drum is realized, and meanwhile, the stability of the connection state of the end cover and the mixing drum is ensured;

through setting up the pneumatic cylinder and with the mutual articulated stage body of churn, realized the slope setting of churn, the staff of being convenient for adds the raw materials or outwards exports the concrete in to the churn.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic view showing the connection relationship between the agitating drum and the table body in the embodiment of the present application.

FIG. 3 is a schematic view of the connection relationship between the mixing drum and the end cover and the internal structure of the end cover in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of the inside of the stage body in the embodiment of the present application.

Description of reference numerals: 1. a table body; 11. a support ring; 12. a drive motor; 121. an auxiliary gear; 13. a hydraulic cylinder; 14. a working groove; 15. a sound-proof housing; 16. a through hole; 2. a mixing drum; 21. a ring gear; 22. an end cap; 221. a working chamber; 222. a slide hole; 23. a discharge pipe; 231. a control valve; 24. a locking groove; 3. a locking mechanism; 31. a locking shaft; 311. a drive plate; 3111. a groove; 312. locking a hand wheel; 32. a locking lever; 33. a pulley; 34. connecting ropes; 4. a drive spring; 5. a drive mechanism; 51. a drive shaft; 511. driving a hand wheel; 52. a drive gear; 53. a toothed plate; 531. and (5) a limiting strip.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses device of making an uproar falls in concrete mixing plant.

Referring to fig. 1, the noise reduction device for the concrete mixing plant comprises a table body 1 and a mixing drum 2. The churn 2 sets up on stage body 1, and the both ends of stage body 1 up end all are provided with the lock ring 11 that the cover was located churn 2 both ends, and churn 2 rotates with lock ring 11 to connect to at the in-process drive churn 2 rotation of churn 2 work, and then effectively avoid the in-process adhesion of concrete at the stirring at 2 inner walls of churn.

Referring to fig. 2, a gear ring 21 is sleeved in the middle of the mixing drum 2, the gear ring 21 is fixedly connected with the mixing drum 2, a driving motor 12 is horizontally arranged on the upper end face of the table body 1, the driving motor 12 is fixedly connected with the table body 1, and an auxiliary gear 121 meshed with the gear ring 21 for transmission is arranged at the tail end of an output shaft of the driving motor 12 so as to control the mixing drum 2 to rotate through the driving motor 12 and guarantee the mixing effect of concrete.

Referring to fig. 2, one end of the mixing drum 2 is open, and an end cover 22 covering the end of the mixing drum 2 is hinged to the mixing drum 2, so that the worker can add the raw material into the mixing drum 2. The other end of the mixing drum 2 is communicated with a discharge pipe 23, and the discharge pipe 23 is provided with a control valve 231 so as to control the concrete to be output outwards.

Referring to fig. 3, the end cover 22 is provided with a locking mechanism 3 for locking the state of connection between the end cover 22 and the mixer drum 2, and the locking mechanism 3 includes a locking shaft 31, a plurality of locking levers 32, a plurality of pulleys 33, and a plurality of connection ropes 34. Inside working chamber 221 that is provided with of end cover 22, evenly link up along its circumferential direction on the end wall of end cover 22 and be provided with a plurality of slide holes 222, slide hole 222 and working chamber 221 intercommunication, a plurality of locking levers 32 wear to locate in the slide hole 222 in proper order and with slide hole 222 sliding connection, be provided with the drive spring 4 that the locking lever 32 was located to the cover in the

slide hole

222, 2 inner walls of churn are provided with locking groove 24 along its circumference, and drive spring 4 is used for driving locking lever 32 embedding joint in locking groove 24, and then realize the stable connection locking of end cover 22 and churn 2.

Referring to fig. 3, the locking shaft 31 is horizontally disposed in the working cavity 221, and both ends of the locking shaft 31 are rotatably connected to the side wall of the working cavity 221, a driving disc 311 with a groove 3111 is disposed on the locking shaft 31, a plurality of connecting ropes 34 are disposed in the working cavity 221, and both ends of the connecting ropes 34 are respectively fixedly connected to the tail end of the locking lever 32 and the end surface of the driving disc 311, a plurality of pulleys 33 are uniformly disposed along the circumferential direction of the edge of the working cavity 221, and the connecting ropes 34 sequentially cross over the pulleys 33, so as to ensure normal driving of the connecting ropes 34 to the locking lever 32.

Referring to fig. 2 and 3, one end of the locking shaft 31 penetrates through the end cover 22 and extends to the outer side of the end cover 22, and a locking handwheel 312 is disposed at one end of the locking shaft 31 on the outer side, so that the locking handwheel 312 is used to drive the locking shaft 31 in a convenient and labor-saving manner.

Therefore, when the end cover 22 is opened, the locking handwheel 312 is used to drive the locking shaft 31 to rotate, the connecting rope 34 is wound in the groove 3111 on the driving disc 311 during the rotation of the locking shaft 31, and the connecting rope 34 drives the pair of locking rods 32 to slide towards the working cavity 221, so that the locking rods 32 are separated from the locking grooves 24, and the end cover 22 can be opened at this time.

When the end cover 22 is closed, the locking hand wheel 312 is firstly used for driving the locking shaft 31 to rotate, so that the locking rod 32 is hidden in the sliding hole 222, then the end cover 22 is driven to be embedded into the port of the mixing drum 2, then the locking hand wheel 312 is released, and the locking rod 32 is embedded into the locking groove 24 under the driving action of the driving spring 4, so that the port of the mixing drum 2 is closed.

Referring to fig. 2, a hydraulic cylinder 13 is vertically arranged at one end of the upper end surface of the table body 1 close to the end cover 22, a working groove 14 for storing the hydraulic cylinder 13 is arranged on the table body 1, the movable end of the hydraulic cylinder 13 is connected with one of the support rings 11, and the other support ring 11 is hinged with the upper end surface of the table body 1 through a hinge member, so that the heights of the two ends of the mixing drum 2 are adjusted, and a worker can add raw materials into the mixing drum 2 or output concrete.

Referring to fig. 1, sound-proof covers 15 are arranged on two sides of a table body 1, and a pair of sound-proof covers 15 horizontally slide with the table body 1 along the width direction of the table body 1, so that the cover of a mixing drum 2 is arranged when the pair of sound-proof covers 15 slide to one side close to each other, noise transmitted to the outside when the mixing drum 2 works is reduced, and noise pollution of a concrete mixing plant is reduced.

Referring to fig. 4, the inside of the table 1 is hollow, and the inside of the table 1 is provided with a driving mechanism 5 for driving the pair of soundproof covers 15 to slide toward or away from each other. The drive mechanism 5 includes a drive shaft 51, a pair of drive gears 52 and two pairs of toothed plates 53.

Referring to fig. 4, a driving shaft 51 is horizontally disposed inside the table body 1 and is disposed along the length direction of the table body 1, two ends of the driving shaft 51 are rotatably connected to two end walls of the table body 1, a pair of driving gears 52 are disposed at two ends of the driving shaft 51, each pair of toothed plates 53 are disposed at the upper and lower ends of the driving gears 52 and are in meshing transmission with the driving gears 52, through holes 16 for the toothed plates 53 to slide are disposed at two ends of the side wall of the table body 1, and one end of the toothed plates 53 located outside the table body 1 is fixedly connected to the soundproof cover 15, so as to drive the pair of soundproof covers 15 to approach or separate from each other in the movement process of the gear driving toothed plates 53.

Referring to fig. 4, one end of the driving shaft 51 penetrates through the end wall of the table body 1 and is provided with a driving hand wheel 511, so that the driving shaft 51 can be driven conveniently and easily.

Referring to fig. 4, the tooth plates 53 are each provided with a stopper 531 for limiting the outward sliding length of the tooth plate 53, so as to ensure the normal meshing state of the driving gear 52 and the tooth plate 53.

Therefore, when the mixing drum 2 is in an operating state, the driving hand wheel 511 controls the driving shaft 51 to rotate, the driving shaft 51 drives the pair of driving gears 52 to rotate, and the driving gears 52 drive the pair of toothed plates 53 to slide towards the sides close to each other, so that the pair of soundproof covers 15 are covered on the mixing drum 2, and noise generated when the mixing drum 2 operates is reduced.

When the mixing drum 2 completes the mixing operation of the concrete, the driving hand wheel 511 is used for controlling the driving shaft 51 to rotate reversely, so that the pair of toothed plates 53 slide towards the sides far away from each other, and the mixing drum 2 and the related equipment are exposed outside.

The implementation principle of the noise reduction device of the concrete mixing plant in the embodiment of the application is as follows: when the concrete mixing plant is used for mixing, firstly, the end cover 22 is opened to add the relevant raw materials into the mixing drum 2, then the end cover 22 is closed and locked by the locking mechanism 3, then the driving mechanism 5 can be used for covering the pair of sound-proof covers 15 on the mixing drum 2, and the mixing drum 2 and the driving motor 12 are started.

After the mixing drum 2 finishes mixing, the driving mechanism 5 is used for driving the pair of sound-proof covers 15 to slide to one side away from each other, so that the mixing drum 2 and related equipment are exposed outside, then the hydraulic cylinder 13 is used for lifting one end, provided with the end cover 22, of the mixing drum 2, and then the discharge pipe 23 and the suction equipment are connected together to open the control valve 231, so that the mixing work of concrete is finished.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a device of making an uproar falls in concrete mixing plant which characterized in that: including stage body (1) and churn (2), churn (2) level set up in on stage body (1), the both ends of stage body (1) all are provided with the cover and locate the lock ring (11) at churn (2) both ends, the both sides of stage body (1) all are provided with and are used for the cover to establish sound-proof housing (15) of churn (2), sound-proof housing (15) with stage body (1) horizontal sliding connection, just stage body (1) inside is provided with the drive a pair ofly sound-proof housing (15) keep away from each other or actuating mechanism (5) that are close to.

2. The concrete mixing plant noise reduction apparatus of claim 1, wherein: the driving mechanism (5) comprises a driving shaft (51), a pair of driving gears (52) and two pairs of toothed plates (53), the driving shaft (51) is horizontally arranged in the table body (1) and arranged along the length direction of the table body (1), the driving shaft (51) is rotatably connected with the table body (1), a pair of driving gears (52) are respectively arranged at two ends of the driving shaft (51), each pair of toothed plates (53) are horizontally distributed at the upper side and the lower side of the driving gears (52) and are in meshed transmission with the driving gears (52), one side of each pair of toothed plates (53) departing from the driving gears (52) penetrates through the side wall of the table body (1) and is fixedly connected with the soundproof cover (15), and the toothed plate (53) is horizontally and slidably connected with the table body (1), and one end of the driving shaft (51) penetrates through the end wall of the table body (1) and is provided with a driving hand wheel (511).

3. The concrete mixing plant noise reduction apparatus according to claim 2, wherein: the toothed plates (53) are provided with limiting strips (531) used for limiting the outward sliding length of the toothed plates (53).

4. The concrete mixing plant noise reduction apparatus of claim 1, wherein: the churn (2) with the lock ring (11) rotate to be connected, the middle part position cover of churn (2) is equipped with ring gear (21), be provided with driving motor (12) on stage body (1), the end of driving motor (12) output shaft is provided with auxiliary gear (121), auxiliary gear (121) with ring gear (21) meshing passes.

5. The concrete mixing plant noise reduction apparatus of claim 1, wherein: the one end of churn (2) is the setting of opening form, just be provided with end cover (22) that cover the port on churn (2), end cover (22) with churn (2) are articulated mutually, just be provided with the locking on end cover (22) with locking mechanical system (3) of churn (2) hookup state.

6. The concrete mixing plant noise reduction apparatus of claim 5, wherein: the locking mechanism (3) comprises a locking shaft (31), a plurality of locking rods (32), a plurality of pulleys (33) and a plurality of connecting ropes (34), a working cavity (221) is arranged in the end cover (22), a plurality of sliding holes (222) communicated with the working cavity (221) are uniformly formed in the end wall of the end cover (22) along the circumferential direction of the end wall, the locking rods (32) are sequentially arranged in the sliding holes (222) and are in sliding connection with the sliding holes (222), driving springs (4) sleeved on the locking rods (32) and sliding outwards are arranged in the sliding holes (222), the locking shaft (31) is arranged in the working cavity (221) and is rotationally connected with the end cover (22), a driving disc (311) with a groove (3111) is arranged on the locking shaft (31), and the pulleys (33) are uniformly arranged along the circumferential direction of the edge of the working cavity (221), many the one end of connecting rope (34) is connected with a plurality of locking levers (32) respectively, the other end with driving-disc (311) terminal surface fixed connection, just connect rope (34) and stride across pulley (33), churn (2) inner wall sets up in the confession locking groove (24) of locking lever (32) embedding joint.

7. The concrete mixing plant noise reduction apparatus of claim 6, wherein: one end of the locking shaft (31) penetrates through the end cover (22) and extends to the outer side, and the locking shaft (31) penetrates through the locking hand wheel (312) arranged on one side of the end cover (22).

8. The concrete mixing plant noise reduction apparatus of claim 1, wherein: the upper end face of the table body (1) is provided with a working groove (14) located below the support ring (11), a hydraulic cylinder (13) connected with the support is vertically arranged in the working groove (14), and the other support ring (11) is hinged to the upper end face of the table body (1).