CN210910631U

CN210910631U - Aggregate temporary storage bin of concrete mixing plant

Info

Publication number: CN210910631U
Application number: CN201921547753.9U
Authority: CN
Inventors: 李胜; 李恒芳; 朱锡
Original assignee: Guangdong Dongfang Concrete Co ltd
Current assignee: Guangdong Dongfang Concrete Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-07-03
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to an aggregate temporary storage bin of a concrete mixing station, which comprises a tank body which is hollow and has a conical lower part, a first baffle plate which is transversely arranged and divides the inner cavity of a shell into a feeding bin and a storage bin, and a second baffle plate which is vertically arranged and divides the inner cavity of the storage bin into a fine sand cavity and a sandstone cavity, wherein the side wall of the feeding bin is provided with a feeding hole, the feeding bin is provided with a guide rotary drum which is hollow and coaxially and rotatably connected with the tank body and a driving component which drives the guide rotary drum to rotate and feeds the fine sand cavity and the sandstone cavity, the bottom of the guide rotary drum is provided with a guide hole and a guide hopper which is communicated with the guide hole and passes through the first baffle plate, the guide hopper is positioned above the second baffle plate, the first baffle plate is provided with a guide chute for the guide hopper to pass through, the bottoms of the fine sand cavity and the sandstone cavity are both provided with a discharge opening and, the mortar stone-wrapping method has the advantages of realizing the respective storage of sand and stone and meeting the requirement of secondary putting of the mortar stone-wrapping method.

Description

Aggregate temporary storage bin of concrete mixing plant

Technical Field

The utility model relates to a concrete mixing equipment technical field especially relates to a concrete mixing plant's aggregate temporary storage storehouse.

Background

The traditional concrete stirring process is that stones, sand, cement, water, additives and other raw materials are put into a stirring main machine together for stirring, and the qualified concrete is obtained after uniform stirring. With the continuous development of the stirring process, a mortar stone-wrapped stirring process appears, namely, sand, cement and water are put into a stirring main machine for stirring for a period of time, and then stones are put into the stirring main machine for stirring. Experiments prove that under the same formula, the strength of the concrete can be improved by 10 to 20 percent by applying the mortar stone-wrapping stirring process, and if the concrete has the same strength, the cement can be saved by 5 to 10 percent, so that the production cost of the concrete is effectively reduced. The mortar stone-wrapping stirring process is a trend for the development of the stirring industry in the future, and the mortar stone-wrapping process adopting secondary feeding can effectively prevent water from being accumulated on the interface of cement mortar and stones, so that the interface transition layer after hardening is compact in structure and large in bonding force, the strength of concrete is improved, and hydration heat and cracks are further reduced.

The aggregate transition bin used in the existing mixing plant is generally of a single-outlet single-bin type, and when the mortar stone-wrapping method is used for mixing concrete, sand and stones need to be conveyed twice, so that the aggregate conveying period is easily prolonged, and the productivity of the mixing plant is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a storehouse is kept in to aggregate of concrete mixing plant has and realizes that sand, stone deposit respectively, satisfies the mortar and wraps up in the advantage that stone method secondary was put in.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a concrete mixing plant's aggregate temporary storage bin, is conical jar body, horizontal setting and divide into the casing inner chamber and throws first baffle, the vertical setting of feed bin and storage silo and divide into the second baffle in fine sand chamber and grit chamber with the storage silo inner chamber including cavity setting and lower part, the lateral wall of throwing the feed bin is provided with the feed inlet, it is equipped with cavity setting and coaxial rotation to throw the feed bin and connect in the guide rotary drum of the jar body with drive the guide rotary drum and rotate and carry out the drive assembly of blowing to fine sand chamber and grit chamber, the bottom of guide rotary drum be equipped with the guide opening and communicate in the guide opening just passes the guide hopper of first baffle, the guide hopper is located the top of second baffle, and first baffle is provided with the baffle box that supplies the guide hopper to pass, the bottom in fine sand chamber and grit chamber all is provided with the discharge opening and opens and close the baffle of unloading of mouth.

Through adopting above-mentioned technical scheme, the aggregate is divided into two kinds of condition entering storage silo after getting into the feed bin by the feed inlet, and one is firstly falls into the guide rotary drum, and through the guide mouth, the guide fill falls into fine sand chamber, and its two is through guide rotary drum, guide mouth, guide fill fall into the grit chamber, and the guide rotary drum is driven by drive assembly and is rotated, realizes depositing respectively and getting into the mixer in batches different aggregates, realizes throwing in batches, satisfies sand in the mortar parcel stone method, the principle that the stone divides the secondary to throw in.

The utility model discloses further set up to: the upper end face of the first partition plate is fixedly connected with a support frame, the upper end face of the support frame is abutted to the lower end face of the material guide rotary drum, the driving assembly comprises a vertical rotating shaft, one end of the vertical rotating shaft is rotatably connected to the first partition plate, the end face of the vertical rotating shaft is sleeved with a first bevel gear of the first partition plate, a transmission rod which is transversely arranged and is positioned between the material guide rotary drum and the first partition plate, the transmission rod is sleeved with a second bevel gear of the first bevel gear, the transmission rod is positioned outside the tank body, the rotating shaft penetrates through the side wall of the tank body and is fixedly connected to the servo motor of the transmission rod.

Through adopting above-mentioned technical scheme, the support frame plays supporting role and provides certain installation space for axis of rotation, bevel gear group, transfer line to the guide rotary drum, sets up in jar external servo motor through changing forward counter rotation, realizes depositing the categorised of aggregate from throwing the feed bin to the change of storage silo route to the aggregate.

The utility model discloses further set up to: the guide chute is a half annular groove, the central axis of the guide chute is superposed with the axis of the rotating shaft, the starting position and the ending position of the guide chute are respectively positioned above the fine sand cavity and the gravel cavity, and the transmission rod is positioned on one side far away from the guide chute.

Through adopting above-mentioned technical scheme, the axis that sets up the baffle box coincides with the axis of rotation, guarantees that the baffle hopper extends reverse slip along the baffle box steadily, prevents that the baffle hopper from colliding in first baffle at the rotation in-process.

The utility model discloses further set up to: the material guide opening is formed in the edge of the bottom of the material guide rotary drum, the inner wall of the bottom of the material guide rotary drum is arranged at a certain inclination angle, and the height of the inner wall of the bottom of the material guide rotary drum is gradually increased towards the direction away from the material guide opening.

Through adopting above-mentioned technical scheme, the bottom inner wall of guide rotary drum is certain inclination and sets up, and the aggregate drops to the storage silo by the guide fill because the easy landing of dead weight to guide mouth for guide efficiency prevents effectively that the aggregate from piling up at the guide rotary drum.

The utility model discloses further set up to: the inner side wall of the feeding bin is supported with a rolling wheel, and the circumferential side wall of the material guide rotary drum is abutted with the circumferential surface of the rolling wheel.

Through adopting above-mentioned technical scheme, set up the wheel that rolls, effectively reduce the frictional force of guide rotary drum and jar body, reduce the frictional wear of guide rotary drum.

The utility model discloses further set up to: the feeding port of the feeding bin is provided with a driving roller for bringing aggregate, and the outer wall of the feeding bin is provided with a dust cover above the feeding port and a dust-raising-prevention component for dust-falling treatment.

Through adopting above-mentioned technical scheme, reduce the aggregate and drop the dust that the guide rotary drum produced, reduce the pollution to the environment.

The utility model discloses further set up to: the dustproof component comprises a water storage tank, a water pumping port, a water delivery pipe and a spray head, wherein the water storage tank is fixedly connected with the upper end face of the tank body, the water pumping port is communicated with the water storage tank and is fixed on the upper end face of the tank body, the water delivery pipe is communicated with a water outlet of the water pumping pump and is located on the lower end face of the dustproof cover, and the spray head is connected to the water.

Through adopting above-mentioned technical scheme, the water pump in with the water storage tank is pumped to the raceway, through the shower nozzle blowout, and the dust that the feed inlet was flown upward is carried out the dust fall and is handled to shower nozzle spun water smoke, reduces the pollution of dust to the air, guarantees operational environment.

The utility model discloses further set up to: the shower nozzle is provided with a plurality of and along raceway length direction equipartition.

Through adopting above-mentioned technical scheme, set up a plurality of shower nozzles, further improve dust removal effect.

To sum up, the utility model discloses following beneficial effect has:

1. aggregate is divided into two kinds of condition entering storage silo after getting into the feed bin by the feed inlet, and one first falls into the guide rotary drum, falls into fine sand chamber through guide mouth, guide fill, and its second falls into the grit chamber through guide rotary drum, guide mouth, guide fill, and the guide rotary drum is driven by drive assembly and is rotated, realizes depositing respectively and getting into the mixer in batches different aggregates, realizes throwing in batches, satisfies the sand in the mortar wrapped up in the stone method, the principle of stone divide secondary input.

2. The bottom inner wall of guide rotary drum is certain inclination and sets up, and the aggregate drops to the storage silo by the guide fill because the easy landing of dead weight to guide mouth for guide efficiency prevents effectively that the aggregate from piling up at the guide rotary drum.

3. The suction pump pumps water in the water storage tank to the water delivery pipe, and the water is sprayed out through the spray head, water mist sprayed out of the spray head carries out dust fall treatment on dust flying up from the feed inlet, so that pollution of the dust to air is reduced, and the working environment is guaranteed.

Drawings

FIG. 1 is a schematic view showing the overall structure of an aggregate temporary storage bin of a concrete mixing plant according to an embodiment;

FIG. 2 is a schematic top view of an aggregate temporary storage bin of a concrete mixing plant according to an embodiment;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic view of the entire structure of the drive assembly of the embodiment.

In the figure, 1, a tank body; 11. a feeding bin; 12. a fine sand cavity; 13. a sandstone chamber; 14. a discharge opening; 15. a discharge baffle; 16. a hydraulic cylinder; 17. a feed inlet; 18. a drive roller; 19. a dust cover; 2. a first separator; 21. a material guide chute; 22. a support frame; 23. a rolling wheel; 3. a second separator; 31. grooving; 4. a dust emission prevention component; 41. a water storage tank; 42. a water pump; 43. a connecting pipe; 44. a water delivery pipe; 45. a spray head; 5. a material guide rotary drum; 51. a material guide port; 52. a material guide hopper; 6. a drive assembly; 61. a rotating shaft; 62. a first bevel gear; 63. a second bevel gear; 64. a transmission rod; 65. a servo motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: the utility model provides a storehouse is kept in temporarily to aggregate of concrete mixing plant, as shown in figure 1, 3, including cavity setting and the lower part be conical jar body 1, transversely set up and divide into the casing inner chamber throw feed bin 11 and storage silo first baffle 2, vertical setting and divide into the storage silo inner chamber into the second baffle 3 of fine sand chamber 12 and grit chamber 13, the up end of second baffle 3 supports and leans on in the lower terminal surface of first baffle 2.

The upper end face of the first partition board 2 is fixedly connected with a supporting frame 22, the first partition board 2 is provided with a guide chute 21, the guide chute 21 is a half annular groove, and the initial position and the final position of the guide chute 21 are respectively positioned above the fine sand cavity 12 and the sand cavity 13. One side of the upper end surface of the second partition plate 3, which is close to the material guide groove 21, is provided with a notch 31. The bottom of the fine sand cavity 12 and the bottom of the sand cavity 13 are both provided with a discharge opening 14 and two discharge baffles 15 which are hinged on the side wall of the tank body 1 and are used for opening and closing the discharge opening 14, and the side wall of the tank body 1 is fixedly connected with a hydraulic oil cylinder 16 of which a piston rod is hinged on the discharge baffles 15.

The side wall of the feeding bin 11 is provided with a feeding hole 17 and a driving roller 18 which is positioned at the feeding hole 17 and used for bringing aggregate, and the outer wall of the feeding bin 11 is provided with a dust cover 19 positioned above the feeding hole 17 and a dust-raising prevention component 4 used for dust-falling treatment. The dust-raising prevention component 4 comprises a water storage tank 41 fixedly connected to the upper end face of the tank body 1, a water suction pump 42 with a water suction port communicated with the water storage tank 41 and fixed to the upper end face of the tank body 1, a connecting pipe 43 transversely arranged with one end communicated with a water outlet of the water suction pump 42, a water delivery pipe 44 longitudinally arranged with the middle side wall connected to the other end of the connecting pipe 43, and a plurality of spray heads 45 connected to the water delivery pipe 44 and uniformly distributed along the length direction of the water delivery pipe 44, wherein the water delivery pipe 44 is located inside the dust.

The feeding bin 11 is provided with a hollow guide rotary drum 5 which is coaxially and rotatably connected to the tank body 1 and a driving assembly 6 which drives the guide rotary drum 5 to rotate and feeds the fine sand cavity 12 and the sand cavity 13. The bottom of the material guide rotary drum 5 is provided with a material guide port 51 and a material guide hopper 52 which is communicated with the material guide port 51 and slides through the material guide chute 21 and the open slot 31, the material guide port 51 is arranged at the edge of the bottom of the material guide rotary drum 5, the inner wall of the bottom of the material guide rotary drum 5 is arranged at a certain inclination angle, and the height of the inner wall of the bottom of the material guide rotary drum 5 is gradually increased towards the direction far away from the material guide port 51. The material guide hopper 52 is positioned above the second partition plate 3. The lower end surface of the material guide drum 5 abuts against the upper end surface of the support frame 22. The inner side wall of the feeding bin 11 is provided with a rolling wheel 23, and the circumferential side wall of the material guide rotary drum 5 is abutted with the circumferential surface of the rolling wheel 23.

As shown in fig. 2 and 4, the driving assembly 6 includes a rotating shaft 61 vertically disposed and having one end rotatably connected to the first partition plate 2, a first bevel gear 62 having an end surface sleeved on the rotating shaft 61, a transmission rod 64 horizontally disposed and located between the material guide drum 5 and the first partition plate 2, a second bevel gear 63 sleeved on the transmission rod 64 and engaged with the first bevel gear 62, and a servo motor 65 located outside the tank 1 and having a rotating shaft passing through a sidewall of the tank 1 and fixedly connected to the transmission rod 64. The other end of the rotating shaft 61 penetrates through the supporting frame 22 and is fixedly connected to the material guide drum 5, the axis of the rotating shaft 61 is overlapped with the central axis of the material guide chute 21, and the transmission rod 64 is positioned on one side far away from the material guide chute 21.

The working mode is as follows:

the rotation of the material guide rotary drum 5 is realized by controlling the forward rotation and the reverse rotation of the servo motor 65, so that the communication path of the storage bin of the feeding bin 11 is changed, aggregates are respectively fed into the fine sand cavity 12 and the sand cavity 13, and the opening and closing of the two discharge openings 14 are controlled by the extension and contraction of the piston rod of the hydraulic oil cylinder 16, so that the batch secondary feeding is realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides a storehouse is kept in temporary storage of aggregate of concrete mixing plant which characterized by: comprises a tank body (1) which is arranged in a hollow way and has a conical lower part, a first clapboard (2) which is transversely arranged and divides an inner cavity of a shell into a feeding bin (11) and a storage bin, and a second clapboard (3) which is vertically arranged and divides the inner cavity of the storage bin into a fine sand cavity (12) and a sand cavity (13), wherein the side wall of the feeding bin (11) is provided with a feeding hole (17), the feeding bin (11) is provided with a guide rotary drum (5) which is arranged in a hollow way and coaxially and rotatably connected with the tank body (1) and a driving component (6) which drives the guide rotary drum (5) to rotate and feeds the fine sand cavity (12) and the sand cavity (13), the bottom of the guide rotary drum (5) is provided with a guide opening (51) and a guide hopper (52) which is communicated with the guide opening (51) and passes through the first clapboard (2), the guide hopper (52) is positioned above the second clapboard (3), the first clapboard (2) is provided with a guide chute (21) for the guide hopper (52), the bottom of the fine sand cavity (12) and the bottom of the sand cavity (13) are both provided with a discharge opening (14) and a discharge baffle (15) for opening and closing the discharge opening (14).

2. The aggregate temporary storage bin of the concrete mixing plant as recited in claim 1, wherein: the material guide device is characterized in that a support frame (22) is fixedly connected to the upper end face of the first partition plate (2), the upper end face of the support frame (22) abuts against the lower end face of the material guide rotary drum (5), the driving assembly (6) comprises a rotating shaft (61) which is vertically arranged and one end of which is rotatably connected to the first partition plate (2), a first bevel gear (62) of which the end face is sleeved on the rotating shaft (61), a transmission rod (64) which is transversely arranged and is located between the material guide rotary drum (5) and the first partition plate (2), a second bevel gear (63) which is sleeved on the transmission rod (64) and is meshed with the first bevel gear (62), a servo motor (65) which is located outside the tank body (1) and of which the rotating shaft penetrates through the side wall of the tank body (1) and is fixedly connected to the transmission rod (64), and the.

3. The aggregate temporary storage bin of the concrete mixing plant as recited in claim 2, wherein: the guide chute (21) is a half annular groove, the central axis of the guide chute (21) is superposed with the axis of the rotating shaft (61), the initial position and the final position of the guide chute (21) are respectively positioned above the fine sand cavity (12) and the gravel cavity (13), and the transmission rod (64) is positioned on one side far away from the guide chute (21).

4. The aggregate temporary storage bin of the concrete mixing plant as recited in claim 3, wherein: the material guide opening (51) is formed in the edge of the bottom of the material guide rotary drum (5), the inner wall of the bottom of the material guide rotary drum (5) is arranged at a certain inclination angle, and the height of the inner wall of the bottom of the material guide rotary drum (5) is gradually increased towards the direction far away from the material guide opening (51).

5. The aggregate temporary storage bin of the concrete mixing plant as recited in claim 4, wherein: the inner side wall of the feeding bin (11) is supported with a rolling wheel (23), and the circumferential side wall of the material guide rotary drum (5) is abutted against the circumferential surface of the rolling wheel (23).

6. The aggregate temporary storage bin of a concrete mixing plant according to claim 1 or 5, characterized in that: a driving roller (18) for bringing aggregate is arranged at a feeding hole (17) of the feeding bin (11), and a dust cover (19) positioned above the feeding hole (17) and a dust-raising-prevention component (4) for dust-falling treatment are arranged on the outer wall of the feeding bin (11).

7. The aggregate temporary storage bin of the concrete mixing plant as recited in claim 6, wherein: prevent raise dust subassembly (4) including fixed connection in storage water tank (41), the suction pump (42) that the mouth communicates in storage water tank (41) and be fixed in jar body (1) up end, communicate in the delivery port of suction pump (42) just is located terminal surface under dust cover (19) raceway (44) and connect in shower nozzle (45) of raceway (44) of jar body (1) up end.

8. The aggregate temporary storage bin of the concrete mixing plant as recited in claim 7, wherein: the spray heads (45) are arranged in a plurality and are uniformly distributed along the length direction of the water conveying pipe (44).