CN109773970B - Go out hopper and concrete mixing plant with but reducing discharge gate - Google Patents
Go out hopper and concrete mixing plant with but reducing discharge gate Download PDFInfo
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- CN109773970B CN109773970B CN201910135755.5A CN201910135755A CN109773970B CN 109773970 B CN109773970 B CN 109773970B CN 201910135755 A CN201910135755 A CN 201910135755A CN 109773970 B CN109773970 B CN 109773970B
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Abstract
The invention discloses a discharge hopper with a variable-diameter discharge port, which is characterized in that a small hopper is arranged in a large hopper, and the large discharge area and the small discharge area of the discharge hopper are switched by utilizing the lifting of the small hopper in the large hopper, so that the discharge port area of the discharge hopper can adapt to concrete with different fluidity, and the over-fast or over-slow concrete flow speed at the discharge port of the discharge hopper is prevented when the concrete is conveyed to a conveying tank car.
Description
Technical Field
The invention relates to a concrete mixing plant, in particular to a discharge hopper therein, and particularly relates to a discharge hopper with a variable-diameter discharge port.
Background
With the vigorous development of the infrastructure industry of China, the demand of commercial concrete is continuously increased, and a concrete mixing plant is a main device for producing the commercial concrete and is rapidly developed in recent years. The core equipment of concrete mixing plant is the mixer, and the mixer stirs materials such as grit, cement according to certain ratio and a certain amount of water, forms the concrete body, then the concrete that the stirring was accomplished gets into out the hopper from the discharge gate of mixer, through the discharge hopper gather materials, keep in, the buffering back, get into the concrete tank car by the discharge gate that goes out the hopper.
In the production process, a mixing station can often produce a plurality of types of concrete according to actual requirements, the slump and the fluidity of the concrete formed by mixing of a mixer are different due to different concrete formulas in the production process, and in the prior art, the area of a discharge port of a discharge hopper is often fixed and unchanged, so that the area of the discharge port of the discharge hopper is larger for the concrete with good fluidity, the flow rate of the concrete is too high, and the concrete is easy to overflow from a concrete tank truck; for the concrete with poor fluidity, the area of the discharge hole of the discharge hopper is small, so that the concrete flow speed is too low, and the time for filling is long.
In order to solve the above problems, the patent of application No. 201610759994.4 proposes a certain discharging device, which is provided with two discharging hoppers with different discharging aperture sizes, and the discharging aperture is changed by the reciprocating motion of the two discharging hoppers on the rail, thereby solving the above problems to a certain extent.
Disclosure of Invention
In order to solve the above-mentioned deficiencies of the prior art, the present invention specifically includes the following:
the discharge hopper with the variable-diameter discharge port comprises a large hopper and a support column arranged on the side wall surface of the large hopper, wherein the large hopper comprises a feed port positioned above and a discharge port positioned below, a small hopper capable of reciprocating up and down along the central axis of the large hopper is arranged inside the large hopper, the small hopper comprises a feed port positioned above and a discharge port positioned below, the area of the feed port of the small hopper is smaller than that of the feed port of the large hopper, the area of the discharge port of the small hopper is smaller than that of the discharge port of the large hopper, and the small hopper has a first state of moving to the top of the large hopper and a second state of moving to the bottom of the large hopper; in the first state, the material is directly output from the discharge hole of the large hopper; in the second state, the side wall surface of the small hopper and the side wall surface of the large hopper are mutually abutted and sealed and matched, so that the material can be only output from the discharge hole of the small hopper.
Furthermore, the large hopper and the small hopper are both frustum-shaped, the diameter of the feed inlet of the large hopper is 3 meters, the diameter of the discharge outlet of the large hopper is 0.5 meter, the diameter of the feed inlet of the small hopper is 0.8 meter, and the diameter of the discharge outlet of the small hopper is 0.3 meter.
Furthermore, cross-shaped mounting plates are arranged at the feed inlet and the discharge outlet of the large hopper, a guide column is welded between the two cross-shaped mounting plates, and the guide column is arranged at the central position of the two cross-shaped mounting plates; the inside axis direction of following of little hopper be provided with guide post sliding fit's uide bushing, the uide bushing slip cap is established on the guide post, the uide bushing is through setting up the lateral wall face fixed connection of "ten" font mounting panel and little hopper inside little hopper.
Furthermore, a winch is fixedly installed at the center of the cross-shaped installation plate at the feeding hole of the large hopper and fixedly connected with the cross-shaped installation plate at the feeding hole of the small hopper through two steel cables, so that the small hopper is driven to be switched between the first state and the second state.
The invention further comprises a stirrer arranged above the discharge hopper, wherein the bottom of the stirrer is provided with two discharge ports corresponding to the feed inlets of the large hopper, and the two discharge ports of the stirrer are arranged in a manner of deviating from the central axis of the large hopper.
The invention also relates to a concrete mixing plant, which comprises the discharge hopper with the diameter-variable discharge hole.
The discharge hopper with the variable-diameter discharge hole has the following advantages:
according to the invention, the small hopper is arranged in the large hopper, and the switching of the large discharging area and the small discharging area of the discharging hopper is realized by utilizing the lifting of the small hopper in the large hopper, so that the discharging opening area of the discharging hopper can adapt to concrete with different flowability; in addition, compared with the prior art, the invention has the advantages of simple driving structure, lower cost and higher reliability.
Drawings
FIG. 1 is a schematic view of the main structure of a blender and a discharge hopper according to the present invention.
Fig. 2 is a schematic view of the discharge hopper of the present invention in a first state.
Fig. 3 is a schematic view of the discharge hopper of the present invention in a second state.
FIG. 4 is a schematic view of the structure of the large hopper of the present invention.
FIG. 5 is a schematic view of the structure of the small hopper of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-5, the discharging hopper 2 with a variable diameter discharging port of the present invention comprises a large hopper 21 and a supporting column 26 disposed on a side wall surface of the large hopper 21, wherein the large hopper 21 comprises a feeding port 211 located above and a discharging port 212 located below, a small hopper 22 capable of reciprocating up and down along a central axis of the large hopper is disposed inside the large hopper 21, the small hopper 22 comprises a feeding port 221 located above and a discharging port 222 located below, an area of the feeding port 221 of the small hopper 22 is smaller than an area of the feeding port 211 of the large hopper 21, an area of the discharging port 222 of the small hopper 22 is smaller than an area of the discharging port 212 of the large hopper, and the small hopper 22 has a first state (as shown in fig. 2) moving to a top of the large hopper 21 and a second state (as shown in fig. 3) moving to a bottom of the; in the first state, the materials are directly output from the discharge port 212 of the large hopper 21; in the second state, the side wall surface of the small hopper 22 and the side wall surface of the large hopper 21 are in contact and sealed engagement with each other, and the material can be discharged only from the discharge port 222 of the small hopper 21.
In this embodiment, the large hopper 21 and the small hopper 22 are both frustum-shaped, the diameter of the feed inlet of the large hopper 21 is 3 meters, the diameter of the discharge outlet of the large hopper is 0.5 meter, and the diameter of the feed inlet of the small hopper 22 is 0.8 meter, and the diameter of the discharge outlet of the small hopper is 0.3 meter.
As shown in fig. 4, a cross-shaped mounting plate 213 is arranged at the feed inlet 211 of the large hopper 21, cross-shaped mounting plates 214 are arranged at the discharge outlets 212, a guide column 23 is welded between the two cross-shaped mounting plates, and the guide column 23 is arranged at the center of the two cross-shaped mounting plates; the inside axis direction of following of little hopper 22 be provided with guide post 23 sliding fit's uide bushing 223, the uide bushing 223 slip cover is established on the guide post 23, uide bushing 223 is through setting up the inside "ten" font mounting panel 224 of little hopper 22 and the lateral wall face fixed connection of little hopper 22.
In addition, the two ends of the guide sleeve 223 are provided with brush hairs, so that concrete materials adhered to the guide post are firstly brushed off when the guide sleeve moves on the guide post, and the concrete is prevented from entering between the guide sleeve and the guide post and being blocked.
A winch 24 is fixedly arranged at the center of the cross-shaped mounting plate at the feed inlet of the large hopper 21, and the winch 24 is fixedly connected with the cross-shaped mounting plate 224 at the feed inlet of the small hopper 22 through two steel cables 25, so as to drive the small hopper 22 to switch between the first state and the second state.
The invention also comprises a stirrer 1 arranged above the discharge hopper 2, wherein the stirrer is provided with a tank body 12 and a support frame 13 arranged below the tank body 12, the bottom of the tank body 12 of the stirrer is provided with two discharge ports 121 corresponding to the feed inlets of the large hopper 21, and the two discharge ports 121 of the stirrer 1 are arranged by deviating from the central axis of the large hopper.
Through the embodiment, when concrete with better fluidity is produced in the mixer 1, the winch 24 is started firstly before the mixing is finished and materials are conveyed into the conveying tank car, the steel cable 25 is loosened, so that the small hopper 22 falls to the bottom of the large hopper 21 by virtue of the self weight of the small hopper, the large hopper is in a first state, then the discharge hole of the mixer 1 is opened, the concrete materials fall to the feed inlet 211 of the discharge hopper 2 from the discharge holes 121 on the two sides of the lower part of the mixer 1, and then the concrete materials flow out of the conveying tank car from the discharge hole 222 of the small hopper 22, thereby preventing the concrete from overflowing from the concrete tank car due to the fact that the concrete flow speed is too fast.
When concrete with poor fluidity is produced in the mixer 1, the winch 24 and the steel cable 25 are started firstly before materials are conveyed into the conveying tank car after the mixing is finished, so that the small hopper 22 is lifted to the bottom of the large hopper 21 and is in a second state, then the discharge hole of the mixer 1 is opened, the concrete materials fall to the feed inlet 211 of the discharge hopper 2 from the discharge holes 121 on the two sides of the mixer 1, and then the concrete materials flow out of the conveying tank car from the discharge hole 212 of the large hopper 21, so that the concrete flow speed is prevented from being too slow, and the tank filling time is longer.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention as defined in the following claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the invention should be included in the protection scope of the invention.
Claims (4)
1. The utility model provides a go out hopper with but reducing discharge gate, includes big hopper and sets up in the support column of big hopper lateral wall face, big hopper is including the feed inlet that is located the top and the discharge gate that is located the below, its characterized in that: the small hopper is arranged in the large hopper and can move up and down in a reciprocating mode along the central axis of the large hopper, the small hopper comprises a feeding hole positioned above and a discharging hole positioned below, the area of the feeding hole of the small hopper is smaller than that of the feeding hole of the large hopper, the area of the discharging hole of the small hopper is smaller than that of the discharging hole of the large hopper, and the small hopper has a first state of moving to the top of the large hopper and a second state of moving to the bottom of the large hopper; in the first state, the material is directly output from the discharge hole of the large hopper; when the material is in the second state, the side wall surface of the small hopper and the side wall surface of the large hopper are mutually abutted and matched in a sealing way, so that the material can only be output from the discharge hole of the small hopper; the feeding port and the discharging port of the large hopper are both provided with cross-shaped mounting plates, a guide column is welded between the two cross-shaped mounting plates, and the guide column is arranged at the central position of the two cross-shaped mounting plates; a guide sleeve in sliding fit with the guide post is arranged in the small hopper along the central axis direction, the guide sleeve is sleeved on the guide post in a sliding manner, and the guide sleeve is fixedly connected with the side wall surface of the small hopper through a cross-shaped mounting plate arranged in the small hopper; the center position of the cross-shaped mounting plate at the feed inlet of the large hopper is fixedly provided with a winch, and the winch is fixedly connected with the cross-shaped mounting plate at the feed inlet of the small hopper through two steel cables, so that the small hopper is driven to be switched between the first state and the second state.
2. The discharge hopper with the variable diameter discharge port according to claim 1, characterized in that: the large hopper and the small hopper are both frustum-shaped, the diameter of the feed inlet of the large hopper is 3 meters, the diameter of the discharge outlet of the large hopper is 0.5 meter, the diameter of the feed inlet of the small hopper is 0.8 meter, and the diameter of the discharge outlet of the small hopper is 0.3 meter.
3. The discharge hopper with the variable diameter discharge port according to claim 1, characterized in that: still including installing go out the mixer of hopper top, the mixer bottom have two with the discharge gate that big hopper feed inlet corresponds, two discharge gates of mixer all deviate the axis setting of big hopper.
4. A concrete mixing plant comprising a discharge hopper with a variable diameter discharge outlet according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135755.5A CN109773970B (en) | 2019-02-25 | 2019-02-25 | Go out hopper and concrete mixing plant with but reducing discharge gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135755.5A CN109773970B (en) | 2019-02-25 | 2019-02-25 | Go out hopper and concrete mixing plant with but reducing discharge gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109773970A CN109773970A (en) | 2019-05-21 |
| CN109773970B true CN109773970B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910135755.5A Active CN109773970B (en) | 2019-02-25 | 2019-02-25 | Go out hopper and concrete mixing plant with but reducing discharge gate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114474399A (en) * | 2022-01-14 | 2022-05-13 | 封崇崇 | Concrete mixing plant discharge gate adjusting device based on concrete mobility |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140252024A1 (en) * | 2013-03-05 | 2014-09-11 | Rec Silicon Inc | High Vessel Outlet |
| CN206501269U (en) * | 2017-02-27 | 2017-09-19 | 北京高强亿圆混凝土有限责任公司 | A kind of mixing plant and its automatical feeding system |
| CN207432500U (en) * | 2017-11-14 | 2018-06-01 | 河南三和水工机械有限公司 | A kind of adjustable dump skip and mixing plant |
| CN207954311U (en) * | 2018-01-29 | 2018-10-12 | 青岛欧普机械设备有限公司 | A kind of wear-resisting receiving hopper of speed governing |
| CN208005982U (en) * | 2018-03-09 | 2018-10-26 | 青州市圣洁环保设备科技有限公司 | Dual-purpose pouring out concrete device |
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