CN111136793A - Energy-saving concrete mixing plant special for preparing concrete prefabricated part - Google Patents
Energy-saving concrete mixing plant special for preparing concrete prefabricated part Download PDFInfo
- Publication number
- CN111136793A CN111136793A CN201911405051.1A CN201911405051A CN111136793A CN 111136793 A CN111136793 A CN 111136793A CN 201911405051 A CN201911405051 A CN 201911405051A CN 111136793 A CN111136793 A CN 111136793A
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- CN
- China
- Prior art keywords
- hopper
- cement bin
- weighing hopper
- conveyer belt
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 40
- 239000004568 cement Substances 0.000 claims abstract description 39
- 238000005303 weighing Methods 0.000 claims abstract description 23
- 210000000078 claw Anatomy 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 4
- 239000011178 precast concrete Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
- B28C7/044—Weighing mechanisms specially adapted therefor; Weighing containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0481—Plant for proportioning, supplying or batching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model provides an energy-saving concrete prefabricated component preparation special concrete mixing plant, including the weighing hopper, agitating unit, the cement bin, conveyor, the weighing hopper sets up in one side of cement bin, the weighing hopper outside is equipped with the aggregate support, be equipped with broken arch device on the weighing hopper, broken arch device is including articulated seat, the movable rod, the cylinder, articulated seat sets up the bottom both sides at the weighing hopper, be equipped with the hinge hole on the movable rod, the movable rod all rotates through the hinge hole and sets up on articulated seat, the movable rod is close to one end mutually and is equipped with the mounting panel, be equipped with a plurality of curved claws on the mounting panel, the movable rod keeps away from one end mutually and is equipped with the hinge joint, be equipped with the cylinder fixing base on the both sides lateral wall of weighing hopper, set up the cylinder on the cylinder fixing base, the cylinder piston rod is articulated with the hinge joint, realize that the cylinder promotes the movable. Compare the broken mode that encircles of change roller, the curved claw can effectively strike off the aggregate that adheres to on the weighing hopper inner wall, and it is smooth and easy to have guaranteed that the unloading of weighing hopper is smooth and easy.
Description
Technical Field
The invention belongs to the technical field of building construction equipment, and particularly relates to a special concrete mixing plant for preparing an energy-saving concrete prefabricated part.
Background
The concrete prefabricated components are widely applied to building construction, most of the concrete adopted in the concrete prefabricated components is made by a concrete mixing plant which is a combined device for intensively mixing concrete, and because the mechanization and automation degree of the concrete mixing plant is higher, therefore, the production efficiency is high, the concrete mixing plant is commonly used for large and medium-sized water conservancy projects, electric power projects, bridges and other projects with large concrete engineering quantity, long construction period and centralized construction sites, the whole concrete mixing plant equipment is cast by adopting a whole steel structure, the whole structure strength is high, the equipment installation is convenient and fast, the concrete mixing plant can be applied to various complex terrain structures, the concrete mixing plant has good mixing performance, the equipment adopts a spiral double-horizontal-shaft forced mixing main machine, the mixer is strong in function, the concrete stirring device can achieve good stirring effect on concrete with dry hardness, plasticity and various proportions. And the stirring is uniform, and the efficiency is high. But also various fine fittings such as screw conveyors, measuring sensors, pneumatic elements, etc., which ensure high reliability, precise measuring skills and an ultra-long service life of the concrete mixing plant during operation. However, the concrete mixing plant needs a large amount of equipment, the occupied area of the equipment is relatively large, foundation piers and transportation ramps need to be built, the construction amount of the foundation is large, the construction period is long, and therefore the cost is greatly increased. And when the existing weighing hopper is used for blanking, the aggregate in the hopper contains soil and moisture, so that the aggregate is adhered to the inner wall of the weighing hopper, the blanking is not smooth, even the blocking phenomenon occurs, and the normal metering of the aggregate is finally influenced.
Disclosure of Invention
The invention aims at the problems and discloses an energy-saving concrete mixing plant special for preparing a concrete prefabricated part, which is used for solving the problems that the concrete mixing plant in the prior art occupies a large area and a weighing hopper is not uniform in blanking and is easy to block.
The specific technical scheme is as follows:
an energy-saving concrete mixing station special for preparing a concrete prefabricated part comprises a metering hopper, a mixing device, a cement bin and a conveying device, wherein the mixing device comprises a supporting table and a mixer, supporting legs are arranged on the periphery of the bottom of the supporting table, the mixer is arranged on the supporting table, a feeding port at the top of the mixer is respectively provided with a feeding hopper and a powder hopper, discharge ports at the bottoms of the feeding hopper and the powder hopper are communicated with a feeding port of the mixer, a discharge hopper is arranged at a discharge port at the bottom of the mixer, and the lower end of the discharge hopper penetrates through the supporting table; the cement bin is arranged on one side of the stirring device, a cement bin support is arranged at the bottom of the cement bin, a screw conveyor is arranged at the bottom of the cement bin, the screw conveyor is arranged in an upward inclined mode and penetrates through the cement bin support, and a discharge hole at the other end of the screw conveyor is located above the powder hopper; the measuring hopper is arranged at one side of the cement bin, the aggregate support is arranged at the outer side of the measuring hopper, the arch breaking device is arranged on the measuring hopper, the arch breaking device comprises hinged seats, movable rods and cylinders, the hinged seats are fixedly arranged on two sides of the bottom of the metering hopper, the number of the movable rods is two, and the movable rods are provided with hinge holes which are in a waist-shaped hole shape, the two movable rods are rotationally arranged on the hinge seat through the hinge holes, the mounting plates are arranged at the ends, close to each other, of the two movable rods, a plurality of bent claws are vertically arranged on the mounting plate, a hinge joint is arranged at one end of the two movable rods, which is far away from the mounting plate, cylinder fixing seats are arranged on the side walls of the two sides of the weighing hopper, the air cylinder is arranged on the air cylinder fixing seat, and an air cylinder piston rod is hinged with the hinge joint, so that the air cylinder pushes the movable rod to rotate on the hinge joint seat, and the bent claw scrapes the aggregate adhered to the inner wall of the weighing hopper; a metering conveyer belt is arranged below the metering hopper and is fixedly arranged on the aggregate bracket; conveyor is including collecting fill and conveyer belt, collect the fixed one end that sets up at the conveyer belt of fighting and be located the below of measurement conveyer belt one end, the bottom of conveyer belt is equipped with the bracing piece, and the conveyer belt upwards sets up and passes for the slope aggregate support and cement bin support, the other end of conveyer belt enter into on the mixer in the feeder hopper, and conveyer belt upper end bottom is equipped with the support frame, the support frame other end is fixed to be set up on a supporting bench.
Further, the discharge hopper is positioned in the center of the bottom of the support table.
Further, the width of the conveying belt is less than the width of the aggregate bracket and the cement bin bracket,
further, the inclination angles of the conveying belt and the spiral conveyor are both 30 degrees.
Further, the position of the hinge hole on the movable rod is located on one side close to the cylinder.
Further, the sum of the distances between the plurality of bent claws is consistent with the width of the side wall on one side of the weighing hopper.
The invention has the beneficial effects that:
(1) according to the invention, the cement bin is arranged on one side of the stirring device, the weighing hopper is arranged on one side of the cement bin, cement in the cement bin is conveyed into the stirring machine through the screw conveyor, and the weighing hopper sequentially penetrates through the aggregate support and the cement bin through the conveying belt and enters the feeding hopper for feeding, so that the processes of building a slope and digging a pit are omitted, the stirring station can be built on the flat ground, and the building cost is effectively reduced.
(2) According to the invention, the arch breaking device is arranged on the metering hopper, the air cylinder pushes the movable rod to rotate on the hinged seat, so that the curved claw scrapes the inner wall of the metering hopper, compared with a roller arch breaking mode, the curved claw can effectively scrape aggregate attached to the inner wall of the metering hopper, and smooth discharging of the metering hopper is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of a weighing hopper of the present invention.
Fig. 3 is a side view of the movable lever of the present invention.
Description of the reference numerals
The device comprises a measuring hopper 1, an aggregate support 11, an arch breaking device 12, a hinge seat 121, a movable rod 122, a hinge hole 1221, a hinge head 1222, a cylinder 123, a cylinder fixing seat 124, a mounting plate 125, a bent claw 126, a measuring conveyer belt 13, a stirring device 2, a support table 21, a stirring machine 22, a feed hopper 221, a powder hopper 222, a discharge hopper 223, a cement bin 3, a cement bin support 31, a spiral conveyor 32, a conveying device 4, a collecting hopper 41, a conveyer belt 42, a support rod 43 and a support frame 44.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be performed by welding, bolt and nut connection and screw connection.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
An energy-saving concrete mixing station special for preparing a concrete prefabricated part comprises a metering hopper, a mixing device, a cement bin and a conveying device, wherein the mixing device comprises a supporting table and a mixer, supporting legs are arranged on the periphery of the bottom of the supporting table, the mixer is arranged on the supporting table, a feeding port at the top of the mixer is respectively provided with a feeding hopper and a powder hopper, discharge ports at the bottoms of the feeding hopper and the powder hopper are communicated with a feeding port of the mixer, a discharge hopper is arranged at a discharge port at the bottom of the mixer, and the lower end of the discharge hopper penetrates through the supporting table; the cement bin is arranged on one side of the stirring device, a cement bin support is arranged at the bottom of the cement bin, a screw conveyor is arranged at the bottom of the cement bin, the screw conveyor is arranged in an upward inclined mode and penetrates through the cement bin support, and a discharge hole at the other end of the screw conveyor is located above the powder hopper; the measuring hopper is arranged at one side of the cement bin, the aggregate support is arranged at the outer side of the measuring hopper, the arch breaking device is arranged on the measuring hopper, the arch breaking device comprises hinged seats, movable rods and cylinders, the hinged seats are fixedly arranged on two sides of the bottom of the metering hopper, the number of the movable rods is two, and the movable rods are provided with hinge holes which are in a waist-shaped hole shape, the two movable rods are rotationally arranged on the hinge seat through the hinge holes, the mounting plates are arranged at the ends, close to each other, of the two movable rods, a plurality of bent claws are vertically arranged on the mounting plate, a hinge joint is arranged at one end of the two movable rods, which is far away from the mounting plate, cylinder fixing seats are arranged on the side walls of the two sides of the weighing hopper, the air cylinder is arranged on the air cylinder fixing seat, and an air cylinder piston rod is hinged with the hinge joint, so that the air cylinder pushes the movable rod to rotate on the hinge joint seat, and the bent claw scrapes the aggregate adhered to the inner wall of the weighing hopper; a metering conveyer belt is arranged below the metering hopper and is fixedly arranged on the aggregate bracket; conveyor is including collecting fill and conveyer belt, collect the fixed one end that sets up at the conveyer belt of fighting and be located the below of measurement conveyer belt one end, the bottom of conveyer belt is equipped with the bracing piece, and the conveyer belt upwards sets up and passes for the slope aggregate support and cement bin support, the other end of conveyer belt enter into on the mixer in the feeder hopper, and conveyer belt upper end bottom is equipped with the support frame, the support frame other end is fixed to be set up on a supporting bench.
Further, the discharge hopper is positioned in the center of the bottom of the support table.
Further, the width of the conveying belt is less than the width of the aggregate bracket and the cement bin bracket,
further, the inclination angles of the conveying belt and the spiral conveyor are both 30 degrees.
Further, the position of the hinge hole on the movable rod is located on one side close to the cylinder.
Further, the sum of the distances between the plurality of bent claws is consistent with the width of the side wall on one side of the weighing hopper.
The working principle is as follows:
during operation, aggregate is added into the metering hopper through the transport vehicle, then a discharge port of the feeding hopper is opened to perform blanking and fall on the metering conveying belt, metering is performed, meanwhile, the air cylinder pushes the movable rod to rotate on the hinged seat, so that the bent claw performs scraping treatment on the inner wall of the metering hopper, and the metering conveying belt conveys the aggregate to the conveying belt and conveys the aggregate to the stirring machine through the feeding hopper; simultaneously the cement bin carries out the unloading to carry to the powder fill in through screw conveyer, cement enters into the mixer from the powder fill discharge gate through measurement back, and the mixer mixes the stirring to cement and aggregate, and the stirring is accomplished the back and is discharged through the play hopper of discharge gate below, and carry to the transportation, accomplish the stirring.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An energy-saving concrete mixing station special for preparing a concrete prefabricated part is characterized by comprising a weighing hopper, a mixing device, a cement bin and a conveying device, wherein the mixing device comprises a supporting table and a mixer, supporting legs are arranged on the periphery of the bottom of the supporting table, the mixer is arranged on the supporting table, a feeding hopper and a powder hopper are respectively arranged at a feeding port at the top of the mixer, discharge ports at the bottoms of the feeding hopper and the powder hopper are communicated with a feeding port of the mixer, a discharge hopper is arranged at a discharge port at the bottom of the mixer, and the lower end of the discharge hopper penetrates through the supporting table; the cement bin is arranged on one side of the stirring device, a cement bin support is arranged at the bottom of the cement bin, a screw conveyor is arranged at the bottom of the cement bin, the screw conveyor is arranged in an upward inclined mode and penetrates through the cement bin support, and a discharge hole at the other end of the screw conveyor is located above the powder hopper; the measuring hopper is arranged at one side of the cement bin, the aggregate support is arranged at the outer side of the measuring hopper, the arch breaking device is arranged on the measuring hopper, the arch breaking device comprises hinged seats, movable rods and cylinders, the hinged seats are fixedly arranged on two sides of the bottom of the metering hopper, the number of the movable rods is two, and the movable rods are provided with hinge holes which are in a waist-shaped hole shape, the two movable rods are rotationally arranged on the hinge seat through the hinge holes, the mounting plates are arranged at the ends, close to each other, of the two movable rods, a plurality of bent claws are vertically arranged on the mounting plate, a hinge joint is arranged at one end of the two movable rods, which is far away from the mounting plate, cylinder fixing seats are arranged on the side walls of the two sides of the weighing hopper, the air cylinder is arranged on the air cylinder fixing seat, and an air cylinder piston rod is hinged with the hinge joint, so that the air cylinder pushes the movable rod to rotate on the hinge joint seat, and the bent claw scrapes the inner wall of the metering hopper; a metering conveyer belt is arranged below the metering hopper and is fixedly arranged on the aggregate bracket; conveyor is including collecting fill and conveyer belt, collect the fixed one end that sets up at the conveyer belt of fighting and be located the below of measurement conveyer belt one end, the bottom of conveyer belt is equipped with the bracing piece, and the conveyer belt upwards sets up and passes for the slope aggregate support and cement bin support, the other end of conveyer belt enter into on the mixer in the feeder hopper, and conveyer belt upper end bottom is equipped with the support frame, the support frame other end is fixed to be set up on a supporting bench.
2. An energy-saving concrete mixing plant special for preparing precast concrete component according to claim 1, characterized in that the discharge hopper is positioned at the center of the bottom of the support platform.
3. The special energy-saving concrete mixing plant for preparing the concrete prefabricated part according to the claim 1, wherein the width of the conveying belt is smaller than the widths of the aggregate bracket and the cement bin bracket.
4. The concrete mixing plant special for preparing the energy-saving concrete prefabricated part according to claim 1, wherein the inclination angles of the conveying belt and the spiral conveyer are both 30 degrees.
5. The concrete mixing plant special for preparing the energy-saving concrete prefabricated part according to claim 1, wherein the position of the hinge hole on the movable rod is positioned at one side close to the air cylinder.
6. An energy-saving concrete mixing plant for preparing precast elements according to claim 1, wherein the sum of the distances between a plurality of said curved claws is in accordance with the width of the side wall of one side of the weighing hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405051.1A CN111136793A (en) | 2019-12-31 | 2019-12-31 | Energy-saving concrete mixing plant special for preparing concrete prefabricated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405051.1A CN111136793A (en) | 2019-12-31 | 2019-12-31 | Energy-saving concrete mixing plant special for preparing concrete prefabricated part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111136793A true CN111136793A (en) | 2020-05-12 |
Family
ID=70522295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911405051.1A Pending CN111136793A (en) | 2019-12-31 | 2019-12-31 | Energy-saving concrete mixing plant special for preparing concrete prefabricated part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111136793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246300A (en) * | 2021-05-21 | 2021-08-13 | 贵州互惠混凝土机械服务有限公司 | Integrated concrete mixing plant convenient to assemble and carry |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227167Y (en) * | 1995-04-17 | 1996-05-15 | 刘红五 | Double-step concrete mixing station |
| KR101142349B1 (en) * | 2012-01-30 | 2012-05-18 | 호산엔지니어링(주) | Concrete process of manufacture that use concrete batcher plant and the batcher plant that use continuous mixer |
| CN202703900U (en) * | 2012-07-20 | 2013-01-30 | 江苏中科友特机器人科技有限公司 | Gate type arch breaking device |
| CN205631005U (en) * | 2016-04-13 | 2016-10-12 | 济南隆诚众友建设机械有限公司 | Concrete mixing station |
| CN109397547A (en) * | 2018-12-14 | 2019-03-01 | 新疆胜达机械设备制造有限公司 | Integrated folded foundation-free concrete mixing station |
| CN209337350U (en) * | 2018-12-03 | 2019-09-03 | 杭州临安屹晨生物科技有限公司 | A kind of wet stock hopper arch breaking apparatus |
| CN209425880U (en) * | 2018-09-29 | 2019-09-24 | 重庆国浩永固新型建材有限公司 | A kind of automation stirring system of concrete manufacture |
-
2019
- 2019-12-31 CN CN201911405051.1A patent/CN111136793A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227167Y (en) * | 1995-04-17 | 1996-05-15 | 刘红五 | Double-step concrete mixing station |
| KR101142349B1 (en) * | 2012-01-30 | 2012-05-18 | 호산엔지니어링(주) | Concrete process of manufacture that use concrete batcher plant and the batcher plant that use continuous mixer |
| CN202703900U (en) * | 2012-07-20 | 2013-01-30 | 江苏中科友特机器人科技有限公司 | Gate type arch breaking device |
| CN205631005U (en) * | 2016-04-13 | 2016-10-12 | 济南隆诚众友建设机械有限公司 | Concrete mixing station |
| CN209425880U (en) * | 2018-09-29 | 2019-09-24 | 重庆国浩永固新型建材有限公司 | A kind of automation stirring system of concrete manufacture |
| CN209337350U (en) * | 2018-12-03 | 2019-09-03 | 杭州临安屹晨生物科技有限公司 | A kind of wet stock hopper arch breaking apparatus |
| CN109397547A (en) * | 2018-12-14 | 2019-03-01 | 新疆胜达机械设备制造有限公司 | Integrated folded foundation-free concrete mixing station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246300A (en) * | 2021-05-21 | 2021-08-13 | 贵州互惠混凝土机械服务有限公司 | Integrated concrete mixing plant convenient to assemble and carry |
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