CN113601724B - Water supply installation of concrete mixing plant - Google Patents
Water supply installation of concrete mixing plant Download PDFInfo
- Publication number
- CN113601724B CN113601724B CN202110933777.3A CN202110933777A CN113601724B CN 113601724 B CN113601724 B CN 113601724B CN 202110933777 A CN202110933777 A CN 202110933777A CN 113601724 B CN113601724 B CN 113601724B
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- water
- water pipe
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- annular
- pipe
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- 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
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- 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
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
Abstract
The invention discloses a water supply device of a concrete mixing plant, which comprises a mixing device, wherein a cross water pipe is arranged at the upper end of a water weighing funnel, a spiral propelling device is arranged at the left end of the cross water pipe, a flow guide device is arranged at the right side of the spiral propelling device in the cross water pipe, and a buffer water tank is arranged at the upper end of the cross water pipe. According to the water supply device for the concrete mixing plant, the movable flow guide device is arranged, so that part of water remained in the water inlet pipe can be guided to flow into the buffer water tank conveniently after the water inlet pump stops working; the spiral propelling device is arranged at the left end of the cross water pipe, and the driving motor is arranged below the spiral propelling device, so that the flow guide device can be conveniently pushed to move; through setting up buffering basin and back flow to finally reduce the too big influence to the concrete quality of water proportion in the concrete mixing process.
Description
Technical Field
The invention relates to the field of water supply equipment, in particular to a water supply device of a concrete mixing plant.
Background
The concrete mixing plant is a building material manufacturing device consisting of a mixing host machine, a material weighing system, a material conveying system, a material storage system, a control system and other accessory facilities, the main working principle of the concrete mixing plant is to take cement as a cementing material, mix and stir raw materials such as sand stone, lime, coal slag and the like, finally manufacture concrete, and put into construction and production as a wall material, the concrete mixing plant is mainly divided into four parts of sand stone feeding, powder feeding, water and additive feeding, transmission stirring and storage, the device is cast by adopting an integral steel structure, high-quality H-shaped steel has attractive and elegant appearance, the integral structural strength of the concrete mixing plant is enhanced, the device is convenient to install, and the high-quality H-shaped steel can be applied to various complex topographic structures; water supply equipment plays crucial effect in concrete mixing production process, the concrete need leave various materials in weighing funnel according to certain proportion before the stirring, and the water yield in the water weighing funnel is when reaching appointed weight, gravity induction system in it can feed back control system with this information, and then control system can send the instruction and make intake pump stop work, but current water supply equipment is when intake pump stop work, certain water has still been reserved in the intake pipe, thereby can flow in the water weighing funnel, finally make concrete mixing engineering normal water content can be too big, thereby can influence the quality of concrete.
Disclosure of Invention
The invention mainly aims to provide a water supply device of a concrete mixing plant, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a concrete mixing plant's water supply installation, includes agitating unit, agitating unit's upper end has set gradually aggregate weighing funnel, additive weighing funnel and water weighing funnel, water weighing funnel's upper end is provided with the cross water pipe, the left end of cross water pipe is provided with screw propulsion device, the inside of cross water pipe is provided with guiding device on the right side that is located screw propulsion device, the upper end of cross water pipe is provided with the buffering basin, one side of agitating unit is provided with the intake pump, one side of intake pump is provided with the aqua storage tank.
Preferably, the lower extreme symmetry of agitating unit is provided with four supporting legs, agitating unit's lower extreme is being located and is being provided with the discharge gate between four supporting legs, the inside of water weighing funnel is provided with gravity induction system and solenoid valve, through set up gravity induction system and solenoid valve in the inside of water weighing funnel, can be convenient for control the volume of required water and be convenient for put into agitating unit with the water in it.
Preferably, four first guide ways are symmetrically arranged on the inner wall of the left side of the cross water pipe, four second guide ways are symmetrically arranged on the inner wall of the right side of the cross water pipe, an annular through hole is formed in the left end of the cross water pipe, an annular groove is formed in the inner wall of the annular through hole in the cross water pipe, a first connecting flange is arranged at each of the upper end, the lower end and the right end of the cross water pipe, the cross water pipe is respectively connected with the bottom end of the buffer water tank and the upper end of the water weighing funnel through two first connecting flanges at the upper end and the lower end, and the water weighing funnel and the buffer water tank can be conveniently connected together by arranging the cross water pipe and the first connecting flange on the cross water pipe.
Preferably, the outer end of the spiral propelling device is provided with a latch, the inner end of the spiral propelling device is provided with an annular connecting plate, the annular connecting plate is arranged in an annular through hole formed in the left end of the cross water pipe, one end of the annular connecting plate is provided with an annular clamping plate, the annular clamping plate is arranged in an annular groove formed in the inner wall of the annular through hole, a threaded hole is formed in the inner end of the spiral propelling device and located in the inner side of the annular connecting plate, the threaded hole penetrates through the inner end and the outer end of the spiral propelling device, a driving motor is arranged at the upper end of the water weighing funnel below the spiral propelling device, one end of the driving motor is provided with a driving gear, the driving gear and the latch arranged at the outer end of the spiral propelling device are in a meshed state, the spiral propelling device is arranged at the left end of the cross water pipe, and the driving motor is arranged below the spiral propelling device, so that the flow guide device can be conveniently pushed to move.
Preferably, the left end of the flow guide device is provided with an advancing screw rod, the left end of the advancing screw rod is provided with a limiting block, the left end of the advancing screw rod is connected with the limiting block after penetrating through a threaded hole formed in the spiral advancing device, eight limiting clamping blocks are symmetrically arranged at the outer end of the flow guide device, the eight limiting clamping blocks are symmetrically arranged in four first guide grooves formed in the inner wall of the cross water pipe in pairs, a diversion groove is formed in the right end of the flow guide device and penetrates through the right end and the upper end of the flow guide device, and the diversion device is provided with a movable flow guide device, so that partial water reserved in the water pipe can be guided into the buffer water tank after the water inlet pump stops working, and the water reserved in the water inlet pipe is prevented from entering the water weighing funnel.
Preferably, the upper end of the buffering water tank is provided with a movable through hole, the lower end of the buffering water tank is provided with a water flowing hole, the upper side of the right end of the buffering water tank is provided with a water flowing hole II, the right end of the buffering water tank is provided with a water returning pipe, one end of the water returning pipe is connected to the outer side of the water flowing hole II, the other end of the water returning pipe is connected with the water storage tank, the upper end of the buffering water tank is provided with a hydraulic cylinder, and the buffering space is provided for water reserved in the water inlet pipe to guide the water in the water inlet pipe by arranging the buffering water tank and the water returning pipe.
Preferably, one side symmetry of pneumatic cylinder is provided with two connecting pipes, two the other end of connecting pipe is connected with the hydraulic pressure station, the inside of pneumatic cylinder is provided with the push rod, the lower extreme of push rod is provided with the baffle in the inside that is located the buffering basin, the lower extreme of push rod passes the movable through-hole that the buffering basin upper end was seted up and links to each other with the baffle, through setting up pneumatic cylinder, push rod and baffle, can be convenient for stop the rivers in the inlet pipe and enter into in the backward flow water pipe through the buffering basin when the intake pump is worked.
Preferably, the rear end of intake pump is provided with the inlet tube, the tail end of inlet tube is provided with flange No. two, no. two flange link to each other with a flange of cross water pipe right-hand member, the front end of intake pump links to each other with the aqua storage tank, through setting up the intake pump, can be convenient for send into the water in the aqua storage tank in the water weighing funnel.
Compared with the prior art, the invention has the following beneficial effects:
by arranging the movable flow guide device, part of water reserved in the water inlet pipe can be conveniently guided into the buffer water tank after the water inlet pump stops working, so that the phenomenon that the reserved water in the water inlet pipe enters the water weighing hopper to influence the proportion of the water is avoided; the spiral propelling device is arranged at the left end of the cross water pipe, and the driving motor is arranged below the spiral propelling device, so that the flow guide device can be conveniently pushed to move; the water inlet pipe, the water weighing funnel and the buffer water tank can be conveniently connected together by arranging the cross water pipe and arranging the first connecting flange on the cross water pipe; by arranging the buffer water tank and the return pipe, a buffer space can be provided for water remained in the water inlet pipe to guide the water in the water inlet pipe; through setting up pneumatic cylinder, push rod and baffle, can be convenient for stop the rivers in the inlet pipe and enter into in the backward flow water pipe through the buffering basin when the intake pump during operation to finally reduce the too big influence of water proportion and to the concrete quality in the concrete mixing process.
Drawings
FIG. 1 is a schematic view showing the overall structure of a water supply apparatus for a concrete mixing plant according to the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 2;
FIG. 5 is a schematic view of the position relationship between the cross water pipe and the diversion device of the water supply device of the concrete mixing plant of the present invention.
In the figure: 1. a stirring device; 2. an aggregate weighing funnel; 3. an additive weighing funnel; 4. a water weighing funnel; 5. a cross water pipe; 6. a screw propulsion device; 7. a flow guide device; 8. a buffer water tank; 9. a water inlet pump; 10. a water storage tank; 11. supporting legs; 12. a discharge port; 13. a first guide groove; 14. a second guide groove; 15. an annular through hole; 16. an annular groove; 17. a first connecting flange; 18. clamping teeth; 19. an annular connecting plate; 20. an annular clamping plate; 21. a threaded hole; 22. a drive motor; 23. a drive gear; 24. a screw rod is pushed; 25. a limiting block; 26. a limiting clamping block; 27. a water diversion groove; 28. a movable through hole; 29. a hydraulic cylinder; 30. a connecting pipe; 31. a push rod; 32. a baffle plate; 33. a return flow pipe; 34. a water inlet pipe; 35. a second connecting flange; 36. a second water flowing hole; 37. and a water flowing hole I.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1-5, a water supply device for a concrete mixing plant, comprises a mixing device 1, an aggregate weighing funnel 2, an additive weighing funnel 3 and a water weighing funnel 4 are sequentially arranged at the upper end of the mixing device 1, a cross water pipe 5 is arranged at the upper end of the water weighing funnel 4, a spiral propulsion device 6 is arranged at the left end of the cross water pipe 5, a flow guide device 7 is arranged at the right side of the spiral propulsion device 6 in the cross water pipe 5, a buffer water tank 8 is arranged at the upper end of the cross water pipe 5, a water inlet pump 9 is arranged at one side of the mixing device 1, and a water storage tank 10 is arranged at one side of the water inlet pump 9;
the lower end of the stirring device 1 is symmetrically provided with four supporting legs 11, a discharge port 12 is arranged between the four supporting legs 11 at the lower end of the stirring device 1, and a gravity sensing device and an electromagnetic valve are arranged inside the water weighing funnel 4; four first guide grooves 13 are symmetrically formed in the inner wall of the left side of the cross-shaped water pipe 5, four second guide grooves 14 are symmetrically formed in the inner wall of the right side of the cross-shaped water pipe 5, an annular through hole 15 is formed in the left end of the cross-shaped water pipe 5, an annular groove 16 is formed in the inner wall of the annular through hole 15 in the cross-shaped water pipe 5, a first connecting flange 17 is respectively arranged at the upper end, the lower end and the right end of the cross-shaped water pipe 5, and the cross-shaped water pipe 5 is respectively connected with the bottom end of the buffer water tank 8 and the upper end of the water weighing funnel 4 through the two first connecting flanges 17 at the upper end and the lower end; the outer end of the spiral propelling device 6 is provided with a latch 18, the inner end of the spiral propelling device 6 is provided with an annular connecting plate 19, the annular connecting plate 19 is arranged in an annular through hole 15 formed in the left end of the cross water pipe 5, one end of the annular connecting plate 19 is provided with an annular clamping plate 20, the annular clamping plate 20 is arranged in an annular groove 16 formed in the inner wall of the annular through hole 15, the inner end of the spiral propelling device 6 is provided with a threaded hole 21 in the inner side of the annular connecting plate 19, the threaded hole 21 penetrates through the inner end and the outer end of the spiral propelling device 6, a driving motor 22 is arranged below the spiral propelling device 6 and positioned at the upper end of the water weighing funnel 4, one end of the driving motor 22 is provided with a driving gear 23, and the driving gear 23 is meshed with the latch 18 arranged at the outer end of the spiral propelling device 6; a propelling screw rod 24 is arranged at the left end of the flow guide device 7, a limiting block 25 is arranged at the left end of the propelling screw rod 24, the left end of the propelling screw rod 24 penetrates through a threaded hole 21 formed in the spiral propelling device 6 and then is connected with the limiting block 25, eight limiting fixture blocks 26 are symmetrically arranged at the outer end of the flow guide device 7, the eight limiting fixture blocks 26 are symmetrically arranged in four first guide grooves 13 formed in the inner wall of the cross water pipe 5 in pairs, a water guide groove 27 is formed in the right end of the flow guide device 7, and the right end and the upper end of the flow guide device 7 are penetrated through the water guide groove 27; the upper end of the buffer water tank 8 is provided with a movable through hole 28, the lower end of the buffer water tank 8 is provided with a water flowing hole I37, the upper side of the right end of the buffer water tank 8 is provided with a water flowing hole II 36, the right end of the buffer water tank 8 is provided with a water returning pipe 33, one end of the water returning pipe 33 is connected to the outer side of the water flowing hole II 36, the other end of the water returning pipe 33 is connected with the water storage tank 10, and the upper end of the buffer water tank 8 is provided with a hydraulic cylinder 29; two connecting pipes 30 are symmetrically arranged on one side of the hydraulic cylinder 29, the other ends of the two connecting pipes 30 are connected with a hydraulic station, a push rod 31 is arranged inside the hydraulic cylinder 29, a baffle 32 is arranged at the lower end of the push rod 31 inside the buffer water tank 8, and the lower end of the push rod 31 penetrates through a movable through hole 28 formed in the upper end of the buffer water tank 8 and is connected with the baffle 32; the rear end of the water inlet pump 9 is provided with a water inlet pipe 34, the tail end of the water inlet pipe 34 is provided with a second connecting flange 35, the second connecting flange 35 is connected with a first connecting flange 17 at the right end of the cross water pipe 5, and the front end of the water inlet pump 9 is connected with the water storage tank 10.
It should be noted that, the present invention is a water supply device for a concrete mixing plant, when in use, firstly, the required ingredients and additives are put into the aggregate weighing funnel 2 and the additive weighing funnel 3, at the same time, the water in the water storage tank 10 is sent into the water weighing funnel 4 through the water inlet pipe 34 and the cross water pipe 5 by using the water inlet pump 9, when the water amount in the water weighing funnel 4 reaches a set value, the gravity sensing device in the water weighing funnel 4 sends the information to the control system, the control system sends an instruction to the water inlet pump 9 after receiving the information, so that the water inlet pump 9 stops working, at the same time, the control system controls the driving motor 22 to work, so that the driving gear 23 starts to rotate, the driving gear 23 rotates to drive the screw propulsion device 6 to rotate, when the screw propulsion screw rod 24 in the threaded hole 21 is pushed into the cross water pipe 5 by the threaded hole 21, the propulsion screw rod 24 moves to push the diversion device 7 to the cross water pipe 5, at this time, the limiting fixture block 26 on the diversion device 7 also slides to the inner side along the inner side of the threaded hole 21 to finally, so that the diversion baffle plate 32 slides into the inner side of the cross water pipe 5, so that the two diversion baffle plates 32 are finally, so that the diversion hydraulic cylinder 32 is prevented from moving upwards, at this time, so that the diversion hydraulic cylinder 32 is controlled by the inertial control the diversion hydraulic cylinder 32, and the diversion control push rod 32, when the water in the buffer water tank 8 is full, the water in the buffer water tank can flow back into the water storage tank 10 through the backflow water pipe 33, when the water in the water weighing funnel 4 enters the stirring device 1 to start stirring, the control system can send an instruction to drive the driving motor 22, the hydraulic station and the water inlet pump 9 to start working, so that the baffle 32 and the flow guide device 7 are reset, and finally the water inlet pump 9 starts to send the water in the water storage tank 10 into the water weighing funnel 4 in a new round.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a water supply installation of concrete mixing plant which characterized in that: comprises a stirring device (1), wherein an aggregate weighing funnel (2), an additive weighing funnel (3) and a water weighing funnel (4) are sequentially arranged at the upper end of the stirring device (1), a cross water pipe (5) is arranged at the upper end of the water weighing funnel (4), a spiral propelling device (6) is arranged at the left end of the cross water pipe (5), a flow guide device (7) is arranged at the right side of the spiral propelling device (6) in the cross water pipe (5), a buffer water tank (8) is arranged at the upper end of the cross water pipe (5), a water inlet pump (9) is arranged at one side of the stirring device (1), a water storage tank (10) is arranged at one side of the water inlet pump (9), four first guide grooves (13) are symmetrically formed in the inner wall of the left side of the cross water pipe (5), four second guide grooves (14) are symmetrically formed in the inner wall of the right side of the cross water pipe (5), an annular through hole (15) is formed in the left end of the cross water pipe (5), an annular groove (16) is formed in the inner wall, located in the annular through hole (15), of the inner portion of the cross water pipe (5), one connecting flange (17) is arranged at each of the upper end, the lower end and the right end of the cross water pipe (5), and the cross water pipe (5) is connected with the bottom end, the bottom end and the bottom end of the buffering water tank (8) through the two first connecting flanges (17) at the upper end and the lower end respectively, the water weighing hopper (4) is connected with the upper end of the water weighing hopper (4), the outer end of the spiral propelling device (6) is provided with a latch (18), the inner end of the spiral propelling device (6) is provided with an annular connecting plate (19), the annular connecting plate (19) is arranged in an annular through hole (15) formed in the left end of the cross water pipe (5), one end of the annular connecting plate (19) is provided with an annular clamping plate (20), the annular clamping plate (20) is arranged in an annular groove (16) formed in the inner wall of the annular through hole (15), the inner end of the spiral propelling device (6) is provided with a threaded hole (21) in the inner side of the annular connecting plate (19), the threaded hole (21) penetrates through the inner end and the outer end of the spiral propelling device (6), a driving motor (22) is arranged at the upper end of the water weighing hopper (4) below the spiral propelling device (6), one end of the driving motor (22) is provided with a driving gear (23), the driving gear (23) is arranged at the outer end of the latch (18) arranged on the spiral propelling device (6) and is in a meshed state, the left end of the flow guide device (7) is provided with a screw rod (24), and a limit block (25) arranged at the left end of the screw propelling device (24), the outer end symmetry of guiding device (7) is provided with eight spacing fixture blocks (26), and eight two bisymmetry settings of spacing fixture block (26) are in four guide way 13 of seting up on cross water pipe 5 inner wall, diversion trench (27) have been seted up to the right-hand member of guiding device (7), diversion trench (27) run through the right-hand member and the upper end of guiding device (7), activity through-hole (28) have been seted up to the upper end of buffering basin (8), water pipelining (37) have been seted up to the lower extreme of buffering basin (8), no. two water pipelining (36) have been seted up to the right-hand member upside of buffering basin (8), the right-hand member of buffering basin (8) is provided with return water pipe (33), the outside at No. two water pipelining (36) is connected to the one end of return water pipe (33), the other end of return water pipelining (33) links to each other end with aqua storage tank (10), the upper end of buffering basin (8) is provided with pneumatic cylinder (29).
2. A water supply installation for a concrete mixing plant according to claim 1, characterized in that: the water weighing hopper is characterized in that four supporting legs (11) are symmetrically arranged at the lower end of the stirring device (1), a discharge port (12) is formed between the four supporting legs (11) at the lower end of the stirring device (1), and a gravity sensing device and an electromagnetic valve are arranged inside the water weighing hopper (4).
3. A water supply installation for a concrete mixing plant according to claim 2, characterized in that: two connecting pipes (30) are symmetrically arranged on one side of the hydraulic cylinder (29), the other ends of the two connecting pipes (30) are connected with a hydraulic station, a push rod (31) is arranged inside the hydraulic cylinder (29), a baffle (32) is arranged inside the buffer water tank (8) at the lower end of the push rod (31), and the lower end of the push rod (31) penetrates through a movable through hole (28) formed in the upper end of the buffer water tank (8) to be connected with the baffle (32).
4. A water supply installation for a concrete mixing plant according to claim 3, characterized in that: the rear end of intake pump (9) is provided with inlet tube (34), the tail end of inlet tube (34) is provided with flange (35) No. two, flange (35) link to each other with a flange (17) of cross water pipe (5) right-hand member No. two, the front end of intake pump (9) links to each other with aqua storage tank (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933777.3A CN113601724B (en) | 2021-08-15 | 2021-08-15 | Water supply installation of concrete mixing plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933777.3A CN113601724B (en) | 2021-08-15 | 2021-08-15 | Water supply installation of concrete mixing plant |
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| CN113601724A CN113601724A (en) | 2021-11-05 |
| CN113601724B true CN113601724B (en) | 2023-03-24 |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133770B (en) * | 2010-12-22 | 2013-11-20 | 三一重工股份有限公司 | Water supply metering device and concrete stirring equipment comprising same |
| CN202254409U (en) * | 2011-08-08 | 2012-05-30 | 皇明太阳能股份有限公司 | Accumulated water empting device for solar water heater pipeline |
| CN102589665A (en) * | 2012-01-12 | 2012-07-18 | 三一重工股份有限公司 | Control device for asphalt measurement |
| CN206455824U (en) * | 2017-02-17 | 2017-09-01 | 南宁市嘉旺水泥制品有限公司 | A kind of concrete admixture add-on system |
| CN207954313U (en) * | 2018-03-12 | 2018-10-12 | 山东科技大学 | Aggregate allotment bucket |
| CN108527658B (en) * | 2018-03-20 | 2020-08-14 | 瑞安市逸合建筑装饰设计有限公司 | Cement preparation machine for building |
| CN208697704U (en) * | 2018-07-03 | 2019-04-05 | 福建南方路面机械有限公司 | Liquid additive leak-proof device for concrete mixing plant |
| CN209504510U (en) * | 2018-08-30 | 2019-10-18 | 浙江交工集团股份有限公司 | A kind of concrete automation preparation facilities |
| CN209851305U (en) * | 2019-04-03 | 2019-12-27 | 郑州砼之杰水工机械有限公司 | Liquid accurate weighing device for concrete mixing plant |
| CN110397118A (en) * | 2019-08-22 | 2019-11-01 | 山东省水利科学研究院 | A kind of antifreeze waterworks and method |
| CN210739460U (en) * | 2019-10-17 | 2020-06-12 | 张家港科尔润低温阀门有限公司 | Combined ball valve |
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