CN112158477A - Energy-saving cement for building transportation storage device - Google Patents
Energy-saving cement for building transportation storage device Download PDFInfo
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- CN112158477A CN112158477A CN202010966047.9A CN202010966047A CN112158477A CN 112158477 A CN112158477 A CN 112158477A CN 202010966047 A CN202010966047 A CN 202010966047A CN 112158477 A CN112158477 A CN 112158477A
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- fixedly connected
- box body
- pipe
- motor
- storage device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/548—Large containers characterised by means facilitating filling or emptying by pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention belongs to the field of cement storage, and relates to an energy-saving cement transportation and storage device for buildings, which comprises a box body and is characterized in that: the top of the fixing plate is provided with a fan, the left end of the box body is fixedly communicated with a feeding pipe, a material sucking pipe is fixedly clamped in the pipe clamp, a plurality of stirring rods are fixedly connected onto the transmission shaft, a driven belt pulley is fixedly connected onto the top of the transmission shaft, one side, away from the fixing frame, of the top of the box body is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving belt pulley, a transmission belt is connected between the driving belt pulley and the driven belt pulley in a transmission manner, a vibration motor is fixedly connected into the motor chamber, the output end of the vibration motor is fixedly connected with a cam, a filter screen is arranged between the two motor chambers; the device can stir and filter when storing the cement, and is convenient for loading and unloading materials.
Description
Technical Field
The invention belongs to the field of cement storage, and particularly relates to an energy-saving type transportation and storage device for cement for buildings.
Background
With the development of the times, the construction industry is continuously growing, and the most common in building construction is cement, cement: the cement is a powdery hydraulic inorganic cementing material, is added with water and stirred to form slurry, can be hardened in the air or in water, and can firmly bond materials such as sand, stone and the like together; as an important cementing material, the material is widely applied to engineering such as civil construction, water conservancy, national defense and the like for a long time; the existing cement is generally divided into bagged cement and bulk cement, the bagged cement is convenient to store but can increase the production cost, and the bulk cement is inconvenient to store and transport and is easy to damp.
At present, the existing bulk cement for buildings is generally stored through an iron tank, the cement is easily affected by dampness in rainy days, the cement is easily accumulated into blocks after being stored for a long time, and a large amount of labor is needed during charging and discharging, so that the labor intensity is improved.
Disclosure of Invention
The invention provides an energy-saving type transportation and storage device for cement for buildings, which is used for solving the problems that the bulk cement is easy to damp and agglomerate and inconvenient to load and unload.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to an energy-saving cement transportation and storage device for a building, which comprises a box body and is characterized in that: the left end of the box body is fixedly connected with a fixed frame, the top of the fixed frame is fixedly connected with a fixed plate, the top of the fixed plate is provided with a fan, the left end of the box body is fixedly communicated with a feed pipe, the other end of the feed pipe is fixedly communicated with the output end of the fan, the left end of the box body is fixedly connected with a plurality of pipe clamps, the pipe clamps are fixedly clamped in the pipe clamps, one end of the material suction pipe is fixedly communicated with the middle part of the feed pipe, the inner wall of the box body is fixedly connected with four fixed rods, a fixed shaft sleeve is fixedly connected between the four fixed rods, a transmission shaft is rotatably connected in the fixed shaft sleeve, a plurality of stirring rods are fixedly connected on the transmission shaft, the top of the transmission shaft is fixedly connected with a driven belt pulley, one side, two motor rooms have been seted up to the left and right sides in the box, the indoor fixedly connected with shock motor of motor, shock motor output fixedly connected with cam, two be equipped with the filter screen between the motor room, filter screen outer end fixedly connected with installation circle, the motor room is close to shock motor output one end fixedly connected with mounting panel, mounting panel top fixedly connected with return spring, the return spring other end and installation circle bottom fixed connection, the fixed intercommunication of bottom half has the discharging pipe, be equipped with the valve on the discharging pipe.
As a preferred technical scheme, four support rods are fixedly connected to the bottom of the box body, a cushioning mechanism is arranged at the bottom of each support rod and comprises a cushioning seat and fixing bolts, the cushioning seat is movably inserted into the support rods, a cushioning spring is fixedly connected to the bottom of the cushioning seat, a limiting plate is fixedly connected to the top of the cushioning spring, the top of the limiting plate is fixedly connected to the bottom of each support rod, four fixing bolts are movably inserted into four corners of the cushioning seat, the box body can be effectively fixed, and the influence of vibration can be reduced during stirring and loading and unloading.
As a preferred technical scheme of the invention, the material suction pipe and the material discharge pipe are in the same horizontal position, so that loading and unloading are convenient.
As a preferable technical scheme of the invention, the stirring rods are annularly and equidistantly distributed on the transmission shaft, so that the stirring effect is favorably improved.
As a preferred technical scheme of the invention, the top of the box body is fixedly connected with a protective shell, and the protective shell is positioned outside the driving motor and can protect the driving motor, the driving belt pulley, the driven belt pulley, the transmission belt and the transmission shaft.
As a preferred technical scheme, the bottom of the mounting ring is fixedly connected with two guide columns, the top of the mounting plate is fixedly connected with a guide sleeve, and the guide columns are movably inserted with the guide sleeve, so that the vibration direction deviation of the return spring after long-term use can be effectively prevented.
As a preferred technical scheme of the invention, the left end and the right end of the box body are provided with the heat dissipation grids corresponding to the motor chamber, so that the vibration motor can be effectively dissipated.
As a preferred technical scheme, the front end of the box body is fixedly connected with an access door, and the access door is provided with a glass observation window, so that the cement amount in the box body can be conveniently observed, and the impurities in the box body and on the filter screen can be conveniently cleaned.
As a preferred technical scheme of the invention, the right end of the box body is fixedly communicated with a pressure relief pipe, the pressure relief pipe is provided with a pressure relief valve, and the top of the box body is provided with a pressure gauge, so that the pressure inside the box body can be effectively observed and relieved.
In order to solve the problem that the device generates vibration in the process of screening the cement raw materials, a using method is proposed, and the method comprises the following steps:
step S1: the cushioning seat is fixed with the ground through the fixing bolt;
step S2: the box body vibrates and is transmitted to the limiting plate through the supporting rod;
step S3: the buffering spring is subjected to the force transmitted by the limiting plate, and the elastic action of the buffering spring can apply a reaction force to offset the influence of vibration.
The invention has the following beneficial effects: store cement through this kind of closed design, can effectually prevent that rainwater infiltration from causing cement to wet, blow to the inlet pipe through fan output, because the effect of negative pressure is inhaled the material pipe and can be drawn the cement powder, and can carry out preliminary treatment and storage in the box, the valve is opened to the accessible simultaneously and utilizes the discharging pipe inlet pipe to unload, and the loading and unloading of the cement of being convenient for is favorable to reducing intensity of labour.
Drive the drive pulley rotation through the driving motor output, the drive pulley passes through driving belt and drives driven pulley rotation, driven pulley drives the puddler through the transmission shaft and rotates in fixed axle sleeve and stir blocky cement, and vibrate the motor and drive the cam and rotate, the cam rotates and periodically lifts installation circle and filter screen, the elasticity effect through return spring carries out the return simultaneously, sifts through cement in order to reach the effect of vibrations, be favorable to promoting the quality of cement, the save time of extension cement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a front sectional view of the case of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is a front cross-sectional view of the cushioning mechanism of the present invention.
In the figure: 1. a box body; 2. a support bar; 3. a cushioning mechanism; 4. a cushioning seat; 5. a cushioning spring; 6. a limiting plate; 7. a fixing bolt; 8. a fixed mount; 9. a fixing plate; 10. a fan; 11. a feed pipe; 12. a pipe clamp; 13. a material suction pipe; 14. fixing the rod; 15. fixing the shaft sleeve; 16. a drive shaft; 17. a stirring rod; 18. a driven pulley; 19. a drive motor; 20. a drive pulley; 21. a drive belt; 22. a protective housing; 23. a motor chamber; 24. a vibration motor; 25. a cam; 26. a filter screen; 27. installing a ring; 28. a guide post; 29. mounting a plate; 30. a guide sleeve; 31. a return spring; 32. a heat dissipation grid; 33. a discharge pipe; 34. a valve; 35. an access door; 36. a glass viewing window; 37. a pressure relief pipe; 38. a pressure relief valve; 39. and a pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1-6, an energy-saving cement transporting and storing device for building comprises a box body 1, and is characterized in that: the left end of the box body 1 is fixedly connected with a fixed frame 8, the top of the fixed frame 8 is fixedly connected with a fixed plate 9, the top of the fixed plate 9 is provided with a fan 10, the left end of the box body 1 is fixedly communicated with a feed pipe 11, the other end of the feed pipe 11 is fixedly communicated with the output end of the fan 10, the left end of the box body 1 is fixedly connected with a plurality of pipe clamps 12, the inner parts of the pipe clamps 12 are fixedly clamped with a material suction pipe 13, one end of the material suction pipe 13 is fixedly communicated with the middle part of the feed pipe 11, the inner wall of the box body 1 is fixedly connected with four fixed rods 14, a fixed shaft sleeve 15 is fixedly connected between the four fixed rods 14, a transmission shaft 16 is rotatably connected in the fixed shaft sleeve 15, a plurality of stirring rods 17 are fixedly connected on the transmission shaft 16, the top of the transmission, two motor rooms 23 have been seted up to the left and right sides in box 1, fixedly connected with vibrates motor 24 in the motor room 23, vibrate motor 24 output end fixedly connected with cam 25, be equipped with filter screen 26 between two motor rooms 23, filter screen 26 outer end fixedly connected with collar 27, motor room 23 is close to vibrates motor 24 output end one end fixedly connected with mounting panel 29, mounting panel 29 top fixedly connected with return spring 31, the return spring 31 other end and collar 27 bottom fixed connection, the fixed intercommunication in box 1 bottom has discharging pipe 33, be equipped with valve 34 on the discharging pipe 33.
The bottom of the box body 1 is fixedly connected with four supporting rods 2, the bottom of each supporting rod 2 is provided with a cushioning mechanism 3, each cushioning mechanism 3 comprises a cushioning seat 4 and a fixing bolt 7, each cushioning seat 4 is movably inserted into the corresponding supporting rod 2, a cushioning spring 5 is fixedly connected to the bottom of each cushioning seat 4, a limiting plate 6 is fixedly connected to the top of each cushioning spring 5, the top of each limiting plate 6 is fixedly connected to the bottom of each supporting rod 2, four fixing bolts 7 are movably inserted into four corners of each cushioning seat 4, the box body 1 can be effectively fixed, and the vibration influence can be reduced during stirring and loading and unloading; the material suction pipe 13 and the material discharge pipe 33 are in the same horizontal position, so that loading and unloading are convenient; the stirring rods 17 are annularly and equidistantly distributed on the transmission shaft 16, so that the stirring effect is improved; the top of the box body 1 is fixedly connected with a protective shell 22, the protective shell 22 is positioned outside the driving motor 19 and can protect the driving motor 19, the driving belt pulley 20, the driven belt pulley 18, the transmission belt 21 and the transmission shaft 16; the bottom of the mounting ring 27 is fixedly connected with two guide posts 28, the top of the mounting plate 29 is fixedly connected with a guide sleeve 30, the guide posts 28 are movably inserted with the guide sleeve 30, and the deviation of the vibration direction of the return spring 31 after long-term use can be effectively prevented; the left end and the right end of the box body 1 are provided with heat dissipation grids 32 corresponding to the motor chamber 23, so that the vibration motor 24 can be effectively dissipated; an access door 35 is fixedly connected to the front end of the box body 1, and a glass observation window 36 is formed in the access door 35, so that the cement amount in the box body 1 can be observed conveniently, and the impurities in the box body 1 and on the filter screen 26 can be cleaned conveniently; the right end of the box body 1 is fixedly communicated with a pressure relief pipe 37, the pressure relief pipe 37 is provided with a pressure relief valve 38, the top of the box body 1 is provided with a pressure gauge 39, the pressure inside the box body 1 can be effectively observed, and pressure relief is carried out.
Specifically, when cement is loaded, the output end of the fan 10 blows air to the feeding pipe 11, the suction pipe 13 can suck cement powder under the action of negative pressure, and when cement is unloaded, the discharging pipe 33 can be used for discharging the material from the feeding pipe 11 by opening the valve 34, so that the cement can be conveniently loaded and unloaded, and the labor intensity can be reduced; when storing cement, 19 output of driving motor drive belt pulley 20 rotates, drive belt pulley 20 drives driven pulley 18 through driving belt 21 and rotates, driven pulley 18 drives puddler 17 through transmission shaft 16 and rotates in fixed axle sleeve 15 and stirs blocky cement, and vibrate 24 output of motor and drive cam 25 and rotate, cam 25 rotates periodic lifting collar 27 and filter screen 26, return through return spring 31's elastic action simultaneously, pass through to sieve cement in order to reach the effect of vibrations, simultaneously, through guide pin bushing 30, the grafting of guide pillar 28 leads, can effectually prevent that return spring 31 from using the back to shake the direction skew for a long time, be favorable to promoting the quality of cement, the shelf life of extension cement.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a transportation storage device of energy-saving cement for building, includes box (1), its characterized in that: the left end of the box body (1) is fixedly connected with a fixing frame (8), the top of the fixing frame (8) is fixedly connected with a fixing plate (9), the top of the fixing plate (9) is provided with a fan (10), the left end of the box body (1) is fixedly communicated with an inlet pipe (11), the other end of the inlet pipe (11) is fixedly communicated with the output end of the fan (10), the left end of the box body (1) is fixedly connected with a plurality of pipe clamps (12), the pipe clamps (12) are fixedly clamped with a suction pipe (13), one end of the suction pipe (13) is fixedly communicated with the middle part of the inlet pipe (11), the inner wall of the box body (1) is fixedly connected with four fixing rods (14), a fixing shaft sleeve (15) is fixedly connected between the four fixing rods (14), a transmission shaft (16) is rotationally connected with the fixing shaft sleeve, the transmission shaft (16) is fixedly connected with a driven pulley (18) at the top, the top of the box body (1) is far away from a fixed frame (8) and one side of a driving motor (19), the output end of the driving motor (19) is fixedly connected with a driving pulley (20), a transmission belt (21) is connected between the driving pulley (20) and the driven pulley (18), two motor chambers (23) are arranged on the left side and the right side in the box body (1), a vibration motor (24) is fixedly connected in the motor chambers (23), a cam (25) is fixedly connected at the output end of the vibration motor (24), a filter screen (26) is arranged between the motor chambers (23), the outer end of the filter screen (26) is fixedly connected with a mounting ring (27), and the motor chambers (23) are close to the mounting plate (29) fixedly connected with the output, mounting panel (29) top fixedly connected with return spring (31), return spring (31) other end and installation circle (27) bottom fixed connection, the fixed intercommunication in box (1) bottom has discharging pipe (33), be equipped with valve (34) on discharging pipe (33).
2. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: four spinal branch vaulting poles (2) of box (1) bottom fixedly connected with, bracing piece (2) bottom is equipped with bradyseism mechanism (3), bradyseism mechanism (3) are including bradyseism seat (4) and gim peg (7), bradyseism seat (4) are pegged graft with bracing piece (2) activity, bottom fixedly connected with bradyseism spring (5) in bradyseism seat (4), bradyseism spring (5) top fixedly connected with limiting plate (6), limiting plate (6) top and bracing piece (2) bottom fixed connection, bradyseism seat (4) four corners activity is pegged graft and is had four gim pegs (7).
3. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the material suction pipe (13) and the material discharge pipe (33) are in the same horizontal position.
4. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the stirring rods (17) are distributed on the transmission shaft (16) in an annular and equidistant mode.
5. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the top of the box body (1) is fixedly connected with a protective shell (22), and the protective shell (22) is located on the outer side of the driving motor (19).
6. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the bottom of the mounting ring (27) is fixedly connected with two guide posts (28), the top of the mounting plate (29) is fixedly connected with a guide sleeve (30), and the guide posts (28) are movably inserted with the guide sleeve (30).
7. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the left end and the right end of the box body (1) correspond to the motor chamber (23) and are provided with heat dissipation grids (32).
8. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the box (1) front end fixedly connected with access door (35), glass observation window (36) have been seted up on access door (35).
9. The energy-saving cement transportation and storage device for building as claimed in claim 1, wherein: the box body (1) right-hand member is fixed to be communicated with a pressure relief pipe (37), the pressure relief pipe (37) is provided with a pressure relief valve (38), and the top of the box body (1) is provided with a pressure gauge (39).
10. The invention also provides a method applied to the damping mechanism (3) of claim 2 to achieve a damping effect, and the method is characterized by comprising the following steps:
step S1: the shock absorption seat (4) is fixed with the ground through the fixing bolt (7);
step S2: the vibration of the box body (1) is transmitted to the limiting plate (6) through the supporting rod (2);
step S3: the cushioning spring (5) is subjected to the force transmitted by the limiting plate (6), and a reaction force is applied to counteract the influence of vibration due to the elastic action of the cushioning spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966047.9A CN112158477A (en) | 2020-09-15 | 2020-09-15 | Energy-saving cement for building transportation storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966047.9A CN112158477A (en) | 2020-09-15 | 2020-09-15 | Energy-saving cement for building transportation storage device |
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| Publication Number | Publication Date |
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| CN112158477A true CN112158477A (en) | 2021-01-01 |
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| CN202010966047.9A Pending CN112158477A (en) | 2020-09-15 | 2020-09-15 | Energy-saving cement for building transportation storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911575A (en) * | 2021-11-08 | 2022-01-11 | 湖南常德南方水泥有限公司 | Automatic loading equipment for bulk cement |
| CN114056784A (en) * | 2021-12-19 | 2022-02-18 | 李蒙 | Discharge means is stored to combined material for building |
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| CN208018544U (en) * | 2018-02-14 | 2018-10-30 | 湖南海洋胶囊有限公司 | A kind of capsule for medicine production stock stirring device |
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| CN209680175U (en) * | 2018-09-27 | 2019-11-26 | 四川言诺科技有限公司 | A kind of white wine processing automatic screening feeding stir process equipment |
| CN111590738A (en) * | 2020-05-27 | 2020-08-28 | 浙江汇博水泥制品有限公司 | Production process and production equipment for high-strength concrete drain pipe |
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| JPH08192893A (en) * | 1995-01-09 | 1996-07-30 | Sumitomo Metal Ind Ltd | Coarse dust force-feed device |
| US20170233298A1 (en) * | 2011-11-29 | 2017-08-17 | Corning Incorporated | Apparatus and method for skinning articles |
| CN206842527U (en) * | 2017-03-31 | 2018-01-05 | 泉州市盛弘物业管理有限公司 | Cement blast system |
| CN108044797A (en) * | 2017-12-12 | 2018-05-18 | 新昌县城关宾立机械厂 | A kind of construction concrete mixer |
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| CN109821641A (en) * | 2019-03-10 | 2019-05-31 | 青岛联合智造科技有限公司 | A kind of construction gravel screening plant and its screening technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911575A (en) * | 2021-11-08 | 2022-01-11 | 湖南常德南方水泥有限公司 | Automatic loading equipment for bulk cement |
| CN114056784A (en) * | 2021-12-19 | 2022-02-18 | 李蒙 | Discharge means is stored to combined material for building |
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