CN111873185A - Bucket lifting type concrete mixing plant lifting hopper - Google Patents
Bucket lifting type concrete mixing plant lifting hopper Download PDFInfo
- Publication number
- CN111873185A CN111873185A CN202010815681.2A CN202010815681A CN111873185A CN 111873185 A CN111873185 A CN 111873185A CN 202010815681 A CN202010815681 A CN 202010815681A CN 111873185 A CN111873185 A CN 111873185A
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- Prior art keywords
- hopper
- lifting
- elevator bucket
- lifting hopper
- bucket
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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
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/068—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors having means to elevate or hoist a charging-bin or container
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model provides a formula concrete mixing plant elevator bucket is carried to fill, when the elevator bucket was located elevator bucket guide rail position department of lowest end, aggregate proportioning machine added the batching to the elevator bucket in, later power unit drive elevator bucket passes through the leading wheel and follows elevator bucket guide rail upward movement, and the elevator bucket need not stop the waiting, directly rotates to the elevator bucket export via deviator and down and be located the top of aggregate entry. At this moment, the lifting hopper is in throwing the material angle, and when main mixer possessed and thrown the material condition, the sluice gate couple rotated actuating mechanism drive sluice gate couple and outwards rotated to make its hook groove position keep away from the sluice gate, under the action of gravity, the sluice gate was opened through I outside upsets of pivot, thereby the aggregate in the lifting hopper flows out in following the lifting hopper export, falls into main mixer through the aggregate entry. The ascending process of the lifting hopper cancels the high-position waiting process, the lifting hopper directly moves to the top end, the time for restarting and operating the lifting hopper is saved, and the impact of secondary starting and stopping of the lifting hopper on equipment is reduced.
Description
Technical Field
The invention relates to the technical field of concrete mixing plants, in particular to a bucket lifting type concrete mixing plant material lifting bucket.
Background
With the great environment of continuous progress of technological modernization, concrete production equipment is widely applied in the field of buildings. At present, aggregate of concrete mixing plant equipment is conveyed in several different modes, the mode of a conveying belt is mainly used at present, the aggregate conveying efficiency is high, the aggregate can be conveyed into a storage bin at the top of the equipment in advance, the concrete production efficiency is maximized, and the obvious defects of high equipment manufacturing cost and large occupied area exist. What's more is that the bucket that utilizes the hoist engine to drive the lifting bucket transports aggregate carries formula concrete mixing plant, its advantage is that manufacturing cost is relatively lower, area is little, but because lifting bucket functioning speed is slow, and lifting bucket can not directly move to the top, need to move to higher position and stop, wait that main mixer is empty again the secondary start goes upward, cause production efficiency not as belt transport formula mixing plant, and lifting bucket stop and restart at high-order waiting, cause the host computer to rock great, wire rope impact wear, the life-span is shorter and appear disconnected wire rope and fall the lifting bucket phenomenon.
Disclosure of Invention
In order to overcome the defects of the technology, the invention provides the bucket lifting type concrete mixing station bucket lifting hopper which can enable the hopper to directly run to the top end without high-position waiting in the ascending process, directly feed materials to a host when receiving a feeding signal, reduce the impact of the secondary start and stop of the bucket lifting hopper on equipment and save the restarting running time.
The technical scheme adopted by the invention for overcoming the technical problems is as follows:
the utility model provides a formula concrete mixing plant elevator bucket is carried to fill, includes frame and elevator bucket frame, both ends are provided with the elevator bucket guide rail from bottom to top slope respectively about the frame, rotate in the elevator bucket frame and install the elevator bucket, the elevator bucket frame is controlled both ends and is rotated respectively and install the leading wheel, the leading wheel roll mounting is on the elevator bucket guide rail that the homonymy corresponds, and the elevator bucket passes through its up-and-down motion of following the elevator bucket guide rail of power unit drive, and the elevator bucket upper end is provided with the elevator bucket export, still includes:
the hopper door is rotatably arranged on the hopper through a rotating shaft I;
the hopper door hook comprises N hopper door hooks, a rotating shaft II and a hopper door hook groove, wherein the rotating shaft II is rotatably arranged on the hopper, N is a positive integer greater than or equal to 1, a torsional spring is sleeved on the rotating shaft II, one end of the torsional spring is connected with the hopper, the other end of the torsional spring is connected with the hopper door hooks, and when the hopper door shields the outlet of the hopper, the hook groove of the hopper door hook is hooked at the outer side end of the hopper door under the elasticity of the torsional spring;
the power mechanism drives the lifting hopper to move upwards through the lifting hopper guide rail to the turning mechanism, and the turning mechanism drives the hopper outlet of the lifting hopper to rotate downwards to be positioned right above the aggregate inlet of the main mixer; and
the hopper door hook rotation driving mechanism is used for driving the hopper door hook to rotate outwards to the hook groove and keep away from the hopper door.
Furthermore, the power mechanism comprises a pulley rotatably mounted at the upper end of the material lifting hopper frame, one end of the steel wire rope is fixed on the frame after wrapping the pulley, and the other end of the steel wire rope is connected to the driving motor.
Furthermore, above-mentioned steering mechanism is including setting up in the frame and being convex arc guide rail and installing the gyro wheel on the lifting hopper that is located lifting hopper guide rail upper end, and when the lifting hopper rebound, during the gyro wheel got into the arc guide rail, the lifting hopper clockwise rotation, when the gyro wheel moved the throwing material angle to the arc guide rail, the hopper export downwardly rotating of lifting hopper was to being located the aggregate entry of main mixer directly over.
Further, above-mentioned sluice gate couple rotates actuating mechanism includes along the slide bar of left right direction horizontal slip installation on the lifting hopper, be provided with N kicking blocks on the slide bar, the head end of kicking block is provided with direction inclined plane III, and slide bar actuating mechanism is used for driving the slide bar along the horizontal direction horizontal slip, and when the slide bar slides to direction inclined plane III and the sluice gate couple that corresponds contacts, it promotes sluice gate couple and rotates to the outside, and when the slide bar slides to the outside terminal surface of kicking block and the sluice gate couple contacts, the sluice gate couple breaks away from to the hook groove and sluice gate mutually to the outside.
In order to realize automatic door closing, still including setting up the clamp plate on carrying the hopper frame, the front end of clamp plate below is provided with direction inclined plane II, the medial extremity of the gib head of sluice gate couple is provided with direction inclined plane I, it is provided with the depression bar to extend its length direction on the sluice gate, when power unit drive lifting hopper passes through the reversing mechanism and returns the journey motion, depression bar and II sliding friction drive sluice gates on direction inclined plane rotate downwards to its head end and I frictional contact on direction inclined plane until the outside end card of sluice gate arranges in the hook groove.
Further, above-mentioned slide bar actuating mechanism includes the cylinder of horizontal installation on the aggregate entry, the cylinder push pedal is installed to the piston rod head end of cylinder, the axis and the slide bar of cylinder are coaxial mutually, and reset spring's one end is connected with the slide bar, and its other end is connected with the lifting hopper, and when the piston rod of cylinder was whole stretches out, cylinder push pedal drive slide bar slided to kicking block and contact with the dipper couple, and tensile reset spring.
The invention has the beneficial effects that: when the lifting hopper is located at the lowest end position of the lifting hopper guide rail, the aggregate proportioning machine adds the ingredients into the lifting hopper, then the power mechanism drives the lifting hopper to move upwards along the lifting hopper guide rail through the guide wheel, the lifting hopper does not need to stay for waiting, and the lifting hopper directly rotates to the position, below the outlet of the lifting hopper, above the aggregate inlet through the direction changing mechanism. At this moment, the lifting hopper is in throwing the material angle, and when main mixer possessed and thrown the material condition, the sluice gate couple rotated actuating mechanism drive sluice gate couple and outwards rotated to make its hook groove position keep away from the sluice gate, under the action of gravity, the sluice gate was opened through I outside upsets of pivot, thereby the aggregate in the lifting hopper flows out in following the lifting hopper export, falls into main mixer through the aggregate entry. The ascending in-process of lifting hopper has cancelled high-order waiting process, and its direct motion is to the top, directly throws the material to main mixer when receiving the material signal of throwing, saves the time of lifting hopper restart operation, has reduced the impact of lifting hopper secondary start-stop to equipment.
Drawings
FIG. 1 is a schematic view of a stripping hopper of the present invention in a bottom end feed position;
FIG. 2 is a schematic view of a lifting hopper of the present invention in a top loading position;
FIG. 3 is a schematic view of the elevator hopper of the present invention in an elevated position;
FIG. 4 is a schematic perspective view of the hopper door according to the present invention in an open state;
FIG. 5 is a schematic perspective view of the hopper door of the present invention;
FIG. 6 is a schematic perspective view of a hook portion of the present invention;
FIG. 7 is a schematic perspective view of the door opening mechanism of the present invention;
in the figure, 1, a hopper door 2, a hopper door hook 3, a sliding rod 4, an air cylinder 5, an air cylinder push plate 6, a pressure plate 7, a pressure rod 8, a lifting hopper 9, a main stirring machine 10, a lifting hopper frame 11, a reset spring 12, a top block 13, a torsion spring 14, a pulley 15, a steel wire rope 16, a lifting hopper guide rail 17, an aggregate inlet 18, a roller 19, a lifting hopper outlet 20, a rotating shaft I21, a hook groove 22, a guide inclined surface I23, a guide inclined surface II 24, a rotating shaft II 25, a guide inclined surface III 26 and an arc-shaped guide rail are arranged.
Detailed Description
The invention will be further described with reference to fig. 1 to 7.
The utility model provides a formula concrete mixing plant elevator bucket is carried to fill, including frame and elevator bucket frame 10, both ends are provided with elevator bucket guide rail 16 from the slope from bottom to top respectively about the frame, rotate in the elevator bucket frame 10 and install elevator bucket 8, elevator bucket frame 10 is controlled both ends and is rotated respectively and installs the leading wheel, the leading wheel roll is installed on the elevator bucket guide rail 16 that the homonymy corresponds, elevator bucket 8 passes through its up-and-down motion along elevator bucket guide rail 16 of power unit drive, elevator bucket 8 upper ends are provided with elevator bucket export 19, still include: the hopper door 1 is rotatably arranged on the hopper 8 through a rotating shaft I20; n hopper door hooks 2 are rotatably mounted on the hopper lifting hopper 8 through a rotating shaft II 24, N is a positive integer larger than or equal to 1, a torsion spring 13 is sleeved on the rotating shaft II 24, one end of the torsion spring 13 is connected with the hopper lifting hopper 8, the other end of the torsion spring is connected with the hopper door hooks 2, and when the hopper door 1 shields the hopper lifting hopper outlet 19, hook grooves 21 of the hopper door hooks 2 are hooked on the outer side end of the hopper door 1 under the elastic force of the torsion spring 13; the turning mechanism is arranged on the material lifting hopper frame 10, and when the power mechanism drives the material lifting hopper 8 to move upwards to the turning mechanism through the material lifting hopper guide rail 16, the turning mechanism drives the hopper outlet 19 of the material lifting hopper 8 to rotate downwards to be positioned right above the aggregate inlet 17 of the main stirring machine 9; and the hopper door hook rotation driving mechanism is used for driving the hopper door hook 2 to rotate outwards until the hook groove 21 is far away from the hopper door 1. When the lifting hopper 8 is positioned at the lowest end of the lifting hopper guide rail 16, the aggregate proportioning machine adds the ingredients into the lifting hopper 8, then the power mechanism drives the lifting hopper 8 to move upwards along the lifting hopper guide rail 16 through the guide wheel, the lifting hopper 8 does not need to stay for waiting, and the lifting hopper 8 directly rotates to the position above the aggregate inlet 17 and the lifting hopper outlet 19 faces downwards through the direction changing mechanism. At this time, the material lifting hopper 8 is at a material feeding angle, when the main mixer 9 has a material feeding condition, the hopper door hook rotation driving mechanism drives the hopper door hook 2 to rotate outwards, so that the hook groove 21 is far away from the hopper door 1, and under the action of gravity, the hopper door 1 is overturned outwards through the rotating shaft I20 and opened, so that the aggregate in the material lifting hopper 8 flows out of the material lifting hopper outlet 19 and falls into the main mixer 9 through the aggregate inlet 17. The ascending in-process of lifting hopper 8 has cancelled high-order waiting process, and its direct motion is to the top, directly throws the material to main mixer 9 when receiving the material signal of throwing, saves the time of 8 restarts operations of lifting hopper, has reduced 8 secondary of lifting hopper and has stopped the impact to equipment.
Further, the power mechanism comprises a pulley 14 rotatably mounted at the upper end of the hopper frame 10, the steel wire rope 15 is wound around the pulley 14, one end of the steel wire rope is fixed on the frame, and the other end of the steel wire rope is connected to the driving motor. The driving motor drives the steel wire rope 15 to pull the pulley 14 to rotate and simultaneously drives the lifting hopper frame 10 to roll along the lifting hopper guide rail 16 through the guide wheel to realize up-and-down movement.
The direction changing mechanism can be of a structure comprising an arc-shaped guide rail 26 which is arranged on the rack and positioned at the upper end of the lifting hopper guide rail 16 and is in a circular arc shape and a roller 18 which is arranged on the lifting hopper 8, when the lifting hopper 8 moves upwards and the roller 18 enters the arc-shaped guide rail 26, the lifting hopper 8 rotates clockwise, and when the roller 18 moves to the feeding angle of the arc-shaped guide rail 26, a hopper outlet 19 of the lifting hopper 8 rotates downwards to be positioned right above an aggregate inlet 17 of the main stirring machine 9. When the lifting hopper 8 moves to the arc-shaped guide rail 26 through the roller 18, the lifting hopper 8 moves along the arc direction of the arc-shaped guide rail 26, so that the lifting hopper 8 rotates to the position that the outlet 19 of the lifting hopper faces downwards and is positioned right above the aggregate inlet 17.
The hopper door hook rotation driving mechanism can be of a structure comprising a slide rod 3 horizontally slidably mounted on a hopper 8 in the left-right direction, N ejector blocks 12 are arranged on the slide rod 3, a guide inclined plane III 25 is arranged at the head end of each ejector block 12, the slide rod driving mechanism is used for driving the slide rod 3 to horizontally slide left and right, when the slide rod 3 slides to the guide inclined plane III 25 to be in contact with a corresponding hopper door hook 2, the slide rod pushes the hopper door hook 2 to rotate outwards, and when the slide rod 3 slides to the outer side end face of the ejector block 12 to be in contact with the hopper door hook 2, the hopper door hook 2 rotates outwards to the hook groove 21 to be separated from the hopper door 1. When the slide rod driving mechanism drives the slide rod 3 to drive the ejector blocks 12 to move towards the direction of the hopper door hook 2, after each ejector block 12 is gradually contacted with the corresponding hopper door hook 2 through the guide inclined plane III 25, the hopper door hook 2 is driven to rotate outwards and the torsion spring 13 is compressed to realize energy storage. At this moment, the hopper door hook 2 leaves the hopper door 1, so the hopper door 1 can be turned over and opened, when the slide rod driving mechanism drives the slide rod 3 to drive the ejector block 12 to move towards the direction away from the hopper door hook 2, the ejector block 12 leaves the hopper door hook 2, at this moment, under the elasticity of the torsion spring 13, the hopper door hook 2 is driven to rotate inwards to the edge fixed on the hopper door 1 through the hook groove 21 hook, and the locking of the hopper door 1 is fixed.
Further, still including setting up clamp plate 6 on carrying hopper frame 10, the front end of clamp plate 6 below is provided with direction inclined plane II 23, the medial extremity of the gib head of sluice gate couple 2 is provided with direction inclined plane I22, it is provided with depression bar 7 to extend its length direction on sluice gate 1, when power unit drive carries hopper 8 and passes through the steering mechanism and return the journey motion, depression bar 7 and direction inclined plane II 23 slip friction drive sluice gate 1 and rotate downwards to its head end and direction inclined plane I22 frictional contact until the outside end card of sluice gate 1 arranges in hook groove 21. After aggregate in the lifting hopper 8 is added into the main stirring machine 9, the power mechanism drives the lifting hopper 8 to return, because the hopper door 1 keeps an open state at the moment, the lifting hopper 8 rotates reversely when the reversing mechanism moves in a return way, the lower end of the pressure plate on the lifting hopper frame 10 downwards extrudes the hopper door 1 after sliding friction between the guide inclined plane II 23 and the pressure rod 7, the hopper door hook 2 outwards rotates after the outer side end of the hopper door 1 is in sliding friction contact with the guide inclined plane I22 on the hopper door hook 2, and finally the hopper door 1 is pressed down to seal the outlet 19 of the lifting hopper, under the elasticity of the torsion spring 13, the hook groove 21 of the hopper door hook 2 is hooked at the edge of the hopper door 1, so that the hopper door 1 is locked. The automatic closing of the hopper door 1 of the lifting hopper 8 in the return stroke process is realized by arranging the pressing plate 6, the automation degree of the operation of equipment is improved, and the lifting hopper outlet 19 is in a closed state when the lifting hopper 8 returns to the lowest end of the lifting hopper guide rail 16 to receive materials.
The slide bar driving mechanism can be as follows structure, and it includes horizontal installation cylinder 4 on aggregate entry 17, and cylinder push pedal 5 is installed to the piston rod head end of cylinder 4, the axis of cylinder 4 is coaxial with slide bar 3, and reset spring 11's one end is connected with slide bar 3, and its other end is connected with lifting hopper 8, and when cylinder 4's piston rod was all stretched out, cylinder push pedal 5 drive slide bar 3 slided to kicking block 12 and is contacted with hopper door couple 2, and tensile reset spring 11. The piston rod of the cylinder 4 extends outwards, the piston rod drives the cylinder push plate 5 to extend outwards, the cylinder push plate 5 pushes the sliding rod 3 to slide, so that the top block 12 on the sliding rod 3 drives the hopper door hook 2 to rotate outwards, and the reset spring 11 stretches to store energy at the moment. When the slide bar 3 is reset, the piston rod of the air cylinder 4 retracts inwards, and the reset spring 11 releases elasticity, so that the slide bar 3 is pulled to slide reversely, and the reset is realized.
Claims (6)
1. The utility model provides a formula concrete mixing plant elevator bucket is carried to fill, includes frame and elevator bucket frame (10), both ends are provided with elevator bucket guide rail (16) from the slope from bottom to top respectively about the frame, elevator bucket (8) are installed in rotation in elevator bucket frame (10), both ends are rotated respectively about elevator bucket frame (10) and are installed the leading wheel, the leading wheel roll is installed on elevator bucket guide rail (16) that the homonymy corresponds, and elevator bucket (8) are provided with elevator bucket export (19) through its up-and-down motion along elevator bucket guide rail (16) of power unit drive, elevator bucket (8) upper end, and its characterized in that still includes:
the hopper door (1) is rotatably arranged on the hopper (8) through a rotating shaft I (20);
the hopper door hook comprises N hopper door hooks (2) which are rotatably arranged on a hopper (8) through a rotating shaft II (24), wherein N is a positive integer greater than or equal to 1, a torsion spring (13) is sleeved on the rotating shaft II (24), one end of the torsion spring (13) is connected with the hopper (8), the other end of the torsion spring is connected with the hopper door hooks (2), and when the hopper door (1) shields an outlet (19) of the hopper, a hook groove (21) of each hopper door hook (2) is hooked at the outer side end of the hopper door (1) under the elasticity of the torsion spring (13);
the direction changing mechanism is arranged on the material lifting hopper frame (10), and when the power mechanism drives the material lifting hopper (8) to move upwards to the direction changing mechanism through the material lifting hopper guide rail (16), the direction changing mechanism drives the hopper outlet (19) of the material lifting hopper (8) to rotate downwards to be positioned right above the aggregate inlet (17) of the main stirring machine (9); and
the hopper door hook rotation driving mechanism is used for driving the hopper door hook (2) to rotate outwards until the hook groove (21) is far away from the hopper door (1).
2. The bucket lifting type concrete mixing station lifting hopper of claim 1, wherein: the power mechanism comprises a pulley (14) rotatably mounted at the upper end of the hopper frame (10), a steel wire rope (15) is wound on the pulley (14), one end of the steel wire rope is fixed on the frame, and the other end of the steel wire rope is connected to the driving motor.
3. The bucket lifting type concrete mixing station lifting hopper of claim 1, wherein: the direction changing mechanism comprises a circular arc-shaped guide rail (26) which is arranged on the rack and is positioned at the upper end of the lifting hopper guide rail (16) and a roller (18) which is arranged on the lifting hopper (8), when the lifting hopper (8) moves upwards and the roller (18) enters the arc-shaped guide rail (26), the lifting hopper (8) rotates clockwise, when the roller (18) moves to the feeding angle of the arc-shaped guide rail (26), a hopper outlet (19) of the lifting hopper (8) rotates downwards to be positioned right above an aggregate inlet (17) of the main stirring machine (9).
4. The bucket lifting type concrete mixing station lifting hopper of claim 1, wherein: hopper door couple rotates actuating mechanism and includes that it installs slide bar (3) on lifting hopper (8) along left right direction horizontal slip, be provided with a N kicking block (12) on slide bar (3), the head end of kicking block (12) is provided with direction inclined plane III (25), slide bar actuating mechanism is used for driving slide bar (3) along the horizontal direction horizontal slip, when slide bar (3) slide to direction inclined plane III (25) and corresponding hopper door couple (2) contact, it promotes hopper door couple (2) and rotates to the outside, when slide bar (3) slide to the outside terminal surface of kicking block (12) and hopper door couple (2) contact, hopper door couple (2) rotate to the outside and hook groove (21) and break away from mutually with hopper door (1).
5. The bucket lifting type concrete mixing station lifting hopper of claim 1, wherein: still including setting up clamp plate (6) on carrying hopper frame (10), the front end of clamp plate (6) below is provided with direction inclined plane II (23), the medial extremity of the gib head of sluice gate couple (2) is provided with direction inclined plane I (22), sluice gate (1) is gone up and is provided with depression bar (7) along its length direction, and when power unit drive lifting hopper (8) were through the reversing mechanism return motion, depression bar (7) and direction inclined plane II (23) slip friction drive sluice gate (1) rotated down to its head end and direction inclined plane I (22) frictional contact until the outside end card of sluice gate (1) arranges in hook groove (21).
6. The bucket lifting type concrete mixing station lifting hopper of claim 4, wherein: slide bar actuating mechanism includes cylinder (4) of horizontal installation on aggregate entry (17), cylinder push pedal (5) are installed to the piston rod head end of cylinder (4), the axis and slide bar (3) of cylinder (4) are coaxial mutually, and the one end of reset spring (11) is connected with slide bar (3), and its other end is connected with lifting hopper (8), and when the piston rod of cylinder (4) was all stretched out, cylinder push pedal (5) drive slide bar (3) slided kicking block (12) and contact with hopper door couple (2), and tensile reset spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815681.2A CN111873185A (en) | 2020-08-14 | 2020-08-14 | Bucket lifting type concrete mixing plant lifting hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815681.2A CN111873185A (en) | 2020-08-14 | 2020-08-14 | Bucket lifting type concrete mixing plant lifting hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111873185A true CN111873185A (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010815681.2A Pending CN111873185A (en) | 2020-08-14 | 2020-08-14 | Bucket lifting type concrete mixing plant lifting hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111873185A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788330A (en) * | 2021-09-14 | 2021-12-14 | 河南孟电集团水泥有限公司 | Cement clinker discharging device |
-
2020
- 2020-08-14 CN CN202010815681.2A patent/CN111873185A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788330A (en) * | 2021-09-14 | 2021-12-14 | 河南孟电集团水泥有限公司 | Cement clinker discharging device |
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