CN112429021A - Railway hopper car discharge apparatus and railway hopper car - Google Patents
Railway hopper car discharge apparatus and railway hopper car Download PDFInfo
- Publication number
- CN112429021A CN112429021A CN202011453035.2A CN202011453035A CN112429021A CN 112429021 A CN112429021 A CN 112429021A CN 202011453035 A CN202011453035 A CN 202011453035A CN 112429021 A CN112429021 A CN 112429021A
- Authority
- CN
- China
- Prior art keywords
- hopper car
- discharge
- baffle
- railway hopper
- baffle plates
- 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
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 238000005192 partition Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 239000003818 cinder Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/02—Hopper cars with discharge openings in the bottoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/16—Closure elements for discharge openings
- B61D7/24—Opening or closing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/32—Means for assisting charge or discharge
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a railway hopper car unloading device and a railway hopper car, relating to the technical field of unloading devices and comprising the following steps: the center cylinder is arranged below a discharge port of a railway hopper car, the two baffle plates are respectively arranged at two ends of the center cylinder, the plurality of baffle plates are arranged on the periphery of the center cylinder along the radial direction of the center cylinder, two ends of each baffle plate are respectively connected with the two baffle plates, so that the two adjacent baffle plates and the two baffle plates form a material collecting groove with an open top, a transmission structure is arranged at least one end of the center cylinder, the transmission mechanism is used for being matched with a driving mechanism, the discharging device transmits the power of the driving mechanism through the transmission mechanism, the center cylinder drives the material collecting groove to rotate, materials are poured out through the material collecting groove in a rotating mode around the center cylinder, the discharging device achieves the purpose of discharging materials to two sides or the inner side through changing the rotating direction of the center cylinder, and the discharging device is flexible and simple to control, the discharging amount.
Description
Technical Field
The invention belongs to the technical field of discharging devices, and particularly relates to a railway hopper car discharging device and a railway hopper car.
Background
At present, the unloading types of the domestic railway hopper cars mainly comprise: two main modes of unloading to two sides or one side of the track and unloading to the inner side of the track along the track direction are adopted, and the vehicle body structures of the two unloading modes are greatly different.
Unloading to the track both sides is applicable to the discharge area and sets up in the application environment of track both sides, and must both sides bottom door all must open once at least, just can accomplish the uninstallation task, otherwise there is the aggregate and can't unload totally in inside one side of automobile body. The single-side unloading type can finish unloading of the whole vehicle by opening any side bottom door, but the gravity center height of the whole vehicle is difficult to control, the design difficulty is high, and the single-side unloading type is not matched with the actual requirement and the comprehensive benefit of the unloading site in China. The hopper car with the horizontally opened door for unloading goods to the inner side of the track cannot integrate the function of unloading goods to the two sides of the track. In practice, the hopper cars cannot integrate two functions of unloading on two sides and unloading in the middle of the track simultaneously or realize flexible switching of the two modes, so that the universality of the vehicles is greatly reduced.
Disclosure of Invention
The invention aims to provide a railway hopper car unloading device and a railway hopper car, aiming at the defects in the prior art, the unloading device transmits the power of a driving mechanism through a transmission mechanism, so that a central cylinder drives a material collecting groove to rotate, the material collecting groove rotates around the central cylinder to dump materials, and the unloading device achieves the purpose of unloading to two sides or the inner side by changing the rotating direction of the central cylinder.
In order to achieve the above object, the present invention provides a railway hopper car discharge device, comprising:
the central cylinder is arranged below a discharge hole of the railway hopper car;
the two baffle plates are respectively arranged at two ends of the central cylinder;
the baffle plates are arranged on the periphery of the central cylinder along the radial direction of the central cylinder, and two ends of each baffle plate are respectively connected with the two baffle plates, so that the two adjacent baffle plates and the two baffle plates form a material collecting groove with an open top;
and the transmission structure is arranged at least one end of the central cylinder and is used for being matched with the driving mechanism.
Optionally, the baffle is disc-shaped.
Optionally, circular-arc outer baffles are symmetrically arranged on two sides of the discharge port, and the outer baffles are in sliding fit with the peripheries of the baffles.
Optionally, a cover plate is arranged at the top of the material collecting groove, and the cover plate is arranged on the material collecting groove at intervals, so that two adjacent material collecting grooves are opened one by one and closed the other.
Optionally, the cover plate is arc-shaped, and the cover plate is matched with the circumferential curve of the baffle.
Optionally, the transmission structure comprises a first gear.
Optionally, a drive mechanism is further included, the drive mechanism comprising:
a drive motor;
the input end of the speed reducer is connected with the output end of the driving motor;
and the second gear is arranged at the output end of the speed reducer and is meshed with the first gear.
Optionally, the drive motor is a stepper motor.
The invention also provides a railway hopper car, comprising:
the discharge port is arranged on the lower side of the railway hopper car body;
in the discharge device of the railway hopper car, the baffle is connected with the end wall of the discharge hole.
Optionally, the number of the discharge ports is two, the two discharge ports are respectively arranged on two sides of the railway hopper car body, and the number of the railway hopper car discharging devices is two.
The invention provides a railway hopper car unloading device and a railway hopper car, which have the beneficial effects that:
1. the discharging device transmits the power of a driving mechanism through a transmission mechanism, so that a central cylinder drives a material collecting groove to rotate, and the material is dumped through the rotation of the material collecting groove around the central cylinder, so that the discharging device achieves the purpose of discharging to two sides or the inner side by changing the rotation direction of the central cylinder;
2. the discharging device is flexible and simple to control, the discharging quantity and the discharging flow control are more visual and convenient to control, and the discharging device can be realized by adopting the existing mature parts, so that the investment of excessive cost can be effectively controlled, the manufacturing is simple, the replacement is convenient, and the comprehensive benefit is greatly improved and embodied;
3. this railway hopper car is through setting up two funnelmouths, unloads to both sides simultaneously through discharge apparatus, improves the efficiency of unloading, save time.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic sectional structure of a discharging device according to embodiment 1 of the present invention.
Fig. 2 shows a top view of a discharge device according to embodiment 1 of the invention.
Figure 3 shows a front view of a railway hopper car of embodiment 1 of the present invention.
Fig. 4 is a schematic sectional structural view showing a discharging apparatus according to embodiment 2 of the present invention.
Description of reference numerals:
1. a central barrel; 2. a baffle plate; 3. a partition plate; 4. a transmission structure; 5. an outer baffle; 6. and (7) a cover plate.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a railway hopper car unloading device, comprising:
the central cylinder is arranged below a discharge hole of the railway hopper car;
the two baffle plates are respectively arranged at two ends of the central cylinder;
the baffle plates are arranged on the periphery of the central cylinder along the radial direction of the central cylinder, and two ends of each baffle plate are respectively connected with the two baffle plates, so that the two adjacent baffle plates and the two baffle plates form a material collecting groove with an open top;
and the transmission structure is arranged at least one end of the central cylinder and is used for being matched with the driving mechanism.
Specifically, actuating mechanism drive mechanism drives a center section of thick bamboo rotatory, a center section of thick bamboo rotates and makes the baffle around a center section of thick bamboo rotary motion, it unloads to provide power rotating partition through actuating mechanism, the material is followed the rotary motion of a center section of thick bamboo in the collection silo directly over, change the angle through the baffle rotation and make the material automatic landing under gravity, adjacent collection silo replacement position simultaneously, intercommunication collection silo and discharge gate, accept the material and seal the discharge gate simultaneously, a center section of thick bamboo constantly rotates and makes the collection silo circulation unload, through adjustment actuating mechanism, change the direction of rotation adjustment direction of a center section of thick bamboo and unload the direction.
Furthermore, a certain included angle is formed between the adjacent partition plates, the selection of the included angle depends on the comprehensive factors such as the width size of a discharge port of the railway hopper car, the repose angle of materials, the unloading quantity demand and the like, the shape of the collecting groove with the open top formed by the baffle plates and the partition plates is V-shaped, the V-shaped structures can be mutually abutted and can also be mutually separated according to the unloading quantity demand, the included angle of the V-shaped structures and other actual factors, different use demands are met, and meanwhile, the transmission mechanism can be realized through a gear mechanism, a link mechanism or a gas-liquid pressure system.
Furthermore, if there is the interval of unloading when unloading, all move at least one V type contained angle when needing discharge apparatus to move at every turn, actuating mechanism promotes the control effect when possessing "step-by-step" function similar to "step motor" to the drive structure is equipped with integrated indicating device and comes real-time judgement bottom door and is located actual condition, convenient observation, promotes operating efficiency.
Optionally, the baffle is disc-shaped.
Optionally, the bilateral symmetry of discharge gate is provided with circular-arc outer baffle, outer baffle and the periphery sliding fit of baffle.
Specifically, outer baffle and baffle sliding fit, discharge apparatus seal discharge apparatus and discharge gate gap through outer baffle at the rotation in-process of unloading, make another material collecting tank replace and mend a material collecting tank position back the last material collecting tank just begin to unload, prevent that freight train operation in-process from taking place the possibility that the material leaks, splashes, avoid simultaneously collecting the tank and have the surplus material scattered all around.
In one example, the outer baffle is welded at the discharge port by assembly welding.
Optionally, a cover plate is arranged at the top of each collecting groove, and the cover plates are arranged on the collecting grooves at intervals, so that two adjacent collecting grooves are opened one by one and closed the other.
Specifically, the apron is fixed at the top of collecting the silo, seals the adjacent collecting tank of the collecting tank that is equipped with the material through the apron, and when collecting the silo round a center section of thick bamboo rotatory, adjacent collecting tank passes through the apron and seals the discharge gate, takes collecting the silo to unload the material back counter-rotation and resets, and collecting the silo and resetting and filling back repeated discharge, make things convenient for batch fixed point, quantitative discharge requirement, reduce the manipulation degree of difficulty.
In one example, the cover plate seals the trough in a manner of assembling and welding a circular arc cover plate.
Optionally, the cover plate is arc-shaped, and the cover plate is matched with the circumferential curve of the baffle plate.
Specifically, the gap between the discharge port and the discharging device is tightly filled by the arc-shaped cover plate, so that the material leakage is avoided.
Optionally, the transmission structure comprises a first gear.
Specifically, the first gear rotates to drive the central cylinder to rotate together, and the discharging device is driven to work.
In one example, the first gear is concentrically welded to the central barrel.
Optionally, a drive mechanism is further included, the drive mechanism comprising:
a drive motor;
the input end of the speed reducer is connected with the output end of the driving motor;
and the second gear is arranged at the output end of the speed reducer and is meshed with the first gear.
Specifically, driving motor provides power, and the speed reducer reduces slew velocity and improves power, and driving motor passes through the speed reducer and rotates the second gear, and the second gear rotates the rotatory first gear of drive and drives the rotation of a central section of thick bamboo.
Optionally, the drive motor is a stepper motor.
Specifically, step motor provides power, and step motor can just reverse simultaneously and stop in arbitrary angle, and through step motor control center section of thick bamboo rotatory, adapt to different angle discharge apparatus operation requirements, step motor is connected with feedback device simultaneously, instructs through feedback device and confirms discharge apparatus operating condition.
In one example, the feedback device is an angular displacement sensor, the angular displacement sensor is fixed on the baffle, the measuring end is meshed with the first gear through a third gear, the third gear is driven to rotate by the rotation of the first gear, the third gear rotates to measure the rotation angle and the position of the central cylinder, and meanwhile, the angular displacement sensor feeds information back to the stepping motor.
The invention also provides a railway hopper car, comprising:
the discharge port is arranged on the lower side of the railway hopper car body;
in the railway hopper car discharging device, the baffle plate is connected with the end wall of the discharging hole.
The hopper car has the advantages that the material is automatically slid by gravity at the discharge port of the hopper car, the material is prevented from being accumulated in the hopper car body, meanwhile, the end walls of the baffle and the discharge port are connected, the material is conveniently and directly slid into the discharging device, the baffle and the discharge port are provided with the reinforcing structure, the connection reliability is improved, and the situation that the local steel structure strength of the discharge port is insufficient due to the structural form of the car body is avoided.
In one example, the reinforcing structure is a reinforcing steel plate welded between the discharge device and the material discharge opening.
Optionally, the number of the discharge ports is two, the two discharge ports are respectively arranged on two sides of the railway hopper car body, and the number of the railway hopper car discharging devices is two.
Specifically, the lower extreme bilateral symmetry of hopper car body is equipped with the discharge gate, and the below of discharge gate all is equipped with discharge apparatus, and two discharge apparatus's power unit mutual independence makes the hopper car can unilateral unload, two sides unload and unload to the track in through operation power unit, adapts to different places user demand.
Example 1
As shown in fig. 1 to 3, a railway hopper car discharge device comprises:
the central cylinder 1 is arranged below a discharge port of the railway hopper car;
two baffles 2 respectively arranged at two ends of the central cylinder 1;
the plurality of partition plates 3 are arranged on the periphery of the central cylinder 1 along the radial direction of the central cylinder 1, and two ends of each partition plate 3 are respectively connected with the two baffle plates 2, so that the two adjacent partition plates 3 and the two baffle plates 2 form a material collecting groove with an open top;
and the transmission structure 4 is arranged at least one end of the central cylinder 1 and is used for being matched with the driving mechanism.
In the present embodiment, the baffle 2 has a disk shape.
In this embodiment, arc-shaped outer baffles 5 are symmetrically arranged on both sides of the discharge hole, and the outer baffles 5 are in sliding fit with the outer periphery of the baffle 2.
In the present embodiment, the transmission structure 4 comprises a first gear.
In this embodiment, the present invention further comprises a driving mechanism, the driving mechanism comprising:
a drive motor;
the input end of the speed reducer is connected with the output end of the driving motor;
and the second gear is arranged at the output end of the speed reducer and is meshed with the first gear.
In this embodiment, the drive motor is a stepper motor.
The invention also provides a railway hopper car, comprising:
the discharge port is arranged on the lower side of the railway hopper car body;
in the discharging device, the baffle 2 is connected with the end wall of the discharging hole.
In this embodiment, there are two discharge ports, the two discharge ports are respectively disposed on two sides of the railway hopper car body, and there are two railway hopper car discharging devices.
In conclusion, when the discharging device provided by the invention is used, taking the transportation and discharging of the cinder as an example, a railway hopper car carries the cinder to a designated place, the discharging device on one side or two sides is started as required after the cinder arrives at the designated place, the driving motor is controlled to rotate, the driving motor rotates the second gear through the speed reducer, the second gear rotates to drive the first gear to drive the central cylinder 1 to rotate, the central cylinder 1 rotates to enable the partition plate 3 to rotate around the central cylinder 1, the collecting trough filled with the material is inclined along with the rotating motion of the central cylinder 1, the material automatically slides down under the gravity after the angle is changed, the cinder is discharged to two sides or inner sides as required, the partition plate 3 and the outer baffle plate 5 slide during the rotating process to avoid the leakage of the cinder at a non-discharging position, meanwhile, the alternate positions of the adjacent collecting troughs are communicated with the collecting trough and the discharging hole, the discharging hole is closed while the material is received, the central cylinder 1, the first gear rotates to drive the third gear to rotate in the rotating motion process of the material collecting groove, the third gear rotationally measures the rotating angle and position of the central cylinder 1, the signal of the stepping motor is fed back through the angular displacement sensor after the third gear reaches the material discharging position, the stepping motor stays for a short time after receiving the signal and then rotates reversely to discharge materials or continues to rotate to discharge materials, and the materials are discharged and unloaded.
Example 2
As shown in fig. 4, the railroad hopper car discharging device in the present embodiment is different from the railroad hopper car discharging device in embodiment 1 in that:
in this embodiment, the top of the material collecting groove is provided with a cover plate 6, and the cover plate 6 is arranged on the material collecting groove at intervals, so that two adjacent material collecting grooves are opened one by one and closed the other.
In the present embodiment, the cover plate 6 has a circular arc shape, and the cover plate 6 is fitted to the circumferential curve of the baffle 2.
Specifically, apron 6 is fixed at the top in the groove that gathers materials, closes the adjacent groove that gathers materials that is equipped with the groove that gathers materials through apron 6, and when the groove that gathers materials was rotatory round center section of thick bamboo 1, adjacent groove that gathers materials passed through apron 6 and seals the discharge gate, can prevent equally that the railway hopper car operation in-process from taking place the material and leaking, splashing.
By adopting the discharging device, the hopper car can flexibly realize different discharging modes, such as: the single-side unloading, the double-side unloading, the unloading outside the track at one side and the unloading inside the track at the other side and the like, and simultaneously, the effects of opening and closing along with the opening and the unloading along with the unloading can be realized by combining the driving mechanism. And because this discharge apparatus is independent modular structure and is located the automobile body bottom, hardly produce the influence to the effective volume utilization of automobile body, and make the design degree of difficulty of whole car reduce to the focus control of automobile body conveniently. In addition, due to the fact that the opening and closing functions of the bottom door are achieved flexibly, a technical basis is provided for achieving the unloading quantity and the unloading flow control function. The device is simple to manufacture and convenient to replace, can be realized by adopting the existing mature parts, can effectively control the investment of cost and improves the comprehensive benefit.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A railroad hopper car discharge apparatus, comprising:
the central cylinder is arranged below a discharge hole of the railway hopper car;
the two baffle plates are respectively arranged at two ends of the central cylinder;
the baffle plates are arranged on the periphery of the central cylinder along the radial direction of the central cylinder, and two ends of each baffle plate are respectively connected with the two baffle plates, so that the two adjacent baffle plates and the two baffle plates form a material collecting groove with an open top;
and the transmission structure is arranged at least one end of the central cylinder and is used for being matched with the driving mechanism.
2. The railroad hopper car discharge device of claim 1, wherein said baffle is disc-shaped.
3. The railway hopper car discharging device as claimed in claim 2, wherein arc-shaped outer baffles are symmetrically arranged on two sides of the discharging port, and the outer baffles are in sliding fit with the peripheries of the baffles.
4. The railway hopper car discharging device as claimed in claim 2, wherein a cover plate is arranged on the top of the collecting troughs, and the cover plates are arranged on the collecting troughs at intervals, so that two adjacent collecting troughs are open one and closed the other.
5. The railroad hopper car discharge apparatus of claim 4, wherein said cover plate is arcuate and fits the circumferential curve of said baffle.
6. The railroad hopper car discharge device of claim 1, wherein said transmission structure comprises a first gear.
7. The railroad hopper car discharge apparatus of claim 6, further comprising a drive mechanism, said drive mechanism comprising:
a drive motor;
the input end of the speed reducer is connected with the output end of the driving motor;
and the second gear is arranged at the output end of the speed reducer and is meshed with the first gear.
8. The railroad hopper car discharge apparatus of claim 7, wherein said drive motor is a stepper motor.
9. A railroad hopper car, comprising:
the discharge port is arranged on the lower side of the railway hopper car body;
a railway hopper car discharge apparatus as claimed in any one of claims 1 to 8, wherein the baffle 2 is connected to an end wall of the discharge outlet.
10. The railroad hopper car according to claim 9, wherein there are two discharge ports, the two discharge ports are respectively disposed on two sides of the railroad hopper car body, and there are two discharge devices for the railroad hopper car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011453035.2A CN112429021A (en) | 2020-12-11 | 2020-12-11 | Railway hopper car discharge apparatus and railway hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011453035.2A CN112429021A (en) | 2020-12-11 | 2020-12-11 | Railway hopper car discharge apparatus and railway hopper car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429021A true CN112429021A (en) | 2021-03-02 |
Family
ID=74691663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011453035.2A Pending CN112429021A (en) | 2020-12-11 | 2020-12-11 | Railway hopper car discharge apparatus and railway hopper car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112429021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620080A (en) * | 2022-03-18 | 2022-06-14 | 中车太原机车车辆有限公司 | Railway hopper car unloading mechanism for unloading inside and outside rails and hopper car |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842220Y (en) * | 2005-08-26 | 2006-11-29 | 隋军 | Rotary sealing material-feeding valve |
| WO2011156993A1 (en) * | 2010-06-18 | 2011-12-22 | Peng Shi | Rotary dosing device |
| CN203568443U (en) * | 2013-12-09 | 2014-04-30 | 佛山新美陶瓷重庆（集团）有限公司 | Ceramic tile turnover device |
| KR101852841B1 (en) * | 2017-09-12 | 2018-06-07 | 서후원 | Soil layer forming apparatus for portable onion seed sowing |
| CN214607496U (en) * | 2020-12-11 | 2021-11-05 | 中车太原机车车辆有限公司 | Railway hopper car discharge apparatus and railway hopper car |
-
2020
- 2020-12-11 CN CN202011453035.2A patent/CN112429021A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842220Y (en) * | 2005-08-26 | 2006-11-29 | 隋军 | Rotary sealing material-feeding valve |
| WO2011156993A1 (en) * | 2010-06-18 | 2011-12-22 | Peng Shi | Rotary dosing device |
| CN203568443U (en) * | 2013-12-09 | 2014-04-30 | 佛山新美陶瓷重庆（集团）有限公司 | Ceramic tile turnover device |
| KR101852841B1 (en) * | 2017-09-12 | 2018-06-07 | 서후원 | Soil layer forming apparatus for portable onion seed sowing |
| CN214607496U (en) * | 2020-12-11 | 2021-11-05 | 中车太原机车车辆有限公司 | Railway hopper car discharge apparatus and railway hopper car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620080A (en) * | 2022-03-18 | 2022-06-14 | 中车太原机车车辆有限公司 | Railway hopper car unloading mechanism for unloading inside and outside rails and hopper car |
| CN114620080B (en) * | 2022-03-18 | 2023-09-08 | 中车太原机车车辆有限公司 | Railway hopper car unloading mechanism for unloading in and out of track and hopper car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3270921A (en) | Unloading system for bulk material bins | |
| CN214607496U (en) | Railway hopper car discharge apparatus and railway hopper car | |
| CN108275478B (en) | Environment-friendly proportioning bin | |
| CN112429021A (en) | Railway hopper car discharge apparatus and railway hopper car | |
| CN115779799B (en) | Automatic feeding device for polyaluminium chloride production | |
| CN213890672U (en) | Concrete unloading device for immersed ready-mixed commercial concrete production plant station | |
| CN101234512A (en) | Asphalt cement mortar stirring mainframe | |
| CN210826996U (en) | Highway construction is with batching mixer | |
| WO2023178893A1 (en) | Microbial remediation agent production line and microbial remediation agent production process | |
| CN110103343A (en) | A kind of water surely expects Automatic Production System | |
| CN205346233U (en) | Screw conveyer with multi -point discharging function | |
| CN210417735U (en) | Storehouse is stored to coal slime | |
| CN210820249U (en) | Automatic production system for water stabilizing material | |
| CN211729708U (en) | Building mortar arranges material jar | |
| CN216444618U (en) | Real-time monitoring's diversified unloader | |
| CN211566340U (en) | Discharge hopper and concrete spreader applying same | |
| US4500230A (en) | Pneumatic gate for railway hopper cars | |
| CN207533193U (en) | A kind of horizontal mixers with rotary discharge door | |
| CN206277512U (en) | A kind of new additives all-in-one | |
| CN211682806U (en) | Double-shaft horizontal stirring equipment for concrete | |
| CN205381591U (en) | Improvement feed bin emptying door structure | |
| CN220975308U (en) | Silo convenient for dry-mixed mortar discharging | |
| CN217466268U (en) | Sampler abandons material and turns over system of arranging | |
| CN209160984U (en) | A kind of charging gear | |
| CN216778758U (en) | Chemical tower equipment discharge apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |