CN108725460B - Ballast flattening device and ballast hopper car - Google Patents
Ballast flattening device and ballast hopper car Download PDFInfo
- Publication number
- CN108725460B CN108725460B CN201810822851.2A CN201810822851A CN108725460B CN 108725460 B CN108725460 B CN 108725460B CN 201810822851 A CN201810822851 A CN 201810822851A CN 108725460 B CN108725460 B CN 108725460B
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- plate
- lever
- ballastless
- ballasting
- ballast
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a ballast flattening device and a ballast hopper car. The ballasting device comprises a ballasting plate assembly, a connecting rod, a transmission shaft assembly, a bearing, a supporting lever and a pin shaft; the connecting rod comprises a first connecting section and a second connecting section, and the included angle between the first connecting section and the second connecting section is 120-160 degrees; the first connecting section is connected with the transmission shaft assembly, and the second connecting section is connected with the ballastless plate assembly; the ballast leveling plate comprises a ballast leveling plate, the ballast leveling plate comprises a protruding portion located in the center of the ballast leveling plate, two transition portions located in the middle of the ballast leveling plate and two extension portions located at the tail end of the ballast leveling plate, and the end portion of a second supporting lever of the supporting lever is connected with the transition portions. The device can reduce the ballasting resistance.
Description
Technical Field
The invention relates to a ballast leveling device and a ballast hopper car, in particular to a ballast leveling device of a railway ballast hopper car and a ballast hopper car.
Background
The stone ballast hopper car is used for paving stone ballasts for new railway line maintenance and old railway line maintenance and transporting particulate goods, and can discharge the stone ballasts to two sides of a track or the middle of the track. The existing ballast hopper car can be opened only when a special person is responsible for monitoring through a material unit, and the ballast is unloaded to the middle of two tracks. Meanwhile, the ballast unloading amount must be strictly controlled to prevent ballast accumulation and derailment accidents. When the line is maintained practically, the ballasting of the middle door is rarely removed. Under the condition, only the stone ballast in the middle of the two tracks can be manually cleaned and added, so that the labor intensity is high and the maintenance time is long. Therefore, a ballast leveling device is additionally arranged at the bottom of the ballast hopper car, so that ballast is not accumulated when being unloaded to the middle of the track, the ballast unloading and line maintenance efficiency is improved, and the labor intensity is reduced.
CN104060507a discloses a ballast leveling device of a ballast hopper car, the ballast leveling device is arranged on a car body of the ballast hopper car, the ballast leveling device comprises a ballast leveling plate assembly and a ballast leveling plate lifting driving mechanism, the ballast leveling plate assembly moves up and down relative to a railway track through the ballast leveling plate lifting driving mechanism, and the lower end face of the ballast leveling plate assembly can be higher than the upper end face of the railway track or lower than the upper end face of the railway track or is flush with the upper end face of the railway track; two track abdicating grooves are formed in the lower end of the ballast plate assembly and the position corresponding to the railway track, and when the lower end face of the ballast plate assembly is lower than the upper end face of the railway track, the railway track is located in the track abdicating grooves of the ballast plate assembly. The ballast leveling plate lifting driving mechanism of the ballast leveling device comprises a connecting rod, a connecting pull rod, a transmission shaft and an acting cylinder, one end of the connecting rod is hinged to a vehicle body of a ballast hopper vehicle, the other end of the connecting rod is hinged to a ballast leveling plate, the ballast leveling plate is hinged to one end of the connecting pull rod, the other end of the connecting pull rod is connected with the transmission shaft, and the transmission shaft is connected with a piston rod of the acting cylinder. Such a lifting drive mechanism is disadvantageous for operation. The ballastless plate assembly of the ballastless device comprises a fixed plate and movable plates hinged to two ends of the fixed plate, wherein the two movable plates are parallel to the fixed plate and are in an unfolding state of the ballastless plate assembly when in the same plane, the two movable plates are perpendicular to the fixed plate and are in a folding state of the ballastless plate assembly when in the unfolding state or the folding state, and the ballastless plate assemblies are respectively positioned through locking mechanisms. The resistance of the ballasted plate is large.
In view of the above, there is still a need to develop new ballasting devices and ballasting hopper cars.
Disclosure of Invention
An object of the present invention is to provide a ballasting device of a ballasting hopper car, which has low ballasting resistance and is easy to operate. The invention further aims to provide a ballast hopper car which can adopt a middle door to discharge ballasts and simultaneously perform ballasting. The invention adopts the following technical scheme to realize the aim.
The invention provides a ballasting device of a ballasting hopper car, which comprises a ballasting plate assembly, a connecting rod, a transmission shaft assembly, a bearing, a supporting lever and a pin shaft, wherein the connecting rod is arranged on the ballasting plate assembly; the transmission shaft component is fixed on the bearing; the ballastless plate component is connected with the transmission shaft component through the connecting rod; the support lever is arranged to be rotatable around the pin shaft and comprises a first support lever end part and a second support lever end part, and the first support lever end part is connected with the ballast flattening plate through the pin shaft;
the connecting rod comprises a first connecting section and a second connecting section, and the included angle between the first connecting section and the second connecting section is 120-160 degrees; the first connecting section is connected with the transmission shaft assembly, and the second connecting section is connected with the ballastless plate assembly;
the ballast leveling plate comprises a ballast leveling plate, the ballast leveling plate comprises a protruding portion located in the center of the ballast leveling plate, two transition portions located in the middle of the ballast leveling plate and two extension portions located at the tail end of the ballast leveling plate, and the end portion of a second support lever of the support lever is connected with the transition portions.
Ballasts are important materials for railway paving and maintenance, and are often transported and thrown to two sides or the middle of a railway track by adopting a ballasts hopper car. The existing ballasting device has larger resistance and is not easy to operate. The ballasting device adopts the connecting rod with a specific structure and the ballasting plate, so that the ballasting resistance is small and the operation is easy.
According to the ballasting device, preferably, in the ballasting plate, an included angle between two transition parts is 130-160 degrees; and the two side edges of the ballastless plate in the horizontal direction are respectively tilted towards the direction of the pin shaft. The angle between the two transitions is preferably 138-155 °, for example 152 °. The two side edges of the flat ballast plate in the horizontal direction are respectively tilted towards the direction of the pin shaft, so that a structure with a cross section of a shape of'. The two side edge portions may be a bottom edge portion and an upper edge portion. Therefore, the ballasting plate can bear larger acting force, has good guiding effect, and can uniformly flatten the ballasts piled in the center of the track to two sides during ballasting.
According to the ballasting device, preferably, the ballasting plate assembly further comprises a rib plate, a bottom plate, a supporting beam and a connecting piece; the bottom plate is arranged on the back surface of the ballastless plate, and the bottom plate is connected with the ballastless plate through the rib plate; the ballasting plates, the rib plates and the bottom plate form a box-shaped structure; the support beam comprises a first support beam end and a second support beam end, the first support beam end is connected with the first support lever end of the support lever through the pin shaft, and the second support beam end is fixed on the bottom plate; the connecting piece is arranged on the front surface of the ballastless plate and is positioned on the transition part, and the end part of the second supporting lever of the supporting lever is connected with the transition part through the connecting piece; the second connecting section is rotatably connected with the support beam. The back and front sides are merely for convenience of description and are shown on opposite sides of an object.
In the invention, the bottom plate and the flat ballast plate are connected through the rib plates, for example, the bottom plate and the flat ballast plate are combined together through welding, and the flat ballast plate can also be obtained through integral molding. The ballasting plates, the rib plates and the bottom plate form a box-shaped structure. This allows for a greater force to be sustained.
In the present invention, both the first support beam end and the second support beam end may be provided with pin holes. The first support lever end is also provided with a pin hole. The pin shaft passes through the pin hole at the end of the first support lever and the pin hole at the end of the first support beam, thereby rotatably connecting the support beam and the support lever. The end of the second support beam is fixed on the bottom plate. The fixing means may be welding or the like. One end of the connecting piece is fixed on the transition part of the front face of the ballastless plate, and the other end of the connecting piece is provided with a pin hole which is matched with the pin hole at the end part of the second supporting lever, so that the supporting lever and the transition part are connected together through the connecting piece.
In the present invention, the connecting rod has a "shape" with pin holes at both ends. The included angle between the first connecting section and the second connecting section is 120-160 degrees; preferably 135 to 140 deg.. The ends of the first connecting section and the second connecting section are respectively provided with a pin hole. The pin hole of the first connecting section is connected with the transmission shaft assembly, and the pin hole of the second connecting section is connected with the ballastless plate assembly.
According to the ballasting device of the invention, preferably, the supporting lever is arranged below the supporting beam; and the connection part between the second connection section and the support beam is close to the ballastless plate. The second connecting section is rotatably connected with the support beam. The end part of the second connecting section is provided with a pin hole; the support beam is provided with a pin hole correspondingly at a position close to the ballasting plate, and the second connecting section and the support beam can be connected through the pin hole.
In the invention, the supporting lever can rotate around the pin shaft. The end part of the first supporting lever is rotatably connected with the upper part of the ballastless plate through a pin shaft, and the end part of the second supporting lever is connected with the middle part or the middle lower part of the ballastless plate.
According to the ballasting device of the invention, preferably, one end of the connecting piece is fixed on the transition part of the ballasting plate; the other end is provided with a pin hole which is used for being connected with the end part of the second supporting lever of the supporting lever. Examples of connectors include, but are not limited to, ferrous links. One end of the connecting piece can be welded on the transition part of the front surface of the ballastless plate; such as the middle or lower middle portion of the transition.
The support lever comprises a first support lever end, a support lever body and a second support lever end which are connected in sequence. According to the ballasting device of the invention, preferably, the end part of the first supporting lever of the supporting lever is of a flat structure with a through hole; the end part of the second supporting lever is of a U-shaped structure. The end part of the first support lever is rotatably connected with the end part of the first support beam through a pin shaft; the end part of the second supporting lever is connected with the transition part through a connecting piece.
According to the ballasting device of the invention, preferably, the transmission shaft assembly comprises a transmission shaft, a driving lever and a transmission lever; the transmission shaft is fixed on the bearing, and the driving lever and the transmission lever are sleeved on the transmission shaft; the driving lever is arranged to drive the transmission shaft assembly to rotate; the transmission lever is rotatably connected with the first connecting section.
According to one embodiment of the invention, the drive shaft assembly comprises a drive shaft, a drive lever and two drive levers; two ends of the transmission shaft are fixed on the bearing, and a driving lever and two transmission levers are sleeved in the middle of the transmission shaft; the two transmission levers are positioned at two sides of the driving lever; the driving lever can drive the transmission shaft to form rotation; the transmission lever is rotatably connected with the first connecting section.
According to the ballasting device of the invention, preferably, the driving lever has a first arc-shaped structure, the transmission lever has a second arc-shaped structure, and the direction E of the first arc-shaped structure towards the corresponding circle center is opposite to the direction F of the second arc-shaped structure towards the corresponding circle center. For example, the first arc structure is oriented to the left, and the second arc structure is oriented to the right; and vice versa.
According to the ballasting device of the invention, preferably, the transmission shaft is composed to be capable of rotating 97-105 degrees, preferably 100-103 degrees; and can drive the ballasting plate component to rotate around the pin shaft by 12-14 degrees, such as 12-13 degrees. Thus, the bottom edge of the ballasting plate can be close to the track surface.
The invention also provides a ballast hopper car, which comprises a car body and the ballast flattening device, wherein the car body is provided with a control cylinder and a bottom frame; the driving lever is connected with the control cylinder; the bearing is fixed on the underframe; the pin shaft is fixed on the vehicle body. Thus, the ballast leveling device can be conveniently mounted on the vehicle body.
The control cylinder transmits power to the driving lever, the power is transmitted step by step, and the driving transmission shaft assembly, the connecting rod, the ballasting plate assembly, the supporting lever and other parts move, so that the rotation of the ballasting device is finally realized, and the ballasting device is positioned at a ballasting operation position. And during ballast flattening operation, the ballast flattening device runs along with the ballast hopper car. The ballast is discharged to the middle of the track by the middle door of the hopper car, and the ballast flattening device immediately and uniformly flattens the ballast piled in the middle of the track to two sides, so that the aim of discharging the ballast by the middle door of the hopper car and flattening the ballast is fulfilled in the running process.
The ballasting device adopts the connecting rod with a specific structure and the ballasting plate, so that the ballasting resistance is small and the operation is easy. The ballast flattening device can be arranged at the bottom of a ballast hopper car. The ballasting plate with a specific structure can bear larger acting force and has good guiding effect. When the ballast hopper car is used for unloading the ballast at the middle door, the ballast flattening device can immediately flatten the piled ballasts, so that the ballast unloading and line maintenance efficiency is improved, and the manual labor intensity is reduced.
Drawings
Fig. 1 is a schematic structural view of a ballasting apparatus of the present invention.
FIG. 2 is a schematic structural view of a ballastless plate assembly of the present invention.
Fig. 3 is a schematic structural view of a connecting rod according to the present invention.
Fig. 4 is a front view of a support lever of the present invention.
Fig. 5 is a top view of a support lever of the present invention.
The reference numerals are explained as follows:
1-flat ballast plate composition, 11-flat ballast plates, 12-rib plates, 13-bottom plates, 14-supporting beams, 15-connecting pieces, 111-transition parts, 112-extension parts and 113-protruding parts; 2-connecting rods, 21-first connecting sections and 22-second connecting sections; 3-transmission shaft composition, 31-transmission shaft, 32-driving lever and 33-driving lever; 4-bearing; 5-support lever, 51-first support lever end, 52-support lever body, 53-second support lever end; and 6, a pin shaft.
Detailed Description
The present invention will be further described with reference to specific examples, but the scope of the present invention is not limited thereto.
Example 1
Fig. 1 is a schematic structural view of a ballasting apparatus of the present invention. The device is a ballasting device of a ballasting hopper car, and comprises a ballasting plate assembly 1, two connecting rods 2, a transmission shaft assembly 3, two bearings 4 which are oppositely arranged, two supporting levers 5 and a pin shaft 6. The drive shaft assembly 3 is fixed to the bearing 4 by means of a drive pump 31. The flat ballast plate assembly 1 is connected with the transmission shaft assembly 3 through two connecting rods 2; and the flat ballast plate assembly 1 is positioned below the transmission shaft assembly 3.
FIG. 2 is a schematic structural view of a ballastless plate assembly of the present invention. As shown in fig. 2, the ballastless plate assembly 1 includes a ballastless plate 11, a rib plate 12, a bottom plate 13, a support beam 14, and a connecting member 15. The ballasted plate 11 includes a boss 113 at the center thereof, two transition portions 111 at the center thereof, and two extension portions 112 at the ends thereof. The angle between the two transitions 111 is 152 °. The two side edges of the flat ballast plate 11 in the horizontal direction are respectively tilted towards the direction of the pin shaft 6, so that a structure with a cross section of a shape of'. The bottom plate 13 is arranged on the back of the ballastless plate 11, and the bottom plate and the ballastless plate are connected through the rib plates 12. The flat ballast plate 11, the rib plates 12 and the bottom plate 13 are assembled and welded into a box-shaped structure. The support beam 14 includes a first support beam end rotatably connected to the first support lever end of the support lever 5 through the pin 6, and a second support beam end welded to the bottom plate 13.
Fig. 3 is a schematic structural view of a connecting rod according to the present invention. As shown in fig. 3, the connecting rod 2 has a "shape" with pin holes at both ends. The connecting rod 2 comprises a first connecting section 21 and a second connecting section 22, the included angle between the two being 135 deg.. The ends of the first and second connection sections 21 and 22 are each provided with a pin hole. As shown in fig. 1, the first connecting section 21 is connected with the transmission shaft assembly 3, and the second connecting section 22 is connected with the ballastless plate assembly 1.
Fig. 4 and 5 are front, top views of a support lever of the present invention. As shown in fig. 4 to 5, the support lever 5 includes a first support lever end 51, a support lever body 52, and a second support lever end 53, which are connected in order. As shown in fig. 1, the support lever 5 rotates about a pin 6. The first supporting lever end 51 is rotatably connected with the upper part of the ballastless plate assembly 1 through a pin shaft 6, and the second supporting lever end 53 is connected with the lower part of the ballastless plate assembly 1.
As shown in fig. 1, the support lever 5 is disposed below the support beam 14. The end of the second connecting section 22 of the connecting rod 2 has a pin hole, and the support beam 14 is correspondingly provided with a pin hole at a position close to the ballasted plate 11, and the two are rotatably connected. One end of the connecting piece 15 is welded on the transition part 15 on the front surface of the ballastless plate 11; the other end is provided with a pin hole and is connected with the end part of a second supporting lever of the supporting lever 5; the first support lever end of the support lever 5 is of a flat structure with a through hole, and is rotatably connected with the first support beam end of the support beam 14 through a pin shaft 6; the second support lever end is of U-shaped configuration and is connected to the transition 111 by a connection 15 (see fig. 5).
As shown in fig. 1, the drive shaft assembly 3 includes a drive shaft 31, a drive lever 32, and two drive levers 33. The two ends of the transmission shaft 31 are fixed on the bearing 4, and the middle part is sleeved with a driving lever 32 and two transmission levers 33. Two transmission levers 33 are located on both sides of the driving lever 32. The driving lever 32 can drive the transmission shaft assembly 3 to rotate. The transmission lever 33 is rotatably connected to the first connecting section 21. The driving lever 32 has a first arc-shaped structure and the driving lever 33 has a second arc-shaped structure. The direction E of the first arc-shaped structure towards the corresponding circle center is opposite to the direction F of the second arc-shaped structure towards the corresponding circle center.
Example 2
The conditions were the same as in example 1 except that the drive shaft assembly 3 was set to be rotatable 97-105 ° and the ballastless plate assembly 1 was driven to rotate 12-14 ° about the pin 6.
Example 3
The ballast hopper car of the embodiment comprises a car body and the ballast flattening device of the embodiment 1, wherein a control cylinder and a bottom frame are arranged on the car body. The driving lever 32 is connected with the control cylinder; the bearing 4 is fixed on the underframe; the pin shaft 6 is fixed on the vehicle body.
The present invention is not limited to the above-described embodiments, and any modifications, improvements, substitutions, and the like, which may occur to those skilled in the art, fall within the scope of the present invention without departing from the spirit of the invention.
Claims (9)
1. The ballasting device of the ballasting hopper car is characterized by comprising a ballasting plate assembly, a connecting rod, a transmission shaft assembly, a bearing, a supporting lever and a pin shaft; the transmission shaft component is fixed on the bearing; the ballastless plate component is connected with the transmission shaft component through the connecting rod; the support lever is arranged to be rotatable around the pin shaft and comprises a first support lever end part and a second support lever end part, and the first support lever end part is connected with the ballast flattening plate through the pin shaft;
the connecting rod comprises a first connecting section and a second connecting section, and the included angle between the first connecting section and the second connecting section is 120-160 degrees; the first connecting section is connected with the transmission shaft assembly, and the second connecting section is connected with the ballastless plate assembly;
the ballastless plate comprises a ballastless plate, wherein the ballastless plate comprises a bulge part positioned in the center of the ballastless plate, two transition parts positioned in the middle of the ballastless plate and two extension parts positioned at the tail end of the ballastless plate, and the end part of a second supporting lever of the supporting lever is connected with the transition parts;
in the ballastless plate, the included angle between two transition parts is 130-160 degrees; the two side edges of the ballastless plate in the horizontal direction are respectively tilted towards the direction of the pin shaft;
the ballastless plate comprises a plate body, a bottom plate, a supporting beam and a connecting piece; the bottom plate is arranged on the back surface of the ballastless plate, and the bottom plate is connected with the ballastless plate through the rib plate; the ballasting plates, the rib plates and the bottom plate form a box-shaped structure; the support beam comprises a first support beam end and a second support beam end, the first support beam end is connected with the first support lever end of the support lever through the pin shaft, and the second support beam end is fixed on the bottom plate; the connecting piece is arranged on the front surface of the ballastless plate and is positioned on the transition part, and the end part of the second supporting lever of the supporting lever is connected with the transition part through the connecting piece; the second connecting section is rotatably connected with the support beam.
2. The ballasting device of claim 1, wherein the support lever is disposed below the support beam; and the connection part between the second connection section and the support beam is close to the ballastless plate.
3. A ballasting device as claimed in claim 2, wherein one end of the connecting member is fixed to a transition portion of the ballasting plate; the other end of the connecting piece is provided with a pin hole and is used for being connected with the end part of the second supporting lever of the supporting lever.
4. A ballasting device as claimed in claim 3, wherein the first support lever end of the support lever is a flat structure having a through hole; the end part of the second supporting lever is of a U-shaped structure.
5. The ballasting device of claim 1, wherein the drive shaft assembly comprises a drive shaft, a drive lever, and a drive lever; the transmission shaft is fixed on the bearing, and the driving lever and the transmission lever are sleeved on the transmission shaft; the driving lever is arranged to drive the transmission shaft assembly to rotate; the transmission lever is rotatably connected with the first connecting section.
6. The ballasting device of claim 5, wherein the drive lever has a first arcuate structure and the drive lever has a second arcuate structure, and a direction E of the first arcuate structure toward the respective center is opposite a direction F of the second arcuate structure toward the respective center.
7. A ballasting device as claimed in claim 6, wherein the drive shaft assembly is configured to rotate 97-105 ° and to drive the ballasting plate assembly to rotate 12-14 ° about the pin.
8. A ballast hopper car comprising a car body and a ballasting device as claimed in any one of claims 1 to 7.
9. A stone ballast hopper car according to claim 8, wherein the ballasting device is a ballasting device according to any one of claims 5 to 7, the car body having a control cylinder and a chassis thereon; the driving lever is connected with the control cylinder; the bearing is fixed on the underframe; the pin shaft is fixed on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810822851.2A CN108725460B (en) | 2018-07-25 | 2018-07-25 | Ballast flattening device and ballast hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810822851.2A CN108725460B (en) | 2018-07-25 | 2018-07-25 | Ballast flattening device and ballast hopper car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108725460A CN108725460A (en) | 2018-11-02 |
| CN108725460B true CN108725460B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810822851.2A Active CN108725460B (en) | 2018-07-25 | 2018-07-25 | Ballast flattening device and ballast hopper car |
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| CN (1) | CN108725460B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT329107B (en) * | 1974-07-05 | 1976-04-26 | Plasser Bahnbaumasch Franz | GRUB BED CLEANING MACHINE WITH LEVELING DEVICE |
| AT345881B (en) * | 1975-08-18 | 1978-10-10 | Plasser Bahnbaumasch Franz | MOBILE MACHINE FOR CONTINUOUS LEVELING AND COMPACTION OF THE GRAVEL BED OF A TRACK |
| CN201850477U (en) * | 2010-11-19 | 2011-06-01 | 株洲新通铁路装备有限公司 | Ballast leveling mechanism for ballast leveling operation vehicle |
| CN104074109B (en) * | 2013-03-29 | 2016-09-14 | 常州市瑞泰工程机械有限公司 | The Ping Cha mechanism of railway roadbed leveling |
| CN104085405B (en) * | 2014-07-02 | 2016-06-22 | 中车眉山车辆有限公司 | One unloads flat one fossil tiny fragments of stone, coal, etc. hopper wagon |
| CN104060507A (en) * | 2014-07-02 | 2014-09-24 | 南车眉山车辆有限公司 | Stone fragment leveling device for stone fragment hopper wagon |
| CN105383504B (en) * | 2015-12-11 | 2017-09-12 | 中车山东机车车辆有限公司 | A kind of flat tiny fragments of stone, coal, etc. system of stone tiny fragments of stone, coal, etc. hopper wagon |
| CN106758584B (en) * | 2016-12-29 | 2018-07-03 | 中车长江车辆有限公司 | A kind of flat tiny fragments of stone, coal, etc. device and the flat tiny fragments of stone, coal, etc. vehicle with flat tiny fragments of stone, coal, etc. device |
| CN208530562U (en) * | 2018-07-25 | 2019-02-22 | 包头北方创业有限责任公司 | Flat tiny fragments of stone, coal, etc. device and stone tiny fragments of stone, coal, etc. hopper wagon |
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2018
- 2018-07-25 CN CN201810822851.2A patent/CN108725460B/en active Active
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| CN108725460A (en) | 2018-11-02 |
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