CN113957756A - Broken stone leveling equipment for railway construction - Google Patents
Broken stone leveling equipment for railway construction Download PDFInfo
- Publication number
- CN113957756A CN113957756A CN202111494329.4A CN202111494329A CN113957756A CN 113957756 A CN113957756 A CN 113957756A CN 202111494329 A CN202111494329 A CN 202111494329A CN 113957756 A CN113957756 A CN 113957756A
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- fixed
- motor
- rotating shaft
- shaft
- gear
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000004575 stone Substances 0.000 title abstract description 25
- 239000003351 stiffener Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/02—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
- E01B27/028—Compacting ballasting material; Performing ballast cores or seats for sleepers
Abstract
The invention belongs to the field of railway construction, and relates to a broken stone leveling device for railway construction. The device can automatically level the broken stones on the railway roadbed, and can automatically adjust the cam according to the height of the broken stones, so that the device can be suitable for roadbed broken stones with various heights, the application range of the device is improved, the broken stone leveling can replace manual work, the working efficiency is improved, and the economic cost is reduced.
Description
Technical Field
The invention belongs to the field of railway construction, and particularly relates to a broken stone leveling device for railway construction.
Background
As is known, railroad refers to a transportation line for the movement of trains. The railway consists of a roadbed, a track bed, sleepers and steel rails, and comprises bridges, tunnels and various auxiliary facilities along the railway, wherein the steel rails are used on the railway and cooperate with a switch so that the train can walk without steering. The track is usually composed of two parallel rails. The rails are fixed on sleepers, and ballast is arranged below the sleepers. Rails made of steel can bear a greater weight than other materials. Sleepers, also known as crossties or sleepers, function to spread the weight of the rails separately and to keep the rails fixed and to maintain the gauge of the rails. Generally, the bottom of the track is gravel. The ballast, also known as ballast, ballast stone or ballast bed, provides elasticity and drainage function for the track. There are certain problems that are inherent in the leveling of the crushed stones,
1. leveling the broken stones still in a manual mode when leveling the broken stones;
2. the working efficiency is low when the manual leveling is carried out, and the leveling of each broken stone cannot be ensured;
3. danger is easy to occur during manual operation, and meanwhile, the economic cost is relatively high.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the broken stone leveling equipment for railway construction.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a rubble leveling equipment for railway construction, includes the support, both sides around every the inboard fixed crossbeam that is equipped with of support, the inboard fixed first motor cabinet that is equipped with, every left and right sides fixed stiffener, every being equipped with between the support below is equipped with mobile device, and mobile device is used for the removal of this equipment, and mobile device includes every the support below outside is rotated and is equipped with the shaft, every the fixed wheel that is equipped with in the shaft outside, every the inboard fixed first fixed plate that is equipped with of support.
Preferably, a second fixing plate is fixedly arranged on the upper side of each first fixing plate, a second motor seat is fixedly arranged on the left side of each left second fixing plate, a first motor is fixedly arranged on the front side and the rear side of each second motor seat, a first motor shaft is arranged at the output end of the front side and the rear side of each first motor, and each first motor shaft is fixedly connected with each left wheel shaft.
Preferably, a second motor is fixedly arranged on the upper side of the first motor base, a second motor shaft is arranged at the output end of the lower side of the second motor, a first bevel gear is fixedly arranged on the lower side of the second motor shaft, a third fixing plate is fixedly arranged on the right side of the first motor base, a gear shaft is arranged at the lower end of the third fixing plate in a rotating mode, a second bevel gear is fixedly arranged on the left side of the gear shaft, a first belt pulley is fixedly arranged on the right side of the gear shaft, a first belt is arranged at the left end of the first belt pulley in a sliding mode, and a second belt is arranged at the right end of the first belt pulley in a sliding mode.
Preferably, the inner side of the second fixing plate at each of the front and rear ends is rotatably provided with a rotating shaft, the outer sides of the left and right ends of each rotating shaft are respectively fixedly provided with a first bearing, the outer side of each first bearing is fixedly provided with a large cam, the outer side of each rotating shaft is respectively fixedly provided with a second bearing, each second bearing is arranged at the inner side of each first bearing, the outer side of each second bearing is fixedly provided with a small cam, each rotating shaft is internally provided with a rotating shaft inner cavity, each rotating shaft inner cavity is arranged between each first bearing and each second bearing, the upper sides of the left and right ends of each rotating shaft inner cavity at the left and right sides are respectively provided with a first fixing hole, each first fixing hole extends out of the cavity wall of the rotating shaft to each first bearing, the upper sides of the right and left ends of each rotating shaft inner cavity at the left and right sides are respectively provided with a second fixing hole, each second fixing hole extends out of the cavity wall of the rotating shaft to each second bearing, a rotating rod is rotatably arranged in each rotating shaft inner cavity, a rotating rod shaft is fixedly arranged on the front side and the rear side of the middle of each rotating rod respectively, and each rotating rod shaft is rotatably connected with the wall of each rotating shaft inner cavity.
Preferably, every left and right sides dwang left and right ends upside rotates respectively and is equipped with first fixed pin, every first fixed pin and every first fixed orifices sliding connection, every left and right sides dwang right side left end upside rotates respectively and is equipped with the second fixed pin, every the second fixed pin and every second fixed orifices sliding connection, front side the fixed second belt pulley that is equipped with of pivot right-hand member, the second belt pulley with first belt sliding connection, the rear side the fixed third belt pulley that is equipped with of pivot right-hand member, the third belt pulley with second belt sliding connection.
Preferably, every the first fixed plate left and right sides is fixed respectively and is equipped with the support column, every be equipped with the spout in the support column, every the fixed spring that is equipped with of spout downside, every the fixed slider that is equipped with of spring upside, it is equipped with the vibration board to slide in the support, vibration board and every fixed connection, every the inboard left end of support column is equipped with the axis of rotation, every front and back side the support internal rotation is equipped with baffle, every baffle and every axis of rotation fixed connection, every right side the fixed first gear that is equipped with in the axis of rotation outside, every right side the fixed third motor that is equipped with of support column upside, every third motor left side output is equipped with the third motor shaft, every the fixed second gear that is equipped with in third motor shaft left side, every second gear and every first gear engagement.
The apparatus is placed over the gravel, the first motor is activated, causing the first motor to rotate the first motor shaft, thereby driving the wheel shaft to rotate and thereby driving the wheel to rotate, thereby causing the apparatus to begin to move along the gravel, at which point the second motor is activated, so that the second motor drives the second motor shaft to rotate, thereby driving the first bevel gear to rotate and driving the second bevel gear to rotate, thereby driving the gear shaft to rotate, thereby driving the first belt pulley to rotate, and further driving the first belt and the second belt to rotate, thereby driving the second belt pulley and the third belt pulley to rotate, driving the rotating shaft to rotate, driving the big cam to rotate, thereby make the vibration board can vibrate from top to bottom, can drive the vibration board vibration through the cam like this to make unevenness's rubble by the removal of vibration, thereby can become level and smooth with the rubble.
At the moment, the first fixing pin is positioned in the first fixing hole, the second fixing pin is positioned right below the second fixing hole, when the vibration stroke of the vibrating plate above the broken stone is in the rotatable range of the large cam, the large cam rotates at the moment, so that the vibrating plate vibrates, when the distance between the broken stone and the vibrating plate is not enough to enable the large cam to rotate, so that when the protruding convex part of the large cam rotates onto the vibrating plate, the first fixing pin is extruded out of the first fixing hole at the moment, so that the first fixing pin slides downwards, the large cam stops rotating, at the moment, the rotating rod rotates anticlockwise, so that the second fixing pin slides upwards, so that the second fixing pin enters the second fixing hole, so that the small cam rotates, when the distance between the vibrating plate and the broken stone becomes larger, at the moment, the spring in the second fixing pin pops out of the second fixing hole from the second fixing hole, thereby make first fixed pin get into the big cam rotation of drive in the first fixed orifices, through setting up stop device like this, can make equipment can change the cam automatically to make equipment can adapt to the rubble of different laying height, increased the application scope of equipment.
When equipment is at continuous flattening rubble, the third motor will start this moment to make the third motor drive the third motor shaft rotatory, thereby it is rotatory to drive the second gear, thereby it is rotatory to drive first gear, thereby it is rotatory to drive the axis of rotation, thereby it rotates to drive the baffle, thereby make the baffle block the rubble that slides to both sides, and fix the rubble in the both sides of railway roadbed, guaranteed that there is not the rubble to run out at the in-process of flattening rubble, thereby the stability of roadbed has been guaranteed, the safety of train driving has been ensured.
Compared with the prior art, this rubble leveling equipment for railway construction has following advantage:
1. drive the vibration of vibration board through the cam to make unevenness's rubble by the removal of vibration, thereby can become level and smooth with the rubble.
2. Through setting up stop device, can make equipment can change the cam automatically to make equipment can adapt to the rubble of different laying height, increased the application scope of equipment.
3. The broken stones are prevented from escaping in the process of leveling the broken stones, so that the stability of the roadbed is ensured, and the running safety of the train is ensured.
Drawings
Fig. 1 is a schematic structural view of a stone leveling apparatus for railway construction.
Fig. 2 is a right side structural view of the rock breaking and leveling apparatus for railway construction.
Fig. 3 is a front view of the screeding apparatus for railway construction.
Fig. 4 is a sectional view taken along a-a in fig. 3.
Fig. 5 is a sectional view taken along line B-B in fig. 3.
Fig. 6 is a sectional view taken along line C-C in fig. 3.
Fig. 7 is a sectional view taken along line D-D in fig. 3.
In the figure, 10, the stent; 11. a cross beam; 12. a reinforcing bar; 13. a first motor mount; 14. a second motor; 15. a wheel; 16. a wheel axle; 17. a first motor shaft; 18. a first motor; 19. a second motor mount; 20. a first fixing plate; 21. a second fixing plate; 22. a rotating shaft; 23. a second motor shaft; 24. a first bevel gear; 25. a second bevel gear; 26. a third fixing plate; 27. a gear shaft; 28. a support pillar; 29. a third motor; 30. a third motor shaft; 31. a second gear; 32. a rotating shaft; 33. a first gear; 34. a baffle plate; 35. a chute; 36. a large cam; 37. a first bearing; 38. a small cam; 39. a second bearing; 40. a first pulley; 41. a third belt pulley; 42. a second belt; 43. a first belt; 44. a second pulley; 45. a spring; 46. a slider; 47. rotating the rod; 48. rotating the rod shaft; 49. the inner cavity of the rotating shaft; 50. a first fixing pin; 51. a second fixing pin; 52. a vibrating plate; 53. a first fixing hole; 54. and a second fixing hole.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the broken stone leveling device for railway construction comprises supports 10, wherein a cross beam 11 is fixedly arranged on the inner side of each front and rear side support 10, a first motor seat 13 is fixedly arranged on the inner side, a reinforcing rod 12 is fixedly arranged between each left and right side support 10, a moving device is arranged below each support 10 and used for moving the device, the outer side of the lower part of each support 10 is rotatably provided with a wheel shaft 16, the outer side of each wheel shaft 16 is fixedly provided with a wheel 15, and the inner side of each support 10 is fixedly provided with a first fixing plate 20.
As shown in fig. 1, a second fixing plate 21 is fixedly arranged on the upper side of each first fixing plate 20, a second motor base 19 is fixedly arranged on the left side of each left second fixing plate 21, first motors 18 are fixedly arranged on the front and rear sides of each second motor base 19, first motor shafts 17 are arranged on the front and rear output ends of each first motor 18, and each first motor shaft 17 is fixedly connected with each left wheel shaft 16.
As shown in fig. 1 and 2, a second motor 14 is fixedly arranged on the upper side of the first motor base 13, a second motor shaft 23 is arranged at the output end of the lower side of the second motor 14, a first bevel gear 24 is fixedly arranged on the lower side of the second motor shaft 23, a third fixing plate 26 is fixedly arranged on the right side of the first motor base 13, a gear shaft 27 is rotatably arranged at the lower end of the third fixing plate 26, a second bevel gear 25 is fixedly arranged on the left side of the gear shaft 27, a first belt pulley 40 is fixedly arranged on the right side of the gear shaft 27, a first belt 43 is slidably arranged at the left end of the first belt pulley 40, and a second belt 42 is slidably arranged at the right end of the first belt pulley 40.
As shown in fig. 2, 5, 6 and 7, a rotating shaft 22 is rotatably arranged inside each second fixing plate 21 at the front and rear ends, first bearings 37 are fixedly arranged outside the left and right ends of each rotating shaft 22 respectively, a large cam 36 is fixedly arranged outside each first bearing 37, second bearings 39 are fixedly arranged at the left and right ends of each rotating shaft 22 respectively, each second bearing 39 is arranged inside each first bearing 37, a small cam 38 is fixedly arranged outside each second bearing 39, a rotating shaft cavity 49 is arranged in each rotating shaft 22, each rotating shaft cavity 49 is arranged between each first bearing 37 and each second bearing 39, first fixing holes 53 are respectively arranged on the upper sides of the left and right ends of each rotating shaft cavity 49, each first fixing hole 53 extends out of the rotating shaft cavity 49 into each first bearing 37, second fixing holes 54 are respectively arranged on the upper sides of the right and left ends of each rotating shaft cavity 49, each second fixing hole 54 extends out of the cavity wall of each rotating shaft inner cavity 49 to each second bearing 39, a rotating rod 47 is rotatably arranged in each rotating shaft inner cavity 49, a rotating rod shaft 48 is fixedly arranged at the front side and the rear side of the middle of each rotating rod 47 respectively, and each rotating rod shaft 48 is rotatably connected with the cavity wall of each rotating shaft inner cavity 49.
As shown in fig. 2, 5, 6 and 7, the upper side of the left end and the right end of each left and right rotating rod 47 is respectively provided with a first fixing pin 50 in a rotating manner, each first fixing pin 50 is connected with each first fixing hole 53 in a sliding manner, the upper side of the right end and the left end of each left and right rotating rod 47 is respectively provided with a second fixing pin 51 in a rotating manner, each second fixing pin 51 is connected with each second fixing hole 54 in a sliding manner, the right end of the front rotating shaft 22 is fixedly provided with a second belt pulley 44, the second belt pulley 44 is connected with the first belt 43 in a sliding manner, the right end of the rear rotating shaft 22 is fixedly provided with a third belt pulley 41, and the third belt pulley 41 is connected with the second belt 42 in a sliding manner.
As shown in the figures 1 and 3, respectively, as shown in fig. 4 and 5, support columns 28 are respectively and fixedly arranged on the left side and the right side of each first fixing plate 20, a sliding chute 35 is arranged in each support column 28, a spring 45 is fixedly arranged on the lower side of each sliding chute 35, a sliding block 46 is fixedly arranged on the upper side of each spring 45, a vibration plate 52 is slidably arranged in each support frame 10, the vibration plate 52 is fixedly connected with each support 56, a rotating shaft 32 is arranged at the left end of the inner side of each support column 28, a baffle 34 is rotatably arranged in each front support frame 10 and each front support frame and each rear support frame 10, each baffle 34 is fixedly connected with each rotating shaft 32, a first gear 33 is fixedly arranged on the outer side of each right rotating shaft 32, a third motor 29 is fixedly arranged on the upper side of each right support column 28, a third motor shaft 30 is arranged at the output end of the left side of each third motor 29, a second gear 31 is fixedly arranged on the left side of each third motor shaft 30, and each second gear 31 is meshed with each first gear 33.
Place the equipment above the rubble, at this moment start first motor 18, thereby make first motor 18 drive first motor shaft 17 rotatory, thereby drive the wheel axle 16 rotatory, thereby it is rotatory to drive wheel 15, thereby make equipment begin to move along the rubble, at this moment start second motor 14, thereby make second motor 14 drive second motor shaft 23 rotatory, thereby drive first bevel gear 24 rotatory, thereby drive second bevel gear 25 rotatory, thereby drive gear axle 27 rotatory, thereby drive first belt pulley 40 rotatory, thereby drive first belt 43 and second belt 42 rotatory, thereby drive second belt pulley 44 and third belt pulley 41 rotatory, thereby drive pivot 22 rotatory, thereby drive big cam 36 rotatory, thereby make vibrating plate 52 can vibrate from top to bottom, so can drive vibrating plate vibration through the cam, thereby make the rugged rubble by the vibrated removal, thereby enabling the crushed stone to be leveled.
When the first fixing pin 50 is located in the first fixing hole 53 and the second fixing pin 51 is located right below the second fixing hole 54, when the vibration stroke of the vibration plate 52 above the crushed stone is within the rotatable range of the large cam 36, the large cam 36 will rotate at this time, so that the vibration plate 52 vibrates, when the distance between the crushed stone and the vibration plate 52 is not enough to rotate the large cam 36, so that when the protruding convex portion of the large cam 36 rotates onto the vibration plate 52, the first fixing pin 50 will be pushed out of the first fixing hole 53 at this time, so that the first fixing pin 50 slides downward, so that the large cam 36 stops rotating, the rotating lever 47 will rotate counterclockwise, so that the second fixing pin 51 slides upward, so that the second fixing pin 51 enters the second fixing hole 54, so that the small cam 38 rotates, when the distance between the vibration plate 52 and the crushed stone becomes large, at this moment, the spring in the second fixing pin 51 can pop the second fixing pin 51 out of the second fixing hole 54, so that the first fixing pin 50 enters the first fixing hole 53 to drive the large cam 36 to rotate, and the cam can be automatically replaced by the equipment by arranging the limiting device, so that the equipment can adapt to gravels with different laying heights, and the application range of the equipment is enlarged.
When equipment is in the continuous flattening rubble, third motor 29 will start this moment, thereby it is rotatory to make third motor 29 drive third motor shaft 30, thereby it is rotatory to drive second gear 31, thereby it is rotatory to drive first gear 33, thereby it is rotatory to drive axis of rotation 32, thereby it rotates to drive baffle 34, thereby it blocks to make baffle 34 slide the rubble of both sides, and fix the rubble in the both sides of railway roadbed, guaranteed that there is not the rubble to run out at the in-process of flattening rubble, thereby the stability of roadbed has been guaranteed, the safety of train driving has been ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a rubble leveling equipment for railway construction, includes support (10), both sides around every support (10) inboard is fixed and is equipped with crossbeam (11), inboard fixed first motor cabinet (13) that is equipped with, every left and right sides fixed stiffener (12) that are equipped with between support (10), every support (10) below is equipped with mobile device, and mobile device is used for the removal of this equipment, and mobile device includes every support (10) below outside is rotated and is equipped with shaft (16), every fixed wheel (15) that are equipped with in shaft (16) outside, every support (10) inboard is fixed and is equipped with first fixed plate (20).
2. The scree leveling apparatus for railway construction according to claim 1, wherein: every first fixed plate (20) upside is fixed and is equipped with second fixed plate (21), every left side second fixed plate (21) left side is fixed respectively and is equipped with second motor cabinet (19), every second motor cabinet (19) front and back side is fixed respectively and is equipped with first motor (18), every first motor (18) front and back side output is equipped with first motor shaft (17), every first motor shaft (17) and every left side shaft (16) fixed connection.
3. The scree leveling apparatus for railway construction according to claim 2, wherein: first motor cabinet (13) upside is fixed and is equipped with second motor (14), second motor (14) downside output is equipped with second motor shaft (23), second motor shaft (23) downside is fixed and is equipped with first bevel gear (24), first motor cabinet (13) right side is fixed and is equipped with third fixed plate (26), third fixed plate (26) lower extreme rotates and is equipped with gear shaft (27), gear shaft (27) left side is fixed and is equipped with second bevel gear (25), gear shaft (27) right side is fixed and is equipped with first belt pulley (40), first belt pulley (40) left end slides and is equipped with first belt (43), first belt pulley (40) right-hand member slides and is equipped with second belt (42).
4. The scree leveling apparatus for railway construction according to claim 3, wherein: the inner sides of the second fixing plates (21) at the front end and the rear end of each rotating shaft (22) are rotatably provided with rotating shafts (22), the outer sides of the left end and the right end of each rotating shaft (22) are respectively and fixedly provided with first bearings (37), the outer side of each first bearing (37) is fixedly provided with a large cam (36), the left end and the right end of each rotating shaft (22) are respectively and fixedly provided with second bearings (39), each second bearing (39) is arranged on the inner side of each first bearing (37), the outer side of each second bearing (39) is fixedly provided with a small cam (38), a rotating shaft inner cavity (49) is arranged in each rotating shaft (22), each rotating shaft inner cavity (49) is arranged between each first bearing (37) and each second bearing (39), the upper sides of the left end and the right end of each rotating shaft inner cavity (49) at the left side and the right side are respectively provided with first fixing holes (53), and each first fixing hole (53) extends out of the wall of each rotating shaft inner cavity (49) to each first bearing (37), second fixing holes (54) are respectively formed in the upper side of the right left end of each rotating shaft inner cavity (49) on the left side and the right side, the second fixing holes (54) extend out of the wall of the rotating shaft inner cavity (49) to the inside of each second bearing (39), a rotating rod (47) is rotatably arranged in each rotating shaft inner cavity (49), a rotating rod shaft (48) is fixedly arranged on the front side and the rear side of the middle of each rotating rod (47), and each rotating rod shaft (48) is rotatably connected with the wall of each rotating shaft inner cavity (49).
5. The scree leveling apparatus for railway construction according to claim 4, wherein: every left and right sides dwang (47) left and right sides end upside rotates respectively and is equipped with first fixed pin (50), every first fixed pin (50) and every first fixed orifices (53) sliding connection, every left and right sides dwang (47) right side left end upside rotates respectively and is equipped with second fixed pin (51), every second fixed pin (51) and every second fixed orifices (54) sliding connection, front side pivot (22) right-hand member is fixed and is equipped with second belt pulley (44), second belt pulley (44) with first belt (43) sliding connection, rear side pivot (22) right-hand member is fixed and is equipped with third belt pulley (41), third belt pulley (41) with second belt (42) sliding connection.
6. The scree leveling apparatus for railway construction according to claim 5, wherein: supporting columns (28) are respectively fixedly arranged on the left side and the right side of each first fixing plate (20), a sliding groove (35) is arranged in each supporting column (28), a spring (45) is fixedly arranged on the lower side of each sliding groove (35), a sliding block (46) is fixedly arranged on the upper side of each spring (45), a vibration plate (52) is arranged in each support (10) in a sliding manner, each vibration plate (52) is fixedly connected with each rotating shaft (56), a rotating shaft (32) is arranged at the left end of the inner side of each supporting column (28), a baffle (34) is rotationally arranged in each support (10) on the front side and the rear side, each baffle (34) is fixedly connected with each rotating shaft (32), a first gear (33) is fixedly arranged on the outer side of each rotating shaft (32), a third motor (29) is fixedly arranged on the upper side of each supporting column (28), and a third motor shaft (30) is arranged at the left output end of each third motor (29), a second gear (31) is fixedly arranged on the left side of each third motor shaft (30), and each second gear (31) is meshed with each first gear (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494329.4A CN113957756A (en) | 2021-12-08 | 2021-12-08 | Broken stone leveling equipment for railway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111494329.4A CN113957756A (en) | 2021-12-08 | 2021-12-08 | Broken stone leveling equipment for railway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113957756A true CN113957756A (en) | 2022-01-21 |
Family
ID=79473066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111494329.4A Pending CN113957756A (en) | 2021-12-08 | 2021-12-08 | Broken stone leveling equipment for railway construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN113957756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116590968A (en) * | 2023-06-02 | 2023-08-15 | 北京瀚明达科技有限公司 | Ballast arranging machine for railway ballast bed |
-
2021
- 2021-12-08 CN CN202111494329.4A patent/CN113957756A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116590968A (en) * | 2023-06-02 | 2023-08-15 | 北京瀚明达科技有限公司 | Ballast arranging machine for railway ballast bed |
| CN116590968B (en) * | 2023-06-02 | 2023-11-21 | 北京瀚明达科技有限公司 | Ballast arranging machine for railway ballast bed |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220121 |
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| RJ01 | Rejection of invention patent application after publication |