CN219547455U - Combined light pillow changing machine - Google Patents
Combined light pillow changing machine Download PDFInfo
- Publication number
- CN219547455U CN219547455U CN202320522153.7U CN202320522153U CN219547455U CN 219547455 U CN219547455 U CN 219547455U CN 202320522153 U CN202320522153 U CN 202320522153U CN 219547455 U CN219547455 U CN 219547455U
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- Prior art keywords
- ballast
- sleeper
- rail
- pushing
- seat
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model relates to a combined operation portable sleeper replacement machine which comprises an old sleeper removing device (1), a new sleeper feeding device (2) and a ballast pushing device (3), wherein the old sleeper removing device (1) and the new sleeper feeding device (2) are crawler-type excavators respectively, the ballast pushing device (3) comprises a connecting seat (31), a telescopic frame (32) and a ballast pushing seat (33), the connecting seat (31) is connected with the old sleeper removing device (1), the fixed end of the telescopic frame (32) is connected with the connecting seat (31), the telescopic end of the telescopic frame is connected with the ballast pushing seat (33), a ballast pushing frame (35) is arranged on the ballast pushing seat (33), a ballast pushing plate (37) is arranged on the ballast pushing seat (33), a rail locking device (5) is arranged on the rail locking device (5), and a rail locking wheel (51) is arranged on the rail locking device (5). The pillow replacing machine has the advantages of higher pillow replacing speed and higher efficiency, and solves the defect that the old pillow and the new pillow can not be alternately replaced by the existing excavator type pillow replacing machine. The grab buckets of the two excavators are matched with the ballast pushing plates, so that the sleeper replacement efficiency is greatly improved.
Description
Technical Field
The utility model relates to railway machinery, in particular to a combined operation portable sleeper-changing machine.
Background
The traditional sleeper replacement mode of the railway department is a manual mode, has high labor intensity and low sleeper replacement efficiency, and is not suitable for the needs of railway transportation development. Various mechanical sleeper replacement devices have been developed and widely used in railway departments. These pillow changing devices include both domestic and imported devices. The imported sleeper replacement equipment is generally high in cost, multiple in functions and high in sleeper replacement efficiency, but the train is required to be stopped for a long time for each operation, and rails are required to be cut off at regular time, so that the sleeper replacement equipment is not suitable for sleeper replacement in a short time interval. Relatively speaking, the characteristics of small and quick change of the domestic sleeper-changing machine are more suitable for the needs of large railway transportation number of vehicles and short running clearance in China. A sleeper grab bucket and a road ballast pushing plate are arranged on an excavating arm of a domestic sleeper-changing machine, the sleeper-changing machine is flexible to operate, but the sleeper-changing machine is used for changing one sleeper, one excavating arm of the excavator is required to complete multiple works such as pushing and filling the ballast, removing old sleepers, changing new sleepers, pushing and filling the ballast again, and the like, and each work can be done one by one and is not needed to be done quickly, so that the sleeper-changing efficiency is required to be improved.
Disclosure of Invention
The utility model aims to overcome the defect of low pillow replacement efficiency of the existing excavator type pillow replacement machine, and provides a combined operation portable pillow replacement machine which is higher in pillow replacement speed and efficiency.
The technical scheme of the utility model is as follows: the track type ballast pushing device comprises an old sleeper removing device, a new sleeper removing device and a ballast pushing device, wherein the old sleeper removing device and the new sleeper removing device are crawler type excavators provided with sleeper grab buckets on excavating arms respectively, the ballast pushing device comprises a connecting seat, a telescopic frame and a ballast pushing seat, the connecting seat is connected with the old sleeper removing device and is towed to walk by the old sleeper removing device, track wheels matched with rails are arranged on the connecting seat, the fixed end of the telescopic frame is connected with the connecting seat, the telescopic end of the telescopic frame is connected with the ballast pushing seat, a ballast pushing hydraulic cylinder driving the telescopic frame to stretch out and draw back is arranged on the telescopic frame, a ballast pushing frame matched with the rails and a ballast pushing frame which is arranged on the ballast pushing seat in an up-down sliding mode are arranged between the ballast pushing frame and the ballast pushing seat, a ballast pushing plate which drives the ballast pushing frame to slide up and down is hinged to the ballast pushing frame is arranged on the ballast pushing frame, and a ballast pushing hydraulic cylinder driving the ballast pushing plate to turn over is arranged between the ballast pushing frame and the ballast pushing frame, and the ballast pushing seat is capable of preventing the ballast pushing wheels from being hooked to the track lock and the ballast pushing seat to the track.
The utility model has the technical effects that: the pillow replacing machine has the advantages of higher pillow replacing speed and higher efficiency, and solves the defect that the old pillow and the new pillow can not be alternately replaced by the existing excavator type pillow replacing machine. The grab buckets of the two excavators are matched with the ballast pushing plates, so that the time gap between the two grab buckets and the ballast pushing plates is effectively utilized, the work of pushing and filling the ballast, removing the old sleeper and replacing the new sleeper is alternately completed, and the sleeper replacing efficiency is greatly improved. In the sleeper replacement process, a pressing pad and a nut are not required to be manually installed to prevent the new sleeper from falling, so that the operation speed is greatly improved, and the labor intensity and the operation danger of workers are reduced. The ballast pushing device and the sleeper fixing trolley can be hung on and off the rail by utilizing the excavator for removing the old sleeper device and the new sleeper device, so that the crane is not required to cooperate for working, and the independent operation in the field is facilitated. The excavator works by utilizing the hydraulic system of each excavator, does not need to additionally increase a hydraulic power device, is more economical to apply, can lighten the weight, and is convenient to self-use and hang up and down rails by the excavator.
The device can greatly shorten the operation time for replacing the single sleeper, reduce the operation cost for replacing the sleeper, and replace more sleepers in each parking gap, thereby being more beneficial to daily operation and equipment maintenance of railway departments and being more suitable for rapid development of railway transportation.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Description of the embodiments
As shown in fig. 1, the ballast pushing device comprises an old sleeper removing device 1, a new sleeper removing device 2 and a ballast pushing device 3, the old sleeper removing device 1 and the new sleeper removing device 2 are crawler-type excavators, sleeper grab buckets are mounted on excavating arms, the ballast pushing device 3 comprises a connecting seat 31, a telescopic frame 32 and a ballast pushing seat 33, the connecting seat 31 is connected with the old sleeper removing device 1 and is towed by the old sleeper removing device 1, a track wheel 4 matched with a rail is arranged on the connecting seat 31, a fixed end of the telescopic frame 32 is connected with the connecting seat 31, a telescopic end of the telescopic frame is connected with the ballast pushing seat 33, a ballast pushing hydraulic cylinder 34 for driving the telescopic frame 32 to stretch out and draw back is arranged on the telescopic frame 32, a track wheel 4 matched with the rail is arranged on the ballast pushing seat 33, a ballast pushing cylinder 36 for driving the ballast pushing frame 35 to slide up and down is arranged between the ballast pushing frame 35 and the ballast pushing seat 33, a ballast pushing plate 37 hinged on the ballast pushing frame 35 is arranged on the connecting seat 31, and a ballast pushing cylinder 37 capable of driving the ballast pushing plate 37 to push the ballast pushing up and the ballast pushing seat to push the ballast plate to push up and the ballast plate to the track 33 can be pushed up, and the ballast pushing cylinder can be prevented from being pushed to the ballast plate and the ballast pushing up to the ballast plate is arranged between the track wheels and the ballast pushing seat and the ballast plate 35.
The front part and the rear part of the excavator of the old sleeper removing device 1 and the new sleeper removing device 2 are respectively provided with a wheel frame 11 hinged with the excavator, each wheel frame 11 is respectively provided with a rail wheel 4 matched with a rail, and a guide hydraulic cylinder 12 which is respectively arranged between each wheel frame 11 and the excavator and is used for enabling the rail wheel 4 to be matched with the rail after the excavator is arranged on the rail.
The expansion bracket 32 is composed of a left cross expansion bracket 39 and a right cross expansion bracket 39 which are respectively positioned at the outer sides of two rails, the fixed end of the left cross expansion bracket 39 is fixedly connected with the left side of the connecting seat 31, the expansion end is fixedly connected with the left side of the ballast pushing seat 33, the fixed end of the right cross expansion bracket 39 is fixedly connected with the right side of the connecting seat 31, the expansion end is fixedly connected with the right side of the ballast pushing seat 33, the left cross expansion bracket 39 and the right cross expansion bracket 39 are respectively provided with a ballast pushing hydraulic cylinder 34, and the middle positions of the left cross expansion bracket 39 and the right cross expansion bracket 39 are respectively provided with a rail locking device 5 for preventing the expansion bracket 32 from being lifted upwards under the force.
The rail locking device 5 is composed of a rail locking seat 52, a rail locking hydraulic cylinder 53, two crossed arms 54, two connecting rods 55 and two rail locking wheels 51, wherein the cylinder rod of the rail locking hydraulic cylinder 53 faces downwards, the rail locking seat 52 is axially vertically fixed, the rail locking seat 52 is hinged with the two crossed arms 54 in a mutually crossed position, the upper ends of the two connecting rods 55 are respectively hinged with the end parts of the cylinder rod of the rail locking hydraulic cylinder 53, the lower ends of the two connecting rods 55 are respectively hinged with the upper ends of one crossed arm 54, the two rail locking wheels 51 are respectively rotatably arranged on rail locking shafts corresponding to the lower ends of the crossed arms 54, and wheel grooves 56 matched with the side faces and the bottom faces of rail tops are respectively arranged on the rail locking wheels 51.
The ballast pushing frame 35 is composed of a cross beam 40 and sliding sleeves 41 arranged at two ends of the cross beam 40, and the two sliding sleeves 41 are respectively sleeved on two upright posts 42 arranged at two ends of the ballast pushing seat 33, so that the ballast pushing frame 35 slides up and down on the ballast pushing seat 33.
The left and right sides of pushing ballast plate 37 are respectively provided with a notch for avoiding the rail, so that pushing ballast plate 37 can push road ballasts between the rails and outside the rails simultaneously, and a plurality of shovel tips 43 are arranged at intervals at the lower edge of pushing ballast plate 37.
The sleeper laying trolley 6 is connected with an excavator of the sleeper laying device 2 and is pushed by the excavator to walk, and the sleeper laying trolley 6 is provided with a sleeper laying device 7, a ballast laying device 8 and a rail wheel 4 matched with a rail.
The sleeper fixing device 7 is composed of two sleeper fixing frames 71 which are arranged on the sleeper fixing trolley 6 left and right, each sleeper fixing frame 71 is composed of a support column 72 and a guide iron 73, the upper ends of the support columns 72 of each sleeper fixing frame 71 are respectively fixed on the upper end and the lower end of each sleeper fixing trolley 6 and face the inner side of a rail, the guide iron 73 extends along the direction of the rail and is matched with the side face of the rail bottom on the inner side of the rail, the rear end of the guide iron 73 is fixedly connected with the lower end of the support column 72, and the front end of the guide iron 73 is provided with a guide inclined plane 74 matched with a sleeper vertical bolt.
The ballast filling device 8 is composed of two ballast filling devices which are arranged on the sleeper fixing trolley 6 on the left side and the right side of the outer sides of two rails, each ballast filling device is composed of a ballast filling hydraulic cylinder 81, a ballast filling shaft 82, a ballast filling rod 83 and a ballast poking head 84, the ballast filling shaft 82 is axially parallel to the rails, one end of the ballast filling shaft 82, which is close to an excavator of the sleeper fixing trolley 2, is rotatably arranged on the sleeper fixing trolley 6 through a bearing seat, the other end of the ballast filling shaft 82 is detected out of the sleeper fixing trolley 6, the tail end of a cylinder body of the ballast filling hydraulic cylinder 81 is hinged with the sleeper fixing trolley 6, the end of a cylinder rod is hinged with the position, deviating from the axle center, of the ballast filling shaft 82 to drive the ballast filling shaft 82 to swing, one end of the ballast filling shaft 83 is transversely fixedly connected with the end, which is detected out of the sleeper fixing trolley 6, of the other end of the ballast poking head 84 is fixedly connected.
The ballast rod 83 is an arc-shaped bent rod with an inward bending side facing the outer lower side of the sleeper-fixing trolley 6, and the ballast poking head 84 is a square plate-shaped body fixed at the end part of the ballast rod 83.
The positions of the ballasting bars 83 and the ballasting heads 84 along the extending direction of the rail correspond to the rear positions of the guide slopes 74 of the guide irons 73, so that the ballasting is accurately padded under both ends of the new sleeper to prevent the new sleeper from falling.
Working principle:
when the sleeper replacement machine works, the old sleeper device 1 excavator, the ballast pushing device 3, the sleeper fixing trolley 6 and the sleeper fixing device 2 excavator are arranged on the rail in the front-back sequence of the walking direction, the old sleeper device 1 excavator lifts the ballast pushing device 3 onto the rail, the sleeper fixing trolley 6 onto the sleeper fixing device 2 excavator lifts the rail, the old sleeper device 1 excavator and the sleeper fixing device 2 excavator automatically open the rail and are respectively movably connected with the ballast pushing device 3 and the sleeper fixing trolley 6, the old sleeper device 1 excavator pulls the ballast pushing device 2 to walk, and the sleeper fixing device 2 excavator pushes the sleeper fixing trolley 6 to walk. Each hydraulic cylinder on the ballast pushing device 3 and the rail locking device 5 is connected with a hydraulic system of the excavator of the old sleeper removing device 1 through a hydraulic distributor arranged on the excavator of the old sleeper removing device 1, and the ballast filling hydraulic cylinder 81 on the sleeper fixing trolley 6 is connected with the hydraulic system of the excavator of the new sleeper removing device 2 through a hydraulic distributor arranged on the excavator of the new sleeper removing device 2, so that no additional hydraulic power source is needed. The guide hydraulic cylinders 12 are controlled to enable the rail wheels 4 on the wheel frames 11 at the front and rear parts of each excavator to be matched with the rails, so that the guide hydraulic cylinders can guide the excavator to walk and prevent the excavator from falling off.
Before sleeper replacement, the four sleepers on the rails at the sleeper replacement position are required to be removed, so that sleeper replacement operation space is reserved between the ballast pushing device 3 and the sleeper fixing trolley 6.
The pillow replacement process comprises the following steps:
1. the ballast pushing device 3 pushes the ballast pushing plate 37 against the old sleeper, inserts the ballast pushing plate 37 into the road ballast behind the old sleeper downwards, stretches the telescopic frame 32, pushes the road ballast backwards to the position of the new sleeper, and lifts the ballast pushing plate 37 in the final stage to fill the road ballast in gaps below the new sleeper and in the front and rear;
2. when the old sleeper is removed and the ballasting plate 37 of the ballasting device 3 is pushed to the rearmost position, a gap is formed between the two crossed telescopic brackets 39 of the telescopic frame 32, a grab bucket on an excavating arm of an excavator of the old sleeper removing device 1 grabs the sleeper downwards from the gap position, horizontally pushes forwards for a distance exceeding half the length of the sleeper, then horizontally rotates the sleeper by 90 degrees to enable the sleeper to be parallel to a rail, lifts the sleeper to be lifted out from between the two rails, finally the excavating arm horizontally rotates the sleeper, and the old sleeper is placed outside a roadbed;
3. the ballasting plate returns, after the old sleeper is lifted out, the telescopic frame 32 retracts to drive the ballasting plate 37 to return to the position for pushing the ballast next time;
4. and (3) placing a new sleeper, and before the old sleeper is removed, placing a new sleeper on the new sleeper device 2, and grabbing the new sleeper outside the roadbed by a grab bucket on an excavating arm of an excavator. After the ballast pushing plate 37 returns, the excavator of the new sleeper device 2 is arranged to hang the new sleeper between the rails and parallel to the rails, then the new sleeper is downwards sent between the lower parts of the two rails, then the new sleeper is horizontally rotated by 90 degrees and perpendicular to the rails, finally the new sleeper is pulled back along the rails, and the new sleeper passes through the guide inclined planes 74 of the two guide irons 73 of the sleeper fixing device 7 to reach the designated position;
5. and (3) filling the ballast, namely manually filling a rubber cushion between two vertical bolts of the new sleeper, and then lifting the new sleeper to enable the upper surface of the rubber cushion to contact the bottom of the rail. Then the ballast filling device 8 acts, and the ballast filling heads 84 of the two ballast filling devices fill the ballasts outside the two ends of the new sleeper to the lower parts of the two ends of the new sleeper so as to fill the sleeper. Finally, the grab bucket of the excavator loosens the new sleeper, and the new sleeper cannot fall down due to the fact that two ends of the new sleeper are padded;
6. and after the new sleeper is put on, the ballast pushing device 3 acts again to push the ballast behind the next sleeper to be removed forwards, and the ballasts are buried in gaps below and in front of and behind the new sleeper.
The process is repeated, and the whole sleeper replacement work is completed circularly.
Claims (10)
1. The utility model provides a portable pillow machine that trades of combined operation, it includes to remove old pillow device (1), go up new pillow device (2) and push away tiny fragments of stone, coal, etc. device (3), its characterized in that: the old sleeper device (1) and the new sleeper device (2) are removed and are crawler-type digger with sleeper grab bucket installed on the digging arm respectively, the ballast pushing device (3) comprises a connecting seat (31), a telescopic frame (32) and a ballast pushing seat (33), the connecting seat (31) is connected with the old sleeper device (1) and is towed by the old sleeper device (1) to travel, a track wheel (4) matched with a rail is arranged on the connecting seat (31), the fixed end of the telescopic frame (32) is connected with the connecting seat (31), the telescopic end is connected with the ballast pushing seat (33), a ballast pushing hydraulic cylinder (34) driving the telescopic frame (32) to stretch out and draw back is arranged on the telescopic frame (32), a ballast pushing frame (35) arranged on the ballast pushing seat (33) and matched with the rail wheel (4) and is installed in a sliding manner up and down, a ballast pushing hydraulic cylinder (36) driving the ballast pushing frame (35) to slide up and down is arranged between the ballast pushing frame (35) and the ballast pushing seat (33), a ballast pushing hydraulic cylinder (37) is driven to push up a ballast pushing plate (37 to push up a ballast plate (37) when the ballast pushing plate (37) is pushed up and a ballast pushing plate (37) is driven to push up, the rail locking device (5) is provided with a rail locking wheel (51) which can hook the rail to prevent the ballast pushing seat (33) from lifting upwards and can enable the ballast pushing seat (33) to slide along the rail.
2. The combined operation portable sleeper-changing machine according to claim 1, characterized in that the front part and the rear part of the excavator of the old sleeper-removing device (1) and the new sleeper-removing device (2) are respectively provided with wheel frames (11) hinged with the excavator, each wheel frame (11) is respectively provided with a rail wheel (4) matched with a rail, and a guide hydraulic cylinder (12) which is respectively arranged between each wheel frame (11) and the excavator and is used for enabling the rail wheel (4) to be matched with the rail after the excavator is arranged on the rail.
3. The combined operation portable sleeper-changing machine according to claim 1, characterized in that the expansion bracket (32) is composed of a left cross expansion bracket (39) and a right cross expansion bracket (39) which are respectively positioned at the outer sides of two railway rails, the fixed end of the left cross expansion bracket (39) is fixedly connected with the left side of the connecting seat (31), the expansion end is fixedly connected with the left side of the ballast pushing seat (33), the fixed end of the right cross expansion bracket (39) is fixedly connected with the right side of the connecting seat (31), the expansion end is fixedly connected with the right side of the ballast pushing seat (33), the left cross expansion bracket (39) and the right cross expansion bracket (39) are respectively provided with a ballast pushing hydraulic cylinder (34), and the middle positions of the left cross expansion bracket (39) and the right cross expansion bracket (39) are respectively provided with a rail locking device (5) for preventing the expansion bracket (32) from being lifted upwards.
4. A combined portable sleeper-changing machine according to claim 1 or 3, characterized in that the rail-locking device (5) is composed of a rail-locking seat (52), a rail-locking hydraulic cylinder (53), two cross arms (54), two connecting rods (55) and two rail-locking wheels (51), the cylinder rod of the rail-locking hydraulic cylinder (53) faces downwards, the two cross arms (54) are axially and vertically fixed on the rail-locking seat (52), the mutually crossed positions of the two cross arms (54) are hinged on the rail-locking seat (52), the upper ends of the two connecting rods (55) are respectively hinged with the end parts of the cylinder rods of the rail-locking hydraulic cylinder (53), the lower ends of the two connecting rods are respectively hinged with the upper ends of one cross arm (54), the two rail-locking wheels (51) are respectively rotatably arranged on rail-locking wheel shafts at the lower ends of the corresponding cross arms (54), and wheel grooves (56) matched with the side surfaces and the bottom surfaces of rail tops are respectively arranged on the rail-locking wheels (51).
5. The combined operation portable sleeper-changing machine according to claim 1, wherein the ballast pushing frame (35) is composed of a cross beam (40) and sliding sleeves (41) arranged at two ends of the cross beam (40), and the two sliding sleeves (41) are respectively sleeved on two upright posts (42) arranged at two ends of the ballast pushing seat (33) so that the ballast pushing frame (35) slides up and down on the ballast pushing seat (33).
6. The combined operation portable sleeper-changing machine according to claim 1, wherein the left side and the right side of the ballast-pushing plate (37) are respectively provided with a notch for avoiding the rails, so that the ballast-pushing plate (37) can push road ballasts between the rails and outside the rails at the same time, and a plurality of shovel tips (43) are arranged at intervals at the lower edge part of the ballast-pushing plate (37).
7. The combined operation portable sleeper-changing machine according to claim 1, further comprising a sleeper-fixing trolley (6), wherein the sleeper-fixing trolley (6) is connected with an excavator of the new sleeper-feeding device (2) and is pushed by the excavator to walk, and the sleeper-fixing trolley (6) is provided with a sleeper-fixing device (7), a ballast-filling device (8) and a rail wheel (4) matched with a rail.
8. The combined portable sleeper-changing machine according to claim 7, characterized in that the sleeper-fixing device (7) is composed of two sleeper-fixing frames (71) which are arranged on the sleeper-fixing trolley (6) left and right, each sleeper-fixing frame (71) is composed of a supporting column (72) and a guide iron (73), the upper end and the lower end of the supporting column (72) of each sleeper-fixing frame (71) are respectively fixed on the sleeper-fixing trolley (6) and face the inner side of a rail, the guide iron (73) extends along the direction of the rail and is matched with the side face of the rail bottom on the inner side of the rail, the rear end of the guide iron (73) is fixedly connected with the lower end of the supporting column (72), and the front end of the guide iron is provided with a guide inclined plane (74) matched with a sleeper standing bolt.
9. A combined operation portable sleeper-changing machine as defined in claim 7, wherein the ballast-setting device (8) is composed of two ballast-setting devices which are arranged on the sleeper-setting trolley (6) on the left and right sides of the outer sides of two rails, each ballast-setting device is composed of a ballast-setting hydraulic cylinder (81), a ballast-setting shaft (82), a ballast-setting rod (83) and a ballast-stirring head (84), the axial direction of the ballast-setting shaft (82) is parallel to a rail, one end of the ballast-setting shaft (82) close to the excavator of the sleeper-setting device (2) is rotatably arranged on the sleeper-setting trolley (6) through a bearing seat, the other end of the ballast-setting shaft is detected out of the sleeper-setting trolley (6), the tail end of a cylinder body of the ballast-setting hydraulic cylinder (81) is hinged with the sleeper-setting trolley (6), the end of the cylinder rod is hinged with the position of the ballast-setting shaft (82) deviating from the axial center to drive the ballast-setting shaft (82) to swing, and one end of the ballast-setting rod (83) is transversely connected with the ballast-setting shaft (82) to the other end of the ballast-setting trolley (6) through a bearing seat to be fixed with the ballast-stirring head.
10. The combined operation portable sleeper-changing machine according to claim 9, wherein the ballast-filling rod (83) is an arc-shaped bent rod with an inward bent side facing the outer lower side of the sleeper-fixing trolley (6), and the ballast-shifting head (84) is a square plate-shaped body fixed at the end part of the ballast-filling rod (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320522153.7U CN219547455U (en) | 2023-03-17 | 2023-03-17 | Combined light pillow changing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320522153.7U CN219547455U (en) | 2023-03-17 | 2023-03-17 | Combined light pillow changing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219547455U true CN219547455U (en) | 2023-08-18 |
Family
ID=87703938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320522153.7U Active CN219547455U (en) | 2023-03-17 | 2023-03-17 | Combined light pillow changing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219547455U (en) |
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2023
- 2023-03-17 CN CN202320522153.7U patent/CN219547455U/en active Active
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