CN216404937U

CN216404937U - Sleeper replacer

Info

Publication number: CN216404937U
Application number: CN202120158905.7U
Authority: CN
Inventors: 张万森; 吴皓亮; 王陈城
Original assignee: Wenzhou Ruiji Technology Co ltd
Current assignee: Wenzhou Ruiji Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2022-04-29
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a sleeper replacer, which has the technical scheme that the sleeper replacer comprises a frame body arranged on a driving device, hydraulic tongs connected to the frame body and a bucket, and is characterized in that: the hydraulic clamp is positioned between the bucket and the driving equipment; the frame body comprises a support column; the lower end of the support column is connected with a rotating shaft; the rotating shaft comprises a rotating shaft upper part and a rotating shaft lower part which rotate mutually; the lower part of the rotating shaft is fixedly connected with a bracket; two opposite clamping parts are arranged below the bracket, and each clamping part comprises two chuck transmission rods; two connecting blocks are fixedly arranged on the peripheral surface of the chuck transmission rod; the end part of the chuck transmission rod is fixedly connected with an inner wrenching metal of the clamp; two clamp external wrenches are also arranged at the end parts of the two chuck transmission rods; the chuck transmission rod is also provided with two inner clamping plates; the utility model has the advantages of convenient operation of driving equipment, such as excavators and the like, and replacement of sleepers.

Description

Sleeper replacer

Technical Field

The utility model relates to a rail equipment manufacturing technology, in particular to a sleeper replacer.

Background

Sleepers, also known as sleepers, are generally made of tough and resilient wood and are manufactured into wood of a certain specification for paving rail running equipment and paving bearing equipment, so that trains run more stably. In practice, more concrete sleepers are generally adopted, and although the concrete sleepers are easy to maintain, the concrete sleepers are heavy and high in transportation and installation cost.

In the prior art, the following procedure is adopted for replacing the railroad ties. 1. Ballast raking: before ballast is taken off, the creeping direction of the track and the width of the sleeper hole are confirmed, and the ballast in the sleeper hole on one side is manually removed to be used as a channel for replacing the sleeper. 2. Removing the old sleeper: shifting the sleeper into the sleeper box by a crowbar, then drawing out the sleeper along a ballast groove by using sleeper pliers or sleeper lifting pliers, and after the sleeper is drawn out, leveling a sleeper bottom track bed, wherein the depth of the sleeper bottom track bed is about 25mm deeper than the thickness of a new sleeper. 3. And (3) replacing a new sleeper: the sleeper clamp or the sleeper lifting clamp is used for penetrating a new sleeper, a base plate or a fastener is placed according to standard requirements, ballast is strung, one person prys up the sleeper, and the other person fastens the fastener. 4. Backfilling and arranging the ballast bed: firstly, backfilling ballast to the positions of the sleeper heads at two ends and the bottom edge of the sleeper, backfilling the ballast in a sleeper box by using a ballast fork, leveling and tamping, and cleaning dust on a sleeper surface and a steel rail; the sleeper replacement operation in the prior art adopts manual operation, and is slow in speed and low in efficiency.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a sleeper changer which has the beneficial effects of being convenient for driving equipment, such as an excavator and other machines to operate and changing sleepers.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sleeper replacer, is including installing support body on drive arrangement, connecting hydraulic tong and the scraper bowl on the support body, its characterized in that: the hydraulic clamp is positioned between the bucket and the driving equipment; the frame body comprises a support column; the lower end of the support column is connected with a rotating shaft; the rotating shaft comprises a rotating shaft upper part and a rotating shaft lower part which rotate mutually; the lower part of the rotating shaft is fixedly connected with a bracket; and two opposite clamping parts are arranged below the bracket.

By adopting the technical scheme: in the using process, the scraper bucket is driven to remove stones and sundries around the sleeper through the connection of the existing frame body and the force arm of the excavator, then the sleeper is clamped and removed by using hydraulic tongs, and the replacement of the sleeper is realized, wherein the frame body structure is matched with the driving equipment and is of the existing structure; the hydraulic clamp has the function of grabbing the sleepers, and the bucket has the function of cleaning the periphery of the rail; in the specific structural arrangement, the hydraulic tongs can realize autorotation under the action of the rotating shaft, so that the sleepers can be conveniently rotated after being clamped and fixed, and the sleepers can be taken out and sent in from the lower part of the track; the structure of the rotating shaft is the existing structure, and the bucket and the hydraulic clamp can be driven under the condition of the same machine and the same machine operator through the combination of the hydraulic clamp and the bucket; the structure of hydraulic tong includes clamping part and bracket, and the bracket is connected the clamping part, and two clamping parts are through the promotion and the shrink realization of the hydraulic stem between the two fold the centre gripping and separate.

The utility model is further configured to: the clamping part comprises two chuck transmission rods; two connecting blocks are fixedly arranged on the peripheral surface of the chuck transmission rod; the end part of the chuck transmission rod is fixedly connected with an inner wrenching metal of the clamp; two clamp external wrenches are also arranged at the end parts of the two chuck transmission rods; the chuck transmission rod is also provided with two inner clamping plates; the inner clamping plate is fixedly connected with an outer clamping plate through a fixed shaft; one end of a hydraulic rod is rotatably connected between the inner clamping plates; the other end of the hydraulic rod is rotationally connected with the inner clamping plate on the other chuck transmission rod.

By adopting the technical scheme: the two clamping parts are respectively provided with a chuck transmission rod, the two chuck transmission rods are matched, connecting blocks on the two chuck transmission rods are connected through two levers, when the chuck transmission rods rotate, the positions of the levers are changed, an inner clamping plate below the levers is folded or separated with an outer clamping plate to clamp a sleeper, the two chuck transmission rods are driven to rotate and mainly comprise hydraulic rods, the hydraulic rods stretch out and draw back to push the clamping parts connected with the two ends of the hydraulic rods, the two clamping parts are separated or closed, in the process, the chuck transmission rods rotate, the positions of the connecting blocks are changed, the positions of the levers are changed, the levers play a role, and the clamping parts can be prevented from being excessively separated; the clamping head transmission rod has the advantages that the supporting and protecting effects are achieved, when the two clamping parts are in the opening state, the connecting block of one clamping head transmission rod is arranged upwards, the connecting block of the other clamping head transmission rod is arranged downwards, and after the clamping head transmission rod rotates to a certain angle, the lever can be limited by the clamping head transmission rod, so that excessive rotation is prevented.

The utility model is further configured to: a lever is rotatably connected to the connecting block; two-sided chuck plates are rotatably arranged between the inner clamping plate and the outer clamping plate; the two-side chuck plates are positioned below the fixed shaft; the two-side chuck plate comprises an arc-shaped plate positioned above and a chuck block which is integrally connected with the arc-shaped plate and penetrates through a gap between the inner chuck plate and the outer chuck plate; a pin shaft is fixedly arranged between the inner clamping plate and the outer clamping plate; the clamping head block is in rotating fit with the pin shaft; the two end faces of the chuck block are also integrally provided with clamping plates; the side face of the clamping plate is separated from the side faces of the inner clamping plate and the outer clamping plate.

By adopting the technical scheme: the connecting mode of the lever and the connecting block is rotary connection, the connection is realized through the existing pin shaft structure, the inner clamping plate and the chuck transmission rod are integrally arranged, and when the chuck transmission rod rotates, the inner clamping plate and the outer clamping plate fixedly connected with the inner clamping plate can be driven to rotate for a certain angle, so that the clamping of the sleeper is realized; and the effect of two-sided chuck board can realize the tight, butt of clamp to the sleeper side when carrying out the centre gripping to the sleeper, prevents the wearing and tearing of sleeper inner splint and outer splint after repetitious usage.

The utility model is further configured to: the surface of the clamping plate, which is away from the chuck block, is provided with anti-skid stripes; the arc-shaped plate is provided with an arc-shaped notch at a position corresponding to the pin shaft, and after the chuck block rotates relative to the pin shaft, the arc-shaped notch abuts against the outer peripheral surface of the pin shaft to limit; the end parts of the inner splint and the outer splint are provided with hook-shaped parts.

By adopting the technical scheme: the firm centre gripping to the sleeper is realized to anti-skidding bar, and the setting of arc breach, can play certain effect of stepping down when the centre gripping, under initial condition, the chuck piece can rotate certain angle relative round pin axle, such contact sets up, after carrying out the centre gripping to the sleeper, can break away from the sleeper, because, when unclamping the sleeper, whole clamping part is in the state of opening, the chuck piece has the rebalance in the effect of gravity, initial condition's trend, thereby make things convenient for the breaking away from of sleeper, the setting of hook can realize pressing from both sides the clamp of sleeper, the hook of a continuous clamping part folds in opposite directions, can realize pressing from both sides from the below and get.

The utility model is further configured to: the bracket comprises a supporting plate which is a strip-shaped plate positioned on two sides below the supporting plate; the strip-shaped plate extends downwards and is positioned between the two chuck transmission rods, and the side surface of the strip-shaped plate is abutted against the opposite surfaces of the two clamp external wrenches; the supporting plate is fixedly connected with the lower part of the rotating shaft; the lower end of the strip-shaped plate is detachably connected with a top plate.

The utility model is further configured to: the hydraulic rod penetrates between the two strip-shaped plates; connecting plates are arranged on two sides of the upper surface of the top plate; a plurality of circular through holes are formed in the connecting plate; the lower end of the strip-shaped plate is provided with two connecting through holes opposite to the circular through hole; and a screw is arranged to penetrate through the round through hole and the connecting through hole to be connected with the nut.

By adopting the technical scheme: the support plate and the strip-shaped plate are vertically arranged, and the strip-shaped plate is positioned between the two chuck rotating rods and is opposite to the clamp external wrenching metal, so that the rotation of the chuck rotating rods cannot be blocked; roof and bar shaped plate's being connected, through the structure setting of connecting plate, can realize the change of roof upper and lower position, the roof can realize the spacing butt to the sleeper upper surface, and the position of roof can change to be suitable for not co-altitude sleeper, have the wide beneficial effect of application scope

The utility model is further configured to: the number of the buckets is three; a yielding notch for yielding the railway track is formed between the buckets; the rack body also comprises a tripod perpendicular to the support column; the tripod is integrally connected with a connecting column; the spliced pole integral connection has three bottom tray and can dismantle with the scraper bowl and be connected.

By adopting the technical scheme: the scraper bowl is provided with threely, when excavator drive scraper bowl removes stone and debris around the sleeper, can avoid the track, sets up the structure of scraper bowl into threely, for current setting, does not give unnecessary details in this application, and the tripod, the spliced pole, the structure of bottom tray can realize connecting and can be connected to dismantling of scraper bowl, can dismantle the connection can fix the scraper bowl on the tray of bottom through the screw.

The utility model is further configured to: a plurality of sheet-shaped ridge plates are arranged above the bottom tray, and a plurality of round holes are formed in the ridge plate between every two adjacent bottom trays; a connecting shaft is arranged between the round holes; the lower surface of the bottom tray is provided with a hook-shaped fixing piece; and a connecting piece hooked with the fixing piece is arranged on the bucket.

By adopting the technical scheme: the ridge plate can play a role in reinforcement, and the connecting shaft is fixedly connected to the round hole and can be integrally arranged, so that the effect of strengthening the overall strength is achieved; the structure of mounting is the J style of calligraphy, and the connecting piece includes two waist boards and fixes the round bar on waist board, and at the scraper bowl connected process, the round bar realizes initial connection and fixed with the mounting lock joint, then utilizes the further fixed connection of screw.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic view of a bucket structure according to the present embodiment;

FIG. 3 is a schematic view of a bucket structure according to the present embodiment;

FIG. 4 is a schematic structural view of a hydraulic clamp according to the present embodiment;

FIG. 5 is a schematic structural view of the hydraulic clamp of the present embodiment;

fig. 6 is a schematic structural view of the hydraulic clamp of the present embodiment.

Reference numerals: 1. a bucket; 2. a support pillar; 3. the upper part of the rotating shaft; 4. the lower part of the rotating shaft; 5. a bracket; 6. a chuck transmission rod; 7. connecting blocks; 8. gold plating in the clamp; 9. performing metal plate outside the clamp; 10. an inner splint; 11. a fixed shaft; 12. an outer splint; 13. a hydraulic lever; 14. a lever; 15. two-sided chuck plates; 16. an arc-shaped plate; 17. a chuck block; 18. a clamping plate; 19. anti-skid stripes; 20. an arc-shaped notch; 21. a hook portion; 22. a support plate; 23. a strip plate; 24. a top plate; 25. a connecting plate; 26. a circular through hole; 27. a screw; 28. a abdication gap; 29. a tripod; 30. connecting columns; 31. a bottom tray; 32. a spine panel; 33. a circular hole; 34. a connecting shaft; 35. a fixing member; 36. a waist-shaped plate; 37. a round bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a sleeper changer, as shown in fig. 1 to 6, which has the beneficial effects of facilitating the operation of driving equipment, such as an excavator and the like, and changing sleepers; the hydraulic shovel comprises a frame body arranged on a driving device, hydraulic tongs connected to the frame body and a shovel 1, wherein the hydraulic tongs are positioned between the shovel 1 and the driving device (not shown in the figure); the frame body comprises a support column 2; the lower end of the support column 2 is connected with a rotating shaft; the rotating shaft comprises a rotating shaft upper part 3 and a rotating shaft lower part 4 which rotate mutually; the lower part 4 of the rotating shaft is fixedly connected with a bracket 5; and clamping parts which are arranged oppositely in pairs are arranged below the bracket 5.

By adopting the technical scheme: in the using process, the scraper bucket 1 is driven to remove stones and sundries around the sleeper through the connection of the existing frame body and the force arm of the excavator, then the sleeper is clamped and removed by using hydraulic tongs, and the replacement of the sleeper is realized, wherein the frame body structure is matched with the driving equipment and is of the existing structure; the hydraulic clamp has a function of grabbing the sleepers, and the bucket 1 has a function of cleaning the periphery of the rail; in the specific structural arrangement, the hydraulic tongs can realize autorotation under the action of the rotating shaft, so that the sleepers can be conveniently rotated after being clamped and fixed, and the sleepers can be taken out and sent in from the lower part of the track; the structure of the rotating shaft is the existing structure, and the bucket 1 and the hydraulic tongs can be driven under the condition of the same machine and the same machine operator through the combination of the hydraulic tongs and the bucket 1; the structure of hydraulic tong includes clamping part and bracket 5, and bracket 5 connects the clamping part, and two clamping parts are realized closing the centre gripping and are separated through the promotion and the shrink of hydraulic stem 13 between the two.

The clamping part comprises two chuck transmission rods 6; two connecting blocks 7 are fixedly arranged on the peripheral surface of the chuck transmission rod 6; the end part of the chuck transmission rod 6 is fixedly connected with a clamp inner wrenching bar 8; two clamp external wrenches 9 are also arranged to connect the ends of the two chuck transmission rods 6; the chuck transmission rod 6 is also provided with two inner clamping plates 10; the inner clamping plate 10 is fixedly connected with an outer clamping plate 12 through a fixed shaft 11; one end of a hydraulic rod 13 is also rotatably connected between the inner clamping plates 10; the other end of the hydraulic rod 13 is rotatably connected with the inner clamping plate 10 on the other chuck transmission rod 6.

By adopting the technical scheme: the rotary connection mode is realized mainly through a pin shaft, the two clamping parts are respectively provided with a chuck transmission rod 6, the two chuck transmission rods 6 are matched, the connecting blocks 7 on the two chuck transmission rods 6 are connected through two levers 14, when the chuck transmission rods rotate, the positions of the levers 14 are changed, the lower inner clamping plate 10 and the lower outer clamping plate 12 are folded or separated to realize the clamping of the sleeper, the hydraulic rods 13 mainly drive the two chuck transmission rods 6 to rotate, the hydraulic rods 13 stretch out and draw back to realize the pushing of the clamping parts connected with the two ends of the hydraulic rods 13, the two clamping parts are separated or drawn together, and the stretching of the hydraulic rods 13 is mainly controlled through electromagnetic valves; in the process, the chuck transmission rod 6 rotates, the position of the connecting block 7 is changed, the position of the lever 14 is changed, and the lever 14 plays a role in preventing the clamping parts from being excessively separated; the clamping head transmission rod 6 has the advantages that the supporting and protecting effects are achieved, when the two clamping parts are in the opening state, the connecting block 7 of one clamping head transmission rod 6 faces upwards, the connecting block 7 of the other clamping head transmission rod 6 faces downwards, and after the clamping head transmission rod 6 rotates to a certain angle, the lever 14 can be limited by the clamping head transmission rod 6 to prevent excessive rotation.

A lever 14 is rotatably connected to the connecting block 7; two-sided chuck plates 15 are rotatably arranged between the inner splint 10 and the outer splint 12; the two-sided chuck plate 15 is positioned below the fixed shaft 11; the two-sided chuck plate 15 comprises an arc-shaped plate 16 positioned above and a chuck block 17 which is integrally connected with the arc-shaped plate 16 and penetrates through a gap between the inner clamp plate 10 and the outer clamp plate 12; a pin shaft is fixedly arranged between the inner splint 10 and the outer splint 12; the chuck block 17 is in running fit with the pin shaft; the two end faces of the chuck block 17 are also integrally provided with clamping plates 18; the clamping plate 18 is laterally spaced apart from the lateral sides of the inner clamping plate 10 and the outer clamping plate 12.

By adopting the technical scheme: the connecting mode of the lever 14 and the connecting block 7 is a rotating connection, the connection is realized through the existing pin shaft structure, the inner clamping plate 10 and the chuck transmission rod 6 are integrally arranged, and when the chuck transmission rod 6 rotates, the inner clamping plate 10 and the outer clamping plate 12 fixedly connected with the inner clamping plate 10 can be driven to rotate for a certain angle, so that the clamping of the sleeper is realized; the two-sided head plates 15 can clamp and abut the lateral surfaces of the sleeper when the sleeper is clamped, and abrasion of the inner clamping plate 10 and the outer clamping plate 12 of the sleeper after repeated use is prevented.

The surface of the clamping plate 18 departing from the clamping head block 17 is provided with anti-skid stripes 19; an arc-shaped notch 20 is formed in the position, corresponding to the pin shaft, of the arc-shaped plate 16, and after the chuck block 17 rotates relative to the pin shaft, the arc-shaped notch 20 abuts against the outer peripheral surface of the pin shaft to limit the position; the ends of the inner and

outer clamping plates

10 and 12 are provided with hooks 21.

By adopting the technical scheme: the anti-slip strip-shaped clamp realizes firm clamping of a sleeper, the arc-shaped notch 20 can play a certain abdicating role in clamping, the clamp block 17 can rotate by a certain angle relative to the pin shaft in an initial state, the contact arrangement is realized, after the sleeper is clamped, the clamp plate 18 can be separated from the sleeper and tightly attached to the side face of the sleeper in clamping, because when the sleeper is loosened, the whole clamping part is in an open state, the clamp block 17 has the tendency of recovering balance and the initial state under the action of gravity, so that the sleeper is conveniently separated, the hook-shaped part 21 is arranged, the sleeper can be clamped, the hook-shaped parts 21 of the clamping parts are folded oppositely, and the clamping can be realized from the lower part.

The bracket 5 comprises a supporting plate 22 which is a strip-shaped plate 23 positioned at two sides below the supporting plate 22; the strip-shaped plate 23 extends downwards and is positioned between the two chuck transmission rods 6, and the side surface of the strip-shaped plate 23 is abutted against the opposite surfaces of the two clamp outer wrenches 9; the supporting plate 22 is fixedly connected with the lower part 4 of the rotating shaft; the lower end of the strip-shaped plate 23 is detachably connected with a top plate 24.

The hydraulic rod 13 passes through the two strip-shaped plates 23; connecting plates 25 are arranged on two sides of the upper surface of the top plate 24; the connecting plate 25 is provided with a plurality of circular through holes 26; the lower end of the strip-shaped plate 23 is provided with two connecting through holes opposite to the circular through hole 26; a screw 27 is also provided to pass through the circular through hole 26 and the connecting through hole to connect with the nut.

By adopting the technical scheme: the support plate 22 and the strip-shaped plate 23 are vertically arranged, and the strip-shaped plate 23 is positioned between the two chuck rotating rods and is opposite to the clamp external wrenching metal 9, so that the rotation of the chuck rotating rods cannot be blocked; roof 24 and strip shaped plate 23 are connected, through the structural setting of connecting plate 25, can realize the change of roof 24 upper and lower position, and the change of position is mainly that screw 27 is connected with the circular through-hole 26 of different positions, and roof 24 can realize the spacing butt to the sleeper upper surface, and roof 24's position can change to be suitable for the sleeper of co-altitude not, have the wide beneficial effect of application scope

The number of the buckets 1 is three; an abdicating notch 28 for abdicating the railway track is formed between the buckets 1; the frame body also comprises a tripod 29 which is vertical to the support column 2; the tripod 29 is integrally connected with a connecting column 30; the connecting column 30 is integrally connected with three bottom trays 31 which are detachably connected with the bucket 1.

By adopting the technical scheme: scraper bowl 1 is provided with threely, when excavator drive scraper bowl 1 removes stone and debris around the sleeper, can avoid the track, sets up the structure of scraper bowl 1 into threely, for current setting, does not have much in this application repeated, and tripod 29, spliced pole 30, the structure of bottom tray can realize connecting and can be connected to the dismantlement of scraper bowl 1, can dismantle the connection and can fix scraper bowl 1 on the bottom tray through screw 27.

A plurality of sheet-shaped ridge plates 32 are arranged above the bottom tray 31, and a plurality of round holes 33 are arranged on the ridge plate 32 between every two adjacent bottom trays 31; a connecting shaft 34 is arranged between the round holes 33; the lower surface of the bottom tray 31 is provided with a hook-shaped fixing piece 35; the bucket 1 is provided with a coupling member to be hooked with the fixing member 35.

By adopting the technical scheme: the ridge plate 32 can play a role in reinforcement, and the connecting shaft 34 is fixedly connected to the round hole 33 and can be integrally arranged, so that the effect of strengthening the overall strength is achieved; the fixing member 35 is J-shaped, and the connecting member includes two waist-shaped plates 36 and a round bar 37 fixed on the waist-shaped plates 36, and during the connection of the bucket 1, the round bar 37 is fastened with the fixing member 35 to realize preliminary connection and fixation, and then further fixed and connected by using the screw 27.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a sleeper replacer, is including installing support body on drive arrangement, connecting hydraulic tong and scraper bowl (1) on the support body, its characterized in that: the hydraulic clamp is positioned between the bucket (1) and the driving equipment; the frame body comprises a support column (2); the lower end of the support column (2) is connected with a rotating shaft; the rotating shaft comprises a rotating shaft upper part (3) and a rotating shaft lower part (4) which rotate mutually; the lower part (4) of the rotating shaft is fixedly connected with a bracket (5); and clamping parts which are arranged in pairs in an opposite manner are arranged below the bracket (5).

2. The tie changer of claim 1, wherein: the clamping part comprises two chuck transmission rods (6); two connecting blocks (7) are fixedly arranged on the peripheral surface of the chuck transmission rod (6); the end part of the chuck transmission rod (6) is fixedly connected with a clamp inner wrenching metal (8); two clamp external wrenches (9) are also arranged to connect the ends of the two chuck transmission rods (6); the chuck transmission rod (6) is also provided with two inner clamping plates (10); the inner clamping plate (10) is fixedly connected with an outer clamping plate (12) through a fixed shaft (11); one end of a hydraulic rod (13) is also rotatably connected between the inner clamping plates (10); the other end of the hydraulic rod (13) is rotationally connected with an inner clamping plate (10) on the other chuck transmission rod (6).

3. The tie changer of claim 2, wherein: a lever (14) is rotatably connected to the connecting block (7); two side chuck plates (15) are rotatably arranged between the inner splint (10) and the outer splint (12); the two-side chuck plate (15) is positioned below the fixed shaft (11); the two-side chuck plate (15) comprises an arc-shaped plate (16) positioned above and a chuck block (17) which is integrally connected with the arc-shaped plate (16) and penetrates through a gap between the inner chuck plate (10) and the outer chuck plate (12); a pin shaft is fixedly arranged between the inner clamping plate (10) and the outer clamping plate (12); the clamping head block (17) is in running fit with the pin shaft; the two end faces of the chuck block (17) are also integrally provided with a clamping plate (18); the side surface of the clamping plate (18) is arranged separately from the side surfaces of the inner clamping plate (10) and the outer clamping plate (12).

4. The tie changer of claim 3, wherein: the surface of the clamping plate (18) departing from the clamping head block (17) is provided with anti-skid stripes (19); an arc-shaped notch (20) is formed in the position, corresponding to the pin shaft, of the arc-shaped plate (16), and when the chuck block (17) rotates relative to the pin shaft, the arc-shaped notch (20) abuts against the outer peripheral surface of the pin shaft to limit the position; the end parts of the inner clamping plate (10) and the outer clamping plate (12) are provided with hook-shaped parts (21).

5. The tie changer of claim 4, wherein: the bracket (5) comprises a support plate (22) which is a strip-shaped plate (23) positioned on two sides below the support plate (22); the strip-shaped plate (23) extends downwards to be positioned between the two chuck transmission rods (6), and the side surface of the strip-shaped plate (23) is abutted against the opposite surfaces of the two clamp outer wrenching metals (9); the supporting plate (22) is fixedly connected with the lower part (4) of the rotating shaft; the lower end of the strip-shaped plate (23) is detachably connected with a top plate (24).

6. The tie changer of claim 5, wherein: the hydraulic rod (13) penetrates between the two strip-shaped plates (23); connecting plates (25) are arranged on two sides of the upper surface of the top plate (24); a plurality of circular through holes (26) are formed in the connecting plate (25); the lower end of the strip-shaped plate (23) is provided with two connecting through holes opposite to the circular through hole (26); a screw (27) is also arranged to pass through the circular through hole (26) and the connecting through hole to be connected with the nut.

7. The tie changer of claim 6, wherein: the number of the buckets (1) is three; an abdication gap (28) for abdicating the railway track is formed between the buckets (1); the rack body also comprises a tripod (29) vertical to the support column (2); the tripod (29) is integrally connected with a connecting column (30); the connecting column (30) is integrally connected with three bottom trays (31) which are detachably connected with the bucket (1).

8. The tie changer of claim 7, wherein: a plurality of sheet-shaped ridge plates (32) are arranged above the bottom tray (31), and a plurality of round holes (33) are arranged on the ridge plate (32) between every two adjacent bottom trays (31); a connecting shaft (34) is arranged between the round holes (33); the lower surface of the bottom tray (31) is provided with a hook-shaped fixing piece (35); and a connecting piece hooked with the fixing piece (35) is arranged on the bucket (1).