A convenient transport device for sleepers used in railway construction

Abstract

The present invention relates to the technical field of railway construction, and specifically to a convenient transport device for rail sleepers for railway construction, comprising a transport vehicle, a positioning mechanism, a gantry, a first screw slide, a linkage plate, a turntable, a support column, a cross arm, a clamping mechanism and two cross rails, wherein the two cross rails are symmetrically arranged on the outer wall of the transport vehicle, the positioning mechanism is installed at the bottom of the transport vehicle, the gantry is slidably installed on the two cross rails, the first screw slide is horizontally arranged at the top edge of the transport vehicle, the linkage plate is installed on the moving end of the first screw slide, the turntable is rotatably installed on the top of the gantry, and a driving component for driving the turntable to rotate is provided on the top of the gantry, the support column is vertically arranged on the top of the turntable, the cross arm is horizontally arranged on the top of the support column, the clamping mechanism is installed on the cross arm, and the clamping mechanism is used to clamp the rail sleeper. The present invention prevents the rail sleeper from tilting and falling and injuring people.

Description

Technical Field

[0001] The invention relates to the technical field of railway construction, in particular to a convenient transport device for sleepers used in railway construction. Background Art

[0002] At present, the domestic railway transportation is developing vigorously, which makes people more and more dependent on railways. This also reflects that people have higher requirements for the construction of transportation. However, the construction of railway transportation is extremely labor-intensive and material-intensive. Sleepers are indispensable building materials for railway construction, so the staff has a great demand for them. Its transportation and handling is also a very heavy task. Therefore, the requirements for the handling tools of sleepers are very high.

[0003] A Chinese invention patent with announcement number CN116281579A discloses a sleeper transport device for railway construction, including a mobile cart, sliding support mechanisms are arranged on both sides of the mobile cart, and a clamping suspension mechanism is arranged on the sliding support mechanism, the sliding support mechanism is used to drive the clamping suspension mechanism to slide horizontally on the upper surface of the mobile cart, the clamping suspension mechanism is used to clamp and suspend the discarded sleepers on both sides of the railway track and transfer them to the mobile cart, the mobile cart is provided with a positioning clamping mechanism, the positioning clamping mechanism is used to position and prevent the sleepers stacked on the mobile cart from slipping; the invention enables the discarded sleepers generated after the construction of the railway track to be quickly and safely transported from the side of the track for construction, thereby facilitating the construction personnel to quickly replace the sleepers on the railway track.

[0004] However, the above patent still has the following shortcomings in actual use: first, once the sleeper of the patent tilts during the movement, the mechanical clamp cannot keep the sleeper clamped, and the sleeper will fall and easily injure people; second, since the height of the side plates of the patent is limited, once the height of the stacked sleepers exceeds the side plates, it will affect the positioning of the sleepers higher than the side plates. Summary of the invention

[0005] The object of the present invention is to provide a convenient transport device for sleepers for railway construction, so as to solve the problems raised in the above background technology that once the sleepers are tilted, the clamping of the sleepers cannot be maintained, the sleepers will fall and easily injure people, and the height of the sleepers exceeds the side plates, affecting the positioning of the sleepers higher than the side plates.

[0006] The technical solution of the present invention is:

[0007] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0008] Furthermore, the clamping mechanism includes a second screw slide, a movable frame, a multi-stage hydraulic push rod, a cross plate, a double-headed hydraulic push rod, two clamping blocks and two clamping assemblies, the second screw slide is horizontally arranged at the top of the cross arm, the movable frame is installed on the movable end of the second screw slide, the multi-stage hydraulic push rod is vertically arranged at the bottom of the movable frame, the cross plate is installed on the output end of the multi-stage hydraulic push rod, the two clamping blocks are symmetrically arranged at the bottom of the cross plate, and the top ends of the two clamping blocks are slidably matched with the bottom of the cross plate, the double-headed hydraulic push rod is horizontally arranged at the bottom of the cross plate, and the two output ends of the double-headed hydraulic push rod are respectively connected to the two clamping blocks, and the two clamping assemblies are symmetrically arranged at the bottom of the two clamping blocks.

[0009] Furthermore, the clamping assembly includes an L-shaped block, a lower pressure block, a locking component and two springs, the L-shaped block is installed at the bottom of the clamping block, a receiving groove is opened at the bottom end of the L-shaped block, the lower pressure block is slidably installed on the receiving groove, and the top end of the lower pressure block extends to the outside of the receiving groove, the two springs are symmetrically arranged at the bottom end of the receiving groove, and the top ends of the two springs are connected to the bottom of the lower pressure block, hydraulic oil is provided in the receiving groove, the locking component is installed on the outer wall of the L-shaped block, and the locking component is communicated with the receiving groove.

[0010] Furthermore, the jamming component includes a jamming block, a supporting frame, a pushing cylinder, a piston, a pushing rod and a connecting tube. The jamming block is slidably mounted on the outer wall of the L-shaped block, and one end of the jamming block extends to the inner wall of the L-shaped block. The supporting frame is horizontally arranged on the outer wall of the L-shaped block, the pushing cylinder is horizontally arranged on the top of the supporting frame, the piston is slidably mounted in the pushing cylinder, the tail end of the pushing rod is connected to the piston, the head end of the pushing rod is connected to the jamming block, and the two ends of the connecting tube are respectively connected to the pushing cylinder and the accommodating groove.

[0011] Furthermore, the driving assembly includes a rotating shaft, a rotating gear, a reinforcement frame, a driving motor and a driving gear. The rotating shaft is rotatably installed on the top of the gantry, and the top of the rotating shaft is connected to the bottom of the turntable. The rotating gear is installed on the bottom of the rotating shaft. The reinforcement frame is set on the inner top of the gantry, and the driving motor is vertically set on the outer wall of the reinforcement frame. The driving gear is installed on the output shaft of the driving motor, and the driving gear is meshed with the rotating gear.

[0012] Furthermore, the positioning mechanism includes a vertical frame, an adjusting motor, an adjusting gear, two positioning plates, two adjusting frames, two adjusting racks and two lifting assemblies. The two positioning plates are symmetrically arranged on the top of the transport cart, and the bottom ends of the two positioning plates are slidably matched with the top of the transport cart. The top ends of the two adjusting frames are respectively connected to the bottoms of the two positioning plates, and the bottom ends of the two adjusting frames extend through through slots to the bottom of the transport cart. The two adjusting racks are horizontally arranged at the bottom ends of the two adjusting frames. The vertical frame is arranged at the bottom of the transport cart, and the adjusting motor is vertically arranged on the outer wall of the vertical frame. The adjusting gear is installed on the output shaft of the adjusting motor, and the two sides of the adjusting gear are respectively meshed with the two adjusting racks, and the two lifting assemblies are symmetrically arranged on the two positioning plates.

[0013] Furthermore, the lifting assembly includes a lifting plate, a lifting rack and a lifting component. The lifting plate is slidably mounted on the positioning plate, and the inner wall of the lifting plate is coplanar with the inner wall of the positioning plate. A vertical groove is provided on the outer wall of the lifting plate, and the lifting rack is vertically arranged in the vertical groove. The lifting component is installed on the top outer wall of the positioning plate, and the lifting component is used to drive the lifting plate to lift and lower.

[0014] Furthermore, the lifting component includes a lifting seat, a lifting shaft, a lifting gear and a lifting motor. The lifting seat is installed on the top outer wall of the positioning plate, the lifting shaft is rotatably installed on the lifting seat, the lifting gear is installed on the lifting shaft, and the lifting gear is meshed with the lifting rack. The lifting motor is horizontally arranged on the outer wall of the lifting seat, and the output shaft of the lifting motor is connected to the lifting shaft.

[0015] Furthermore, a tripod is provided on the outer wall of the support column, and the top of the tripod is connected to the bottom of the cross arm.

[0016] Furthermore, four load-bearing wheels are arranged at the bottom of the transport vehicle.

[0017] The present invention provides a convenient transport device for sleepers for railway construction through improvement, which has the following improvements and advantages compared with the prior art:

[0018] First, when the top end of the lower pressing block of the present invention clamps the sleeper, the lower pressing block is pressed by the gravity of the sleeper to move downward in the accommodating groove, and the lower pressing block allows the hydraulic oil in the accommodating groove to enter the pushing cylinder through the connecting pipe. The hydraulic oil in the pushing cylinder pushes the piston and the pushing rod to move, and the pushing rod drives the locking block to move to the top end of the sleeper. The locking block locks the top end of the sleeper to prevent the sleeper from tilting and falling and injuring people.

[0019] Second: the present invention drives the adjusting gear to rotate through the operation of the adjusting motor, and the adjusting gear drives two adjusting racks to move. The two adjusting racks use two adjusting frames to drive two positioning plates to move closer to each other. The two positioning plates move closer to each other to position and limit the sleepers stacked on the top of the transport vehicle. When the two lifting components are operated, their height is adjusted to be higher than the height of the stacked sleepers, which will not affect the positioning of the sleepers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ;

[0023] Figure 3 The three-dimensional structure of the present invention is shown in FIG. Figure 3 ;

[0024] Figure 4 It is a schematic diagram of the local three-dimensional structure of the present invention Figure 1 ;

[0025] Figure 5 It is a schematic diagram of the local three-dimensional structure of the present invention Figure 2 ;

[0026] Figure 6 is a partial cross-sectional view of the present invention;

[0027] Figure 7 The three-dimensional structure diagram of the positioning mechanism of the present invention is shown in FIG. Figure 1 ;

[0028] Figure 8 The three-dimensional structure diagram of the positioning mechanism of the present invention is shown in FIG. Figure 2 ;

[0029] Fig. 9 It is a schematic diagram of the local three-dimensional structure of the present invention Figure 3 .

[0030] Description of reference numerals:

[0031] Transport vehicle 1, through slot 11, load-bearing wheel 12, positioning mechanism 2, vertical frame 21, adjusting motor 22, adjusting gear 23, positioning plate 24, adjusting frame 25, adjusting rack 26, lifting assembly 27, lifting plate 271, lifting rack 272, lifting component 273, vertical slot 274, lifting seat 275, lifting shaft 276, lifting gear 277, lifting motor 278, gantry 3, first screw slide 4, linkage plate 41, turntable 5, support column 51, tripod 52, cross arm 6, clamping mechanism 7, The second screw slide 71, the moving frame 72, the multi-stage hydraulic push rod 73, the cross plate 74, the double-headed hydraulic push rod 75, the clamping block 76, the clamping assembly 77, the L-shaped block 771, the pressing block 772, the locking component 773, the spring 774, the accommodating groove 775, the locking block 776, the supporting frame 777, the pushing cylinder 778, the piston 779, the pushing rod 7791, the connecting pipe 7792, the cross rail 8, the driving assembly 9, the rotating shaft 91, the rotating gear 92, the reinforcement frame 93, the driving motor 94, and the driving gear 95. DETAILED DESCRIPTION

[0032] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The present invention provides a convenient transport device for sleepers used in railway construction through improvement. Figure 1-Figure 9As shown, it includes a transport vehicle 1, a positioning mechanism 2, a gantry 3, a first screw slide 4, a linkage plate 41, a turntable 5, a support column 51, a cross arm 6, a clamping mechanism 7 and two cross rails 8. A through slot 11 is provided in the middle of the transport vehicle 1, and the two cross rails 8 are symmetrically arranged on the outer wall of the transport vehicle 1. The positioning mechanism 2 is installed at the bottom of the transport vehicle 1, and the top of the positioning mechanism 2 passes through the through slot 11 and extends to the top of the transport vehicle 1. The gantry 3 is slidably installed on the two cross rails 8, the first screw slide 4 is horizontally arranged at the top edge of the transport vehicle 1, the linkage plate 41 is installed on the moving end of the first screw slide 4, and the linkage plate 41 is connected to the bottom end of the gantry 3, the turntable 5 is rotatably installed on the top of the gantry 3, and the top of the gantry 3 is provided with a driving component 9 for driving the turntable 5 to rotate, the support column 51 is vertically arranged on the top of the turntable 5, the cross arm 6 is horizontally arranged on the top of the support column 51, the clamping mechanism 7 is installed on the cross arm 6, and the clamping mechanism 7 is used to The sleeper is clamped; the turntable 5 and the cross arm 6 are driven to rotate by the driving component 9, and the cross arm 6 drives the clamping mechanism 7 to rotate above the sleeper, and then the clamping mechanism 7 clamps the sleeper. After clamping, the clamping mechanism 7 drives the sleeper to move upward for a certain distance, and then the driving component 9 continues to work to drive the cross arm 6 to reset to a state parallel to the transport vehicle 1. The first screw slide 4 uses the linkage plate 41 to drive the gantry 3 to move on the two cross rails 8, and the gantry 3 drives the sleepers in the clamping mechanism 7 to move to the top of the transport vehicle 1, and the clamping mechanism 7 cancels the clamping of the sleepers, and the sleepers are stacked on the top of the transport vehicle 1. Finally, the positioning mechanism 2 works to position and limit the sleepers stacked on the top of the transport vehicle 1. The clamping end in the clamping mechanism 7 can automatically jam the top of the sleeper after clamping the sleeper to prevent the sleeper from tilting and causing the sleeper to fall and injure people. The height of the positioning mechanism 2 can be automatically adjusted to a height higher than the stacked sleeper, which will not affect the positioning of the sleeper.

[0034] Specifically, the clamping mechanism 7 includes a second screw slide 71, a moving frame 72, a multi-stage hydraulic push rod 73, a cross plate 74, a double-headed hydraulic push rod 75, two clamping blocks 76 and two clamping assemblies 77. The second screw slide 71 is horizontally arranged at the top of the cross arm 6, the moving frame 72 is installed on the moving end of the second screw slide 71, the multi-stage hydraulic push rod 73 is vertically arranged at the bottom of the moving frame 72, the cross plate 74 is installed on the output end of the multi-stage hydraulic push rod 73, the two clamping blocks 76 are symmetrically arranged at the bottom of the cross plate 74, and the top ends of the two clamping blocks 76 are slidably matched with the bottom of the cross plate 74, the double-headed hydraulic push rod 75 is horizontally arranged at the bottom of the cross plate 74, and the two output ends of the double-headed hydraulic push rod 75 are respectively It is connected to the two clamping blocks 76, and the two clamping assemblies 77 are symmetrically arranged at the bottom of the two clamping blocks 76; the multi-stage hydraulic push rod 73 drives the cross plate 74 and the two clamping assemblies 77 to rise and fall, so that the two clamping assemblies 77 can be lifted and lowered to a suitable position, and then the double-headed hydraulic push rod 75 drives the two clamping blocks 76 to move closer to each other, and the two clamping blocks 76 drive the two clamping assemblies 77 to move closer to each other, and the bottom ends of the two clamping assemblies 77 move closer to each other to clamp the sleepers, and finally the second screw slide 71 and the first screw slide 4 cooperate to facilitate the movement of the sleepers and stack them on the top of the transport vehicle 1. After clamping the sleepers, the clamping assembly 77 can automatically clamp the top of the sleepers to ensure safe operation.

[0035] Specifically, the clamping assembly 77 includes an L-shaped block 771, a pressing block 772, a locking component 773 and two springs 774. The L-shaped block 771 is installed at the bottom of the clamping block 76. A receiving groove 775 is provided at the bottom of the L-shaped block 771. The pressing block 772 is slidably installed on the receiving groove 775, and the top of the pressing block 772 extends to the outside of the receiving groove 775. The two springs 774 are symmetrically arranged at the bottom of the receiving groove 775, and the tops of the two springs 774 are connected to the bottom of the pressing block 772. 5 is provided with hydraulic oil, the locking component 773 is installed on the outer wall of the L-shaped block 771, and the locking component 773 is connected with the receiving groove 775; when the top of the lower pressing block 772 clamps the sleeper, the lower pressing block 772 is pressed by the gravity of the sleeper to move downward in the receiving groove 775, and the lower pressing block 772 squeezes the hydraulic oil in the receiving groove 775 into the locking component 773, and the hydraulic oil entering the locking component 773 drives it to work to lock and lock the top of the sleeper, ensuring that the sleeper will not fall during the movement.

[0036] Specifically, the locking component 773 includes a locking block 776, a support frame 777, a push cylinder 778, a piston 779, a push rod 7791 and a connecting pipe 7792. The locking block 776 is slidably mounted on the outer wall of the L-shaped block 771, and one end of the locking block 776 extends to the inner wall of the L-shaped block 771. The support frame 777 is horizontally arranged on the outer wall of the L-shaped block 771. The push cylinder 778 is horizontally arranged on the top of the support frame 777. The piston 779 is slidably mounted in the push cylinder 778. The tail end of the push rod 7791 is connected to the piston 779. The head end of the rod 7791 is connected to the locking block 776, and the two ends of the connecting pipe 7792 are respectively connected to the pushing cylinder 778 and the receiving groove 775; when the lower pressing block 772 moves downward in the receiving groove 775, the lower pressing block 772 drives the hydraulic oil to enter the pushing cylinder 778 through the connecting pipe 7792, and the hydraulic oil in the pushing cylinder 778 drives the piston 779 and the pushing rod 7791 to move, and the pushing rod 7791 drives the locking block 776 to move to the top of the sleeper, and the locking block 776 locks the top of the sleeper to prevent the sleeper from tilting and falling and injuring people.

[0037] Specifically, the driving assembly 9 includes a rotating shaft 91, a rotating gear 92, a reinforcement frame 93, a driving motor 94 and a driving gear 95. The rotating shaft 91 is rotatably installed at the top of the gantry 3, and the top of the rotating shaft 91 is connected to the bottom of the turntable 5, the rotating gear 92 is installed at the bottom of the rotating shaft 91, the reinforcement frame 93 is set at the inner top of the gantry 3, the driving motor 94 is vertically set on the outer wall of the reinforcement frame 93, the driving gear 95 is installed on the output shaft of the driving motor 94, and the driving gear 95 is meshed with the rotating gear 92; the driving motor 94 drives the driving gear 95 to rotate, the driving gear 95 uses the rotating gear 92 to drive the rotating shaft 91 to rotate, and the rotating shaft 91 drives the turntable 5 to rotate, so that the turntable 5 drives the cross arm 6 to rotate.

[0038] Specifically, the positioning mechanism 2 includes a vertical frame 21, an adjusting motor 22, an adjusting gear 23, two positioning plates 24, two adjusting frames 25, two adjusting racks 26 and two lifting assemblies 27. The two positioning plates 24 are symmetrically arranged on the top of the transport vehicle 1, and the bottom ends of the two positioning plates 24 are slidably matched with the top of the transport vehicle 1. The top ends of the two adjusting frames 25 are respectively connected to the bottoms of the two positioning plates 24. The bottom ends of the two adjusting frames 25 extend to the bottom of the transport vehicle 1 through the through slot 11. The two adjusting racks 26 are horizontally arranged at the bottom ends of the two adjusting frames 25. The vertical frame 21 is arranged at the bottom of the transport vehicle 1. The adjusting motor 22 is vertically arranged on the vertical frame On the outer wall of 21, the adjusting gear 23 is installed on the output shaft of the adjusting motor 22, and the two sides of the adjusting gear 23 are respectively meshed with two adjusting racks 26, and the two lifting components 27 are symmetrically arranged on the two positioning plates 24; the adjusting motor 22 drives the adjusting gear 23 to rotate, and the adjusting gear 23 drives the two adjusting racks 26 to move, and the two adjusting racks 26 use the two adjusting frames 25 to drive the two positioning plates 24 to move closer to each other, and the two positioning plates 24 approach each other to position and limit the sleepers stacked on the top of the transport vehicle 1, and the two lifting components 27 work to adjust their height to be higher than the height of the stacked sleepers, which will not affect the positioning of the sleepers.

[0039] Specifically, the lifting assembly 27 includes a lifting plate 271, a lifting rack 272 and a lifting component 273. The lifting plate 271 is slidably installed on the positioning plate 24, and the inner wall of the lifting plate 271 is coplanar with the inner wall of the positioning plate 24. A vertical groove 274 is provided on the outer wall of the lifting plate 271. The lifting rack 272 is vertically arranged in the vertical groove 274. The lifting component 273 is installed on the top outer wall of the positioning plate 24, and the lifting component 273 is used to drive the lifting plate 271 to lift and lower; the lifting rack 272 is used to drive the lifting plate 271 to lift and lower on the positioning plate 24 through the operation of the lifting component 273. The height of a plate body formed by the lifting plate 271 and the positioning plate 24 is higher than the height of the stacked sleepers.

[0040] Specifically, the lifting component 273 includes a lifting seat 275, a lifting shaft 276, a lifting gear 277 and a lifting motor 278. The lifting seat 275 is installed on the top outer wall of the positioning plate 24, the lifting shaft 276 is rotatably installed on the lifting seat 275, the lifting gear 277 is installed on the lifting shaft 276, and the lifting gear 277 is meshed with the lifting rack 272. The lifting motor 278 is horizontally arranged on the outer wall of the lifting seat 275, and the output shaft of the lifting motor 278 is connected to the lifting shaft 276; the lifting shaft 276 and the lifting gear 277 are driven to rotate by the lifting motor 278, and the lifting gear 277 uses the lifting rack 272 to drive the lifting plate 271 to be lifted and lowered on the positioning plate 24.

[0041] Specifically, a tripod 52 is provided on the outer wall of the support column 51 , and the top of the tripod 52 is connected to the bottom of the cross arm 6 ; the tripod 52 ensures the stability between the support column 51 and the cross arm 6 .

[0042] Specifically, four load-bearing wheels 12 are provided at the bottom of the transport vehicle 1; the four load-bearing wheels 12 facilitate the transport vehicle 1 to move at any time.

[0043] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A convenient rail sleeper transport device for railway construction, comprising a transport vehicle (1), a positioning mechanism (2), a gantry (3), a first screw slide (4), a linkage plate (41), a turntable (5), a support column (51), a cross arm (6), a clamping mechanism (7) and two cross rails (8), wherein a through slot (11) is provided in the middle of the transport vehicle (1), the two cross rails (8) are symmetrically arranged on the outer wall of the transport vehicle (1), the positioning mechanism (2) is installed at the bottom of the transport vehicle (1), and the top end of the positioning mechanism (2) passes through the through slot (11) and extends to the transport vehicle (1) ), the gantry (3) is slidably mounted on two cross rails (8), the first screw slide (4) is horizontally arranged at the top edge of the transport vehicle (1), the linkage plate (41) is mounted on the moving end of the first screw slide (4), and the linkage plate (41) is connected to the bottom end of the gantry (3), the turntable (5) is rotatably mounted on the top of the gantry (3), the top of the gantry (3) is provided with a driving component (9) for driving the turntable (5) to rotate, the support column (51) is vertically arranged on the top of the turntable (5), and the cross arm (6) is horizontally arranged The clamping mechanism (7) is mounted on the cross arm (6) and is used to clamp the sleeper; the clamping mechanism (7) comprises a second screw slide (71), a moving frame (72), a multi-stage hydraulic push rod (73), a cross plate (74), a double-headed hydraulic push rod (75), two clamping blocks (76) and two clamping assemblies (77); the second screw slide (71) is horizontally arranged on the top of the cross arm (6); the moving frame (72) is mounted on the moving end of the second screw slide (71); the multi-stage hydraulic push rod (73) is mounted on the cross arm (6); the double-headed hydraulic push rod (75) is mounted on the moving end of the second screw slide (71); the double-headed hydraulic push rod (75) is mounted on the cross arm (6 ... The rod (73) is vertically arranged at the bottom of the moving frame (72), the cross plate (74) is installed on the output end of the multi-stage hydraulic push rod (73), the two clamping blocks (76) are symmetrically arranged at the bottom of the cross plate (74), and the top ends of the two clamping blocks (76) are slidably matched with the bottom of the cross plate (74), the double-headed hydraulic push rod (75) is horizontally arranged at the bottom of the cross plate (74), and the two output ends of the double-headed hydraulic push rod (75) are respectively connected to the two clamping blocks (76), and the two clamping assemblies (77) are symmetrically arranged at the bottom of the two clamping blocks (76);The clamping assembly (77) comprises an L-shaped block (771), a lower pressing block (772), a locking component (773) and two springs (774); the L-shaped block (771) is mounted on the bottom of the clamping block (76); a receiving groove (775) is provided at the bottom end of the L-shaped block (771); the lower pressing block (772) is slidably mounted on the receiving groove (775), and the top end of the lower pressing block (772) extends to the outside of the receiving groove (775); the two springs (774) are symmetrically arranged at the bottom end of the receiving groove (775), and the top ends of the two springs (774) are connected to the bottom of the lower pressing block (772); hydraulic oil is provided in the receiving groove (775); the locking component (773) is mounted on the outer wall of the L-shaped block (771), and the locking component (773) is connected to the receiving groove (775); the locking component ( 773) comprises a stuck block (776), a bearing frame (777), a pushing cylinder (778), a piston (779), a pushing rod (7791) and a connecting pipe (7792), wherein the stuck block (776) is slidably mounted on the outer wall of the L-shaped block (771), and one end of the stuck block (776) extends to the inner wall of the L-shaped block (771), the bearing frame (777) is horizontally arranged on the outer wall of the L-shaped block (771), the pushing cylinder (778) is horizontally arranged on the top of the bearing frame (777), the piston (779) is slidably mounted in the pushing cylinder (778), the tail end of the pushing rod (7791) is connected to the piston (779), the head end of the pushing rod (7791) is connected to the stuck block (776), and the two ends of the connecting pipe (7792) are respectively connected to the pushing cylinder (778) and the containing groove (775). ; 2. A convenient transport device for sleepers for railway construction according to claim 1, characterized in that: The driving assembly (9) comprises a rotating shaft (91), a rotating gear (92), a reinforcement frame (93), a driving motor (94) and a driving gear (95); the rotating shaft (91) is rotatably mounted on the top of the gantry (3), and the top of the rotating shaft (91) is connected to the bottom of the turntable (5); the rotating gear (92) is mounted on the bottom of the rotating shaft (91); the reinforcement frame (93) is arranged on the top of the interior of the gantry (3); the driving motor (94) is vertically arranged on the outer wall of the reinforcement frame (93); the driving gear (95) is mounted on the output shaft of the driving motor (94), and the driving gear (95) is meshed with the rotating gear (92).

3. A convenient transport device for sleepers for railway construction according to claim 1, characterized in that: The positioning mechanism (2) comprises a vertical frame (21), an adjustment motor (22), an adjustment gear (23), two positioning plates (24), two adjustment frames (25), two adjustment racks (26) and two lifting assemblies (27), the two positioning plates (24) being symmetrically arranged on the top of the transport vehicle (1), and the bottom ends of the two positioning plates (24) are slidably matched with the top of the transport vehicle (1), the top ends of the two adjustment frames (25) are respectively connected to the bottom ends of the two positioning plates (24), and the bottom ends of the two adjustment frames (25) are penetrated The through slot (11) extends to the bottom of the transport vehicle (1), the two adjustment racks (26) are horizontally arranged at the bottom ends of the two adjustment frames (25), the vertical frame (21) is arranged at the bottom of the transport vehicle (1), the adjustment motor (22) is vertically arranged on the outer wall of the vertical frame (21), the adjustment gear (23) is installed on the output shaft of the adjustment motor (22), and the two sides of the adjustment gear (23) are respectively meshed with the two adjustment racks (26), and the two lifting assemblies (27) are symmetrically arranged on the two positioning plates (24).

4. A convenient transport device for sleepers for railway construction according to claim 3, characterized in that: The lifting assembly (27) comprises a lifting plate (271), a lifting rack (272) and a lifting component (273); the lifting plate (271) is slidably mounted on the positioning plate (24); the inner wall of the lifting plate (271) is coplanar with the inner wall of the positioning plate (24); a vertical groove (274) is provided on the outer wall of the lifting plate (271); the lifting rack (272) is vertically arranged in the vertical groove (274); the lifting component (273) is mounted on the outer wall of the top end of the positioning plate (24); and the lifting component (273) is used to drive the lifting plate (271) to move up and down.

5. A convenient transport device for sleepers for railway construction according to claim 4, characterized in that: The lifting component (273) comprises a lifting seat (275), a lifting shaft (276), a lifting gear (277) and a lifting motor (278); the lifting seat (275) is mounted on the top outer wall of the positioning plate (24); the lifting shaft (276) is rotatably mounted on the lifting seat (275); the lifting gear (277) is mounted on the lifting shaft (276), and the lifting gear (277) is meshed with the lifting rack (272); the lifting motor (278) is horizontally arranged on the outer wall of the lifting seat (275), and the output shaft of the lifting motor (278) is connected to the lifting shaft (276).

6. The portable transport device for rail sleepers for railway construction according to claim 1, characterized in that: A tripod (52) is provided on the outer wall of the support column (51), and the top end of the tripod (52) is connected to the bottom end of the cross arm (6).

7. The portable sleeper transport device for railway construction according to claim 1, characterized in that: Four load-bearing wheels (12) are arranged at the bottom of the transport vehicle (1).

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