Self-propelled track laying device

Abstract

A self-propelled track laying device is provided by connecting a column to the upper end of a longitudinal beam, a through hole is provided at the end of the longitudinal beam, and a moving track is connected to the bottom of the longitudinal beam; a lifting mechanism is fixedly connected to the column, and the upper end of the leg is connected to the bottom of the lifting mechanism, and the leg passes through the through hole of the longitudinal beam; a transverse mechanism is connected to the bottom of the leg, and the transverse mechanism includes a slide groove, and the top of the base is placed in the slide groove. The transverse mechanism moves laterally along the base through the slide groove, and a passage for accommodating the track is formed on the inner side of the base; the walking wheel group is fixed under the longitudinal beam, and the hook mechanism is connected to the moving track. The hook mechanism lifts the laid track, and the lifted track moves along the bottom of the walking wheel group and through the passage. This technical solution changes the traditional method of manually transporting the walking track to automatic track laying, reducing the number of operators and saving labor; the transverse mechanism realizes automatic turning of track laying; realizes free walking of the equipment on the track; realizes turning laying of the track and turning walking of the equipment.

Description

Technical Field

[0001] The invention relates to a self-propelled track laying device, belonging to the technical field of track laying. Background Art

[0002] At present, the walking mode of tunnel engineering and secondary lining engineering equipment is rail-type or step-by-step. The operation involved in this kind of technical solution requires manual laying of auxiliary facilities such as steel frames, tracks, sleepers, etc. in a narrow working environment, which has many problems such as complex installation, complicated operation process, large amount of labor consumption, long operation time, and potential safety hazards.

[0003] CN208380591U discloses an automatic rail-feeding tunnel hydraulic secondary lining trolley, which is provided with a template assembly, a frame assembly, an upper translation cylinder, an upper platform, a template support rod, a template cylinder, and a lower translation cylinder. A translation support system is arranged at the bottom of the frame assembly, and the frame assembly and the translation support system are connected with a lower translation cylinder. The upper platform is installed on the top of the frame assembly through an upper translation cylinder, and the peripheral side of the frame assembly is connected to the template assembly through a template support rod, and a template cylinder is also arranged between the template assembly and the frame assembly.

[0004] CN208858366U discloses a tunnel trolley step-by-step walking device, comprising: a bottom longitudinal beam of a trolley gantry, both ends of each bottom longitudinal beam are provided with a lifting cylinder, the lower part of the lifting cylinder base is installed on a translation slide, a double oil cylinder is provided at the middle part below each bottom longitudinal beam, the oil rods at both ends of the double oil cylinder are connected to a walking base through a pulley block, tracks are respectively provided at the lower part of the bottom longitudinal beams at both ends of the cylinder body of each double oil cylinder, and each walking base runs on its own track through a walking wheel.

[0005] CN110985062A discloses a tunnel trolley lateral centering mechanism driven by a hydraulic cylinder, comprising a trolley main support and a plurality of templates connected to the trolley main support through a lifting hydraulic mechanism and a translation hydraulic mechanism. The trolley main support comprises a bottom beam seat, a main support and a top cross beam. The bottom beam seat is provided with a pair of parallel bottom beam seats, rollers are provided between the lower surfaces of the bottom beam seats, a plurality of main support groups are provided on the two bottom beam seats, and a top cross beam is connected between the upper ends of each group of main support groups. The template comprises a first template and a second template. The first template is An arc-shaped plate body is arranged on the top, and the two ends of the first template are hinged with a second template in the shape of an arc plate through hinge ears. A transversely arranged supporting crossbeam is welded to the inner wall of the lower surface of the first template, and the two sides of the lower surface of the welded supporting crossbeam in the multiple groups of templates are fixedly connected by two supporting top beams, and the two sides of the upper surface of the top crossbeam are respectively connected to the two supporting top beams through a lifting hydraulic mechanism, the inner side walls of the second templates on the same side in the multiple groups of templates are connected and fixed by two supporting side beams, and a translation hydraulic mechanism is connected between the outer side wall of the main pillar and the supporting side beam.

[0006] The above solutions either make partial improvements on the traditional trolley structure or optimize some functions of the equipment. Although they save labor, there are still many problems such as complex installation, complicated operation procedures, long operation time, safety hazards, slow travel speed and low work efficiency. Summary of the invention

[0007] The purpose of the present invention is to provide a self-propelled track laying device to realize automatic track laying without manual or auxiliary mechanical track handling, so as to realize free walking of equipment on the track, laying of turning and walking of equipment in turning.

[0008] The technical solution of the present invention to solve the above technical problems is as follows: a self-propelled track laying device, including a column, a longitudinal beam, a lifting mechanism, a leg, a transverse mechanism, a base, a walking wheel set and a hook mechanism;

[0009] The column is connected to the upper end of the longitudinal beam, the end of the longitudinal beam is provided with a through opening, and the bottom of the longitudinal beam is connected to a moving track;

[0010] The lifting mechanism is fixedly connected to the column, the upper end of the support leg is connected to the bottom of the lifting mechanism, and the support leg passes through the opening of the longitudinal beam;

[0011] The transverse movement mechanism is connected to the bottom of the supporting leg, and the transverse movement mechanism includes a slide groove, and the top of the base is placed on the slide groove. The transverse movement mechanism moves laterally along the base through the slide groove, and a passage for accommodating the track is formed on the inner side of the base;

[0012] The traveling wheel set is fixed below the longitudinal beam, the hook mechanism is connected to the moving track, the hook mechanism lifts the laid track, and the lifted track moves along the bottom of the traveling wheel set and through the travel channel.

[0013] As a preferred solution of the self-propelled track laying device, the lateral dimension of the travel channel is greater than the cross-sectional width of the laid track; and the height of the travel channel is greater than the lifting height of the laid track.

[0014] As a preferred solution for the self-propelled track laying device, the transverse movement mechanism also includes a transverse movement seat and a transverse movement rod, and the transverse movement mechanism is connected to the bottom of the support leg through the transverse movement seat; the slide groove is fixed to the bottom of the transverse movement seat, the transverse movement rod passes through the transverse movement seat, the lower end of the transverse movement rod is connected to the base, and the upper end of the transverse movement rod is connected to the transverse movement seat.

[0015] As a preferred solution of the self-propelled track laying device, the interior of the transverse seat is connected with a transverse guide wheel, and the transverse guide wheel is located above the base; the transverse rod is located between the two transverse guide wheels.

[0016] As a preferred solution for the self-propelled track laying device, the walking wheel group includes a wheel group seat, a walking guide wheel and a walking drive wheel; the wheel group seat is fixed to the lower end of the longitudinal beam, the walking guide wheel and the walking drive wheel are connected to the wheel group seat, the walking guide wheel and the walking drive wheel are meshed, and the walking drive wheel is equipped with a walking drive mechanism, and the walking drive mechanism adopts an electric motor, a hydraulic motor or a pneumatic cylinder.

[0017] As a preferred solution of the self-propelled track laying device, the hook mechanism includes a hook driving vehicle, a connecting rod and a clamping claw; the hook driving vehicle is connected to the moving track, the upper end of the connecting rod is connected to the hook driving vehicle, and the bottom end of the connecting rod is connected to the clamping claw.

[0018] As a preferred solution for the self-propelled track laying device, each longitudinal beam is provided with two groups of the columns, lifting mechanisms, legs, transverse mechanisms, bases and running wheel groups, and the two groups of columns, lifting mechanisms, legs, transverse mechanisms, bases and running wheel groups are distributed at both ends of the longitudinal beams; each longitudinal beam is provided with two groups of hook mechanisms, and the hook mechanisms move on the moving track.

[0019] As a preferred solution of the self-propelled track laying device, when the self-propelled track laying device needs to move, the following actions are performed:

[0020] Action 1: Place the base on the ground, the hook mechanism clamps the track to be laid, and the lifting mechanism controls the entire self-propelled track laying device to move upward. When the track to be laid is lifted off the ground and suspended in the air, the walking wheel group rotates in the opposite direction of the track movement, driving the track to move to the preset position;

[0021] Action 2: The lifting mechanism controls the entire self-propelled track laying device to move downward. When the track touches the ground, the lifting mechanism continues to control the base to leave the ground and hang in the air, and the walking wheel group rotates in the positive direction of movement, driving the self-propelled track laying device to move to the preset position;

[0022] Repeat actions 1 and 2 to automatically lay the track and walk.

[0023] As a preferred solution of the self-propelled track laying device, when the self-propelled track laying device needs to turn, the following actions are performed:

[0024] Action 3: Place the base on the ground, the hook mechanism clamps the track to be laid, and the lifting mechanism controls the entire self-propelled track laying device to move upward. When the track rises to the point where it is suspended off the ground, the lateral movement mechanism moves horizontally to the turning position.

[0025] Action 4: The lifting mechanism controls the entire self-propelled track laying device to move downward until the track touches the ground;

[0026] Repeat actions three and four to carry out the turning laying of the track and the turning movement of the self-propelled track laying device.

[0027] The beneficial effects of the present invention are as follows: by connecting the column to the upper end of the longitudinal beam, the end of the longitudinal beam is provided with a through hole, and the bottom of the longitudinal beam is connected with a moving path; the lifting mechanism is fixedly connected to the column, the upper end of the leg is connected to the bottom of the lifting mechanism, and the leg passes through the through hole of the longitudinal beam; the transverse mechanism is connected to the bottom of the leg, the transverse mechanism includes a slide groove, the top of the base is placed in the slide groove, the transverse mechanism moves laterally along the base through the slide groove, and the inner side of the base forms a passage for accommodating the track; the walking wheel group is fixed under the longitudinal beam, the hook mechanism is connected to the moving path, the hook mechanism lifts the laid track, and the lifted track moves along the bottom of the walking wheel group and through the passage. This technical solution changes the traditional method of manually transporting the walking track to automatically laying the track, reducing the number of operators and saving labor; the transverse mechanism realizes automatic turning of track laying; realizes the free walking of the equipment on the track; realizes the turning laying of the track and the turning walking of the equipment; the entire operation process is simple, greatly saves labor, reduces the operation time, and has reliable safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0029] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0030] Figure 1 It is a structural schematic diagram of a self-propelled track laying device provided in an embodiment of the present invention;

[0031] Figure 2 A schematic structural diagram of a self-propelled track laying device from another perspective provided in an embodiment of the present invention;

[0032] Figure 3 A schematic diagram of a transverse movement mechanism of a self-propelled track laying device provided in an embodiment of the present invention;

[0033] Figure 4A schematic diagram of a transverse movement mechanism of a self-propelled track laying device provided in another perspective in an embodiment of the present invention;

[0034] Figure 5 A schematic diagram of a hook mechanism of a self-propelled track laying device provided in an embodiment of the present invention;

[0035] Figure 6 A schematic diagram of a hook mechanism of a self-propelled track laying device from another perspective provided in an embodiment of the present invention;

[0036] Figure 7 It is a schematic diagram of the combined structure of the base, the transverse movement mechanism, the lifting mechanism and the longitudinal beam of the self-propelled track laying device provided in an embodiment of the present invention;

[0037] Figure 8 It is a schematic diagram of a turn of the self-propelled track laying device provided in an embodiment of the present invention.

[0038] In the figure, 1. column; 2. longitudinal beam; 3. lifting mechanism; 4. outrigger; 5. transverse mechanism; 6. base; 7. walking wheel group; 8. hook mechanism; 9. through-hole; 10. moving way; 11. slide groove; 12. travel passage; 13. transverse seat; 14. transverse rod; 15. transverse guide wheel; 16. wheel group seat; 17. walking guide wheel; 18. walking drive wheel; 19. hook drive vehicle; 20. connecting rod; 21. clamping claw. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0041] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , a self-propelled track laying device is provided, comprising a column 1, a longitudinal beam 2, a lifting mechanism 3, a leg 4, a transverse mechanism 5, a base 6, a walking wheel set 7 and a hook mechanism 8;

[0042] The column 1 is connected to the upper end of the longitudinal beam 2, the end of the longitudinal beam 2 is provided with a through opening 9, and the bottom of the longitudinal beam 2 is connected to a moving track 10;

[0043] The lifting mechanism 3 is fixedly connected to the column 1, the upper end of the leg 4 is connected to the bottom of the lifting mechanism 3, and the leg 4 passes through the opening 9 of the longitudinal beam 2;

[0044] The transverse movement mechanism 5 is connected to the bottom of the support leg 4, and the transverse movement mechanism 5 includes a slide groove 11. The top of the base 6 is placed on the slide groove 11. The transverse movement mechanism 5 moves laterally along the base 6 through the slide groove 11. A passage 12 for accommodating the track is formed on the inner side of the base 6.

[0045] The traveling wheel set 7 is fixed below the longitudinal beam 2 , and the hook mechanism 8 is connected to the moving track 10 . The hook mechanism 8 lifts the laid track, and the lifted track moves along the bottom of the traveling wheel set 7 and through the travel channel 12 .

[0046] Specifically, each longitudinal beam 2 is provided with two groups of the columns 1, lifting mechanisms 3, legs 4, transverse mechanisms 5, bases 6 and walking wheel groups 7, and the two groups of columns 1, lifting mechanisms 3, legs 4, transverse mechanisms 5, bases 6 and walking wheel groups 7 are distributed at both ends of the longitudinal beam 2; each longitudinal beam 2 is provided with two groups of hook mechanisms 8, and the hook mechanisms 8 move on the moving path 10.

[0047] See also Figure 7 Specifically, the transverse dimension of the passage 12 is greater than the cross-sectional width of the laid track; the height of the passage 12 is greater than the lifting height of the laid track, thereby avoiding the influence of the base 6 on the lifting, running and other actions of the laid track.

[0048] See also Figure 3 and Figure 4 Specifically, the transverse mechanism 5 also includes a transverse seat 13 and a transverse rod 14. The transverse mechanism 5 is connected to the bottom of the support leg 4 through the transverse seat 13; the slide groove 11 is fixed to the bottom of the transverse seat 13, and the transverse rod 14 passes through the transverse seat 13. The lower end of the transverse rod 14 is connected to the base 6, and the upper end of the transverse rod 14 is connected to the transverse seat 13. The interior of the transverse seat 13 is connected with a transverse guide wheel 15, and the transverse guide wheel 15 is located above the base 6; the transverse rod 14 is located between the two transverse guide wheels 15. The transverse mechanism 5 serves as a driving mechanism for the transverse movement of the self-propelled track laying device. The base 6 can slide transversely in the slide groove 11, and the transverse mechanism 5 can drive the equipment to move transversely. The driving method can be any form of hydraulic, motor, pneumatic, manual propulsion, etc.

[0049] See also Figure 1 Specifically, the walking wheel set 7 includes a wheel set seat 16, a walking guide wheel 17 and a walking drive wheel 18; the wheel set seat 16 is fixed to the lower end of the longitudinal beam 2, the walking guide wheel 17 and the walking drive wheel 18 are connected to the wheel set seat 16, the walking guide wheel 17 and the walking drive wheel 18 are meshed, and the walking drive wheel 18 is equipped with a walking drive mechanism, which adopts an electric motor, a hydraulic motor or a pneumatic cylinder. The walking wheel set 7 serves as a driving mechanism for the longitudinal movement of the self-propelled track laying device, and plays a driving role in the movement of the track. The track contacts the walking guide wheel 17 of the walking wheel set 7, and cooperates with the hook mechanism 8 under the action of friction to make the track move.

[0050] See also Figure 5 and Figure 6 Specifically, the hook mechanism 8 includes a hook driving vehicle 19, a connecting rod 20 and a clamping claw 21; the hook driving vehicle 19 is connected to the moving track 10, the upper end of the connecting rod 20 is connected to the hook driving vehicle 19, and the lower end of the connecting rod 20 is connected to the clamping claw 21. The hook driving vehicle 19 of the hook mechanism 8 is connected to the longitudinal beam 2. The hook mechanism 8, as a moving mechanism of the track, can lift the track off the ground and drive the track to move longitudinally. The connecting rod 20 is a threaded screw rod, which can move and adjust the position of the clamping claw 21. The clamping claw 21 can be opened or closed and can move up and down through the connecting rod 20. The bayonet of the clamping claw 21 clamps the track and moves along the longitudinal beam 2 through the hook driving vehicle 19.

[0051] Specifically, through the technical solution of the present invention, when the self-propelled track laying device needs to move, the following actions are performed:

[0052] Action 1: Stand the base 6 on the ground, the hook mechanism 8 clamps the track to be laid, and the lifting mechanism 3 controls the entire self-propelled track laying device to move upward. When the track to be laid is lifted up to the ground and suspended in the air, the running wheel set 7 rotates in the opposite direction of the track movement direction, driving the track to move to a preset position;

[0053] Action 2: The lifting mechanism 3 controls the entire self-propelled track laying device to move downward. When the track touches the ground, the lifting mechanism 3 continues to control the base 6 to leave the ground and hang in the air, and the walking wheel group 7 rotates in the positive direction of the movement, driving the self-propelled track laying device to move to the preset position;

[0054] Repeat actions 1 and 2 to automatically lay the track and walk.

[0055] Specifically, through the technical solution of the present invention, when the self-propelled track laying device needs to turn, the following actions are performed:

[0056] Action 3: Stand the base 6 on the ground, the hook mechanism 8 clamps the track to be laid, and the lifting mechanism 3 controls the entire self-propelled track laying device to move upward. When the track rises to the ground and is suspended in the air, the lateral movement mechanism 5 moves horizontally to the turning position;

[0057] Action 4: the lifting mechanism 3 controls the entire self-propelled track laying device to move downward until the track touches the ground;

[0058] Repeat actions three and four to carry out the turning laying of the track and the turning movement of the self-propelled track laying device.

[0059] See also Figure 8 It should be noted that the turning mentioned in the embodiment of the present invention, that is, the turning of track laying is a slow turning process, similar to a train track, and is not a turning in a large angle range. Therefore, the present invention can realize the turning action of track laying through the lateral movement of the lateral movement mechanism 5.

[0060] The present invention connects the column 1 to the upper end of the longitudinal beam 2, the end of the longitudinal beam 2 is provided with a through hole 9, and the bottom of the longitudinal beam 2 is connected to a moving path 10; the lifting mechanism 3 is fixedly connected to the column 1, the upper end of the support leg 4 is connected to the bottom of the lifting mechanism 3, and the support leg 4 passes through the through hole 9 of the longitudinal beam 2; the transverse mechanism 5 is connected to the bottom of the support leg 4, the transverse mechanism 5 includes a slide groove 11, the top of the base 6 is placed on the slide groove 11, the transverse mechanism 5 moves laterally along the base 6 through the slide groove 11, and a travel channel 12 for accommodating the track is formed on the inner side of the base 6; the walking wheel group 7 is fixed under the longitudinal beam 2, the hook mechanism 8 is connected to the moving path 10, the hook mechanism 8 lifts the laid track, and the lifted track travels along the bottom of the walking wheel group 7 and through the travel channel 12. When the self-propelled track laying device needs to move, the base 6 is placed on the ground, the hook mechanism 8 clamps the track to be laid, and the lifting mechanism 3 controls the entire self-propelled track laying device to move upward. When the track to be laid is lifted off the ground and suspended in the air, the running wheel group 7 rotates in the opposite direction of the track movement direction to drive the track to a preset position; the lifting mechanism 3 controls the entire self-propelled track laying device to move downward. When the track touches the ground, the lifting mechanism 3 continues to control the base 6 to leave the ground and hang in the air, and the running wheel group 7 rotates in the positive direction of movement to drive the self-propelled track laying device to move to the preset position. When the self-propelled track laying device needs to turn, the base 6 is placed on the ground, the hook mechanism 8 clamps the track to be laid, and the lifting mechanism 3 controls the entire self-propelled track laying device to move upward. When the track is lifted off the ground and suspended in the air, the transverse mechanism 5 moves horizontally to the turning position; the lifting mechanism 3 controls the entire self-propelled track laying device to move downward until the track touches the ground. This technical solution changes the traditional method of manually transporting the walking track into automatic track laying, reducing the number of operators and saving labor; the transverse movement mechanism 5 realizes automatic turning of track laying; enables the equipment to move freely on the track; realizes turning laying of the track and turning walking of the equipment; the entire operation process is simple, greatly saves labor, reduces operation time, and has reliable safety performance.

[0061] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A self-propelled track laying device, characterized in that: It comprises a column (1), a longitudinal beam (2), a lifting mechanism (3), a leg (4), a transverse movement mechanism (5), a base (6), a walking wheel set (7) and a hook mechanism (8); The column (1) is connected to the upper end of the longitudinal beam (2), the end of the longitudinal beam (2) is provided with a through opening (9), and the bottom of the longitudinal beam (2) is connected to a moving track (10); The lifting mechanism (3) is fixedly connected to the column (1), the upper end of the support leg (4) is connected to the bottom of the lifting mechanism (3), and the support leg (4) passes through the opening (9) of the longitudinal beam (2); The transverse movement mechanism (5) is connected to the bottom of the support leg (4), the transverse movement mechanism (5) comprises a slide groove (11), the top of the base (6) is placed on the slide groove (11), the transverse movement mechanism (5) moves laterally along the base (6) through the slide groove (11), and a passage (12) for accommodating a track is formed on the inner side of the base (6); The running wheel set (7) is fixed below the longitudinal beam (2), the hook mechanism (8) is connected to the moving track (10), the hook mechanism (8) lifts the laid track, and the lifted track moves along the bottom of the running wheel set (7) and through the travel channel (12); The traveling wheel set (7) comprises a wheel set seat (16), a traveling guide wheel (17) and a traveling driving wheel (18); the wheel set seat (16) is fixed to the lower end of the longitudinal beam (2); the traveling guide wheel (17) and the traveling driving wheel (18) are connected to the wheel set seat (16); the traveling guide wheel (17) and the traveling driving wheel (18) are meshed with each other; the traveling driving wheel (18) is provided with a traveling driving mechanism, and the traveling driving mechanism adopts an electric motor, a hydraulic motor or a pneumatic cylinder; the track contacts the traveling guide wheel (17) of the traveling wheel set (7), and cooperates with the hook mechanism (8) under the action of friction to make the track move; The hook mechanism (8) comprises a hook driving vehicle (19), a connecting rod (20) and a clamping claw (21); the hook driving vehicle (19) is connected to the moving track (10), the upper end of the connecting rod (20) is connected to the hook driving vehicle (19), and the lower end of the connecting rod (20) is connected to the clamping claw (21); Each longitudinal beam (2) is provided with two groups of columns (1), lifting mechanisms (3), legs (4), transverse mechanisms (5), bases (6) and walking wheel groups (7), and the two groups of columns (1), lifting mechanisms (3), legs (4), transverse mechanisms (5), bases (6) and walking wheel groups (7) are distributed at both ends of the longitudinal beam (2); each longitudinal beam (2) is provided with two groups of hook mechanisms (8), and the hook mechanisms (8) move on the moving path (10).

2. A self-propelled track laying device according to claim 1, characterized in that: The transverse dimension of the passage (12) is greater than the cross-sectional width of the laid track; the height of the passage (12) is greater than the lifting height of the laid track.

3. The self-propelled track laying device according to claim 1, characterized in that: The transverse movement mechanism (5) also includes a transverse movement seat (13) and a transverse movement rod (14), and the transverse movement mechanism (5) is connected to the bottom of the support leg (4) through the transverse movement seat (13); the slide groove (11) is fixed to the bottom of the transverse movement seat (13), and the transverse movement rod (14) passes through the transverse movement seat (13), the lower end of the transverse movement rod (14) is connected to the base (6), and the upper end of the transverse movement rod (14) is connected to the transverse movement seat (13).

4. A self-propelled track laying device according to claim 3, characterized in that: The interior of the transverse shift seat (13) is connected with a transverse shift guide wheel (15), and the transverse shift guide wheel (15) is located above the base (6); the transverse shift rod (14) is located between the two transverse shift guide wheels (15).

5. The self-propelled track laying device according to claim 1, characterized in that: When the self-propelled track laying device needs to move, perform the following actions: Action 1: The base (6) is placed on the ground, the hook mechanism (8) clamps the track to be laid, and the lifting mechanism (3) controls the entire self-propelled track laying device to move upward. When the track to be laid is lifted up to the ground and suspended in the air, the running wheel set (7) rotates in the opposite direction of the track movement direction, driving the track to move to a preset position. Action 2: The lifting mechanism (3) controls the entire self-propelled track laying device to move downward. When the track touches the ground, the lifting mechanism (3) continues to control the base (6) to leave the ground and hang in the air, and the walking wheel group (7) rotates in the positive direction of the moving direction, driving the self-propelled track laying device to move to a preset position; Repeat actions 1 and 2 to automatically lay the track and walk.

6. The self-propelled track laying device according to claim 1, characterized in that: When the self-propelled track laying device needs to turn, perform the following actions: Action 3: The base (6) is placed on the ground, the hook mechanism (8) clamps the track to be laid, and the lifting mechanism (3) controls the entire self-propelled track laying device to move upward. When the track is lifted up to the ground and suspended in the air, the transverse movement mechanism (5) moves horizontally to the turning position; Action 4: the lifting mechanism (3) controls the entire self-propelled track laying device to move downward until the track touches the ground; and actions 3 and 4 are repeated to perform the turning laying of the track and the turning movement of the self-propelled track laying device.

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