Folding mechanism for rapid track inspection

Abstract

The utility model discloses a folding mechanism for rapid track inspection, which comprises two tracks, a first travelling wheel piece and a second travelling wheel piece, the first travelling wheel piece and the second travelling wheel piece are connected on the two tracks in a sliding manner, a first folding rod piece is arranged on the first travelling wheel piece, and a second folding rod piece is arranged on the second travelling wheel piece. The folding hinge assembly, the opening positioning hole and the opening positioning assembly are arranged, and the folding hinge assembly is used for folding and storing the first folding rod piece and the second folding rod piece, so that the length of the folding rod piece and the second folding rod piece is shortened, and the folding rod piece is convenient to store; when the rail car body is unfolded, the first folding rod piece and the second folding rod piece are positioned from the side faces of the first folding rod piece and the second folding rod piece by clamping the unfolding positioning assembly in the unfolding positioning holes, so that the unfolding state is stable, and the whole rail car body can be divided into two parts to be folded; and the effect that the rail vehicle body is folded, stored and convenient to carry and transport is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of motion recognition, in particular to a folding mechanism for rapid track inspection. Background Art

[0002] Railway is a track-based land transportation system, which mainly includes rails and trains running on the rails. The rails are generally two parallel metal tracks, and the trains run along the metal track paths. The metal tracks need to be inspected regularly to ensure the safety of the metal tracks.

[0003] In the existing technology, patrol police generally use rail car inspection equipment to detect various data of metal tracks. The rail car needs to be transported to the designated metal track location by transportation equipment, and then walk on the metal track to inspect the metal track. Since the rail car body is long, it occupies a large area during transportation, making it inconvenient to carry.

[0004] Therefore, how to provide a folding mechanism for rapid track inspection is a problem that those skilled in the art urgently need to solve. Utility Model Content

[0005] One purpose of the utility model is to provide a folding mechanism for rapid track inspection, which solves the problem in the prior art that the track vehicle is too long and occupies a large area during transportation and is inconvenient to carry.

[0006] The folding mechanism for rapid inspection of a track according to an embodiment of the utility model comprises two tracks, a first traveling wheel member and a second traveling wheel member, the first traveling wheel member and the second traveling wheel member being slidably connected to the two tracks, a first folding rod member being provided on the first traveling wheel member, and a second folding rod member being provided with a mounting groove at a position close to one side of the opposite end, a folding hinge assembly being provided inside the mounting groove, the folding hinge assembly comprising a first rotating head, a connecting shaft, a positioning shaft and a second rotating head, one end of the first rotating head being fixed inside the mounting groove on the first folding rod member, the positioning shaft being fixed inside the mounting groove on the second folding rod member, the first rotating head and the second rotating head being rotatably connected via the connecting shaft, and the other end of the second rotating head being rotatably connected to the surface of the positioning shaft;

[0007] An expansion positioning hole is provided on the side of the first folding rod near the position of the first folding rod, and an expansion positioning component is provided on the surface of the first folding rod near the position of the expansion positioning hole. When the first folding rod and the second folding rod are expanded and parallel, the expansion positioning component is clamped in the expansion positioning hole to position the positions of the first folding rod and the second folding rod.

[0008] A reinforcement groove is provided on the first folding rod, and a limiting groove is provided on the second folding rod. A reinforcement component is movable inside the limiting groove. The reinforcement component includes a reinforcement plate, a movable rod and two position locking blocks. The reinforcement plate moves inside the reinforcement groove and the limiting groove respectively. The movable rod moves in the limiting groove and is fixed at one end of the reinforcement plate. A guide groove is provided on the side of the movable rod away from the limiting groove. An elastic component is provided inside the guide groove. The two position locking blocks both move inside the guide groove, and the elastic component is located between the two position locking blocks. Two groups of locking grooves are provided on the limiting groove, and the two groups of locking grooves are respectively close to both sides of the inner wall of the limiting groove. When the reinforcement plate is inserted into the reinforcement groove, the two position locking blocks are inserted into one group of locking grooves.

[0009] The elastic component includes a fixed block and two groups of guide rods. The fixed block is fixed on the symmetrical axis inside the guide groove. The two groups of guide rods are symmetrically arranged on the two side surfaces of the fixed block. Guide holes are opened on the two position locking blocks corresponding to the positions of the two groups of guide rods. The two guide rods are inserted into the inside of the guide holes. The surface of the guide rod is located between the fixed block and the position locking block and is movably sleeved with a spring member. The two ends of the spring member move on the surfaces of the fixed block and the position locking block respectively.

[0010] There are two groups of expansion positioning holes, which are axially symmetrically arranged with the symmetry axis of the second folding rod as the symmetry axis. The number and position of the expansion positioning components match the number and position of the expansion positioning holes.

[0011] The expansion positioning assembly includes a fixed seat and a rotating splint. The fixed seat is fixed on the side of the first folding rod near the expansion positioning hole. The rotating splint is rotatably connected to the fixed seat. An expansion tension spring is provided on the side of the rotating splint close to the first folding rod. The other end of the expansion tension spring is fixed to the surface of the first folding rod. An expansion positioning rod is fixed on the rotating splint near the expansion positioning hole. The expansion positioning rod is inserted into the inside of the expansion positioning hole when the first folding rod and the second folding rod are fully expanded.

[0012] A folding positioning hole is further provided on the surface of the second folding rod near the first traveling wheel, and a folding positioning assembly is provided on the surface of the first folding rod near the second traveling wheel.

[0013] The folding positioning assembly includes a mounting seat and a movable plate. The mounting seat is fixed on the surface of the first folding rod. The movable plate is rotatably connected to the mounting seat. A folding tension spring is provided on the surface of the movable plate. The other end of the folding tension spring is fixed on the surface of the first folding rod. The movable plate is located on one side of the folding tension spring and is also provided with a folding positioning rod. When the first folding rod and the second folding rod are completely folded in half, the folding positioning rod will be inserted into the inside of the folding positioning hole.

[0014] The beneficial effects of the utility model are:

[0015] By providing a folding hinge assembly, an expansion positioning hole and an expansion positioning assembly, the folding hinge assembly folds and stores the first folding rod and the second folding rod, so that their length becomes shorter and it is convenient to store. At the same time of expansion, the expansion positioning assembly is clamped in the expansion positioning hole to position the first folding rod and the second folding rod from the side of the first folding rod and the second folding rod, so that their expanded state is stable. In this way, the entire rail car body can be divided into two parts and folded, achieving the effect of folding and storing the rail car body for easy carrying and transportation, and solving the problem in the prior art that the rail car is too long and occupies a large area during transportation and is inconvenient to carry.

[0016] By providing reinforcement grooves, limiting grooves and reinforcement components, the reinforcement components cooperate with the expansion positioning components to further reinforce the first folding rod and the second folding rod when the first folding rod and the second folding rod are in the expanded state, thereby improving the stability of their expansion work.

[0017] By providing a folding positioning hole and a folding positioning assembly, the folding positioning assembly positions the folded first folding rod and the second folding rod after they are completely folded, making them difficult to separate. This improves the stability of the first folding rod and the second folding rod in the folded state, and also prevents the first folding rod and the second folding rod from automatically rotating during transportation and affecting transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is an overall three-dimensional flow chart of a folding mechanism for rapid track inspection proposed by the utility model.

[0020] Figure 2 This is a cross-sectional three-dimensional flow chart of the positions of the folding hinge assembly and the reinforcement assembly in a folding mechanism for rapid track inspection proposed by the present invention.

[0021] Figure 3 This is a cross-sectional three-dimensional flow chart of the positions of the reinforcement components and the expansion and positioning components in a folding mechanism for rapid track inspection proposed by the utility model.

[0022] Figure 4 This is an overall three-dimensional flow chart of the reinforcement components in a folding mechanism for rapid track inspection proposed by the utility model.

[0023] Figure 5 This is an overall three-dimensional flow chart of the folding and positioning components in a folding mechanism for rapid track inspection proposed by the utility model.

[0024] 1. The folding hinge assembly includes: a first folding hinge assembly, a second ... DETAILED DESCRIPTION

[0025] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0026] Example 1

[0027] refer to Figure 1 and Figure 2, including two rails 1, a first traveling wheel component 2 and a second traveling wheel component 3. The first traveling wheel component 2 and the second traveling wheel component 3 are two components on the existing rail 1 car, which are not described in detail here. The first traveling wheel component 2 and the second traveling wheel component 3 are slidably connected to the two rails 1. The first traveling wheel component 2 is provided with a first folding rod component 4, and the second traveling wheel component 3 is provided with a second folding rod component 5. The first folding rod component 4 and the second folding rod component 5 form a complete horizontal frame. The first folding rod component 4 and the second folding rod component 5 are both provided with mounting grooves 6 at positions close to one side of the opposite end for installing a folding hinge assembly 7 to avoid protrusion affecting the appearance. A folding hinge assembly 7 is provided inside the mounting groove 6. The folding hinge assembly 7 includes a first rotating head 8, a connecting shaft 9, a positioning shaft 10 and a second rotating head 11. One end of the first rotating head 8 is fixed to the inner side of the mounting groove 6 on the first folding rod component 4. The first rotatable member 8 and the second rotatable member 11 are rotatably connected to each other by the connecting shaft 9, and the other end of the second rotatable member 11 is rotatably connected to the surface of the positioning shaft 10. When folding, the first folding rod 4 and the second folding rod 5 are rotated, so that the first folding rod 4 drives the first rotatable member 8 to rotate on the connecting shaft 9, and the second folding rod 5 drives the second rotatable member 11 to rotate on the connecting shaft 9 through the positioning shaft 10. In this way, the first rotatable member 8 and the second rotatable member 11 rotate and drive the first folding rod 4 and the second folding rod 5 to rotate and move closer to each other until the surfaces of the first folding rod 4 and the second folding rod 5 are attached together, thereby completing the folding operation, thereby achieving the effect of folding and storing the first folding rod 4 and the second folding rod 5 on the track 1 car in half, thereby shortening the length of the entire horizontal frame, making it convenient to transport and carry;

[0028] refer to Figure 1 and Figure 3, a stretching positioning hole 12 is provided on the side of the second folding rod 5 near the position of the first folding rod 4, and a stretching positioning component 13 is provided on the surface of the first folding rod 4 near the position of the stretching positioning hole 12. When the first folding rod 4 and the second folding rod 5 are stretched out and parallel, the stretching positioning component 13 is clamped in the stretching positioning hole 12 to position the first folding rod 4 and the second folding rod 5. There are two groups of stretching positioning holes 12, and the two groups of stretching positioning holes 12 are symmetrical with the symmetry axis of the first folding rod 4 as the axis of symmetry. Symmetrical arrangement, such a symmetrical arrangement can be opened well, the number and position of the stretching positioning components 13 match the number and position of the stretching positioning holes 12, the stretching positioning component 13 includes a fixed seat 27 and a rotating splint 28, the fixed seat 27 is fixed to the side of the first folding rod 4 near the position of the stretching positioning hole 12, the rotating splint 28 is rotatably connected to the fixed seat 27, the rotating splint 28 is provided with a stretching spring 29 on the side close to the first folding rod 4, and the other end of the stretching spring 29 is fixed to the first folding rod 4 The surface of the rotating splint 28 is fixed with an opening positioning rod 30 at a position close to the opening positioning hole 12. The opening positioning rod 30 is inserted into the inside of the opening positioning hole 12 when the first folding rod 4 and the second folding rod 5 are fully opened. After being transported to the designated position, the first folding rod 4 and the second folding rod 5 need to be opened. Before opening, the two sets of folding positioning components 32 need to be manually toggled to separate them from the folding positioning holes 31, and then the first folding rod 4 and the second folding rod 5 are rotated to open them in a line. 0 is provided with an extrusion inclined surface at one end, so that during the expansion process, the first extrusion rod will squeeze the expansion positioning rod 30, causing it to drive the rotating splint 28 to rotate on the fixed seat 27. In this way, after the expansion positioning rod 30 is automatically squeezed open, when the first folding rod 4 and the second folding rod 5 are in a line, the expansion positioning rod 30 will drive the rotating splint 28 to rotate under the action of the expansion tension spring member 29 to insert the expansion positioning rod 30 into the expansion positioning hole 12 to position the first folding rod 4 and the second folding rod 5, so that the expansion state is very stable.

[0029] Example 2

[0030] refer to Figure 2 、 Figure 3 and Figure 4, a reinforcement groove 14 is provided on the first folding rod 4, and a limiting groove 15 is provided on the second folding rod 5. The reinforcement groove 14 is corresponding to the limiting groove 15. A reinforcement component 16 is movable inside the limiting groove 15. The reinforcement component 16 includes a reinforcement plate 17, a movable rod 18 and two position locking blocks 19. The reinforcement plate 17 moves inside the reinforcement groove 14 and the limiting groove 15 respectively. The movable rod 18 moves in the limiting groove 15 and is fixed at one end of the reinforcement plate 17. A guide groove 20 is provided on the side of the movable rod 18 away from the limiting groove 15. An elastic component 21 is provided inside the guide groove 20. The two position locking blocks 19 are both movable inside the guide groove 20, and the elastic component 21 is positioned Between the two position locking blocks 19, the elastic component 21 includes a fixed block 23 and two sets of guide rods 24. The fixed block 23 is fixed on the symmetrical axis inside the guide groove 20. The two sets of guide rods 24 are symmetrically arranged on the two sides of the fixed block 23. Guide holes 25 are opened on the two position locking blocks 19 corresponding to the positions of the two sets of guide rods 24. The two guide rods 24 are inserted into the inside of the guide holes 25. The guide rods are used to guide the movement of the two position locking blocks 19 to improve the stability of the position locking blocks 19. The spring member 26 is also limited to avoid bending under the extrusion of the spring member 26 and affecting the normal operation of the spring member 26. The surface of the guide rod is located between the fixed block 23 and the position locking block The position between 19 is movably sleeved with a spring member 26, and the two ends of the spring member 26 are respectively movable on the surfaces of the fixed block 23 and the position locking block 19. Two groups of locking grooves 22 are opened on the limiting groove 15, and the two groups of locking grooves 22 are respectively close to the two sides of the inner wall of the limiting groove 15. When the reinforcing plate 17 is inserted into the reinforcing groove 14, the two position locking blocks 19 are inserted into a group of locking grooves 22. In order to further improve the stability of the first folding rod 4 and the second folding rod 5 being stretched, a reinforcement component 16 is also provided on the first folding rod 4 and the second folding rod 5. During operation, the first folding rod 4 and the second folding rod 5 are in the stretched state, and then the hand is pinched on the two position locking blocks 19 to make The two position locking blocks 19 move closer to each other and away from one set of locking grooves 22, and then the movable rod 18 is moved toward the reinforcement groove 14, so that the movable rod 18 drives the reinforcement plate 17 to be inserted into the reinforcement groove 14. At this time, the two sets of position locking blocks 19 are close to the other set of locking grooves 22, and then the two position locking blocks 19 are released. The elastic force of the spring member 26 squeezes the two position locking blocks 19, so that the two position locking blocks 19 move away from each other and are inserted into the locking groove 22 at this position to stabilize the movable rod 18, and then stabilize the reinforcement plate 17. In conjunction with the expansion positioning components 13 on both sides, the stability of the first folding member and the second folding member in the expanded state is greatly improved, avoiding bending during use and affecting work.

[0031] Example 3

[0032] refer to Figure 1 and Figure 5A folding positioning hole 31 is further provided on the surface of the second folding rod 5 near the first walking wheel member 2. It should be noted that the folding positioning hole 31 has a similar function to the stretching positioning hole 12. A folding positioning assembly 32 is provided on the surface of the first folding rod 4 near the second walking wheel member 3. The folding positioning assembly 32 and the stretching positioning assembly 13 are the same components, and are named differently due to different uses and positions. They both have the function of positioning. The folding positioning assembly 32 includes a mounting seat 33 and a movable plate 34. The mounting seat 33 is fixed to the surface of the first folding rod 4, and the movable plate 34 is rotatably connected to the mounting seat 33. A folding tension spring member 35 is provided on the surface of the movable plate 34. The other end of the folding tension spring member 35 is fixed to the surface of the first folding rod 4, and the movable plate 34 is located on one side of the folding tension spring member 35 The surface is also provided with a folding positioning rod 36. When the first folding rod 4 and the second folding rod 5 are completely folded in half, the folding positioning rod 36 will be inserted into the inside of the folding positioning hole 31. During the folding process of the first folding rod 4 and the second folding rod 5, since the folding positioning rod 36 is also provided with an inclined surface, the folding positioning rod 36 will be squeezed during the symmetrical process of the first folding rod 4, so that it will be squeezed to move outward. The movement of the folding positioning rod 36 will drive the movable plate 34 to rotate on the mounting seat 33. When the first folding rod 4 and the second folding rod 5 are completely folded, the folding positioning rod 36 will be inserted into the inside of the folding positioning hole 31. It should be noted that when the first folding rod 4 and the second folding rod 5 need to be opened, the movable plate 34 is first manually moved to separate the folding positioning rod 36 from the folding positioning hole 31.

[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A folding mechanism for rapid track inspection, characterized in that: The invention comprises two rails (1), a first running wheel component (2) and a second running wheel component (3), wherein the first running wheel component (2) and the second running wheel component (3) are slidably connected to the two rails (1), a first folding rod component (4) is provided on the first running wheel component (2), and a second folding rod component (5) is provided on the second running wheel component (3), and a mounting groove (6) is provided at a position close to the opposite end of the first folding rod component (4) and the second folding rod component (5), and a folding hinge assembly is provided inside the mounting groove (6). (7), the folding hinge assembly (7) includes a first rotating head (8), a connecting shaft (9), a positioning shaft (10) and a second rotating head (11), one end of the first rotating head (8) is fixed inside the mounting groove (6) on the first folding rod (4), the positioning shaft (10) is fixed inside the mounting groove (6) on the second folding rod (5), the first rotating head (8) and the second rotating head (11) are rotatably connected through the connecting shaft (9), and the other end of the second rotating head (11) is rotatably connected to the surface of the positioning shaft (10); A positioning hole (12) is provided on the side of the second folding rod (5) near the first folding rod (4), and a positioning assembly (13) is provided on the surface of the first folding rod (4) near the positioning hole (12). When the first folding rod (4) and the second folding rod (5) are stretched and parallel, the positioning assembly (13) is clamped inside the positioning hole (12) to position the first folding rod (4) and the second folding rod (5).

2. A folding mechanism for rapid inspection of a track (1) according to claim 1, characterized in that: The first folding rod (4) is provided with a reinforcement groove (14), and the second folding rod (5) is provided with a limiting groove (15). A reinforcement component (16) is movable inside the limiting groove (15). The reinforcement component (16) includes a reinforcement plate (17), a movable rod (18) and two position locking blocks (19). The reinforcement plate (17) is movable inside the reinforcement groove (14) and the limiting groove (15) respectively. The movable rod (18) is movable in the limiting groove (15) and is fixed at one end of the reinforcement plate (17). The movable rod (18) is away from the limiting groove. A guide groove (20) is provided on one side of the (15), an elastic component (21) is provided inside the guide groove (20), two position locking blocks (19) are movable inside the guide groove (20), and the elastic component (21) is located between the two position locking blocks (19), two groups of locking grooves (22) are provided on the limiting groove (15), and the two groups of locking grooves (22) are respectively close to the two sides of the inner wall of the limiting groove (15), and when the reinforcement plate (17) is inserted into the reinforcement groove (14), the two position locking blocks (19) are inserted into one group of locking grooves (22).

3. A folding mechanism for rapid inspection of a track (1) according to claim 2, characterized in that: The elastic component (21) includes a fixed block (23) and two groups of guide rods (24). The fixed block (23) is fixed on the symmetrical axis inside the guide groove (20). The two groups of guide rods (24) are symmetrically arranged on the two side surfaces of the fixed block (23). Guide holes (25) are opened on the two position locking blocks (19) at positions corresponding to the two groups of guide rods (24). The two guide rods (24) are inserted into the guide holes (25). The surface of the guide rod is located between the fixed block (23) and the position locking block (19) and is movably sleeved with a spring member (26). The two ends of the spring member (26) are respectively movable on the surfaces of the fixed block (23) and the position locking block (19).

4. A folding mechanism for rapid inspection of a track (1) according to claim 3, characterized in that: The number of the expansion positioning holes (12) is two groups, and the two groups of expansion positioning holes (12) are arranged axially symmetrically with the symmetry axis of the second folding rod (5) as the symmetry axis. The number and position of the expansion positioning components (13) match the number and position of the expansion positioning holes (12).

5. A folding mechanism for rapid inspection of a track (1) according to claim 4, characterized in that: The expansion positioning assembly (13) includes a fixed seat (27) and a rotating splint (28), wherein the fixed seat (27) is fixed on the side of the first folding rod (4) near the expansion positioning hole (12), and the rotating splint (28) is rotatably connected to the fixed seat (27), and an expansion tension spring (29) is provided on the side of the rotating splint (28) near the first folding rod (4), and the other end of the expansion tension spring (29) is fixed on the surface of the first folding rod (4), and an expansion positioning rod (30) is fixed on the rotating splint (28) near the expansion positioning hole (12), and the expansion positioning rod (30) is inserted into the expansion positioning hole (12) when the first folding rod (4) and the second folding rod (5) are fully expanded.

6. A folding mechanism for rapid inspection of a track (1) according to claim 5, characterized in that: A folding positioning hole (31) is also provided on the surface of the second folding rod (5) near the first running wheel (2), and a folding positioning assembly (32) is provided on the surface of the first folding rod (4) near the second running wheel (3).

7. A folding mechanism for rapid inspection of a track (1) according to claim 6, characterized in that: The folding positioning assembly (32) includes a mounting seat (33) and a movable plate (34), wherein the mounting seat (33) is fixed on the surface of the first folding rod (4), and the movable plate (34) is rotatably connected to the mounting seat (33), and a folding tension spring (35) is provided on the surface of the movable plate (34), and the other end of the folding tension spring (35) is fixed on the surface of the first folding rod (4), and a folding positioning insertion rod (36) is also provided on one side of the folding tension spring (35), and when the first folding rod (4) and the second folding rod (5) are completely folded in half, the folding positioning insertion rod (36) will be inserted into the inside of the folding positioning hole (31).

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