Track bridge device and track engineering vehicle set

Abstract

The present invention provides a track bridging device, comprising a sliding rail assembly, a track bridge and two connecting seat assemblies, wherein the sliding rail assembly is connected to the track of the vehicle; a first circular through hole is provided on the track bridge; two connecting seat assemblies are respectively provided at both ends of the track bridge, and the connecting seat assembly comprises a connecting seat, a hinge and a pin shaft; the connecting seat is provided with a guide rail portion and a connecting portion, one end of the guide rail portion is connected to the track bridge, and the other end of the guide rail portion is connected to the sliding rail assembly or the track of an adjacent vehicle, and a vertical rotating hole is provided on the connecting portion; a vertical rotating shaft is provided at one end of the hinge, and a connecting plate is provided at the other end of the hinge, the rotating shaft is rotatably connected to the rotating hole, and a second circular through hole is provided on the connecting plate; the pin shaft passes through the first circular through hole and the second circular through hole. The track bridging device provided by the present invention can be applied to the situation where there is a height difference between the floor surfaces of two adjacent vehicles. The present invention also provides a track engineering vehicle group, comprising the above-mentioned track bridging device.

Description

Technical Field

[0001] The invention belongs to the field of track engineering equipment, and in particular relates to a track bridging device and a track engineering vehicle set. Background Art

[0002] The rail engineering train set is a special train set for rail engineering, which is composed of a variety of special vehicles with different functions and structures. The rail engineering train set is equipped with on-board mobile equipment, and different vehicles in the rail engineering train set are equipped with tracks, on which the on-board mobile equipment moves to operate. The track bridge device is set between two adjacent vehicles to connect the tracks on the two adjacent vehicles to facilitate the passage of on-board mobile equipment.

[0003] In the related art, the track bridge device generally includes a track bridge, two connecting seats, a sliding rail assembly and a fixed rail; one end of the track bridge contacts the sliding rail assembly, and the other end of the track bridge contacts the fixed rail. Both end surfaces of the track bridge, the end surface on the sliding rail assembly that contacts the track bridge, and the end surface on the fixed rail that contacts the track bridge are all set as raised arc surfaces, and the generatrix direction of the arc surface is vertical; a connecting seat is connected to each of the two ends of the track bridge, each connecting seat is provided with a first connecting hole, and two second connecting holes are respectively provided on the sliding rail assembly and the fixed rail, and the connecting seat also includes a connecting member, and the connecting member is provided with a first connecting hole and a second connecting hole, and the first connecting hole or the second connecting hole is an oblong hole.

[0004] However, due to manufacturing errors and different loads carried by two adjacent vehicles in a track engineering train set, there will be a height difference between the floors of the two adjacent vehicles, and the height difference may sometimes be large and change dynamically. The track bridge device provided by the related art cannot be fully applicable to the situation where there is a height difference between the floors of the two adjacent vehicles. Summary of the invention

[0005] In view of this, an embodiment of the present invention provides a track bridging device to solve the technical problem that the track bridging device provided by the related art cannot be fully applicable to the situation where there is a height difference between the floor surfaces of two adjacent vehicles.

[0006] On the one hand, an embodiment of the present invention provides a track bridge device, comprising a sliding rail assembly, a track bridge and two connecting seat assemblies, wherein the sliding rail assembly is arranged on a vehicle, the extending direction of the sliding rail assembly is the same as the extending direction of the track of the vehicle, and the sliding rail assembly is connected to the track of the vehicle; the extending direction of the track bridge is the same as the extending direction of the track of the vehicle, and first round through holes are arranged at both ends of the track bridge, the axial direction of the first round through hole is arranged horizontally, and the axial direction of the first round through hole is perpendicular to the extending direction of the track of the vehicle; the two connecting seat assemblies are respectively arranged at both ends of the track bridge, and the connecting seat assemblies are connected to the two ends of the track bridge. The seat assembly includes a connecting seat, a hinge and a pin; the connecting seat is provided with a guide rail portion and a connecting portion, one end of the guide rail portion is connected to the track bridge, and the other end of the guide rail portion is connected to the sliding rail assembly or the track of an adjacent vehicle, and a vertical rotating hole is provided on the connecting portion; a vertical rotating shaft is provided at one end of the hinge, and a connecting plate is provided at the other end of the hinge, the rotating shaft is rotatably connected to the rotating hole, a second circular through hole is provided on the connecting plate, the axial direction of the second circular through hole is the same as the axial direction of the first circular through hole, the pin passes through the first circular through hole and the second circular through hole, and the track bridge or the connecting plate can rotate relative to the pin.

[0007] The track bridging device provided by the embodiment of the present invention has a vertical arrangement of the rotating axis of the hinge and the rotating hole of the connecting seat. Therefore, the hinge and the connecting seat can rotate relative to each other in a horizontal plane, so that the track bridge has a vertical rotational freedom with the sliding rail assembly and the connecting seat of the adjacent vehicle respectively. At the same time, since the axial direction of the first circular through hole and the axial direction of the second circular through hole are both horizontally arranged, and the axial direction of the first circular through hole and the axial direction of the second circular through hole are perpendicular to the extension direction of the vehicle track, and the pin shaft passes through the first circular through hole and the second circular through hole, the track bridge and the hinge can rotate relative to each other in a vertical plane, so that the track bridge has a vertical rotational freedom with the sliding rail assembly and the connecting seat of the adjacent vehicle respectively.

[0008] When a height difference between the floor surfaces of two adjacent vehicles of a track engineering vehicle set using the track bridging device provided by an embodiment of the present invention occurs, the track bridge and the sliding rail assembly, as well as the track bridge and the tracks of adjacent vehicles rotate relative to each other in a vertical plane, to prevent interference between the track bridge and the sliding rail assembly and the tracks of adjacent vehicles. This enables the track bridging device to be used in situations where a height difference between the floor surfaces of adjacent vehicles and the track engineering vehicle set occurs on curved sections, and the on-board mobile equipment can operate smoothly.

[0009] On the other hand, an embodiment of the present invention provides a track engineering vehicle set, including the track bridging device provided by the embodiment of the present invention. In the track engineering vehicle set provided by the embodiment of the present invention, since the rotating shaft of the hinge and the rotating hole of the connecting seat are arranged vertically, the hinge and the connecting seat can rotate relative to each other in the horizontal plane, so that the rail bridge has the degree of rotation freedom in the vertical direction with the sliding rail assembly and the connecting seat of the adjacent vehicle respectively; at the same time, since the axial direction of the first circular through hole and the axial direction of the second circular through hole are both arranged horizontally, and the axial direction of the first circular through hole and the axial direction of the second circular through hole are perpendicular to the extension direction of the vehicle track, and the pin shaft passes through the first circular through hole and the second circular through hole, the rail bridge and the hinge can rotate relative to each other in the vertical plane, so that the rail bridge has the degree of rotation freedom in the horizontal plane perpendicular to the extension direction of the vehicle track with the sliding rail assembly and the connecting seat of the adjacent vehicle respectively.

[0010] When there is a height difference between the floor surfaces of two adjacent vehicles in the track engineering vehicle set provided by the embodiment of the present invention, the rail bridge and the sliding rail assembly, as well as the rail bridge and the rails of the adjacent vehicles rotate relative to each other in the vertical plane, to prevent interference between the rail bridge and the sliding rail assembly and the rails of the adjacent vehicles, so that the track bridging device can be used in all situations where there is a height difference between the floor surfaces of the adjacent vehicles in the track engineering vehicle set on curved sections, and the on-board mobile equipment can operate smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. It is obvious that the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 A schematic diagram of the overall structure of a track bridging device provided in an embodiment of the present invention;

[0013] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the middle sliding rail assembly;

[0014] Figure 3 for Figure 2 Schematic diagram of the three-dimensional structure of the middle fixed rail;

[0015] Figure 4 for Figure 2 Schematic diagram of the three-dimensional structure of the middle sliding rail;

[0016] Figure 5 for Figure 1 Schematic diagram of the three-dimensional structure of the mid-track bridge;

[0017] Figure 6 for Figure 1 A schematic diagram of the three-dimensional structure of the middle connecting seat;

[0018] Figure 7 for Figure 1 Schematic diagram of the three-dimensional structure of the middle hinge.

[0019] Description of reference numerals:

[0020] 10-sliding rail assembly; 11-base; 111-accommodating through slot;

[0021] 112-first guide groove; 12-fixed rail; 121-first guide protrusion;

[0022] 122-second guide groove; 13-sliding rail; 131-second guide protrusion;

[0023] 132-third guide protrusion; 14-limit baffle; 21-rail bridge;

[0024] 211-first round through hole; 22-protection plate; 30-connection seat assembly;

[0025] 31-connecting seat; 311-guide rail portion; 312-connecting portion;

[0026] 313-rotation hole; 314-threaded hole; 32-hinge piece;

[0027] 321-rotating shaft; 322-connecting plate; 323-annular groove;

[0028] 324 - second round through hole; 33 - pin; 34 - anti-jump bolt. DETAILED DESCRIPTION

[0029] Due to manufacturing errors and different loads carried by the two connected vehicles, the track engineering vehicle set using the track bridge device provided in the related art will cause the floor heights of the two adjacent vehicles to be different, resulting in a floor height difference, and this height difference is sometimes large and changes dynamically. The track bridge device provided by the related art only relies on the matching clearance between the first connecting hole, the second connecting hole and the connecting member to adapt to the height difference and its changes. Since the first connecting hole or the second connecting hole will restrict the connecting member, the connecting seat and the sliding rail assembly and the fixed rail are prone to interference, and further the track bridge and the sliding rail assembly and the fixed rail interfere with each other, causing the track engineering vehicle set to be unable to run smoothly.

[0030] In order to solve the problem that the track bridging device provided by the relevant technology cannot be fully applicable to the situation where the floor surfaces of adjacent vehicles have a height difference, the present invention provides a track bridging device, which is provided with two connecting seat assemblies, the connecting seat assemblies include connecting seats and hinges, the two connecting seats are respectively connected to the sliding rail assembly and the tracks of adjacent vehicles, the hinges are rotatably connected to the connecting seats in the vertical direction on the one hand, and the hinges are rotatably connected to the track bridge in the horizontal plane and in a direction perpendicular to the extension direction of the vehicle track on the other hand, so that the track bridge has both the rotational freedom in the vertical direction and the rotational freedom in the horizontal plane and in a direction perpendicular to the extension direction of the vehicle track with the sliding rail assembly and the track of the adjacent vehicle respectively, that is, the track bridge rotates relative to the sliding rail assembly and the track of the adjacent vehicle in the horizontal plane and in the vertical plane respectively, preventing interference between the track bridge and the sliding rail assembly and the track of the adjacent vehicle, so that the track bridging device can be applied when the track engineering vehicle group passes through a curved section and there is a height difference in the floor surfaces of adjacent vehicles, so that the vehicle-mounted mobile equipment can run smoothly.

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0032] It should be noted that the track bridge device provided in the embodiment of the present invention is used to connect the tracks of two adjacent vehicles of a track engineering vehicle group. To facilitate the description of the embodiment of the present invention, the track of one vehicle is marked as A and the track of the adjacent vehicle is marked as B. The above description should not be construed as limiting the technical solution of the embodiment of the present invention.

[0033] refer to Figure 1 This embodiment provides a track bridge device, including a sliding rail assembly 10, a rail bridge 21 and two connecting seat assemblies 30. The sliding rail assembly 10, one connecting seat assembly 30, the rail bridge 21 and the other connecting seat assembly 30 are sequentially connected along the extension direction of the track A of the vehicle, thereby connecting the track A of the vehicle with the track B of the connected vehicle, so as to facilitate the passage of the vehicle-mounted mobile equipment.

[0034] For ease of processing and adjustment, the connection seat assembly 30 is integrally formed with the sliding rail assembly 10 or the track B of the adjacent vehicle. Figure 1In this embodiment, one connecting seat assembly 30 is integrally formed with the sliding rail assembly 10, and the other connecting seat assembly 30 is separately provided with the track B of the adjacent vehicle. The present invention is not limited thereto. In other embodiments of the present invention, one connecting seat assembly 30 is separately provided with the sliding rail assembly 10, and the other connecting seat assembly 30 is integrally formed with the track B of the adjacent vehicle; or one connecting seat assembly 30 is integrally formed with the sliding rail assembly 10, and the other connecting seat assembly 30 is integrally formed with the track B of the adjacent vehicle.

[0035] The sliding rail assembly 10 enables the track bridge device provided in this embodiment to be applicable to situations where the distance between two adjacent vehicles changes. Figure 1 , Figure 2 , Figure 3 and Figure 4 The sliding rail assembly 10 includes a base 11, a fixed rail 12, a sliding rail 13 and a limit baffle 14. The base 11 is connected to the vehicle, the fixed rail 12 and the sliding rail 13 are installed in the base 11, the sliding rail 13 is connected to the fixed rail 12 for relative sliding, and the limit baffle 14 is connected to the base 11 to limit the position of the sliding rail 13.

[0036] More specifically, the base 11 is disposed on the vehicle, for example, the base 11 can be connected to the vehicle by fastening bolts or welding. The base 11 is provided with a receiving groove 111 along the extension direction of the track A of the vehicle, and the fixed rail 12 and the sliding rail 13 are installed in the receiving groove 111. The fixed rail 12 and the sliding rail 13 can slide in the receiving groove 111. One end of the fixed rail 12 is connected to the track A of the vehicle, for example, referring to Figure 1 One end of the fixed rail 12 is an ear plate structure, which is connected to the track A of the vehicle through a fastening bolt and a fastening nut. The other end of the fixed rail 12 is slidably connected to one end of the sliding rail 13. The other end of the sliding rail 13 is connected to a connecting seat assembly 30, such as Figure 1 The other end of the middle sliding rail 13 is integrally formed with a connecting seat assembly 30, and a connecting seat assembly 30, a rail bridge 21, another connecting seat assembly 30 and a track B of an adjacent vehicle are sequentially connected. The surface of the sliding rail 13 away from the base 11 is flush with the surface of the fixed rail 12 away from the base 11, that is, Figure 1 The upper surface of the middle sliding rail 13 is flush with the upper surface of the fixed rail 12 , that is, the surfaces of the sliding rail 13 and the fixed rail 12 for the vehicle-mounted mobile equipment to pass through are flush.

[0037] During operation, when the distance between two adjacent vehicles of the track engineering vehicle group changes, that is, when the distance between the track A of a vehicle and the track B of the connected vehicle changes, the sliding rail 13 and the fixed rail 12 slide relative to each other, so that the overall length of the sliding rail assembly 10 is adjusted, and the surfaces of the sliding rail 13 and the fixed rail 12 for the on-board mobile equipment to pass through are flush, so that the on-board mobile equipment can run smoothly.

[0038] In order to improve the smoothness of the movement of the sliding rail assembly 10 and prevent the fixed rail 12 and the sliding rail 13 from tipping over during the operation of the rail engineering vehicle set, in some embodiments of the present invention, a first guide groove 112 is provided on the inner side wall of the accommodating groove 111 of the base 11 along the extension direction of the vehicle track A; a first guide protrusion 121 is provided at the bottom of the fixed rail 12, and the first guide protrusion 121 is slidably connected to the first guide groove 112; a second guide protrusion 131 is provided at the bottom of the sliding rail 13, and the second guide protrusion 131 is slidably connected to the first guide groove 112.

[0039] During the operation of the track engineering vehicle group, when the distance between two adjacent vehicles changes, the sliding rail 13 slides relative to the fixed rail 12, and the first guide groove 112 guides the fixed rail 12 and the sliding rail 13 through the first guide protrusion 121 and the second guide protrusion 131, thereby improving the stability of the relative sliding of the sliding rail 13 and the fixed rail 12. At the same time, the first guide groove 112 limits the first guide protrusion 121 and the second guide protrusion 131, thereby preventing the fixed rail 12 and the sliding rail 13 from tipping over, thereby improving the reliability of the track bridging device provided in this embodiment.

[0040] In order to further improve the relative sliding stability of the fixed rail 12 and the sliding rail 13, in some embodiments of the present invention, a third guide protrusion or a second guide groove is provided on the surface where the fixed rail 12 and the sliding rail 13 are slidably connected, and a second guide groove or a third guide protrusion is provided on the surface where the sliding rail 13 and the fixed rail 12 are slidably connected, and the third guide protrusion is slidably connected to the second guide groove. Figure 2 , Figure 3 and Figure 4 , a second guide groove 122 is provided on the surface where the fixed rail 12 and the sliding rail 13 are slidably connected, a third guide protrusion 132 is provided on the surface where the sliding rail 13 and the fixed rail 12 are slidably connected, and the third guide protrusion 132 is slidably connected to the second guide groove 122. In other embodiments of the present invention, a third guide protrusion 132 is provided on the surface where the fixed rail 12 and the sliding rail 13 are slidably connected, a second guide groove 122 is provided on the surface where the sliding rail 13 and the fixed rail 12 are slidably connected, and the third guide protrusion 132 is slidably connected to the second guide groove 122.

[0041] Due to the guiding effect of the third guide protrusion 132 and the second guide groove 122 , the relative sliding stability of the fixed rail 12 and the sliding rail 13 is further improved.

[0042] In some embodiments of the present invention, the sliding rail assembly 10 further includes a limit baffle 14, which is connected to one end of the base 11 facing the rail bridge 21, and the limit baffle 14 limits the position of the sliding rail 13. The limit baffle 14 limits the position of the sliding rail 13 to prevent the sliding rail 13 from falling off the base 11, thereby improving the reliability of the present embodiment.

[0043] The rail bridge 21 is used to connect the sliding rail assembly 10 and the track B of the adjacent vehicle. Figure 1 The extension direction of the rail bridge 21 is the same as the extension direction of the vehicle track A. Both ends of the rail bridge 21 are connected to a connecting seat assembly 30. The rail bridge 21 is connected to the sliding rail 13 and the track B of the adjacent vehicle through the connecting seat assembly 30. Figure 5 The two ends of the rail bridge 21 are preferably a clamping plate structure, and a first round through hole 211 is provided on the clamping plate structure. The axial direction of the first round through hole 211 is horizontally arranged, and the axial direction of the first round through hole 211 is perpendicular to the extension direction of the vehicle track A. The first round through hole 211 is used to connect with the connecting seat assembly 30.

[0044] In some embodiments of the present invention, the middle portion of the rail bridge 21 has a first thickness, and the two ends of the rail bridge 21 have a second thickness, and the first thickness is greater than the second thickness. This arrangement can increase the strength of the rail bridge 21 while ensuring the connection function of the rail bridge 21.

[0045] In order to protect the vehicle-mounted mobile equipment running on the rail bridge 21, a guard plate 22 is provided on the side of the rail bridge 21, and the guard plate 22 is higher than the upper surface of the rail bridge 21. Both ends of the guard plate 21 extend away from the rail bridge 21. When the vehicle-mounted mobile equipment runs on the rail bridge 21, the guard plate 22 can prevent the vehicle-mounted mobile equipment from detaching from the rail bridge 21, play a protective role, and improve safety.

[0046] Two connecting seat assemblies 30 are respectively arranged at both ends of the rail bridge 21, and the rail bridge 21 is connected to the sliding rail 13 and the track B of the adjacent vehicle through a connecting seat assembly 30. Figure 1 The connection seat assembly 30 includes a connection seat 31, a hinge 32 and a pin 33. The two connection seats 31 are respectively connected to the sliding rail 13 and the track B of the adjacent vehicle. For example, in this embodiment, one connection seat 31 is integrally formed with the sliding rail 13, and the other connection seat 31 is connected to the track B of the adjacent vehicle. The two connection seats 31 are respectively connected to the first round through hole 211 of the rail bridge 21 through the hinge 32 and the pin 33.

[0047] refer to Figure 1 and Figure 6 The connection seat 31 is connected to the vehicle, for example, the connection seat 31 is connected to the vehicle by fastening bolts or welding. The connection seat 31 is provided with a guide rail portion 311 and a connection portion 312. One end of the guide rail portion 311 is connected to the rail bridge 21, and the other end of the guide rail portion 311 is connected to the sliding rail 13 or the track B of the adjacent vehicle, so that the vehicle-mounted mobile equipment can run to the rail bridge 21 via the track B of the adjacent vehicle through one connection seat 31, and run to the sliding rail 13 via another connection seat 31. The connection portion 312 is used to connect with the hinge 32. A vertical rotation hole 313 is provided on the connection portion 312, and the hinge 32 is rotatably connected in the rotation hole 313.

[0048] refer to Figure 1 and Figure 7 A vertical rotating shaft 321 is provided at one end of the hinge 32, and a connecting plate 322 is provided at the other end of the hinge 32. The rotating shaft 321 is rotatably connected to the rotating hole 313. A second circular through hole 324 is provided on the connecting plate 322. The axial direction of the second circular through hole 324 is the same as the axial direction of the first circular through hole 211. The pin shaft 33 passes through the first circular through hole 211 and the second circular through hole 324. The rail bridge 21 or the connecting plate 322 can rotate relative to the pin shaft 33.

[0049] The track bridging device provided in this embodiment has a vertical arrangement of the rotating shaft 321 of the hinge 32 and the rotating hole 313 of the connecting seat 31. Therefore, the hinge 32 and the connecting seat 31 can rotate relative to each other in a horizontal plane, so that the track bridge 21 has a vertical rotational freedom with the sliding rail 13 and the track B of the adjacent vehicle respectively; at the same time, since the axial direction of the first circular through hole 211 and the axial direction of the second circular through hole 324 are both horizontally arranged and perpendicular to the extension direction of the vehicle's track A, the track bridge 21 and the connecting plate 322 of the hinge 32 can rotate relative to each other in a vertical plane, further making the track bridge 21 have a vertical rotational freedom with the sliding rail 13 and the track B of the adjacent vehicle respectively in a direction perpendicular to the extension direction of the vehicle's track A.

[0050] When a height difference in the floor surfaces of two adjacent vehicles of a track engineering vehicle set using the track bridging device provided in this embodiment occurs, the track bridge 21 and the sliding rail 13, as well as the track bridge 21 and the track B of the adjacent vehicle rotate relative to each other in a direction perpendicular to the extension direction of the track A of the vehicle, to prevent interference between the track bridge 21 and the sliding rail 13 and the track B of the adjacent vehicle, so that when a height difference in the floor surfaces of adjacent vehicles of the track engineering vehicle set occurs, the track bridging device provided in this embodiment can be fully applicable, and the on-board mobile equipment can operate smoothly.

[0051] In order to prevent the hinge 32 from jumping in the rotating hole 313 during the operation of the track engineering vehicle group, in some embodiments of the present invention, the connecting seat assembly 30 also includes an anti-jump bolt 34. Specifically, an annular groove 323 is provided on the circumference of the rotating shaft 321, and a threaded hole 314 is provided on the connecting portion 312. The threaded hole 314 is axially perpendicular to the axial direction of the rotating hole 313, and the threaded hole 314 penetrates the rotating hole 313. The anti-jump bolt 34 is threadedly connected to the threaded hole 314, and the end of the anti-jump bolt 34 extends into the annular groove 323. The anti-jump bolt 34 can axially limit the rotating shaft 321 to prevent the rotating shaft 321 from jumping, thereby improving the stability of the connection between the rail bridge 21 and the connecting seat 31.

[0052] On the other hand, this embodiment provides a rail engineering vehicle, comprising the above-mentioned rail bridging device.

[0053] The track engineering vehicle set provided in this embodiment has a vertical arrangement of the rotating shaft 321 of the hinge 32 and the rotating hole 313 of the connecting seat 31, so that the hinge 32 and the connecting seat 31 can rotate relative to each other in the horizontal plane, so that the track bridge 21 has a vertical rotational freedom with the sliding rail 13 and the track B of the adjacent vehicle respectively; at the same time, since the axial direction of the first circular through hole 211 and the axial direction of the second circular through hole 324 are both horizontally arranged and perpendicular to the extension direction of the vehicle's track A, the track bridge 21 and the connecting plate 322 of the hinge 32 can rotate relative to each other in the vertical plane, further making the track bridge 21 have a vertical rotational freedom with the sliding rail 13 and the track B of the adjacent vehicle respectively in a direction perpendicular to the extension direction of the vehicle's track A.

[0054] When a height difference between the floor surfaces of two adjacent vehicles of the track engineering vehicle set provided by this embodiment is generated, the rail bridge 21 and the sliding rail 13, as well as the rail bridge 21 and the track B of the adjacent vehicle rotate relative to each other in the vertical plane, to prevent interference between the rail bridge 21 and the sliding rail 13 and the track B of the adjacent vehicle, so that the track bridging device can be used in curved sections of the track engineering vehicle set and when a height difference between the floor surfaces of adjacent vehicles occurs, and the on-board mobile equipment can operate smoothly.

[0055] In some other embodiments of the present invention, there are two track bridge devices, which are symmetrically arranged relative to the longitudinal center line of the vehicle. The vehicle-mounted mobile equipment runs on the two track bridge devices.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A track bridging device, characterized in that: It includes a sliding rail assembly, a rail bridge and two connecting seat assemblies, wherein: The sliding rail assembly is arranged on the vehicle, the extension direction of the sliding rail assembly is the same as the extension direction of the track of the vehicle, and the sliding rail assembly and the track of the vehicle are connected to each other; The extension direction of the rail bridge is the same as the extension direction of the track of the vehicle, and first round through holes are arranged at both ends of the rail bridge, and the axial direction of the first round through hole is arranged horizontally, and the axial direction of the first round through hole is perpendicular to the extension direction of the track of the vehicle; The two connecting seat assemblies are respectively arranged at the two ends of the rail bridge, and the connecting seat assemblies include a connecting seat, a hinge and a pin shaft; The connecting seat is provided with a guide rail portion and a connecting portion, one end of the guide rail portion is connected to the rail bridge, and the other end of the guide rail portion is connected to the sliding rail assembly or the track of an adjacent vehicle, and a vertical rotation hole is provided on the connecting portion; A vertical rotation shaft is provided at one end of the hinge, and a connecting plate is provided at the other end of the hinge. The rotation shaft is rotatably connected to the rotation hole. A second round through hole is provided on the connecting plate. The axial direction of the second round through hole is the same as that of the first round through hole. The pin passes through the first round through hole and the second round through hole. The rail bridge or the connecting plate can rotate relative to the pin. The connecting seat assembly also includes: An anti-jump bolt, wherein an annular groove is arranged on the circumference of the rotating shaft, a threaded hole is arranged on the connecting portion, the threaded hole is axially perpendicular to the axial direction of the rotating hole, the threaded hole penetrates the rotating hole, the anti-jump bolt is threadedly connected with the threaded hole, and the end of the anti-jump bolt extends into the annular groove; The connecting seat is integrally formed with the sliding rail assembly or the rail of an adjacent vehicle.

2. The track bridge device according to claim 1, characterized in that: The slide rail assembly comprises: A base, the base is arranged on the vehicle, the base is provided with a receiving slot in the longitudinal direction, and the inner side wall of the receiving slot is provided with a first guide slot along the extension direction of the track of the vehicle; A fixed rail, the fixed rail is installed in the accommodating through groove, a first guide protrusion is provided at the bottom of the fixed rail, the first guide protrusion is slidably connected in the first guide groove, and one end of the fixed rail is connected to the track of the vehicle; A sliding rail, wherein the sliding rail is installed in the accommodating through groove, a second guide protrusion is arranged at the bottom of the sliding rail, the second guide protrusion is slidably connected in the first guide groove, one end of the sliding rail is relatively connected to the other end of the guide rail portion, the other end of the sliding rail is relatively slidably connected to the other end of the fixed rail, and the surface of the sliding rail away from the base is flush with the surface of the fixed rail away from the base.

3. The track bridge device according to claim 2, characterized in that: A third guide protrusion or a second guide groove is provided on the surface where the fixed rail is slidably connected to the sliding rail, and a second guide groove or a third guide protrusion is provided on the surface where the sliding rail is slidably connected to the fixed rail, and the third guide protrusion is slidably connected to the second guide groove.

4. The track bridge device according to claim 2, characterized in that: The slide rail assembly also includes: A limit baffle is connected to one end of the base facing the rail bridge, and the limit baffle limits the position of the sliding rail.

5. The track bridge device according to claim 1, characterized in that: The middle portion of the rail bridge has a first thickness, and both ends of the rail bridge have a second thickness, and the first thickness is greater than the second thickness.

6. The track bridge device according to claim 1, characterized in that: The rail bridge is provided with: A guard plate is connected to the side of the rail bridge and is higher than the upper surface of the rail bridge.

7. A rail engineering vehicle set, characterized in that: The invention comprises a track bridging device as described in any one of claims 1 to 6.

8. The rail engineering vehicle set according to claim 7, characterized in that: There are two track bridge devices, and the two track bridge devices are symmetrically arranged relative to the longitudinal center line of the vehicle.

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