A rail flatbed vehicle capable of fully covering tunnel maintenance

Abstract

The present invention relates to a rail flatbed vehicle that can cover tunnel maintenance in all directions. It solves the existing technical problems that tunnels cannot be maintained quickly and the maintenance scope is small, resulting in low efficiency of maintenance work. It includes a cart frame with a plurality of walking wheel groups at the lower end, a movable frame is movably provided at the upper end of the cart frame, a platform lifting frame is vertically provided at one end of the movable frame, a lifting platform is movably provided in the platform lifting frame, one end of the movable frame is rotatably connected to one end of the cart frame through a hinged connection structure and the movable frame can swing circumferentially toward the outside of the cart frame under the action of external force, a jacking support device is provided on the cart frame and the movable frame, and a platform lifting drive mechanism that can drive the lifting platform to vertically lift is provided in the platform lifting frame. The advantage is that the movable frame of the device is connected to the cart frame through a hinged connection structure, and the movable frame can be pushed to unfold toward the outside of the cart frame, so that a wide range of use space can be achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of tunnel maintenance equipment, and in particular relates to a rail flatbed vehicle capable of fully covering tunnel maintenance. Background Art

[0002] With the development of transportation and the widespread use of railway tunnels, ensuring the safe operation of railways is now a major issue. In order to eliminate the hazards of railway tunnels and ensure the safety of train operation, tunnels need to be maintained and repaired. At present, maintenance personnel mainly inspect tunnels at regular intervals and at fixed points. When problems are found, they usually close the tunnels first, and then build working platforms for inspection and construction, which makes it impossible to quickly maintain the tunnels, adding pressure to railway transportation. At the same time, the small maintenance scope leads to low efficiency of maintenance work. Summary of the invention

[0003] The purpose of the present invention is to provide a rail flatbed vehicle that can fully cover tunnel maintenance in order to solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a rail flatbed car that can cover tunnel maintenance in all directions, including a car frame with a plurality of walking wheel groups at the lower end, a movable frame movably provided on the upper end of the car frame, a platform lifting frame is vertically provided at one end of the movable frame, a lifting platform is movably provided in the platform lifting frame, the movable frame is axially extended along the car frame, one end of the movable frame is rotatably connected to one end of the car frame through a hinged connection structure and the movable frame can be swung circumferentially toward the outer side of the car frame under the action of external force, a jacking support device is provided on the car frame and the movable frame, and a platform lifting drive mechanism that can drive the lifting platform to vertically lift and lower is provided in the platform lifting frame. The movable frame is connected to the flatbed frame through an articulated connection structure, which can push the movable frame to move toward the outside of the flatbed frame, thereby realizing a large range of use space and improving work efficiency. At the same time, the jacking support device is used to ensure the stability of the flatbed truck during use to avoid movement or shaking, and the lifting platform is connected to the platform lifting frame through the platform lifting drive mechanism, which allows the lifting platform to rise or fall stably during use.

[0005] In the above-mentioned rail flatbed vehicle capable of fully covering tunnel maintenance, the lifting support device comprises a lifting mechanism disposed at the lower end of the flatbed vehicle frame, and the end of the movable vehicle frame away from the hinged connection structure is provided with a support mechanism located outside the end of the flatbed vehicle frame. The lifting mechanism can keep the flatbed vehicle frame in a stable state, and the support mechanism can keep the movable vehicle frame in a stable state.

[0006] In the above-mentioned rail flatbed vehicle that can fully cover tunnel maintenance, the platform lifting frame has two outer frames located on the upper side of one end of the movable frame close to the support mechanism, and the two outer frames are respectively provided with vertically arranged inner frames. The platform lifting drive mechanism includes guide grooves formed between the two sides of the outer frame and the two sides of the inner frame and arranged vertically, and the two sides of the lifting platform are respectively provided with guide wheel assemblies that slide vertically in the guide grooves. The platform lifting frame is provided with a pulley assembly, and a pulley assembly is wound around the pulley assembly. The pulley is connected to the guide groove of the platform lifting frame, and one end of the pull rope is connected to the lifting driver. The lifting platform is connected to the guide groove of the platform lifting frame through the guide wheel assembly, so that the lifting platform can move up and down along the direction of the guide groove.

[0007] In the above-mentioned rail flatbed car that can fully cover tunnel maintenance, the upper end of the flatbed car frame has a horizontally arranged rectangular support plate, the movable frame includes a triangular rotating part, one end of the rotating part is connected to one end of the support plate through the above-mentioned hinged connection structure, and the other end of the rotating part is connected to a rectangular movable frame, and the movable frame has a plurality of mutually parallel transverse beams and a plurality of mutually parallel longitudinal beams, the transverse beams and longitudinal beams are arranged crosswise and are respectively located inside the rotating part and the movable frame. The transverse beams and longitudinal beams can strengthen the overall structure of the movable frame.

[0008] In the above-mentioned rail flatbed vehicle that can fully cover tunnel maintenance, the hinged connection structure includes a hinge column vertically arranged on the support plate, and the end of the rotating part away from the movable frame has a hinge sleeve sleeved on the hinge column; the support mechanism includes a support cylinder arranged on both sides of the end of the movable frame away from the rotating part through a horizontally adjustable mounting assembly and respectively arranged vertically, and a support column is arranged in the support cylinder through a vertically adjustable mounting assembly, and the lower ends of the support columns respectively have support parts. The rotating part is connected to the hinge column of the support plate through a hinge sleeve, and the design structure of the rotating part can enable the movable frame to move in a larger range.

[0009] In the above-mentioned rail flatbed vehicle that can fully cover tunnel maintenance, the horizontally adjustable mounting assembly includes a mounting beam that is away from one end of the movable frame and extends to the outside of one end of the support plate, and the mounting beam has mounting channels that penetrate the two ends of the mounting beam, and one side of the support cylinder is fixedly provided with a horizontal mounting tube that is movably inserted into the mounting channel and vertically arranged with the support cylinder, and the horizontal mounting tube is provided with a plurality of horizontal mounting holes arranged in sequence along the horizontal direction, and the mounting beam is provided with a mounting tube fixing hole corresponding to one of the horizontal mounting holes, and the mounting tube fixing hole is connected to one of the horizontal mounting holes through a mounting tube fixing pin; the vertically adjustable mounting assembly includes a plurality of vertical mounting holes arranged in sequence on the support column in the vertical direction, and the support cylinder is provided with a support column fixing hole corresponding to one of the vertical mounting holes, and the support column fixing hole is connected to one of the vertical mounting holes through a support column fixing pin. The mounting beam cooperates with the support cylinder to achieve the function of left and right adjustment, and the support cylinder cooperates with the support column to achieve the function of up and down adjustment, so that the movable frame can be fixed under different conditions.

[0010] In the above-mentioned rail flatbed vehicle that can fully cover tunnel maintenance, the lifting platform includes a platform base, and the four corners of the platform base are respectively provided with vertically arranged platform columns, and the upper ends of the platform columns are provided with a rectangular platform frame. The platform base is in a rectangular frame shape and is provided with a number of base beams arranged parallel to each other in the platform base, and a number of transverse ribs and a number of longitudinal ribs arranged laterally are provided at the upper end of the platform base. The transverse ribs and the longitudinal ribs are cross-arranged to form a grid plate located at the upper end of the platform base.

[0011] In the above-mentioned rail flatbed vehicle that can fully cover tunnel maintenance, the guide wheel assembly includes four guide seats arranged at the four corners of the platform base, the guide seats are slidably arranged in the guide groove, and a plurality of guide wheel bodies are arranged on the guide seats, the guide seats are L-shaped and the guide seats include a vertical part connected to the platform base at the lower end, the upper end of the vertical part is connected to a horizontal part that is perpendicular to the vertical part and horizontally passes through the guide groove, each guide seat is provided with two guide wheel bodies, the two guide wheel bodies are respectively located on both sides of the guide groove and the two guide wheel bodies are respectively abutted against the side of the inner frame; the pulley assembly includes a plurality of pulley bodies arranged at the upper end of the platform lifting frame, the platform base is provided with a plurality of connecting parts that cooperate with the pulley body and are used to connect the pull rope, and the lifting drive is any one of an electric winch, a hoist and an electric hoist. The two guide wheel bodies abut against the inner frame, so that the horizontal part can reduce the tilting phenomenon when moving, thereby ensuring the overall stability of the platform base when moving.

[0012] In the above-mentioned rail flatbed vehicle that can fully cover tunnel maintenance, a rectangular base is provided on the upper side of one end of the movable frame, and the lower ends of the outer frame and the inner frame are respectively fixedly arranged on the rectangular base; or, the lower ends of the outer frame or the inner frame are fixedly arranged on the rectangular base and the outer frame is movably arranged in the vertical direction relative to the inner frame, and the two outer frames are respectively provided with inclined reinforcement rods on the same side, and the two reinforcement rods are arranged crosswise. The reinforcement rods can ensure the stability of the platform lifting frame and avoid the phenomenon of misalignment and offset.

[0013] In the above-mentioned rail flatbed car that can cover tunnel maintenance in all directions, the car frame includes a rectangular car frame, and the car frame is circumferentially provided with a plurality of frame cross beams and a plurality of frame longitudinal beams arranged in parallel with each other, the frame cross beams and the frame longitudinal beams are arranged crosswise with each other, and the lower end of the car frame has at least two sets of running wheel groups, and at least one of the running wheel groups is a driving wheel group connected to a running drive, the running wheel group includes running wheel bodies respectively arranged on both sides of the end of the car frame, and the running wheel bodies are connected by wheel axles; the jacking mechanism includes a plurality of jacking drives vertically arranged at the lower end of the car frame, the lower end of the jacking drive has a telescopic rod and the telescopic rod is connected to a jacking seat, the lower end of the jacking seat has a positioning groove, a workbench is provided on the upper side of one end of the car frame away from the lifting platform, an operating part is provided in the middle of the workbench, a plurality of seats are respectively provided on both sides of the operating part, and an operating chair corresponding to the operating part is provided at the upper end of the rotating part. The frame crossbeam and frame longitudinal beam can strengthen the overall structure of the cart frame. The jacking driver controls the jacking seat to move downward. After the positioning groove of the jacking seat contacts the rail, the overall stability of the cart frame can be ensured to avoid danger caused by movement.

[0014] Compared with the prior art, the invention has the advantages of:

[0015] The movable frame of the device is connected to the vehicle frame body through a hinged connection structure, and the movable frame can be pushed to unfold toward the outside of the vehicle frame body, so that a wide range of use space can be achieved.

[0016] The device utilizes a supporting mechanism to fix the movable frame when the movable frame moves to a suitable position, and at the same time the flatbed frame is fixed to the rail through a jacking mechanism, thereby ensuring the stability of the flatbed when in use.

[0017] The device forms a guide groove between the outer frame and the inner frame through the design structure of the platform lifting frame, and the lifting platform is connected to the guide groove of the platform lifting frame through the guide wheel assembly, so that the lifting platform can operate stably during the lifting process.

[0018] Two guide wheel bodies are installed on the horizontal part of the guide wheel assembly of the device, and the two guide wheel bodies are respectively against the inner frame, which ensures the stability of the lifting platform when moving and reduces the phenomenon of movement tilt. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the present invention from another perspective.

[0021] Figure 3 It is a structural schematic diagram of the platform lifting frame in the present invention.

[0022] Figure 4 It is a structural schematic diagram of the lifting platform in the present invention.

[0023] Figure 5 It is a structural schematic diagram of the guide seat in the present invention.

[0024] Figure 6 It is a structural schematic diagram of the installation beam in the present invention.

[0025] Figure 7 It is a structural schematic diagram of the supporting cylinder in the present invention.

[0026] Figure 8 It is a structural schematic diagram of the support column in the present invention.

[0027] In the figure: a cart frame 1, a walking wheel group 11, a driving wheel group 111, a walking wheel body 112, a wheel axle 113, a walking driver 114, a movable frame 12, a transverse beam 121, a longitudinal beam 122, a support plate 13, a rotating part 14, a movable frame 15, a rectangular base 16, a reinforcing rod 17, a cart frame 18, a frame crossbeam 181, a frame longitudinal beam 182, a workbench 19, an operating part 191, a seat 192, an operating chair 193, a platform lifting frame 2, a lifting platform 21, a platform base 211, a platform column 212, a platform frame 213, a base crossbeam 214, a transverse rib 215, a longitudinal rib 216, a grid plate 217, an outer frame 22, an inner frame 23, a pulley assembly 24, and a pulley body 25, connecting part 26, hinged connecting structure 3, hinged column 31, hinged sleeve 32, jacking support device 4, jacking mechanism 41, supporting mechanism 42, supporting cylinder 43, supporting column 44, supporting part 45, jacking driver 46, telescopic rod 47, jacking seat 48, positioning groove 49, platform lifting drive mechanism 5, guide groove 51, guide wheel assembly 6, guide seat 61, guide wheel body 62, vertical part 63, horizontal part 64, horizontally adjustable mounting assembly 7, mounting beam 71, mounting channel 72, horizontal mounting pipe 73, horizontal mounting hole 74, mounting pipe fixing hole 75, mounting pipe fixing pin 76, vertical adjustable mounting assembly 8, vertical mounting hole 81, support column fixing hole 82, support column fixing pin 83. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] like Figure 1-Figure 8 As shown, a rail flatbed car that can cover tunnel maintenance in all directions includes a car frame 1 with a plurality of running wheel groups 11 at the lower end, a movable frame 12 is movably provided on the upper end of the car frame 1, a platform lifting frame 2 is vertically provided at one end of the movable frame 12, a lifting platform 21 is movably provided in the platform lifting frame 2, the movable frame 12 is axially extended along the car frame 1, one end of the movable frame 12 is rotatably connected to one end of the car frame 1 through a hinge connection structure 3 and can make the movable frame 12 swing circumferentially toward the outer side of the car frame 1 under the action of external force, a jacking support device 4 is provided on the car frame 1 and the movable frame 12, and a platform lifting drive mechanism 5 that can drive the lifting platform 21 to vertically lift is provided in the platform lifting frame 2. The movable frame 12 is connected to the cart frame 1 through an articulated connection structure 3, so that the movable frame 12 can be pushed to move toward the outside of the cart frame 1, thereby realizing a large range of use space and improving work efficiency. At the same time, the jacking support device 4 is used to ensure the stability of the flatbed truck during use to avoid movement or shaking, and the lifting platform 21 is connected to the platform lifting frame 2 through the platform lifting drive mechanism 5, so that the lifting platform 21 can be stably raised or lowered during use.

[0030] Combination Figure 1 and Figure 2 As shown, the lifting support device 4 includes a lifting mechanism 41 arranged at the lower end of the vehicle frame 1, and the end of the movable frame 12 away from the hinged connection structure 3 is provided with a support mechanism 42 located outside the end of the vehicle frame 1. The lifting mechanism 41 can keep the vehicle frame 1 in a stable state, and the support mechanism 42 can keep the movable frame 12 in a stable state.

[0031] like Figure 3 As shown, the platform lifting frame 2 has two outer frames 22 located on the upper side of one end of the movable frame 12 close to the support mechanism 42, and the two outer frames 22 are respectively provided with vertically arranged inner frames 23, and the platform lifting drive mechanism 5 includes guide grooves 51 formed between the two sides of the outer frames 22 and the two sides of the inner frames 23 and arranged vertically, and guide wheel assemblies 6 are respectively provided on both sides of the lifting platform 21 and slide vertically in the guide grooves 51, and the platform lifting frame 2 is provided with a pulley assembly 24, and a pull rope connected to the platform lifting frame 2 is wound around the pulley assembly 24, and one end of the pull rope is connected to the lifting drive. The lifting platform 21 is connected to the guide groove 51 of the platform lifting frame 2 through the guide wheel assembly 6, so that the lifting platform 21 can move up and down along the direction of the guide groove 51.

[0032] like Figure 1 As shown, the upper end of the panel vehicle frame 1 has a horizontally arranged rectangular support plate 13, the movable frame 12 includes a triangular rotating part 14, one end of the rotating part 14 is connected to one end of the support plate 13 through the above-mentioned hinge connection structure 3, and the other end of the rotating part 14 is connected to a rectangular movable frame 15, and the movable frame 12 has a plurality of mutually parallel transverse beams 121 and a plurality of mutually parallel longitudinal beams 122, which are arranged crosswise and are respectively located on the inner side of the rotating part 14 and the movable frame 15. The transverse beams 121 and the longitudinal beams 122 can strengthen the overall structure of the movable frame 12.

[0033] The hinge connection structure 3 includes a hinge column 31 vertically arranged on the support plate 13, and the end of the rotating part 14 away from the movable frame 15 has a hinge sleeve 32 sleeved on the hinge column 31; the support mechanism 42 includes a support cylinder 43 arranged on both sides of the end of the movable frame 15 away from the rotating part 14 through the horizontal adjustable mounting assembly 7 and respectively arranged vertically, and a support column 44 is arranged in the support cylinder 43 through the vertical adjustable mounting assembly 8, and the lower end of the support column 44 has a support portion 45. The rotating part 14 is connected to the hinge column 31 of the support plate 13 through the hinge sleeve 32, and the design structure of the rotating part 14 can make the movable frame 15 move in a wider range.

[0034] Combination Figure 2 , Figure 6 , Figure 7 and Figure 8 As shown, the horizontally adjustable mounting assembly 7 includes a mounting beam 71 which is a movable frame 15 away from one end of the rotating portion 14 and extends to the outside of one end of the support plate 13. The mounting beam 71 has mounting channels 72 that pass through both ends of the mounting beam 71. A horizontal mounting tube 73 that is movably arranged in the mounting channel 72 and is vertically arranged with the support cylinder 43 is fixed on one side of the support cylinder 43. The horizontal mounting tube 73 is provided with a plurality of horizontal mounting holes 74 that are arranged in sequence along the horizontal direction. A mounting tube fixing hole 75 corresponding to one of the horizontal mounting holes 74 is provided on the mounting beam 71. The mounting tube fixing hole 75 is connected to one of the horizontal mounting holes 74 through a mounting tube fixing pin 76. The vertically adjustable mounting assembly 8 includes a plurality of vertical mounting holes 81 that are arranged in sequence on the support column 44 in the vertical direction. A support column fixing hole 82 corresponding to one of the vertical mounting holes 81 is provided on the support cylinder 43. The support column fixing hole 82 is connected to one of the vertical mounting holes 81 through a support column fixing pin 83. The mounting beam 71 cooperates with the support cylinder 43 to achieve the function of left-right adjustment, and the support cylinder 43 cooperates with the support column 44 to achieve the function of up-down adjustment, so that the movable frame 15 can be fixed under different conditions.

[0035] like Figure 4 As shown, the lifting platform 21 includes a platform base 211, and vertically arranged platform columns 212 are respectively provided at the four corners of the platform base 211. A rectangular platform frame 213 is provided at the upper end of the platform column 212. The platform base 211 is in a rectangular frame shape and a plurality of base beams 214 arranged parallel to each other are provided inside the platform base 211. A plurality of transverse ribs 215 and a plurality of longitudinal ribs 216 arranged transversely are provided at the upper end of the platform base 211. The transverse ribs 215 and the longitudinal ribs 216 are cross-arranged with each other to form a grid plate 217 located at the upper end of the platform base 211.

[0036] Combination Figure 3 , Figure 4 and Figure 5As shown, the guide wheel assembly 6 includes four guide seats 61 arranged on the four corners of the platform base 211, the guide seats 61 are slidably inserted into the guide grooves 51, and a plurality of guide wheel bodies 62 are arranged on the guide seats 61. The guide seats 61 are L-shaped and include a vertical portion 63 connected to the platform base 211 at the lower end, and the upper end of the vertical portion 63 is connected to a horizontal portion 64 that is perpendicular to the vertical portion 63 and horizontally passes through the guide groove 51. Two guide wheel bodies 62 are arranged on each guide seat 61, and the two guide wheel bodies 62 are respectively located on both sides of the guide groove 51 and the two guide wheel bodies 62 are respectively abutted against the side portions of the inner frame 23; the pulley assembly 24 includes a plurality of pulley bodies 25 arranged on the upper end of the platform lifting frame 2, and a plurality of connecting portions 26 that cooperate with the pulley bodies 25 and are used to connect the pull rope are provided on the platform base 211, and the lifting drive is any one of an electric winch, a hoist and an electric hoist. The two guide wheel bodies 62 abut against the inner frame 23 , so that the horizontal portion 64 can reduce the tilting phenomenon when moving, thereby ensuring the overall stability of the platform base 211 when moving.

[0037] Combination Figure 1 and Figure 3 As shown, a rectangular base 16 is provided on the upper side of one end of the movable frame 12, and the lower ends of the outer frame 22 and the inner frame 23 are respectively fixedly arranged on the rectangular base 16; or, the lower ends of the outer frame 22 or the inner frame 23 are fixedly arranged on the rectangular base 16 and the outer frame 22 is movably arranged in the vertical direction relative to the inner frame 23, and an inclined reinforcement rod 17 is respectively provided between the two outer frames 22 on the same side, and the two reinforcement rods 17 are arranged crosswise. The reinforcement rod 17 can ensure the stability of the platform lifting frame 2 and avoid the phenomenon of misalignment and offset.

[0038] Combination Figure 1 and Figure 2As shown, the cart frame 1 includes a rectangular cart frame 18, and the cart frame 18 is circumferentially provided with a plurality of frame cross beams 181 and a plurality of frame longitudinal beams 182 arranged in parallel to each other, the frame cross beams 181 and the frame longitudinal beams 182 are arranged crosswise with each other, and at least two sets of running wheel groups 11 are respectively provided at the lower end of the cart frame 1, and at least one of the running wheel groups 11 is a driving wheel group 111 connected to a running driver 114, and the running wheel group 11 includes running wheel bodies 112 respectively arranged on both sides of the end of the cart frame 1, and the running wheel bodies 112 are respectively arranged on both sides of the end of the cart frame 1, and the running wheel bodies 112 are respectively arranged on both sides of the end of the cart frame 1. The wheel body 112 is connected by the wheel axle 113; the lifting mechanism 41 includes a plurality of lifting drivers 46 vertically arranged at the lower end of the cart frame 1, the lower end of the lifting driver 46 has a telescopic rod 47 and the telescopic rod 47 is connected to a lifting seat 48, the lower end of the lifting seat 48 has a positioning groove 49, a workbench 19 is provided on the upper side of the end of the cart frame 1 away from the lifting platform 21, an operating part 191 is provided in the middle of the workbench 19, a plurality of seats 192 are provided on both sides of the operating part 191, and an operating chair 193 corresponding to the operating part 191 is provided at the upper end of the rotating part 14. The frame cross beam 181 and the frame longitudinal beam 182 can strengthen the overall structure of the cart frame 18, the lifting driver 46 controls the lifting seat 48 to move downward, and after the positioning groove 49 of the lifting seat 48 contacts the rail, the stability of the overall cart frame 1 can be ensured to avoid danger caused by movement.

[0039] The principle of this embodiment is:

[0040] After the cart frame 1 moves to the specified position, the jacking mechanism 41 starts to operate, and the jacking driver 46 controls the jacking seat 48 to move downward so that the positioning groove 49 of the jacking seat 48 contacts the rail, thereby ensuring that the cart frame 1 will not move, and then the movable frame 12 is moved. The movable frame 12 is connected to the hinge column 31 of the cart frame 1 through the hinge sleeve 32. When the movable frame 12 moves to the appropriate position, first adjust the support cylinder 43, and then adjust the support column 44 to fix the movable frame 12. Then the connecting part 26 of the lifting platform 21 is connected to the pulley body 25 through a pull rope, and the end of the pull rope away from the connecting part 26 is connected to the lifting driver. The lifting platform 21 is connected to the platform lifting frame 2 through the guide wheel assembly 6. When the lifting driver is running, the lifting platform 21 is raised or lowered by the pull rope.

[0041] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0042] Although this article uses more of the cart frame 1, the walking wheel group 11, the driving wheel group 111, the walking wheel body 112, the wheel axle 113, the walking drive 114, the movable frame 12, the transverse beam 121, the longitudinal beam 122, the support plate 13, the rotating part 14, the movable frame 15, the rectangular base 16, the reinforcement rod 17, the cart frame 18, the frame cross beam 181, the frame longitudinal beam 182, the workbench 19, the operating part 191, the seat 192, the operating chair 193, the platform lifting frame 2, the lifting platform 21, the platform base 211, the platform column 212, the platform frame 213, the base cross beam 214, the transverse rib 215, the longitudinal rib 216, the grid plate 217, the outer frame 22, the inner frame 23, the pulley assembly 24, the pulley body 25, the connecting part 26, articulated connection structure 3, articulated column 31, articulated sleeve 32, jacking support device 4, jacking mechanism 41, support mechanism 42, support cylinder 43, support column 44, support part 45, jacking driver 46, telescopic rod 47, jacking seat 48, positioning groove 49, platform lifting drive mechanism 5, guide groove 51, guide wheel assembly 6, guide seat 61, guide wheel body 62, vertical part 63, horizontal part 64, horizontal adjustable mounting assembly 7, mounting beam 71, mounting channel 72, horizontal mounting pipe 73, horizontal mounting hole 74, mounting pipe fixing hole 75, mounting pipe fixing pin 76, vertical adjustable mounting assembly 8, vertical mounting hole 81, support column fixing hole 82, support column fixing pin 83 and other terms are used, but the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A rail flatbed vehicle capable of covering tunnel maintenance in all directions, comprising a vehicle frame (1) having a plurality of running wheel groups (11) at the lower end, a movable frame (12) being movably provided at the upper end of the vehicle frame (1), a platform lifting frame (2) being vertically provided at one end of the movable frame (12), a lifting platform (21) being movably provided inside the platform lifting frame (2), characterized in that: The movable frame (12) is arranged to extend axially along the cart frame (1), one end of the movable frame (12) is rotatably connected to one end of the cart frame (1) via a hinged connection structure (3) and can swing the movable frame (12) circumferentially toward the outside of the cart frame (1) under the action of an external force, a lifting support device (4) is provided on the cart frame (1) and the movable frame (12), and a platform lifting drive mechanism (5) capable of driving the lifting platform (21) to vertically lift is provided in the platform lifting frame (2); The lifting support device (4) comprises a lifting mechanism (41) arranged at the lower end of the vehicle frame (1), and the end of the movable frame (12) away from the hinged connection structure (3) is provided with a support mechanism (42) located outside the end of the vehicle frame (1); The upper end of the cart frame (1) has a horizontally arranged rectangular support plate (13), the movable frame (12) includes a triangular rotating part (14), one end of the rotating part (14) is connected to one end of the support plate (13) via the hinged connection structure (3), the other end of the rotating part (14) is connected to a rectangular movable frame (15), the movable frame (12) has a plurality of mutually parallel transverse beams (121) and a plurality of mutually parallel longitudinal beams (122), the transverse beams (121) and the longitudinal beams (122) are arranged crosswise and are respectively located on the inner side of the rotating part (14) and the movable frame (15); The hinged connection structure (3) comprises a hinge column (31) vertically arranged on the support plate (13), and the end of the rotating part (14) away from the movable frame (15) has a hinge sleeve (32) sleeved on the hinge column (31); the support mechanism (42) comprises support cylinders (43) arranged on both sides of the end of the movable frame (15) away from the rotating part (14) through a horizontally adjustable mounting assembly (7) and respectively arranged vertically, and support columns (44) are arranged in the support cylinder (43) through a vertically adjustable mounting assembly (8), and the lower ends of the support columns (44) respectively have support parts (45).

2. The rail flatbed vehicle capable of fully covering tunnel maintenance according to claim 1, characterized in that: The platform lifting frame (2) comprises two outer frames (22) located on the upper side of one end of the movable frame (12) close to the supporting mechanism (42), and the two outer frames (22) are respectively provided with inner frames (23) arranged vertically. The platform lifting drive mechanism (5) comprises guide grooves (51) formed between two sides of the outer frames (22) and two sides of the inner frames (23) and arranged vertically. Guide wheel assemblies (6) are respectively provided on two sides of the lifting platform (21) and slide vertically in the guide grooves (51). The platform lifting frame (2) is provided with a pulley assembly (24), and a pull rope connected to the platform lifting frame (2) is wound around the pulley assembly (24), and one end of the pull rope is connected to the lifting drive.

3. The rail flatbed vehicle capable of fully covering tunnel maintenance according to claim 1, characterized in that: The horizontally adjustable mounting assembly (7) comprises a mounting beam (71) which is located at one end of the movable frame (15) away from the rotating portion (14) and extends to the outside of one end of the support plate (13); the mounting beam (71) has mounting channels (72) passing through both ends of the mounting beam (71); a horizontal mounting tube (73) which is movably arranged in the mounting channel (72) and is arranged perpendicular to the support cylinder (43) is fixedly provided on one side of the support cylinder (43); a plurality of horizontal mounting holes (74) arranged in sequence along the horizontal direction are provided on the horizontal mounting tube (73); and a plurality of horizontal mounting holes (74) are provided on the mounting beam (71). There is a mounting tube fixing hole (75) corresponding to one of the horizontal mounting holes (74), and the mounting tube fixing hole (75) is connected to one of the horizontal mounting holes (74) via a mounting tube fixing pin (76); the vertically adjustable mounting assembly (8) comprises a plurality of vertical mounting holes (81) arranged in sequence on the support column (44) in a vertical direction, and a support column fixing hole (82) corresponding to one of the vertical mounting holes (81) is provided on the support cylinder (43), and the support column fixing hole (82) is connected to one of the vertical mounting holes (81) via a support column fixing pin (83).

4. The rail flatbed vehicle capable of fully covering tunnel maintenance according to claim 2, characterized in that: The lifting platform (21) comprises a platform base (211), wherein four corners of the platform base (211) are respectively provided with vertically arranged platform columns (212), and the upper ends of the platform columns (212) are provided with a rectangular platform frame (213), and the platform base (211) is in the shape of a rectangular frame and a plurality of mutually parallel arranged base beams (214) are provided inside the platform base (211), and a plurality of transversely arranged transverse ribs (215) and a plurality of longitudinal ribs (216) are provided at the upper end of the platform base (211), and the transverse ribs (215) and the longitudinal ribs (216) are arranged to cross each other to form a grid plate (217) located at the upper end of the platform base (211).

5. The rail flatbed vehicle capable of fully covering tunnel maintenance according to claim 4, characterized in that: The guide wheel assembly (6) comprises four guide seats (61) arranged at four corners of the platform base (211), the guide seats (61) are slidably arranged in the guide groove (51), and a plurality of guide wheel bodies (62) are arranged on the guide seats (61), the guide seats (61) are L-shaped and the guide seats (61) comprise a vertical portion (63) connected to the platform base (211) at the lower end, and a horizontal portion (64) is connected to the upper end of the vertical portion (63) and is arranged perpendicular to the vertical portion (63) and horizontally passes through the guide groove (51), and each guide wheel body (62) is provided with a plurality of guide wheel bodies (62) and a plurality of guide wheel bodies (62) are provided on the guide seats (61), and the guide seats (61) are L-shaped and comprise a vertical portion (63) connected to the platform base (211) at the lower end, and a horizontal portion (64) is connected to the upper end of the vertical portion (63) and is arranged perpendicular to the vertical portion (63) and horizontally passes through the guide groove (51), and each guide wheel body (62) is provided with a plurality of guide wheel bodies (62) and a plurality of guide wheel bodies (62) are provided on the guide seats (61), and each guide wheel body (61 ... Two guide wheel bodies (62) are provided on a guide seat (61), the two guide wheel bodies (62) are respectively located on both sides of the guide groove (51) and the two guide wheel bodies (62) are respectively abutted against the side parts of the inner frame (23); the pulley assembly (24) comprises a plurality of pulley bodies (25) arranged at the upper end of the platform lifting frame (2); the platform base (211) is provided with a plurality of connecting parts (26) cooperating with the pulley bodies (25) and used for connecting the pulley rope; the lifting drive is any one of an electric winch, a hoist and an electric hoist.

6. The rail flatbed vehicle capable of fully covering tunnel maintenance according to claim 2, characterized in that: A rectangular base (16) is provided on the upper side of one end of the movable frame (12), and the lower ends of the outer frame (22) and the inner frame (23) are respectively fixedly arranged on the rectangular base (16); or, the lower ends of the outer frame (22) or the inner frame (23) are respectively fixedly arranged on the rectangular base (16), and the outer frame (22) is movably arranged in the vertical direction relative to the inner frame (23), and obliquely arranged reinforcement rods (17) are respectively provided between the two outer frames (22) on the same side, and the two reinforcement rods (17) are arranged crosswise.

7. The rail flatbed vehicle capable of fully covering tunnel maintenance according to claim 1, characterized in that: The cart frame (1) comprises a rectangular cart frame (18), and the cart frame (18) is provided with a plurality of frame cross beams (181) and a plurality of frame longitudinal beams (182) arranged in parallel to each other in the circumferential direction, and the frame cross beams (181) and the frame longitudinal beams (182) are arranged crosswise to each other, and at least two sets of running wheel groups (11) are provided at the lower end of the cart frame (1), and at least one of the running wheel groups (11) is a driving wheel group (111) connected to a running drive (114), and the running wheel group (11) comprises running wheel bodies (112) respectively arranged on both sides of the end of the cart frame (1), and the running wheel bodies (112) are connected to the running wheel bodies (114). The lifting mechanism (41) comprises a plurality of lifting drivers (46) vertically arranged at the lower end of the cart frame (1); the lower end of the lifting driver (46) comprises a telescopic rod (47) and the telescopic rod (47) is connected to a lifting seat (48); the lower end of the lifting seat (48) comprises a positioning groove (49); a workbench (19) is provided on the upper side of one end of the cart frame (1) away from the lifting platform (21); an operating part (191) is provided in the middle of the workbench (19); a plurality of seats (192) are respectively provided on both sides of the operating part (191); and an operating chair (193) corresponding to the operating part (191) is provided at the upper end of the rotating part (14).

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