Subway rail mounting mechanism

Abstract

The invention relates to rail mounting, in particular to a subway rail mounting mechanism which comprises a device support, moving mechanisms are fixedly connected to the front side and the rear side of the device support, two feeding mechanisms are fixedly connected to the device support, and a material changing mechanism is fixedly connected to each feeding mechanism. A plurality of mounting screws are placed on each material changing mechanism, and a mounting mechanism is fixedly connected to each material changing mechanism; and the installation and connection of the fasteners between the track and the sleeper can be completed instead of manual work.

Description

TECHNICAL FIELD

[0001] The present application relates to track installation, more particularly to a subway track installation mechanism. BACKGROUND

[0002] As the backbone of urban public transportation, the safety and stability of subway operation is of great importance, and the foundation of all this lies in the high-precision and high-quality track system. The track system is not a whole, but a complex system precisely connected by components such as steel rails, sleepers, fasteners, and track beds. Among them, the fastener, as a key component connecting the steel rail and the sleeper, plays a core role in fixing the position of the steel rail, preventing longitudinal and transverse displacement of the steel rail, and providing necessary elasticity, thereby ensuring the accuracy of the track gauge, absorbing train impact load, and reducing vibration and noise.

[0003] During the construction and maintenance of the subway track, the installation of the track fastener is a heavy, repetitive and highly demanding task. Currently, in domestic and foreign subway construction, the installation of the fastener mainly relies on manual operation; manual operation is inefficient and cannot accurately control the locking force of the fastener during installation. SUMMARY

[0004] The purpose of the present application is to provide a subway track installation mechanism that can replace manual work to complete the installation and connection of the fastener between the track and the sleeper.

[0005] The purpose of the present application is achieved by the following technical solutions:

[0006] A subway track installation mechanism, comprising a device support, the front and rear sides of the device support are fixedly connected with a moving mechanism, two feeding mechanisms are fixedly connected on the device support, a changing mechanism is fixedly connected on each feeding mechanism, a plurality of installation screws are placed on each changing mechanism, and an installation mechanism is fixedly connected on each changing mechanism.

[0007] The moving mechanism comprises a moving support, two lead screws are rotatably connected on the moving support, the screw directions of the two lead screws are opposite, two clamping supports are slidably connected on the moving support, the two clamping supports are threadedly connected on the two lead screws respectively, a clamping wheel is rotatably connected on each clamping support, a power mechanism I for driving the clamping wheel to rotate is fixedly connected on the clamping support, and a clamping motor for driving the two lead screws to rotate is fixedly connected on the moving support.

[0008] A moving support is fixedly connected on the moving support, and a moving wheel is rotatably connected on the moving support.

[0009] The feeding mechanism comprises an extension mechanism I, the extension mechanism I is fixedly connected on the device support, a feeding inclined cavity is fixedly connected on the extension end of the extension mechanism I, and a mounting hole is arranged on the upper side of the front end of the feeding inclined cavity.

[0010] The telescopic mechanism II is fixedly connected to the feeding inclined cavity, a limiting bottom plate is fixedly connected to the telescopic end of the telescopic mechanism II, the limiting bottom plate is slidingly connected to the bottom of the front end of the feeding inclined cavity, and a through slot is arranged on the limiting bottom plate;

[0011] The refueling mechanism comprises a refueling support, a refueling disc is rotationally connected to the refueling support, and a plurality of placing slots are arranged on the refueling disc;

[0012] The refueling support is fixedly connected with a power mechanism II for driving the refueling disc to rotate;

[0013] The placing slot is hexagonal, a rectangular slot is arranged on two symmetrical edges of the hexagonal shape, and an elastic sheet is arranged at the bottom of the rectangular slot;

[0014] The screw head of the mounting screw is hexagonal and can be placed in the placing slot, and the elastic sheet supports the screw head of the mounting screw;

[0015] The mounting mechanism comprises a telescopic mechanism III, the telescopic mechanism III is fixedly connected to the refueling support, a mounting motor is fixedly connected to the telescopic end of the telescopic mechanism III, a mounting fork plate is fixedly connected to the output shaft of the mounting motor, and the mounting fork plate can be inserted into the rectangular slot arranged on the side edge of the placing slot and in contact with the screw head of the mounting screw. BRIEF DESCRIPTION OF DRAWINGS

[0016] The application will be further described in detail below with reference to the drawings and specific implementation methods.

[0017] Figure 1 is a schematic structural view of a subway track mounting mechanism of the application;

[0018] Figure 2 is a schematic structural view of a moving mechanism and device support of the application;

[0019] Figure 3 is a schematic structural view of a moving mechanism of the application;

[0020] Figure 4 is a front view of the moving mechanism of the application;

[0021] Figure 5 is a schematic structural view of a device support of the application;

[0022] Figure 6 is a schematic structural view of a feeding mechanism of the application;

[0023] Figure 7 is a schematic structural view of a limiting bottom plate of the application;

[0024] Figure 8 is a schematic structural view of a refueling mechanism of the application;

[0025] Figure 9 is the bottom view of the refueling mechanism of the present application;

[0026] Figure 10 is the structural schematic view of the mounting mechanism of the present application.

[0027] In the figure: moving mechanism 1; moving support 11; screw rod 12; clamping support 13; clamping wheel 14; clamping motor 15; movement support 16; movement wheel 17; device support 2; feeding mechanism 3; telescopic mechanism I 31; feeding inclined cavity 32; mounting hole 33; telescopic mechanism II 34; limiting bottom plate 35; through slot 36; refueling mechanism 4; refueling support 41; refueling disc 42; placing groove 43; elastic sheet 44; mounting screw 5; mounting mechanism 6; telescopic mechanism III 61; mounting motor 62; mounting fork plate 63. DETAILED DESCRIPTION

[0028] The present application will be further described in detail below with reference to the accompanying drawings.

[0029] As Figures 1 to 10 shown below, the structure and function of a subway track mounting mechanism are described in detail;

[0030] A subway track mounting mechanism, comprising a device support 2, the front and back of the device support 2 are fixedly connected with a moving mechanism 1, the device support 2 is fixedly connected with two feeding mechanisms 3, each feeding mechanism 3 is fixedly connected with a refueling mechanism 4, each refueling mechanism 4 is placed with a plurality of mounting screws 5, and each refueling mechanism 4 is fixedly connected with a mounting mechanism 6;

[0031] When in use, as Figure 1 shown, the two moving mechanisms 1 are placed on a track, and the subway track mounting mechanism is driven to move on the track by the two moving mechanisms 1, so that the subway track mounting mechanism moves along the track, in the process of movement, the two feeding mechanisms 3 place the fasteners to be installed on the underside of the refueling mechanism 4, the refueling mechanism 4 moves the mounting screws 5 to the upside of the fasteners, and the mounting mechanism 6 installs the mounting screws 5 and the fasteners, so that the mounting screws 5 and the fasteners are installed on the track and the sleeper, thereby completing the connection between the track and the sleeper;

[0032] As Figure 2As shown, the moving mechanism 1 comprises a moving support 11, two screw rods 12 are rotationally connected to the moving support 11, the screw rods 12 are opposite in screw direction, two clamping supports 13 are slidingly connected to the moving support 11, the clamping supports 13 are threadedly connected to the screw rods 12 respectively, clamping wheels 14 are rotationally connected to the clamping supports 13, a power mechanism I is fixedly connected to the clamping supports 13 and drives the clamping wheels 14 to rotate, a clamping motor 15 is fixedly connected to the moving support 11 and drives the screw rods 12 to rotate;

[0033] A moving support 11 is fixedly connected to the moving support 11, and a moving wheel 17 is rotationally connected to the moving support 16.

[0034] In use, the two moving wheels 17 are placed on the upper side of the track, the clamping motor 15 is started, the clamping motor 15 is preferably a servo motor, the output shaft of the clamping motor 15 starts to rotate, the output shaft of the clamping motor 15 drives the two screw rods 12 to rotate, the screw rods 12 drive the clamping supports 13 to move through the thread when rotating, the two clamping supports 13 move closer to or away from each other, the clamping supports 13 drive the clamping wheels 14 to move, so that the two clamping wheels 14 move closer to or away from each other, so that the clamping wheels 14 contact the side of the track, thereby clamping the side of the track, so that the moving mechanism 1 is installed on the track, the power mechanism I is started, the power mechanism I is preferably a servo motor, the output shaft of the power mechanism I drives the clamping wheels 14 to rotate, the clamping wheels 14 drive the moving mechanism 1 to move on the track during rotation, thereby enabling the subway track installation mechanism to move along the track;

[0035] Further, as shown, Figure 6 The structure and function of the feeding mechanism 3 will be described in detail below.

[0036] The feeding mechanism 3 comprises a telescopic mechanism I 31 fixedly connected to the device support 2, a feeding inclined cavity 32 fixedly connected to the telescopic end of the telescopic mechanism I 31, and a mounting hole 33 provided on the upper side of the front end of the feeding inclined cavity 32.

[0037] The telescopic mechanism II 34 is fixedly connected to the feeding inclined cavity 32, the telescopic end of the telescopic mechanism II 34 is fixedly connected to a limiting bottom plate 35, the limiting bottom plate 35 is slidingly connected to the bottom of the front end of the feeding inclined cavity 32, and a through slot 36 is provided on the limiting bottom plate 35.

[0038] In use, a plurality of fasteners are placed in the feeding inclined cavity 32, and the fasteners slide in the feeding inclined cavity 32 under the action of their own gravity, so that the fasteners to be installed move to the side of the mounting hole 33, and then when one fastener is installed, the subsequent fasteners will also move to the side of the mounting hole 33 under the action of gravity;

[0039] Further, the telescopic mechanism 31 can be started, which can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism 31 drives the feeding inclined cavity 32 to move, thereby adjusting the height of the feeding inclined cavity 32, and further adjusting the height between the fastener and the rail sleeper;

[0040] Further, as shown in the drawings, the structure and function of the material changing mechanism 4, the mounting screw 5 and the mounting mechanism 6 will be described in detail as follows; Figures 8 to 10

[0041] The material changing mechanism 4 comprises a material changing support 41, and a material changing disc 42 is rotatably connected to the material changing support 41. A plurality of placing grooves 43 are arranged on the material changing disc 42.

[0042] The material changing support 41 is fixedly connected with a power mechanism II for driving the material changing disc 42 to rotate.

[0043] The placing groove 43 is hexagonal, and a rectangular groove is arranged on two symmetrical sides of the hexagonal shape. An elastic sheet 44 is arranged at the bottom of the rectangular groove.

[0044] The screw head of the mounting screw 5 is hexagonal and can be placed in the placing groove 43. The elastic sheet 44 supports the screw head of the mounting screw 5.

[0045] The mounting mechanism 6 comprises a telescopic mechanism III 61, which is fixedly connected to the material changing support 41. A mounting motor 62 is fixedly connected to the telescopic end of the telescopic mechanism III 61. A mounting fork plate 63 is fixedly connected to the output shaft of the mounting motor 62. The mounting fork plate 63 can be inserted into the rectangular groove arranged on the side of the placing groove 43 and can be in contact with the screw head of the mounting screw 5.

[0046] In use, a plurality of mounting screws 5 are placed in a plurality of placing grooves 43 in advance. The elastic sheet 44 supports the mounting screw 5. The power mechanism II is started. The power mechanism II is preferably a servo motor. The output shaft of the power mechanism II drives the material changing disc 42 to rotate. The material changing disc 42 drives a plurality of placing grooves 43 to move. The placing groove 43 drives the mounting screw 5 to move, so that a plurality of mounting screws 5 move to the upper side of the mounting hole 33 in turn.

[0047] The telescopic mechanism III 61 is started. The telescopic mechanism III 61 is preferably a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism III 61 drives the mounting motor 62 to move. The mounting motor 62 drives the mounting fork plate 63 to move, so that the mounting fork plate 63 moves downward. A magnet is arranged on the mounting fork plate 63. The magnet is inserted into the rectangular groove arranged on the side of the placing groove 43 and is in contact with the screw head of the mounting screw 5. The magnet on the mounting fork plate 63 adsorbs the screw head of the mounting screw 5. ​

[0048] Continue to start the telescopic mechanism III 61, so that the telescopic mechanism III 61 push the mounting screw 5 to move downward, so that the mounting screw 5 extrude the elastic sheet 44, so that the mounting screw 5 and the mounting fork plate 63 pass through the elastic sheet 44, the elastic sheet 44 is preferably of rubber material, the lower end of the mounting screw 5 is inserted into the mounting hole position of the fastener, the lower end of the mounting screw 5 passes through the slot 36 into the mounting hole position on the sleeper;

[0049] Start the installation motor 62, the installation motor 62 is preferably a servo motor, the output shaft of the installation motor 62 rotates a specified number of turns, the output shaft of the installation motor 62 drives the installation fork plate 63 to rotate, the installation fork plate 63 drives the mounting screw 5 to rotate, so that the mounting screw 5 installs the fastener on the sleeper;

[0050] In the process of installation, start the telescopic mechanism II 34, which can be a hydraulic cylinder or an electric push rod, the telescopic end of the telescopic mechanism II 34 drives the limiting bottom plate 35 to move, so that the limiting bottom plate 35 is extracted, so that the fastener is completely dropped onto the sleeper, thereby completing the installation of the fastener;

[0051] Then the installation fork plate 63 rises and resets, the limiting bottom plate 35 resets, the remaining fasteners in the feeding inclined cavity 32 move to the installation hole 33 side again, the new mounting screw 5 is rotated by the material changing disc 42, the moving mechanism 1 moves forward a specified distance and stops, and the next installation is performed, so as to repeatedly replace the artificial installation and connection of the fastener between the track and the sleeper.

Claims

1. A subway track installation mechanism, comprising a device bracket (2), characterized in that: The front and rear sides of the device bracket (2) are fixedly connected to a moving mechanism (1), the device bracket (2) is fixedly connected to two feeding mechanisms (3), each feeding mechanism (3) is fixedly connected to a material changing mechanism (4), each material changing mechanism (4) is provided with a plurality of mounting screws (5), and each material changing mechanism (4) is fixedly connected to a mounting mechanism (6).

2. A subway track installation mechanism according to claim 1, characterized in that: The moving mechanism (1) includes a moving bracket (11), two screw rods (12) are rotatably connected to the moving bracket (11), and the spiral rotation directions of the two screw rods (12) are opposite. Two clamping brackets (13) are slidably connected to the moving bracket (11), and the two clamping brackets (13) are respectively connected to the two screw rods (12) through threads. The two clamping brackets (13) are both rotatably connected to clamping wheels (14), and the clamping brackets (13) are fixedly connected to a power mechanism I for driving the clamping wheels (14) to rotate. The moving bracket (11) is fixedly connected to a clamping motor (15) for driving the two screw rods (12) to rotate.

3. The subway track installation mechanism according to claim 2, characterized in that: The movable bracket (11) is fixedly connected to a motion bracket (16), and the motion bracket (16) is rotatably connected to a motion wheel (17).

4. The subway track installation mechanism according to claim 1, characterized in that: The feeding mechanism (3) includes a telescopic mechanism I (31), which is fixedly connected to the device bracket (2), and a feeding tilt cavity (32) is fixedly connected to the telescopic end of the telescopic mechanism I (31), and a mounting hole (33) is provided on the upper side of the front end of the feeding tilt cavity (32).

5. The subway track installation mechanism according to claim 4, characterized in that: The feeding inclined cavity (32) is fixedly connected to a telescopic mechanism II (34), and a limiting bottom plate (35) is fixedly connected to the telescopic end of the telescopic mechanism II (34). The limiting bottom plate (35) is slidably connected to the bottom of the front end of the feeding inclined cavity (32), and a through groove (36) is provided on the limiting bottom plate (35).

6. The subway track installation mechanism according to claim 5, characterized in that: The material changing mechanism (4) comprises a material changing bracket (41), a material changing disc (42) is rotatably connected to the material changing bracket (41), and a plurality of placement slots (43) are provided on the material changing disc (42).

7. The subway track installation mechanism according to claim 6, characterized in that: The material changing bracket (41) is fixedly connected to a power mechanism II for driving the material changing disc (42) to rotate.

8. The subway track installation mechanism according to claim 6, characterized in that: The placement groove (43) is hexagonal, and rectangular grooves are provided on two symmetrical sides of the hexagon. An elastic sheet (44) is provided at the bottom of the rectangular groove.

9. The subway track installation mechanism according to claim 8, characterized in that: The hexagonal screw head of the mounting screw (5) can be placed in the placement groove (43), and the elastic sheet (44) supports the screw head of the mounting screw (5).

10. The subway track installation mechanism according to claim 8, characterized in that: The mounting mechanism (6) includes a telescopic mechanism III (61), which is fixedly connected to the material replacement bracket (41). A mounting motor (62) is fixedly connected to the telescopic end of the telescopic mechanism III (61), and a mounting fork plate (63) is fixedly connected to the output shaft of the mounting motor (62). The mounting fork plate (63) can be inserted into a rectangular groove provided on the side of the placement groove (43) and contact the screw head of the mounting screw (5).

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