Sleeper replacement device

Abstract

The present application provides a sleeper replacement device, which belongs to the technical field of railway accessory laying. The device includes: a mounting plate with a main shaft mounted on the top; a driving gear provided on the main shaft; a guide wheel provided at the bottom of the mounting plate; a lifting plate provided below the mounting plate, the top surface of which is provided with a rack meshing with the driving gear; two matching plates provided at the bottom of the lifting plate, one side of which is rotatably connected to the bottom surface of the lifting plate; support wheels provided on the two opposite matching surfaces; a fixing assembly provided between the matching plate and the lifting plate; two mounting seats provided below the two sides of the mounting plate, each with a pulley provided at the bottom; a feed plate, one end of which is rotatably connected to one mounting seat, and the other end of which faces one side of the railway rail; a discharge plate, one end of which is rotatably connected to the other mounting seat, and the other end of which faces the other side of the railway rail; a traction bar, the two ends of which are respectively connected to the other end of the feed plate and the discharge plate; and a brake assembly provided at the bottom of the mounting plate. The replacement device has high sleeper replacement efficiency and safety.

Description

Technical Field

[0001] The present application belongs to the technical field of railway accessory laying, and in particular relates to a sleeper replacement device. Background Art

[0002] In railway systems, sleepers (also known as railroad ties) are critical load-bearing components laid beneath the rails and laterally fixed to the trackbed (ballast layer). They are primarily used to secure the rails and distribute the tremendous vertical pressure and lateral impact exerted on the rails by the wheels. During railway maintenance, workers must inspect sleepers within a specified section, select those that meet damage criteria, and then replace them.

[0003] When replacing sleepers, workers use special cleaning tools to clean the ballast around the damaged sleeper, exposing the ballast and leaving it suspended in the air. Then, they release the connecting fasteners between the sleeper and the rail, and two people use ropes and crowbars to simultaneously exert lateral force to drag the damaged sleeper out from under the rail. After that, they need to use ropes to push the new sleeper in laterally and fine-tune its position with the crowbar. Finally, they need to prop up the new sleeper so that it contacts the rail and install the connecting fasteners to complete the replacement of the sleeper. At the same time, during the process of pulling out the damaged sleeper and pushing in the new sleeper, they must also be careful not to damage the rail and avoid the risk of injury from the sleeper and crowbar. The entire replacement process is complicated and tedious, requiring 5 to 6 people to work together, and there are certain safety hazards.

[0004] Although there are some large-scale sleeper replacement equipment on the market, these large-scale sleeper replacement equipment are mainly suitable for replacement in sections or replacement of the entire line. In addition, these large-scale sleeper replacement equipment are expensive, have high operating costs, and are difficult to use. When replacing individual sleepers within a section, most of the operations are still manual. Therefore, there is an urgent need for a replacement device that is suitable for replacing individual sleepers, has high sleeper replacement efficiency, and is safer. Summary of the Invention

[0005] In order to solve the above-mentioned deficiencies of the prior art, the present application provides a sleeper replacement device with high sleeper replacement efficiency and safety.

[0006] In order to achieve the above object, the present invention adopts the following technologies:

[0007] A sleeper replacement device, comprising:

[0008] The mounting plate has a main shaft mounted parallel to the top thereof and arranged to rotate about its own axis, with its axis arranged in the longitudinal direction of the mounting plate; a driving gear is coaxially arranged on the main shaft; guide wheels are provided on both sides of the bottom of the mounting plate for rolling engagement with the railway rails;

[0009] The lifting plate is arranged in the same direction and parallel to the bottom of the mounting plate, and a rack is vertically provided on its top surface, which slides through the mounting plate and meshes with the driving gear; the bottom of the lifting plate is provided with two matching plates arranged in the width direction of the mounting plate, one side of which is rotatably connected to the bottom surface of the lifting plate; support wheels are arranged in an array along the length direction on the opposite surfaces of the two matching plates, and their rotation axes are perpendicular to the matching plates;

[0010] A fixing assembly is provided between the mating plate and the lifting plate, and is used to fix the mating plate in a state perpendicular to the lifting plate, and to fix the two mating plates in a state in which the other sides of the mating plates are separated from each other and rotated in the opposite direction to a predetermined angle;

[0011] Two mounting seats are respectively arranged below the two sides of the mounting plate, with pulleys provided at the bottom, and the mounting seats are connected to the mounting plate through a connecting frame;

[0012] The feed plate has a plate surface parallel to the main shaft, one end of which is rotatably connected to a mounting seat, with the rotation axis parallel to the main shaft axis, and the other end facing the side of the railway rail;

[0013] The discharge plate has a plate surface arranged parallel to the main shaft, one end of which is rotatably connected to another mounting seat, the rotation axis is parallel to the main shaft axis, and the other end faces the other side of the railway rail;

[0014] The traction bar has two ends connected to the other end of the feed plate and the other end of the discharge plate, and the middle part acts on the main shaft. The main shaft is used to release or pull the traction bars on both sides by rotating to adjust the angle of the feed plate and the discharge plate;

[0015] The brake assembly is arranged at the bottom of the mounting plate and is used to act on the railway rails to fix the mounting plate.

[0016] The beneficial effects of the present invention are:

[0017] 1. Through the arrangement of the main shaft, feed plate, discharge plate, traction bar, and lifting plate, and in conjunction with the meshing of the gear and rack, the removal of the sleeper to be replaced and the installation preparation of the new sleeper can be carried out simultaneously, and the entry of the new sleeper and the discharge of the sleeper to be replaced can be carried out simultaneously, which greatly simplifies the sleeper replacement process and effectively improves the sleeper replacement efficiency;

[0018] 2. By setting up two sliders and strip plates, and with the cooperation of the matching rod and the strip hole, the replacement device can quickly position the sleeper to the correct position through the two positioning rods before the sleeper is installed on the rail, changing the method of fine-tuning with a crowbar during manual installation, further simplifying the sleeper replacement process and improving the efficiency of sleeper replacement;

[0019] 3. The two-stage design of the strip hole allows the positioning rods to be moved to both ends of the new sleeper for abutment and positioning when the new sleeper is installed. When the new sleeper enters under the rail and the sleeper to be replaced is discharged, the positioning rods can be moved to both sides of the sleeper, thereby not blocking the passage for movement between the sleeper to be replaced and the new sleeper, thereby making the replacement device highly automated and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the main structure of the device of the embodiment of the present application.

[0021] Figure 2 yes Figure 1 A magnified view of the part in the middle.

[0022] Figure 3 This is a state diagram of the embodiment of the present application when the matching plate is perpendicular to the lifting plate.

[0023] Figure 4 yes Figure 3 A magnified view of the part B in the middle.

[0024] Figure 5 yes Figure 3 Enlarged view of the part C in the middle.

[0025] Figure 6 It is a structural schematic diagram of the mounting plate of an embodiment of the present application.

[0026] Figure 7 yes Figure 6 A magnified view of the detail in middle D.

[0027] Figure 8 This is a diagram of the matching relationship between the mounting plate and the rail in the embodiment of the present application.

[0028] Figure 9 This is a diagram of the matching relationship between the matching plate and the sleeper in the embodiment of the present application.

[0029] Figure 10 yes Figure 9 Enlarged view of the detail in middle E.

[0030] Figure 11 This is a diagram of the coordination between the support wheel and the bottom of the sleeper in an embodiment of the present application.

[0031] Figure 12 This is a state diagram of the support wheel supporting the sleeper in the embodiment of the present application.

[0032] : 1-mounting plate, 11-spindle, 12-driving gear, 13-guide wheel, 14-connecting frame, 15-rack frame, 16-sprocket, 17-support, 2-lifting plate, 21-rack, 22-matching plate, 23-support wheel, 24-pin hole, 3-fixing assembly, 31-support plate, 32-fixing pin, 33-C-shaped buckle, 34-round rod, 35-spring, 4-mounting seat, 41-pulley, 5-feed plate, 51-conveyor roller, 52-limiting plate, 6-discharge plate, 7-traction bar, 8-brake assembly, 81-vertical plate, 82-screw, 9-positioning mechanism, 91-guide plate, 92-slider, 93-T-slot, 94-strip plate, 941-matching rod, 95-vertical rod, 96-positioning rod, 97-bidirectional screw, 98-horizontal plate, 99-strip hole. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the embodiments described in the present invention are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Example 1

[0035] The present application embodiment provides a sleeper replacement device, such as Figures 1 to 8 As shown, it includes: a mounting plate 1, a lifting plate 2, a fixing assembly 3, two mounting seats 4, a feed plate 5, a discharge plate 6, a traction bar 7, a brake assembly 8, etc.

[0036] Among them, Figure 1 and Figure 3 As shown, the mounting plate 1 is rectangular, and a main shaft 11 is mounted above it in parallel and rotated around its own axis, with its rotation axis arranged toward the length direction of the mounting plate 1. Accordingly, a support structure can be installed above the mounting plate 1, for example, bearing seats are installed at both ends of the mounting plate 1, and both ends of the main shaft 11 are passed through the inner ring of the bearing to support the main shaft 11. At the same time, a drive motor can be installed at one end of the mounting plate 1 and the reducer can be used to drive the main shaft 11. Specifically, a cable reel can be selected to power the drive motor, and a cable reel is fixedly installed at the node of the operating railway section. The end of the cable is connected to the drive motor. When the mounting plate 1 is away from the node, the reel releases the cable; when the mounting plate 1 is close to the node, the reel retracts the cable. In this way, the power supply method of the reel cable can power the drive motor within a distance of hundreds of meters, which meets the requirements for section sleeper replacement. In addition, the drive motor can also be powered by the contact network power supply system above the railway, which can effectively extend the operating length and avoid cable entanglement.

[0037] like Figure 1 and Figure 3As shown, two driving gears 12 are coaxially provided on the main shaft 11; the front and rear ends on both sides of the bottom of the mounting plate 1 are installed with guide wheels 13 that roll with the rail head. Specifically, a flange groove is opened on the circular surface of the guide wheel 13 for embedding the rail head, thereby guiding the mounting plate 1 to run horizontally on the track to prevent derailment.

[0038] like Figures 1 to 4 As shown, the lifting plate 2 is arranged in a rectangular shape, and the lifting plate 2 is arranged in the same direction and parallel to the bottom of the mounting plate 1. Two racks 21 are vertically provided on its top surface, which are slidably penetrated through the mounting plate 1 and respectively meshed with the corresponding driving gears 12; the bottom of the lifting plate 2 is provided with two matching plates 22 arranged in the width direction of the mounting plate 1, and the width is greater than the height of the sleeper. One side of the matching plate 22 is rotatably connected to the bottom surface of the lifting plate 2; support wheels 23 are arranged in an array along the length direction on the opposite surfaces of the other side of the two matching plates 22, and the rotation axis is perpendicular to the matching plates 22; when the two matching plates 22 are rotated to be parallel to each other and perpendicular to the lifting plate 2, the distance between the two matching plates 22 can pass horizontally through the sleeper, and the axes of the support wheels 23 on the two matching plates 22 are in the same plane parallel to the lifting plate 2.

[0039] like Figures 1 to 4 As shown, the fixing assembly 3 is disposed between the mating plate 22 and the lifting plate 2, and is used to secure the mating plate 22 in a perpendicular position relative to the lifting plate 2. It is also used to rotate the two mating plates 22 in opposite directions to a predetermined angle, with their other sides moving away from each other. Two mounting blocks 4 are located below the mounting plate 1 on either side, each with a pulley 41 at its bottom. The mounting blocks 4 are connected to the mounting plate 1 via a connecting frame 14.

[0040] like Figures 1 to 3 As shown, the feed plate 5 is rectangular, and its length is adapted to the length of the sleeper. The feed plate 5 is parallel to the main shaft 11, and one end is rotatably connected to a mounting seat 4, with the rotation axis parallel to the axis of the main shaft 11, and the other end faces the side of the railway rail. Figures 1 to 3 As shown, the discharge plate 6 is rectangular, and its length is adapted to the length of the sleeper. The surface of the discharge plate 6 is parallel to the main shaft 11, and one end is rotatably connected to another mounting seat 4, with the rotation axis parallel to the axis of the main shaft 11, and the other end faces the other side of the railway rail. Figure 1 and Figure 3 As shown, the middle of the feed plate 5 and the discharge plate 6 are hollow, and conveying rollers 51 are arranged in an array along their own length direction. The axis of the conveying roller 51 is parallel to the axis of the main shaft 11;

[0041] like Figures 1 to 3As shown, the traction bars 7 in this embodiment are chains, and there are two of them. Two sprockets 16 are coaxially provided on the main shaft 11. The two sprockets 16 are located between the two driving gears 12. One end of the two traction bars 7 is respectively connected to the two sides of the other end of the feed plate 5, and the other ends of the two traction bars 7 are respectively connected to the two sides of the other end of the discharge plate 6. The middle parts of the two traction bars 7 are respectively engaged with the corresponding sprockets 16; by rotating the main shaft 11, the traction bars 7 on both sides can be released or pulled to adjust the feed plate 5 and the discharge plate 6. The angle of the material plate 6; when the main shaft 11 engages with the rack 21 through the driving gear 12 to adjust the lifting plate 2 to a predetermined distance from the mounting plate 1, one end of the traction bar 7 pulls the feed plate 5 to be parallel to the mounting plate 1, and the other end of the traction bar 7 lowers the discharge plate 6 to a downward tilt; when the main shaft 11 engages with the rack 21 through the driving gear 12 to raise the lifting plate 2 to a predetermined height, one end of the traction bar 7 lowers the feed plate 5 to a downward tilt, and the other end of the traction bar 7 pulls the discharge plate 6 to be parallel to the mounting plate 1.

[0042] In addition to using chains, the traction bar 7 can also use ropes to achieve the above functions. The ropes are wound around the main shaft 11, and the two ends of the ropes are respectively connected to the other ends of the feed plate 5 and the discharge plate 6. The main shaft 11 retracts and releases the ropes on both sides by rotating to achieve angle adjustment of the feed plate 5 and the discharge plate 6. Specifically, a guide mechanism can be provided on the main shaft 11 so that the rope can be evenly wound or released along its length direction as the main shaft 11 rotates to avoid slipping of the rope.

[0043] like Figure 6 As shown, the brake assembly 8 is provided at the bottom of the mounting plate 1 and is used to act on the rail to fix the mounting plate 1 .

[0044] The following content will explain the sleeper changing process of the sleeper changing device in combination with the railway structure:

[0045] Device on track: Figure 6 and Figure 8 As shown, the two matching plates 22 are rotated in the opposite direction to a predetermined angle from a state perpendicular to the lifting plate 2 with the other sides thereof separating from each other, and the matching plates 22 are fixed using the fixing assembly 3; the device is then hoisted onto the rail so that the heads of the two rails are respectively embedded in the wheel flange grooves of the guide wheels 13 on both sides of the mounting plate 1, the lifting plate 2 is located between the two rails, the guide wheels 13 are rollingly engaged with the rails, the two mounting seats 4 are located on the ground on both sides of the rails, and the pulleys 41 at the bottom thereof are rollingly engaged with the ground, and the mounting plate 1 is facing the length direction of the rail and is in a horizontal state. At this time, the matching plate 22 and the support wheels 23 installed thereon are fixed above the sleeper, and when the mounting plate 1 moves, the matching plate 22 and the support wheels 23 will not collide or interfere with the sleeper, thereby ensuring the stability of the movement of the mounting plate 1; at the same time, with the cooperation of the pulley 41, the entire sleeper changing device can move stably along the rail.

[0046] Device fixation: Figure 6 and Figure 8 As shown, the mounting plate 1 is moved along the rail to just above the sleeper to be replaced whose ballast has been cleaned. Since the ballast has been cleaned, the sleeper to be replaced is in a suspended state. The fixing assembly 3 is operated to fix the two matching plates 22 to be perpendicular to the lifting plate 2. The two matching plates 22 are located horizontally between the two rails, and the sleeper to be replaced is located between the two matching plates 22. Then the braking assembly 8 is operated to fix the sleeper changing device on the rail, and the main shaft 11 is rotated to adjust the position of the lifting plate 2 so that the lifting plate 2 is a predetermined distance away from the mounting plate 1. At this time, the support wheels 23 are located just below both sides of the sleeper to be replaced, and the projection of the support wheels 23 along the height direction of the mounting plate 1 is located on the bottom surface of the sleeper to be replaced. The axis of the support wheel 23 is coplanar with the axis of the conveying roller 51 on the feed plate 5.

[0047] Disassembly of sleepers to be replaced: Figures 8 to 11 As shown, the driving main shaft 11 rotates to raise the lifting plate 2 to a predetermined height. At this time, the support wheels 23 on the two matching plates 22 respectively abut against both sides of the bottom surface of the sleeper to be replaced, and at the same time, the sprocket 16 engages with the traction bar 7, and the traction bar 7 refers to the chain, so that one end of the traction bar 7 lowers the feed plate 5 to a downward tilt, and the other end of the traction bar 7 pulls the discharge plate 6 to be parallel to the mounting plate 1; the connecting piece between the sleeper to be replaced and the rail is removed, and the removed sleeper to be replaced will not fall instantly, but will be supported by the support wheels 23 from both sides of the bottom surface of the sleeper to be replaced; while removing the sleeper to be replaced, since the feed plate 5 is in an inclined state, its other end faces the ground, one end of the new sleeper can be directly aligned with the other end of the feed plate 5, and the feed plate 5 can be pushed up laterally.

[0048] The discharge of sleepers to be replaced: Figures 9 to 12 As shown, the driving spindle 11 rotates in the opposite direction to lower the lifting plate 2. During the period when the spindle 11 drives the lifting plate 2 to descend, the support wheel 23 supports the sleeper to be replaced and moves downward, the sprocket 16 rotates with the spindle 11, and one end of the traction bar 7 pulls up the other end of the feed plate 5 carrying the new sleeper; when the lifting plate 2 descends to a predetermined distance from the mounting plate 1, the spindle 11 stops rotating. At this time, the feed plate 5 is parallel to the mounting plate 1, and the axis of the support wheel 23 is coplanar with the axis of the conveying roller 51 on the feed plate 5. The sleeper to be replaced and the new sleeper are in the same position. At a certain height, the bottom surface of the sleeper to be replaced is coplanar with the bottom surface of the new sleeper, and the discharge plate 6 is in an inclined state; due to the rolling cooperation between the conveying roller 51 and the supporting wheel 23 and the bottom surface of the sleeper, the new sleeper can be easily pushed under the rail and at the same time move toward the discharge plate 6 against the sleeper to be replaced until the new sleeper moves to the right under the rail and is supported by the supporting wheel 23, and the sleeper to be replaced is pushed toward the discharge plate 6 by the entry of the new sleeper, and slides to the outside of the rail through the discharge plate 6 and the conveying roller 51 installed thereon, at which time the discharge of the sleeper to be replaced is completed.

[0049] Installation of new sleepers: Figure 11 and Figure 12As shown, similar to the process of removing the sleeper to be replaced, the main shaft 11 is driven to rotate, causing the lifting plate 2 to rise to a predetermined height. At this time, the two ends of the top surface of the new sleeper are respectively in contact with the bottom of the two rails. At this time, the connector is installed between the new sleeper and the rails, thereby completing the installation of the new sleeper. After the new sleeper is installed, the lifting plate 2 is lowered to a predetermined distance from the installation plate 1, and the fixing assembly 3 is operated to rotate the two mating plates 22 from a state perpendicular to the lifting plate 2 to a predetermined angle with the other sides separating from each other. The brake assembly 8 is unlocked, and the sleeper replacement device is moved to the next sleeper to be replaced.

[0050] The support wheel 23 rises again, and the new sleeper can be lifted to abut the rail, so as to facilitate the installation of the new sleeper. To sum up, the sleeper replacement device can simultaneously carry out the disassembly of the sleeper to be replaced and the installation preparation of the new sleeper, and synchronize the entry of the new sleeper and the discharge of the sleeper to be replaced, which greatly simplifies the sleeper replacement process and effectively improves the sleeper replacement efficiency; at the same time, after the sleeper to be replaced is disassembled, it is supported and moved downward by the support wheel 23, which can effectively avoid being hit by the sleeper and ensure the safety of the sleeper process; in addition, the replacement device changes the way of manually pulling the sleeper with a rope. During the lateral movement of the sleeper, the conveying roller 51 or the support wheel 23 rolls with it, which saves time and effort and further simplifies the sleeper replacement process; through the rotation setting of the matching plate 22 and the lifting plate 2, and in conjunction with the fixing component 3, the position of the matching plate 22 can be adjusted and fixed to ensure that during the movement of the mounting plate 1, the matching plate 22 and the support wheel 23 installed thereon do not collide and interfere with the sleeper, thereby ensuring the smooth movement of the mounting plate 1.

[0051] It should be noted that when the device replaces the sleepers, the main shaft 11 needs to be fixed to ensure the fixed positions of the feed plate 5, the discharge plate 6, and the lifting plate 2, which puts high requirements on the self-locking property of the main shaft 11. Specifically, an electromagnetic brake can be installed on the output shaft of the driving motor of the main shaft 11 or the high-speed end of the reducer. When the power is on, the driving motor can rotate freely. When the power is off, the shaft can be locked instantly, and it can also withstand a large inertia load. In addition, a worm gear reducer can also be used to achieve a self-locking effect.

[0052] When the device is discharging the sleeper to be replaced, the new sleeper presses against the rear end of the sleeper to be replaced and pushes it toward the discharge plate 6. The front end of the sleeper to be replaced tilts and contacts the conveying roller 51 of the discharge plate 6 to form a lever. The rear end of the sleeper to be replaced tilts and may get stuck at the bottom of the rail. This may cause the sleeper to be replaced to be unable to be effectively discharged and may damage the rail. The following is a preferred solution, which is as follows:

[0053] To solve the problem of the rear end of the sleeper to be replaced tilting up and getting stuck under the rail, we can proceed from the following perspectives: ensure that when the matching plate 22 is perpendicular to the lifting plate 2 and the lifting plate 2 is a predetermined distance away from the mounting plate 1, the distance between the support wheel 23 and the rail is sufficient, that is, when the support wheel 23 supports the sleeper to be replaced, the distance between the sleeper to be replaced and the rail is sufficient, so that when the sleeper to be replaced slides out, the rear end will not contact the rail when it tilts up; in addition, by reducing the inclination angle of the discharge plate 6, the speed of the sleeper to be replaced can be reduced, and the tilting angle of the rear end can be reduced, so that the rear end of the sleeper to be replaced can be guaranteed to keep a distance from the rail at all times, avoiding the problem of collision with the rail. Figures 8 to 12 As shown, one end of the discharge plate 6 and the feed plate 5 are respectively hinged on the corresponding mounting seat 4, and the two ends of the traction bar 7 are respectively connected to the other end of the discharge plate 6 and the feed plate 5. The main shaft 11 drives the sprocket 16 to engage the traction bar 7 to pull or lower the other end of the discharge plate 6 and the feed plate 5, so that the discharge plate 6 and the feed plate 5 rotate around the intersection axis with the mounting seat 4. The greater the angle of rotation of the main shaft 11, the greater the angle change of the discharge plate 6 and the feed plate 5, and the more the main shaft 11 rotates, the more it drives the rack through the driving gear 12. The longer the running length of 21 is, the greater the predetermined distance between the lifting plate 2 and the mounting plate 1 is increased, thereby increasing the distance between the supporting wheel 23 and the rail when the matching plate 22 is perpendicular to the lifting plate 2; at the same time, the distance between the connection point between the traction bar 7 and the discharge plate 6 and the hinge point between the mounting seat 4 and the discharge plate 6 is increased, so that when the main shaft 11 drives the traction bar 7 to lower the discharge plate 6, the angle change of the discharge plate 6 is smaller, thereby making it have a smaller inclination angle, effectively reducing the tilting angle of the rear end of the sleeper to be replaced, and effectively avoiding the sleeper from getting stuck.

[0054] Specifically, such as Figure 1 As shown, both sides of the feed plate 5 and the discharge plate 6 are provided with limit plates 52 arranged along their own length direction, which can effectively prevent the sleepers from falling out from both sides of the feed plate 5 or the discharge plate 6 when being pushed in or discharged, thereby effectively improving the reliability of the replacement device.

[0055] Preferably, a baffle that can be opened and closed can be set at the other end of the feed plate 5. After the sleeper is pushed onto the feed plate 5, the baffle is closed to prevent the sleeper from sliding out from the other end of the feed plate 5 when the traction bar 7 pulls the feed plate 5 from tilted to horizontal.

[0056] Preferably, Figures 8 to 12As shown, there are two groups of connecting frames 14, which are respectively arranged on both sides of the mounting plate 1. The two groups of connecting frames 14 are respectively used to connect the two mounting seats 4; the connecting frames 14, the mounting plate 1, and the mounting seats 4 are arranged in an isosceles trapezoidal structure as a whole. The isosceles trapezoidal structure has good stability, so that the main shaft 11 can stably drive the feed plate 5, the discharge plate 6, and the lifting plate 2 to operate.

[0057] Specifically, such as Figure 1 and Figure 6 As shown, two rack racks 15 are vertically provided on the mounting plate 1, and the two racks 21 are respectively moved and fitted into the corresponding rack racks 15. In order to prevent the rack racks 15 from being deformed after long-term use, reinforcing ribs can be provided between the back surface of the rack rack 15 and the top surface of the mounting plate 1 to improve the service life of the replacement device.

[0058] Specifically, such as Figure 9 and Figure 10 As shown, the brake assembly 8 includes a pair of vertical plates 81 perpendicularly mounted to the bottom of the mounting plate 1. When the mounting plate 1 is positioned above the rails, the two vertical plates 81 are located on either side of the two rails. Screws 82 arranged along the width of the mounting plate 1 are threadedly engaged on the vertical plates 81. The two screws 82 are positioned opposite each other. During application, the screws 82 are rotated so that they press against the outside of the rails, respectively. The self-locking nature of the screw drive secures the mounting plate 1. Alternatively, a pair of clamps can be provided at the bottom of the mounting plate 1, one on each side of the rails. The jaws of the clamps press against the outside of the rails, thereby securing the mounting plate 1.

[0059] Example 2

[0060] As a further implementation of the above embodiment 1, Figure 8 and Figure 11 As shown, during the actual installation of the sleeper, the sleeper must be located directly below the rail. When the sleeper rises to abut against the rail, the bottoms of the two rails must enter between the two mounting bolts provided at both ends of the sleeper before the connector can be installed. To ensure that the sleeper and the rail can be stably matched to the installation position, this embodiment proposes a preferred solution, which is as follows:

[0061] like Figures 3 to 7 As shown, a positioning mechanism 9 is provided under the mounting plate 1, which includes two pairs of guide plates 91 vertically arranged at the bottom of the mounting plate 1, and the guide plates 91 are arranged along the width direction of the mounting plate 1; sliders 92 are equidistantly provided on both sides of the lifting plate 2, and the two sliders 92 move synchronously toward each other along the width direction of the mounting plate 1 and cooperate between each pair of guide plates 91; the bottom surface of the slider 92 is located below the guide plate 91, and is provided with a T-shaped slot 93 arranged along the length direction of the mounting plate 1, and a strip plate 94 is slidably fitted in the T-shaped slot 93, and a vertical rod 95 is connected to the bottom of the strip plate 94, and a positioning rod 96 arranged toward the length direction of the mounting plate 1 is provided at the lower end of the vertical rod 95.

[0062] like Figure 3 、 Figure 5 As shown, a bidirectional screw 97 is provided along the width of the mounting plate 1 below, rotating about its own axis. Supports 17 are provided on both sides of the bottom surface of the mounting plate 1. The two ends of the bidirectional screw 97 engage with corresponding supports 17. The bidirectional screw 97 is located between each pair of guide plates 91. Two sliders 92 are respectively inserted into the two opposite ends of the bidirectional screw 97 and engage with their threads. Specifically, a drive motor can be installed on one side of the mounting plate 1 to drive the bidirectional screw 97 to rotate.

[0063] like Figures 4 to 7 As shown, a horizontal plate 98 is provided on the outer side of the bottom end of the two guide plates 91 on one side of the bidirectional screw rod 97, which is arranged parallel to the mounting plate 1; a strip hole 99 is opened on the horizontal plate 98, and the strip hole 99 is arranged in two sections, front and back, the front section is arranged along the width direction of the mounting plate 1, and the rear section is bent at a preset angle; the top surface of one end of the strip plate 94 located below the horizontal plate 98 is provided with a matching rod 941 perpendicular to the mounting plate 1, and the matching rod 941 moves along the path of the strip hole 99 and matches inside it.

[0064] When in use, before installing a new sleeper, the two sliders 92 are located on both sides of the bottom of the mounting plate 1, the matching rod 941 is matched with the end of the rear section of the strip hole 99, and the two positioning rods 96 are located on one side of the sleeper; when installing a new sleeper, the lifting plate 2 supports the new sleeper by the support wheel 23 to rise, and when the mounting bolts of the new sleeper are close to the bottom of the rail, the lifting plate 2 stops, the bidirectional screw rod 97 rotates, and the two sliders 92 move synchronously relative to each other, and the slider 92 drives the matching rod 941 to move along the rear section of the strip hole 99 to the front section, and the movement of the matching rod 941 along the strip hole 99 is converted into the movement of the strip plate 94 toward the sleeper, thereby driving the positioning rod 96 from the position on the sleeper One side moves to the two ends of the sleeper. When the matching rod 941 moves to the intersection of the front and rear sections of the strip hole 99, the projections of the two positioning rods 96 along the width direction of the mounting plate 1 are located on the two ends of the sleeper; the two sliders 92 continue to move closer, and the matching rod 941 begins to move along the front section of the strip hole 99. The strip plate 94 will not move along its length direction, so that the two positioning rods 96 abut the two ends of the sleeper, and the position of the sleeper is adjusted by the rolling cooperation of the support wheel 23 and the sleeper, and the mounting bolts arranged in pairs at both ends of the sleeper are aligned with the corresponding rails up and down; the lifting plate 2 continues to move upward, so that the bottoms of the two rails respectively enter between the corresponding two mounting bolts.

[0065] By setting the two sliders 92 and the strip plate 94, and with the cooperation of the matching rod 941 and the strip hole 99, the replacement device can quickly position the sleeper to the correct position through the two positioning rods 96 before the sleeper is installed on the rail, changing the method of using a crowbar for fine-tuning during manual installation, further simplifying the sleeper replacement process, and improving the sleeper replacement efficiency; at the same time, through the two-stage design of the strip hole 99, when installing a new sleeper, the positioning rods 96 can be moved to both ends of the new sleeper to abut and position it, and when the new sleeper enters under the rail and the sleeper to be replaced is discharged, the positioning rods 96 can be moved to both sides of the sleeper, so as not to block the movement channel of the sleeper to be replaced and the new sleeper, so that the replacement device has a high degree of automation and reliability.

[0066] Example 3

[0067] As a further implementation of the above embodiments 1 and 2, Figures 1 to 4 As shown, the fixing assembly 3 includes two pairs of support plates 31, each located at the bottom of each end of the lifting plate 2. Each pair of support plates 31 is located on either side of a corresponding mating plate 22. A fixing pin 32 is inserted into the end of the support plate 31, sliding along the width of the mounting plate 1. Pin holes 24 are provided on both sides of the mating plates 22, facing each other along the width of the mounting plate 1. When the mating plates 22 are perpendicular to the lifting plate 2, the fixing pins 32 are used to insert into the corresponding pin holes 24. C-shaped buckles 33 with downward openings are provided at both ends of the side surfaces of the lifting plate 2. A pair of round rods 34 are provided on the opposite sides of the mating plates 22. When the mating plates 22 are rotated in opposite directions to a predetermined angle with their other sides separating, the round rods 34 are used to buckle into the corresponding C-shaped buckles 33. The fixing pins 32 and the pin holes 24 allow the mating plates 22 to be quickly fixed perpendicular to the lifting plate 2. After the sleepers are replaced, the two mating plates 22 can be directly rotated to the round rods 34 and buckled into the C-shaped buckles 33, allowing the mounting plate 1 to be moved.

[0068] Preferably, Figure 2 As shown, a spring 35 can be provided on the fixing pin 32, one end of which is connected to one end of the fixing pin and the other end is connected to the support plate 31. The other end of the fixing pin 32 can be loaded into the pin hole 24 through the spring 35 to prevent the fixing pin 32 from falling out of the pin hole 24 when the sleeper is replaced, causing the fixing of the mating plate 22 to fail, thereby further improving the reliability of the replacement device.

[0069] Preferably, Figure 4 As shown, after the fixing pin 32 enters the pin hole 24, a stable triangular structure is formed between the support plate 31, the lifting plate 2, and the matching plate 22, so that the sleeper can stably pass through the supporting wheel 23, which can effectively improve the stability of the operation of the replacement device.

[0070] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application.

Claims

1. A sleeper replacement device, characterized in that: include: A main shaft (11) is mounted parallel to the mounting plate (1) and is arranged to rotate around its own axis, with its axis arranged in the longitudinal direction of the mounting plate (1); a driving gear (12) is coaxially provided on the main shaft (11); guide wheels (13) are provided on both sides of the bottom of the mounting plate (1) for rolling engagement with the steel rails of the railway; The lifting plate (2) is arranged in the same direction and parallel to the bottom of the mounting plate (1), and a rack (21) is vertically provided on its top surface, which is slidably penetrated through the mounting plate (1) and meshed with the driving gear (12); the bottom of the lifting plate (2) is provided with two matching plates (22) arranged in the width direction of the mounting plate (1), one side of which is rotatably connected to the bottom surface of the lifting plate (2); support wheels (23) are arranged in an array along the length direction of the two matching plates (22) on the opposite surfaces of the other side, and the rotation axis of the support wheels is perpendicular to the matching plates (22); A fixing assembly (3) is provided between the matching plate (22) and the lifting plate (2), and is used to fix the matching plate (22) in a state perpendicular to the lifting plate (2), and is used to fix the matching plate (22) when the other side of the matching plate (22) is rotated outwardly by a predetermined angle when the matching plate (22) is perpendicular to the lifting plate (2); There are two mounting seats (4), which are respectively arranged below the two sides of the mounting plate (1), and the bottoms of the mounting seats (4) are provided with pulleys (41). The mounting seats (4) and the mounting plate (1) are connected via a connecting frame (14); when in use, the two mounting seats (4) are respectively located outside the two sides of the railway rails; A feed plate (5) is provided with a plate surface parallel to the main shaft (11), one end of which is rotatably connected to a mounting seat (4), and the rotation axis is parallel to the axis of the main shaft (11). When in use, the other end of the feed plate (5) faces the side of the railway rail; A discharge plate (6) is provided with a plate surface parallel to the main shaft (11), one end of which is rotatably connected to another mounting seat (4), and the rotation axis is parallel to the axis of the main shaft (11). When in use, the other end of the discharge plate (6) faces the other side of the railway rail; A traction bar (7), the two ends of which are respectively connected to the other ends of the feed plate (5) and the discharge plate (6), the middle portion of which acts on the main shaft (11), and the main shaft (11) is used to release or pull the traction bars (7) on both sides thereof by rotating to adjust the angle of the feed plate (5) and the discharge plate (6); When the support wheel (23) rises to abut the bottom of the sleeper to be replaced, the feed plate (5) turns to tilt, and when the support wheel (23) supports the sleeper to be replaced and descends to a predetermined distance from the mounting plate (1), the discharge plate (6) is in a tilted state; A brake assembly (8) is provided at the bottom of the mounting plate (1) and is used to act on the railway rails to fix the mounting plate (1).

2. A sleeper replacement device according to claim 1, characterized in that: A positioning mechanism (9) is provided below the mounting plate (1), comprising two pairs of guide plates (91) vertically arranged at the bottom of the mounting plate (1), the guide plates (91) being arranged along the width direction of the mounting plate (1); sliders (92) are equidistantly provided on both sides of the lifting plate (2), the two sliders (92) synchronously move toward each other along the width direction of the mounting plate (1) and are fitted between each pair of guide plates (91); the bottom surface of the slider (92) is located below the guide plate (91) and is provided with a T-shaped slot (93) arranged along the length direction of the mounting plate (1), a strip plate (94) is slidably fitted in the T-shaped slot (93), the bottom of the strip plate (94) is connected to a vertical rod (95), the lower end of the vertical rod (95) is provided with a positioning rod (96) arranged toward the length direction of the mounting plate (1), and the two positioning rods (96) are respectively used to abut against the two ends of the sleeper.

3. A sleeper replacement device according to claim 2, characterized in that: A bidirectional screw rod (97) is provided below the mounting plate (1) along the width direction and is arranged to rotate around its own axis; the bidirectional screw rod (97) is located between each pair of guide plates (91), and the two sliders (92) are respectively sleeved on two opposite sections of the bidirectional screw rod (97) and matched with the threads.

4. A sleeper replacement device according to claim 3, characterized in that: A horizontal plate (98) is provided on the outer side of the bottom end of the two guide plates (91) on one side of the bidirectional screw rod (97), which is arranged parallel to the mounting plate (1); a strip hole (99) is opened on the horizontal plate (98), and the strip hole (99) is arranged in two sections, front and back, the front section is arranged along the width direction of the mounting plate (1), and the rear section is bent at a preset angle; a matching rod (941) is provided on the top surface of one end of the strip plate (94) located below the horizontal plate (98) and is perpendicular to the mounting plate (1), and the matching rod (941) moves along the path of the strip hole (99) and matches inside it.

5. The sleeper replacement device according to claim 1, characterized in that: The fixing assembly (3) comprises two pairs of support plates (31) respectively arranged at the bottom of both ends of the lifting plate (2), each pair of support plates (31) is respectively located on both sides of the corresponding matching plate (22), and the ends of the support plates (31) are slidably penetrated with fixing pins (32) along the width direction of the mounting plate (1); both sides of the matching plate (22) are provided with pin holes (24) opposite to each other along the width direction of the mounting plate (1); when the matching plate (22) is perpendicular to the lifting plate (2), the fixing pins (32) are used to insert into the corresponding pin holes (24); both ends of the two side surfaces of the lifting plate (2) are provided with C-shaped buckles (33) with openings facing downwards, and a pair of round rods (34) are mounted on the opposite sides of the two matching plates (22); when the two matching plates (22) rotate in the opposite direction to a predetermined angle with the other sides thereof separating from each other, the round rods (34) are used to buckle into the corresponding C-shaped buckles (33).

6. The sleeper replacement device according to claim 1, characterized in that: The middle parts of the feed plate (5) and the discharge plate (6) are hollow, and conveying rollers (51) are arranged in an array along their length direction. The axes of the conveying rollers (51) are parallel to the axis of the main shaft (11).

7. The sleeper replacement device according to claim 6, characterized in that: Both sides of the feed plate (5) and the discharge plate (6) are provided with limiting plates (52) arranged along their length directions.

8. The sleeper replacement device according to claim 1, characterized in that: A rack frame (15) is vertically provided on the mounting plate (1), and the rack (21) is movably fitted in the rack frame (15).

9. The sleeper replacement device according to claim 1, characterized in that: There are two groups of connecting frames (14), which are respectively arranged on both sides of the mounting plate (1). The two groups of connecting frames (14) are respectively used to connect the two mounting seats (4); the connecting frames (14), the mounting plate (1), and the mounting seats (4) are arranged in an isosceles trapezoidal structure as a whole.

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