Transfer device based on railway bogie maintenance

Abstract

The utility model relates to the technical field of rail transit equipment, and particularly discloses a transfer device based on railway bogie maintenance, which adopts a sliding table hidden underground and a dragging frame with an adjustable pitching angle to realize mechanical dragging of a bogie and replace manual labor, has the characteristics of automation, high efficiency and high concealment, and can be used for maintaining the bogie in a normal state. The dragging frame can reduce the pitching angle, does not interfere with the movement of a bogie and a frame, and does not affect the use of other work tasks of overhauling a ground rail of a workshop, and specifically comprises a sliding table and a dragging frame which can be fed in the horizontal direction and bears the pitching angle adjustable, and a rotating shaft of the dragging frame is perpendicular to the feeding direction of the sliding table; a towing hook is arranged at the free end of the towing frame; the power mechanism drives the sliding table to feed in the horizontal direction; the angle adjusting mechanism is used for driving the dragging frame to adjust the pitching angle; and when the angle of the towing frame is adjusted until the height of the towing hook is consistent with the height of the target workpiece, the towing hook can be fixedly combined with the target workpiece after approaching the target workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation equipment, in particular to a transfer device based on railway bogie maintenance. Background Art

[0002] During the operation of rail vehicles, the bogies need to be regularly inspected and maintained to ensure the driving safety of rail vehicles. When inspecting the bogies, the inspection frame needs to be separated from the frame first. The process is to lift the frame at a predetermined track position to separate the bogie below from the frame, and then drag the bogie out from under the frame. In existing maintenance workshops, the lifting of the frame is mostly carried out by a lift pre-buried underground, and the dragging of the bogie after the frame is lifted still mainly relies on manual dragging, which is inefficient, and personnel need to drill under the frame to work, which poses a great safety hazard. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a transfer device based on railway bogie maintenance. The transfer device adopts a slide hidden in the ground, combined with a towing frame with adjustable pitch angle, to realize the mechanized towing of the bogie and replace manual labor. The transfer device has the characteristics of automaticity, high efficiency and high concealment. In its normal state, the towing frame can reduce the pitch angle, will not interfere with the movement of the bogie and the frame, and will not affect the use of other work tasks of the ground track in the maintenance workshop, and can effectively solve the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transfer device based on railway bogie maintenance, comprising:

[0005] The slide table can be fed in the horizontal direction and carries a towing frame with an adjustable pitch angle, wherein the rotation axis of the towing frame is perpendicular to the feeding direction of the slide table;

[0006] A towing frame, a towing hook is provided at the free end;

[0007] A power mechanism for driving the slide to feed horizontally;

[0008] An angle adjustment mechanism for driving the towing frame to adjust the pitch angle;

[0009] When the towing frame is adjusted in angle to a point where the height of the towing hook is consistent with the height of the target workpiece, the towing hook can be fixedly combined with the target workpiece after approaching the target workpiece.

[0010] As a preferred technical solution of the utility model, the angle adjustment mechanism includes:

[0011] a buffer frame, hinged to the free end of the towing frame;

[0012] A telescopic cylinder, wherein the fixed end is hinged to the slide, the free end passes through the buffer frame, and a limit ring is arranged inside the free end to limit the maximum relative axial displacement between the free end and the buffer frame, and an elastic member is arranged between the free end of the telescopic cylinder and the buffer frame;

[0013] The telescopic cylinder, slide and towing frame form a triangular structure. The stability of the triangle is utilized to improve the stability of the towing hook during operation. The pitch angle adjustment of the towing frame, that is, the height adjustment of the towing hook, can be achieved by adjusting the length of the telescopic cylinder. In a normal state, the towing hook is in a low position, and its height is lower than the lowest point in the middle of the bogie. When the slide is feeding, the towing hook will not contact and collide with the bogie. When towing is performed, the length of the telescopic cylinder is adjusted to make the height of the towing hook consistent with the height of the axle in the bogie. When the slide drives the towing hook to approach the axle, the towing hook can be combined with the axle to drive the bogie to feed synchronously.

[0014] As a preferred technical solution of the utility model, the buffer frame is a frame-type structure, the free end of the telescopic cylinder penetrates the frame-type structure of the buffer frame, the limit ring is outside the free end in the frame-type structure, and elastic members are provided between the two ends of the limit ring and the two inner walls corresponding to the frame-type structure;

[0015] After adding the buffer frame, the problem of inaccurate positioning when the towing hook contacts the axle can be avoided. By adding the buffer frame, when the towing hook is combined, its height can be made slightly higher than the axle. When the towing frame contacts the axle, the elastic part can be compressed and the pitch angle of the towing frame is reduced, that is, the towing hook is tightly combined with the axle and positioned accurately.

[0016] As a preferred technical solution of the utility model, the power mechanism includes:

[0017] Pulleys located at both ends of the slide in the feeding direction;

[0018] A belt sleeved in two pulleys, one side of the belt being fixedly connected to the slide;

[0019] One end of the pulley is connected to a driving motor through a worm gear reduction mechanism;

[0020] The pulley is driven by a driving motor to rotate, and the belt-driven slide is pulled forward. When the load on the towing hook end is too large, the belt and the pulley can be unloaded by slipping, thus avoiding burning of the driving motor.

[0021] As a preferred technical solution of the utility model, there are two groups of pulleys and they are located on both sides of the slide, wherein the pulleys at the same end are coaxially arranged with turbines with opposite rotation directions, and the two groups of turbines are simultaneously meshed with the same worm, and the worm is connected to the driving motor in a transmission manner;

[0022] The output torque of the power mechanism is increased by transmitting through a worm gear reduction mechanism, and the transmission is carried out through two sets of counter-rotating turbines, which is beneficial to improving the consistency of the belt transmission on both sides.

[0023] As a preferred technical solution of the utility model, the towing hook is an S-shaped hook, including a forward towing hook and a reverse towing hook, and the height of the forward towing hook is higher than the reverse towing hook;

[0024] Adding a reverse towing hook enables the towing frame to simultaneously have the ability to reverse push the bogie.

[0025] As a preferred technical solution of the utility model, it also includes:

[0026] A towing track is pre-buried underground, and the lower end of the slide is slidably installed in the towing track;

[0027] The cover plate is installed flush with the ground, and the slide top or towing frame can penetrate the gap on the surface of the cover plate.

[0028] By using the covering plate, the entire transfer device except the towing frame is placed under the ground, which has little impact on the flatness of the ground and does not interfere with other ground operations.

[0029] As a preferred technical solution of the utility model, the drag track has a C-shaped cross section, the slide has an I-shaped cross section, and running wheels are respectively arranged on both sides of the lower plate, and the running wheels are rollingly arranged in the drag track;

[0030] Adding running wheels can help improve the smoothness of the slide. When a load is added to the slide, its two ends will be subjected to an upward or downward flipping force. The running wheels contact the upper and lower walls of the drag track trough and are suppressed, thereby ensuring the smoothness of the slide feed.

[0031] As a preferred technical solution of the utility model, the cross section of the drag track is "∝"-shaped; the cross section of the slide is I-shaped, and walking wheels are respectively arranged on both sides of the lower plate, and the walking wheels are rollingly arranged in the open groove of the drag track, and the return circulation section of the power mechanism runs through the closed groove of the drag track;

[0032] When the power mechanism adopts belt transmission, the unloaded side of the belt can be built into the closed groove of the drag track, that is, in the belt compartment.

[0033] Compared with the prior art, the utility model has at least the following beneficial effects:

[0034] 1. The transfer device based on railway bogie maintenance adopts a towing frame with adjustable pitch angle, that is, the height of the towing hook can be adjusted, so that it can freely change its working state when passing through the bottom of the frame, that is, the high-position towing hook realizes the towing of the bogie, and the low-position towing hook realizes the avoidance of the bogie, thereby improving its flexibility of use;

[0035] 2. At the same time, the transfer equipment is placed underground in the form of underground towing tracks, which further improves the flatness of the surface and does not affect the other surface operations;

[0036] 3. Add a buffer frame inside the towing frame to further reduce the precision requirements of the towing hook during engagement and improve its convenience in actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the structure of the utility model;

[0038] Figure 2 This is a cross-sectional view of the utility model;

[0039] Figure 3 This is a cross-sectional view of the utility model taken along line AA;

[0040] Figure 4 This is a cross-sectional view of the utility model at BB;

[0041] Figure 5 This is an enlarged view of the C portion of the utility model;

[0042] Figure 6 This is a schematic diagram of another embodiment of the towing frame of the utility model;

[0043] Figure 7 It is a schematic diagram of the working state of the utility model.

[0044] In the figure: 1, slide; 101, walking wheel; 2, towing frame; 201, towing hook; 202, reverse towing hook; 3, telescopic cylinder; 301, limit ring; 302, buffer frame; 303, elastic member; 4, power mechanism; 401, pulley; 402, worm gear reduction mechanism; 403, belt; 5, cover plate; 6, towing track; 601, belt bin. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] See also Figure 1-Figure 7 The utility model provides a technical solution: a transfer device based on railway bogie maintenance, which adopts a slide hidden underground and a towing frame with adjustable pitch angle to realize the mechanized towing of the bogie, replacing manual labor, and has the characteristics of automaticity, high efficiency and high concealment. In its normal state, the towing frame can reduce the pitch angle, will not interfere with the movement of the bogie and the frame, and will not affect the use of other work tasks on the ground track of the maintenance workshop, specifically including,

[0047] See also Figure 3 , a slide 1, which can be fed in a horizontal direction and carries a towing frame 2 with an adjustable pitch angle, and a rotation axis of the towing frame 2 is perpendicular to the feeding direction of the slide 1;

[0048] The drag track 6 has a C-shaped cross section, the slide 1 has an I-shaped cross section, and running wheels 101 are respectively provided on both sides of the lower plate, and the running wheels 101 are rollingly arranged in the drag track 6;

[0049] By adding the running wheel 101, the smoothness of the sliding of the slide 1 is improved. When a load is added to the slide 1, its two ends will be subjected to an upward or downward turning force. The running wheel 101 contacts the upper and lower walls of the trough body of the drag track 6 and is suppressed, thereby ensuring the smoothness of the feeding of the slide 1.

[0050] See also Figure 2 and Figure 4 , a towing frame 2, a towing hook 201 is provided at the free end; the towing hook 201 is a common hook or an S-shaped hook, wherein the S-shaped hook includes a forward towing hook and a reverse towing hook 202, and the height of the forward towing hook is higher than the reverse towing hook 202; adding the reverse towing hook 202 enables the towing frame 2 to simultaneously have the ability to reversely push the bogie.

[0051] See also Figure 1-Figure 2 , a power mechanism 4 for driving the slide 1 to feed in the horizontal direction;

[0052] The power mechanism 4 comprises:

[0053] Pulleys 401 located at both ends of the slide 1 in the feeding direction;

[0054] A belt 403 is sleeved in the two pulleys 401, and one side of the belt 403 is fixedly connected to the slide 1;

[0055] One end of the pulley 401 is connected to a driving motor via a worm gear reduction mechanism 402;

[0056] The pulley 401 is driven to rotate by the driving motor, and the slide 1 driven by the belt 403 is pulled to feed. When the load on the towing hook 201 end is too large, the belt 403 and the pulley 401 can be unloaded by slipping to avoid burning the driving motor.

[0057] There are two groups of pulleys 401 and they are located on both sides of the slide 1. The pulleys 401 at the same end are coaxially arranged with turbines with opposite rotation directions. The two groups of turbines are meshed with the same worm, and the worm is connected to the driving motor in a transmission manner.

[0058] The output torque of the power mechanism 4 is increased by the transmission through the worm gear reduction mechanism 402, and the transmission is carried out through two sets of counter-rotating turbines, which is beneficial to improving the consistency of the transmission of the belts 403 on both sides.

[0059] See also Figure 2 and Figure 5 , driving the angle adjustment mechanism for adjusting the pitch angle of the towing frame 2;

[0060] When the angle of the towing frame 2 is adjusted to the point where the height of the towing hook 201 is consistent with the height of the target workpiece, the towing hook 201 can be fixedly combined with the target workpiece after approaching the target workpiece.

[0061] The angle adjustment mechanism includes:

[0062] The buffer frame 302 is hinged to the free end of the towing frame 2;

[0063] The telescopic cylinder 3 has a fixed end hinged with the slide 1, a free end passing through the buffer frame 302, and a limit ring 301 is provided inside the free end to limit the maximum relative axial displacement between the free end and the buffer frame 302, and an elastic member 303 is provided between the free end of the telescopic cylinder 3 and the buffer frame 302;

[0064] The telescopic cylinder 3, the slide 1 and the towing frame 2 form a triangular structure. The stability of the triangle is used to improve the stability of the towing hook 201 during operation. The pitch angle adjustment of the towing frame 2 can be achieved by adjusting the length of the telescopic cylinder 3, that is, the height adjustment of the towing hook 201 can be achieved. In a normal state, the towing hook 201 is in a low position, and its height is lower than the lowest point in the middle of the bogie. When the slide 1 is feeding, the towing hook 201 will not contact or collide with the bogie. When towing, the length of the telescopic cylinder 3 is adjusted to make the height of the towing hook 201 consistent with the height of the axle in the bogie. When the slide 1 drives the towing hook 201 to approach the axle, the towing hook 201 can be combined with the axle to drive the bogie to feed synchronously.

[0065] The buffer frame 302 is a frame-shaped structure, the free end of the telescopic cylinder 3 passes through the frame-shaped structure of the buffer frame 302, the limiting ring 301 is outside the free end in the frame-shaped structure, and elastic members 303 are provided between the two ends of the limiting ring 301 and the two inner walls corresponding to the frame-shaped structure;

[0066] After adding the buffer frame 302, the problem of inaccurate positioning when the towing hook 201 contacts the axle is avoided. By adding the buffer frame 302, when the towing hook 201 is combined, its height can be made slightly higher than the axle. When the towing frame 2 contacts the axle, the elastic member 303 can be compressed, and the pitch angle of the towing frame 2 is reduced, that is, the towing hook 201 is tightly combined with the axle and accurately positioned.

[0067] See also Figure 1 and Figure 7 , and also includes a towing track 6 pre-buried underground, and the lower end of the slide 1 is slidably installed in the towing track 6;

[0068] The cover plate 5 is installed flush with the ground, and the top of the slide 1 or the towing frame 2 can pass through the gap on the surface of the cover plate 5.

[0069] By using the covering plate 5, the entire transfer device except the towing frame 2 is placed under the ground, which has little impact on the flatness of the ground and does not interfere with other ground operations.

[0070] See also Figure 3 The cross section of the drag track 6 is "∝"-shaped; the cross section of the slide 1 is I-shaped, and the two sides of the lower plate are respectively provided with running wheels 101, the running wheels 101 are rollingly arranged in the open groove of the drag track 6, and the return circulation section of the power mechanism 4 runs through the closed groove of the drag track 6;

[0071] When the power mechanism 4 is driven by the belt 403 , the unloaded side of the belt 403 can be built into the closed groove of the drag track 6 , that is, in the belt compartment 601 .

[0072] When using:

[0073] See also Figure 7 The utility model is pre-buried under the ground between two sets of driving tracks. When the bogie is separated from the frame, the slide 1 is fed forward until it exceeds the rear axle and the middle load-bearing frame, and the telescopic cylinder 3 is shortened to make the towing hook 201 rise to a position slightly higher than the axle. At this time, the slide 1 continues to feed, and the axle first contacts the upper surface of the towing frame 2, so that the towing frame 2 is pressed down. During this process, the elastic member 303 under the limit ring 301 is compressed once, and the pitch angle of the towing frame 2 is reduced. The position of the towing hook 201 is lowered and combined with the axle. The slide 1 continues to feed. At this time, the elastic member 303 is compressed to the limit position, and the limit ring 301 is in direct and approximately rigid contact with the buffer frame 302. The towing hook 201 drags the axle and the bogie to feed forward synchronously until they are separated from the frame.

[0074] After the slide 1 is moved backwards for a certain distance, the pitch angle of the towing frame 2 is reduced to achieve the separation of the towing hook 201 from the axle.

[0075] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transfer device based on railway bogie maintenance, characterized in that: include, A slide (1) is capable of feeding in a horizontal direction and carries a towing frame (2) with an adjustable pitch angle, wherein the rotation axis of the towing frame (2) is perpendicular to the feeding direction of the slide (1); A towing frame (2), a free end of which is provided with a towing hook (201); A power mechanism (4) for driving the slide table (1) to feed in a horizontal direction; An angle adjustment mechanism for driving the towing frame (2) to adjust the pitch angle; When the angle of the towing frame (2) is adjusted to a point where the height of the towing hook (201) is consistent with the height of the target workpiece, the towing hook (201) can be fixedly coupled to the target workpiece after approaching the target workpiece.

2. The transfer device based on railway bogie maintenance according to claim 1 is characterized in that: The angle adjustment mechanism comprises: A buffer frame (302) is hinged to a free end of the towing frame (2); A telescopic cylinder (3), the fixed end of which is hinged to the slide (1), the free end of which passes through the buffer frame (302), and a limit ring (301) is provided inside the free end to limit the maximum relative axial displacement between the free end and the buffer frame (302), and an elastic member (303) is provided between the free end of the telescopic cylinder (3) and the buffer frame (302); The telescopic cylinder (3), the slide (1) and the towing frame (2) form a triangular structure.

3. The transfer device based on railway bogie maintenance according to claim 2 is characterized in that: The buffer frame (302) is a frame-type structure, the free end of the telescopic cylinder (3) passes through the frame-type structure of the buffer frame (302), the limiting ring (301) is located outside the free end in the frame-type structure, and elastic parts (303) are provided between the two ends of the limiting ring (301) and the two inner walls corresponding to the frame-type structure.

4. The transfer device based on railway bogie maintenance according to claim 1 is characterized in that: The power mechanism (4) comprises: Pulleys (401) are located at two ends of the slide (1) in the feeding direction; A belt (403) sleeved in two pulleys (401), wherein one side of the belt (403) is fixedly connected to the slide (1); One end of the pulley (401) is connected to a driving motor via a worm gear reduction mechanism (402).

5. The transfer device based on railway bogie maintenance according to claim 4 is characterized in that: There are two groups of pulleys (401) located on both sides of the slide (1), wherein the pulleys (401) at the same end are coaxially arranged with turbines with opposite rotation directions, and the two groups of turbines are simultaneously meshed with the same worm, and the worm is drivingly connected to the drive motor.

6. The transfer device based on railway bogie maintenance according to claim 1 is characterized in that: The towing hook (201) is an S-shaped hook, comprising a forward towing hook and a reverse towing hook (202), and the forward towing hook is higher than the reverse towing hook (202).

7. The transfer device based on railway bogie maintenance according to claim 1 is characterized in that: Also includes, A towing track (6) pre-buried underground, wherein the lower end of the slide (1) is slidably mounted in the towing track (6); A covering plate (5) is installed flush with the ground, and the top of the slide (1) or the towing frame (2) can penetrate the gap on the surface of the covering plate (5).

8. The transfer device based on railway bogie maintenance according to claim 7 is characterized in that: The drag track (6) has a C-shaped cross section, the slide (1) has an I-shaped cross section, and running wheels (101) are respectively arranged on both sides of the lower plate, and the running wheels (101) are rollingly arranged in the drag track (6).

9. The transfer device based on railway bogie maintenance according to claim 7, characterized in that: The drag track (6) has a "∝"-shaped cross section; the slide (1) has an I-shaped cross section, and running wheels (101) are respectively arranged on both sides of the lower plate, the running wheels (101) are rollingly arranged in the open groove of the drag track (6), and the return circulation section of the power mechanism (4) passes through the closed groove of the drag track (6).

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