CN110949426A

CN110949426A - Rail trolley for railway track maintenance

Info

Publication number: CN110949426A
Application number: CN201911296730.XA
Authority: CN
Inventors: 许俊杰
Original assignee: Individual
Current assignee: China Railway Materials General Operation and Maintenance Technology Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-03
Anticipated expiration: 2039-12-16
Also published as: CN110949426B

Abstract

The invention belongs to the technical field of railway maintenance, in particular to a rail trolley for railway track maintenance, which aims at solving the problem that the conventional railway maintenance trolley is not provided with a special stress releasing device. When the device is used, the cam can be driven to rotate only by starting the driving motor, and the bow-shaped ejector rod can be slowly lifted firstly and then quickly lowered after reaching the topmost end by matching with the continuous downward pulling force of the compression spring on the bow-shaped ejector rod, so that the device can impact the rail body to form one-time residual stress release, and the frequent knocking can be completed by circulating the steps.

Description

Rail trolley for railway track maintenance

Technical Field

The invention relates to the technical field of railway maintenance, in particular to a rail trolley for railway track maintenance.

Background

Railway lines can create various problems under the effects of train gravity and loads during train operation, as well as under the influence of natural environments. Maintenance work is regularly performed on railroad beds, tracks, and the like in order to keep the railways in a good condition as defined by railroad technical standards. After the specific rail bears for a long time, stress concentration can be generated in the rail, stress concentration can also be generated on train wheels, therefore, workers can strike the rail along the way at intervals of small hammers to release the rail when the rail is usually stopped, the mode needs to depend on the striking experience and strength of teachers, and the workload is large and the task is heavy.

The railway maintenance operation transport vehicle is disclosed as CN201711015077.6 through retrieval of Chinese patent, and comprises a placing table, wherein two support columns are symmetrically arranged at the lower end of the placing table, a moving table is arranged between the support columns, a first sliding groove and a first sliding rod are arranged on one side, opposite to the two support columns, of the two support columns, the first sliding rod is arranged in the first sliding groove, two ends of the first sliding rod are fixedly connected with opposite side walls in the first sliding groove respectively, two ends of the moving table are sleeved on the two first sliding rods respectively, and a driving motor is fixed at the upper end of the moving table. But the device; but the device can only clean the rubbish on the surface of the track, and still needs to be knocked and released manually when the stress needs to be released.

Disclosure of Invention

The invention provides a rail trolley for maintaining a railway track, which is based on the technical problem that the conventional rail maintenance trolley is not provided with a special stress releasing device.

The invention provides a rail trolley for maintaining a railway track, which comprises a track body and a trolley base with an upward opening in a C-shaped structure, wherein the lower surface of the trolley base is provided with a driving box near the front end and the rear end, the two sides of the driving box are both provided with special rollers, the bottom of the trolley base close to the two sides is both provided with a driving motor and a reduction box matched with the driving motor, a cam is fixed at the top end of an output shaft of the reduction box, a bearing seat and a fixed barrel with an upward opening in a barrel-shaped structure are respectively arranged at the upper end and the lower end of the cam, sliding bearings are clamped at the bottom of the fixed barrel and in the middle of the bearing seat, and the same bow-shaped ejector rod is connected between the two sliding bearings in a sliding manner, a spring baffle is fixed on the circumferential outer wall of the bow-shaped ejector rod close to the barrel opening of the fixed barrel, and a compression spring is fixed between the lower surface of the spring baffle and the barrel bottom of the fixed barrel.

Preferably, the special roller is sleeved with the anti-slip sleeve on the circumferential outer wall, and the anti-slip sleeve is provided with the protrusions distributed at equal intervals on the circumferential outer wall.

Preferably, the special roller comprises a catch wheel and a main wheel, and the length of the roller body of the main wheel is larger than that of the catch wheel.

Preferably, the outer wall of the circumference of the cam is provided with an arc-shaped groove, and a second ball is arranged on the outer wall of the arc-shaped ejector rod, close to the position right above the cam.

Preferably, the bottom end of the arched top rod is fixed with a wear-resistant head.

Preferably, the lower surface of dolly base is close to both sides and all is fixed with the opening and downward and at the same straight-line C shaped steel slide rail, and equal sliding connection has the rectangle frame slider in the spout of two C shaped steel slide rails, the bottom of rectangle frame slider all is fixed with the mounting panel, and the bottom joint of mounting panel has the location bucket, the inside sliding connection of location bucket has the ejector pin, and the outer wall of ejector pin is fixed with the guide block, the one end that the outer wall of location bucket is close to the rail body is fixed with the brush, and the bottom of brush is provided with the insulating piece, the bottom of guide block and the top of brush all are provided with the terminal.

Preferably, the circumference outer wall of ejector pin is close to the middle part and is provided with annular retaining ring, and the one end that the guide block was kept away from to annular retaining ring is fixed with buffer spring.

Preferably, one end of the ejector rod close to the rail body is embedded with a first ball.

Preferably, the circumference outer wall of location bucket is opened has the bar hole with the size looks adaptation of guide block, and the both ends of location bucket all open the jack that has with ejector pin external diameter looks adaptation.

The beneficial effects of the invention are as follows:

1. this railway track is maintained and is used small rail car, through setting up the bow-shaped ejector pin of sliding connection between two slide bearings, the cooperation sets up the interlock in the cam that each position of radius all is different wherein, only needs start-up driving motor can drive the cam and rotate, and the setting of cooperation compression spring can let bow-shaped ejector pin rise slowly earlier, later reachs fast decline after the top, forms the striking to the rail body, forms the release of once residual stress, so circulation can accomplish frequently to strike.

2. This rail trolley for railway rails maintenance, through setting up the purpose-built gyro wheel of main round roller shaft length extension and cooperating the antiskid cover that its outer wall cup jointed, not only can have certain fluctuation range when detecting the depth of parallelism of two tracks, avoid causing the purpose-built gyro wheel card in both sides of dolly to derail between two track bodies because of orbital expansion, increased the land fertility of grabbing of purpose-built gyro wheel moreover, increase frictional force and antiskid effect.

3. This railway track is maintained and is used small rail car through setting up location bucket and the sliding connection at the fixed plate bottom at ejector pin in the middle of it to can rotate drive screw when using and adjust the distance between two ejector pins and equal to the distance between the design track body and enlarge a customization, if the distance that the dolly gos forward in-process and meet between the rail body produces the change, the side of rail body can touch the pole of reaching this moment and put through the tight device of embracing that two terminals are established ties and accomplish the alarm.

The parts not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure, can automatically release the stress of the rail body and can detect the parallelism.

Drawings

Fig. 1 is a schematic front view of a rail car for maintaining a railway track according to the present invention;

FIG. 2 is a schematic side sectional view of a rail car for maintaining a railway track according to the present invention;

FIG. 3 is a schematic perspective view of a special roller of a rail car for maintaining a railway track according to the present invention;

FIG. 4 is a schematic diagram of a semi-sectional three-dimensional structure of a positioning barrel of a rail trolley for maintaining a railway track according to the invention;

fig. 5 is an enlarged schematic structural view of a railway track maintenance track trolley in fig. 1 at a point a.

In the figure: the device comprises a trolley base 1, a cam 2, an arc-shaped groove 201, a bearing seat 3, an arc-shaped ejector rod 4, a ball II 401, a spring baffle 5, a compression spring 6, a roller 7 specially made, an anti-slip sleeve 701, a protrusion 702, a fixed barrel 8, a wear-resistant head 9, a steel slide rail 10C, a mounting plate 11, a transmission screw rod 12, a guide block 13, a positioning barrel 14, a hexagon nut 15, a rectangular frame slide block 16, a track body 17, a buffer spring 18, an ejector rod 19, a ball I1901, a binding post 1902, an electric brush 20, a limiting post 21, a fixed barrel 22, a driving motor 23 and a reduction gearbox 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3 and 5, a rail trolley device for railway track maintenance comprises a track body 17 and a trolley base 1 with an upward opening in a C-shaped structure, wherein a driving box is arranged on the lower surface of the trolley base 1 near the front and rear ends, a special roller 7 is arranged on each of the two sides of the driving box, a driving motor 23 and a reduction gearbox 24 matched with the driving motor are arranged on each of the bottom of the trolley base 1 near the two sides, a cam 2 is fixed on the top end of an output shaft of the reduction gearbox 24, a bearing seat 3 and a fixed barrel 8 with an upward opening in a barrel-shaped structure are respectively arranged on the upper and lower ends of the cam 2, sliding bearings are clamped between the bottom of the fixed barrel 8 and the middle of the bearing seat 3, a same bow-shaped ejector rod 4 is connected between the two sliding bearings in a sliding manner, a spring baffle 5 is fixed on the circumferential outer wall of the bow-shaped ejector rod 4 near the barrel mouth of the fixed barrel, thereby can only need to rotate the biggest one end of cam 2 radius to the position as shown in fig. 1 at the district that need not to strike, can upwards lift bow-shaped ejector pin 4, and then let the surface of rail body 17 be kept away from to the bottom of bow-shaped ejector pin 4, when needing to carry out stress release to rail body 17, only need start driving motor 23 can drive the cam 2 rotation of special shape, cooperation compression spring 6's setting, can let bow-shaped ejector pin 4 rise slowly earlier, later decline fast after reaching the top, form the striking to rail body 17, form a residual stress release, so circulation can accomplish frequently to strike.

In the invention, the anti-slip sleeve 701 is sleeved on the circumferential outer wall of the special roller 7, and the protrusions 702 distributed at equal intervals are reserved on the circumferential outer wall of the anti-slip sleeve 701, so that the ground gripping force of the special roller 7 is increased, and the friction force and the anti-slip effect are increased.

The special rollers 7 comprise a blocking wheel and a main wheel, and the length of the roller body of the main wheel is larger than that of the blocking wheel, so that a certain fluctuation range can be realized when the parallelism of the two rails is detected, and derailment caused by the fact that the special rollers 7 on the two sides of the trolley are clamped between the two rail bodies 17 due to expansion of the rails is avoided.

An arc-shaped groove 201 is formed in the circumferential outer wall of the cam 2, and a second ball 401 is arranged on the outer wall of the arc-shaped ejector rod 4 and is close to the position right above the cam 2.

Wherein, the bottom end of the arch-shaped top rod 4 is fixed with a wear-resistant head 9.

The working principle is as follows: when needing to carry out stress release to rail body 17, only need start driving motor 23 can drive the cam 2 rotation of special shape, cooperation compression spring 6 set up and form and last decurrent pulling force to bow-shaped ejector pin 4, along with the continuous rotation of cam 2, can let bow-shaped ejector pin 4 rise slowly earlier, later descend fast after reaching the top, form the striking to rail body 17, form a residual stress release, so circulate and can accomplish frequently to strike.

Example 2

Referring to fig. 1, 2 and 4, in the present embodiment, compared to embodiment 1, a rail car device for maintaining a railway track further includes C-shaped steel slide rails 10 having downward openings and being on the same straight line and fixed on both sides of a lower surface of a car base 1, rectangular frame sliders 16 slidably connected in sliding grooves of the two C-shaped steel slide rails 10, mounting plates 11 fixed at bottom ends of the rectangular frame sliders 16, a positioning barrel 14 fastened to a bottom of the mounting plate 11, a top rod 19 slidably connected to an inside of the positioning barrel 14, a guide block 13 fixed to an outer wall of the top rod 19, an electric brush 20 fixed to an end of an outer wall of the positioning barrel 14, which is close to a railway track body 17, an insulating sheet arranged at a bottom end of the electric brush 20, and terminals 1902 arranged at a bottom end of the guide block 13 and a top end of the electric brush 20, so that a distance between the two top rods 19 can be adjusted to be equal to a, if the distance between the rail bodies 17 changes in the process of the trolley advancing, the side surfaces of the rail bodies 17 touch the ejector rods 19, and the rail bodies 17 are conductive, so that a closed circuit formed by the two binding posts 1902 is connected to form an alarm, and a maintenance worker is reminded to repair the rail section.

Wherein, the circumference outer wall of ejector pin 19 is provided with annular retaining ring near the middle part, and the one end that the annular retaining ring kept away from guide block 13 is fixed with buffer spring 18.

Wherein, the end of the top rod 19 close to the rail body 17 is embedded with a ball 1901.

Wherein, the circumference outer wall of location bucket 14 is opened has the bar hole with 13 size looks adaptations of guide block, and the both ends of location bucket 14 all opened the jack with 19 external diameter looks adaptations of ejector pin.

Wherein, the one end that two C shaped steel slide rails 10 are close to mutually all is provided with fixed bucket 22, and the inside rotation of fixed bucket 22 is connected with spacing post 21, and the both ends of spacing post 21 all are provided with drive screw 12, and the both ends of rectangle frame slider 16 all are provided with the hexagon nut 15 with 12 looks adaptations of drive screw, and two hexagon nuts have played the auto-lock effect, only need rotate drive screw 12 when the position of two ejector pins 19 of needs adjustment can.

The working principle is as follows: when the trolley is used, the transmission screw 12 is rotated to adjust the distance between the two ejector rods 19 to be equal to the distance between the designed track bodies 17 and slightly expand a customization, if the distance between the track bodies 17 changes in the advancing process of the trolley, the side surfaces of the track bodies 17 touch the ejector rods 19, and the track bodies 17 are conductive, so that a closed circuit formed by the two binding posts 1902 is connected to form an alarm, and a maintenance worker is reminded to repair the section of track.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a rail trolley for railway track maintenance, includes track body (17) and opening dolly base (1) that upwards is C shape structure, its characterized in that, both ends all are provided with the drive case around being close to the lower surface of dolly base (1), and the both sides of drive case all are provided with purpose-made gyro wheel (7), the bottom of dolly base (1) is close to both sides and all is provided with driving motor (23) and reducing gear box (24) of looks adaptation with it, and the output shaft top of reducing gear box (24) is fixed with cam (2), the upper and lower both ends of cam (2) are provided with bearing frame (3) and opening respectively and upwards are fixed bucket (8) of tubbiness structure, the equal joint in the middle of the bottom of fixed bucket (8) and bearing frame (3) has slide bearing, and sliding connection has same root bow-shaped ejector pin (4) between two slide bearings, the circumference outer wall of bow-shaped ejector pin (4) is close to the bung hole department of fixed (5) And a compression spring (6) is fixed between the lower surface of the spring baffle (5) and the bottom of the fixed barrel (8).

2. The railway track maintenance trolley according to claim 1, wherein an anti-slip sleeve (701) is sleeved on the circumferential outer wall of the specially-made roller (7), and protrusions (702) distributed at equal intervals are reserved on the circumferential outer wall of the anti-slip sleeve (701).

3. The railway track maintenance trolley as claimed in claim 2, wherein the special trolley (7) comprises a catch wheel and a main wheel, and the length of the roller body of the main wheel is greater than that of the catch wheel.

4. The railway track maintenance track trolley according to claim 1, wherein an arc-shaped groove (201) is formed in the outer wall of the circumference of the cam (2), and a second ball (401) is arranged on the outer wall of the arc-shaped push rod (4) and close to the position right above the cam (2).

5. A railway track maintenance trolley according to claim 1, characterized in that the bottom end of the arched top bar (4) is fixed with a wear head (9).

6. The railway track maintenance trolley according to claim 1, c-shaped steel slide rails (10) with downward openings and on the same straight line are fixed on the lower surface of the trolley base (1) close to the two sides, and the sliding grooves of the two C-shaped steel sliding rails (10) are both connected with a rectangular frame sliding block (16) in a sliding way, the bottom ends of the rectangular frame sliding blocks (16) are both fixed with a mounting plate (11), and the bottom of the mounting plate (11) is clamped with a positioning barrel (14), the inside of the positioning barrel (14) is connected with a mandril (19) in a sliding way, and the outer wall of the mandril (19) is fixed with a guide block (13), one end of the outer wall of the positioning barrel (14) close to the rail body (17) is fixed with an electric brush (20), and the bottom of brush (20) is provided with the insulating piece, and the bottom of guide block (13) and the top of brush (20) all are provided with terminal (1902).

7. The railway track maintenance trolley according to claim 6, wherein an annular retainer ring is arranged on the outer circumferential wall of the ejector rod (19) close to the middle part, and a buffer spring (18) is fixed at one end of the annular retainer ring away from the guide block (13).

8. A railway track maintenance trolley according to claim 6, wherein the end of the push rod (19) close to the rail body (17) is embedded with a ball I (1901).

9. The railway track maintenance trolley according to claim 6, wherein the outer circumferential wall of the positioning barrel (14) is provided with a strip-shaped hole matched with the guide block (13) in size, and two ends of the positioning barrel (14) are provided with insertion holes matched with the outer diameter of the ejector rod (19).

10. The railway track maintenance trolley according to claim 6, wherein a fixing barrel (22) is arranged at one end of each of the two C-shaped steel slide rails (10) close to each other, a limiting column (21) is rotatably connected to the inside of the fixing barrel (22), transmission screws (12) are arranged at two ends of the limiting column (21), and hexagon nuts (15) matched with the transmission screws (12) are arranged at two ends of the rectangular frame sliding blocks (16).