CN217647574U - Online track differential circulation repairing and machining device - Google Patents

Abstract

The utility model provides a processingequipment is restoreed in online track differential circulation, include: the main frame can move forwards under the traction of the traction device, and the driving mechanism can drive the repairing mechanism to do circulating motion clockwise on the main frame. The utility model discloses a repair car moves forward with the operating speed that is far above current, restores many on the station and restores the cutter backward circulation and remove, realizes the online differential of rail and restores processing, restores many on the station and restores the operation continuous unrepeated and while of restoration cutter, has improved repair efficiency with showing.

Description

Online track differential circulation repairing and machining device

Technical Field

The utility model relates to a rail maintenance and restoration processing technology field of track traffic specifically relates to an online track differential circulation restoration processingequipment.

Background

In rail transit such as subway, light rail, railway, high-speed rail, etc., steel rails are used as running guide rails. Because of long-term traffic use, the rail surface easily produces various diseases such as sclerosis layer, overlap, ripples and grind, if not in time repair easily causes bigger potential safety hazard, for example: cracks, fractures, pits, etc., which seriously affect the driving safety. There are two schemes for solving the disease: firstly, replacing a steel rail; and secondly, repairing and processing the rail surface of the steel rail to remove diseases. However, the replacement cost of a subway per kilometer is about 400 ten thousand yuan, the replacement cost of a 25 kilometer subway is about 1 hundred million, and the replacement time duration needs at least two weeks, which seriously affects the operation of rail transit, so the first scheme is hardly feasible, and the second scheme is often adopted. At present, the most internationally advanced repair machining equipment is an austria ringer milling and grinding vehicle, the maximum operation speed of the equipment is 500m/h, if the feed speed of repair cutting machining is further increased, a cutter can generate abnormal heating, break the cutter and the like to damage the cutter, a subway and a high-speed rail only have a 3-5 hour maintenance window period every day, according to the speed, a single milling and grinding vehicle can repair 1.5-2.5km a day, the repair efficiency is low, and the production requirement is difficult to meet, so that the efficiency of steel rail repair needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an online track differential circulation repair processingequipment, include: the main frame can move forwards under the traction of the traction device, and the driving mechanism can drive the repairing mechanism to do circulating motion clockwise on the main frame.

Further, be provided with the auxiliary engine frame of I shape on the main frame, the auxiliary engine frame includes two mounting panels one and connects the connecting piece of two mounting panels one, actuating mechanism is including setting up driving motor, sprocket shaft, drive sprocket, chain, driven sprocket in the auxiliary engine frame, driving motor with the sprocket shaft links to each other, drive sprocket installs on the sprocket shaft, the chain is installed drive sprocket, driven sprocket are last.

Further, repair mechanism includes mount pad, restoration motor, shaft coupling, milling cutter one, leading wheel, crosses the brush, the mount pad passes through connecting block fixed mounting be in on the chain, the restoration motor is installed on the mount pad, shaft coupling one end with the restoration motor links to each other, the other end with milling cutter one links to each other, milling cutter one also installs on the mount pad.

Further, the distribution board is installed in the outside of mounting panel one, is provided with annular electrically conductive slide on the distribution board, be provided with the brush on the repair mechanism, cross the brush with electrically conductive slide butt all the time forms stable being connected.

Furthermore, a waist-round guide rail is arranged on the auxiliary frame, and a guide wheel capable of sliding along the guide rail is arranged on the connecting block.

Furthermore, the first milling cutter is a rough milling cutter, a second milling cutter is arranged behind a feeding path of the first milling cutter on the same mounting seat, and the second milling cutter is a finish milling cutter.

The utility model provides an online track differential circulation restoration processingequipment, many restoration cutters on the restoration station are different from the speed of restoration car speed of advancing simultaneously with the size and move backward circulation uniformly, realize the online differential restoration processing of rail, every restoration cutter on the restoration station carries out the rail restoration on respective station independent work, each cutter is continuous, unrepeated ground and carry out segmentation restoration operation simultaneously, form continuous nonrecurring and while restoration operation overall, the restoration car carries out restoration operation in the safe operation speed of restoration cutter with many times, in same time quantum the utility model discloses an online track differential circulation restoration processingequipment is restoreed prosthetic rail line length and is greater than the prosthetic rail line length of current device far above the operating speed of current restoration car far away to can accomplish the track restoration operation fast, show ground improvement repair efficiency.

Drawings

Fig. 1 is a schematic structural view of an online track differential cycle repair processing device provided by the present invention;

FIG. 2 is a schematic structural view of the driving mechanism and the repairing mechanism (the protecting cover is not shown) of the present invention;

fig. 3 is a schematic structural view of the driving mechanism and the repairing mechanism of the present invention with the distribution board removed;

fig. 4 is a schematic structural diagram of the driving mechanism, the distribution board and the frame of the present invention;

FIG. 5 is a schematic structural view of a repairing mechanism of the present invention;

wherein, 1, the main frame; 11. a guide rail; 12. a shield; 13. a first mounting plate; 14. a connecting member; 15. a distribution board; 16. a conductive slideway; 17. a second mounting plate; 18. a traveling wheel; 2. a drive mechanism; 21. a drive motor; 22. a speed reduction mechanism; 23. a sprocket shaft; 24. a drive sprocket; 25. a chain; 26. a driven sprocket; 3. A repair mechanism; 31. connecting blocks; 32. a mounting base; 33. repairing the motor; 34. a coupling; 35. a first milling cutter; 36. a guide wheel; 37. a through electric brush; 38. a second milling cutter; 4. steel rail

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

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

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides an online track differential circulation repair processingequipment, include: the device comprises a main frame 1, a driving mechanism 2 and a plurality of groups of repairing mechanisms 3, wherein the driving mechanism 2 is arranged on the main frame 1, the plurality of groups of repairing mechanisms 3 are arranged on the driving mechanism 2, and the repairing mechanisms 3 are connected with a chain 25 of the driving mechanism 2 through a connecting block 31. The driving mechanism 2 drives the repairing mechanism 3 to do circular motion on the main frame 1.

The bottom of the main frame 1 is provided with a travelling wheel 18, and the main frame 1 advances forwards along the rail 4 to be repaired under the traction of a train head or a power device arranged on the main frame 1.

As shown in fig. 4, the two first mounting plates 13 are connected to form an i-shaped sub-frame through a connector 14, a waist-circular guide rail 11 is arranged on each of the two first mounting plates 13 and is fixedly connected with the main frame 1 through the guide rail 11, a shield 12 is arranged outside the guide rail 11, a distribution board 15 is arranged outside one of the first mounting plates 13, an annular conductive slideway 16 is arranged on the distribution board 15, and the distribution board takes electricity from the main frame or directly from the locomotive.

The driving mechanism 2 comprises a driving motor 21, a speed reducing mechanism 22, a chain wheel shaft 23, a driving chain wheel 24, a chain 25 and a driven chain wheel 26 which are arranged on the auxiliary frame. Wherein the speed reducing mechanism 22 is constituted by a gear train having a certain reduction ratio.

The left side and the right side of the front end of the auxiliary frame are both provided with a driving chain wheel 24, the left side and the right side of the rear end of the auxiliary frame are both provided with driven chain wheels 26, the driving chain wheel 24 positioned on the left side is connected with the driven chain wheels 26 positioned on the left side through a chain 25, the driving chain wheel 24 positioned on the right side is connected with the driven chain wheels 26 positioned on the right side through another chain 25, namely, one chain 25 is positioned on the left side, the other chain 25 is positioned on the right side, and the two chains are parallel. The shield 12 forms a semi-seal with the mounting plate one 13 and the main frame to protect the drive sprocket 24, the driven sprocket 26, and the chain 25.

As shown in fig. 2, 3 and 5, each set of repairing mechanisms 3 includes a connecting block 31, a mounting seat 32, a repairing motor 33, a coupling 34, a first milling cutter 35, a guide wheel 36 and an electric brush 37, wherein the first milling cutter is used as a repairing tool for steel rail repairing operation, one end of the mounting seat 32 is fixedly mounted on a left chain through the connecting block 31, the other end of the mounting seat 32 is fixedly mounted on a right chain through another connecting block 31, the repairing motor 33 is mounted on the mounting seat 32, one end of the coupling 34 is connected with the repairing motor 33, the other end of the coupling is connected with the first milling cutter 35, and the first milling cutter 35 is also mounted on the mounting seat 32. Two rows of guide wheels 36 are fixedly mounted on the inner side surface of each connecting block 31, a power passing brush 37 is mounted on the outer side surface of one connecting block 31, and the power passing brush 37 is matched with the conductive slideway 16 so as to take power from the conductive slideway 16 to supply power to the repair motor 33. As shown in fig. 3 and 4, the shield 12, the first mounting plate 13 and the distribution board 15 form a sealing structure to seal the over brush 37 and the conductive slideway 16.

As shown in fig. 2, 3 and 4, the chain 25 is fixedly connected with the mounting seat 32 through the connecting block 31, and the guide rail 11 is clamped into the two rows of guide wheels 36, so that the repairing mechanism is mounted on the auxiliary frame. In addition, a second mounting plate 17 is arranged on the first mounting plate 13 and used for mounting the distribution board 15, and the electric brush 37 is always abutted against the conductive slideway 16 on the distribution board 15 to form stable connection so as to provide power for the repairing motor 33 for milling. During operation, the driving motor 21 is started, the driving motor 21 drives the speed reducing mechanism 22 to rotate, the speed reducing mechanism and the driving sprocket 24 share the sprocket shaft 23, further the driving sprocket 24 is driven to rotate clockwise, further the driven sprocket 26 is driven to rotate clockwise through the chain 25, the repairing mechanism 3 is driven to rotate through the connecting block 31, the guide rail 11 is clamped into the two rows of guide wheels 36, the guide wheels 36 are fixedly installed on the connecting block 31, the connecting block 31 moves circularly along the guide rail 11 under the driving of the chain 25, the section, from the first section, contacting with the steel rail 4, of the milling cutter to the section, away from the steel rail 4, is a repairing station, and the first section, located on the steel rail, of the milling cutter on the repairing station moves backwards. Theoretically speaking, all the time at least simultaneously 2 milling cutter 35 are in the restoration station all the time and carry out the restoration operation and can realize the utility model discloses an n is many times and restores the operation in restoration cutter safety work speed, and n is restoration mechanism quantity on the restoration station.

Furthermore, as shown in fig. 1, a first milling cutter of some repairing mechanisms is a rough milling cutter, a second milling cutter 38 is further arranged behind a feeding path of the first milling cutter on the same mounting base, the second milling cutter 38 is a finish milling cutter, and the two milling cutters have different processing precision so as to finish rough processing and finish processing of track repairing; the steel rail repairing precision is improved by performing two times of milling and simultaneous processing of rough milling and finish milling, the repairing vehicle completes repairing operation of two rough and finish procedures in the process of one-time walking, the operation time is saved, and the repairing precision is improved.

As shown in fig. 2 and 3, in the embodiment, there are 14 sets of repair mechanisms, and accordingly, 14 milling cutters one is provided, and 5 milling cutters one is always in the repair station.

In addition, the invention also provides an online track differential cycle repair processing method, which comprises the following steps: the repairing vehicle moves forwards along the steel rail to be repaired, a plurality of repairing tools (namely, a milling tool I or a milling tool I and a milling tool II) installed on the repairing vehicle circularly move along a closed path, and the repairing tools on the repairing stations move backwards to continuously, unrepeatedly and simultaneously carry out repairing operation on the respective stations.

The repairing tools are arranged at equal intervals, the number of the repairing tools which are located on the repairing station and operate simultaneously is n, n is an integer not less than 2, and at least two repairing tools perform repairing operation simultaneously.

The repairing vehicle moves forwards at a speed of V1, namely the repairing speed of the repairing vehicle, the repairing tool moves clockwise along a closed path at a speed of V2 (the repairing tool speed is the repairing mechanism speed), V2 is not equal to V1 (if V2= V1, the feeding speed of the repairing tool is V0= | V1-V2 | = =0, the repairing operation is not carried out), the actual feeding speed of the repairing tool on the repairing station is V0= | -V1-V2 |, when V0= V1/n, n repairing tools can repair the steel rail at the moving distance of the repairing vehicle in the same time period, when V0 > V1/n, the method comprises the steps that n total feeding distance of a repairing tool is larger than the moving distance of a repairing vehicle in the same time period, namely the repairing tool is in an unloaded state without load or in a repeated milling repairing state, when V0 is smaller than V1/n, the total feeding distance of the repairing tool is smaller than the moving distance of the repairing vehicle in the same time period, and a repairing missing state exists, wherein V0 is smaller than or equal to the maximum safe repairing speed endured by the repairing tool, so that the repairing speed V1 which can be realized by the online track differential speed cycle repairing processing method is smaller than or equal to nV0, the maximum V0=500m/h at present, n =5 in the embodiment, and the maximum repairing speed V1 of the repairing vehicle in the embodiment is 2500m/h. In this example, the unit of velocity is m/h unless otherwise specified.

In the repairing and milling process, one is that a repairing tool on a repairing station is repaired forwards, so that V1 is required to be greater than V2, the size relation between V2 and V1 is V2= V1 (n-1)/n, for example, V0=500m/h, n =5, and then the maximum repairing speed is V1=2500m/h, and V2=2000m/h. However, in order to avoid the repair omission caused by the error problems such as tool wear or equipment clearance, the sizes of V2 and V1 are preferably V1 (n-1)/n-10. Ltoreq.V 2 < V1 (n-1)/n, the repair tool can be actively repeatedly milled forwards or unloaded by a small distance, and the maximum repair speed V1=2500m/h,1990 m/h. Ltoreq.V 2 < 2000m/h is suitable when V0=500m/h and n =5 are taken as examples.

Secondly, if the repair tool on the repair station needs to be repaired backwards and V1 is less than V2, the sizes of V2 and V1 are preferably V2= V1 (n + 1)/n; taking V0=500m/h and n =5 as an example, the maximum repair speed is V1=2500m/h and V2=3000m/h. However, in order to avoid the repair omission caused by error problems such as tool wear or equipment clearance, the sizes of V2 and V1 are preferably V1 (n + 1)/n < V2 ≦ V1 (n + 1)/n +10, and the milling is actively repeated backwards or unloaded for a small distance. For example, V0=500m/h and n =5, the maximum repair speed V1=2500m/h, and V2 is preferably 3000m/h or more and 3010 m/h.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. The utility model provides an online track differential circulation repair machining device which characterized in that includes: main frame (1), actuating mechanism (2), multiunit repair body (3), actuating mechanism (2) set up on main frame (1), the multiunit repair body (3) set up actuating mechanism (2) are last, repair body (3) through connecting block (31) with actuating mechanism (2) are connected, the main frame can move forward under draw gear's traction, actuating mechanism (2) can drive repair body (3) are in clockwise circular motion on main frame (1).

2. The online track differential speed circulation repair processing device according to claim 1, wherein an i-shaped auxiliary frame is arranged on the main frame (1), the auxiliary frame comprises two first mounting plates (13) and a connecting member (14) connecting the two first mounting plates (13), the driving mechanism comprises a driving motor (21), a sprocket shaft (23), a driving sprocket (24), a chain (25) and a driven sprocket (26), the driving motor is arranged on the auxiliary frame and is used for driving the sprocket shaft, the driving sprocket is arranged on the sprocket shaft, and the chain is arranged on the driving sprocket (24) and the driven sprocket (26).

3. The online track differential speed circulation repair machining device according to claim 2, characterized in that the repair mechanism (3) comprises a mounting seat (32), a repair motor (33), a coupling (34), a first milling cutter (35), a guide wheel (36) and an electric brush (37), the mounting seat (32) is fixedly mounted on the chain through the connecting block (31), the repair motor (33) is mounted on the mounting seat (32), one end of the coupling (34) is connected with the repair motor (33), the other end of the coupling is connected with the first milling cutter (35), and the first milling cutter (35) is also mounted on the mounting seat (32).

4. The online track differential speed circulation repairing and processing device is characterized in that a distribution board (15) is installed on the outer side of the mounting plate I (13), an annular conductive slideway (16) is arranged on the distribution board (15), an electric brush (37) is arranged on the repairing mechanism, and the electric brush (37) and the conductive slideway (16) are always abutted to form stable connection.

5. The on-line track differential speed cycle restoration processing device as claimed in claim 3, wherein the auxiliary frame is provided with a waist-circular guide rail (11), and the connecting block (31) is provided with the guide wheel (36) which can slide along the guide rail (11).

6. The on-line track differential cycle repair machining device according to claim 3, wherein the first milling cutter (35) is a rough milling cutter, a second milling cutter (38) is further arranged behind a feeding path of the first milling cutter on the same mounting seat, and the second milling cutter (38) is a finish milling cutter.

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