CN219930596U - Grinding equipment of power supply rail for magnetic levitation line and engineering truck for maintaining magnetic levitation line - Google Patents

Abstract

The utility model provides a polishing device of a power supply rail for a magnetic levitation line and an engineering truck for maintaining the magnetic levitation line, wherein the polishing device comprises: the rack is detachably connected with the power supply rail; the polishing mechanism comprises a first moving device and a polishing device, the first moving device is movably arranged on the frame along the length direction of the power supply rail, and the polishing device is arranged on the first moving device and moves along with the moving device to polish the power supply rail; the detection mechanism comprises a second moving device and a detection device, the second moving device is movably arranged on the frame along the length direction of the power supply rail, and the detection device is arranged on the second moving device so as to detect the flatness of the polished part of the power supply rail. According to the polishing equipment for the power supply rail for the magnetic levitation line, provided by the utility model, the welding line at the joint of the power supply rail can be polished and detected, the labor intensity of maintenance personnel can be reduced, the operability is good, and the improvement of the working efficiency and the polishing quality is facilitated.

Description

Grinding equipment of power supply rail for magnetic levitation line and engineering truck for maintaining magnetic levitation line

Technical Field

The utility model relates to the technical field of rail transit maintenance, in particular to polishing equipment for a power supply rail for a magnetic levitation line and an engineering vehicle for magnetic levitation line maintenance.

Background

Along with the development of track traffic technology, the form of track traffic is more and more, wherein, the magnetic levitation traffic has characteristics of small noise, comfort, low operation and maintenance cost and the like, and is an urban track traffic mode with great development potential.

The existing magnetic levitation transportation power supply rail has the problems that the improvement of the speed of a train can be limited by the structures such as gaps, staggered platforms and the like at joints, so that a seamless power supply rail scheme can be adopted to replace a seamed scheme, particularly a seamless expansion joint with better smoothness is adopted, and the stability of a power supply system is improved.

However, the seamless power supply rail requires welding a plurality of power supply rails, and the welding seams are subjected to plastic polishing treatment. In order to ensure the flatness of the weld at the power rail joint, it is desirable to provide a device that can polish and inspect the power rail weld on a wire.

Disclosure of Invention

In view of the above problems, the utility model provides a polishing device for a power supply rail for a magnetic levitation line and an engineering vehicle for maintaining the magnetic levitation line, which are provided with a frame, a polishing mechanism and a detection mechanism, and can polish and detect welding seams at joints of the power supply rail so as to ensure that the power supply rail meets the requirement of medium-low speed magnetic levitation acceleration, reduce the labor intensity of maintenance personnel, have good operability and are beneficial to improving the working efficiency and polishing quality.

The utility model provides a polishing device of a power supply rail for a magnetic levitation line, comprising: the rack is detachably connected with the power supply rail; the polishing mechanism comprises a first moving device and a polishing device, the first moving device is movably arranged on the rack along the length direction of the power supply rail, and the polishing device is arranged on the first moving device so as to move along with the moving device and polish the power supply rail; the detection mechanism comprises a second moving device and a detection device, the second moving device is movably arranged on the frame along the length direction of the power supply rail, and the detection device is arranged on the second moving device so as to detect the flatness of the polishing part of the power supply rail.

According to the polishing equipment of the power supply rail for the magnetic levitation line, the frame is connected with the power supply rail, so that operation support can be provided for the polishing mechanism and the detection mechanism, polishing precision and operation quality are guaranteed, the polishing device is movably arranged on the frame through the first moving device, the position of the polishing device is convenient to continuously adjust in the polishing operation process, polishing efficiency is improved, the detection device is arranged on the frame through the second moving device, polishing positions are convenient to detect, measuring precision is accurate, operation basis is provided for further polishing, and accordingly polishing quality of the power supply rail is guaranteed to meet requirements. Therefore, the labor intensity of maintenance personnel can be reduced, the operability is good, and the working efficiency and the polishing quality are improved.

In some embodiments, the frame is provided with a guide rail extending along a length direction of the power supply rail, and the first moving device includes: the first movable seat is provided with a first mounting hole matched with the guide rail, and the polishing device is arranged on the first movable seat and is movable relative to the first movable seat; the first linear bearing is embedded in the first mounting hole and sleeved on the guide rail, so that the first movable seat moves relative to the guide rail.

In some embodiments, the grinding mechanism further comprises: the rotary device comprises a first rotary body and a second rotary body which can rotate relative to each other, the first rotary body is connected with the first movable seat, and the second rotary body is connected with the polishing device.

In some embodiments, the grinding mechanism further comprises: the sliding device comprises a sliding rail and a sliding seat which can slide relatively to each other, the sliding rail is arranged on the first movable seat, the sliding seat is arranged on the first revolving body, the sliding rail is in sliding fit with the sliding seat, and the extending direction of the sliding seat is mutually perpendicular to the extending direction of the power supply rail.

In some embodiments, the detection device comprises a line laser detection device, and the second movement device comprises: the second moving seat is provided with a second mounting hole matched with the guide rail, and the detection device is arranged on the second moving seat; the second linear bearing is embedded in the second mounting hole and sleeved on the guide rail, so that the second movable seat moves relative to the guide rail.

In some embodiments, the rack defines a clamping groove adapted to the power supply rail, the power supply rail is suitable for being clamped into the clamping groove, and a locking device is further arranged on the rack and is configured to lock the power supply rail after the power supply rail is clamped into the clamping groove.

In some embodiments, a magnetic attraction piece is arranged on the inner wall of the clamping groove, and the magnetic attraction piece is in magnetic attraction fit with the power supply rail.

In some embodiments, the frame further has an avoidance space, where the avoidance space is communicated with the clamping groove, so that the to-be-polished part of the power supply rail is exposed in the avoidance space, and the polishing device is located in the avoidance space, so as to polish the to-be-polished part.

In some embodiments, the polishing apparatus further comprises: the positioning scale is arranged at the edge of the frame and is provided with scales, and the first moving device moves by taking the scales as references.

The second aspect of the present utility model provides an engineering vehicle for maintaining a magnetic levitation line, comprising: a vehicle body; according to the polishing equipment for the power supply rail for the magnetic levitation line, which is disclosed by the utility model, the polishing equipment is arranged on the car body.

According to the engineering truck for maintaining the magnetic levitation line, by arranging the polishing equipment in the first aspect, the power supply rail can be polished in the process of maintaining the magnetic levitation line, so that smoothness at the joint of the power supply rail is better, and the stability of a power supply system of the magnetic levitation line is further improved. The polishing machine has higher polishing quality, can reduce the labor intensity and the working efficiency of maintenance personnel, and has good operability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an engineering vehicle for maintaining a magnetic levitation line according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an angle configuration of a polishing apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a polishing apparatus according to another embodiment of the present utility model;

fig. 4 is a schematic structural view of a polishing mechanism of a polishing apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

100-engineering vehicle for maintaining magnetic levitation lines;

1-polishing equipment;

11-a frame; 110-mounting feet; 111-guide rails; 112-a clamping groove; 113-an avoidance space; 114-locking means; 115-magnetic attraction piece; 116-handle; 117-positioning a ruler;

12-a polishing mechanism; 121-a first mobile device; 122-a first mobile seat; 123-a first linear bearing; 124-turning device; 1241-first rotation body; 1242-second rotation body; 125-a slip device; 1251-sliding rails; 1252-a sliding seat; 126-a grinding device;

13-a detection mechanism; 131-a second mobile device; 132-a second mobile seat; 133-a second linear bearing; 134-detecting means;

2-a vehicle body;

200-power supply rails.

Detailed Description

In order to make the above objects, features and advantages of the embodiments of the present utility model more comprehensible, the technical solutions of the embodiments of the present utility model will be described clearly and completely with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Along with the development of track traffic technology, the form of track traffic is more and more, wherein, the magnetic levitation traffic has characteristics of small noise, comfort, low operation and maintenance cost and the like, and is an urban track traffic mode with great development potential. The existing magnetic levitation traffic power supply rail has the problems that gaps, staggering and the like at joints can limit the improvement of the speed of a train, so that a seamless power supply rail scheme is gradually adopted to replace a seamed scheme, particularly a seamless expansion joint with better smoothness is adopted, and the stability of a power supply system is improved. However, the seamless power supply rail requires welding a plurality of power supply rails, and the welding seams are subjected to plastic polishing treatment. In order to ensure the flatness of the weld at the power rail joint, it is desirable to provide a device that can polish and inspect the power rail weld on a wire.

In view of the above, the utility model provides a polishing device for a power supply rail for a magnetic levitation line and an engineering vehicle for maintaining the magnetic levitation line, which are provided with a frame, a polishing mechanism and a detection mechanism, and can polish and detect welding seams at joints of the power supply rail so as to ensure that the power supply rail structure meets the requirement of medium-low speed magnetic levitation acceleration, reduce the labor intensity of maintenance personnel, have good operability and are beneficial to improving the working efficiency and polishing quality.

A polishing apparatus 1 of a power supply rail 200 for a maglev line according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 to 4.

Referring to fig. 1, a polishing apparatus 1 of a power supply rail 200 for a magnetic levitation line according to the present embodiment may be equipped on an engineering truck 100 for maintaining a magnetic levitation line, so as to be convenient for a maintainer to take, and perform polishing maintenance operation on a welding seam on the power supply rail 200 for a magnetic levitation line. Specifically, the polishing apparatus 1 may include: a frame 11, a polishing mechanism 12 and a detection mechanism 13.

Wherein, the frame 11 is detachably connected with the power supply rail 200, for example, the frame 11 may be provided with a clamping structure clamped on the power supply rail 200, and the frame 11 is matched with the power supply rail 200 in a clamping way; alternatively, the frame 11 may be provided with a hooking structure hooked on the power supply rail 200; alternatively, the frame 11 may be magnetically fixed to the power supply rail 200. Of course, the present utility model is not limited thereto, and the specific matching structure of the rack 11 and the power supply rail 200 may be reasonably selected according to actual needs. Thus, when the power supply rail 200 needs to be polished, the frame 11 can be mounted on the power supply rail 200 to provide operation support for the polishing mechanism 12 and the detection mechanism 13, so that the operation quality is easy to ensure, and after the operation is finished, the frame 11 can be removed from the power supply rail 200 to separate the polishing equipment 1 from the power supply rail 200.

The polishing mechanism 12 may include a first moving device 121 and a polishing device 126, where the first moving device 121 is movably disposed on the frame 11 along the length direction of the power supply rail 200, and the polishing device 126 is a polishing machine having functions of polishing a weld and polishing a surface. The polishing device 126 is disposed on the first moving device 121 to move along with the first moving device 121 and perform polishing operation on the welding seam of the power supply rail 200. Safety may also be improved over the operation of the hand held grinding device 126.

The detection mechanism 13 comprises a second moving device 131 and a detection device 134, the second moving device 131 is movably arranged on the frame 11 along the length direction of the power supply rail 200, and the detection device 134 is arranged on the second moving device 131 so as to move along with the second moving device 131, so that flatness detection of the polished power supply rail 200 is facilitated. The detecting device 134 may be a line laser detecting device 134, which has a function of detecting flatness with high accuracy, can identify and locate a position where the detected value is out of tolerance, and has a screen display function, and the detecting device 134 is configured to detect flatness of the polishing position and display the detected result on a display screen, although the utility model is not limited thereto, and the detecting device 134 may be other devices having a flatness detecting function.

The working method of the polishing apparatus 1 of the present embodiment is as follows: the engineering truck 100 runs on the magnetic levitation line, an operator stands on an operation platform of the engineering truck 100, the frame 11 of the polishing device 1 is fixed on the power supply rail 200 after the engineering truck 100 runs to the welding seam joint of the power supply rail 200, and then the first moving device 121 can be moved to adjust the position of the polishing device 126, so that the welding seam is polished, and in the process, the position of the polishing device 126 can be slightly moved through the first moving device 121. After preliminary polishing, the second moving device 131 is moved to move the detecting device 134 to the polishing position for detection, if the detection is unqualified, the display screen of the detecting device 134 displays the unqualified position and flatness parameters, then the first moving device 121 is controlled to move to the unqualified position, and the position is polished again until the unevenness is less than or equal to 0.2mm in the range of 400mm around the welding seam.

According to the polishing equipment 1 of the power supply rail 200 for the magnetic levitation line, through the connection and matching of the frame 11 and the power supply rail 200, operation support can be provided for the polishing mechanism 12 and the detection mechanism 13, polishing precision and operation quality are guaranteed, the polishing device 126 is movably arranged on the frame 11 through the first moving device 121, the position of the polishing device 126 is convenient to continuously adjust in the polishing operation process, polishing efficiency is improved, the detection device 134 is arranged on the frame 11 through the second moving device 131, polishing positions are convenient to detect, measurement precision is accurate, operation basis is provided for further polishing, and accordingly polishing quality of the power supply rail 200 meets requirements, and the power supply rail 200 is guaranteed to be structurally suitable for medium-low speed magnetic levitation speed-increasing requirements. Therefore, the labor intensity of maintenance personnel can be reduced, the operation safety is improved, the operability is good, and the working efficiency and the polishing quality are improved.

In some embodiments, referring to fig. 2 and 3, a guide rail 111 may be provided on the frame 11, the guide rail 111 may extend along a length direction of the power supply rail 200, the guide rail 111 may be located at an outer side of the power supply rail 200 in a width direction, and the first moving device 121 may include: the first moving seat 122 and the first linear bearing 123, wherein the first moving seat 122 is provided with a first mounting hole adapted to the guide rail 111, the polishing device 126 is disposed on the first moving seat 122 and is movable relative to the first moving seat 122, for example, the polishing device 126 can slide or rotate relative to the first moving seat 122. The first linear bearing 123 is embedded in the first mounting hole and sleeved on the guide rail 111, namely, the outer ring of the first linear bearing 123 is matched with the first movable seat 122, and the inner ring is matched with the guide rail 111, so that the first movable device 121 moves smoothly and stably through the matching of the guide rail 111 and the first movable seat 122, the stable work of the polishing device 126 is facilitated, the matching structure of the first movable device 121 and the guide rail 111 is simple, and the manufacturing and the assembly are easy.

For example, as shown in fig. 2, the rack 11 has two mounting legs 110 arranged at intervals along the length direction of the power supply rail 200, the mounting legs 110 can horizontally extend along the width direction of the power supply rail 200 and away from the direction of the power supply rail 200, two insertion holes arranged at intervals along the width direction of the power supply rail 200 are formed in each mounting leg 110, the insertion holes on the two mounting legs 110 are in one-to-one correspondence, the guide rail 111 is formed as two guide rods in one-to-one correspondence with the insertion holes, and two ends of each guide rod are respectively inserted into the insertion holes on the two mounting legs 110, so that the fixing of the guide rods is realized. The first moving seat 122 is formed in a block shape, first mounting holes penetrating through side walls of two opposite sides of the first moving seat 122 along the length direction of the power supply rail 200 are formed in the first moving seat 122, the first mounting holes are in one-to-one correspondence with the guide rails 111, two first linear bearings 123 can be arranged in each mounting hole, an outer ring of each first linear bearing 123 is matched with the first moving seat 122, and an inner ring of each first linear bearing 123 is matched with the guide rail 111, so that the first moving seat 122 is supported more stably. The polishing device 126 is disposed on the first movable base 122, and the sharpening unit is disposed toward the power supply rail 200. As such, the grinding mechanism 12 is relatively simple in construction and easy to manufacture and assemble.

In some embodiments, referring to fig. 2 and 4, the grinding mechanism 12 may further include: swivel 124. Specifically, the turning device 124 may include a first turning body 1241 and a second turning body 1242, where the first turning body 1241 and the second turning body 1242 may be turned relative to each other, and the first turning body 1241 is connected to the first moving seat 122, and the second turning body 1242 is connected to the polishing device 126, so that the polishing device 126 may be turned relative to the first moving device 121.

For example, the first revolving body 1241 and the second revolving body 1242 are both configured as a revolving disc, one revolving disc is provided with a revolving shaft, the other revolving disc is provided with a revolving hole, the revolving shaft is rotatably arranged in the revolving hole, and a driving member, for example, a driving motor is in transmission connection with one of the first revolving body 1241 and the second revolving body 1242, so as to realize the rotation of the first revolving body 1241 and the second revolving body 1242 relative to each other. In this way, the polishing device 126 can rotate relative to the first moving device 121, so that the polishing device 126 has more degrees of freedom, and the working position and the working angle can be adjusted more flexibly, which is helpful for improving polishing precision and quality.

Of course, the present utility model is not limited thereto, and the first rotation body 1241 and the second rotation body 1242 may have other structures, and may be reasonably selected according to actual needs.

In some embodiments, in conjunction with fig. 2 and 4, the grinding mechanism 12 may further include: a slip device 125. Specifically, the sliding device 125 may include a sliding rail 1251 and a sliding seat 1252, where the sliding rail 1251 and the sliding seat 1252 may slide relative to each other, the sliding rail 1251 is disposed on the first moving seat 122, the sliding seat 1252 is disposed on the first revolving body 1241, the sliding rail 1251 is in sliding fit with the sliding seat 1252, and the first moving seat 122 is perpendicular to the extending direction of the power supply rail 200 along the extending direction of the sliding seat 1252, for example, the sliding seat 1252 may extend vertically. Thus, the turning device 124 can move vertically relative to the first moving device 121, so that the polishing device 126 can move vertically relative to the first moving device 121, and the polishing device 126 has more degrees of freedom, so that the parts with different heights of the welding line are polished, the polishing operation is more flexible and convenient, the operation is easy, and the polishing operation efficiency is improved.

It can be appreciated that, through the cooperation of the sliding device 125, the rotating device 124 and the guide rail 111 with the first moving seat 122, the polishing device 126 can respectively move in a translational manner along the length direction and the height direction of the power supply rail 200 and rotate, so that the polishing device 126 has more degrees of freedom, and the position and the angle on the first moving device 121 can be flexibly adjusted, so that the polishing operation is more flexible and convenient, the efficiency is high, the operation is easy, and the polishing precision and the polishing quality are improved.

In some embodiments, referring to fig. 3, the second mobile device 131 may include: a second movable seat 132 and a second linear bearing 133. Specifically, the second moving seat 132 is provided with a second mounting hole adapted to the guide rail 111, the detecting device 134 is disposed on the second moving seat 132, the second linear bearing 133 is embedded in the second mounting hole and sleeved on the guide rail 111, that is, an outer ring of the second linear bearing 133 is matched with the second moving seat 132, and an inner ring of the second linear bearing is matched with the guide rail 111, so that the second moving seat 132 moves relative to the guide rail 111. In this way, through the cooperation of the guide rail 111 and the second moving seat 132, the movement of the second moving device 131 is smoother and more stable, which is favorable for the stable operation of the detecting device 134, and the cooperation structure of the second moving device 131 and the guide rail 111 is simpler, and the manufacturing and the assembly are easier.

For example, as shown in fig. 3, the rack 11 has two mounting legs 110 arranged at intervals along the length direction of the power supply rail 200, the mounting legs 110 can horizontally extend along the width direction of the power supply rail 200 and away from the direction of the power supply rail 200, two insertion holes arranged at intervals along the width direction of the power supply rail 200 are formed in each mounting leg 110, the insertion holes on the two mounting legs 110 are in one-to-one correspondence, the guide rail 111 is formed as two guide rods in one-to-one correspondence with the insertion holes, and two ends of each guide rod are respectively inserted into the insertion holes on the two mounting legs 110, so that the fixing of the guide rods is realized. The second movable seat 132 is formed in a block shape, second mounting holes penetrating through side walls of two opposite sides of the second movable seat 132 along the length direction of the power supply rail 200 are formed in the second movable seat 132, the second mounting holes are in one-to-one correspondence with the guide rails 111, two second linear bearings 133 can be arranged in each mounting hole, an outer ring of each second linear bearing 133 is matched with the second movable seat 132, and an inner ring of each second linear bearing 133 is matched with the guide rail 111, so that the second movable seat 132 is supported more stably. The grinding device 126 is disposed on the second movable base 132, and the knife blade is disposed toward the power supply rail 200. As such, the grinding mechanism 12 is relatively simple in construction and easy to manufacture and assemble.

In some embodiments, referring to fig. 2 and 3, the chassis 11 may define a card slot 112 that mates with the power rail 200, and the power rail 200 may be snapped into the card slot 112. For example, the opening direction of the clamping groove 112 may be along the width direction of the power supply rail 200, and an operator may hold the frame 11 and clamp the frame 11 with the clamping groove 112 in the horizontal direction; or, the opening direction of the clamping groove 112 can be along the vertical direction, at this time, an operator can hold the rack 11 and hang and buckle the rack 11 on the power supply rail 200 from top to bottom, so that the installation operation of the rack 11 is simple, the improvement of the operation efficiency is facilitated, and the rack 11 has a simpler structure and is convenient to manufacture.

For example, as shown in fig. 2, the frame 11 may be welded from steel pipes. The frame 11 is bent to form a clamping groove 112 with a downward opening, and a plurality of locking devices 114 are arranged on the frame 11, and each locking device 114 penetrates through the frame 11 and is in threaded fit with the frame 11 and is suitable for extending into the clamping groove 112 to be abutted against the power supply rail 200. After the power supply rail 200 is clamped into the clamping groove 112, the locking device 114 is screwed, so that the locking device 114 moves and abuts against the power supply rail 200, the frame 11 is firmly fixed, deviation of polishing positions caused by loosening of the frame 11 in the polishing operation process is avoided, and polishing accuracy and polishing quality are guaranteed.

In some embodiments, referring to fig. 2, the inner wall of the clamping groove 112 may be provided with a magnetic attraction piece 115, the magnetic attraction piece 115 may be a magnet, and the magnetic attraction piece 115 is magnetically attracted to the power supply rail 200, so that the stability of the stand 11 can be further improved, loosening is prevented, and meanwhile, the stand 11 can be ensured not to be displaced when the locking device 114 is screwed, and finally, the accuracy of the fixed position of the stand 11 is ensured.

In some embodiments, referring to fig. 2, the frame 11 further has an avoidance space 113, where the avoidance space 113 is communicated with the card slot 112, so that a to-be-polished part of the power supply rail 200 is exposed in the avoidance space 113, and the polishing device 126 is located in the avoidance space 113 to polish the to-be-polished part, so that interference of the frame 11 to the polishing device 126 can be avoided, and convenience of polishing operation is improved.

In some embodiments, referring to fig. 2 and 3, a positioning scale 117 is also provided on the frame 11. Specifically, the positioning scale 117 may be disposed at an edge of the frame 11, for example, the positioning scale 117 may be adhered to an edge of an upper surface of the frame 11, a scale may be provided on the positioning scale 117, a standard millimeter (mm) scale may be used for the positioning scale 117, and when the detecting device 134 determines and displays a position of unqualified polishing quality, the unqualified polishing position is positioned at a polishing position around the weld seam. The first moving device 121 moves with reference to the scale, for example, when the detecting device 134 determines a position of defective polishing quality, the position of defective polishing quality can be found by using the positioning scale 117 on the frame 11, and then the polishing device 126 is moved thereto to polish again until the unevenness is not more than 0.2mm in a range of 400mm around the weld. Therefore, operators can conveniently determine the unqualified polishing position, reference is provided for the displacement of the polishing device 126, positioning accuracy of the polishing part is improved, and polishing accuracy and quality are improved.

In some embodiments, referring to fig. 2 and 3, the frame 11 may be provided with a handle 116, the handle 116 may be bent from a steel tube, the steel tube may be a round tube, and the handle 116 may be used to lift the entire polishing apparatus 1 for easy operation by maintenance personnel.

An engineering truck 100 for maintenance of a maglev line according to an embodiment of the second aspect of the present utility model is described below.

The engineering truck 100 for maintaining a magnetic levitation line of the present embodiment includes: the vehicle body 2 and the polishing device 1 of the power supply rail 200 for the magnetic levitation line in the above embodiment, the polishing device 1 is provided on the vehicle body 2.

The engineering truck 100 runs on the magnetic levitation line, an operator can stand on an operation platform of the engineering truck 100, and when the engineering truck 100 runs to a welding joint of the power supply rail 200, the operator can take out the polishing equipment 1 from the truck body 2, fix the rack 11 on the power supply rail 200, and then can move the first moving device 121 to adjust the position of the polishing device 126 so as to polish the welding joint, and in the process, the position of the polishing device 126 can be slightly moved by the first moving device 121. After preliminary polishing, the second moving device 131 is moved to move the detecting device 134 to the polishing position for detection, if the detection is failed, the display screen of the detecting device 134 displays the failed position and flatness parameters, then the first moving device 121 is controlled to move to the failed position, and the position is polished again until the unevenness is not more than 0.2mm within the range of 400mm around the welding seam.

According to the engineering truck 100 for maintaining the magnetic levitation line, by arranging the polishing equipment 1 in the embodiment, the power supply rail 200 can be polished in the process of maintaining the magnetic levitation line, so that the flatness of the joint of the power supply rail 200 is higher, the smoothness is better, and the stability of a power supply system of the magnetic levitation line is further improved. The polishing machine has higher polishing quality, can reduce the labor intensity and the working efficiency of maintenance personnel, and has good operability.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a equipment of polishing of power supply rail for magnetic levitation circuit which characterized in that includes:

the rack is detachably connected with the power supply rail;

the polishing mechanism comprises a first moving device and a polishing device, the first moving device is movably arranged on the rack along the length direction of the power supply rail, and the polishing device is arranged on the first moving device so as to move along with the moving device and polish the power supply rail;

the detection mechanism comprises a second moving device and a detection device, the second moving device is movably arranged on the frame along the length direction of the power supply rail, and the detection device is arranged on the second moving device and used for detecting the flatness of the polished part of the power supply rail.

2. The polishing apparatus for a power supply rail for a maglev circuit according to claim 1, wherein the frame is provided with a guide rail extending in a length direction of the power supply rail, and the first moving means comprises:

the first movable seat is provided with a first mounting hole matched with the guide rail, and the polishing device is arranged on the first movable seat and is movable relative to the first movable seat;

the first linear bearing is embedded in the first mounting hole and sleeved on the guide rail, so that the first movable seat moves relative to the guide rail.

3. The polishing apparatus for a power supply rail for a maglev circuit according to claim 2, wherein the polishing mechanism further comprises: the rotary device comprises a first rotary body and a second rotary body which can rotate relative to each other, the first rotary body is connected with the first movable seat, and the second rotary body is connected with the polishing device.

4. A polishing apparatus for a power supply rail for a maglev circuit according to claim 3, wherein the polishing mechanism further comprises:

the sliding device comprises a sliding rail and a sliding seat which can slide relatively to each other, the sliding rail is arranged on the first movable seat, the sliding seat is arranged on the first revolving body, the sliding rail is in sliding fit with the sliding seat, and the extending direction of the sliding seat is mutually perpendicular to the extending direction of the power supply rail.

5. The apparatus for polishing a power supply rail for a maglev circuit according to claim 2, wherein the detecting means comprises a line laser detecting means, and the second moving means comprises:

the second moving seat is provided with a second mounting hole matched with the guide rail, and the detection device is arranged on the second moving seat;

the second linear bearing is embedded in the second mounting hole and sleeved on the guide rail, so that the second movable seat moves relative to the guide rail.

6. The polishing apparatus of claim 1, wherein the frame defines a slot adapted to the power rail, the power rail being adapted to be snapped into the slot,

the rack is also provided with a locking device, and the locking device is configured to lock the power supply rail after the power supply rail is clamped into the clamping groove.

7. The polishing apparatus for a power supply rail for a magnetic levitation line according to claim 6, wherein a magnetic attraction piece is provided on an inner wall of the clamping groove, and the magnetic attraction piece is magnetically attracted to the power supply rail.

8. The polishing apparatus for a power supply rail for a magnetic levitation line according to claim 6, wherein the frame further has an avoidance space, the avoidance space is communicated with the clamping groove, so that a portion to be polished of the power supply rail is exposed in the avoidance space, and the polishing apparatus is located in the avoidance space, so as to polish the portion to be polished.

9. The polishing apparatus for a power supply rail for a maglev circuit according to any one of claims 1 to 8, further comprising: the positioning scale is arranged at the edge of the frame and is provided with scales, and the first moving device moves by taking the scales as references.

10. The utility model provides a magnetism floats engineering truck for line maintenance which characterized in that includes:

a vehicle body;

the polishing apparatus for a power supply rail for a maglev circuit according to any one of claims 1 to 9, the polishing apparatus being provided to the vehicle body.