CN118023595A

CN118023595A - Rotatable milling machine

Info

Publication number: CN118023595A
Application number: CN202410438123.7A
Authority: CN
Inventors: 白晓明; 刘锋; 王向南; 郭欣; 王秀杰; 麻凯杰; 王璐; 和锋; 郑海洋
Original assignee: Qinhuangdao Youyi Chuanglian Special Vehicle Manufacturing Co ltd
Current assignee: Qinhuangdao Youyi Chuanglian Special Vehicle Manufacturing Co ltd
Priority date: 2024-04-12
Filing date: 2024-04-12
Publication date: 2024-05-14

Abstract

The invention relates to the technical field of processing equipment, and provides a rotatable milling machine, which comprises a bottom frame, wherein the bottom frame is used for mounting milling parts and is positioned on a flat car; the plurality of slide bars are arranged, and one end of each slide bar is arranged on the underframe in a sliding way; the clamping piece is arranged at the other end of the sliding rod in a relatively sliding manner, and is in abutting connection with the flat car or in abutting connection with the flat car after sliding; the two ends of the first elastic piece are respectively arranged on the sliding rod and the clamping piece, and the first elastic piece is used for providing force for the clamping piece to be far away from the upper plane of the flatcar. Through above-mentioned technical scheme, the inconvenient fixed milling part of when having solved the slewing bearing further processing on the flatcar among the prior art, influence machining efficiency's problem.

Description

Rotatable milling machine

Technical Field

The invention relates to the technical field of processing equipment, in particular to a rotatable milling machine.

Background

The slewing bearing is generally composed of an inner ring, an outer ring, rolling bodies and the like, is a large-sized bearing capable of bearing comprehensive load, and can bear larger axial and radial loads and overturning moment at the same time. The flat car is mainly used for transporting steel, wood, vehicles, mechanical equipment and other cargoes with large volume or large weight, and other cargoes can be transported through the container. In order to ensure the running stability of the flatcar, a plurality of large-sized rotary supports are arranged on the flatcar, the rotary supports are usually fixed on a frame in a welding mode during installation, and errors exist in the flatness and assembly of the surfaces of the rotary supports after the welding of the rotary supports is completed, so that the upper surfaces of the rotary supports are required to be further processed after the welding is completed. Because the slewing support is inconvenient to clamp after being mounted on the frame of the flatcar, a movable milling part is generally adopted to process the upper surface of the slewing support. When the movable milling part is processed, the movable milling part is generally and simply fixed on the frame in an electric welding mode, and is detached after the processing is finished. When each time to the gyration support processing, all need adopt the fixed movable milling part of this kind of mode, not only the inefficiency of processing, the base size of movable milling part receives the influence after fixed many times, and the roughness is relatively poor, influences the accuracy of movable milling part fixed position, and then influences the machining precision of gyration support, and the gyration support is usually installed in pairs, and inconvenient processing is carried out in proper order to a plurality of gyrations supports, influences machining efficiency.

Disclosure of Invention

The invention provides a rotatable milling machine, which solves the problems that milling parts are inconvenient to fix and the machining efficiency is affected when a rotary support on a flat wagon is further machined in the related art.

The technical scheme of the invention is as follows:

A rotatable milling machine for machining a slewing bearing on a flatcar, comprising:

The chassis is used for mounting milling parts and is positioned on the flatcar;

The sliding rods are provided with a plurality of sliding rods, and one end of each sliding rod is arranged on the underframe in a sliding manner;

The clamping piece is arranged at the other end of the sliding rod in a relatively sliding manner, and is in abutting joint or out of abutting joint with the flat car after sliding;

The two ends of the first elastic piece are respectively arranged on the sliding rod and the clamping piece, and the first elastic piece is used for providing force for the clamping piece to be far away from the upper plane of the flatcar.

Optionally, the method further comprises:

The lifting piece is arranged at the bottom of the underframe;

The roller is arranged at the lower end of the lifting piece and is used for driving the underframe to move, and after the lifting piece is shortened, the roller retracts into the underframe.

Optionally, the plurality of rollers are distributed in the roller array, and further includes:

the guide piece is used for being arranged on the flat car, and one row of rollers are located in the guide piece after moving.

Optionally, the milling element comprises:

a support disposed on the chassis;

The main shaft is rotatably arranged on the supporting piece;

The cantilever is arranged on the main shaft in a lifting manner;

and the milling cutter is arranged on the cantilever in a sliding way.

Optionally, the milling element further comprises:

the level bar is arranged on the supporting piece and is parallel to the cantilever;

the adjusting piece, adjusting piece one end sets up on the chassis, the support piece passes through the adjusting piece sets up on the chassis, the adjusting piece is used for adjusting the support piece.

Optionally, the chassis comprises

The lower bottom plate is provided with a through groove;

The vertical plate is arranged on the lower bottom plate, and the sliding rod penetrates through the vertical plate;

the upper bottom plate is arranged on the vertical plate, and the adjusting piece is positioned on the upper bottom plate;

The backup pad, backup pad one end sets up on the lateral wall of logical groove, the other end of backup pad with the upper plate butt, the lifter sets up in the backup pad, the lifter runs through after the extension logical groove.

Optionally, the sliding bars have two, and two the sliding bars are located respectively the both sides of lower plate, still include:

The first connecting rods are provided with a plurality of first connecting rods, and one ends of the first connecting rods are hinged to the sliding rods;

The stabilizer bar is arranged on the lower bottom plate in a sliding manner, and the other end of the first connecting rod is hinged to the stabilizer bar.

Optionally, the lifter includes:

the fixing plate is arranged on the supporting plate;

The moving plate is arranged in a sliding manner relative to the fixed plate, and the roller is positioned on the moving plate;

the upper end and the lower end of the sliding end are respectively connected with the fixed plate and the moving plate in a sliding way;

the two ends of the first telescopic piece are respectively hinged to the fixed plate and the scissor piece, and the first telescopic piece is used for driving the sliding end to slide.

Optionally, the method further comprises:

The second connecting rod, second connecting rod one end sets up on one of them the slide bar, the other end of second connecting rod rotates to set up the slip end.

Optionally, the method further comprises:

the mounting plate is arranged on the sliding rod;

the guide rod is arranged on the mounting plate in a sliding manner, and the clamping piece is positioned on the guide rod;

The pressure sensor is arranged on the mounting plate and is abutted with the first elastic piece;

the fastener is arranged on the guide rod and used for fixing the guide rod;

the second telescopic piece is arranged on the mounting plate and is used for being abutted to the clamping piece after being stretched.

The working principle and the beneficial effects of the invention are as follows:

In the invention, in order to solve the problem that the milling part is inconvenient to fix and the machining efficiency is affected when the rotary support on the flatcar is further machined in the related art, the milling part is arranged on the underframe, the lower surface of the clamping part is always abutted with the upper surface of the flatcar in the sliding process of the sliding rod, when the clamping part moves to the edge of the flatcar, the clamping part moves downwards and is abutted with the side wall of the flatcar under the action of the first elastic part, and the underframe is fixed on the flatcar through the action of the clamping parts. After the underframe is fixed, the rotary support can be machined through the milling part, so that the rotary support meets the use requirement. The lower surface of clamping piece can press from both sides tight flatcar by oneself under the effect of first elastic component after not with flatcar butt, does not need additionally to control, convenient to use, and the fixed convenience of chassis is convenient for shift milling part between the gyration support of a plurality of different positions, and machining efficiency is higher.

The working principle of the invention is that before the underframe is fixed on the flatcar, the fixed position of the underframe is selected according to the positions of the rotary supports, so that the underframe is positioned on the middle vertical line of the connecting lines of the two rotary supports positioned on two sides of the flatcar, and meanwhile, the rotary supports in the circumferential direction of the underframe are positioned in the processing range of the milling part, at the moment, one underframe is fixed, a plurality of rotary supports can be processed, and the processing efficiency is higher. Before the chassis is fixed, the chassis is placed above a proper position through hoisting equipment, sliding rods on two sides of the chassis slide on two sides of the flatcar respectively, sliding is stopped when the lower surface of the clamping piece is not contacted with the flatcar any more, the clamping piece slides downwards under the action of the first elastic piece, the clamping piece on two sides of the flatcar clamps the flatcar, and the sliding rods slide towards the inner side of the flatcar, so that the clamping piece can clamp two sides of the flatcar more firmly. After the underframe is fixed, the rotary support is machined through the milling part. Milling part can be conveniently fixed on the flatcar under the effect of chassis, clamping piece, slide bar and first elastic component, and efficiency is higher, and dismantles more conveniently. After the machining of one rotary support is finished, only the milling part is required to be rotated to enable the milling part to face the rest rotary supports, the next machining can be carried out, after all the machining of the rotary support on the circumference of the underframe is finished, the sliding rod slides to the outer side of the flatcar, the clamping part does not clamp the flatcar any more, and at the moment, the underframe is moved to the next position to be fixed.

Drawings

The above features, technical features, advantages and implementation of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the flatcar and slewing bearing structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the chassis of the present invention;

FIG. 5 is a schematic view of the structure of the sound elevating member and the roller of the present invention;

FIG. 6 is a schematic view of a milling element according to the present invention;

FIG. 7 is a schematic view of a partial structure of a chassis according to the present invention;

FIG. 8 is a schematic view of the mounting structure of the clamping member of the present invention;

In the figure: 1. flatcar, 2, slewing bearing, 3, chassis, 4, milling part, 5, slide bar, 6, clamping part, 7, first elastic part, 8, lifting part, 9, roller, 10, guiding part, 401, supporting part, 402, main shaft, 403, cantilever, 404, milling cutter, 405, level bar, 406, adjusting part, 301, lower plate, 3011, through slot, 302, riser, 303, upper plate, 304, supporting plate, 11, first connecting rod, 12, stabilizer bar, 801, fixed plate, 802, movable plate, 803, scissor part, 8031, hinged end, 8032, sliding end, 804, first telescopic part, 13, second connecting rod, 14, mounting plate, 15, guiding rod, 16, pressure sensor, 17, fastener, 18, second telescopic part.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. In addition, in order to simplify the drawings and facilitate understanding, components having the same structure or function in some drawings are only schematically illustrated in one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one", and "a number" includes "two" and "two or more".

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 8, for a first embodiment of the present invention, a rotatable milling machine is provided for machining a slewing bearing 2 on a flatcar 1, the rotatable milling machine comprises a chassis 3, the chassis 3 is used for mounting milling pieces 4, and the chassis 3 is located on the flatcar 1; the sliding rods 5 are multiple, and one end of each sliding rod 5 is arranged on the underframe 3 in a sliding manner; the clamping piece 6 is arranged at the other end of the sliding rod 5 in a sliding manner, and the clamping piece 6 is in abutting joint with the flatcar 1 or in non-abutting joint after sliding; the two ends of the first elastic piece 7 are respectively arranged on the slide bar 5 and the clamping piece 6, and the first elastic piece 7 is used for providing force for the clamping piece 6 to be far away from the upper plane of the flat car 1.

In this embodiment, in order to solve the problem that the milling part 4 is inconvenient to fix and affect the machining efficiency when the turning support 2 on the flatcar 1 is further machined in the related art, the milling part 4 is mounted on the chassis 3, the lower surface of the clamping part 6 is always abutted with the upper surface of the flatcar 1 in the sliding process of the sliding rod 5, when the clamping part 6 moves to the edge of the flatcar 1, the clamping part 6 moves downwards under the action of the first elastic part 7 and is abutted with the side wall of the flatcar 1, and the chassis 3 is fixed on the flatcar 1 through the action of the plurality of clamping parts 6. After the underframe 3 is fixed, the rotary support 2 can be machined through the milling part 4, so that the rotary support 2 meets the use requirement. The lower surface of the clamping piece 6 can clamp the flatcar 1 by itself under the action of the first elastic piece 7 after not being abutted with the flatcar 1, the control is not needed, the use is convenient, the fixation of the underframe 3 is convenient, the milling piece 4 is convenient to transfer between the rotary supports 2 at a plurality of different positions, and the processing efficiency is higher.

Specifically, before the underframe 3 is fixed on the flatcar 1, the fixing position of the underframe 3 is selected according to the positions of the slewing supports 2, so that the underframe 3 is positioned on the middle vertical line of the connecting lines of the slewing supports 2 positioned on two sides of the flatcar 1, meanwhile, the slewing supports in the circumferential direction of the underframe 3 are positioned in the machining range of the milling part 4, at the moment, one underframe 3 is fixed, a plurality of slewing supports 2 can be machined, and the machining efficiency is higher. Before fixing the underframe 3, firstly, the underframe 3 is placed above a proper position through hoisting equipment, then slide bars 5 on two sides of the underframe 3 slide on two sides of the flatcar 1 respectively, when the lower surface of the clamping piece 6 is no longer in contact with the flatcar 1, the sliding is stopped, at the moment, the clamping piece 6 slides downwards under the action of the first elastic piece 7, the clamping piece 6 on two sides of the flatcar 1 clamps the flatcar 1, at the moment, the slide bars 5 slide towards the inner side of the flatcar 1, and the clamping piece 6 can clamp two sides of the flatcar 1 more firmly. After the underframe 3 is fixed, the rotary support 2 is processed through the milling part 4. The milling part 4 can be conveniently fixed on the flatcar 1 under the action of the underframe 3, the clamping part 6, the sliding rod 5 and the first elastic part 7, the efficiency is higher, and the disassembly is more convenient. After the machining of one slewing support 2 is finished, only the milling part 4 is required to be rotated to enable the milling part to face the rest slewing supports 2, the next machining can be carried out, after all the slewing supports 2 in the circumferential direction of the underframe 3 are finished, the sliding rod 5 slides to the outer side of the flatcar 1, the clamping part 6 does not clamp the flatcar 1 any more, and at the moment, the underframe 3 is moved to the next position to be fixed.

Further, the lifting device also comprises a lifting piece 8, wherein the lifting piece 8 is arranged at the bottom of the underframe 3; the gyro wheel 9 sets up the lower extreme at lifting unit 8, and gyro wheel 9 is used for driving chassis 3 and removes, and lifting unit 8 shortens the back, and gyro wheel 9 is retracted into chassis 3.

In this embodiment, in order to facilitate the transfer of the undercarriage 3 at different positions on one flatcar 1, a lifting member 8 and rollers 9 are also provided below the undercarriage 3. When the milling part 4 is in the working state, the lifting part 8 is lowered in height, and the rollers 9 are retracted into the chassis 3, supporting the milling part 4 by the chassis 3. When the underframe 3 needs to be moved, the lifting part 8 is lifted, the roller 9 stretches out of the underframe 3, the underframe 3 is supported through the cooperation of the lifting part 8 and the roller 9, the underframe 3 can be moved on the flatcar 1 through the roller 9, and the underframe 3 can be transferred between different rotary supports 2 more conveniently and more easily.

Further, the rollers 9 have a plurality of rollers 9 distributed in an array, and further include a guide member 10, wherein the guide member 10 is configured to be disposed on the flatcar 1, and a row of rollers 9 is disposed in the guide member 10 after moving.

In this embodiment, in order to conveniently determine the transverse position of the underframe 3 on the flatcar 1, the slide bars 5 on two sides of the flatcar 1 can be moved by the same distance to drive the clamping piece 6 to clamp the flatcar 1, so that the control is more convenient. The plurality of rollers 9 are distributed in an array at the bottom of the lifting member 8 and are symmetrically distributed about the center line of the flatcar 1. Before the underframe 3 is fixed, the guide member 10 is fixed on the flatcar 1, the guide member 10 is positioned on the central line of the flatcar 1 in the length direction, and when the underframe 3 is hoisted, the roller 9 positioned at the center of the lifting member 8 is placed in the guide member 10. Under the guiding action of the guide member 10, when the position of the underframe 3 needs to be adjusted, the roller 9 only needs to be pushed to move along the guide member 10.

Further, the milling element 4 comprises a support 401, the support 401 being arranged on the chassis 3; the main shaft 402 is rotatably provided on the support 401; the cantilever 403 is arranged on the main shaft 402 in a lifting manner; the milling cutter 404 is slidably disposed on the cantilever 403.

In this embodiment, the milling part 4 is composed of a support 401, a spindle 402, a cantilever 403 and a milling cutter 404, and when milling the rotary support 2, the direction of the milling cutter 404 can be changed by controlling the rotation of the spindle 402, so that the milling cutter 404 is convenient to process the rotary support 2 with different circumferences of the underframe 3. During processing, the height of the milling cutter 404 can be adjusted by adjusting the height of the cantilever 403, the milling cutter 404 is slidably arranged on the cantilever 403, the flexibility is higher, and the processing requirement can be fully met.

Further, the milling element 4 further comprises a level 405, the level 405 being arranged on the support 401, the level 405 being parallel to the cantilever 403; one end of the adjusting member 406 is disposed on the chassis 3, the supporting member 401 is disposed on the chassis 3 through the adjusting member 406, and the adjusting member 406 is used to adjust the supporting member 401.

In this embodiment, in order to avoid that a larger machining error affects the precision of the slewing bearing 2, an adjusting member 406 is disposed between the chassis 3 and the supporting member 401, and the supporting member 401 is in a horizontal state through adjustment of the adjusting member 406, so that a level ruler 405 on the supporting member 401 is parallel to the cantilever 403, and the horizontal state of the milling cutter 404 can be intuitively observed, and the machining quality is ensured.

Further, the chassis 3 includes a lower base plate 301, the lower base plate 301 having a through slot 3011; the vertical plate 302 is arranged on the lower bottom plate 301, and the sliding rod 5 penetrates through the vertical plate 302; the upper bottom plate 303 is arranged on the vertical plate 302, and the adjusting piece 406 is arranged on the upper bottom plate 303; one end of a supporting plate 304 is provided on the side wall of the through groove 3011, the other end of the supporting plate 304 abuts against the upper bottom plate 303, a lifting member 8 is provided on the supporting plate 304, and the lifting member 8 extends to penetrate through the through groove 3011.

In this embodiment, the bottom plate 301 of the chassis 3 has a through slot 3011, and the support plate 304 is connected between the through slot 3011 and the bottom plate 303, so that the stability between the bottom plate 303 and the bottom plate 301 is better through the cooperation of the vertical plate 302 and the support plate 304. When the milling part 4 works, the lifting part 8 drives the roller 9 to return to the through groove 3011. When the position of the underframe 3 needs to be moved, the lifting piece 8 drives the roller 9 to extend out of the through groove 3011.

Further, two sliding rods 5 are arranged, the two sliding rods 5 are respectively positioned at two sides of the lower bottom plate 301, the sliding device further comprises a plurality of first connecting rods 11, and one end of each first connecting rod 11 is hinged to the corresponding sliding rod 5; the stabilizer bar 12 is slidably disposed on the lower plate 301, and the other end of the first link 11 is hingedly disposed on the stabilizer bar 12.

In this embodiment, slide bar 5 has two, and articulated on a slide bar 5 is provided with two first connecting rods 11, and the one end of first connecting rod 11 all articulates and sets up on stabilizer bar 12, and parallelogram structure is constituteed to a plurality of first connecting rods 11, through driving a slide bar 5 slip, can make another slide bar 5 slip simultaneously, makes two slide bars 5 can slip simultaneously, and control is more convenient.

Further, the lifting member 8 includes a fixing plate 801, the fixing plate 801 being provided on the support plate 304; the moving plate 802 is arranged in a sliding manner relative to the fixed plate 801, and the roller 9 is positioned on the moving plate 802; the scissors 803 have a hinge end 8031 and a sliding end 8032, the upper end and the lower end of the hinge end 8031 are hinged with the fixed plate 801 and the moving plate 802, respectively, and the upper end and the lower end of the sliding end 8032 are slidably connected with the fixed plate 801 and the moving plate 802, respectively; the two ends of the first telescopic piece 804 are respectively hinged on the fixed plate 801 and the scissor piece 803, and the first telescopic piece 804 is used for driving the sliding end 8032 to slide.

In this embodiment, the lifting member 8 is composed of a fixed plate 801, a movable plate 802, a scissor member 803 and a first telescopic member 804, so that stability and support are improved. The sliding of the sliding end 8032 is driven by the first telescopic piece 804, so that the distance between the fixed plate 801 and the moving plate 802 can be adjusted, and the roller 9 extends out of the through groove 3011 to be abutted against the flat car 1 or retract into the through groove 3011.

Further, the sliding rod further comprises a second connecting rod 13, one end of the second connecting rod 13 is arranged on one of the sliding rods 5, and the other end of the second connecting rod 13 is rotatably arranged at the sliding end 8032.

In this embodiment, the scissors 803 and the sliding end 8032 are connected together through the second connecting rod 13 and the sliding rod 5, and when the first telescopic member 804 drives the sliding end 8032 to slide, the second connecting rod 13 can synchronously drive the sliding rod 5 to slide. When the clamping member 6 is required to clamp the flatcar 1, the lifting member 8 is required to retract into the through groove 3011, the first telescopic member 804 pushes the sliding end 8032 to slide to the outer side of the fixed plate 801, and the clamping member 6 also slides to the outer side of the flatcar 1 under the pushing of the second connecting rod 13. When the position of the underframe 3 needs to be moved, the clamping piece 6 is reset, and the sliding end 8032 is driven to slide reversely by the first telescopic piece 804.

Further, the device also comprises a mounting plate 14, wherein the mounting plate 14 is arranged on the slide bar 5; the guide rod 15 is arranged on the mounting plate 14 in a sliding manner, and the clamping piece 6 is positioned on the guide rod 15; the pressure sensor 16 is arranged on the mounting plate 14, and the pressure sensor 16 is abutted with the first elastic piece 7; a fastener 17 is provided on the guide bar 15, the fastener 17 being for fixing the guide bar 15; the second telescopic member 18 is provided on the mounting plate 14, and the second telescopic member 18 is extended to abut against the clamping member 6.

In this embodiment, one end of the sliding rod 5 is provided with a mounting plate 14, and the clamping member 6 is slidably disposed on the mounting plate 14 through a guide rod 15, so that the sliding of the clamping member 6 is more stable. The pressure sensor 16 is abutted with the first elastic piece 7, after the first elastic piece 7 pushes the clamping piece 6 to slide, the pressure detected by the pressure sensor 16 becomes smaller, at the moment, the second telescopic piece can be controlled to stretch according to the change of a pressure signal, the second telescopic piece is abutted with the clamping piece 6 after stretching, and the reliability of the clamping piece 6 during clamping is improved. The working time of the second telescopic piece is not required to be judged according to the sliding distance of the sliding rod 5, and the control is more convenient. When the flatcar 1 is not clamped by the clamping piece 6, the second telescopic piece is controlled to shrink, and the guide rod 15 is fixed by the fastener 17 after the guide rod 15 is pulled upwards. The side wall of the clamping piece 6 close to the flat car 1 is provided with an elastic pad, so that the clamping stability of the clamping piece 6 is improved.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims

1. A rotatable milling machine for machining a slewing bearing (2) on a flatcar (1), characterized in that it comprises:

-a chassis (3), the chassis (3) being for mounting a milling element (4), the chassis (3) being located on the flatcar (1);

the sliding rods (5) are arranged, one ends of the sliding rods (5) are arranged on the underframe (3) in a sliding mode;

the clamping piece (6) is arranged at the other end of the sliding rod (5) in a relatively sliding manner, and the clamping piece (6) is in abutting joint or out of abutting joint with the flat car (1) after sliding;

The first elastic piece (7), first elastic piece (7) both ends set up respectively slide bar (5) with on clamping piece (6), first elastic piece (7) are used for providing clamping piece (6) are kept away from the power of plane on flatcar (1).

2. A rotatable milling machine as claimed in claim 1, further comprising:

the lifting piece (8) is arranged at the bottom of the underframe (3);

The roller (9), the roller (9) sets up the lower extreme of lifting element (8), roller (9) are used for driving chassis (3) remove, after lifting element (8) shortens, roller (9) retract in chassis (3).

3. A rotatable milling machine according to claim 2, wherein the rollers (9) have a plurality, a plurality of the arrays of rollers (9) distributed, further comprising:

the guide piece (10) is used for being arranged on the flat car (1), and a row of rollers (9) are located in the guide piece (10) after moving.

4. A rotatable milling machine according to claim 2, wherein the milling element (4) comprises:

-a support (401), the support (401) being arranged on the chassis (3);

-a spindle (402), said spindle (402) being rotatably arranged on said support (401);

a cantilever (403), wherein the cantilever (403) is arranged on the main shaft (402) in a lifting manner;

-a milling cutter (404), said milling cutter (404) being slidingly arranged on said cantilever (403).

5. A rotatable milling machine according to claim 4, wherein the milling element (4) further comprises:

-a level (405), said level (405) being provided on said support (401), said level (405) being parallel to said cantilever (403);

The adjusting piece (406), adjusting piece (406) one end sets up on chassis (3), support piece (401) are through adjusting piece (406) set up on chassis (3), adjusting piece (406) are used for adjusting support piece (401).

6. A rotatable milling machine according to claim 5, wherein the chassis (3) comprises

A lower base plate (301), wherein the lower base plate (301) is provided with a through groove (3011);

the vertical plate (302), the vertical plate (302) is arranged on the lower bottom plate (301), and the sliding rod (5) penetrates through the vertical plate (302);

an upper base plate (303), wherein the upper base plate (303) is arranged on the vertical plate (302), and the adjusting piece (406) is positioned on the upper base plate (303);

The supporting plate (304), backup pad (304) one end sets up on the lateral wall of logical groove (3011), the other end of backup pad (304) with upper plate (303) butt, lifting element (8) set up on backup pad (304), after lifting element (8) extension run through logical groove (3011).

7. A rotatable milling machine according to claim 6, wherein the slide bars (5) have two, two slide bars (5) being located on each side of the lower plate (301), further comprising:

the first connecting rods (11) are arranged in a plurality of mode, and one ends of the first connecting rods (11) are hinged to the sliding rods (5);

the stabilizer bar (12), stabilizer bar (12) slip sets up on lower plate (301), the other end of first connecting rod (11) articulates and sets up on stabilizer bar (12).

8. A rotatable milling machine according to claim 6, wherein the lifting element (8) comprises:

a fixing plate (801), the fixing plate (801) being provided on the support plate (304);

A moving plate (802), wherein the moving plate (802) is arranged in a sliding way relative to the fixed plate (801), and the roller (9) is positioned on the moving plate (802);

A scissors member (803), the scissors member (803) having a hinge end (8031) and a slide end (8032), the upper end and the lower end of the hinge end (8031) being hinged with the fixed plate (801) and the movable plate (802), respectively, the upper end and the lower end of the slide end (8032) being slidably connected with the fixed plate (801) and the movable plate (802), respectively;

The first telescopic piece (804), first telescopic piece (804) both ends are articulated respectively to be set up fixed plate (801) with cut fork piece (803), first telescopic piece (804) are used for driving sliding end (8032) is slided.

9. The rotatable milling machine of claim 8, further comprising:

And one end of the second connecting rod (13) is arranged on one of the sliding rods (5), and the other end of the second connecting rod (13) is rotatably arranged at the sliding end (8032).

10. A rotatable milling machine as claimed in claim 1, further comprising:

The mounting plate (14) is arranged on the sliding rod (5);

the guide rod (15) is arranged on the mounting plate (14) in a sliding manner, and the clamping piece (6) is positioned on the guide rod (15);

A pressure sensor (16), wherein the pressure sensor (16) is arranged on the mounting plate (14), and the pressure sensor (16) is abutted with the first elastic piece (7);

-a fastener (17), said fastener (17) being arranged on said guide bar (15), said fastener (17) being used for fixing said guide bar (15);

the second telescopic piece (18), the second telescopic piece (18) is arranged on the mounting plate (14), and the second telescopic piece (18) is used for being abutted with the clamping piece (6) after being stretched.