CN201979355U - Novel machining grinder for ballastless track plates - Google Patents
Novel machining grinder for ballastless track plates Download PDFInfo
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- CN201979355U CN201979355U CN2011200585464U CN201120058546U CN201979355U CN 201979355 U CN201979355 U CN 201979355U CN 2011200585464 U CN2011200585464 U CN 2011200585464U CN 201120058546 U CN201120058546 U CN 201120058546U CN 201979355 U CN201979355 U CN 201979355U
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- grinding
- crossbeam
- main spindle
- track
- ballastless track
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Abstract
The utility model discloses a novel machining grinder for ballastless track plates, relating to the technical field of machining tools for ballastless track plates. The novel machining grinder comprises a high-rigidity grinding device and the like, is not provided with a track plate engraving device, and can be used for completing grinding machining of one complete track-bearing table top of a CRTSII-type ballastless track plate through once grinding. The machining grinder comprises a longitudinal beam, a cross beam supported on the longitudinal beam and moving in a longitudinal direction, two sets of main spindle boxes supported on the cross beam and moving in a transverse direction, rams arranged inside the main spindle boxes and moving vertically, and grinding spindles and revolution mechanisms thereof on the rams. The novel machining grinder disclosed by the utility model can be used for realizing grinding molding of a single complete track-bearing face of the track-bearing table in one step, has the advantages of high speed, high precision, high rigidity and small error, and can reach the grinding precision of 0.1mm within an overall length range of 6,550mm; and meanwhile, tool marks cannot be generated on the machined track-bearing face.
Description
Technical field
The utility model relates to ballastless track board processing machine bed technique field, exactly relates to the grinding machine that a kind of support rail face to CRTSII type ballastless track plate support rail platform carries out accurate grinding processing.
Background technology
CRTSII type ballastless track plate is a most key base components of 350 kilometers high-speed railways of speed per hour, track installed surface on the CRTSII type ballastless track board concrete blank flat carries out machining according to the geometric data of Railway Design by precision grinder, requires can reach in total length 6550mm scope the grinding accuracy of 0.1mm.
The main feature of making the used grinding machine of CRTSII type ballastless track plate support rail platform at present both at home and abroad is: single complete support rail face adopts half of grinding method on the support rail platform, that is to say that a complete support rail face needs grinding twice, because the diamond integral grinding emery wheel of this grinding machine has only the width of support rail platform 55%, therefore when grinding, need carry out twice grinding for 180 ° by the installation main shaft gyration of abrasive grinding wheel, just can finish the grinding of a complete support rail face, and owing to need main shaft gyration during twice grinding, machine coordinates conversion equal error causes the support rail face of grinding tool marks to occur connecing, error is big (referring to accompanying drawing 1), can not reach the grinding accuracy of 0.1mm in total length 6550mm scope; And for finishing differentiation to different track plates, finish the grinding of track plate and detect qualified after, need adopt carving device carry out sequence number engraving, the productive temp that has prolonged the track plate at the grinding station to track.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a grinding of a kind of need and just can finish the grinding machine of complete support rail bench-type face grinding, the utility model adopts has realized grinding forming in the single support rail platform of track plate cross section (referring to accompanying drawing 2), advantage with high speed, high accuracy, high rigidity, simultaneously, tool marks can not appear connecing in the support rail face that processes, and error is little, can reach the grinding accuracy of 0.1mm in total length 6550mm scope.
The utility model is realized by adopting following technical proposals:
A kind of ballastless track plate is with novel processing grinding machine, it is characterized in that: constitute by grinding attachment, described grinding attachment comprises longeron, is bearing in the crossbeam of longeron upper edge longeron length direction lengthwise movement, is bearing in the cover of two on the crossbeam along the main spindle box of crossbeam length direction transverse movement, the grinding spindle that is installed in the ram that moves both vertically in the main spindle box and is installed in the ram lower surface, and two grinding spindles below respectively is provided with a diamond grinding emery wheel.
Have the sealing frame that holds main spindle box on the crossbeam, be provided with two main spindle boxes along sealing frame length direction, the upper and lower faces of crossbeam respectively is provided with two slide rails that move along the crossbeam length direction, and two main spindle boxes move along four slide rails that move that are arranged in the crossbeam upper and lower faces.(referring to accompanying drawing 4).
Main spindle box inside has the sealing frame that holds ram, is provided with four motion guide rails in the sealing frame, and ram vertically moves up and down along four motion guide rails.(referring to accompanying drawing 5).
Described grinding spindle adopts the rolling bearing of diameter 200mm, and the bearings spacing of grinding spindle reaches more than 1.5 times of grinding size, and the rated power of grinding spindle drive motors is 150Kw, and the maximum speed of grinding spindle reaches 2000r/min.
The beneficial effects of the utility model show:
1, the grinding machine that adopts owing to the utility model is made of grinding attachment, compared with prior art, the carving device that does not have orbit number, machinery is independent by carving device is designed to, the mechanism of control interlock, the grinding of support rail platform and sequence number engraving just can carry out synchronously, have improved the production efficiency of grinding machine.
2, because the guide rail of the crossbeam upper support main spindle box that the utility model adopts motion adopts sealing shaped as frame four guide rail structures, symmetric design, reduced vibration and the thermal deformation in the grinding process, strengthened stationarity and the rigidity of main spindle box in process, also just further guaranteed the precision of grinding machine processing simultaneously, error is controlled within the desired scope.
3, because the guide rail that the main spindle box internal support ram that the utility model adopts moves both vertically adopts box four guide rail structures of sealing, symmetric design, reduced vibration and the thermal deformation in the grinding process, strengthened stability and the rigidity of ram in process, also just further guaranteed the precision of grinding machine processing simultaneously, error is controlled within the desired scope.
4, because the grinding spindle rolling bearing diameter 200mm that the utility model adopts, the bearings spacing of grinding spindle reaches more than 1.5 times of grinding size, reduced the vibration in the grinding process, strengthened balance and the rigidity of grinding spindle in process, also just further guaranteed the precision of grinding machine processing simultaneously, error is controlled within the desired scope.
5, because the rated power of the grinding spindle drive motors that the utility model adopts is 150Kw, satisfied the power demand of the grinding in single support rail platform cross section.On the other hand, compared with prior art, owing to adopt " being bearing in the crossbeam of longeron upper edge longeron length direction lengthwise movement; be bearing in the main spindle box of the cover of two on the crossbeam; the grinding spindle that is installed in the ram that moves both vertically in the main spindle box and is installed in the ram lower surface; two grinding spindles below respectively is provided with a diamond grinding emery wheel " such technical scheme along the transverse movement of crossbeam length direction, need be when the single support rail platform of grinding during main shaft revolution carry out twice grinding for 180 °, only needing two main shafts to drive a grinding of two diamond grinding emery wheels just can realize, thereby main shaft gyration when having eliminated owing to twice grinding, machine coordinates conversion equal error causes the tool marks that connect that the support rail face of grinding occurs, improve grinding accuracy, in total length 6550mm scope, can reach the grinding accuracy of 0.1mm.
6, in addition, crossbeam is provided with the sealing frame, two main spindle boxes are contained in the sealing frame, and two main spindle boxes move along four slide rails that move that are arranged in the crossbeam upper and lower faces, such frame mode, on the one hand, reduced the vibration in the grinding process, strengthened stationarity and the rigidity of main spindle box in process, also just further guaranteed the precision of grinding machine processing simultaneously, error is controlled within the desired scope.On the other hand, two main spindle boxes can carry out grinding simultaneously to the both sides of a complete support rail face, thereby realized grinding forming of single complete support rail face of support rail platform, have at a high speed, high accuracy, the advantage of high rigidity, simultaneously, compared with prior art, owing to be two main spindle boxes, revolution is not carried out twice grinding for 180 ° when not needing to resemble an original main shaft, thereby main shaft gyration when having eliminated owing to twice grinding, machine coordinates conversion equal error causes the tool marks that connect that the support rail face of grinding occurs, and has improved grinding accuracy, has improved the production efficiency of grinding machine, error is little, can reach the grinding accuracy of 0.1mm in total length 6550mm scope.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the half of processing method schematic diagram of prior art middle orbit plate support rail platform
Fig. 2 is a single support rail platform cross section of the present utility model grinding forming processing method schematic diagram
Fig. 3 is a general structure schematic diagram of the present utility model
Among the figure: 1, longeron; 2, grinding spindle; 3, crossbeam; 4, main spindle box; 5, ram; 6, diamond grinding emery wheel; 8, conveying device; 9, unstressed Adjustment System; 10, track blank flat.
Fig. 4 a is the beam structure schematic diagram
Fig. 4 b is a main spindle box cross section structure schematic diagram
Among Fig. 4: 1, four slide rails of supporting spindle case motion; 2, main spindle box; 3, crossbeam;
Fig. 5 is main spindle box and ram cross section structure schematic diagram
Among the figure: 1, four guide rails of supporting ram movement; 2, ram; 3, main spindle box.
The specific embodiment
Embodiment 1
With reference to Figure of description 3, the utility model discloses the novel processing grinding machine that the grinding of a kind of CRTSII type ballastless track plate support rail platform is used, (referring to accompanying drawing 3), constitute by grinding attachment, described grinding attachment comprises two groups of longerons 1, be bearing in two groups of crossbeams 3 on the longeron 1, be bearing in two groups of main spindle boxes 4 on the crossbeam 3, in every group of main spindle box ram 5 is installed, every group of ram lower surface is equipped with grinding spindle 2 and makes the slew gear of grinding spindle gyration, and two grinding spindles below respectively is provided with a diamond grinding emery wheel.
Embodiment 2
On the basis of the foregoing description, as a preferred forms of the present utility model, with reference to Figure of description 4, be provided with four slide rails 1 of main spindle box 2 and 2 horizontal movements of supporting spindle case in the described crossbeam 3, crossbeam 3 adopts closed-in construction, by symmetric design, reduced vibration and the thermal deformation in the grinding process, strengthened stability and the rigidity of ram in process.
Embodiment 3
On the basis of the foregoing description, as a preferred forms of the present utility model, with reference to Figure of description 5, be provided with four guide rails 1 that ram 2 and supporting ram move both vertically in the described main spindle box 3, main spindle box adopts the sealing case structure, by symmetric design, reduced vibration and the thermal deformation in the grinding process, strengthened stability and the rigidity of ram in process.
Described grinding spindle adopts the rolling bearing of diameter 200mm, and the bearings spacing of grinding spindle reaches more than 1.5 times of grinding size, and the rated power of grinding spindle drive motors is 150Kw, and the maximum speed of grinding spindle reaches 2000r/min.
Embodiment 4
The workflow of grinding machine (referring to accompanying drawing 3):
1) track blank flat 10 is prepared station by the workpiece that conveying device 8 is transferred to grinding, determine the real-time working state of lathe, treat the grinding of last block of track plate and detect qualified by pipeline carry fully the engraving unit after, new track blank flat is transported to the grinding station by pipeline;
2) the unstressed Adjustment System 9 of grinding machine is carried out the automatic unstressed adjustment of track plate, guarantees that the processing of track plate is identical with user mode;
3) grinding machine positioning clamping device 8 carries out the location clamping of track plate, guarantees at grinding process middle orbit Board position stable, reliable;
4) grinding machine on-line measurement device carries out the measurement of all key points on the track plate support rail face, and will detect transfer of data and compare calculating, analyze to grinding automatic programming software and Railway Design track data (coordinate figure of each support rail platform and angle value);
5) the grinding automatic programming software judges that according to analysis result detected workpiece does not meet the requirement of grinding regulation, and system will send workpiece the grinding station automatically; If qualified, system determines best stock removal and grinding number of times according to Calculation results automatically, generates the subprogram that is used for numerical control grinding processing automatically;
6) grinding program is controlled each servo motion axle automatically by the grinding machine digital control system, finishes the grinding of track plate support rail face;
7) the grinding machine cleaning device cleans, dries up track plate support rail face;
8) grinding machine on-line measurement device carries out the measurement of all key points on the track plate support rail face once more, determines whether the dimensional accuracy of grinding machine processing meets the Railway Design track data, if against regulation requirement, system will send workpiece the grinding station automatically; If qualified, system charges to measurement data Railway Design track data stock shelves automatically;
9) unclamp unstressed Adjustment System and positioning clamping device, the track plate is fallen back to pipeline, being transported to the track plate independently, carving device carries out track plate sequence number engraving.
The utility model is not limited to the foregoing description; in design scope of the present utility model; those of ordinary skill in the art also can do some conspicuous changes to the foregoing description, but these changes all should fall within the protection domain of the utility model claim.
Claims (4)
1. a ballastless track plate is with novel processing grinding machine, it is characterized in that: constitute by grinding attachment, described grinding attachment comprises longeron, is bearing in the crossbeam of longeron upper edge longeron length direction lengthwise movement, is bearing in the cover of two on the crossbeam along the main spindle box of crossbeam length direction transverse movement, the grinding spindle that is installed in the ram that moves both vertically in the main spindle box and is installed in the ram lower surface, and two grinding spindles below respectively is provided with a diamond grinding emery wheel.
2. ballastless track plate according to claim 1 is with novel processing grinding machine, it is characterized in that: have the sealing frame that holds main spindle box on the crossbeam, be provided with two main spindle boxes along sealing frame length direction, the upper and lower faces of crossbeam respectively is provided with two slide rails that move along the crossbeam length direction, and two main spindle boxes move along four slide rails that move that are arranged in the crossbeam upper and lower faces.
3. ballastless track plate according to claim 1 and 2 is with novel processing grinding machine, and it is characterized in that: main spindle box inside has the sealing frame that holds ram, is provided with four motion guide rails in the sealing frame, and ram vertically moves up and down along four motion guide rails.
4. ballastless track plate according to claim 3 is with novel processing grinding machine, it is characterized in that: described grinding spindle adopts the rolling bearing of diameter 200mm, the bearings spacing of grinding spindle reaches more than 1.5 times of grinding size, the rated power of grinding spindle drive motors is 150Kw, and the maximum speed of grinding spindle reaches 2000r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200585464U CN201979355U (en) | 2011-03-08 | 2011-03-08 | Novel machining grinder for ballastless track plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200585464U CN201979355U (en) | 2011-03-08 | 2011-03-08 | Novel machining grinder for ballastless track plates |
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| Publication Number | Publication Date |
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| CN201979355U true CN201979355U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200585464U Expired - Lifetime CN201979355U (en) | 2011-03-08 | 2011-03-08 | Novel machining grinder for ballastless track plates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719363A (en) * | 2020-07-10 | 2020-09-29 | 泉州市大鲨鱼机械科技有限公司 | Method for eliminating arch-up defect of railway sleeper |
| CN111719360A (en) * | 2020-07-10 | 2020-09-29 | 泉州市大鲨鱼机械科技有限公司 | Milling and grinding device for eliminating arch defect on railway sleeper |
-
2011
- 2011-03-08 CN CN2011200585464U patent/CN201979355U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719363A (en) * | 2020-07-10 | 2020-09-29 | 泉州市大鲨鱼机械科技有限公司 | Method for eliminating arch-up defect of railway sleeper |
| CN111719360A (en) * | 2020-07-10 | 2020-09-29 | 泉州市大鲨鱼机械科技有限公司 | Milling and grinding device for eliminating arch defect on railway sleeper |
| CN111719363B (en) * | 2020-07-10 | 2022-03-08 | 泉州市大鲨鱼机械科技有限公司 | Method for eliminating arch-up defect of railway sleeper |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |