CN202240894U - Hydraulic tracking type center frame - Google Patents
Hydraulic tracking type center frame Download PDFInfo
- Publication number
- CN202240894U CN202240894U CN2011203683609U CN201120368360U CN202240894U CN 202240894 U CN202240894 U CN 202240894U CN 2011203683609 U CN2011203683609 U CN 2011203683609U CN 201120368360 U CN201120368360 U CN 201120368360U CN 202240894 U CN202240894 U CN 202240894U
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- piston
- following
- frame
- power transmission
- hydraulic
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Abstract
The utility model discloses a hydraulic tracking type center frame comprising two sets of hydraulic drive systems arranged on a stander in parallel. A hinge shaft is fixed on the stander, a supporting frame is arranged on the hinge shaft, and one set of the hydraulic drive system is respectively fixed with the lower end of supporting frame. In the hydraulic tracking type center frame, an upper lever and a lower lever move forward and do not move backward in the working process, the rigidity is large, and the upper lever and the lower lever are synchronous with feed of a grinding wheel in the process of grinding a workpiece by the grinding wheel to ensure the center of the workpiece not to be changed in the entire grinding process so as to improve the shape and position precision and the grinding efficiency of the workpiece.
Description
Technical field
The utility model belongs to lathe equipment technology field, relates to a kind of hydraulic pressure tracking mode centre frame.
Background technology
The centre frame that the grinding machine of parts such as in the past grinding vehicle bridge, bent axle, camshaft and elongate rod adopts generally is that oil cylinder or oscillating oil cylinder drive the direct supporting workpiece of ball-screw; The major defect of this structure is to support not have enough rigidity, and the beating of workpiece self, cutting force change beating that workpiece deformation produces all can not effectively be overcome during the workpiece revolution.
Summary of the invention
The purpose of the utility model provides a kind of hydraulic pressure tracking mode centre frame, and processing work workpiece self rotating the time can not produce beats, and rigidity is big.
The technical scheme that the utility model adopted is; Hydraulic pressure tracking mode centre frame is included in the two cover Hydraulic Power Transmission Systems that are set up in parallel on the frame, also is fixed with hinge axis on the frame; Hinge axis is provided with support, and wherein a cover Hydraulic Power Transmission System and support lower end are fixed.
The characteristic of the utility model also is,
Two cover Hydraulic Power Transmission Systems comprise Hydraulic Power Transmission System and following Hydraulic Power Transmission System, and wherein, last Hydraulic Power Transmission System is included in the last hydraulic cylinder that is provided with on the frame; Two ends are respectively arranged with first piston, second piston about in the last hydraulic cylinder; Vertically be provided with the contract piece between the first piston and second piston, the angle of last contract piece side and vertical direction is 8 degree, and last hydraulic cylinder side is provided with upper top cover; The flanked of upper top cover and last contract piece is touched; One end of horizontally disposed upper ejector pin and the contacts side surfaces of last contract piece, the other end of upper ejector pin is connected with an end of upper lever, and upper lever also is connected with frame through upper spring; The following hydraulic cylinder that following Hydraulic Power Transmission System is included on the frame, the below of last hydraulic cylinder is provided with; Two ends are respectively arranged with the 3rd piston, the 4th piston about in the following hydraulic cylinder; Vertically be provided with down the contract piece between the 3rd piston and the 4th piston, the side of following contract piece and the angle of vertical direction are 8 degree, and following hydraulic cylinder side is provided with down top cover; The contacts side surfaces of following top cover and following contract piece; One end of horizontally disposed lower push rod and the contacts side surfaces of following contract piece, the other end of lower push rod is connected with the following lever that the support lower end is provided with, and following lever also is connected with frame through lower spring.
The hydraulic pressure tracking mode centre frame of the utility model; Upper lever only advances not move back with following lever in the course of the work; Rigidity is big; Synchronous with the emery wheel feeding in wheel grinding workpiece process, constant to guarantee workpiece center in whole grinding process, thus shape and the positional precision and the grinding efficiency of raising workpiece.
Description of drawings
Fig. 1 is the structural representation of the utility model hydraulic pressure tracking mode centre frame.
Among the figure, 1. wheel grinding workpiece, 2. upper lever, 3. upper ejector pin, 4. first piston is 5. gone up the contract piece; 6. upper top cover, 7. second piston, 8. the 3rd piston 9. descends the contract piece, 10. descends top cover, 11. the 4th pistons; 12. lower push rod, 13. supports, 14. times levers, 15. lower springs, 16. upper springs, 17. hinge axis; 18. first oil-in, 19. second oil-ins, hydraulic cylinder on 20., 21. times hydraulic cylinders, 22. frames.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
The structure of the utility model hydraulic pressure tracking mode centre frame is as shown in Figure 1; Be included in the two cover Hydraulic Power Transmission Systems that are set up in parallel on the frame 22; Also be fixed with hinge axis 17 on the frame 22; Hinge axis 17 is provided with support 13, and support 13 can rotate around hinge axis 17, and wherein the lower end of Hydraulic Power Transmission System and support 13 is fixed under the cover.
Specifically, two cover Hydraulic Power Transmission Systems comprise Hydraulic Power Transmission System and following Hydraulic Power Transmission System.
Wherein, Last Hydraulic Power Transmission System is included in the last hydraulic cylinder 20 that is provided with on the frame 22; Two ends are respectively arranged with first piston 4, second piston 7 about in the last hydraulic cylinder 20, vertically are provided with contract piece 5 between the first piston 4 and second piston 7, and the side of last contract piece 5 and the angle of vertical direction are 8 degree; Last hydraulic cylinder 20 sides are provided with upper top cover 6, the contacts side surfaces of upper top cover 6 and last contract piece 5.One end of horizontally disposed upper ejector pin 3 and the contacts side surfaces of last contract piece 5, the other end of upper ejector pin 3 is connected with an end of upper lever 2, and upper lever 2 also is connected with frame 22 through upper spring 16.On last hydraulic cylinder 20, also be provided with first oil-in 18.
Following Hydraulic Power Transmission System is included in the following hydraulic cylinder 21 of the below setting of going up hydraulic cylinder 20 on the frame 22; In the following hydraulic cylinder 21 up and down two ends be respectively arranged with the 3rd piston 8, the 4th piston 11; Vertically be provided with down contract piece 9 between the 3rd piston 8 and the 4th piston 11; The side of following contract piece 9 and the angle of vertical direction are 8 degree, and following hydraulic cylinder 21 sides are provided with down top cover 10, the contacts side surfaces of following top cover 10 and following contract piece 9.One end of horizontally disposed lower push rod 12 and the contacts side surfaces of following contract piece 9, the other end of lower push rod 12 is connected with the following lever 14 that support 13 lower ends are provided with, and following lever 14 also is connected with frame 22 through lower spring 15.Also be provided with second oil-in 19 on the hydraulic cylinder 21 down.
The use of the utility model hydraulic pressure tracking mode centre frame is, with first oil-in 18,19 oil-feeds of second oil-in.First piston 4 promotes to go up contract piece 5 and moves downward, and promotes upper ejector pin 3 and travels forward, and promotes upper lever 2 and holds out against wheel grinding workpiece 1 to 1 motion of wheel grinding workpiece.The 3rd piston 8 promotions contract piece 9 down move downward, and promote lower push rod 12 and travel forward, and lever 14 moves around hinge axis 17 under promoting, thereby support 13 cooperates upper levers 2 to hold out against wheel grinding workpiece 1.Upper lever only advances not move back with following lever in the course of the work, and rigidity is big, and is synchronous with the emery wheel feeding in wheel grinding workpiece process, and is constant to guarantee workpiece center in whole grinding process, thereby improves shape and the positional precision and the grinding efficiency of workpiece.After being used to complete; Second piston 7 promotes to go up contract piece 5 and moves upward; Contract piece 9 moved upward under the 4th piston 11 promoted, and upper lever 2 leaves workpiece to motion in the other direction respectively under the effect of upper spring 16, and following lever 14 leaves workpiece to motion in the other direction respectively under the effect of lower spring 15.
Claims (2)
1. hydraulic pressure tracking mode centre frame; It is characterized in that; Be included in the two cover Hydraulic Power Transmission Systems that are set up in parallel on the frame (22); Also be fixed with hinge axis (17) on the said frame (22), hinge axis (17) is provided with support (13), and wherein the lower end of a cover Hydraulic Power Transmission System and support (13) is fixed.
2. hydraulic pressure tracking mode centre frame according to claim 1 is characterized in that, said two cover Hydraulic Power Transmission Systems comprise Hydraulic Power Transmission System and following Hydraulic Power Transmission System,
Wherein, The said Hydraulic Power Transmission System that goes up is included in the last hydraulic cylinder (20) that frame (22) goes up setting; Two ends are respectively arranged with first piston (4), second piston (7) about in the last hydraulic cylinder (20); Vertically be provided with contract piece (5) between said first piston (4) and second piston (7), the said angle of going up contract piece (5) side and vertical direction is 8 degree, and said hydraulic cylinder (20) side of going up is provided with upper top cover (6); Upper top cover (6) touches with the flanked of last contract piece (5); The contacts side surfaces of one end of horizontally disposed upper ejector pin (3) and last contract piece (5), the other end of upper ejector pin (3) is connected with an end of upper lever (2), and upper lever (2) also is connected with frame (22) through upper spring (16);
Said Hydraulic Power Transmission System down is included in the following hydraulic cylinder (21) that frame (22) went up, went up the below setting of hydraulic cylinder (20); Two ends are respectively arranged with the 3rd piston (8), the 4th piston (11) about in the following hydraulic cylinder (21); Vertically be provided with down contract piece (9) between said the 3rd piston (8) and the 4th piston (11); The side of following contract piece (9) and the angle of vertical direction are 8 degree; Said hydraulic cylinder (21) side down is provided with down top cover (10), the contacts side surfaces of following top cover (10) and following contract piece (9), the contacts side surfaces of an end of horizontally disposed lower push rod (12) and following contract piece (9); The other end of lower push rod (12) is connected with the following lever (14) that support (13) lower end is provided with, and following lever (14) also is connected with frame (22) through lower spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203683609U CN202240894U (en) | 2011-09-30 | 2011-09-30 | Hydraulic tracking type center frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203683609U CN202240894U (en) | 2011-09-30 | 2011-09-30 | Hydraulic tracking type center frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202240894U true CN202240894U (en) | 2012-05-30 |
Family
ID=46102192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203683609U Expired - Fee Related CN202240894U (en) | 2011-09-30 | 2011-09-30 | Hydraulic tracking type center frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202240894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457691A (en) * | 2016-06-03 | 2017-12-12 | 重庆市巨吉机电设备有限公司 | A kind of centre frame on crankshaft grinding machine |
-
2011
- 2011-09-30 CN CN2011203683609U patent/CN202240894U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457691A (en) * | 2016-06-03 | 2017-12-12 | 重庆市巨吉机电设备有限公司 | A kind of centre frame on crankshaft grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20180930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |