CN204535989U - Overlength basic rack high precision installs detent mechanism - Google Patents
Overlength basic rack high precision installs detent mechanism Download PDFInfo
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- CN204535989U CN204535989U CN201520254234.9U CN201520254234U CN204535989U CN 204535989 U CN204535989 U CN 204535989U CN 201520254234 U CN201520254234 U CN 201520254234U CN 204535989 U CN204535989 U CN 204535989U
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- overlength
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- basic rack
- rack
- datum plate
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Abstract
The utility model discloses a kind of overlength basic rack high precision and installs detent mechanism.This device comprises the overlength basic rack being arranged on plane on basic platform by fixed connecting piece in the mode longitudinally arranged, be set in parallel in overlength basic rack side and be arranged on the positioning datum plate of plane on basic platform by keeper, fixed connecting piece, overlength basic rack opposite side, be vertically arranged with several and be arranged on eccentric disc on basic platform by bearing pin, guide rail is provided with slide block in the mode be slidably matched, for pretension slide block and the mounting blocks installing and measuring instrument is fixed on slide block; The thinner side of positioning datum plate is for locating a side of overlength basic rack, and eccentric disc is for locating another side of overlength basic rack.The utility model has that structure is simple, easy to operate, positioning precision is high, test figure is accurate, long service life, be convenient to the advantage of keeping in repair.
Description
Technical field
The utility model relates to a kind of being applicable to needs the basic rack in the plant equipment of super-long guiding rail to install detent mechanism, relates to one specifically and is applicable to the installation detent mechanism that large-scale (as Three Gorges) ship lift drives the super-long guiding rail needed for combination property demonstration test platform of the crucial drive disk assembly (gear, tooth bar) of elevating mechanism.
Background technology
Three-Gorges Ship-lift drives the crucial drive disk assembly gear of elevating mechanism, the super-long guiding rail needed for combination property demonstration test platform of tooth bar is always about ten meters, spliced by many guide rails and form, wherein a length is close to six meters, have four parallel super-long guiding rails, every bar guide rail load-bearing about 20 tons, in process of the test, mobile platform needs back and forth to run in guide rail cocycle, therefore the linear precision of every bar guide rail, article four, the parallel accuracy between guide rail, the plane precisions of guide rail upper surface etc. require all very high, its error directly can have influence on data acquisition results during test, and precision low time friction force improve accordingly, running resistance strengthens, affect serviceable life.Basic rack is as the basis of other guide rails assembling, its installation of installation accuracy to other guide rail plays critical effect, and the degreeof tortuosity of super-long guiding rail is larger, therefore basic rack must do high-precision mounting and adjusting, ensure accurately location, improve installation accuracy, error during installation is less, the precision of rectilinear motion and durability degree can be higher, thus the carrying out smoothly of warranty test.
Summary of the invention
The purpose of this utility model provides a kind of being applicable to need the basic rack high precision in the plant equipment of super-long guiding rail to install detent mechanism just in order to solve the problem.
The purpose of this utility model is realized by following technical proposals:
Overlength basic rack high precision of the present utility model is installed detent mechanism and is comprised the overlength basic rack being arranged on plane on basic platform by fixed connecting piece in the mode longitudinally arranged, be set in parallel in overlength basic rack side and pass through keeper, fixed connecting piece is arranged on the positioning datum plate of plane on basic platform, at the opposite side of overlength basic rack, be vertically arranged with several and be arranged on eccentric disc on basic platform by bearing pin, overlength basic rack is provided with slide block in the mode be slidably matched, for pretension slide block and the mounting blocks installing and measuring instrument is fixed on slide block, the thinner side of positioning datum plate is for locating a side of overlength basic rack, and eccentric disc is for locating another side of overlength basic rack.
The plank section that the plate of positioning datum described in the utility model is connected successively by some front and back ends forms; The guide rail section that described overlength basic rack is connected successively by some front and back ends forms; And the total length of described positioning datum plate is greater than the total length of overlength basic rack, and arrange in the mode that positioning datum plate two ends extend to outside overlength basic rack two ends respectively.
The basic rack of overlength described in the utility model is by being inlaid in swivel nut on basic platform and coupling bolt is fixedly mounted on basic platform, and positioning datum plate is bolted on basic platform, and is located by register pin.
The eccentric disc be arranged on basic platform by bearing pin described in the utility model is positioned by the register pin be installed between eccentric disc and basic platform behind accurate adjustment position; Several register pin mounting holes are processed with equal mode for cloth around eccentric disc axle center.
Principle of work of the present utility model is as follows:
First four positioning datum plates are fixed by bolts on basic platform, accurately measure in fixation procedure and reach requirement with the flatness of the side of guide rail binding face, linearity, locate with register pin, the side of overlength basic rack is abutted on the side, location of positioning datum plate, is screwed into bolt, not exclusively tighten, the opposite side bearing pin first time location eccentricity cover of overlength basic rack, by mounting blocks together with slide block bolt-connection, play the effect of pretension slide block, be enclosed within overlength basic rack, surveying instrument is fixed on mounting blocks, at slide on rails, according to accuracy requirement, adjust eccentric disc one by one, compress track, until reach required precision, eccentric disc register pin carries out second time location, after all adjusting to the right place, the order of bolt on overlength basic rack by first middle rear two is all tightened, need with the monitoring of surveying instrument total length in rundown process, realize the basic rack of high precision adjustment location, in order to prevent the torsional deformation of super-long guiding rail, the spacing of every two eccentric bushings should be as far as possible smaller.
The beneficial effects of the utility model are as follows:
1, structure is simple, and easy to operate, positioning precision is high, and the accuracy for test figure provides reliable guarantee.
2, do not destroy the surface of basic platform, do not increase the annexes such as firm banking, decrease cumulative errors, save cost simultaneously.
3, guide rail is fixed on basic platform by swivel nut, improves condition of contact, improves the life-span and is convenient to maintenance.
Accompanying drawing explanation
Fig. 1 is the front view that the utility model overlength basic rack high precision installs detent mechanism.
Fig. 2 is the vertical view (remove slide block 7, after mounting blocks 8, Rotate Right is placed) of Fig. 1.
Sequence number in Fig. 1 ~ Fig. 2: 1 basic platform, 2 screws, 3 register pins, 4 positioning datum plates, 5 screws, 6 overlength basic racks, 7 slide blocks, 8 mounting blocks, 9 bolts, 10 bolts, 11 eccentric bushings, 12 register pins, 13 bearing pins, 14 swivel nuts, 15 datum plates one, 16 datum plate two, 17 datum plate three, 18 datum plates four, 19 guide rail one, 20 guide rail two, 21 guide rails three.
Embodiment
The utility model is described in further details below in conjunction with embodiment (accompanying drawing):
As Fig. 1, shown in Fig. 2, overlength basic rack high precision of the present utility model is installed detent mechanism and is comprised by being inlaid in swivel nut (14) on basic platform (1) and coupling bolt is arranged on the overlength basic rack (6) of the upper plane of basic platform (1) in the mode longitudinally arranged, be set in parallel in overlength basic rack (6) side and pass through register pin (3), bolt (2, 5) the positioning datum plate (4) of the upper plane of basic platform (1) is arranged on, at the opposite side of overlength basic rack (6), be vertically arranged with several and be arranged on eccentric disc (11) on basic platform (1) by bearing pin (13), overlength basic rack (6) is provided with slide block (7) in the mode be slidably matched, for pretension slide block and the mounting blocks (8) installing and measuring instrument is fixed on slide block (7), the thinner side of positioning datum plate (4) is for locating a side of overlength basic rack (6), and eccentric disc (11) is for locating another side of overlength basic rack (6).
The datum plate one (15) that the plate of positioning datum described in the utility model (4) is connected successively by front and back end, datum plate two (16), datum plate three (17), datum plate four (18) form; The guide rail one (19) that described overlength basic rack (6) is connected successively by front and back end, guide rail two (20), guide rail three (21) form; And the total length of described positioning datum plate (4) is greater than the total length of overlength basic rack (6), and arrange in the mode that positioning datum plate (4) two ends extend to outside overlength basic rack (6) two ends respectively.
The basic rack of overlength described in the utility model (6) is by being inlaid in swivel nut (14) on basic platform (1) and coupling bolt is fixedly mounted on basic platform (1), positioning datum plate (4) is bolted on basic platform (1), and by register pin (3) location.
The eccentric disc (11) be arranged on basic platform (1) by bearing pin (13) described in the utility model is positioned by the register pin (12) be installed between eccentric disc (11) and basic platform (1) behind accurate adjustment position; Around eccentric disc (11) axle center with uniform be that mode is processed with 8 register pin mounting holes, the bore dia of 8 register pin mounting holes is less than the diameter of axle of register pin (12).
Specific operation process of the present utility model is as follows:
Positioning datum plate (4) is made up of jointly datum plate one (15), datum plate two (16), datum plate three (17), datum plate four (18), add man-hour requirement to process together, consistent to ensure precision everywhere, first positioning datum plate (4) is fixed on basic platform (1) by screw (2) (5), need in fixation procedure accurately to measure and reach requirement with the flatness of the side of guide rail binding face, linearity, locate with register pin (3); Overlength basic rack (6) is spliced formed by guide rail one (19), guide rail two (20), guide rail three (21), notices that the seam of overlength basic rack (6) must stagger with the seam of positioning datum plate.Before fixing, the upper fixed guide place of basic platform (1) needs first scraping to accuracy requirement, not only to ensure the error amount in length range, error amount within the scope of also needing to ensure every 2 meters, then swivel nut (14) is tightened, the side of overlength basic rack (6) is abutted on the side, location of positioning datum plate (4), be screwed into bolt (10), not exclusively tighten, the opposite side bearing pin (13) first time location eccentricity cover (11) of overlength basic rack (6), mounting blocks (8) and slide block (7) bolt (9) are linked together, play the effect of pretension slide block, be enclosed within super-long guiding rail, surveying instrument is fixed on mounting blocks (8), in the upper slip of overlength basic rack (6), according to accuracy requirement, rotate eccentric disc (11), hold out against track (6) opposite side, until reach required precision, eccentric disc (11) there is the hole that 8 smaller, after adjusting the position of eccentric disc (11), choose a suitable hole and join brill together with basic platform (1), second time location is carried out with register pin (12), after all adjusting to the right place, all the tightening smoothly by first middle rear two of the bolt (10) on overlength basic rack (6), need in rundown process with the monitoring of surveying instrument total length.
Claims (4)
1. an overlength basic rack high precision installs detent mechanism, it is characterized in that: it comprises the overlength basic rack (6) being arranged on the upper plane of basic platform (1) by fixed connecting piece in the mode longitudinally arranged, be set in parallel in overlength basic rack (6) side and pass through keeper, fixed connecting piece is arranged on the positioning datum plate (4) of the upper plane of basic platform (1), at the opposite side of overlength basic rack (6), be vertically arranged with several and be arranged on eccentric disc (11) on basic platform (1) by bearing pin (13), overlength basic rack (6) is provided with slide block (7) in the mode be slidably matched, for pretension slide block and the mounting blocks (8) installing and measuring instrument is fixed on slide block (7), the thinner side of positioning datum plate (4) is for locating a side of overlength basic rack (6), and eccentric disc (11) is for locating another side of overlength basic rack (6).
2. overlength basic rack high precision according to claim 1 installs detent mechanism, it is characterized in that: the plank section that described positioning datum plate (4) is connected successively by some front and back ends forms; The guide rail section that described overlength basic rack (6) is connected successively by some front and back ends forms; And the total length of described positioning datum plate (4) is greater than the total length of overlength basic rack (6), and arrange in the mode that positioning datum plate (4) two ends extend to outside overlength basic rack (6) two ends respectively.
3. overlength basic rack high precision according to claim 1 installs detent mechanism, it is characterized in that: described overlength basic rack (6) is by being inlaid in swivel nut (14) on basic platform (1) and coupling bolt is fixedly mounted on basic platform (1), positioning datum plate (4) is bolted on basic platform (1), and by register pin (3) location.
4. overlength basic rack high precision according to claim 1 installs detent mechanism, it is characterized in that: the described eccentric disc (11) be arranged on basic platform (1) by bearing pin (13) is positioned by the register pin (12) be installed between eccentric disc (11) and basic platform (1) behind accurate adjustment position; Several register pin mounting holes are processed with equal mode for cloth around eccentric disc (11) axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520254234.9U CN204535989U (en) | 2015-04-24 | 2015-04-24 | Overlength basic rack high precision installs detent mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520254234.9U CN204535989U (en) | 2015-04-24 | 2015-04-24 | Overlength basic rack high precision installs detent mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204535989U true CN204535989U (en) | 2015-08-05 |
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| CN201520254234.9U Active CN204535989U (en) | 2015-04-24 | 2015-04-24 | Overlength basic rack high precision installs detent mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748964A (en) * | 2015-04-24 | 2015-07-01 | 郑州机械研究所 | High-precision installing and positioning mechanism for super-long standard guide rail |
| CN105252176A (en) * | 2015-11-11 | 2016-01-20 | 中国船舶重工集团公司第七一六研究所 | Fast splicing guide rail mechanism used for automatically welding ship T section bars |
| CN108214965A (en) * | 2018-02-08 | 2018-06-29 | 常熟市创新陶瓷有限公司 | The clamp for machining and processing method of high powered water pump axis impeller locating platform |
-
2015
- 2015-04-24 CN CN201520254234.9U patent/CN204535989U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748964A (en) * | 2015-04-24 | 2015-07-01 | 郑州机械研究所 | High-precision installing and positioning mechanism for super-long standard guide rail |
| CN105252176A (en) * | 2015-11-11 | 2016-01-20 | 中国船舶重工集团公司第七一六研究所 | Fast splicing guide rail mechanism used for automatically welding ship T section bars |
| CN108214965A (en) * | 2018-02-08 | 2018-06-29 | 常熟市创新陶瓷有限公司 | The clamp for machining and processing method of high powered water pump axis impeller locating platform |
| CN108214965B (en) * | 2018-02-08 | 2024-03-12 | 常熟市创新陶瓷有限公司 | Machining clamp and machining method for high-power water pump shaft impeller positioning platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: Fengyang high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 10 Patentee after: Zhengzhou Machinery Research Institute Co., Ltd. Address before: Fengyang high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 10 Patentee before: Zhengzhou Research Institute of Mechanical Engineering |