CN110842815A - Fixing device and semi-ring fixing method - Google Patents
Fixing device and semi-ring fixing method Download PDFInfo
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- CN110842815A CN110842815A CN201911137116.9A CN201911137116A CN110842815A CN 110842815 A CN110842815 A CN 110842815A CN 201911137116 A CN201911137116 A CN 201911137116A CN 110842815 A CN110842815 A CN 110842815A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The invention discloses a fixing device and a semi-ring fixing method, wherein the fixing device comprises a first support, a first bolt, a first swing bolt, a second support, a second bolt and a second swing bolt, a U-shaped groove is formed in the upper end of the first support, the first bolt penetrates through an eyelet at one end of the first swing bolt and then is placed in the U-shaped groove, the other end of the first swing bolt is detachably connected with the first support, the second swing bolt is detachably connected with the second support, the eyelet faces upwards, the second swing bolt can move up and down along the second support, and the second bolt is placed in an eyelet of the second swing bolt. The semi-ring fixing device is easy to manufacture, convenient to use and reliable in quality, the semi-ring fixing device can reduce the manufacturing difficulty and the installation difficulty of the fixing device, particularly the problem of deformation of the semi-ring caused by coaxiality errors of the two support holes in the conventional fixing device is effectively solved, and potential quality hazards are eliminated.
Description
Technical Field
The invention belongs to the field of manufacturing of aero-engines, and particularly relates to a fixing device and a fixing method for storing and transporting engine semi-rings.
Background
The novel engine device semi-ring is special in structure, and needs to be installed and fixed by a special fixing device in the storage and transportation processes. According to the structural characteristics of the novel device semi-ring, the novel device semi-ring needs to be installed and fixed on a fixing device through a first semi-ring ear hanging hole 31, a second semi-ring ear hanging hole 32 and a supporting plane on the right, wherein the first semi-ring ear hanging hole 31 and the second semi-ring ear hanging hole 32 are coaxial at the left side.
As shown in fig. 1 and 2, the conventional fixing device includes a base frame 1, a support platform 2, a hook assembly 3, a first support with holes 4, a second support with holes 5, a latch 6, a nut 27, a washer 28, and a screw 29. When the semi-ring support is used, the support plane on the right side of the semi-ring is placed on the support platform 2, then the first semi-ring ear hanging hole 31 and the second semi-ring ear hanging hole 32 are aligned with the round holes D1 and D2 on the first support 4 with the hole and the second support 5 with the hole respectively, the bolt 6 is installed into the two round holes respectively, the gasket 28 is installed finally, the nut 27 is screwed, the hook component 3 is screwed, and the semi-ring is fixed on the fixing device. Because the structural size L, B, H of the fixing device is larger, the underframe 1 of the fixing device, the first support with holes 4 and the second support with holes 5 are all welded structures, and the deformation is larger, the coaxiality of the round holes D1 and D2 on the first support with holes 4 and the second support with holes 5 on the fixing frame is difficult to ensure, and when the fixing device is used, the semi-rings need to be adjusted repeatedly to align with the ear hanging holes, so that the mounting difficulty is very large; in addition, because of the large coaxiality error of the round holes D1 and D2 on the first support with holes 4 and the second support with holes 5 on the fixing frame, the semi-rings are easy to deform after being installed in the fixing frame and fastened, and the quality hidden trouble is caused.
Disclosure of Invention
The invention aims to provide a novel device semi-ring fixing device and a fixing method which are easy to manufacture, convenient to use and reliable in quality, the manufacturing difficulty and the installation difficulty of the fixing device are reduced, the problem of semi-ring deformation caused by coaxiality errors of two support holes of the existing fixing device in the background technology is particularly solved, and potential quality hazards are eliminated.
The technical scheme of the invention is as follows:
a fixing device comprises a fixing device and a fixing device,
the first bolt penetrates through an eyelet at one end of the first swing bolt and then is placed in the U-shaped groove, and the other end of the first swing bolt is detachably connected with the first support;
the second bolt can move up and down along the second support, and the second bolt is placed in the hole of the second bolt.
Furthermore, the U-shaped groove comprises a left groove body and a right groove body which are distributed at intervals, a straight groove is arranged between the left groove body and the right groove body and on the first support, a first eyelet bolt is arranged in the straight groove, and two ends of the first bolt are respectively arranged in the left groove body and the right groove body after the first bolt passes through a hole on the first eyelet bolt.
Furthermore, two flanges are arranged at the tail end of the straight groove and on the first support at intervals, and the first swing bolt is arranged in the interval between the two flanges.
Furthermore, a second washer and a second bolt are detachably connected to the first swing bolt, and the second bolt is tightly attached to the end face of the flange through the second washer.
Furthermore, the second support is provided with a pair of conical holes, the conical holes comprise an upper conical hole with an upward large end and a lower conical hole with a downward large end, the upper conical hole and the lower conical hole are connected through a straight hole, and the second swing bolt is arranged in the conical holes.
Furthermore, the second swing bolt is in threaded connection with two spherical nuts, wherein the spherical surface of one spherical nut is tightly attached to the conical surface of the upper conical hole, and the spherical surface of the other spherical nut is tightly attached to the conical surface of the lower conical hole.
Furthermore, the second swing bolt is respectively provided with a locking nut which is tightly attached to one side of each of the two spherical nuts.
The supporting platform is provided with a semi-ring supporting surface, and the supporting platform, the first support and the second support are detachably connected to the same underframe.
A semi-ring fixing method adopting the fixing device is matched with a supporting platform for use, the supporting platform is provided with a semi-ring supporting surface, and the method specifically comprises the following steps,
installing a semi-ring supporting plane, namely placing the semi-ring supporting plane on the semi-ring supporting surface of the supporting platform;
installing a first half-ring hanging lug, namely inserting a first bolt into a first half-ring hanging lug hole and a first swing bolt hole, and then installing the first bolt into a U-shaped groove of a first support;
and the second half ring hanging lug is installed, the second swing bolt is detached from the second support, then the second bolt is inserted into the second half ring hanging lug hole and the second swing bolt hole, then the second swing bolt is installed into the second support, the height and the hole axial direction of the second swing bolt are adjusted, and the first bolt and the second bolt are ensured to be coaxial.
Furthermore, the method for fixing the semi-ring further comprises the step of arranging a first nut and a first gasket at two ends of the first bolt and two ends of the second bolt respectively.
Compared with the prior art, the invention provides the novel semi-ring fixing device and the fixing method which are easy to manufacture, convenient to use and reliable in quality. The U-shaped groove is formed in the first support, so that the plug pin component can be conveniently and directly installed. On the other hand, the second swing bolt can be adjusted in height and rotated within a certain range to adapt to the position relation of the two ear hanging holes of the half ring, so that the half ring is supported and fastened, the deformation problem of the half ring is prevented, and the quality hidden trouble is eliminated. Due to the adoption of the design of the U-shaped groove and the swing bolt, the fixing device does not need to have higher requirements on the positions of the U-shaped groove and the swing bolt, so that the manufacturing difficulty of the device is reduced.
Drawings
FIG. 1 is a front view of a prior art fastening device;
FIG. 2 is a sectional view A-A of a front view of a prior art fastening device;
FIG. 3 is a front view of the fastening device of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a sectional view B-B of the sectional view A-A of FIG. 4;
FIG. 6 is a front view of a first pedestal according to the present invention;
FIG. 7 is a view from the P direction in FIG. 6;
FIG. 8 is a front view of a second pedestal according to the present invention;
in the figure: 1. a chassis; 2. a support platform; 3. a hook assembly; 4. a first foraminous support; 5. a second support with holes; 6. a bolt; 61. a first latch; 62. a second bolt; 7. a first washer 8, a first nut; 10. a first support; 11. swing bolt, 12, second support, 13, swing bolt, 14, spherical nut; 15. locking the nut; 16. a second gasket; 17. a second nut; 27. a nut; 28. a gasket; 29. a screw; 31. a first semi-loop ear-hanging hole; 32. the second semi-ring ear hanging hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but it should not be understood that the scope of the subject matter of the present invention is limited to the following embodiments, and various modifications, substitutions and alterations made based on the common technical knowledge and conventional means in the art without departing from the technical idea of the present invention are included in the scope of the present invention.
Referring to fig. 3 to 8, the fixing apparatus of the present embodiment includes a first holder 10, a second holder 12, a first swing bolt 11, a second swing bolt 13, a first bolt 61, and a second bolt 62. The upper end of the first support 10 is provided with a U-shaped groove 101, the U-shaped groove 101 comprises a left groove body and a right groove body, a space is arranged between the left groove body and the right groove body, a straight groove 102 is arranged between the left groove body and the right groove body and on the first support 10, the tail end of the straight groove 102 is provided with a pair of flanges 103 on the first support 10, and the space between the two flanges 103 is equal to the groove width of the straight groove 102; the second support 12 is provided with a pair of taper holes, which include an upper taper hole 121 with a large end facing upwards and a lower taper hole 122 with a large end facing downwards, and the small end of the upper taper hole 121 is connected with the small end of the lower taper hole 122 through a cylindrical straight hole; the first swing bolt 11 is placed in the straight slot 102 and the second swing bolt 13 is placed in the tapered hole; the first bolt 61 passes through the eyelet at one end of the first swing bolt 11 and then is placed in the U-shaped groove 101; the second bolt 62 is placed in the eye of the second swing bolt 13.
Referring to fig. 3, 6 and 7, there is shown a first holder 10 having a U-shaped groove 101 at its upper end. The upper end of the first support 10 is provided with a U-shaped groove 101, the first bolt 61 can be inserted into the first semi-ring ear hanging hole 31, and then the first bolt 61 is directly placed on the first support 10, so that the installation is convenient and rapid; two flanges 103 are additionally arranged on the first support 10, so that the first swing bolt 11 can be effectively prevented from being shaken and separated in the transportation process; the first mount 10 is provided with a straight slot 102 into which the first swing bolt 11 can be inserted and then fastened in conjunction with the second washer 16, the second nut 17, and the rib 103. The first bolt 61 is inserted into the eye of the first swing bolt 11 and can be fastened to the first holder 10 with the U-shaped groove 101.
As shown in fig. 4, 5 and 8, the second support 12 has a pair of tapered holes, including an upper tapered hole 121 with a large end facing upward and a lower tapered hole 122 with a large end facing downward, the small end of the upper tapered hole 121 is connected to the small end of the lower tapered hole 122 through a cylindrical straight hole, and the tapered surfaces of the upper tapered hole 121 and the lower tapered hole 122 are respectively attached to the spherical surfaces of the two spherical nuts 14. A second swing bolt 13 is arranged in the conical bore of the second support 12. The two spherical nuts 14 are mounted on the second swing bolt 13, so that the height adjustment and the rotation adjustment of the second swing bolt 13 within a certain range are realized, the position relation of the two semi-ring lug holes is adapted, the supporting and the fastening are carried out, the problems of mounting and deformation caused by different axial degree errors of the two holes are solved, and the quality hidden trouble is eliminated.
In this embodiment, the fixing device is mainly composed 7 of the support platform 2, the hook assembly 3, the first support 10, the first swing bolt 11, the second support 12, the second swing bolt 13, the spherical nut 14, the nut lock 15, the second washer 16, the second nut 17, the first nut 8, the first washer, and the like. Wherein the support platform 2, the first holder 10 with the U-shaped groove 101, the second holder 12 with the tapered hole are mounted on the base frame 1 by means of screws, the first bolt 61, the second washer 16, the second nut 17 are fitted onto the first swing bolt 11, and the first bolt 61 is placed in the U-shaped groove 101 at the upper end of the first holder 10. A second bolt 62, a spherical nut 14 and a lock nut 15 are also mounted on the second swing bolt 13. The first bolt 61 and the second bolt 62 are provided at both ends with a first nut 8 and a first washer 7 for locking with the first half-ring hanger and the second half-ring hanger. During installation, a first set of locking nuts 15 and spherical nuts 14 are installed above the second swing bolt 13, inserted into the tapered hole of the second support 12, and a second set of spherical nuts 14 and locking nuts 15 are screwed below the second swing bolt 13.
When the support platform is used, the support plane of the half ring is placed on the support plane of the half ring on the support platform 2, then the first bolt 61 is inserted into the first half ring hanging lug hole 31 and the hole of the first swing bolt 11, and finally the first bolt 61 is installed in the U-shaped groove 101 on the first support 10. Subsequently, the second bolt 62 of the second swing bolt 13 is removed, the second bolt 62 is simultaneously inserted into the second half-ring eye 32 and the eye of the second swing bolt 13, the upper and lower sets of lock nuts 15 and ball nuts 14 are adjusted according to the position of the second half-ring eye 32, thereby adjusting the height of the second swing bolt 13 on the second support 12, and if necessary, the angle of the eye of the second swing bolt 13 with respect to the axis of the U-shaped groove 101 is adjusted by rotating the eye of the second swing bolt 13 about the axis of the second swing bolt 13, and the second swing bolt 13 is fastened as appropriate. Finally, the first washer 7 and the first nut 8 are respectively arranged at the two ends of the first bolt 61 and the second bolt 62 and are screwed to be fastened with the first half ring lug and the second half ring lug, and then the hook assembly 3 on the supporting platform 2 is fastened to fix the half rings.
Claims (8)
1. A fixation device, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the bolt-locking device comprises a first support (10), a first bolt (61) and a first swing bolt (11), wherein a U-shaped groove (101) is formed in the upper end of the first support (10), the first bolt (61) penetrates through an eyelet at one end of the first swing bolt (11) and then is placed in the U-shaped groove (101), and the other end of the first swing bolt (11) is detachably connected with the first support (10);
a second support (12), a second bolt (62) and a second swing bolt (13), wherein the second swing bolt (13) is detachably connected with the second support (12) and the hole faces upwards, the second swing bolt (13) can move up and down along the second support (12), and the second bolt (62) is arranged in the hole of the second swing bolt (13).
2. A fastening device according to claim 1, wherein: the U-shaped groove (101) comprises a left groove body and a right groove body which are distributed at intervals, a straight groove (102) is arranged between the left groove body and the right groove body and on the first support (10), a first swing bolt (11) is arranged in the straight groove (102), and two ends of a first bolt (61) are respectively arranged in the left groove body and the right groove body after penetrating through a hole on the first swing bolt (11).
3. A fastening device according to claim 2, wherein: two flanges (103) are arranged at the tail end of the straight groove (102) and on the first support (10) at intervals, and the first swing bolt (11) is arranged in the interval between the two flanges (103).
4. A fastening device according to claim 3, wherein: the first swing bolt (11) is detachably connected with a second washer (16) and a second bolt (17), and the second bolt (17) is tightly attached to the end face of the flange (103) through the second washer (16).
5. A fastening device according to claim 1, wherein: the second support (12) is provided with a pair of conical holes, the conical holes comprise an upper conical hole (121) with an upward large end and a lower conical hole (122) with a downward large end, the upper conical hole (121) and the lower conical hole (122) are connected through a straight hole, and the second swing bolt (13) is arranged in the conical holes.
6. A fastening device according to claim 5, wherein: and two spherical nuts (14) are connected to the second swing bolt (13) in a threaded manner, the spherical surface of one spherical nut (14) is tightly attached to the conical surface of the upper conical hole (121), and the spherical surface of the other spherical nut (14) is tightly attached to the conical surface of the lower conical hole (122).
7. A fastening device according to claim 6, wherein: the second swing bolt (13) has a locking nut (15) which is in contact with the second swing bolt on one side of each of the two spherical nuts (14).
8. A method of semi-ring fastening using the fastening device of claim 1 in combination with a support platform (2), the support platform (2) having a semi-ring support surface, the method comprising: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
installing a semi-ring supporting plane, namely placing the semi-ring supporting plane on the semi-ring supporting surface of the supporting platform (2);
installing a first half-ring hanging lug, namely inserting a first bolt (61) into a first half-ring hanging lug hole (31) and a first swing bolt (11) hole, and then installing the first bolt (61) into a U-shaped groove (101) of a first support (10);
and (3) mounting the second half-ring hanging lug, namely detaching the second swing bolt (13) from the second support (12), then inserting a second bolt (62) into the second half-ring hanging lug hole (32) and the hole of the second swing bolt (13), then installing the second swing bolt (13) into the second support (12) and adjusting the height and the hole axial direction of the second swing bolt (13) to ensure that the first bolt (61) and the second bolt (62) are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137116.9A CN110842815B (en) | 2019-11-19 | 2019-11-19 | Fixing device and semi-ring fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137116.9A CN110842815B (en) | 2019-11-19 | 2019-11-19 | Fixing device and semi-ring fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110842815A true CN110842815A (en) | 2020-02-28 |
| CN110842815B CN110842815B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911137116.9A Active CN110842815B (en) | 2019-11-19 | 2019-11-19 | Fixing device and semi-ring fixing method |
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| CN2692650Y (en) * | 2004-03-26 | 2005-04-13 | 陕西科技大学 | Comprehensive experiment assembling table with axis structure |
| CN201061848Y (en) * | 2007-06-05 | 2008-05-21 | 北京科技大学 | Device for pressing pin and positioning |
| CN202224890U (en) * | 2011-08-30 | 2012-05-23 | 寿震森 | Coaxial floating location tool for lug plate holes |
| CN204299206U (en) * | 2014-12-10 | 2015-04-29 | 内蒙古科技大学 | A kind of height-adjustable external prestressing steering block |
| US9308634B1 (en) * | 2015-07-20 | 2016-04-12 | Perry Adams | Air brake service tool |
| CN106638184A (en) * | 2016-10-18 | 2017-05-10 | 中铁上海工程局集团有限公司 | Multi-loading-condition movable running rail supporting device and using method |
| CN208051853U (en) * | 2017-10-20 | 2018-11-06 | 四川佳泰防腐绝缘材料有限公司 | A kind of bend pipe preservative treatment clamping device |
-
2019
- 2019-11-19 CN CN201911137116.9A patent/CN110842815B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000225579A (en) * | 1999-02-05 | 2000-08-15 | Honda Motor Co Ltd | Piston inserting device |
| CN2692650Y (en) * | 2004-03-26 | 2005-04-13 | 陕西科技大学 | Comprehensive experiment assembling table with axis structure |
| CN201061848Y (en) * | 2007-06-05 | 2008-05-21 | 北京科技大学 | Device for pressing pin and positioning |
| CN202224890U (en) * | 2011-08-30 | 2012-05-23 | 寿震森 | Coaxial floating location tool for lug plate holes |
| CN204299206U (en) * | 2014-12-10 | 2015-04-29 | 内蒙古科技大学 | A kind of height-adjustable external prestressing steering block |
| US9308634B1 (en) * | 2015-07-20 | 2016-04-12 | Perry Adams | Air brake service tool |
| CN106638184A (en) * | 2016-10-18 | 2017-05-10 | 中铁上海工程局集团有限公司 | Multi-loading-condition movable running rail supporting device and using method |
| CN208051853U (en) * | 2017-10-20 | 2018-11-06 | 四川佳泰防腐绝缘材料有限公司 | A kind of bend pipe preservative treatment clamping device |
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| CN110842815B (en) | 2021-04-06 |
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