CN203679161U - Auxiliary detachment device for rivet with head - Google Patents
Auxiliary detachment device for rivet with head Download PDFInfo
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- CN203679161U CN203679161U CN201420074899.7U CN201420074899U CN203679161U CN 203679161 U CN203679161 U CN 203679161U CN 201420074899 U CN201420074899 U CN 201420074899U CN 203679161 U CN203679161 U CN 203679161U
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- Prior art keywords
- rivet
- remover
- assist
- guide hole
- hole
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Abstract
The utility model discloses an auxiliary detachment device for a rivet with a head. The auxiliary detachment device comprises a support, wherein a guide hole is formed in the support, the support is used for guiding a drill bit, a positioning hole is formed in one end of the guide hole, the inner diameter of the positioning hole is larger than the inner diameter of the guide hole, the positioning hole is coaxial with the guide hole, the inner diameter of the positioning hole is equal to the nominal diameter of the rivet head of the rivet with the head, and a chip removal structure is formed in the side face of the positioning hole. According to the auxiliary detachment tool, the efficiency of detachment of the rivet with the head can be improved, and the risks of detachment are reduced.
Description
Technical field
The utility model relates to a kind of instrument for there being a rivet to remove on airborne vehicle.
Background technology
Having a rivet is the very large a kind of structural fasteners of use amount on aircraft, and the permanent riveted joint that is mainly used in structure member is installed.In regular inspection maintenance process, when aircraft is placed under repair, when repacking or part replacement work, we often will remove a large amount of rivets that has.
In the Demolition Scheme of some standards, as according to the explanation of Boeing 737 airplane Structure Repair Manual, should be first while having rivet to remove with file by manufactured head upper surface filing, make a call to an anchor point in manufactured head center with centre punch, and then manufactured head is bored with drill bit, period for removal will be controlled the perpendicularity of drill bit well and hinder hole to prevent from boring, the complex steps of entirety and relatively difficulty, as filing step, the flatness of more difficult grasp institute filing face and with the depth of parallelism of institute's riveted plating face.
While having a rivet to remove, have a big risk, mainly because ailhead upper surface is a sphere, locate more difficultly, the perpendicularity while especially boring is not easy to control, and the situation of boring, partially bore, tiltedly boring and causing the drilled wound in hole, parts to be scrapped often occurs in real work to run.
Have for convenience the dismounting of a rivet, currently occurred detachable rivet, the appearance of detachable rivet efficiently solves rivet dismounting may be to matrix damage and the low problem of removal efficiency.But detachable rivet, owing to there being rivet body engagement face, can fatigue capability reduce greatly, disagree, and its removal efficiency is not high with the attribute that rivet is intrinsic.
Chinese patent literature CN201483427U discloses a kind of rivet detaching tool, for the dismounting of tubular rivet, have a rivet different from this case is related, its dismounting mode is to realize dismounting by the mode of Tool for detaching and tubular rivet endoporus interference fit, is not suitable for and has a rivet.
Adopt the scheme of drill bit removing rivet to be found in Chinese patent literature CN102615233A, what face is a kind of special-purpose rivet, this rivet has center location structure, facilitates the drilling location of drill bit, by by the axis coinciding of rivet and drill bit and make drill bit pierce prescribed depth.For there being a rivet, there is the problem of centralized positioning difficulty, this rivet dismantlement scheme is difficult to use having on a rivet.
Chinese patent literature CN201979468U discloses a kind of disassembling punch for self-plugging rivet dismounting on aircraft, directly its active section is acted on rivet core bar, so as to rivet core bar is got.This disassembling punch can produce larger impulsive force, can produce damage to aircraft skin.
Utility model content
For the current present situation that has a rivet to dismantle exclusive tool that lacks, the purpose of this utility model is to provide one to have a rivet to assist remover, has an efficiency of rivet dismounting, and reduce the risk of removing to improve.
The utility model is by the following technical solutions:
One has a rivet to assist remover, comprising:
Support, is provided with guide hole, for the guiding of drill bit, have internal diameter and be greater than guide hole internal diameter the locating hole with guide hole coaxial line, and the internal diameter of locating hole equals the nominal diameter of the manufactured head that has a rivet in one end of guide hole;
Wherein, the side of locating hole has chip discharging structure.
Can find out from said structure, according to the utility model, the existence of locating hole, can be beneficial to the quick location of guide hole, thereby guarantees that guide hole is coaxial with rivet, thereby guarantees that drill bit aligns the center of manufactured head.Be subject to locating hole constraint diametrically, in the time being subject to the radial load that is not very large, support can deflection, bore, partially bore thereby can not produce to run, guide hole has further reduced the appearance of oblique brill problem, therefore, the quality of removing easily guarantees, and has reduced the risk of removing.Because drilling location can directly be completed fast by locating hole, therefore efficiency is very high.
Above-mentioned have a rivet to assist remover, and described guide hole has multiple, and is evenly arranged in a row, and adjacent passages centre-to-centre spacing is to have the adjacent centre-to-centre spacing that has a rivet in a rivet array.
Above-mentioned have a rivet to assist remover, and described guide hole has one, and correspondingly, described is configured to tube-in-tube structure;
And then this has the auxiliary remover of a rivet also to comprise the handle that is connected to support side.
Above-mentioned have a rivet to assist remover, and described handle is the handle that is vertically connected to support one side.
Above-mentioned have a rivet to assist remover, and described support is provided with end plate in the one end that is provided with locating hole, and card forms supporting surface.
Above-mentioned have a rivet to assist remover, and described chip discharging structure is the chip-removal hole that is arranged on locating hole side.
Above-mentioned have a rivet to assist remover, and the cross section of described chip-removal hole is made up of along connecing upper and lower two identical segmental arcs and left and right two vertical straight line segments.
Above-mentioned have a rivet to assist remover, two segmental arc concentrics.
Above-mentioned have a rivet to assist remover, is provided with position limiting structure at the other end of guide hole, to limit the drilling degree of depth of drill bit.
Accompanying drawing explanation
Fig. 1 is according to a kind of plan structure schematic diagram that has the auxiliary remover of a rivet of the present utility model.
Fig. 2 is the main TV structure schematic diagram corresponding to Fig. 1.
Fig. 3 is the left TV structure schematic diagram corresponding to Fig. 1.
Fig. 4 is for there being a rivet to assist remover trip-out view.
Fig. 5 is for there being the auxiliary remover of a rivet to bore view.
In figure: 1. end plate, 2. chip-removal hole, 3. locating hole, 4. support, 5. guide hole, 6. handle;
7. manufactured head, 8. drill bit.
The specific embodiment
Have a rivet general reference to have the rivet of manufactured head, its shape is regulation, very high with the axiality of rivet bar.Consumption at first conical head rivet of airborne vehicle is very large, also can use a large amount of tubular rivets simultaneously.Wide area, snap rivet is the rivet that current application is the widest comparatively speaking.
The nominal diameter of manufactured head 7 is greater than rivet bar, and the aperture that therefore drill bit drilling goes out is slightly less than or equals rivet bar nominal diameter.
In view of this,, with reference to Figure of description 1 and accompanying drawing 2, one has a rivet to assist remover, its basic structure is embodied on support 4, shows its support 4, and in figure, this support 4 is provided with guide hole 5, as Fig. 4 and Fig. 5, for the guiding of drill bit 8, assurance drill bit 8 works are entered the reliability of direction.
In one end of guide hole 5, it in figure, is lower end, have internal diameter and be greater than guide hole internal diameter the locating hole 3 with guide hole coaxial line, and the internal diameter of locating hole 3 equals the nominal diameter of the manufactured head 7 that has a rivet, according to this structure, support lower end is directly stuck on manufactured head 7, can complete quick location, manufactured head 7 can be to radially the retraining of locating hole 3, in the time being subject to not being king-sized radial load, can guarantee not deflection of support, and then guarantee the stability of drill bit 8 drillings.
Because guide hole 5 is mainly used in the guiding of drill bit 8, both fit clearances are smaller, and natural drill bit self has chip area, but upwards chip removal is more difficult.
According to said structure, the side of locating hole 3 has chip discharging structure.
About chip discharging structure, in the structure shown in Fig. 1 lower end, adopt chip-removal hole 2 structures, can also adopt other chip discharging structure, as chip area, can also adopt Open architecture, as having symmetrically two 120 degree wall portions, between two wall portions, be Open architecture.
About chip-removal hole, its shape can be circular, square, rectangle or abnormally-structured.
The wherein circular impact that is subject to locating hole sectional dimension, chip removal ability is relatively low, and therefore as a kind of deformation design, the cross section of described chip-removal hole 2 is made up of along connecing upper and lower two identical segmental arcs and left and right two vertical straight line segments.As shown in Figure 1, by the vertical straight line segment length of vertical direction that can extend, and reduced the restriction of locating hole 3 diameters to circular chip-removal hole.
On the other hand, segmental arc is conducive to eliminate the retardance of right angle to drilling cuttings.
Preferably, two segmental arc concentrics, are similar to a circle arc one of both sides intercepting symmetrically, and corresponding segmental arc curvature is slightly little, and chip removal ability is more intense.
In order further raising the efficiency, and to reduce operating personnel's load, to be provided with position limiting structure at the other end of guide hole 5, to limit the drilling degree of depth of drill bit.Position limiting structure need to coordinate with selected rig, as can adopt the structural portion of direct conflict drill headstock realize drill bit shaft to spacing, namely can on support, be provided with a push rod or similar structures.
Can open bell in guide hole 5 upper ends on the other hand, the lower end tapering of coupling drill headstock, conflicting, it is spacing to produce.
About guide hole 5 numbers, can singlely exist, also can be multiple use simultaneously, have when multiple, evenly be arranged in a row, coupling gang drill, once can remove multiple rivets, efficiency is higher, and correspondingly, adjacent passages 5 centre-to-centre spacing are to have the adjacent centre-to-centre spacing that has a rivet in a rivet array.
The structure of multiple guide hole 5 correspondences can be configured to removable structure, when use, interconnects, and forms an assembly, conveniently selects according to operating mode.
The stability of multiple guide holes 5 of assembly easily guarantees, overall architecture ratio is easier to guarantee drilling quality.
In certain embodiments, described guide hole 5 has one, and correspondingly, described support 4 forms tube-in-tube structure, a kind of single tube structure in other words conj.or perhaps, and body can be used as the structural portion grasping, as outer surface carries out annular knurl.
Preferably, this has the auxiliary remover of a rivet also to comprise the handle that is connected to support 4 sides, with respect to body itself, more easily grips.
About handle, can adopt mechanical handle form, mechanical handle is of a great variety, also can be divided into according to handle external form: handle, straight hand lever, turning handle, curved surface turning handle, little turning handle, steel chromium plating handle, seven sub-handles (position-adjustable tightening handle), can roll over handle, long sleeve knob, taper knob, curved surface knob, handle ball, handlebar, handle set, disk handle set, set lever seat, position fixing handle seat, three player's handles, position fixing handle, ball handle, oblique cone post handle etc., obviously these handles can be applied on the target component of single tube structure.
In structure as shown in Figure 1, described handle is the handle 6 that is vertically connected to support one side, in other words, is a kind of straight hand lever structure, relatively simple for structure.
Handle 6 shown in figure is removable handle, have screwed hole corresponding to support 4 sides, and 6, handle is threaded head, and in connection, portable type disassembles, and overall portable structure is smaller.
Shown in figure, be one-sided handle, if two people coordinate, can adopt bilateral handle.
Than handle, the range of choice of handle is more, and handle is a kind of simple form in handle.Handle also can be divided into U-shaped handle according to profile, through hole star grip knob, bakelite ripple handle, knurlied knob, star grip knob, palm grip knob.
Referring to accompanying drawing 1 lower end, described support 4 is provided with end plate 1 in the one end that is provided with locating hole 3, and card forms supporting surface, forms plane of orientation, and area is relatively large, can improve the stability of support, especially the stability of single-tube support.
Claims (9)
1. there is a rivet to assist a remover, it is characterized in that, comprising:
Support (4), be provided with guide hole (5), for the guiding of drill bit (8), have internal diameter in one end of guide hole (5) and be greater than guide hole internal diameter the locating hole (3) with guide hole coaxial line, and the internal diameter of locating hole (3) equals to have the nominal diameter of the manufactured head (7) of a rivet;
Wherein, the side of locating hole (3) has chip discharging structure.
2. according to claim 1 have a rivet to assist remover, it is characterized in that, described guide hole (5) has multiple, and is evenly arranged in a row, and adjacent passages (5) centre-to-centre spacing is to have the adjacent centre-to-centre spacing that has a rivet in a rivet array.
3. according to claim 1 have a rivet to assist remover, it is characterized in that, described guide hole (5) has one, and correspondingly, described support (4) forms tube-in-tube structure;
And then this has the auxiliary remover of a rivet also to comprise the handle that is connected to support (4) side.
4. according to claim 3 have a rivet to assist remover, it is characterized in that, described handle is the handle (6) that is vertically connected to support one side.
5. assist remover according to the rivet that has described in claim 3 or 4, it is characterized in that, described support (4) is provided with end plate in the one end that is provided with locating hole (3), and card forms supporting surface.
6. according to claim 1 have a rivet to assist remover, it is characterized in that, described chip discharging structure is for being arranged on the chip-removal hole (2) of locating hole (3) side.
7. according to claim 6 have a rivet to assist remover, it is characterized in that, the cross section of described chip-removal hole (2) is made up of along connecing upper and lower two identical segmental arcs and left and right two vertical straight line segments.
8. according to claim 7 have a rivet to assist remover, it is characterized in that two segmental arc concentrics.
9. according to claim 1 have a rivet to assist remover, it is characterized in that, is provided with position limiting structure, to limit the drilling degree of depth of drill bit at the other end of guide hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074899.7U CN203679161U (en) | 2014-02-21 | 2014-02-21 | Auxiliary detachment device for rivet with head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074899.7U CN203679161U (en) | 2014-02-21 | 2014-02-21 | Auxiliary detachment device for rivet with head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679161U true CN203679161U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074899.7U Expired - Fee Related CN203679161U (en) | 2014-02-21 | 2014-02-21 | Auxiliary detachment device for rivet with head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679161U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878287A (en) * | 2014-02-21 | 2014-06-25 | 山东太古飞机工程有限公司 | Auxiliary remover for rivet with head |
| CN104942211A (en) * | 2015-06-10 | 2015-09-30 | 人本集团有限公司 | Deep groove ball bearing retainer dismantling method |
| CN108772530A (en) * | 2018-07-31 | 2018-11-09 | 眉山中车紧固件科技有限公司 | A kind of railway carriage derailment automatic arresting device rivet tool special for dismounting |
| CN109202005A (en) * | 2017-11-24 | 2019-01-15 | 中国航空制造技术研究院 | A kind of device and rivet method for dismounting of removing rivet |
-
2014
- 2014-02-21 CN CN201420074899.7U patent/CN203679161U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878287A (en) * | 2014-02-21 | 2014-06-25 | 山东太古飞机工程有限公司 | Auxiliary remover for rivet with head |
| CN104942211A (en) * | 2015-06-10 | 2015-09-30 | 人本集团有限公司 | Deep groove ball bearing retainer dismantling method |
| CN109202005A (en) * | 2017-11-24 | 2019-01-15 | 中国航空制造技术研究院 | A kind of device and rivet method for dismounting of removing rivet |
| CN108772530A (en) * | 2018-07-31 | 2018-11-09 | 眉山中车紧固件科技有限公司 | A kind of railway carriage derailment automatic arresting device rivet tool special for dismounting |
| CN108772530B (en) * | 2018-07-31 | 2024-04-16 | 眉山中车紧固件科技有限公司 | Special tool for disassembling rivets of railway derailment automatic braking device |
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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: 20140702 Termination date: 20160221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |