CN103085025B - Ball conveying base plate maintaining method - Google Patents
Ball conveying base plate maintaining method Download PDFInfo
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- CN103085025B CN103085025B CN201310050285.5A CN201310050285A CN103085025B CN 103085025 B CN103085025 B CN 103085025B CN 201310050285 A CN201310050285 A CN 201310050285A CN 103085025 B CN103085025 B CN 103085025B
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- Prior art keywords
- ball
- guard ring
- plate body
- supporting leg
- backing plate
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 14
- 230000008439 repair process Effects 0.000 claims description 6
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003831 antifriction material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
A ball conveying base plate maintaining method comprises the following steps: (1) pressing the balls by using a ball pressing device so as to remove the location of the balls by a retainer; (2) keeping the press action to the balls, meanwhile partly stretching at least two bosses at the surface of a driving end into location holes of the retainer, rotating a handle, till a location salient point of the retainer is aligned at a hollow part of the plate body, thereby removing the constraint to the retainer by the plate body; (3) replacing the plate body, the spring, the balls and/or retainer to be maintained; (4) after the replacement is finished, aligning the location salient point of the retainer at the hollow part of the plate body, assembling the spring, the balls and the restrain on the plate body; (5) executing the step (1); and (6) keeping the press action to the balls, meanwhile partly stretching at least two bosses at the surface of the driving end into the location holes of the retainer, rotating the handle, till the location salient point of the retainer is not aligned at the hollow part of the plate body, thereby enabling the plate body to restrain the retainer.
Description
Technical field
The present invention is relevant with the maintenance tool of airplane component, and particularly the ball of aircraft transmits backing plate maintenance tool and utilize this maintenance tool to keep in repair the method that ball transmits backing plate.
Background technology
Usually, the ball that aircraft hold is equipped with ANCRA manufacturer production transmits backing plate, and as shown in Figures 1 to 4, ball transmits backing plate and comprises plate body 1, ball 2, guard ring 3 and spring 4.Plate body 1 comprises upper plate and lower plate, and its inside is hollow.Upper plate and lower plate projection slightly along the width of plate body 1 to both sides.Upper plate offers multiple hole 11, and hole inwall is provided with recess 111, at this evenly to arrange three parallel recess 111.Spring 4 is placed in plate body 1 via hole 11, it is installed with ball 2.As shown in Figure 3, Figure 4, guard ring 3 comprises pressure section 31 and connecting portion 32, and pressure section 31 is circular, comprises inner edge 33 and outer rim 34, and inner edge 33 diameter is slightly less than the external diameter of ball 2, and outer rim 34 diameter is greater than the aperture of hole 11.Outer rim 34 is along the circumferential direction evenly arranged with three positioning ports 35.Connecting portion 32 is cylindrical shape, it is connected to the lower surface of pressure section 31, junction is between inner edge 33 and outer rim 34, the diameter of connecting portion 32 is slightly less than the internal diameter of hole 11, the even projection of lower end edge circumferencial direction three positioning convex point (not shown) of the outer wall of connecting portion 32, itself and locating hole 35 are for what align, and the section shape and size of connecting portion 32 is substantially equal to the sectional dimension of recess 111, and such as the two cross section is semicircle.During assembling, first ball 2 is medially pressed on spring 4, then the positioning convex point of connecting portion 32 is alignd with recess 111, insert guard ring 3, the inner edge 33 of guard ring 3 is made to be pressed on ball 2, the outer rim 34 of guard ring 3 is pressed on plate body 1, firmly rotate guard ring 3 subsequently, positioning convex point and recess 111 are staggered, and guard ring 3 is rotated to the fixing hole 15 of one of them positioning port 35 with the upper plate of plate body 1 aim at, namely, fixing hole 15 is overlapping with positioning port 35, finally fixed screw 16 is inserted in positioning port 35, the head end of fixed screw 16 exposes positioning port 35, the fixed screw 16 of outstanding positioning port 35 prevents guard ring 3 from rotating, thus guard ring 3 can not transmit backing plate from ball and comes off, ball 2 is made to be fixed on plate body 1.In like manner, the unloading process of ball 2 is contrary with said process.
Because the 4 pairs of balls 2 of the spring below ball 2 apply elastic force upwards, therefore in the disassembly process of ball 2, enough large pressure must be applied on ball 2, to overcome the active force of spring 4, guard ring 3 could be rotated, cause dismounting to be required great effort.
At present, the ball for aircraft transmits in the maintenance process of backing plate, to the disassemble and assemble work that ball carries out, usually uses the kit ANCRA Tool T228 of ANCRA manufacturer production to dismantle ball.As shown in Figure 5, this instrument comprises interconnective handle 5 and base 6.Base 6 has hollow bulb (not shown).In the disassemble and assemble work carrying out ball on ANCRA ball transmission backing plate, need two people to cooperatively interact and carry out disassemble and assemble work.Wherein a people needs both hands to hold handle 5, is enclosed within by base 6 on ball 2, and applying can overcome the pressure of reactive spring force on ball; Another person then holds the instrument of knocking (not belonging to a part for ANCRA Tool T228 instrument) and heuristically knocks guard ring 4 at leisure, lightly, guard ring 4 is outwarded winding certain angle, just can extract guard ring 4, to change intact guard ring.
But this kit has following defect:
One, when pressing down ball, due to ball smooth surface, the instrument that is very easy to occur skids and causes operating personnel injured or destroy ball, uses safe not.
The kit two, using this traditional, in the whole process of disassembly process, needs operator to continue holding tool, and continues to apply pressure to ball, wastes time and energy.
Its three, owing to there is no the special instrument turning guard ring, can only arbitrarily use tools in hand heuristically to knock guard ring, not only require great effort, and inefficiency.
Its four, disassembly process needs two people to coordinate just to complete simultaneously, waste of manpower, and operation is very inconvenient.
Summary of the invention
The object of the invention is to, a kind of maintenance tool of ball is provided and utilizes this maintenance tool to keep in repair ball and transmit the method for backing plate, with laborsaving, dismounting ball easily and safely.
The invention provides a kind of ball and transmit backing plate maintenance tool, backing plate is transmitted for keeping in repair ball, described ball transmits backing plate and comprises plate body, be installed on the spring in the hole of described plate body and ball, and be installed on the guard ring that plate body also can make described ball locate, described guard ring has at least two locating holes, described ball transmits backing plate maintenance tool and comprises for suppressing the ball pressure setting of described ball and the spanner for screwing described guard ring, described spanner comprises the driving end and handle that are connected, the surface of described driving end has at least two projections, described projection can enter in described locating hole at least in part.
Wherein, described driving end and handle are formed in one, and the grip portions that described handle has level and the sloping portion be connected with described driving end, make described driving end and grip portions have difference in height.
Wherein, described driving end is that the ring-type with opening forms two pincers portions; Described projection is along the circumferential direction equally distributed three, and one of them projection is positioned on the center line of described spanner, and two other is located at described two pincers portions respectively.
Wherein, described driving end is also provided with two positioning ports, and it lays respectively at the periphery of contiguous two other projection described.
Wherein, the angle that the line at the center of described two positioning ports and described spanner is formed is 120 degree.
Wherein, described ball pressure setting comprise crossbeam, two be connected to described crossbeam both ends for supporting the first supporting leg and second supporting leg of described crossbeam, and be located at the elevating lever relative to described beam lifting on described crossbeam.
Wherein, described first supporting leg is fixedly connected on an end of described crossbeam, and described second supporting leg is connected to the other end of described crossbeam slidably.
Wherein, described crossbeam is a pair slide rail, and two the first symmetrical breach are offered in the both sides of described second supporting leg, and the height of described first breach equals the height of described slide rail, described first breach is stuck on described slide rail, and the end of described second supporting leg of vicinity of described slide rail is closed by shrouding.
Wherein, be also welded with guiding projection between two the first breach of described second supporting leg, the two opposite sides of described guiding projection contact with the opposite flank of described pair of guide rails respectively and can slide along it.
Wherein, the inside horizontal buckling in lower end of described first supporting leg and the second supporting leg, forms the holding section of transmitting the plate body both sides of backing plate for being engaged to described ball.
Wherein, be provided with connecting portion, and connecting portion is provided with screw in the middle part of described crossbeam, described elevating lever is screw rod, is connected to described connecting portion by threaded engagement.
Wherein, described crossbeam is a pair slide rail, and two the second symmetrical breach are offered in the both sides of described connecting portion, and the height of described second breach equals the height of described slide rail, described second breach is stuck on described slide rail, and described connecting portion is clamped between described a pair slide rail.
Wherein, the bottom of described screw rod is provided with press keeping section, and described press keeping section has inner chamber, and cavity shape is identical with the shape of at least part of upper surface of described ball.
The present invention also provides a kind of ball to transmit backing plate method for maintaining, and it utilizes above-mentioned ball to transmit backing plate maintenance tool and keeps in repair, and comprises the following steps:
(1) described ball is suppressed with described ball pressure setting, to remove the location of described guard ring for described ball;
(2) the compacting action for described ball is kept, at least two bossings on the surface of described driving end are stretched in the locating hole of described guard ring simultaneously, rotate described handle, until the positioning convex point of described guard ring aligns with the recess of described plate body, thus described plate body removes the constraint for described guard ring;
(3) plate body, spring, ball and/or the guard ring that need repairing is changed;
(4) after completing replacing, the positioning convex point of described guard ring is alignd with the recess of described plate body, described spring, ball and guard ring are assembled on described plate body;
(5) step (1) is performed; And
(6) the compacting action for described ball is kept, at least two bossings on the surface of described driving end are stretched in the locating hole of described guard ring simultaneously, rotate described handle, until the recess of the positioning convex point of described guard ring and described plate body does not line up, described plate body is made to retrain described guard ring.
In sum, the maintenance tool of ball of the present invention and utilize this maintenance tool to keep in repair method that ball transmits backing plate has the following advantages: ball pressure setting completes with coordinating of spanner the dismounting that ball transmits backing plate jointly, whole disassembly process: suppress ball---rotating spanner for utilizing ball pressure setting, fast easy to operate, an operator can complete; In addition, because spanner is provided with at least one projection corresponding with the positioning port on guard ring, thus be convenient to drive guard ring, improve dismounting efficiency further.
Accompanying drawing explanation
Fig. 1 is the front view that ball transmits backing plate.
Fig. 2 is the side view that ball transmits backing plate.
Fig. 3 shows the top view of ball in Fig. 1.
Fig. 4 is the sectional view along A-A line in Fig. 1.
Fig. 5 is the schematic diagram of the maintenance tool of existing ball.
Fig. 6 is the schematic diagram of the ball pressure setting of the maintenance tool of ball of the present invention.
Fig. 6 A is the front view of the connecting portion of ball pressure setting.
Fig. 6 B is the front view of the second supporting leg of ball pressure setting.
Fig. 6 C is the side view of the second supporting leg of ball pressure setting.
Fig. 7 is the side view of the spanner of the maintenance tool of ball of the present invention.
Fig. 8 is the stereogram of the spanner of the maintenance tool of ball of the present invention.
Fig. 9 is the schematic diagram of the maintenance tool dismounting ball applying ball of the present invention.
Figure 10 shows the spanner of invention and the schematic diagram of guard ring corresponding relation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
As shown in Figure 6,7, the maintenance tool of ball of the present invention comprises ball pressure setting 40 and spanner 50.As shown in Figure 6, ball pressure setting 40 comprises 41, two, crossbeam and is connected to crossbeam 41 both ends for supporting the first supporting leg 42 and the second supporting leg 43 of described crossbeam, and is located at the elevating lever 44 relative to beam lifting on crossbeam 41.In the lump with reference to Fig. 6 B, Fig. 6 C, in the present embodiment, crossbeam 41 is a pair slide rail.First supporting leg 42 is fixedly arranged on one end of crossbeam 41, two the first symmetrical breach 431 are offered in the both sides of the second supporting leg 43, the height of the first breach 431 equals the height of crossbeam 41, thus be stuck on crossbeam 41 by the first breach 431, and can slide along crossbeam 41, thus the ball being applicable to different size transmits backing plate.Certainly, the second supporting leg 43 also can be fixing, as long as can support the structure of described crossbeam.Preferably, the other end of crossbeam 41 is closed by shrouding 45, prevents the second supporting leg 43 from skidding off from crossbeam 41.Preferably, the inside horizontal buckling in lower end of the first supporting leg 42 and the second supporting leg 43, forms holding section 421, in order to the downside of the upper plate or lower plate that are stuck in plate body 1, holding section 421 can be provided with the antifriction material such as such as rubber, prevent feature contacts surface wear.
As shown in Fig. 6,6A, ball pressure setting 40 also comprises connecting portion 46, two the second symmetrical breach 461 are offered in the both sides of connecting portion 46, the height of the second breach 461 equals the height of slide rail, second breach 461 is stuck on slide rail, connecting portion 46 is clamped between slide rail, and can slides on slide rail.Preferably, as fig. 6 c, be also welded with guiding projection 432 between two the first breach 431 of the second supporting leg 43, it prevents connecting portion 46 offset track in sliding process.Connecting portion 46 is offered screw 462.Lifting unit 44 comprises rotary handle 441 and elevating lever 442, and rotary handle 441 is fixedly connected on the upper end of elevating lever 442, and elevating lever 442 has external screw thread, and it is threaded with connecting portion 46, and by rotating rotary handle 441, elevating lever 442 is elevated.Certainly, the connected mode of connecting portion 46 and lifting unit 44, not as limit, such as, for being connected together, as long as lifting unit 44 can be made can be elevated relative to connecting portion 46, and can keep self-position.Preferably, the bottom of described elevating lever 44 is provided with press keeping section, and press keeping section has inner chamber, and cavity shape is identical with the shape of at least part of upper surface of ball, and be such as spherical calotte, spherical radius equals the radius of ball 2 upper surface.Therefore, ball pressure setting, by the combination of lifting unit and connecting portion, making lifting unit can keep self fixing when being elevated, pressing down all the time without the need to operator to nip drum pearl, and ball pressure setting can be stable by being pressed in ball, prevents from skidding with ball.
As shown in Figure 7,8, spanner 50 comprises driving end 51 and handle 52, and it is formed in one.Driving end 51 is for having the ring-type of opening and forming two pincers portions, and opening size is greater than the external diameter of elevating lever 442, and the internal diameter of annulus is slightly larger than the external diameter of ball 2.The surface of driving end 51 has at least one projection 511.When spanner 50 is placed on ball 2, its annulus is enclosed within ball 2 periphery, and cover on guard ring 3, protruding 511 are made to be positioned at one of them positioning port 35, turning handle 52 can make protruding 511 promotion guard rings 3 rotate, when guard ring 3 rotate align to its positioning convex point with recess 111 time, plate body 1 removes the constraint for guard ring 3.
Preferably, the quantity of protruding 511 is corresponding with position and positioning port.Usually, the quantity of positioning port is three, and for being uniformly distributed.Therefore, driving end 51 is provided with three corresponding projections 511, and one of them projection 511 is positioned on the center line of spanner 50, so that it aims at guard ring by user.Preferably, as shown in Figure 7, the grip portions that handle 52 has level and the sloping portion be connected with driving end 51, such as 40 °, the inclination angle of sloping portion, makes driving end 51 and grip portions have height difference H, is convenient to user and grips and rotary handle 52.In addition, recessed two depressed parts 512 in periphery of driving end 51, it is positioned near two other projection 511, plays positioning action, and concrete purposes will be described hereinafter.
Below the use of the maintenance tool at the ball to this case is described.
First, pull down fixed screw 16, then, as shown in Figure 8, first crossbeam 41 is arranged on ball and transmits backing plate, be specially: crossbeam 41 is alignd with the ball that need dismantle, adjust the second supporting leg 43, the first supporting leg 42 and the second supporting leg 43 is made to be clipped in the both sides of plate body 1, on the downside of the upper plate that holding section 421 is stuck in plate body 1 (also can be stuck in the downside of lower plate), connecting portion 46 and lifting unit 44 are slided on crossbeam 41, until the lower end of elevating lever 442 is pressed in the upper surface of the ball needing dismounting, rotating rotary handle 441 makes lifting unit 44 decline, offset the elastic force upwards that ball is subject to gradually.Further, because the rotary handle 441 pairs of balls transmit while backing plates apply downward active force, the holding section 421,421 pairs, holding section of both sides applies active force upwards, and the ball that is arranged on therefore making crossbeam 41 firm transmits on backing plate.After the elastic force that ball is subject to is cancelled, stop the rotation rotary handle 441, and rotary handle 441 is maintained at this position.Then operator makes the side with projection 511 of spanner 50 towards guard ring 3, and three projections 511 are aimed at the positioning port of three on guard ring 3 35, as shown in Figure 8.When the positioning convex point of rotary handle 52 to guard ring 3 aligns with recess 111, now plate body 1 removes the constraint for guard ring 3.Finally guard ring 3 can be levered up with hand or other existing simple tools, thus ball is pulled down.The installation of ball is contrary with above-mentioned action.
As shown in Figure 10, for ease of operation, the angle that the positioning port 35 on plate body 1 and the line at the center of spanner 50 are formed is 120 °.In the process of installing ball, after the installation that the positioning convex point of guard ring 3 is alignd with recess 111, guard ring 3 is rotated by spanner 50, until a positioning port 35 on guard ring 3 aligns with positioning port 35, namely guard ring 3 is now by rotation 60 ° (clockwise or counterclockwise), then fixed screw 16 is inserted positioning port 35.Now, three positioning ports 35 present position relationship in Fig. 9 with recess 111.When dismantling ball, first drawing a position line on the side of fixed screw 16, then fixed screw 16 is pulled down, rotate guard ring 3 (clockwise or counterclockwise) 60 ° by spanner 50, can ensure that the positioning convex point of guard ring 3 aligns substantially with recess 111.When ball is installed, with reverse operation spanner 50, guard ring 3 being reinstalled to ball transmits on backing plate, during the position line done before user can see through one of them depressed part 512 on spanner 50, illustrate now guard ring 3 roughly turn to dismounting before position, now, spanner 50 is left, can see that a positioning port 35 on guard ring 3 aligns with fixing hole 15, finally fixed screw 16 is fixed on fixing hole 15 and namely complete installation.Aforesaid operations is roughly 60 ° to the anglec of rotation of guard ring, and this angle is the angle that naked eyes can roughly be estimated, therefore, guard ring can disposablely be rotated in place by operator substantially, accelerates disassembly process.
In sum, the maintenance tool of ball of the present invention and the method utilizing its maintenance ball to transmit backing plate have the following advantages: ball pressure setting completes with coordinating of spanner the dismounting that ball transmits backing plate jointly, whole disassembly process: suppress ball---rotating spanner for utilizing ball pressure setting, fast easy to operate, an operator can complete; In addition, because spanner is provided with at least one projection corresponding with the positioning port on guard ring, thus be convenient to drive guard ring, improve dismounting efficiency further.
Although exemplary embodiment describe the present invention with reference to several, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Spirit or the essence of invention is not departed from because the present invention can specifically implement in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (6)
1. a ball transmits backing plate method for maintaining, it is characterized in that, it utilizes ball to transmit backing plate maintenance tool and keeps in repair, described ball transmits backing plate and comprises plate body, be installed on the spring in the hole of described plate body and ball, and be installed on the guard ring that plate body also can make described ball locate, described guard ring has at least two locating holes, described ball transmits backing plate maintenance tool and comprises for suppressing the ball pressure setting of described ball and the spanner for screwing described guard ring, described spanner comprises the driving end and handle that are connected, the surface of described driving end has at least two projections, described projection can enter in described locating hole at least in part,
Ball transmits backing plate method for maintaining and comprises the following steps:
(1) described ball is suppressed with described ball pressure setting, to remove the location of described guard ring for described ball;
(2) the compacting action for described ball is kept, at least two bossings on the surface of described driving end are stretched in the locating hole of described guard ring simultaneously, rotate described handle, until the positioning convex point of described guard ring aligns with the recess of described plate body, thus described plate body removes the constraint for described guard ring;
(3) plate body, spring, ball and/or the guard ring that need repairing is changed;
(4) after completing replacing, the positioning convex point of described guard ring is alignd with the recess of described plate body, described spring, ball and guard ring are assembled on described plate body;
(5) step (1) is performed; And
(6) the compacting action for described ball is kept, at least two bossings on the surface of described driving end are stretched in the locating hole of described guard ring simultaneously, rotate described handle, until the recess of the positioning convex point of described guard ring and described plate body does not line up, described plate body is made to retrain described guard ring.
2. ball as claimed in claim 1 transmits backing plate method for maintaining, it is characterized in that: described ball pressure setting comprises crossbeam, two are connected to described crossbeam both ends for supporting the first supporting leg and second supporting leg of described crossbeam, and the elevating lever be located at relative to described beam lifting on described crossbeam, the inside horizontal buckling in lower end of described first supporting leg and the second supporting leg, form the holding section of transmitting the plate body both sides of backing plate for being engaged to described ball, described first supporting leg is fixedly connected on an end of described crossbeam, described second supporting leg is connected to the other end of described crossbeam slidably, described crossbeam is a pair slide rail, two the first symmetrical breach are offered in the both sides of described second supporting leg, the height of described first breach equals the height of described slide rail, described first breach is stuck on described slide rail, the end of described second supporting leg of vicinity of described slide rail is closed by shrouding, guiding projection is also welded with between two the first breach of described second supporting leg, the two opposite sides of described guiding projection contact with the opposite flank of described pair of guide rails respectively and can slide along it, described step (1) also comprises: alignd with ball by described crossbeam, described second supporting leg is slided on described slide rail, and led by described guiding projection, by described shrouding backstop, described holding section is stuck on the downside of the upper plate of described plate body, described first supporting leg and the second supporting leg is made to be clipped in the both sides of described plate body.
3. ball as claimed in claim 2 transmits backing plate method for maintaining, it is characterized in that: in the middle part of described crossbeam, be provided with connecting portion, and described connecting portion is provided with screw, described elevating lever is screw rod, described connecting portion is connected to by threaded engagement, the upper end of described elevating lever is provided with rotary handle, described crossbeam is a pair slide rail, two the second symmetrical breach are offered in the both sides of described connecting portion, the height of described second breach equals the height of described slide rail, described second breach is stuck on described slide rail, described connecting portion is made to be clamped between described a pair slide rail, step (1) is also comprised being slided on described slide rail by described connecting portion and regulates the position of described ball pressure setting, align with the upper surface of described ball to make the lower end of described elevating lever, then described rotary handle is rotated, described lifting unit is declined and suppresses described ball, after the elastic force be upwards subject to when described ball is cancelled, stop the rotation described rotary handle.
4. ball as claimed in claim 2 transmits backing plate method for maintaining, it is characterized in that: described driving end and handle are formed in one, the grip portions that described handle has level and the sloping portion be connected with described driving end, described driving end and grip portions is made to have difference in height, in step (2), when the surface by described driving end at least two bossings stretch into described guard ring locating hole in time, the portion lower surface of driving end is pressed on described guard ring.
5. ball as claimed in claim 2 transmits backing plate method for maintaining, it is characterized in that: described driving end is that the ring-type with opening forms two pincers portions; Described projection is along the circumferential direction equally distributed three, one of them projection is positioned on the center line of described spanner, two other is located at described two pincers portions respectively, step (2) also comprises: clockwise or be rotated counterclockwise 60 degree, described handle, the positioning convex point of described guard ring is alignd with the recess of described plate body, step (6) also comprises: clockwise or be rotated counterclockwise 60 degree, described handle, and the recess of the positioning convex point of described guard ring and described plate body is not lined up.
6. ball as claimed in claim 2 transmits backing plate method for maintaining, it is characterized in that: described driving end is also provided with two depressed parts, it lays respectively at the periphery of contiguous two other projection described, the angle that the line at the center of described two depressed parts and described spanner is formed is 120 degree, before maintenance ball transmits backing plate, one fixed screw is inserted into one of them of three positioning ports evenly recessed in described guard ring outer rim, before step (1), first draw a position line on the side of described fixed screw, again described fixed screw is pulled down, step (6) also comprises: when user can see described position line through one of them depressed part on described spanner, illustrate now described guard ring turned to maintenance before position, finally fixed screw is inserted one of them of described positioning port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050285.5A CN103085025B (en) | 2013-02-08 | 2013-02-08 | Ball conveying base plate maintaining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050285.5A CN103085025B (en) | 2013-02-08 | 2013-02-08 | Ball conveying base plate maintaining method |
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| Publication Number | Publication Date |
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| CN103085025A CN103085025A (en) | 2013-05-08 |
| CN103085025B true CN103085025B (en) | 2015-05-06 |
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| CN201310050285.5A Expired - Fee Related CN103085025B (en) | 2013-02-08 | 2013-02-08 | Ball conveying base plate maintaining method |
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| CN103817630A (en) * | 2014-03-12 | 2014-05-28 | 无锡威孚马山油泵油嘴有限公司 | Steel ball distributing clamp for assembling oil returning valve holder |
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|---|---|---|---|---|
| CN2476393Y (en) * | 2001-04-11 | 2002-02-13 | 程漠贵 | Deformation two-jaw extractor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103085025A (en) | 2013-05-08 |
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