CN107598533A - Guide-pillar-free self-centering coaxial press-fitting clamp and using method thereof - Google Patents
Guide-pillar-free self-centering coaxial press-fitting clamp and using method thereof Download PDFInfo
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- CN107598533A CN107598533A CN201710957409.6A CN201710957409A CN107598533A CN 107598533 A CN107598533 A CN 107598533A CN 201710957409 A CN201710957409 A CN 201710957409A CN 107598533 A CN107598533 A CN 107598533A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 241001149930 Protura <class> Species 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention discloses a guide-pillar-free self-centering coaxial press-fitting clamp and a use method thereof, wherein the clamp comprises an elastic supporting mechanism, a pressure head and a base mechanism, wherein the pressure head is arranged at the top of the elastic supporting mechanism and is used for applying axial downward pressure to the elastic supporting mechanism; the pressure head is provided with the installation axle that is used for the suit bush, be provided with the dabber that is used for the suit idler gear on the elastic support mechanism, the bush can be impressed in the hole of idler gear rather than interference fit from top to bottom under the pressure effect of pressure head, the installation axle outer lane of pressure head is provided with the elastic mechanism who is used for applying radial pressure to the bush of suit on its outer lane. The invention has simple structure, short manufacturing period, convenient model changing, lower cost and good use safety, and can better ensure the processing requirement of products.
Description
Technical field
The present invention relates to pressing clamp, in particular to a kind of self-centering coaxial pressing clamp of non-guide and its application method.
Background technology
Include pressing bushing process in the manufacturing procedure of the idle gear assembly with bushing, the process is that bushing is pressed into gear
Endoporus, procedure calls ensure that bushing and bore are concentric and are pressed depth, it is necessary to be completed on hydraulic press, in order to ensure
Centering, frequently with the mode with guide pillar.As Chinese patent CN201619071 discloses a kind of bush press-fit mounter, including one
The pull bar of individual insertion bushing, both ends are formed respectively with the be spirally connected thread head of force nut and the polygon driving end of convenient force, drawn
It is provided with annular groove in the middle part of bar, equipped with the U-shaped opening briquetting for pushing down bushing on annular groove, the U-shaped opening briquetting and pull bar both ends
Driving end is combined into force nut and screws pressing structure.But this bushing press-mounting device belongs to manual operations, it is pressed depth
It is difficult to control with the size of pressure assembling force, easily causes the damage of part.Moreover, it is complicated, manufacture difficulty is high, the manufacturing cycle is long,
Production cost is big, it is necessary to be adjusted to fixture when product is remodeled, influences production efficiency.
The content of the invention
Present invention aim to solve the deficiency of above-mentioned background technology, there is provided one kind is simple in construction, the manufacturing cycle is short,
The self-centering coaxial pressing clamp of non-guide that production cost is low, operating efficiency is high, also provide a kind of non-guide simple to operate certainly
Feel relieved the application method of coaxial pressing clamp.
To achieve the above object, the self-centering coaxial pressing clamp of non-guide designed by the present invention, including resilient support machine
Structure, the top of elastic supporting mechanism is arranged on for applying the axially downwardly pressure head of pressure to it and for installing elastic branch
The base mechanism of support mechanism；The pressure head is provided with the installation axle for being set with bushing, is provided with the elastic supporting mechanism
For being set with the mandrel of idle gear, the bushing can be from top to bottom pressed into the endoporus of idle gear under the pressure effect of pressure head with
It is interference fitted, and the installation axle outer ring of the pressure head is provided with for applying radial pressure to the bushing being sleeved on its outer ring
Elastic mechanism.
Further, the base mechanism includes lower bottom base and is fixedly installed on above lower bottom base and has center ladder
The upper bed-plate in hole；The elastic supporting mechanism includes being located in what can axially be slided up and down along it in the central stepped of upper bed-plate
Mandrel and the interior floating engine for being used to apply the bottom of mandrel restoring force axially upwards of central stepped for being arranged on upper bed-plate
Structure；Concave cone hole is provided with the top of the mandrel, the bottom of the pressure head is provided with the positioning conehead to match with concave cone hole shape.
Further, the central stepped include be successively set on from top to bottom upper bed-plate inner chamber the first rank through hole,
Second-order through hole and the 3rd rank through hole, the mandrel are located in the first rank through hole and can slided up and down along its inwall.
Further, the relocation mechanism includes screw rod and the spring being set on screw rod, and the end of the screw rod is under
The supreme bottom face for sequentially passing through lower bottom base, which upwardly extends, to be penetrated the bottom of mandrel through central stepped and is secured to connect, and
Screw rod can move up and down along the axial direction of central stepped together under the drive of mandrel；The bottom of the spring and second-order through hole
Lower surface abut, the upper surface of holding tank of the top of the spring with being arranged on mandrel bottom abuts.
Further, concave cone hole is provided with the top of the mandrel, the bottom of the pressure head is provided with and concave cone hole shape phase
The positioning conehead of matching.
Further, the outer ring of the pressure head is provided with for applying radial pressure to the bushing being sleeved on its outer ring
Elastic mechanism, the outer ring of the pressure head are additionally provided with the radial direction accommodating chamber for accommodating elastic mechanism.
Further, the elastic mechanism include the steel ball that is abutted against with the bushing being sleeved on pressure head outer ring and for
Steel ball applies the stage clip of radial pressure, and one end of the stage clip is fixedly connected with steel ball, the other end and the inwall of radial direction accommodating chamber
It is fixedly connected.
Yet further, the upper bed-plate includes locating piece, the first boss being arranged on below locating piece, is arranged on positioning
Second boss above block, it is provided with the center of the lower bottom base for the center mounting hole for first boss insertion installation.
Further, it is fixedly connected between the locating piece and lower bottom base by screw.
The present invention also provides a kind of application method of the self-centering coaxial pressing clamp of non-guide, comprises the following steps：
1) idle gear being sleeved on mandrel, the endoporus of the outer ring of mandrel and idle gear forms gap and coordinated, then by bushing
The bottom of pressure head is sleeved on, the elastic mechanism of pressure head outer ring applies the endoporus that pressure props up bushing；
2) press device is started, pressure head drives bushing to be pressed into from top to bottom in the endoporus of idle gear, 1~5min of pressurize, so
Pressure head moves off-load upwards afterwards, and bushing is stayed in the endoporus of idle gear, and mandrel is extensive under the restoring force effect that relocation mechanism applies
Restore position.
Compared with prior art, advantages of the present invention is as follows：
It is engaged first, the present invention is designed with pressure head with relocation mechanism, bushing is arranged on the outer ring of pressure head, idle gear installation
In the top end face of second boss, when applying axially downwardly pressure by pressure head, pressure head drives bushing to be pressed into idle gear from top to bottom
Endoporus in, the press fitting of bushing is completed in pressurize, while relocation mechanism applies restoring force axially upwards to mandrel so that mandrel
Reset, apparatus structure is simple, the manufacturing cycle is short, production cost is low, operating efficiency is high.
Second, being provided with concave cone hole at the top of the mandrel of the present invention, the bottom of pressure head is provided with to match with concave cone hole shape
Positioning conehead, positioning conehead insertion can form cone match in concave cone hole, so as to ensure that the self-centering same of upper and lower part
Axle is installed, and dismounting is remodeled conveniently.
Third, elastic mechanism is provided with the pressure head of the present invention, the steel ball of elastic mechanism and the bushing endoporus shape that need to be pressed
A slight interference fit is contacted into, at the same it is coaxial with the tapered portion of pressure head, so as to ensure that press fitting height.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the self-centering coaxial pressing clamp of non-guide；
Fig. 2 is the mplifying structure schematic diagram of upper bed-plate in Fig. 1；
Fig. 3 is the structure for amplifying signal of elastic mechanism in Fig. 1.
Wherein：1- lower bottom bases, 2- upper bed-plates, 2.1- central steppeds, the first ranks of 2.11- through hole, 2.12- second-orders lead to
Hole, the rank through holes of 2.13- the 3rd, 2.2- locating pieces, 2.3- first boss, 2.4- second boss, 3- mandrels, 3.1- holding tanks,
3.2- concave cones hole, 4- pressure heads, 4.1- positioning conehead, 4.2- installation axles, 4.3- radial directions accommodating chamber, 5- relocation mechanisms, 5.1- screw rods,
5.2- springs, 6- elastic mechanisms, 6.1- steel balls, 6.2- stage clips, 7- screws, 8- bushings, 9- idle gears, 10- elastic supporting mechanisms,
11- base mechanisms.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
The self-centering coaxial pressing clamp of non-guide as shown in Figure 1, including elastic supporting mechanism 10, it is arranged on elastic branch
The top of support mechanism 10 is used for the pressure head 4 for applying axially downwardly pressure to it and the bottom for installing elastic supporting mechanism 10
Seat mechanism 11；Pressure head 4 is provided with the installation axle 4.2 for being set with bushing 8, is provided with elastic supporting mechanism 10 lazy for being set with
The mandrel 3 of gear 9, bushing 8 can be from top to bottom pressed into the endoporus of idle gear 9 under the pressure effect of pressure head 4 matches somebody with somebody with its interference
Close, the outer ring of installation axle 4.2 of pressure head 4 is provided with the elastic machine for applying radial pressure to the bushing 8 being sleeved on its outer ring
Structure 6.
Base mechanism 11 includes lower bottom base 1 and is fixedly installed on the top of lower bottom base 1 and has the upper of central stepped 2.1
Base 2；Elastic supporting mechanism 10 includes being located in the core that can axially slide up and down along it in the central stepped 2.1 of upper bed-plate 2
Axle 3 and the interior floating for being used to apply the bottom of mandrel 3 restoring force axially upwards of central stepped 2.1 for being arranged on upper bed-plate 2
Mechanism 5；The top of mandrel 3 is provided with concave cone hole 3.2, and the bottom of pressure head 4 is provided with the locating cone to match with the shape of concave cone hole 3.2
First 4.1.
Central stepped 2.1 includes being successively set on the first rank through hole 2.11, the second-order of the inner chamber of upper bed-plate 2 from top to bottom
The rank through hole 2.13 of through hole 2.12 and the 3rd, mandrel 3 are located in the first rank through hole 2.11 and can slided up and down along its inwall.Float
Mechanism 5 includes screw rod 5.1 and the spring 5.2 being set on screw rod 5.1, and the end of screw rod 5.1 sequentially passes through bottom from bottom to up
The bottom face of seat 1, which upwardly extends, to be penetrated the bottom of mandrel 3 through central stepped 2.1 and is secured to connect, and screw rod 5.1 can be
Axial direction under the drive of mandrel 3 together along central stepped 2.1 moves up and down；The bottom of spring 5.2 and second-order through hole 2.12
Lower surface abut, the upper surface of holding tank 3.1 of the top of spring 5.2 with being arranged on the bottom of mandrel 3 abuts.The top of mandrel 3
Concave cone hole 3.2 is provided with, the bottom of pressure head 4 is provided with the positioning conehead 4.1 to match with the shape of concave cone hole 3.2.Position conehead
4.1 can be embedded in formation cone match in concave cone hole 3.2, so as to ensure that the self-centering of upper and lower part is co-axially mounted, and dismantle
Remodel conveniently.
As shown in Fig. 2 base 2 includes locating piece 2.2, the first boss 2.3 for being arranged on the lower section of locating piece 2.2, is arranged on
The second boss 2.4 of the top of locating piece 2.2, it is provided with for in the insertion installation of first boss 2.3 at the center of lower bottom base 1
Heart mounting hole 1.1, it is fixedly connected between locating piece 2.2 and lower bottom base 1 by screw 7.
As shown in figure 3, the outer ring of pressure head 4 is provided with for applying radial pressure to the bushing 8 being sleeved on its outer ring
Elastic mechanism 6, the outer ring of pressure head 4 are additionally provided with the radial direction accommodating chamber 4.3 for accommodating elastic mechanism 6.Elastic mechanism 6 include with
The steel ball 6.1 that the bushing being sleeved on the outer ring of pressure head 4 abuts against and the stage clip 6.2 for applying radial pressure to steel ball 6.1, pressure
One end of spring 6.2 is fixedly connected with steel ball 6.1, and the other end is fixedly connected with the inwall of radial direction accommodating chamber 4.3.
The application method of the present invention：First idle gear 9 is sleeved on mandrel 3, and the bottom face of idle gear 9 and base 2
The top end face fitting positioning of second boss 2.4, the outer ring of mandrel 3 forms slight clearance with the endoporus of idle gear 9 and coordinated, with mandrel
3 position the endoporus of idle gears 9, then bushing 8 is sleeved on to the bottom of pressure head 4, and steel ball 6.1 props up lining in the presence of stage clip 6.2
The endoporus of set 8, ensure that bushing 8 does not drop from pressure head 4.
After installing bushing 8 and idle gear 9, starting device, bushing 8 is driven to be pressed into idle gear 9 from top to bottom pressure head 4
Endoporus in, 1~5min of pressurize, then pressure head 4 move off-load upwards, because the endoporus of bushing 8 and idle gear 9 is that interference is matched somebody with somebody
Close, the endoporus of steel ball 6.1 and bushing 8 is resilient engagement, so bushing 8 is stayed in the endoporus of idle gear 9, mandrel 3 is in floating engine
Set back under the restoring force effect that structure 5 applies.
The present invention it is simple in construction, the manufacturing cycle is short, remodel conveniently, cost is relatively low, safety in utilization is good, can preferably protect
Product processing requirement is demonstrate,proved.
The foregoing is only a specific embodiment of the invention, it is noted that any those skilled in the art exist
In disclosed technical scope, the change or replacement that can readily occur in, should all cover protection scope of the present invention it
It is interior.
Claims (9)
- A kind of 1. self-centering coaxial pressing clamp of non-guide, it is characterised in that：Including elastic supporting mechanism (10), it is arranged on elasticity The top of supporting mechanism (10) is used to apply it pressure head (4) of axially downwardly pressure and for installing elastic supporting mechanism (10) base mechanism (11)；The installation axle (4.2) for being set with bushing (8), the elasticity branch are provided with the pressure head (4) The mandrel (3) for being set with idle gear (9) is provided with support mechanism (10), the bushing (8) can act in the pressure of pressure head (4) Under be from top to bottom pressed into the endoporus of idle gear (9) and be interference fitted with it, installation axle (4.2) outer ring of the pressure head (4) is set There is the elastic mechanism (6) for applying radial pressure to the bushing (8) being sleeved on its outer ring.
- 2. the self-centering coaxial pressing clamp of non-guide according to claim 1, it is characterised in that：The base mechanism (11) Including lower bottom base (1) and it is fixedly installed on above lower bottom base (1) and the upper bed-plate (2) with central stepped (2.1)；It is described Elastic supporting mechanism (10) includes being located in the core that can axially slide up and down along it in the central stepped (2.1) of upper bed-plate (2) Axle (3) and it is arranged on to be used to apply the bottom of mandrel (3) in the central steppeds (2.1) of upper bed-plate (2) and replys axially upwards The relocation mechanism (5) of power；Be provided with concave cone hole (3.2) at the top of the mandrel (3), the bottom of the pressure head (4) be provided with it is recessed The positioning conehead (4.1) that taper hole (3.2) shape matches.
- 3. the self-centering coaxial pressing clamp of non-guide according to claim 2, it is characterised in that：The central stepped (2.1) include being successively set on from top to bottom the first rank through hole (2.11) of upper bed-plate (2) inner chamber, second-order through hole (2.12) and 3rd rank through hole (2.13), the mandrel (3) are located in the first rank through hole (2.11) and can slided up and down along its inwall.
- 4. the self-centering coaxial pressing clamp of non-guide according to claim 3, it is characterised in that：The relocation mechanism (5) Including screw rod (5.1) and the spring (5.2) being set on screw rod (5.1), the end of the screw rod (5.1) is worn successively from bottom to up The bottom face for crossing lower bottom base (1) upwardly extends and the bottom of mandrel (3) is penetrated through central stepped (2.1) is secured to connect, And screw rod (5.1) can be under the drive of mandrel (3) together along the axial direction up and down motion of central stepped (2.1)；The spring (5.2) bottom abuts with the lower surface of second-order through hole (2.12), and the top of the spring (5.2) is with being arranged on mandrel (3) The upper surface of the holding tank (3.1) of bottom abuts.
- 5. the self-centering coaxial pressing clamp of non-guide according to claim 1 or 2 or 3 or 4, it is characterised in that：The pressure The outer ring of head (4) is provided with the radial direction accommodating chamber (4.3) for accommodating elastic mechanism (6).
- 6. the self-centering coaxial pressing clamp of non-guide according to claim 5, it is characterised in that：The elastic mechanism (6) The steel ball (6.1) that is abutted against including the bushing with being sleeved on pressure head (4) outer ring and for applying radial pressure to steel ball (6.1) Stage clip (6.2), one end of the stage clip (6.2) is fixedly connected with steel ball (6.1), the other end and radial direction accommodating chamber (4.3) Inwall is fixedly connected.
- 7. the self-centering coaxial pressing clamp of non-guide according to Claims 2 or 3 or 4, it is characterised in that：The upper bed-plate (2) include locating piece (2.2), the first boss (2.3) being arranged on below locating piece (2.2), be arranged on above locating piece (2.2) Second boss (2.4), be provided with the center of the lower bottom base (1) for the center for the embedded installation of first boss (2.3) Mounting hole (1.1).
- 8. the self-centering coaxial pressing clamp of non-guide according to claim 7, it is characterised in that：The locating piece (2.2) It is fixedly connected between lower bottom base (1) by screw (7).
- 9. the application method of the self-centering coaxial pressing clamp of a kind of non-guide, it is characterised in that comprise the following steps：1) idle gear (9) being sleeved on mandrel (3), the outer ring of mandrel (3) forms gap with the endoporus of idle gear (9) and coordinated, Bushing (8) is sleeved on to the bottom of pressure head (4) again, the elastic mechanism (6) of pressure head (4) outer ring applies pressure and props up bushing (8) Endoporus；2) press device is started, pressure head (4) drives bushing (8) to be pressed into from top to bottom in the endoporus of idle gear (9), pressurize 1~ 5min, then pressure head (4) move off-load upwards, bushing (8) is stayed in the endoporus of idle gear (9), and mandrel (3) is in relocation mechanism (5) set back under the restoring force effect applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957409.6A CN107598533A (en) | 2017-10-16 | 2017-10-16 | Guide-pillar-free self-centering coaxial press-fitting clamp and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957409.6A CN107598533A (en) | 2017-10-16 | 2017-10-16 | Guide-pillar-free self-centering coaxial press-fitting clamp and using method thereof |
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| Publication Number | Publication Date |
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| CN107598533A true CN107598533A (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957409.6A Pending CN107598533A (en) | 2017-10-16 | 2017-10-16 | Guide-pillar-free self-centering coaxial press-fitting clamp and using method thereof |
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| CN (1) | CN107598533A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637954A (en) * | 2018-07-28 | 2018-10-12 | 浙江理工大学瓯海研究院有限公司 | Fixture for water piston frame component assembly equipment |
| CN110480308A (en) * | 2019-09-20 | 2019-11-22 | 重庆长兴工业有限公司 | Gear press mounting copper sheathing tooling |
| CN111421500A (en) * | 2020-05-07 | 2020-07-17 | 江苏国茂减速机股份有限公司 | Speed reducer input end assembling tool and concentric assembling method |
| CN112440093A (en) * | 2020-11-13 | 2021-03-05 | 张家港市双隆无油滑动轴承有限公司 | Press mounting process for opening bushing |
| CN113732979A (en) * | 2021-09-22 | 2021-12-03 | 秦皇岛方华埃西姆机械有限公司 | Be used for assembling coaxial positioner of pipe part |
| CN113814932A (en) * | 2021-08-27 | 2021-12-21 | 青岛建邦供应链股份有限公司 | Coupler assembling tool and assembling method thereof |
| CN113984267A (en) * | 2021-11-04 | 2022-01-28 | 中车长春轨道客车股份有限公司 | Bushing assembly self-detection device and detection method thereof |
| CN114290026A (en) * | 2021-12-13 | 2022-04-08 | 贵州航锐航空精密零部件制造有限公司 | Combined part riveting tool and using method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637954A (en) * | 2018-07-28 | 2018-10-12 | 浙江理工大学瓯海研究院有限公司 | Fixture for water piston frame component assembly equipment |
| CN108637954B (en) * | 2018-07-28 | 2023-11-24 | 浙江理工大学瓯海研究院有限公司 | Clamp for assembly equipment of water pump piston frame assembly |
| CN110480308A (en) * | 2019-09-20 | 2019-11-22 | 重庆长兴工业有限公司 | Gear press mounting copper sheathing tooling |
| CN111421500B (en) * | 2020-05-07 | 2023-10-13 | 江苏国茂减速机股份有限公司 | Assembling tool and concentric assembling method for input end of speed reducer |
| CN111421500A (en) * | 2020-05-07 | 2020-07-17 | 江苏国茂减速机股份有限公司 | Speed reducer input end assembling tool and concentric assembling method |
| CN112440093A (en) * | 2020-11-13 | 2021-03-05 | 张家港市双隆无油滑动轴承有限公司 | Press mounting process for opening bushing |
| CN113814932A (en) * | 2021-08-27 | 2021-12-21 | 青岛建邦供应链股份有限公司 | Coupler assembling tool and assembling method thereof |
| CN113814932B (en) * | 2021-08-27 | 2024-01-23 | 青岛建邦汽车科技股份有限公司 | Coupler assembly tool and assembly method thereof |
| CN113732979A (en) * | 2021-09-22 | 2021-12-03 | 秦皇岛方华埃西姆机械有限公司 | Be used for assembling coaxial positioner of pipe part |
| CN113984267A (en) * | 2021-11-04 | 2022-01-28 | 中车长春轨道客车股份有限公司 | Bushing assembly self-detection device and detection method thereof |
| CN113984267B (en) * | 2021-11-04 | 2024-01-30 | 中车长春轨道客车股份有限公司 | Bush assembly self-detection device and detection method thereof |
| CN114290026A (en) * | 2021-12-13 | 2022-04-08 | 贵州航锐航空精密零部件制造有限公司 | Combined part riveting tool and using method thereof |
| CN114290026B (en) * | 2021-12-13 | 2024-06-25 | 贵州航锐航空精密零部件制造有限公司 | Combined part riveting tool and use method thereof |
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