CN104265701A - Elastic energy-storing drawing bar - Google Patents
Elastic energy-storing drawing bar Download PDFInfo
- Publication number
- CN104265701A CN104265701A CN201410471241.4A CN201410471241A CN104265701A CN 104265701 A CN104265701 A CN 104265701A CN 201410471241 A CN201410471241 A CN 201410471241A CN 104265701 A CN104265701 A CN 104265701A
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- CN
- China
- Prior art keywords
- gas
- piston
- mixed media
- liquid mixed
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Launching or towing gear
- B64F1/10—Launching or towing gear using self-propelled vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention relates to the field of drawing bars, and specifically relates to an elastic energy-storing drawing bar. The elastic energy-storing drawing bar comprises a connecting pipe which connects a first piston cylinder with a second piston cylinder; a first gas-liquid mixing medium is contained in a rod port of the first cylinder body, and while a second gas-liquid mixing medium is contained in a head port of the first cylinder body; a third gas-liquid mixing medium is arranged in the rod port of the second piston cylinder, and while a fourth gas-liquid mixing medium is contained in the head port of the second cylinder body. According to the elastic energy-storing drawing bar, a gas-liquid mixture is poured into an oil cylinder, so that the rigid force in drawing is converted into flexible force of the gas liquid in the oil cylinder, and the drawing is effectively buffered to avoid the phenomenon that a device and a mechanism are damaged due to impacting during drawing; in addition, objects of different weights can be drawn by adjusting the mixing ratio of gas and liquid in the oil cylinder, and therefore, the applicability is improved, and the popularization value is high.
Description
Technical field
The present invention relates to draw-bar field, refer to a kind of spring energy storage draw-bar particularly.
Background technique
Vehicle, aircraft and boats and ships are in the process of operation; often can run into the operating mode needing traction; and in the process of traction; because the mode of traction used at present mostly is rigid tow bar or rope traction; make often there will be rigid impulse in towage and easily rear-end collision occur; even can damage draw hook, second accident occurs.
Summary of the invention
Object of the present invention is exactly the deficiency that will solve above-mentioned background technology, provides a kind of spring energy storage draw-bar integrating rigidity traction and soft traction advantage.
Technological scheme of the present invention is: a kind of spring energy storage draw-bar, comprises connecting tube, it is characterized in that: described connecting tube one end connects first piston cylinder, and the other end of connecting tube connects the second piston cylinder; First piston cylinder, connecting tube and the second piston cylinder are coaxially arranged; First piston cylinder comprises the first cylinder body, establishes first piston in the first cylinder body, and first piston connects first piston bar, and first piston bar passes the first cylinder body and seals with it; Airtight first gas-liquid mixed media in the rod chamber of the first cylinder body, airtight second gas-liquid mixed media in the rodless cavity of the first cylinder body; Second piston cylinder comprises the second cylinder body, establishes the second piston in the second cylinder body, and the second piston connects the second piston rod, and the second piston rod passes the second cylinder body and seals with it; Airtight 3rd gas-liquid mixed media in the rod chamber of the second cylinder body, airtight 4th gas-liquid mixed media in the rodless cavity of the second cylinder body.
Further when natural balanced state, the first gas-liquid mixed media volume is less than the second gas-liquid mixed media volume,
Further when natural balanced state, the gas volume in the first described gas-liquid mixed media is less than its liquid volume, and the gas volume in the second gas-liquid mixed media is greater than its liquid volume.
In the first further described gas-liquid mixed media, liquid volume accounts for 55% ~ 95% of the first gas-liquid mixed media total volume; The liquid volume of the second gas-liquid mixed media accounts for 5% ~ 35% of the second gas-liquid mixed media total volume.
The second further described cylinder body is when natural balanced state, and the volume of the 3rd gas-liquid mixed media is greater than the volume of the 4th gas-liquid mixed media,
Further when natural balanced state, the gas volume in the 3rd described gas-liquid mixed media is greater than its liquid volume, and the gas volume in the 4th gas-liquid mixed media is less than its liquid volume.
In the 3rd further described gas-liquid mixed media, liquid volume accounts for 5% ~ 35% of the 3rd gas-liquid mixed media total volume; The liquid volume of the 4th gas-liquid mixed media accounts for 55% ~ 95% of the 4th gas-liquid mixed media total volume.
Further described first piston cylinder comprises the first end cap being arranged at connecting tube end and the first cylinder cap be fixed in the middle part of connecting tube; Described first piston is between the first end cap and the first cylinder cap; Described first piston bar also seals with it through the first end cap; The second described piston cylinder comprises the second end cap being arranged at connecting tube end and the second cylinder cap be fixed in the middle part of connecting tube; The second described piston is between the second end cap and the second cylinder cap; Second piston rod passes the second end cap and seals with it.
Further described first end covers the first injection orifice being provided with gas injection fluid injection in the rod chamber of the first cylinder body; The second described end cap is provided with the 3rd injection orifice of gas injection fluid injection in the rod chamber of the second cylinder body; The first described injection orifice and the 3rd injection orifice are equipped with sealing plug.
Connecting tube between further described first piston and the first cylinder cap is provided with the second injection orifice of gas injection fluid injection in the rodless cavity of the first cylinder body; Connecting tube between the second described piston and the second cylinder cap is provided with the 4th injection orifice of gas injection fluid injection in the rodless cavity of the second cylinder body; The second described injection orifice and the 4th injection orifice are equipped with sealing plug.
The present invention, by injecting gas-liquid mixture in oil cylinder, makes the rigidity power in distraction procedure become the flexible force of gas liquid in oil cylinder, effectively produces buffer function to traction, avoids in distraction procedure and occurs that collision causes the phenomenon of equipment, mechanical failure.By adjusting to in-oil cylinder gas-liquid mixed ratio the traction realizing Different Weight object, can also there is good adaptability, have larger promotional value in addition.
Accompanying drawing explanation
Fig. 1: sectional drawing of the present invention;
Fig. 2: front view of the present invention:
Fig. 3: the first end cap structural drawing of the present invention:
Fig. 4: the second end cover structure figure of the present invention:
Wherein: 1-connecting tube; 2-first piston cylinder; 3-first piston; 4-first piston bar; 5-the first cylinder body; 6-the first gas-liquid mixed media; 7-the second gas-liquid mixed media; 8-the second piston cylinder; 9-the second piston; 10-the second piston rod; 11-the four gas-liquid mixed media; 12-the three gas-liquid mixed media; 13-the second cylinder body; 14-the first cylinder cap; 15-the first end cap; 16-the first injection orifice; 17-the second injection orifice; 18-the second cylinder cap; 19-the second end cap; 20-the three injection orifice; 21-the four injection orifice; 22-sealing plug; 23-lightening hole; 24-the first through hole; 25-the second through hole.
Embodiment
A spring energy storage draw-bar as shown in figures 1-4, comprises connecting tube 1, and connecting tube 1 left end is provided with first piston cylinder 2, and right-hand member is provided with the second piston cylinder 8.
First piston cylinder 2 comprises the first cylinder body 5, first cylinder body 5 comprises the first end cap 15 being arranged at connecting tube 1 end and the first cylinder cap 14 be fixed in the middle part of connecting tube, first piston 3 is between the first end cap 15 and the first cylinder cap 14, and first piston bar 4 also seals with it through the first end cap 15.First end cap 15 is tightly connected with connecting tube 1 and prevents gas-liquid mixture from overflowing from joint, ensures there is enough pressure in oil cylinder, can ensure like this to absorb buffering energy in distraction procedure.
As shown in Figure 3, first end cap 15 is provided with the first through hole 24 that first piston bar 4 passes and the first injection orifice 16 toward gas injection fluid injection in connecting tube 1, first piston bar 4 right-hand member is connected with the first end cap 15 slipper seal through the first through hole 24, and the first injection orifice 16 is provided with sealing plug 22.The left end of first piston bar 4 connects pulling equipment.First injection orifice 16 is to gas injection fluid injection in the first cylinder body 5, and the ratio in the rod chamber that can be regulated the first cylinder body 5 by the first injection orifice 16 between gas-liquid mixture, can adjust the buffering energy of the first cylinder body 5 rod chamber by the conversion of gas-liquid mixture ratio.
The second injection orifice 17, second injection orifice 17 connecting tube 1 between first end cap 15, first cylinder cap 14 being provided with gas injection fluid injection in the rodless cavity of the first cylinder body 5 is provided with sealing plug 22.Second injection orifice 17 mainly to the rodless cavity gas injection fluid injection of the first cylinder body 5, can ensure when first piston 3 is subject to thrust like this, have good buffer function between first piston 3 and the first cylinder cap 14.
First piston 3 is arranged on the right-hand member of first piston bar 4, connecting tube 1 inwall slipper seal between first piston 3 with the first cylinder cap 14, first end cap 15 is connected, the second gas-liquid mixed media 7 is provided with in the rodless cavity being provided with the first gas-liquid mixed media 6, first cylinder body 5 in the rod chamber of the first cylinder body 5.The gas of filling is nitrogen, and can effectively prevent connecting tube 1 internal ratio from occurring the phenomenon of oxidation like this, and the gas of injection is pressurized air, pressurized gas physical efficiency effectively absorbs and more cushions energy.
Connecting tube 1 right-hand member is provided with in the second cylinder body 13, second cylinder body 13 with the first cylinder body 5 symmetry to be established the second piston 9, second piston 9 to connect the second piston rod 10, second piston rod 10 to pass the second cylinder body 13 sealing with it; In the rod chamber of the second cylinder body 13 airtight 3rd gas-liquid mixed media 12, second cylinder body 13 rodless cavity in airtight 4th gas-liquid mixed media 11.
Second cylinder body 13 structure is identical with the first cylinder body 5 structure, second piston cylinder 8 comprises the second end cap 19 being arranged at connecting tube 1 end and the second cylinder cap 18 be fixed in the middle part of connecting tube 1, second piston 9 is between the second end cap 19 and the second cylinder cap 18, and the second piston rod 10 passes the second end cap 19 and seals with it.
As shown in Figure 4, second end cap 19 is provided with the second through hole 25 that the second piston rod 10 passes and the 3rd injection orifice 20 toward gas injection fluid injection in connecting tube 1, second piston rod 10 right-hand member is connected with the second end cap 19 slipper seal through the second through hole 25, and the 3rd injection orifice 20 is provided with sealing plug 22.
Connecting tube 1 between second piston 9 and the second cylinder cap 18 is provided with on the 4th injection orifice the 21, three injection orifice 20 of gas injection fluid injection in the rodless cavity of the second cylinder body 13 and the 4th injection orifice 21 and is equipped with sealing plug 22.
In order to more effective use draw-bar, first cylinder body 5 Main Function is the buffering energy increasing draw-bar when first piston bar 4 receives thrust, when natural balanced state (described natural balanced state refers to that the two ends of draw-bar do not connect pulling equipment and traction thing), first gas-liquid mixed media 6 is less than the volume of the second gas-liquid mixed media 7, and arranging like this is to have longer buffer distance when first piston bar 4 is subject to thrust.
The gas volume of the first gas-liquid mixed media 6 is less than liquid volume, the gas volume of the second gas-liquid mixed media 7 is greater than liquid volume, wherein, in first gas-liquid mixed media 6, liquid volume accounts for 55% ~ 95% of the first gas-liquid mixed media 6 total volume, and a kind of preferred scheme is that liquid volume accounts for 75% ~ 85% of the first gas-liquid mixed media 6 total volume; The liquid volume of the second gas-liquid mixed media 7 accounts for 5% ~ 35% of the second gas-liquid mixed media 7 total volume, and a kind of preferred scheme is that liquid volume accounts for 15% ~ 25% of the first gas-liquid mixed media 6 total volume.Such design has longer buffer distance when being and making first piston bar 4 be subject to thrust on the one hand, is can absorb more to cushion energy on the other hand.
The Main Function of the second cylinder body 13 is the buffering energy increasing draw-bar when the second piston rod 10 receives pulling force.In order to better realize this function, when natural balanced state (described natural balanced state refers to that the two ends of draw-bar do not connect pulling equipment and traction thing), the volume of the 3rd gas-liquid mixed media 11 is greater than the volume of the 4th gas-liquid mixed media 12, and arranging like this is to have longer buffer distance when the second piston rod 10 under tension effect.
The gas volume of the 3rd gas-liquid mixed media 12 is greater than liquid volume, the gas volume of the 4th gas-liquid mixed media 11 is less than liquid volume, wherein, in 3rd gas-liquid mixed media 12, liquid volume accounts for 5% ~ 35% of the 3rd gas-liquid mixed media 12 total volume, and a kind of preferred scheme is that liquid volume accounts for 15% ~ 25% of the 3rd gas-liquid mixed media 12 total volume; The liquid volume of the 4th gas-liquid mixed media 11 accounts for 55% ~ 95% of the 4th gas-liquid mixed media 11 total volume, and a kind of preferred scheme is that liquid volume accounts for 75% ~ 85% of the 4th gas-liquid mixed media 11 total volume.Such design has longer buffer distance when being and making the second piston rod 10 under tension effect on the one hand, is can absorb more to cushion energy on the other hand.
In addition in order to alleviate the weight of connecting tube 1, making it more easily carry, install and use, the connecting tube 1 between the first cylinder body 5 and the second cylinder body 13 is provided with multiple lightening hole 15.
The two or more using forestland such as single pole direct-connected and two bar triangle joints are had during use.First kind of way: first piston bar 4 is connected with pulling equipment by draw ring, second piston rod 10 by draw ring be pulled thing and be connected, pulling equipment produces pulling force left, first piston bar 4 drives first piston 3 to move to the left, the first gas-liquid mixed media 6 in first cylinder body 5 is compressed, second gas-liquid mixed media 7 is stretched, 3rd gas-liquid mixed media 12 of the second cylinder body 13 is compressed, 4th gas-liquid mixed media 11 is stretched, when pulling force reaches certain value, pulling force is delivered on the second piston rod 10 by connecting tube 1, thus pulls and be pulled thing.
After the traction of traction thing puts in place, pulling equipment stops, but traction thing is because effect of inertia can advance to the left, second piston rod 10 is had an effect, and promotion second piston 9 moves stretching the 3rd gas-liquid mixed media 12 to the left, compression the 4th gas-liquid mixed media 11 produces buffer function, inertial force transmits to the left simultaneously, stretch the first gas-liquid mixed media 6, compress the second gas-liquid mixed media 7 and produce buffer function, avoid pulling equipment, traction thing and draw-bar between rigid collision, complete whole distraction procedure.
Second way working principle is consistent with the first, and three-support form can prevent sideslip.
The present invention, by injecting gas-liquid mixture in oil cylinder, makes the rigidity power in distraction procedure become the flexible force of gas liquid in oil cylinder, effectively produces buffer function to traction, avoids in distraction procedure and occurs that collision causes the phenomenon of equipment, mechanical failure.By adjusting to in-oil cylinder gas-liquid mixed ratio the traction realizing Different Weight object, can also there is good adaptability, have larger promotional value in addition.
Claims (10)
1. a spring energy storage draw-bar, comprise connecting tube (1), it is characterized in that: described connecting tube (1) one end connects first piston cylinder (2), and the other end of connecting tube (1) connects the second piston cylinder (8); First piston cylinder (2), connecting tube (1) and the second piston cylinder (8) are coaxially arranged; First piston cylinder (2) comprises the first cylinder body (5), first piston (3) is established in first cylinder body (5), first piston (3) connects first piston bar (4), and first piston bar (4) passes the first cylinder body (5) and seals with it; Airtight first gas-liquid mixed media (6) in the rod chamber of the first cylinder body (5), airtight second gas-liquid mixed media (7) in the rodless cavity of the first cylinder body (5); Second piston cylinder (8) comprises the second cylinder body (13), the second piston (9) is established in second cylinder body (13), second piston (9) connects the second piston rod (10), and the second piston rod (10) passes the second cylinder body (13) and seals with it; Airtight 3rd gas-liquid mixed media (12) in the rod chamber of the second cylinder body (13), airtight 4th gas-liquid mixed media (11) in the rodless cavity of the second cylinder body (13).
2. a kind of spring energy storage draw-bar as claimed in claim 1, is characterized in that: when natural balanced state, and described the first gas-liquid mixed media (6) volume is less than the second gas-liquid mixed media (7) volume.
3. a kind of spring energy storage draw-bar as claimed in claim 1 or 2, it is characterized in that: when natural balanced state, gas volume in described the first gas-liquid mixed media (6) is less than its liquid volume, and the gas volume in the second gas-liquid mixed media (7) is greater than its liquid volume.
4. a kind of spring energy storage draw-bar as claimed in claim 3, is characterized in that: in described the first gas-liquid mixed media (6), liquid volume accounts for 55% ~ 95% of the first gas-liquid mixed media (6) total volume; The liquid volume of the second gas-liquid mixed media (7) accounts for 5% ~ 35% of the second gas-liquid mixed media (7) total volume.
5. a kind of spring energy storage draw-bar as claimed in claim 1, is characterized in that: when natural balanced state, and the volume of the 3rd described gas-liquid mixed media (12) is greater than the volume of the 4th gas-liquid mixed media (11).
6. a kind of spring energy storage draw-bar as described in claim 1 or 5, it is characterized in that: when natural balanced state, gas volume in the 3rd described gas-liquid mixed media (12) is greater than its liquid volume, and the gas volume in the 4th gas-liquid mixed media (11) is less than its liquid volume.
7. a kind of spring energy storage draw-bar as claimed in claim 6, is characterized in that: in the 3rd described gas-liquid mixed media (12), liquid volume accounts for 5% ~ 35% of the 3rd gas-liquid mixed media (12) total volume; The liquid volume of the 4th gas-liquid mixed media (11) accounts for 55% ~ 95% of the 4th gas-liquid mixed media (11) total volume.
8. a kind of spring energy storage draw-bar as claimed in claim 1, is characterized in that: described first piston cylinder (2) comprises the first end cap (15) being arranged at connecting tube (1) end and the first cylinder cap (14) be fixed in the middle part of connecting tube; Described first piston (3) is positioned between the first end cap (15) and the first cylinder cap (14); Described first piston bar (4) is through the first end cap (15) and seal with it; Described the second piston cylinder (8) comprises the second end cap (19) being arranged at connecting tube (1) end and the second cylinder cap (18) being fixed on connecting tube (1) middle part; Described the second piston (9) is positioned between the second end cap (19) and the second cylinder cap (18); Second piston rod (10) passes the second end cap (19) and seals with it.
9. a kind of spring energy storage draw-bar as claimed in claim 8, is characterized in that: the first injection orifice (16) described the first end cap (14) being provided with gas injection fluid injection in the rod chamber of the first cylinder body (5); Described the second end cap (19) is provided with the 3rd injection orifice (20) of gas injection fluid injection in the rod chamber of the second cylinder body (13); Described the first injection orifice (16) and the 3rd injection orifice (20) are equipped with sealing plug (22).
10. a kind of spring energy storage draw-bar as claimed in claim 1, is characterized in that: the connecting tube (1) between described first piston (3) and the first cylinder cap (14) is provided with second injection orifice (17) of gas injection fluid injection in the rodless cavity of the first cylinder body (5); Connecting tube (1) between described the second piston (9) and the second cylinder cap (18) is provided with the 4th injection orifice (21) of gas injection fluid injection in the rodless cavity of the second cylinder body (13); Described the second injection orifice (17) and the 4th injection orifice (21) are equipped with sealing plug (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471241.4A CN104265701B (en) | 2014-09-16 | 2014-09-16 | A kind of spring energy storage draw bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471241.4A CN104265701B (en) | 2014-09-16 | 2014-09-16 | A kind of spring energy storage draw bar |
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| Publication Number | Publication Date |
|---|---|
| CN104265701A true CN104265701A (en) | 2015-01-07 |
| CN104265701B CN104265701B (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410471241.4A Active CN104265701B (en) | 2014-09-16 | 2014-09-16 | A kind of spring energy storage draw bar |
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| Country | Link |
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| CN (1) | CN104265701B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109290A (en) * | 2015-08-27 | 2015-12-02 | 苏州雷姆斯汽车工程有限公司 | Automatically retractable car puller hook |
| CN108116171A (en) * | 2017-12-31 | 2018-06-05 | 叶维 | A kind of safe draft gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109290A (en) * | 2015-08-27 | 2015-12-02 | 苏州雷姆斯汽车工程有限公司 | Automatically retractable car puller hook |
| CN108116171A (en) * | 2017-12-31 | 2018-06-05 | 叶维 | A kind of safe draft gear |
| CN108116171B (en) * | 2017-12-31 | 2018-11-27 | 泰兴市东城水处理工程有限公司 | A kind of safe trailer wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104265701B (en) | 2017-09-15 |
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