CN214412225U - Spiral cable telescoping mechanism synchronous with lifting rod - Google Patents

Abstract

The utility model discloses a synchronous spiral cable telescopic machanism with lifter, including the cable, the lifter have bottom tube, many inner tubes and push pipes, the top of push pipe is equipped with the antenna mounting panel, still includes the tube-shape mounting bracket, the cable for tube-shape spiral cable, cover establish outside the tube-shape mounting bracket, the bottom of tube-shape mounting bracket is equipped with the annular supporting plate, be equipped with the ferrule on the annular supporting plate, the left and right both sides symmetry of tube-shape mounting bracket is equipped with the installation passageway that link up upwards; the outer wall of the inner pipe is provided with a cable penetrating assembly, and the antenna mounting plate and the annular supporting plate are respectively provided with a wire passing component; when the lifting rod is in a withdrawing state, the cables on the adjacent inner pipes pass through the assemblies and are respectively positioned in the mounting channels on the left side and the right side of the cylindrical mounting rack. Use the utility model discloses no matter the back lifter is when launching or removing, for the cable of lifter top consumer power supply can both be in orderly expansion and fall back, the unordered accumulational phenomenon of cable can not appear.

Description

Spiral cable telescoping mechanism synchronous with lifting rod

Technical Field

The utility model relates to a cable mechanism for lifter top consumer supplies power, specifically speaking relate to a spiral cable telescopic machanism synchronous with the lifter.

Background

The lifting rod with certain lifting capacity can be used for quickly erecting communication equipment such as an antenna and the like. The lifting rod in the prior art has more types, but mainly comprises a pipe body and a lead screw driving device in structure. The pipe body comprises an innermost top pipe, an outermost bottom pipe and a plurality of inner pipes between the bottom pipe and the top pipe, and an antenna mounting plate is arranged at the top end of the top pipe when the communication equipment such as an antenna is erected. The screw rod driving device can be driven by a single screw rod or a plurality of screw rods, and a plurality of inner pipes and jacking pipes in the pipe body can be lifted in sequence or lifted synchronously.

In the prior art, chinese utility model patent ZL200810229459.3 discloses a "multi-screw mechanical lifter," which is driven by a screw driving device to sequentially raise a top pipe and a plurality of inner pipes so that the lifter is in an expanded state or to sequentially lower so that the lifter is in a retracted state.

In the prior art, CN106241640A discloses a "multi-screw synchronous electric lifting rod", in which a top pipe and a plurality of inner pipes can be synchronously lifted to make the lifting rod in an expanded state or synchronously lowered to make the lifting rod in a retracted state under the driving of a screw driving device.

The lifting rod in the prior art is powered by a cable no matter the lifting rod is driven to lift or the electric equipment on the top end of the lifting rod works. When the lifter is in the expansion state, the cable that links to each other with lifter top consumer also is in the expansion state, and when the lifter was in the state of withdrawing, the cable that links to each other with lifter top consumer was in an unordered state when falling back, and the unordered decline of this kind of cable falls back and often leads to the cable to pile up together unordered, and unordered accumulational cable has not only taken up the great space on ground, also often can hinder the staff to the normal operating or the maintenance of lifter.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a spiral cable telescopic machanism synchronous with lifter, use the utility model discloses no matter when back lifter is expansion or withdraws, for the cable of lifter top consumer power supply can both be in orderly expansion and fall back, the unordered accumulational phenomenon of cable can not appear.

In order to solve the technical problem, the utility model discloses spiral cable telescoping mechanism synchronous with lifter, including the cable, the lifter have bottom tube, many inner tubes and push pipes, the top of push pipes is equipped with the antenna mounting panel, spiral cable telescoping mechanism synchronous with lifter still include the tube-shape mounting bracket of suit on the upper portion of lifter bottom tube, correspondingly the cable be tube-shape spiral cable, tube-shape spiral cable cover is established outside the tube-shape mounting bracket, the bottom of tube-shape mounting bracket is equipped with annular supporting plate admittedly, the last ferrule that is used for cramping on the bottom tube upper portion that is equipped with of annular supporting plate admittedly, the left and right both sides symmetry of tube-shape mounting bracket is equipped with the installation passageway that link up upwards; the outer wall of the pipe orifice at the top end of each inner pipe is provided with a cable penetrating assembly which extends towards the side part and is used for a cable of the cylindrical spiral cable to penetrate through, the cable penetrating assemblies on the outer walls of the pipe orifices at the top ends of the adjacent inner pipes are respectively arranged at the left side and the right side of the lifting rod, and the antenna mounting plate and the annular support plate are respectively provided with wire passing components used for two ends of the cable of the cylindrical spiral cable to penetrate through; when the lifting rod is in a withdrawing state, the cables on the adjacent inner pipes pass through the assemblies and are respectively positioned in the mounting channels on the left side and the right side of the cylindrical mounting rack.

Use with the lifter the utility model discloses behind the synchronous spiral cable telescopic machanism of lifter, when the lifter is in the expansion state, each inner tube and the push pipe of lifter rise, and the spiral cable of tube-shape passes orderly rise under the restraint of subassembly at corresponding cable, when the lifter is in the state of withdrawing, falls back orderly, the cover is established outside the tube-shape mounting bracket under the restraint that spiral cable self elasticity of tube-shape and corresponding cable passed the subassembly, the unordered phenomenon of piling up of cable can not appear.

Furthermore, the wire passing component consists of a clamp which can be fixed on the antenna mounting plate or the annular supporting plate and a wire passing sleeve which is arranged in the clamp and is fixed by the clamp and used for the cable end of the cylindrical spiral cable to pass through, and a fixing screw which is used for fixing the clamp on the antenna mounting plate or the annular supporting plate is arranged on the clamp.

As the improvement of the utility model, the shape of tube-shape mounting bracket is the toper tube-shape, and the spiral cable of tube-shape outside this tube-shape mounting bracket is the spiral cable of toper tube-shape correspondingly the cover is established. The concrete shape of tube-shape mounting bracket and the spiral cable of tube-shape all adopts the toper tube-shape, can reduce the frictional force between cable and the mounting bracket when the lifter expandes and withdraws, is favorable to expanding smoothly and withdrawing of cable.

As a further improvement, the toper tube-shape mounting bracket includes that a plurality of holding rings and the interval equipartition that the diameter that sets up by lower supreme interval reduces gradually fix the support pole setting on a plurality of holding ring outer walls, and the left and right bilateral symmetry of other holding rings except the one or two holding rings of bottommost cuts away the segmental arc and forms installation passageway. Above-mentioned mounting bracket structure adopts the mode that holding ring and support pole setting combined together, can save materials on the one hand, reduction in production cost, and on the other hand also can further reduce the frictional force between cable and the mounting bracket, is favorable to the expansion and the receipts of cable more.

As another improvement of the present invention, the cable passing assembly comprises a coupling flange shaft fixed to the outer wall of the top pipe orifice of the inner pipe, a coupling plate fixed to one end of the coupling flange shaft, and a wire passing assembly fixed to the end of the coupling plate for the cable of the cylindrical spiral cable to pass through.

Furthermore, the wire passing assembly is rotatably arranged at the end part of the connecting plate.

Furthermore, the wire passing assembly consists of a cable hoop and a shaft sleeve fixedly arranged on one side of the cable hoop, a rotating shaft is arranged in the shaft sleeve, one end of the rotating shaft is fixed at the end part of the connecting plate, and the shaft sleeve can rotate by taking the rotating shaft as a shaft.

The utility model discloses well cross the line subassembly and rotationally adorn in the tip of connecting plate, cross the line subassembly and can rotate correspondingly when the lifter expandes or removes, can further adapt to the expansion and the removal of the spiral cable of tube-shape.

As another improvement of the present invention, the cable hoop comprises an upper and a lower clasping members, and a cylindrical channel is formed between the upper and the lower clasping members for the cylindrical spiral cable to pass through. The cable staple bolt adopts the structure that upper and lower embraces a lock joint and constitutes, is convenient for the utility model discloses well tubular spiral cable's installation.

Furthermore, a circumferential groove is formed in one side, close to the upper and lower clamping pieces, of the shaft sleeve, and a circular limiting baffle which is arranged in the groove and prevents the rotating shaft from sliding out of the shaft sleeve is fixedly arranged at the end part of the rotating shaft in the shaft sleeve.

As a further improvement of the present invention, the coupling plate is formed by connecting a first coupling plate and a second coupling plate, the upper portion of the first coupling plate is fixed to one end of the coupling flange shaft, the lower portion of the coupling flange shaft has a first connecting elongated hole, the upper portion of the second coupling plate has a second connecting elongated hole matched with the first connecting elongated hole, the lower portion of the second coupling plate and the rotating shaft is fixedly connected, the lower portion of the first coupling plate overlaps with the upper portion of the second coupling plate, and the first connecting elongated hole and the second connecting elongated hole are fixedly connected through a fastening screw.

The utility model discloses well tie-plate is connected by first tie-plate and second tie-plate and is constituted, and the lower part of first tie-plate overlaps mutually and the upper portion of second tie-plate and first connection rectangular hole and second are connected between the rectangular hole through fastening screw fixed connection, and this kind of structure can be through adjustment fastening screw and then adjustment the cable passes the height of crossing the line subassembly in the subassembly, the installation of the cable in the spiral cable of the tube-shape of being convenient for.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of the structure of the utility model when mounted on the lifting rod, and the lifting rod is in a withdrawing state.

Fig. 2 is a schematic view of the cable removed from fig. 1.

Fig. 3 is a schematic view of the cable of fig. 2 in an unfolded state.

Fig. 4 is a partial view of fig. 1 after removal of the cable.

Fig. 5 is a schematic top view of the tubular mounting rack of the present invention.

Fig. 6 is a schematic sectional view taken along line a-a in fig. 5.

FIG. 7 is a schematic top view of FIG. 4 with the cable passing through the assembly removed.

Fig. 8 is a schematic sectional view taken along line B-B in fig. 7.

Fig. 9 is a schematic top view of the annular support plate of the present invention.

Fig. 10 is a view from direction a of fig. 9.

Fig. 11 is a front view of the pipe clamp of the present invention.

Fig. 12 is a side view schematic of the structure of fig. 11.

Fig. 13 is a schematic top view of the structure of fig. 11.

Fig. 14 is a front view of the wire passing member installed on the antenna mounting plate and the annular support plate according to the present invention.

Fig. 15 is a front view schematically showing the structure of the catch in the wire passing member.

Fig. 16 is a schematic top view of the structure of fig. 15.

Fig. 17 is a front view schematically showing the structure of the wire passing cover in the wire passing member.

Fig. 18 is a schematic top view of the structure of fig. 17.

Fig. 19 is a schematic view of the structure of the inner tube of the lifter, which is mounted on the outer wall of the top tube opening of the inner tube, and the cable passes through the assembly on the outer wall of the top tube opening of the inner tube and is separately arranged on the left and right sides of the lifter.

Fig. 20 is a front view of the cable pass-through assembly of the present invention.

Fig. 21 is a view from the direction B of fig. 19, showing a partial structure of a cable pass-through assembly according to the present invention.

Fig. 22 is an enlarged structural view of the coupling flange shaft of fig. 21.

Fig. 23 is a top schematic view of fig. 22.

Fig. 24 is a schematic front view of a cable clamp of the cable-passing assembly of fig. 20.

Fig. 25 is a schematic right view of fig. 24.

Fig. 26 is a top schematic view of fig. 24.

Fig. 27 is a schematic sectional view taken along line C-C in fig. 26.

Figure 28 is a front view of the coupling sleeve of the wire passing assembly of figure 20.

Fig. 29 is a schematic view from the right of fig. 28.

FIG. 30 is a front view of a baffle of the wire passing assembly of FIG. 20.

Fig. 31 is a schematic left view of fig. 30.

FIG. 32 is a main sectional view of the rotary shaft of the cable guide assembly of FIG. 20.

Fig. 33 is a front view schematically showing the structure of the first link plate in fig. 20.

Fig. 34 is a side view schematic of fig. 33.

Figure 35 is a front view of the second interface plate of figure 20.

Fig. 36 is a side view schematic of fig. 35.

Fig. 37 is a schematic view of the structure of the present invention when mounted on the lifting rod, in which the lifting rod is in the unfolded state.

Detailed Description

Referring to fig. 1-13, the utility model discloses a synchronous spiral cable telescopic machanism with lifter, including cable 200, lifter 100 have bottom tube 101, many inner tubes 102, 103, 104, 105, 106 and push pipe 107, the top of push pipe is equipped with antenna mounting panel 110, synchronous spiral cable telescopic machanism with lifter still include the tube-shape mounting bracket 300 of suit in the upper portion of lifter bottom tube, correspondingly cable 200 be the tube-shape spiral cable, tube-shape spiral cable 200 cover is established outside the tube-shape mounting bracket, and the bottom of tube-shape mounting bracket is fixed with annular support plate 310, is fixed with on the annular support plate and is used for cramping at the ferrule 320 on the bottom tube upper portion, and the left and right both sides symmetry of tube-shape mounting bracket is equipped with the installation passageway 330 that link up upwards; the outer wall of the top pipe orifice of each inner pipe is provided with a cable penetrating assembly 400 which extends towards the side part and is used for the cables of the cylindrical spiral cables to penetrate through, the cable penetrating assemblies on the outer walls of the top pipe orifices of the adjacent inner pipes are respectively arranged at the left side and the right side of the lifting rod, and the antenna mounting plate 110 and the annular supporting plate 310 are respectively provided with wire passing components 120 used for the two ends of the cables of the cylindrical spiral cables to penetrate through; when the lifting rod is in a withdrawing state, the cables on the adjacent inner pipes are respectively positioned in the installation channels on the left side and the right side of the cylindrical installation rack through the assemblies 400. The annular support plate 310 is provided with circular holes 311 at intervals along the circumferential direction, so that the production cost of the annular support plate is reduced, and the weight of the annular support plate is reduced. The pipe hoop 320 is composed of left and right pipe hoop embracing members 321 and 322, the left and right pipe hoop embracing members can be hooped on the upper part of the bottom pipe through connecting bolts 323, the bottoms of the left and right pipe hoop embracing members are respectively connected with a semi-annular connecting member 324, and the semi-annular connecting members can be fixed on the annular supporting plate 310 through screws.

Referring to fig. 14 to 18, the wire passing member 120 is composed of a clip 121 which can be fixed to the antenna mounting plate 110 or the loop support plate 310 and a wire passing sleeve 122 which is disposed in the clip and fixed by the clip and through which the end of the cable of the cylindrical spiral cable passes, and the clip is provided with a fixing screw 123 for fixing the clip to the antenna mounting plate 110 or the loop support plate 310.

Referring to fig. 2, 5 and 6 again, the cylindrical mounting bracket 300 is in the shape of a conical cylinder, and accordingly, the cylindrical spiral cable 200 sleeved outside the cylindrical mounting bracket is a conical cylindrical spiral cable. Further, the conical barrel-shaped mounting frame 300 comprises a plurality of positioning rings 301 which are arranged from bottom to top at intervals and have gradually reduced diameters, and supporting vertical rods 302 which are uniformly distributed at intervals and fixed on the outer walls of the plurality of positioning rings, and arc-shaped sections are symmetrically cut off at the left side and the right side of other positioning rings except for one or two positioning rings at the bottommost part of the conical barrel-shaped mounting frame 300 to form mounting channels 330 at the left side and the right side.

Referring to fig. 19 to 23 again, the cable passing assembly 400 is composed of a coupling flange shaft 410 fixed on the outer wall of the pipe orifice at the top end of the inner pipe, a coupling plate 420 fixedly mounted at one end of the coupling flange shaft, and a cable passing assembly 430 mounted at the end of the coupling plate for the cable of the cylindrical spiral cable to pass through; the connecting flange shaft 410 is composed of a connecting shaft 411 and a connecting flange 412 arranged at one end of the connecting shaft, the connecting plate is arranged at the other end of the connecting shaft, and the connecting flange shaft is fixed on the outer wall of the top end pipe orifice of the inner pipe through the connecting flange at one end of the connecting flange shaft. The wire passing assembly 430 is rotatably mounted at the end of the connecting plate. The wire passing assembly 430 is composed of a cable hoop 431 and a shaft sleeve 432 fixedly arranged on one side of the cable hoop, a cable of the cylindrical spiral cable can pass through the cable hoop 431, a rotating shaft 433 is arranged in the shaft sleeve, one end of the rotating shaft is fixed on the end part of the connecting plate 420, and the shaft sleeve 432 can rotate by taking the rotating shaft 433 as a shaft.

Referring to fig. 24-27 again, the cable hoop 431 is formed by fastening upper and lower clasping members 434, 435 together, the upper and lower clasping members can be fastened together by fixing screws, and a cylindrical channel 436 for the cylindrical spiral cable to pass through is formed between the upper and lower clasping members when fastened together.

Referring to fig. 20, 24, 28-32 again, a circumferential groove 437 is formed on one side of the shaft sleeve 432 close to the upper and lower clasping members 434 and 435, a circular limit baffle 438 arranged in the groove 437 is fixedly arranged at the end of the rotating shaft 433 positioned in the shaft sleeve, and after the circular limit baffle matched with the radial size of the groove 437 is arranged at the end of the rotating shaft 433, the rotating shaft can be prevented from sliding out of the shaft sleeve.

Referring to fig. 33 to 36, the coupling plate 420 is formed by connecting a first coupling plate 421 and a second coupling plate 425, the first coupling plate 421 has an upper portion fixed to one end of the coupling flange shaft and a lower portion having a first connecting elongated hole 422, the second coupling plate 425 has an upper portion having a second connecting elongated hole 426 matching the first connecting elongated hole and a lower portion fixedly connected to the rotating shaft 433, the lower portion of the first coupling plate 421 overlaps the upper portion of the second coupling plate 425, and the first connecting elongated hole 422 and the second connecting elongated hole 426 are fixedly connected by a fastening screw 423.

Finally, referring to fig. 37, fig. 37 is a schematic view of the structure of the utility model when mounted on the lifting rod, the lifting rod in the figure is in the expansion state, and the cable in the utility model is also in the expansion state correspondingly.

The utility model discloses a spiral cable telescoping mechanism synchronous with lifter, when installing, firstly, the tubular mounting bracket in the utility model is fixed on the upper part of the bottom pipe of the lifter through the pipe hoop on the annular supporting plate at the bottom, the tubular spiral cable sleeve is sleeved outside the tubular mounting bracket, then the inner pipe and the top pipe of the lifter are installed, the whole assembly of the lifter is completed, then the cable passing component in the utility model is respectively installed on the outer wall of the top pipe orifice of each inner pipe, the cable passing component on the outer wall of the top pipe orifice of the adjacent inner pipe is respectively arranged at the left side and the right side of the lifter, when the lifter is in the state of withdrawing, the cable passing component on the adjacent inner pipe is respectively arranged in the installation channels at the left side and the right side of the tubular mounting bracket, then the wire passing component in the utility model is installed on the antenna mounting plate and the annular supporting plate, finally, the cable of the tubular spiral cable passes through each cable passing component respectively, two ends of the cable respectively pass through the antenna mounting plate and the wire passing component on the annular supporting plate, the cable passing through the wire passing component on the antenna mounting plate is connected with the electric equipment at the top end of the lifting rod, and the cable passing through the wire passing component on the annular supporting plate is connected with the power supply.

Claims (10)

1. A spiral cable telescopic machanism synchronous with lifter, includes cable (200), lifter (100) have bottom tube (101), many inner tubes (102, 103, 104, 105, 106) and push pipe (107), antenna panel (110) is equipped with on the top of push pipe, its characterized in that: the spiral cable telescoping mechanism synchronous with the lifting rod further comprises a cylindrical mounting rack (300) sleeved on the upper portion of the bottom pipe of the lifting rod, correspondingly, the cable (200) is a cylindrical spiral cable, the cylindrical spiral cable (200) is sleeved outside the cylindrical mounting rack, an annular supporting plate (310) is fixedly arranged at the bottom of the cylindrical mounting rack, a pipe hoop (320) used for hooping the upper portion of the bottom pipe is fixedly arranged on the annular supporting plate, and upward through mounting channels (330) are symmetrically arranged on the left side and the right side of the cylindrical mounting rack; the outer wall of the pipe orifice at the top end of each inner pipe is provided with a cable penetrating assembly (400) which extends towards the side part and is used for a cable of the cylindrical spiral cable to penetrate through, the cable penetrating assemblies on the outer walls of the pipe orifices at the top ends of the adjacent inner pipes are respectively arranged at the left side and the right side of the lifting rod, and the antenna mounting plate (110) and the annular supporting plate (310) are respectively provided with wire passing components (120) used for two ends of the cable of the cylindrical spiral cable to penetrate through; when the lifting rod is in a withdrawing state, the cable penetrating assemblies (400) on the adjacent inner pipes are respectively positioned in the installation channels on the left side and the right side of the cylindrical installation rack.

2. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 1 wherein: the wire passing component (120) is composed of a clamp (121) which can be fixed on the antenna mounting plate (110) or the annular supporting plate (310) and a wire passing sleeve (122) which is arranged in the clamp and fixed by the clamp and is used for the cable end of the cylindrical spiral cable to pass through, and a fixing screw (123) which is used for fixing the clamp on the antenna mounting plate (110) or the annular supporting plate (310) is arranged on the clamp.

3. A helical cable retracting mechanism in synchronism with a lifting rod according to claim 1 or 2, wherein: the cylindrical mounting rack (300) is in a conical cylindrical shape, and the cylindrical spiral cable (200) sleeved outside the cylindrical mounting rack correspondingly is a conical cylindrical spiral cable.

4. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 3 wherein: the conical barrel-shaped mounting frame (300) comprises a plurality of positioning rings (301) which are arranged from bottom to top at intervals and have gradually reduced diameters and supporting vertical rods (302) which are uniformly distributed at intervals and fixed on the outer walls of the positioning rings, and arc-shaped sections are symmetrically cut off at the left side and the right side of other positioning rings except one or two positioning rings at the bottommost part to form the mounting channel (330).

5. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 1 wherein: the cable penetrating assembly (400) is composed of a connecting flange shaft (410) fixed on the outer wall of the pipe orifice at the top end of the inner pipe, a connecting plate (420) fixedly arranged at one end of the connecting flange shaft and a wire passing assembly (430) arranged at the end part of the connecting plate and used for the cable of the cylindrical spiral cable to penetrate through.

6. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 5 wherein: the wire passing assembly (430) is rotatably arranged at the end part of the connecting plate.

7. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 6 wherein: the wire passing assembly (430) is composed of a cable hoop (431) and a shaft sleeve (432) fixedly arranged on one side of the cable hoop, a rotating shaft (433) is arranged in the shaft sleeve, one end of the rotating shaft is fixed at the end part of the connecting plate (420), and the shaft sleeve (432) can rotate by taking the rotating shaft (433) as a shaft.

8. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 7 wherein: the cable hoop (431) is formed by buckling an upper embracing piece (434) and a lower embracing piece (435), and a cylindrical channel (436) for the cylindrical spiral cable to pass through is formed between the upper embracing piece and the lower embracing piece when the upper embracing piece and the lower embracing piece are buckled together.

9. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 8 wherein: one side of the shaft sleeve (432) close to the upper and lower clasping pieces (434 and 435) is provided with a circumferential groove (437), and the end part of the rotating shaft (433) positioned in the shaft sleeve is fixedly provided with a circular limiting baffle (438) which is arranged in the groove (437) and prevents the rotating shaft from sliding out of the shaft sleeve.

10. A helical cable retractor mechanism in synchronization with a lifter as claimed in claim 9 wherein: the connecting plate (420) is formed by connecting a first connecting plate (421) and a second connecting plate (425), the upper part of the first connecting plate (421) is fixed at one end of the connecting flange shaft, the lower part of the first connecting plate is provided with a first connecting long hole (422), the upper part of the second connecting plate (425) is provided with a second connecting long hole (426) matched with the first connecting long hole, the lower part of the second connecting plate is fixedly connected with the rotating shaft (433), the lower part of the first connecting plate (421) is overlapped with the upper part of the second connecting plate (425), and the first connecting long hole (422) and the second connecting long hole (426) are fixedly connected through a fastening screw (423).

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