CN112670131A - Low-voltage circuit breaker installation device with adjustable - Google Patents
Low-voltage circuit breaker installation device with adjustable Download PDFInfo
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- CN112670131A CN112670131A CN202011461618.XA CN202011461618A CN112670131A CN 112670131 A CN112670131 A CN 112670131A CN 202011461618 A CN202011461618 A CN 202011461618A CN 112670131 A CN112670131 A CN 112670131A
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- 238000009434 installation Methods 0.000 title claims abstract description 50
- 230000033001 locomotion Effects 0.000 claims description 24
- 230000000670 limiting effect Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
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Abstract
The invention discloses an adjustable low-voltage circuit breaker mounting device, wherein rotatable screw rods are arranged in tracks on two sides in a power distribution cabinet, so that an upper sliding block and a lower sliding block on each screw rod synchronously move relative to each other through the rotation of the screw rods, and the distance between an upper mounting rod and a lower mounting rod is convenient to adjust, so that the upper mounting rod and the lower mounting rod are adjusted to form an 'splayed' structure and a horizontal structure, so that low-voltage circuit breakers needing fixed mounting holes for mounting, such as molded case circuit breakers of different sizes, and the like are convenient to mount, the applicability of the device is effectively improved, the mounting efficiency is high, and independent mounting supports for the low-voltage circuit breakers of different sizes are not needed; simultaneously, through setting up the linkage subassembly to the problem of avoiding carrying out the interference with the low-voltage circuit breaker on the knot connects the pole when the moulded case circuit breaker of installation different size and dimension appears, effectively improved low-voltage circuit breaker's installation flexibility, effectively increased installation space, thereby further improve low-voltage circuit breaker's installation and dismantlement efficiency.
Description
Technical Field
The invention relates to the technical field of low-voltage circuit breaker installation, in particular to an adjustable low-voltage circuit breaker installation device.
Background
The low-voltage circuit breaker is a switching device which can not only connect and disconnect normal load current and overload current, but also connect and disconnect short-circuit current. The low-voltage circuit breaker has certain protection functions such as overload, short circuit, undervoltage and leakage protection besides the function of starting control in the circuit.
Low-voltage circuit breakers are widely moved to various locations due to increasing power usage; the low-voltage distribution cabinets are more used, but the installation sizes of the circuit breakers used by the low-voltage distribution cabinets in each transformer area are different in model; meanwhile, the models of spare parts for bidding and purchasing of materials of power grid companies are single every year, when a circuit breaker is burnt out, the new circuit breaker cannot be replaced and installed due to the fact that the model and the type of the new circuit breaker are inconsistent with those of an original circuit breaker and are not matched with a power distribution cabinet support base, so that the problem of needing rework is caused, the installation efficiency is low, the emergency repair work efficiency is seriously influenced, and the power failure time is greatly prolonged; simultaneously, because need install a plurality of models and the low-voltage circuit breaker who differs in size in the switch board and carry out safety protection, to the low-voltage circuit breaker that needs fixed mounting hole to install such as the moulded case circuit breaker that differs in size specification, need install a plurality of solitary supports in the switch board and match the installation, and in the installation, the installation interference problem with other low-voltage circuit breakers easily appears, greatly reduced installation effectiveness and daily maintenance efficiency.
Disclosure of Invention
The invention provides an adjustable low-voltage circuit breaker mounting device, and aims to solve the problems that the low-voltage circuit breakers of different sizes need to be mounted by matching with a single bracket and mounting interference with other low-voltage circuit breakers is easy to occur.
In order to achieve the purpose, the invention provides an adjustable low-voltage circuit breaker mounting device which comprises a sliding rail fixed in a power distribution cabinet, wherein a screw rod is arranged in the sliding rail, an upper sliding block and a lower sliding block are connected to the screw rod in a threaded manner, an upper mounting rod and a lower mounting rod which can move relatively are respectively hinged to the upper sliding block and the lower sliding block, and a plurality of auxiliary mounting rods are respectively hinged to the upper mounting rod and the lower mounting rod; a limiting sliding block is further arranged in the sliding rail, a buckling rod is connected to the limiting sliding block, a plurality of connecting blocks with adjustable buckling lengths are arranged on the buckling rod, and the connecting blocks are connected through adjusting screws; the upper mounting rod is connected with the buckling rod through a linkage assembly.
Further, the linkage assembly comprises a rotary disc, a first push rod and a second push rod, the rotary disc is hinged to the panel of the power distribution cabinet, the first push rod is hinged to one end of the upper mounting rod and one end of the rotary disc respectively, and the second push rod is hinged to the other end of the lower mounting rod and the other end of the rotary disc respectively.
Further, the thread directions of the upper sliding block and the lower sliding block are arranged in opposite directions, so that the upper mounting rod and the lower mounting rod perform relative movement under the rotation of the screw rod.
Furthermore, a sliding rod is connected between the sliding rails and is positioned between the upper mounting rod and the lower mounting rod; the sliding rod is provided with a sliding sleeve, two sides of the sliding sleeve are hinged with an upper pull rod and a lower pull rod, one end of the upper pull rod is hinged on the auxiliary mounting rod on the upper mounting rod, and one end of the lower pull rod is hinged on the auxiliary mounting rod on the lower mounting rod.
Further, the upper mounting rod, the lower mounting rod and the auxiliary mounting rod are provided with mounting grooves.
Furthermore, the buckling rod is of a double-U-shaped structure, through grooves are formed in two ends of the buckling rod, and the connecting block is located in the through grooves.
Furthermore, a knob is arranged in the middle of the adjusting screw rod and is located between the double U-shaped structures.
Further, the thread turning directions of the adjusting screws on the two sides of the knob are arranged in opposite directions, so that the connecting blocks connected to the adjusting screws perform relative movement through the rotation of the adjusting screws.
Furthermore, the internal threads of the connecting blocks positioned on two sides of the buckling rod are arranged in opposite directions, so that the connecting blocks connected to the adjusting screw rod perform relative movement through the rotation of the adjusting screw rod.
Furthermore, a pre-tightening bolt is connected to the limiting sliding block in a threaded mode and abuts against the sliding rail through rotation, and therefore the limiting sliding block is fastened.
Compared with the prior art, the method has the following beneficial effects:
1. set up rotatable screw rod in the track of both sides through in the switch board, so that last slider on the screw rod and lower slider carry out synchronous relative motion through the rotation of screw rod, so that install the pole and install the interval of pole down in the regulation, thereby install the pole and install the regulation that the pole becomes "eight" word structure and horizontal structure down in the realization, so that carry out the low-voltage circuit breaker who installs to needs fixed mounting hole such as moulded case circuit breaker of equidimension not, effectively improve the suitability of device, the installation effectiveness is high, need not to carry out installing support alone to the low-voltage circuit breaker of equidimension not.
2. Through setting up the linkage subassembly to the installation pole is in the in-process of adjusting on realizing, the knot connects the pole and carries out synchronous relative motion, thereby adjust or keep with the interval of installing the pole down, with the problem of avoiding carrying out the interference with the low-voltage circuit breaker who connects on the pole when the moulded case circuit breaker of installation different size and dimension appears, effectively improved low-voltage circuit breaker's installation flexibility, effectively increase installation space, thereby further improve low-voltage circuit breaker's installation and dismantlement efficiency.
3. The connecting blocks and the adjusting screw rods are arranged on the buckling rod, so that the adjusting screw rods drive the connecting blocks which are in threaded connection with the two ends of the adjusting screw rods to synchronously and relatively move in the rotating process, the distance between the connecting blocks at the two ends of the adjusting screw rods is adjusted, the mounting and fixing effects on the trapezoidal mounting grooves with different sizes on different low-voltage circuit breakers are achieved, the applicability of the buckling rod is effectively improved,
4. through setting up the slide bar to the last pull rod and the lower link through the sliding sleeve both sides realize going up the auxiliary installation pole on the installation pole and the synchronous motion of the auxiliary installation pole on the installation pole down, so that fix a position the low-voltage circuit breaker that needs fixed mounting hole to install such as moulded case circuit breaker fast.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Figure 1 is a schematic view of an adjustable low-voltage circuit breaker mounting device according to the present application;
figure 2 is an axial view of an adjustable low-voltage circuit breaker mounting device according to the present application;
fig. 3 is an enlarged partial schematic view a of an adjustable low-voltage circuit breaker mounting device according to the present application;
fig. 4 is an enlarged partial schematic view B of an adjustable low-voltage circuit breaker mounting device according to the present application;
figure 5 is a cross-sectional view of a catch bar of an adjustable low voltage circuit breaker mounting arrangement of the present application.
Reference numerals: 1-a slide rail; 2-a screw; 3, an upper sliding block; 4-lower slide block; 5-mounting a rod; 6-lower mounting rod; 7-auxiliary mounting rod; 8-a limiting slide block; 9-a fastening rod; 10-connecting blocks; 11-adjusting screw; 12-mounting grooves; 13-pre-tightening the bolt; 21-a turntable; 22-a first push rod; 23-a second push rod; 31-a slide bar; 32-a sliding sleeve; 33-upper pull rod; 34-a lower pull rod; 111-knob.
Detailed Description
For a better understanding of the present invention, its structure, and the functional features and advantages attained by its structure, reference is made to the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings, in which:
example 1:
as shown in fig. 1 to 5, the present invention provides an adjustable low-voltage circuit breaker mounting device, which comprises slide rails 1 fixed on two sides in a power distribution cabinet, wherein a rotatable screw 2 is arranged in each slide rail 1, an upper slide block 3 and a lower slide block 4 are connected to each screw 2 in a threaded manner, and the upper slide block 3 and the lower slide block 4 are limited in each slide rail 1, so that the upper slide block 3 and the lower slide block 4 perform synchronous relative motion in the rotation process of the screw 2; an upper mounting rod 5 and a lower mounting rod 6 which can move relatively are respectively hinged on the upper sliding block 3 and the lower sliding block 4, so that the relative movement of the upper mounting rod 5 and the lower mounting rod 6 is realized through the relative movement of the upper sliding block 3 and the lower sliding block 4; the upper mounting rod 5 and the lower mounting rod 6 are hinged with a plurality of auxiliary mounting rods 7, so that the movable auxiliary mounting rods 7 are matched with the upper mounting rod 5 and the lower mounting rod 6 to carry out parallel mounting on the molded case circuit breaker; a limiting slide block 8 is further arranged in the slide rail 1, a buckling rod 9 is connected to the limiting slide block 8, a plurality of connecting blocks 10 capable of adjusting the buckling length are arranged on the buckling rod 9, the connecting blocks 10 are connected through adjusting screws 11, so that the buckling length of the connecting blocks 10 can be adjusted by rotating the adjusting screws 11, the installation size of the trapezoidal installation groove 12 can be adjusted, and the installation of the low-voltage circuit breaker with the trapezoidal installation groove 12 is facilitated; go up installation pole 5 and be connected with the knot through the linkage subassembly and connect pole 9 to realize installing pole 5 and the synchronous relative motion of knot pole 9 through the linkage subassembly, thereby adjust down the interval of installation pole 6 and knot pole 9, in order to avoid when installing the moulded case circuit breaker of different size and dimension and carry out the problem appearance of interfering with the low-voltage circuit breaker on the knot pole 9.
Set up rotatable screw rod 2 in the track through both sides in the switch board, so that last slider 3 on the screw rod 2 carries out synchronous relative motion with lower slider 4 through screw rod 2's rotation, so that install pole 5 and install the interval of pole 6 down in the regulation, thereby install pole 5 and install the regulation that pole 6 becomes "eight" word structure and horizontal structure down in the realization, so that carry out the low-voltage circuit breaker of installing to needs fixed mounting hole such as the moulded case circuit breaker of equidimension not, effectively improve device's suitability, the installation effectiveness is high, need not to carry out installing support alone to the low-voltage circuit breaker of equidimension not.
Specifically, the linkage subassembly includes carousel 21, first push rod 22 and second push rod 23, carousel 21 articulates on the panel of switch board, first push rod 22 articulates respectively in the one end of last installation pole 5 and carousel 21, second push rod 23 articulates respectively in the other end of installing pole 6 and carousel 21 down, in order to realize the in-process of installing pole 5 motion through the linkage subassembly, the pole 9 that links carries out synchronous relative motion, thereby adjust the interval of installing pole 6 and linking pole 9 down, in order to reach the installation interval requirement of matching the circuit breaker of different size and sizes to installing pole 6 and linking pole 9 down.
Specifically, the thread turning directions of the upper sliding block 3 and the lower sliding block 4 are arranged in opposite directions, so that the upper mounting rod 5 and the lower mounting rod 6 on the sliding rails 1 on two sides in the power distribution cabinet perform relative motion under the rotation of the screw rod 2, and the distances between two ends of the upper mounting rod 5 and two ends of the lower mounting rod 6 are respectively adjusted, so that the upper mounting rod 5 and the lower mounting rod 6 can be switched and adjusted between an 'eight' -shaped structure and a parallel structure; the eight-shaped structure is used for installing circuit breakers which need to be installed through fixed installation holes and are of different sizes and specifications on the same group of upper installation rods 5 and lower installation rods 6, and the parallel structure is used for installing low-voltage circuit breakers which need to be installed through fixed installation holes and are of the same sizes and specifications on the same group of upper installation rods 5 and lower installation rods 6.
Specifically, the upper mounting rod 5, the lower mounting rod 6 and the auxiliary mounting rod 7 are provided with mounting grooves 12, so that circuit breakers such as molded case circuit breakers requiring fixed mounting holes to be mounted can be mounted through the mounting grooves 12.
Specifically, threaded connection has pretension bolt 13 on the limit slider 8, and pretension bolt 13 carries out the butt through rotating with slide rail 1 to fasten limit slider 8, thereby be convenient for carry out further fixed to the extension bar 9, appear rocking problem on the extension bar 9 because the low voltage circuit breaker installation is many in order to reduce.
Example 2:
as shown in fig. 3, in combination with the technical solution of embodiment 1, in this embodiment, a sliding rod 31 is connected between the sliding rails 1, and the sliding rod 31 is located between the upper mounting rod 5 and the lower mounting rod 6; a sliding sleeve 32 is arranged on the sliding rod 31, an upper pull rod 33 and a lower pull rod 34 are hinged to two sides of the sliding sleeve 32, one end of the upper pull rod 33 is hinged to the auxiliary mounting rod 7 on the upper mounting rod 5, and one end of the lower pull rod 34 is hinged to the auxiliary mounting rod 7 on the lower mounting rod 6; the synchronous movement of the auxiliary mounting rod 7 on the upper mounting rod 5 and the auxiliary mounting rod 7 on the lower mounting rod 6 is realized by arranging the upper pull rod 33 and the lower pull rod 34, so that the low-voltage circuit breaker such as a molded case circuit breaker and the like which needs to be installed through a fixed mounting hole can be quickly positioned.
Example 3:
as shown in fig. 4 and 5, in combination with the technical solution of embodiment 2, in this embodiment, the fastening rod 9 is a double "U" shaped structure, through grooves are formed at two ends of the fastening rod 9, and the connecting block 10 is located in the through grooves to limit the connecting block 10 through the through grooves, so that the connecting block 10 performs relative linear motion under the rotation of the adjusting screw 11; further, one end of the connection block 10 is a slope structure so that the low voltage circuit breaker having the trapezoidal installation groove 12 can be fastened to the connection block 10 at both sides of the fastening rod 9.
Specifically, a knob 111 is arranged in the middle of the adjusting screw rod 11, and the knob 111 is located between the double-U-shaped structures to limit the adjusting screw rod 11, so that the adjusting screw rod 11 is driven to rotate when the knob 111 is rotated, and the connecting block 10 which is in threaded connection with the adjusting screw rod 11 is pushed to perform linear relative motion; through setting up knob 111, be convenient for still be convenient for manually rotate knob 111 and carry out the interval adjustment of connecting block 10 when being convenient for spacing adjusting screw 11.
Specifically, the screw thread of adjusting screw 11 of knob 111 both sides is turned to reverse setting, so that connect connecting block 10 on adjusting screw 11 and carry out relative motion through adjusting screw 11's rotation, when realizing that knob 111 drives both sides adjusting screw 11 and rotate with the external screw thread of adjusting screw 11 through knob 111 both sides is turned to reverse setting, drive two connecting blocks 10 that detain pole 9 both ends and carry out relative motion, in order to realize the regulation to the interval of two connecting blocks 10, thereby play the effect of adjusting installation length size, so that the installation to the trapezoidal mounting groove 12 of unidimensional on the different low voltage circuit breaker is fixed.
Example 4:
as shown in fig. 5, the difference between this embodiment and embodiment 3 is that the internal thread turning directions of the connecting blocks 10 located at both sides of the fastening rod 9 are set in opposite directions, so that the connecting blocks 10 connected to the adjusting screw 11 perform relative motion through the rotation of the adjusting screw 11, and the internal thread turning directions of the two connecting blocks 10 at both ends of the fastening rod 9 are set in opposite directions to realize the adjustment screw 11 in a single turning direction in the rotating process, so as to drive the two connecting blocks 10 at both ends of the fastening rod 9 to perform relative motion, so as to realize the adjustment of the distance between the two connecting blocks 10, thereby playing a role in adjusting the installation length and size, and facilitating the installation and fixation of the trapezoidal installation grooves 12 with different sizes on different low-voltage circuit breakers.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments using the teachings set forth above, without departing from the scope of the claimed solution. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. An adjustable low-voltage circuit breaker mounting device is characterized by comprising a sliding rail (1) fixed in a power distribution cabinet, wherein a screw rod (2) is arranged in the sliding rail (1), an upper sliding block (3) and a lower sliding block (4) are in threaded connection with the screw rod (2), an upper mounting rod (5) and a lower mounting rod (6) which can move relatively are respectively hinged on the upper sliding block (3) and the lower sliding block (4), and a plurality of auxiliary mounting rods (7) are respectively hinged on the upper mounting rod (5) and the lower mounting rod (6); a limiting sliding block (8) is further arranged in the sliding rail (1), a buckling rod (9) is connected to the limiting sliding block (8), a plurality of connecting blocks (10) with adjustable buckling lengths are arranged on the buckling rod (9), and the connecting blocks (10) are connected through adjusting screws (11); the upper mounting rod (5) is connected with the buckling rod (9) through a linkage assembly.
2. Adjustable low-voltage circuit breaker mounting device according to claim 1, characterized in that said linkage assembly comprises a rotary disc (21), a first push rod (22) and a second push rod (23), said rotary disc (21) being hinged on the panel of said distribution cabinet, said first push rod (22) being hinged respectively on one end of said upper mounting bar (5) and of said rotary disc (21), said second push rod (23) being hinged respectively on the other end of said lower mounting bar (6) and of said rotary disc (21).
3. Adjustable low-voltage circuit breaker mounting device as claimed in claim 2, characterized in that the threading directions of said upper slider (3) and of said lower slider (4) are reversed so as to allow the relative movement of said upper mounting rod (5) and of said lower mounting rod (6) upon the rotation of said threaded rod (2).
4. Adjustable low-voltage circuit breaker mounting device as claimed in claim 1, characterized in that between said sliding rails (1) there is connected a sliding rod (31), said sliding rod (31) being located between said upper mounting bar (5) and said lower mounting bar (6); be equipped with sliding sleeve (32) on slide bar (31), the both sides of sliding sleeve (32) are articulated to have go up pull rod (33) and lower link (34), the one end of going up pull rod (33) articulate in on going up installation pole (5) on vice installation pole (7), the one end of lower link (34) articulate in on lower installation pole (6) vice installation pole (7) are gone up.
5. Adjustable low voltage circuit breaker mounting device as claimed in any one of claims 1 to 4, characterized in that said upper mounting bar (5), lower mounting bar (6) and secondary mounting bar (7) are provided with mounting slots (12).
6. Adjustable low-voltage circuit breaker mounting device as claimed in claim 1, characterized in that said catch bar (9) is of double "U" shape, said catch bar (9) having through slots at both ends, said connection block (10) being located in said through slots.
7. Adjustable low-voltage circuit breaker mounting device, according to claim 6, characterized in that the adjusting screw (11) is provided, in the middle, with a knob (111), said knob (111) being located between said double "U" shaped structures.
8. Adjustable low-voltage circuit breaker mounting device as claimed in claim 7, characterized in that the threading direction of said adjusting screw (11) on both sides of said knob (111) is reversed, so that the relative movement of said connecting blocks (10) connected to said adjusting screw (11) is obtained by the rotation of said adjusting screw (11).
9. Adjustable low-voltage circuit breaker mounting device as claimed in claim 7, characterized in that the internal threads of said connecting blocks (10) on both sides of said catch bar (9) are turned in opposite directions so as to allow the relative movement of said connecting blocks (10) connected to said adjusting screw (11) by the rotation of said adjusting screw (11).
10. Adjustable low-voltage circuit breaker mounting device as claimed in claim 1, characterized in that a pre-tightening bolt (13) is screwed onto said limit slider (8), said pre-tightening bolt (13) being in abutment with said sliding rail (1) by rotation so as to fasten said limit slider (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011461618.XA CN112670131B (en) | 2020-12-14 | 2020-12-14 | Low-voltage circuit breaker installation device with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011461618.XA CN112670131B (en) | 2020-12-14 | 2020-12-14 | Low-voltage circuit breaker installation device with adjustable |
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| Publication Number | Publication Date |
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| CN112670131A true CN112670131A (en) | 2021-04-16 |
| CN112670131B CN112670131B (en) | 2021-09-21 |
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| CN202011461618.XA Active CN112670131B (en) | 2020-12-14 | 2020-12-14 | Low-voltage circuit breaker installation device with adjustable |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112670131B (en) | 2021-09-21 |
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Effective date of registration: 20231222 Address after: 572316 Baoxing East Road, Baocheng Town, Baoting County, Hainan Province Patentee after: BAOTING POWER SUPPLY BUREAU OF HAINAN POWER GRID CO.,LTD. Patentee after: Hainan Electric Power Industry Development Co.,Ltd. Address before: 570100 Baoxing East Road, Baocheng Town, Baoting Li and Miao Autonomous County, Hainan Province Patentee before: BAOTING POWER SUPPLY BUREAU OF HAINAN POWER GRID CO.,LTD. |
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