CN219297875U - Railway fork rear sleeper transfer operation device - Google Patents
Railway fork rear sleeper transfer operation device Download PDFInfo
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- CN219297875U CN219297875U CN202223132077.3U CN202223132077U CN219297875U CN 219297875 U CN219297875 U CN 219297875U CN 202223132077 U CN202223132077 U CN 202223132077U CN 219297875 U CN219297875 U CN 219297875U
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- fork
- sleeper
- main platform
- seat
- operation device
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The utility model provides a transfer operation device for a rear sleeper of a railway fork, which comprises the following components: a main platform; the fork sleeper seat is arranged in the central area of the top of the main platform, a sliding trolley is arranged at the top of the fork sleeper seat, a jacking device is arranged at the top of the main platform and in a gap of the fork sleeper seat, a pulling plate sliding block is arranged at the top of the main platform and at the bottom of the fork sleeper seat, supporting wheels are fixedly arranged at the bottoms of two sides of the fork sleeper seat group, and lock fixing seats are arranged at the left side and the right side of the top of the fork sleeper seat group. The railway turnout rear sleeper transfer operation device provided by the utility model has the advantages that the whole equipment has higher alignment precision, and the requirement on the assembly precision of the turnout sleeper is met; the transfer and assembly functions of 4 steel rails with the length of maximum 10m and the transfer and assembly functions of 13 turnout long sleepers with the length of maximum 4.8m are met; the rail and the rear sleeper of the fork are provided with a reliable fixing device in the transportation process; the profile of the operating device in the transportation state meets the locomotive limit requirement.
Description
Technical Field
The utility model relates to the railway field, in particular to a railway fork rear sleeper transfer operation device.
Background
Rail route for running vehicles such as railway
In the railway turnout replacement construction operation process, the whole group of turnouts is difficult to replace, so that the turnouts need to be split, transported in sections and replaced and installed. The turnout can be divided into a turnout front part, a frog part and a turnout rear sleeper part after being split, and the turnout front part and the frog part can be transported in an integral and sectional way under the condition of not exceeding the limit of a railway locomotive. The length of most sleeper is above 4m, and the whole group of transportation exceeds the limit of rolling stock, so that it is necessary to develop a railway fork rear sleeper transfer operation device. The device can transport all materials of the rear sleeper of the turnout, meets the limit requirement of rolling stock in the transportation process, can assemble all materials in a short time under the assistance of manpower after reaching a construction site, and is lifted and transported to a designated place by special equipment.
At present, the turnout has a plurality of types, the newly developed turnout replacement equipment can not cover all turnouts, the utility model mainly aims at No. 9 and No. 12 and carrying out the operation of transferring the sleeper after the turnout of the turnout.
Therefore, it is necessary to provide a railway switch rear sleeper transfer operation device to solve the above technical problems.
Disclosure of Invention
The utility model provides a railway turnout rear sleeper transfer operation device, which solves the problems that the existing turnout has various types, and newly developed turnout replacement equipment cannot cover all turnouts and mainly aims at turnout rear sleeper transfer operation of No. 9 and No. 12 turnouts.
In order to solve the technical problems, the utility model provides a railway fork rear sleeper transfer operation device, which comprises: a main platform;
the fork sleeper seat is arranged in the central area of the top of the main platform, a sliding trolley is arranged at the top of the fork sleeper seat, a jacking device is arranged at the top of the main platform and in a gap of the fork sleeper seat, a pulling plate sliding block is arranged at the top of the main platform and at the bottom of the fork sleeper seat, supporting wheels are fixedly arranged at the bottoms of two sides of the fork sleeper seat group, lock fixing seats are arranged at the left side and the right side of the top of the fork sleeper seat group, guide rails are arranged at the two sides of the back of the fork sleeper seat group, a sliding block is arranged on the front face of the guide rails, a slewing bearing is arranged at the center of the back of the fork sleeper seat group, mechanical limit is arranged on the right side of the front face of the fork sleeper seat group, a fork sleeper lock is arranged at the two sides of the top of the fork sleeper seat group, a steel rail lock is arranged at the middle of the top of the right side of the main platform, and a rotary oil cylinder is arranged at the bottom of the left side of the main platform;
the hand-operated pump stations are fixedly arranged on two sides of the top of the main platform;
the platform steel structure is arranged in the main platform, a plurality of slewing bearings are arranged on the front surface of the platform steel structure, mechanical locking is arranged at the top and the bottom of the front surface of the platform steel structure, and slewing cylinder mounting seats are arranged at the right side of the top and the left side of the bottom of the front surface of the platform steel structure;
the sliding block and sliding rail connection is arranged at two sides of the bottom of the switch tie seat group, a pulling plate and sliding block connection is arranged at the outer side of the sliding block and sliding rail connection, and an oil cylinder pulling plate connection is arranged at the tail end of the pulling plate and sliding block connection;
the sliding rail is arranged in the switch tie seat, the two sides of the surface of the sliding rail are both slidably connected with first sliding blocks, pulleys are arranged in the first sliding blocks, steel rail bearing seats are arranged at the tops of the first sliding blocks, protective covers are arranged at the tops of the steel rail bearing seats, and jacks are arranged at the lower parts of the steel rail bearing seats.
Preferably, the working boxes are fixedly arranged on two sides of the top of the main platform.
Preferably, both ends of the sliding rail are fixedly provided with sliding rail ends.
Preferably, the jacking device comprises a jacking device lower base, an oil cylinder piston rod is fixedly arranged at the top of the jacking device lower base, and an jacking device upper seat plate is fixedly arranged at the top of the oil cylinder piston rod.
Preferably, the two sides of the top of the main platform are fixedly provided with the protective baffles.
Preferably, jacking device mounting holes are formed in two sides of the front face of the platform steel structure.
Preferably, a fixing plate is arranged in the working box, and dividing lines are formed in the periphery of the fixing plate.
Preferably, limit belts are fixedly arranged on the periphery of the front face of the fixing plate.
Preferably, a box cover is arranged at the top of the working box.
Preferably, both sides of the bottom of the case cover are fixedly provided with lock catches.
Compared with the related art, the railway fork rear sleeper transfer operation device provided by the utility model has the following beneficial effects:
the utility model provides a railway switch rear sleeper transfer operation device, which has higher alignment precision of integral equipment and meets the requirement of the assembly precision of a switch sleeper; the transfer and assembly functions of 4 steel rails with the length of maximum 10m and the transfer and assembly functions of 13 turnout long sleepers with the length of maximum 4.8m are met; the rail and the rear sleeper of the fork are provided with a reliable fixing device in the transportation process; the profile of the operating device in the transportation state meets the locomotive limit requirement.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a railway switch rear bolster transfer operation device according to the present utility model;
FIG. 2 is a schematic structural view of the overall structure of FIG. 1 in an expanded configuration;
FIG. 3 is a schematic structural view of the main platform steel structure shown in FIG. 1;
FIG. 4 is a schematic view of the bifurcated pillow of FIG. 1;
FIG. 5 is a side view of the switch tie seat of FIG. 1;
FIG. 6 is a schematic diagram of a switch tie seat assembly of FIG. 1;
FIG. 7 is a schematic view of the skid steer carriage of FIG. 1;
FIG. 8 is a schematic view of the jacking device shown in FIG. 1;
fig. 9 is a schematic structural view of a second embodiment of a railway switch rear bolster transfer operation device according to the present utility model;
FIG. 10 is a schematic view of the unfolded structure of the fixing plate shown in FIG. 9;
fig. 11 is a schematic structural view of a third embodiment of a railway switch rear bolster transfer operation device according to the present utility model;
fig. 12 is an enlarged schematic view at a shown in fig. 11.
Reference numerals in the drawings: 1. the working box, 2, the protective baffle, 3, the fork sleeper seat, 4, the sliding trolley, 5, the jacking device, 6, the fork sleeper lockset, 7, the rail lockset, 8, the main platform, 9, the rotary cylinder, 10, the hand pump station, 11, the second rotary support, 12, the mechanical lock, 13, the jacking device mounting hole, 14, the platform steel structure, 15, the rotary cylinder mounting seat, 16, the fork sleeper seat group, 17, the supporting wheel, 18, the sliding block, 19, the guide rail, 20, the rotary support, 21, the mechanical limit, 22, the lockset fixing seat, 23, the sliding block sliding rail connection, 24, the pulling plate sliding block connection, 25, the cylinder pulling plate connection, 26, the sliding rail, 27, the sliding rail end, 28, the first sliding block, 29, the rail bearing seat, 30, the pulley, 31, the jack, 32, the protective cover, 33, the jacking device lower base, 34, the cylinder piston rod, 35 and the jacking device upper base plate,
36. a fixing plate, 37, a box cover, 38, a lock catch, 39, a parting line, 40 and a limit belt,
41. first magnetic plate, 42, second magnetic plate.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a railway switch back sleeper transferring device according to the present utility model;
FIG. 2 is a schematic structural view of the overall structure of FIG. 1 in an expanded configuration; FIG. 3 is a schematic structural view of the main platform steel structure shown in FIG. 1; FIG. 4 is a schematic view of the bifurcated pillow of FIG. 1; FIG. 5 is a side view of the switch tie seat of FIG. 1; FIG. 6 is a schematic diagram of a switch tie seat assembly of FIG. 1; FIG. 7 is a schematic view of the skid steer carriage of FIG. 1; fig. 8 is a schematic structural view of the jacking device shown in fig. 1. A railway switch back bolster transfer work device comprising: a main platform 8; the fork sleeper seat 3, fork sleeper seat 3 set up in the central region at main platform 8 top, the top of fork sleeper seat 3 is provided with the dolly 4 that slides, the top of main platform 8 just is located be provided with jacking device 5 in the clearance of fork sleeper seat 3, the top of main platform 8 just is located the bottom of fork sleeper seat 3 is provided with arm-tie slider connection 24, the bottom of fork sleeper seat group 16 both sides is all fixed mounting has supporting wheel 17, the left and right sides at fork sleeper seat group 16 top is provided with tool to lock fixing base 22, the both sides at the back of fork sleeper seat group 16 all set up guide rail 19, the front of guide rail 19 is provided with slider 18, the back center department of fork sleeper seat group 16 is provided with slewing bearing 20, the right side of fork sleeper seat group 16 front is provided with mechanical limiting 21, the both sides at fork sleeper seat group 16 top all are provided with rail lock 7, the bottom of the top of main platform 8 right side and the bottom of left side are provided with slewing cylinder 9.
The hand-operated pump stations 10 are fixedly arranged on two sides of the top of the main platform 8;
the platform steel structure 14 is arranged in the main platform 8, a plurality of slewing bearings 11 are arranged on the front surface of the platform steel structure 14, mechanical locks 12 are arranged on the top and the bottom of the front surface of the platform steel structure 14, and slewing cylinder mounting seats 15 are arranged on the right side of the top and the left side of the bottom of the front surface of the platform steel structure 14;
the sliding block and sliding rail connection 23, wherein the sliding block and sliding rail connection 23 is arranged at two sides of the bottom of the switch tie seat group 16, a pulling plate and sliding block connection 24 is arranged at the outer side of the sliding block and sliding rail connection 23, and an oil cylinder pulling plate connection 25 is arranged at the tail end of the pulling plate and sliding block connection 24;
the slide rail 26, slide rail 26 set up in the inside of switch tie seat 3, the both sides on slide rail 26 surface all sliding connection has first slider 28, the inside of first slider 28 is provided with pulley 30, the top of first slider 28 is provided with rail and bears seat 29, the top of rail bears seat 29 is provided with protection casing 32, the lower part of rail bears seat 29 is provided with jack 31.
The two sides of the top of the main platform 8 are fixedly provided with the working boxes 1.
Both ends of the sliding rail 26 are fixedly provided with sliding rail ends 27.
The transportation and pre-paving work of all materials of the long sleeper after the number 9 turnout and the number 12 turnout can be met, and the hand-operated pump station 10 is used as a power source of each mechanism; the lifting device 5 lifts the whole steel rail and breaks away from the upper plane of the switch tie, and the hand pump drives the hydraulic cylinder to drive the switch tie seat group 16 to do rotary motion so as to complete the positioning of the switch tie; the positioning of the steel rail is completed by operating the sliding trolley, no additional power source is needed in the assembly process, and the working efficiency is high
The jacking device 5 comprises a jacking device lower base 33, an oil cylinder piston rod 34 is fixedly arranged at the top of the jacking device lower base 33, and a jacking device upper seat plate 35 is fixedly arranged at the top of the oil cylinder piston rod 34.
Both sides at the top of the main platform 8 are fixedly provided with protective baffles 2.
Jacking device mounting holes 13 are formed in two sides of the front face of the platform steel structure 14.
The utility model provides a railway fork rear sleeper transfer operation device, which has the following working principle:
the main platform 8 is formed by welding sectional materials and steel plates, fifteen second slewing bearings 11 are arranged in the middle of the platform, a pull plate guide groove is formed in each of two sides of the platform, a fork sleeper seat 3 is arranged on each second slewing bearing 11, and steel rail protection baffles 2 are respectively arranged at two ends of the main platform 8;
the fork sleeper seat 3 is formed by adopting steel plate assembly welding, the three sides are provided with coamings, one side is open, and the fork sleeper seat 3 can do rotary motion around the center under the action of the second rotary support 11 at the bottom; two sides of the bottom of the bifurcated pillow seat 3 are respectively provided with a pair of supporting wheels 17, and the paths of the two pairs of supporting wheels 17 are on the same circumference; two guide rails 19 are respectively arranged on two sides of the bottom of the switch sleeper seat 3, a certain included angle is formed between the guide rails 19 and the longitudinal axis of the switch sleeper seat 3, and a sliding block 18 is arranged on the guide rails 19. All the sliding blocks 18 of the forked pillow seat 3 are connected with the pulling plate pin shafts on the two sides.
The linkage of fifteen switch tie seats 3 can be realized by driving the pulling plate through the rotary oil cylinder 9, and a lock fixing seat 22 is arranged on the coaming of the switch tie seats 3 and is used for fixing the steel rail and the switch tie locks 6;
the device is provided with two pulleys for placing steel rails, the pulley slide rail 26 can be installed in the sleeper seat 3 of any fork by bolts, the placing requirements of steel rails with different lengths are met, the pulleys are provided with jacks 31, and the lifting of the steel rails and the displacement adjustment along the direction of the slide rail 26 can be realized by manual assistance; 4 rollers are arranged on the seat plate at the top of the pulley, and the steel rail can be longitudinally and finely adjusted in displacement;
the middle part of the main platform 8 is provided with two jacking devices 5, the jacking devices 5 are fixed with the main platform 8 by bolts, and mainly comprise an oil cylinder piston rod, an upper base and a lower base, 4 steel rails can be borne side by side, and under the driving of a hand-operated pump station 10, the 4 steel rails can be lifted and separated from the upper surface of a switch sleeper simultaneously.
Compared with the related art, the railway fork rear sleeper transfer operation device provided by the utility model has the following beneficial effects:
the whole equipment has higher alignment precision, and meets the requirement of the assembly precision of the turnout sleeper; the transfer and assembly functions of 4 steel rails with the length of maximum 10m and the transfer and assembly functions of 13 turnout long sleepers with the length of maximum 4.8m are met; the rail and the rear sleeper of the fork are provided with a reliable fixing device in the transportation process; the profile of the working device in the transportation state meets the locomotive limit.
Second embodiment
Referring to fig. 9 and 10 in combination, another railway switch rear bolster transfer operation device is provided according to a second embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides a railway switch back sleeper transfer operation device, which is different in that, a railway switch back sleeper transfer operation device, the inside of the working box 1 is provided with a fixing plate 36, and dividing lines 39 are all opened around the fixing plate 36.
Limiting straps 40 are fixedly arranged on the periphery of the front face of the fixing plate 36.
The top of the working box 1 is provided with a box cover 37.
Both sides of the bottom of the case cover 37 are fixedly provided with a lock catch 38.
The catch 38 is able to secure its cover 37 to the top of the work box 1.
The fixing plate 36 is folded along the position of the dividing line 39 to be rectangular to fit the space inside the working chamber 1, so that it can be placed inside the working chamber 1, and the working chamber 1 is restrained from being opened, and the tool can be restrained to the fixing plate 36 by the restraining band 40.
The utility model provides a railway fork rear sleeper transfer operation device, which has the following working principle:
when a worker needs to take tools inside the work box 1, the worker can remove the box cover 37 from the top of the work box 1 by opening the latches 38 on both sides of the box cover 37, thereby losing the interaction between the box cover 37 and the work box 1.
Then, the fixing plate 36 can be manually pulled upwards to take out the fixing plate 36 from the interior of the working box 1, and as the dividing lines 39 are formed around the interior of the fixing plate 36 and the fixing plate 36 is in a folded state when being positioned in the interior of the working box 1, the dividing lines 39 are in a butt joint state, when the fixing plate is taken out, the restriction of the working box 1 on the fixing plate 36 is lost, so that the fixing plate 36 is unfolded and spread on the ground, and a worker can conveniently take a tool fixed by the limiting belt 40.
Compared with the related art, the railway fork rear sleeper transfer operation device provided by the utility model has the following beneficial effects:
through the mutual cooperation between the structures such as the fixed plate 36, the box cover 37, the lock catch 38, the parting line 39 and the limiting belt 40, the fixed plate 36 is directly taken out from the inside of the working box 1 and is unfolded, so that the operation of taking tools by workers can be facilitated, and the tools are in a tidy state.
Third embodiment
Referring to fig. 11 and 12 in combination, another railway switch rear bolster transfer operation device is provided according to a third embodiment of the present application. The third embodiment is merely a preferred manner of the first embodiment, and implementation of the third embodiment does not affect the implementation of the first embodiment alone.
Specifically, the third embodiment of the present application provides a railway switch back sleeper transfer operation device, which is characterized in that, in the railway switch back sleeper transfer operation device, two sides of the fixed plate 36 are provided with a first magnetic plate 41, the outer side of the first magnetic plate 41 is provided with a second magnetic plate 42, and the second magnetic plate 42 is fixedly connected with one end of the outer side of the other fixed plate 36.
The first magnetic plate 41 and the second magnetic plate 42 are installed at positions of folding lines opened around the inside of the fixed plate 36, and the folding lines are not connected to each other.
The first magnetic plate 41 and the second magnetic plate 42 can be mutually attached to generate magnetic attraction force, and the magnetic attraction force is strong, so that the fixing plate 36 can be folded to perform state limiting operation.
The utility model provides a railway fork rear sleeper transfer operation device, which has the following working principle:
the fixing plate 36 is folded, and after folding, the folded position of the abutting part is fixed by the magnetic attraction generated by the mutual adhesion between the first magnetic plate 41 and the second magnetic plate 42, so that the folded state of the fixing plate 36 is fixed.
Compared with the related art, the railway fork rear sleeper transfer operation device provided by the utility model has the following beneficial effects:
the first magnetic plate 41 and the second magnetic plate 42 are matched with each other, so that when the fixed plate 36 is folded, the fixed plate 36 can be in a stable state after being folded through mutual magnetic attraction between the first magnetic plate 41 and the second magnetic plate 42, and therefore the rectangular structure with the upper opening is convenient for accommodating.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A railway turnout rear bolster transfer operation device, comprising: a main platform;
the fork sleeper seat is arranged in the central area of the top of the main platform, a sliding trolley is arranged at the top of the fork sleeper seat, a jacking device is arranged at the top of the main platform and in a gap of the fork sleeper seat, a pulling plate sliding block is arranged at the top of the main platform and at the bottom of the fork sleeper seat, supporting wheels are fixedly arranged at the bottoms of two sides of the fork sleeper seat group, lock fixing seats are arranged at the left side and the right side of the top of the fork sleeper seat group, guide rails are arranged at the two sides of the back of the fork sleeper seat, a sliding block is arranged at the front of the guide rails, a slewing bearing is arranged at the center of the back of the fork sleeper seat group, mechanical limit is arranged at the right side of the front of the fork sleeper seat group, a steel rail lock is arranged at the middle of the top of the fork sleeper seat group, and slewing cylinders are arranged at the top of the right side and the bottom of the left side of the main platform;
the hand-operated pump stations are fixedly arranged on two sides of the top of the main platform;
the platform steel structure is arranged in the main platform, a plurality of slewing bearings are arranged on the front surface of the platform steel structure, mechanical locking is arranged at the top and the bottom of the front surface of the platform steel structure, and slewing cylinder mounting seats are arranged at the right side of the top and the left side of the bottom of the front surface of the platform steel structure;
the sliding block and sliding rail connection is arranged at two sides of the bottom of the switch tie seat group, a pulling plate and sliding block connection is arranged at the outer side of the sliding block and sliding rail connection, and an oil cylinder pulling plate connection is arranged at the tail end of the pulling plate and sliding block connection;
the sliding rail is arranged in the switch tie seat, the two sides of the surface of the sliding rail are both slidably connected with first sliding blocks, pulleys are arranged in the first sliding blocks, steel rail bearing seats are arranged at the tops of the first sliding blocks, protective covers are arranged at the tops of the steel rail bearing seats, and jacks are arranged at the lower parts of the steel rail bearing seats.
2. The railway switch rear bolster transfer operation device according to claim 1, wherein working boxes are fixedly arranged on two sides of the top of the main platform.
3. The railway switch rear bolster transfer operation device according to claim 1, wherein both ends of the slide rail are fixedly provided with slide rail ends.
4. The railway turnout rear bolster transferring operation device according to claim 1, wherein the jacking device comprises a jacking device lower base, an oil cylinder piston rod is fixedly arranged at the top of the jacking device lower base, and a jacking device upper seat plate is fixedly arranged at the top of the oil cylinder piston rod.
5. The railway switch rear bolster transfer operation device according to claim 1, wherein the two sides of the top of the main platform are fixedly provided with protection baffles.
6. The railway switch rear bolster transfer operation device according to claim 1, wherein jacking device mounting holes are formed in two sides of the front face of the platform steel structure.
7. The railway switch rear sleeper transfer operation device according to claim 2, wherein a fixing plate is arranged in the working box, and dividing lines are formed in the periphery of the fixing plate.
8. The railway switch rear bolster transfer operation device according to claim 7, wherein limiting belts are fixedly arranged on the periphery of the front face of the fixing plate.
9. The railway switch rear bolster transfer operating device of claim 8, wherein a top of the working box is provided with a box cover.
10. The railway switch rear bolster transfer operating device according to claim 9, wherein the two sides of the bottom of the box cover are fixedly provided with lock catches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132077.3U CN219297875U (en) | 2022-11-24 | 2022-11-24 | Railway fork rear sleeper transfer operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132077.3U CN219297875U (en) | 2022-11-24 | 2022-11-24 | Railway fork rear sleeper transfer operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219297875U true CN219297875U (en) | 2023-07-04 |
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ID=86957029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223132077.3U Active CN219297875U (en) | 2022-11-24 | 2022-11-24 | Railway fork rear sleeper transfer operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219297875U (en) |
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2022
- 2022-11-24 CN CN202223132077.3U patent/CN219297875U/en active Active
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