CN112627633B - Automatic installation equipment of black silk thorn rope on railway guardrail - Google Patents
Automatic installation equipment of black silk thorn rope on railway guardrail Download PDFInfo
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- CN112627633B CN112627633B CN202110056943.6A CN202110056943A CN112627633B CN 112627633 B CN112627633 B CN 112627633B CN 202110056943 A CN202110056943 A CN 202110056943A CN 112627633 B CN112627633 B CN 112627633B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/26—Devices for erecting or removing fences
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Abstract
The invention discloses automatic installation equipment of a black silk thorn rope on a railway guardrail, which comprises an installation box, wherein a storage cavity with a left opening is arranged in the installation box, a first supporting rod is fixedly arranged on the inner wall of the right side of the storage cavity, a first chute cavity with a downward opening is arranged in the first supporting rod, a first sliding block is slidably arranged in the first chute cavity, and a triggering device and a fixing device are arranged on the lower end face of the first sliding block.
Description
Technical Field
The invention relates to the field of railway construction equipment, in particular to automatic installation equipment for a black silk thorn rope on a railway guardrail.
Background
The railway guardrail net is an important traffic infrastructure, the safety and the practicability are more strict in requirements, the railway is provided with the guardrail for prohibiting people from crossing the railway, however, the existing railway guardrail has the defects of imperfect functions and easy climbing, in order to further strengthen the safety of the guardrail, a black silk thorn rope is usually arranged at the top of the guardrail, people are prevented from crossing, but because the blade on the surface of the black silk thorn rope can cause accidental injury to construction, and the construction laying efficiency is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing automatic installation equipment for a black silk thorn rope on a railway guardrail, and the equipment overcomes the situation.
The invention is realized by the following technical scheme.
The invention relates to automatic installation equipment of a black silk thorn rope on a railway guardrail, which comprises an installation box, wherein a storage cavity with a left opening is arranged in the installation box, a first supporting rod is fixedly arranged on the inner wall of the right side of the storage cavity, a first chute cavity with a downward opening is arranged in the first supporting rod, a first sliding block is slidably arranged in the first chute cavity, and a triggering device and a fixing device are arranged on the lower end face of the first sliding block;
the fixing device is fixedly connected to a first sliding rod of the lower end face of the first sliding block, a first sliding cavity with a downward opening is formed in the first sliding rod, a second sliding rod is connected in the first sliding cavity in a sliding mode, a first spring and a first traction rope are fixedly connected to the upper end face of the second sliding rod, a first telescopic motor second track cavity is fixedly formed in the lower end face of the second sliding rod, a first telescopic motor shaft is fixedly arranged on the lower end face of the first telescopic motor second track cavity, a steel wire box is fixedly arranged on the lower end face of the first telescopic motor shaft, a winding base is fixedly arranged on the lower end face of the first telescopic motor shaft, a first electric sliding rail with a downward opening is arranged in the winding base, a first track block is fixedly arranged on the lower end face of the first electric sliding rail, a first track block is arranged in the first track block, a first track cavity with an inward opening is formed in the first track block, an electric hinge is symmetrically arranged on the first track block, a second track motor shaft is fixedly arranged on the second track block, a first track block is fixedly arranged in the second track block, a first track cavity is fixedly arranged in the first track block, a first track cavity is formed in the first track block, a first track cavity is fixedly arranged in the first track cavity, and a first track cavity is communicated with the first track cavity, and a first cavity is fixedly rotating cavity, and a first cavity is formed in the first cavity, and a first cavity rotating cavity, and a first cavity is fixedly rotating cavity, and a first cavity is formed rotating cavity and a first cavity. The first straight gear is meshed with the outer wall of the winding block;
preferably, the triggering device comprises a first rotating shaft fixed on the second sliding rod, a first rotating base is rotatably connected on the first rotating shaft, a cam is fixedly arranged on the rear end face of the first rotating base, a triggering block is fixedly arranged on the right end face of the first rotating base, a triggering cavity with a rightward opening is arranged in the triggering block, a penetrating rotating cavity is formed in the inner wall of the lower side of the triggering cavity, a second rotating shaft is fixedly arranged on the rear end face of the rotating cavity, a rotating plate is rotatably arranged on the second rotating shaft, a first torsion spring is arranged between the rotating plate and the second rotating shaft, a sliding plate is slidably connected in the triggering cavity, and a rack and a second spring are fixedly arranged on the left end face of the sliding plate.
Preferably, a meshing cavity is formed in the first rotating base, a third rotating shaft is fixedly arranged on the inner wall of the rear side of the meshing cavity, a second spur gear is connected to the third rotating shaft in a rotating mode, the second spur gear is meshed with the first rotating shaft, a rack stretches into the meshing cavity, and the rack is meshed with the second spur gear.
Preferably, a first bolt cavity with a backward opening is formed in the rotating plate, a second bolt cavity with a forward opening is formed in the inner wall of the rear side of the rotating cavity, a first electromagnet is fixedly arranged on the inner wall of the rear side of the second bolt cavity, a first bolt block is connected in the second bolt cavity in a sliding mode, a first iron block and a third spring are fixedly arranged on the rear end face of the first bolt block, and the first iron block stretches into the first bolt cavity.
Preferably, a third bolt cavity with an upward opening is arranged in the first sliding block, a second bolt block is connected in the third bolt cavity in a sliding mode, a fourth spring and a first traction rope are fixedly arranged on the lower end face of the second bolt block, a fourth bolt cavity with a downward opening is arranged on the inner wall of the upper side of the first sliding groove cavity, the second bolt block stretches into the fourth bolt cavity, and a fifth spring is fixedly arranged on the right end face of the first sliding block.
Preferably, a second supporting rod is fixedly arranged on the right inner wall of the storage cavity, a black silk thorn rope is installed to enter the storage cavity, the first supporting rod penetrates through the circle center of the black silk thorn rope, and one side of the black silk thorn rope is placed on the upper side of the second supporting rod.
Preferably, a steel wire cavity is formed in the steel wire box, a fourth rotating shaft is fixedly arranged on the inner wall of the rear side of the steel wire cavity, a steel wire disc is rotatably arranged on the fourth rotating shaft, a fixed steel wire is arranged on the steel wire disc, a steel wire pushing cutter is arranged between the steel wire cavity and the third track cavity, and the fixed steel wire is inserted into the steel wire pushing cutter.
The invention has the beneficial effects that: in the use process, only the black silk thorn rope is required to be prevented from being arranged in the device, one end of the black silk thorn rope is fixed on the guardrail, then the equipment is started and driven to move, the equipment can automatically identify the lowest end part of the black silk thorn rope and is wound and fixed with the guardrail through iron wires according to the stretching characteristic of the black silk thorn rope, the automation degree of the equipment is extremely high, manual participation is not required in the construction process, accidental injury caused by installation is avoided, and meanwhile, the construction and laying efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the direction A-A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the B-B direction in FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a schematic view of the C-C direction of FIG. 1 in accordance with an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The automatic installation equipment for the black silk thorn rope on the railway guardrail is described with reference to fig. 1-4, and comprises an installation box 10, wherein a storage cavity 11 with a left opening is arranged in the installation box 10, a first supporting rod 13 is fixedly arranged on the inner wall of the right side of the storage cavity 11, a first chute cavity 14 with a downward opening is arranged in the first supporting rod 13, a first sliding block 15 is arranged in the first chute cavity 14 in a sliding manner, and a triggering device 90 and a fixing device 91 are arranged on the lower end face of the first sliding block 15;
the fixing device 91 is fixedly connected to the first sliding rod 22 at the lower end surface of the first sliding block 15, a first sliding cavity 68 with a downward opening is arranged in the first sliding rod 22, a second sliding rod 24 is connected in a sliding manner in the first sliding cavity 68, a first spring 23 and a first traction rope 20 are fixedly connected to the upper end surface of the second sliding rod 24, a first telescopic motor second track cavity 58 is fixedly arranged at the lower end surface of the second sliding rod 24, a first telescopic motor shaft 59 is fixedly arranged at the lower end surface of the first telescopic motor second track cavity 58, a steel wire box 39 is fixedly arranged at the lower end surface of the first telescopic motor shaft 59, a winding base 45 is fixedly arranged at the lower end surface of the first telescopic motor shaft 59, a first electric sliding rail 46 with a downward opening is arranged in the winding base 45, a first electric sliding rail 47 is symmetrically and slidingly connected with the first telescopic motor shaft 59, the lower end surface of the first electric sliding block 47 is fixedly provided with a first track block 54, a first track cavity 55 with an inward opening is arranged in the first track block 54, electric hinges 56 are symmetrically arranged on the first track block 54 relative to the steel wire box 39, a second track block 57 is arranged on the electric hinges 56, a first telescopic motor second track cavity 58 with an inward opening is arranged in the second track block 57, the winding base 45 is rotationally connected with the winding block 48, a third track cavity 49 penetrating through the winding block 48 is arranged in the winding block 48, the third track cavity 49 is communicated with the first track cavity 55, the first telescopic motor second track cavity 58 can be communicated with the first track cavity 55, a motor cavity 50 is arranged in the winding base 45, a first rotary motor 51 is fixedly arranged on the inner wall of the lower side of the motor cavity 50, a first rotary motor shaft 52 is fixedly arranged on the upper end surface of the first rotary motor 51, a first straight gear 53 is fixedly arranged on the first rotary motor shaft 52, and the first straight gear 53 is meshed with the outer wall of the winding block 48;
advantageously, the triggering device 90 includes a first rotating shaft 54 fixed on the second sliding rod 24, a first rotating base 33 is rotatably connected on the first rotating shaft 54, a cam 35 is fixedly arranged on the rear end surface of the first rotating base 33, a triggering block 25 is fixedly arranged on the right end surface of the first rotating base 33, a triggering cavity 26 with an opening to the right is arranged in the triggering block 25, a penetrating rotating cavity 60 is arranged on the inner wall of the lower side of the triggering cavity 26, a second rotating shaft 30 is fixedly arranged on the rear end surface of the rotating cavity 60, a rotating plate 32 is rotatably arranged on the second rotating shaft 30, a first torsion spring 31 is arranged between the rotating plate 32 and the second rotating shaft 30, a sliding plate 27 is slidably connected in the triggering cavity 26, and a rack 28 and a second spring 29 are fixedly arranged on the left end surface of the sliding plate 27.
Advantageously, an engagement cavity 38 is provided in the first rotating base 33, a third rotating shaft 36 is fixedly provided on the inner wall of the rear side of the engagement cavity 38, a second spur gear 37 is rotatably connected to the third rotating shaft 36, the second spur gear 37 is engaged with the first rotating shaft 54, the rack 28 extends into the engagement cavity 38, and the rack 28 is engaged with the second spur gear 37.
Advantageously, a first latch cavity 66 with a backward opening is provided in the rotating plate 32, a second latch cavity 62 with a forward opening is provided on the inner wall of the rear side of the rotating cavity 60, a first electromagnet 61 is fixedly provided on the inner wall of the rear side of the second latch cavity 62, a first latch block 65 is slidably connected in the second latch cavity 62, a first iron block 64 and a third spring 63 are fixedly provided on the rear end surface of the first latch block 65, and the first iron block 64 extends into the first latch cavity 66.
The first sliding block 15 is internally provided with a third bolt cavity 18 with an upward opening, a second bolt block 17 is slidably connected in the third bolt cavity 18, a fourth spring 19 and a first traction rope 20 are fixedly arranged on the lower end face of the second bolt block 17, the inner wall of the upper side of the first sliding groove cavity 14 is provided with a fourth bolt cavity 16 with a downward opening, the second bolt block 17 extends into the fourth bolt cavity 16, and a fifth spring 21 is fixedly arranged on the right end face of the first sliding block 15.
The storage cavity 11 is characterized in that a second supporting rod 12 is fixedly arranged on the right inner wall of the storage cavity 11, a black silk thorn rope is installed to enter the storage cavity 11, the first supporting rod 13 penetrates through the circle center of the black silk thorn rope, and the black silk thorn rope is placed on the upper side of the second supporting rod 12.
Advantageously, a wire cavity 40 is provided in the wire box 39, a fourth rotating shaft 41 is fixedly provided on the inner wall of the rear side of the wire cavity 40, a wire disc 43 is rotatably provided on the fourth rotating shaft 41, a fixed wire 42 is provided on the wire disc 43, a wire pushing cutter 44 is provided between the wire cavity 40 and the third rail cavity 49, and the fixed wire 42 is inserted into the wire pushing cutter 44.
In the initial state, the second spring 29 is in a normal state, the fifth spring 21 is in a normal state, the first spring 23 is in a normal state, the third spring 63 is in a normal state, and the fourth spring 19 is in a normal state.
The using method comprises the following steps: the device is arranged on a guardrail side moving vehicle, the device is fixedly hung at the upper end of the guardrail, then a black silk thorn rope is arranged, one end of the black silk thorn rope is fixed at the top of the guardrail, then the device is started, as who moves along with the vehicle, the black silk thorn rope is pulled out of the storage cavity 11, when the lowest end passes through the triggering cavity 26 in the process of pulling out the black silk thorn rope, the black silk thorn rope drives the sliding plate 27 to move, the sliding plate 27 moves to drive the rack 28 to move, the rack 28 moves to drive the second spur gear 37 to rotate, the second spur gear 37 rotates to drive the first rotating base 33 to rotate around the first rotating shaft 54, the first rotating shaft 54 rotates to drive the cam 35 to rotate, the cam 35 rotates to collide with the first sliding rod 22, then the first rotating shaft 54 moves downwards to drive the second sliding rod 24 to move, the second sliding rod 24 moves to drag the first traction rope 20 to drive the second plug block 17 to move, so that the second plug block 17 is pulled out of the fourth plug cavity 16, then the first telescopic motor second track cavity 58 starts to control the first telescopic motor shaft 59 to move, the first telescopic motor shaft 59 moves to drive the steel wire box 39 to move, the steel wire box 39 moves to drive the winding base 45 to move, the winding base 45 moves to drive the first track block 54 to move, the first track block 54 moves to drive the electric hinge 56 to move, the electric hinge 56 moves to drive the second track block 57 to move, then the electric hinge 56 starts to drive the second track block 57 to rotate, the second track block 57 and the first telescopic motor second track cavity 58 are closed, then the first electric sliding block 47 starts to control the first track block 54 to move to close two sides, the black silk thorn rope and the upper end of the guardrail are closed in a circle together, after closing, the wire pushing cutter 44 starts to convey the fixed wire 42 for one circle through the first track cavity 55 and the first telescopic motor second track cavity 58, then the electric hinge 56 and the first electric sliding block 47 are restored to the original positions when started, then the wire pushing cutter 44 cuts the fixed wire 42 short, the first rotating motor 51 starts to control the rotation of the first rotating motor shaft 52, the rotation of the first rotating motor shaft 52 drives the first straight gear 53 to rotate, the rotation of the first straight gear 53 drives the winding block 48, the rotation of the winding block 48 drives the two ends of the iron wire to rotate, the iron wire is wound and fastened, the first telescopic motor second track cavity 58 starts to control the movement of the first telescopic motor shaft 59, the movement of the first telescopic motor shaft 59 drives the fixing device 91 to move upwards, then the first electromagnet 61 is electrified to attract the movement of the first iron block 64, the movement of the first iron block 64 drives the first bolt block 65 to move, the first latch block 65 is moved to be pulled out from the first latch cavity 66, then the rotating cavity 60 is moved, so that the black silk thread rope is removed from the triggering cavity 26, then the sliding plate 27 is moved under the resilience force of the second spring 29, the sliding plate 27 is moved to drive the rack 28 to move, the rack 28 is moved to drive the second spur gear 37 to rotate, the second spur gear 37 is rotated to drive the first rotating base 33 to rotate, the first rotating base 33 is rotated to drive the triggering device 90 to rotate to restore to the original position, then after the triggering device 90 loses the force of the black silk thread rope, the first slider 15 returns to the original position under the force of the fifth spring 21, the second latch block 17 is inserted into the fourth latch cavity 16 under the resilience force of the fourth spring 19, when the lowest end passes through the triggering cavity 26 in the process of pulling out the black silk thread rope, the above process is repeated, until the laying of the black silk thorn rope is completed.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (1)
1. Automatic installation equipment of black silk thorn rope on railway guardrail, including the mounting box, its characterized in that: a storage cavity with a left opening is formed in the mounting box, a first supporting rod is fixedly arranged on the inner wall of the right side of the storage cavity, a first chute cavity with a downward opening is formed in the first supporting rod, a first sliding block is slidably arranged in the first chute cavity, and a triggering device and a fixing device are arranged on the lower end face of the first sliding block; the fixing device is fixedly connected to a first sliding rod of the lower end face of the first sliding block, a first sliding cavity with a downward opening is formed in the first sliding rod, a second sliding rod is connected in the first sliding cavity in a sliding mode, a first spring and a first traction rope are fixedly connected to the upper end face of the second sliding rod, a first telescopic motor second track cavity is fixedly formed in the lower end face of the second sliding rod, a first telescopic motor shaft is fixedly arranged on the lower end face of the first telescopic motor second track cavity, a steel wire box is fixedly arranged on the lower end face of the first telescopic motor shaft, a winding base is fixedly arranged on the lower end face of the first telescopic motor shaft, a first electric sliding rail with a downward opening is arranged in the winding base, a first track block is fixedly arranged on the lower end face of the first electric sliding rail, a first track block is arranged in the first track block, a first track cavity with an inward opening is formed in the first track block, an electric hinge is symmetrically arranged on the first track block, a second track motor shaft is fixedly arranged on the second track block, a first track block is fixedly arranged in the second track block, a first track cavity is fixedly arranged in the first track block, a first track cavity is formed in the first track block, a first track cavity is fixedly arranged in the first track cavity, and a first track cavity is communicated with the first track cavity, and a first cavity is fixedly rotating cavity, and a first cavity is formed in the first cavity, and a first cavity rotating cavity, and a first cavity is fixedly rotating cavity, and a first cavity is formed rotating cavity and a first cavity. The first straight gear is meshed with the outer wall of the winding block; the triggering device comprises a first rotating shaft fixed on the second sliding rod, a first rotating base is rotatably connected to the first rotating shaft, a cam is fixedly arranged on the rear end face of the first rotating base, a triggering block is fixedly arranged on the right end face of the first rotating base, a triggering cavity with a rightward opening is arranged in the triggering block, a penetrating rotating cavity is formed in the inner wall of the lower side of the triggering cavity, a second rotating shaft is fixedly arranged on the rear end face of the rotating cavity, a rotating plate is rotatably arranged on the second rotating shaft, a first torsion spring is arranged between the rotating plate and the second rotating shaft, a sliding plate is slidably connected in the triggering cavity, and a rack and a second spring are fixedly arranged on the left end face of the sliding plate; a meshing cavity is formed in the first rotating base, a third rotating shaft is fixedly arranged on the inner wall of the rear side of the meshing cavity, a second spur gear is connected to the third rotating shaft in a rotating mode, the second spur gear is meshed with the first rotating shaft, the rack stretches into the meshing cavity, and the rack is meshed with the second spur gear; a first bolt cavity with a backward opening is formed in the rotating plate, a second bolt cavity with a forward opening is formed in the inner wall of the rear side of the rotating cavity, a first electromagnet is fixedly arranged on the inner wall of the rear side of the second bolt cavity, a first bolt block is connected in a sliding manner in the second bolt cavity, a first iron block and a third spring are fixedly arranged on the rear end face of the first bolt block, and the first iron block stretches into the first bolt cavity; a third bolt cavity with an upward opening is formed in the first sliding block, a second bolt block is connected in the third bolt cavity in a sliding manner, a fourth spring and a first traction rope are fixedly arranged on the lower end face of the second bolt block, a fourth bolt cavity with a downward opening is formed in the inner wall of the upper side of the first sliding groove cavity, the second bolt block stretches into the fourth bolt cavity, and a fifth spring is fixedly arranged on the right end face of the first sliding block; a second supporting rod is fixedly arranged on the inner wall of the right side of the storage cavity, a black silk thorn rope is installed to enter the storage cavity, the first supporting rod penetrates through the circle center of the black silk thorn rope, and one side of the black silk thorn rope is placed on the upper side of the second supporting rod; the steel wire box is internally provided with a steel wire cavity, the inner wall of the rear side of the steel wire cavity is fixedly provided with a fourth rotating shaft, a steel wire disc is rotationally arranged on the fourth rotating shaft, a fixed steel wire is arranged on the steel wire disc, a steel wire pushing cutter is arranged between the steel wire cavity and the third track cavity, and the fixed steel wire is inserted into the steel wire pushing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056943.6A CN112627633B (en) | 2021-01-15 | 2021-01-15 | Automatic installation equipment of black silk thorn rope on railway guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056943.6A CN112627633B (en) | 2021-01-15 | 2021-01-15 | Automatic installation equipment of black silk thorn rope on railway guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112627633A CN112627633A (en) | 2021-04-09 |
| CN112627633B true CN112627633B (en) | 2023-05-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110056943.6A Active CN112627633B (en) | 2021-01-15 | 2021-01-15 | Automatic installation equipment of black silk thorn rope on railway guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112627633B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US562015A (en) * | 1896-06-16 | Wire-stretcher | ||
| US849057A (en) * | 1907-01-14 | 1907-04-02 | Elliott Dial | Fence-making machine. |
| GB191518099A (en) * | 1915-12-28 | 1916-07-20 | Joseph Sutton Withers | Improvements in and relating to Fence Wire Stretchers. |
| US1327024A (en) * | 1919-03-31 | 1920-01-06 | William H Conaway | Apparatus for handling fence-wire |
| DE4423276C1 (en) * | 1994-07-05 | 1995-11-30 | Draht Bremer Gmbh | Method for removal of wire fencing form plantation areas |
| US6158923A (en) * | 1998-09-25 | 2000-12-12 | Revoluntinary Machine And Installation Llc | Method and apparatus for installing silt fence |
| AU2017331802B2 (en) * | 2016-09-26 | 2021-02-25 | Weston Fence Pty Limited | A guide device and method for constructing a fence |
| CN212224863U (en) * | 2019-08-05 | 2020-12-25 | 四川睿铁科技有限责任公司 | A convenient type universal stand for installing thorn thread rolling cage |
| CN111794593B (en) * | 2020-06-05 | 2022-08-12 | 邹佳 | Iron wire erection equipment for outdoor rail |
| CN111960176A (en) * | 2020-08-28 | 2020-11-20 | 李小华 | Anti-theft rope paying-off equipment |
| CN112139781A (en) * | 2020-09-30 | 2020-12-29 | 石家庄市东春机械设备有限公司 | Automatic blade thorn rope buckle machine |
-
2021
- 2021-01-15 CN CN202110056943.6A patent/CN112627633B/en active Active
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| CN112627633A (en) | 2021-04-09 |
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Effective date of registration: 20230425 Address after: 247099 Second Floor, No. 695 Qingxi Avenue, Economic and Technological Development Zone, Chizhou City, Anhui Province Applicant after: Chizhou Jincheng Engineering Management Service Co.,Ltd. Address before: No.6, Yangshi street, Qingyang District, Chengdu, Sichuan 610031 Applicant before: Chengdu changjunxutu Trading Co.,Ltd. |
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