CN113043986A - Bus antiskid auxiliary device - Google Patents
Bus antiskid auxiliary device Download PDFInfo
- Publication number
- CN113043986A CN113043986A CN202110380272.9A CN202110380272A CN113043986A CN 113043986 A CN113043986 A CN 113043986A CN 202110380272 A CN202110380272 A CN 202110380272A CN 113043986 A CN113043986 A CN 113043986A
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- Prior art keywords
- plate
- bus
- sliding
- chute
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/0065—Type of vehicles
- B60R2021/0067—Buses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R2021/0206—Self-supporting restraint systems, e.g. restraining arms, plates or the like
- B60R2021/0213—Self-supporting restraint systems, e.g. restraining arms, plates or the like mounted on floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R2021/0273—Occupant safety arrangements or fittings, e.g. crash pads automatically movable to an operative position, e.g. in case of collision or impending collision
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention relates to the technical field of buses, and discloses an anti-skidding auxiliary device for a bus, which comprises a gravity center control box fixedly arranged on the bottom wall of a carriage in the bus, floor through grooves are distributed in the bottom wall of the carriage in a row, communicated groove plate sliding grooves are arranged in the bottom wall of the carriage, communicated groove plates are arranged in the communicated groove plate sliding grooves in a left-right sliding mode, when the bus is rapidly accelerated, suddenly decelerated or turns, a gravity center shifting device drives a protection device to start, a support thin rod extending out of the floor of the carriage is used for rising near the sole of the foot to provide support force around the sole of a passenger, the sole of the passenger is limited in a certain range, the thin rod supports the side surface of a shoe to provide sufficient support force for the passenger, the passenger can be guaranteed to obtain sufficient stability when the speed of the bus suddenly changes or turns, and the safety of the bus is greatly improved.
Description
Technical Field
The invention relates to the technical field of buses, in particular to an anti-skidding auxiliary device for a bus.
Background
In the process of driving of a bus, due to the inertia effect, standing passengers cannot support bodies to keep stable due to the fact that the speed of the bus changes too fast or when the bus turns, when the passengers encounter wet and slippery floors or are stressed too much, the friction force of the soles of the feet is not enough to guarantee the stability of the passengers, the passengers are prone to falling down, certain potential safety hazards exist, the effect of simply increasing the friction coefficient of the floors is not enough to play a sufficient stabilizing role, and the bus-mounted passenger-side walking device is improved aiming at the defects.
Disclosure of Invention
The invention aims to provide an antiskid auxiliary device for a bus, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
The invention discloses an anti-skidding auxiliary device for a bus, which comprises a gravity center control box fixedly arranged on the bottom wall of a carriage in the bus, wherein floor through grooves are arranged and distributed on the bottom wall of the carriage, a communicating groove plate sliding groove is arranged in the bottom wall of the carriage, a communicating groove plate is arranged in the communicating groove plate in a left-right sliding mode, connecting through grooves penetrating up and down are arranged and distributed in the communicating groove plate, the left end of the communicating groove plate sliding groove is communicated with a starting sliding groove, the right end of the starting sliding groove is communicated with a rope pulling plate sliding groove, a rope pulling plate is arranged in the rope pulling plate sliding groove in a left-right sliding mode, a winding cavity is arranged and distributed at the upper end of the rope pulling plate sliding groove in a distributed mode, a storage sliding groove is arranged at the upper end of the winding cavity in a communicating mode, a limiting.
According to the technical scheme, a linkage sliding groove is formed in the left wall of the storage sliding groove, a linkage sliding block fixedly arranged at the left end of the limiting sliding plate is arranged in the linkage sliding groove in a vertically sliding mode, a linkage spring is arranged between the upper end of the linkage sliding block and the top wall of the linkage sliding groove in a connected mode, a first rotating shaft and a second rotating shaft are arranged on the rear wall of the winding cavity in a rotating mode, a first winding disc and a first gear are fixedly arranged on the first rotating shaft, a first pull rope is arranged on the first winding disc in a winding mode, the first pull rope is connected and arranged at the lower end of the limiting sliding plate, a second winding disc and a second gear are fixedly arranged on the second rotating shaft, the second gear is meshed with the first gear, and a second pull rope arranged at the upper end of the pull rope plate in a winding mode is arranged on.
According to the technical scheme, the starting chute is internally provided with a starting sliding block which is fixedly arranged at the left end of the communicating chute plate in a left-right sliding mode, a sliding block spring is connected between the left end of the starting sliding block and the left wall of the starting chute, and a limiting stop block is fixedly arranged on the left wall of the starting chute.
According to the technical scheme, a driven sliding groove is formed in the lower end of the starting sliding block, a driven sliding block is arranged in the driven sliding groove in a sliding mode, a reset spring is connected and arranged between the left end of the driven sliding block and the left wall of the driven sliding groove, and a connecting sliding block fixedly arranged at the left end of the pull rope plate is fixedly arranged at the lower end of the driven sliding block.
According to the technical scheme, an elastic stay rope cavity is arranged in the gravity center control box, four control slide block chutes are symmetrically communicated with the elastic stay rope cavity in a front-back and left-right mode, a gravity center control slide block is arranged in the elastic stay rope cavity in a sliding mode and is arranged in the control slide block chutes in a front-back and left-right mode, two fixing plates are symmetrically arranged on the gravity center control slide block in a front-back and left-right mode respectively, five speed regulation plates are fixedly arranged between the upper fixing plate and the lower fixing plate in an arrayed mode, two symmetrical speed regulation chutes are communicated with the front wall and the rear wall of the control slide block chute in a front-back mode, fixed inclined plates are fixedly arranged on the rear wall of each speed regulation chute in an arrayed mode, hinged inclined plates are hinged to each other, spring plates are fixedly arranged on.
Further technical scheme, elasticity stay cord chamber roof center with focus control slider up end center is connected and is equipped with the elasticity stay cord, elasticity stay cord chamber lower extreme intercommunication is equipped with the cross spout, it is equipped with the slider that resets to slide in the cross spout, the slider that resets all around four sides with the cross spout is all around connected between the face and is equipped with the stretch cord that resets, the fixed ball that turns to that is equipped with in the bus, be equipped with fixed swash plate in the ball that turns to, the slider lower extreme that resets is connected and is equipped with the control stay cord, the control stay cord passes L type groove connection set up in the link block left end.
The invention has the beneficial effects that: at the quick acceleration of vehicle, when suddenly slowing down or turning, drive protection device through focus skew device and start, through the support pin that stretches out on the carriage floor, rise near the sole, provide the holding power around the passenger's sole, with passenger's sole restriction in certain extent, support the shoes side through the pin in order to provide passenger's sufficient holding power, guarantee that the passenger can obtain sufficient stability when vehicle speed suddenly changes or turns, the security that has improved the bus greatly.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
FIG. 3 is an enlarged schematic view of B of FIG. 1;
FIG. 4 is an enlarged schematic view of C in FIG. 1;
FIG. 5 is an enlarged schematic view of D of FIG. 2;
FIG. 6 is an enlarged schematic view of E-E of FIG. 2;
FIG. 7 is an enlarged schematic view of F-F of FIG. 2;
fig. 8 is an enlarged schematic view of G in fig. 6.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The anti-skid auxiliary device for the bus, which is described with reference to the attached drawings 1-8, comprises a gravity center control box 12 fixedly arranged on the bottom wall of a carriage 11 in a bus 10, floor through grooves 42 are arranged and distributed on the bottom wall of the carriage 11, a communicating groove plate sliding groove 40 is arranged in the bottom wall of the carriage 11, a communicating groove plate 41 is arranged in the communicating groove plate sliding groove 40 in a left-right sliding manner, a connecting through groove 43 which penetrates through the communicating groove plate 41 from top to bottom is arranged and distributed, a starting sliding groove 30 is communicated with the left end of the communicating groove plate sliding groove 40, a rope pulling plate sliding groove 38 is communicated with the right end of the starting sliding groove 30, a rope pulling plate 39 is arranged in the rope pulling plate sliding groove 38 in a left-right sliding manner, a winding cavity 50 is arranged and distributed and communicated on the upper end of the rope pulling plate sliding groove 38, a storage sliding groove 44 is communicated, a protective thin rod 49 is fixedly arranged at the upper end of the limiting slide plate 48.
Preferably, a linkage sliding groove 45 is arranged on the left wall of the storage sliding groove 44, a linkage sliding block 46 fixedly arranged at the left end of the limiting sliding plate 48 is arranged in the linkage sliding groove 45 in a sliding manner up and down, a linkage spring 47 is connected between the upper end of the linkage sliding block 46 and the top wall of the linkage sliding groove 45, a first rotating shaft 51 and a second rotating shaft 54 are rotatably arranged on the rear wall of the winding cavity 50, a first winding disc 52 and a first gear 53 are fixedly arranged on the first rotating shaft 51, a first pull rope 57 is wound on the first winding disc 52, the first pull rope 57 is connected and arranged at the lower end of the limiting sliding plate 48, a second winding disc 55 and a second gear 56 are fixedly arranged on the second rotating shaft 54, the second gear 56 is meshed with the first gear 53, and a second pull rope 58 connected and arranged at the upper end of the pull rope plate 39 is wound on the second winding disc 55.
Preferably, a starting slide block 31 fixedly arranged at the left end of the communicating groove plate 41 is arranged in the starting chute 30 in a left-right sliding manner, a slide block spring 32 is connected between the left end of the starting slide block 31 and the left wall of the starting chute 30, and a limiting stop 37 is fixedly arranged on the left wall of the starting chute 30.
Preferably, a driven sliding groove 33 is formed in the lower end of the starting sliding block 31, a driven sliding block 34 is slidably arranged in the driven sliding groove 33, a return spring 35 is connected between the left end of the driven sliding block 34 and the left wall of the driven sliding groove 33, and a connecting sliding block 36 fixedly arranged at the left end of the stay rope plate 39 is fixedly arranged at the lower end of the driven sliding block 34.
Preferably, an elastic rope pulling cavity 13 is arranged in the gravity center control box 12, four control slide block sliding grooves 15 are symmetrically communicated in the front, back, left and right directions of the elastic rope pulling cavity 13, a gravity center control slide block 14 which is arranged in the control slide block sliding groove 15 in a sliding way is arranged in the elastic pull rope cavity 13, two fixing plates 17 are respectively and symmetrically arranged on the front, the rear, the left and the right surfaces of the gravity center control slide block 14 from top to bottom, five speed regulating plates 18 are arranged and fixed between the upper fixing plate 17 and the lower fixing plate 17, two symmetrical speed regulating chutes 16 are communicated between the front wall and the rear wall of the control slide block chute 15, the two fixed plates 17 are arranged in the speed regulation chute 16 in a sliding way, a fixed inclined plate 19 is fixedly arranged on the rear wall of the speed regulation chute 16 in an arrayed way, the fixed inclined plate 19 is hinged with a hinged inclined plate 20, the fixed inclined plate 19 is fixedly provided with a spring plate 21, and a speed regulating spring 22 is connected between the spring plate 21 and the hinged inclined plate 20.
Preferably, elasticity stay cord chamber 13 roof center with the connection of focus control slider 14 up end center is equipped with elasticity stay cord 26, elasticity stay cord chamber 13 lower extreme intercommunication is equipped with cross spout 23, it is equipped with slider 24 that resets to slide in the cross spout 23, slider 24 that resets all around four sides with cross spout 23 all around the face is connected and is equipped with the stretch cord 25 that resets, the fixed ball 28 that turns to that is equipped with in the bus 10, be equipped with fixed swash plate 19 in the ball 28 that turns to, the connection of slider 24 lower extreme that resets is equipped with control stay cord 27, control stay cord 27 passes L type groove 29 connect set up in link block 36 left end.
The specific use method of the invention is as follows: when the vehicle suddenly decelerates, the gravity center control slide 14 continues to move forward due to the inertia effect, the gravity center control slide 14 slides along the left control slide groove 15, the fixed plate 17 slides in the speed regulation slide groove 16, the speed regulation plate 18 pushes the hinged inclined plate 20 to turn over, the moving gravity center control slide 14 drives the reset slide 24 to move, thereby pulling the control pull rope 27, the connecting slide 36 is pulled to move leftward by the control pull rope 27, at this time, the driven slide 34 pulls the starting slide 31 to move leftward, the slide spring 32 preferentially compresses, when the starting slide 31 moves to the right end of the limiting block 37 and stops moving, at this time, the floor through groove 42 and the connecting through groove 43 are aligned, the control pull rope 27 continues to pull the connecting slide 36 to move leftward, the second pull rope 58 is driven by the pull rope plate 39 to pull, thereby driving the second winding disc 55 and the second rotating shaft 54 to rotate, the rotating second gear 56 drives the first gear, the first pull rope 57 is released through the rotation of the rotating first winding disc 52, the linkage spring 47 pulls the linkage slide block 46 to move upwards, so that the limiting slide plate 48 is driven to slide upwards, the protecting thin rod 49 extends out of the bottom wall of the carriage 11 through the connecting through groove 43 and the floor through groove 42, a piece of protecting thin rod 49 extends out of the edge of the passenger shoe sole, and the side edge of the passenger shoe is supported when braking, so that the problem of falling caused by insufficient friction of the passenger shoe sole when the vehicle speed suddenly changes or turns suddenly is solved;
when the upper ends of the through grooves 42 of part of the floor are blocked by the soles, the protective thin rods 49 cannot stretch out, when the vehicle speed returns to normal, the reset elastic ropes 25 pull the reset sliding blocks 24 to move and reset, the elastic pull ropes 26 pull the gravity center control sliding blocks 14 to move and reset, the hinged inclined plates 20 play a role in reducing the speed of the reverse movement of the speed regulating plate 18, the connecting sliding blocks 36 are reset preferentially, the protective thin rods 49 move downwards and reset, and the sliding block springs 32 push the starting sliding blocks 31 to move rightwards and reset;
similarly, when the bus suddenly accelerates or makes a sharp turn, the protective thin rod 49 extends out of the connecting through groove 43 and the floor through groove 42, so that passengers are protected, and the safety of the bus is greatly improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a bus antiskid auxiliary device, includes the fixed focus control box that sets up on the carriage diapire in the bus, it is equipped with the logical groove in floor to arrange to distribute on the carriage diapire, be equipped with the intercommunication frid spout in the carriage diapire, horizontal slip is equipped with intercommunication frid, its characterized in that in the intercommunication frid spout: the connecting through groove is arranged and distributed in the communicating groove plate and penetrates through the communicating groove plate from top to bottom, the left end of the communicating groove plate sliding groove is communicated with the starting sliding groove, the right end of the starting sliding groove is communicated with the pulling rope plate sliding groove, the pulling rope plate is arranged in the pulling rope plate sliding groove in a sliding mode from left to right, the upper end of the pulling rope plate sliding groove is arranged and distributed in a communicating mode and is provided with a winding cavity, the upper end of the winding cavity is communicated with the storage sliding groove, the limiting sliding plate is arranged in the storage sliding groove in a sliding mode from top to.
2. The bus antiskid auxiliary device according to claim 1, characterized in that: the storage chute is characterized in that a linkage chute is arranged on the left wall of the storage chute, a linkage sliding block fixedly arranged at the left end of the limiting sliding plate is arranged in the linkage chute in a vertically sliding mode, a linkage spring is arranged between the upper end of the linkage sliding block and the top wall of the linkage chute in a connected mode, a first rotating shaft and a second rotating shaft are arranged on the rear wall of the winding cavity in a rotating mode, a first winding disc and a first gear are fixedly arranged on the first rotating shaft, a first pull rope is arranged on the first winding disc in a winding mode, the first pull rope is connected and arranged at the lower end of the limiting sliding plate, a second winding disc and a second gear are fixedly arranged on the second rotating shaft, the second gear is meshed with the first gear, and a second pull rope arranged at the upper end of the pull rope plate is arranged on the.
3. The bus antiskid auxiliary device according to claim 1, characterized in that: the starting chute is internally provided with a starting sliding block which is fixedly arranged at the left end of the communicating chute plate in a left-right sliding mode, a sliding block spring is connected between the left end of the starting sliding block and the left wall of the starting chute, and a limiting stop block is fixedly arranged on the left wall of the starting chute.
4. A bus anti-skid auxiliary device according to claim 3, characterized in that: the lower end of the starting slide block is provided with a driven chute, a driven slide block is arranged in the driven chute in a sliding mode, a reset spring is connected and arranged between the left end of the driven slide block and the left wall of the driven chute, and a connecting slide block fixedly arranged at the left end of the stay rope plate is fixedly arranged at the lower end of the driven slide block.
5. The bus antiskid auxiliary device according to claim 1, characterized in that: the improved gravity center control box is characterized in that an elastic pull rope cavity is arranged in the gravity center control box, four control slide block chutes are symmetrically communicated with the front and back and the left and right of the elastic pull rope cavity, a gravity center control slide block is arranged in the elastic pull rope cavity and slidably arranged in the control slide block chutes, two fixing plates are symmetrically arranged on the front and back and the left and right of the gravity center control slide block respectively, five speed regulation plates are fixedly arranged between the upper fixing plate and the lower fixing plate, two symmetrical speed regulation chutes are communicated with the front and back walls of the control slide block chutes, two fixing plates are slidably arranged in the speed regulation chutes, fixed inclined plates are fixedly arranged on the rear walls of the speed regulation chutes in an aligned mode, hinged inclined plates are hinged to the fixed inclined plates, spring plates are fixedly arranged on the fixed.
6. A bus antiskid auxiliary device according to claim 5, characterized in that: elasticity stay cord chamber roof center with the center of gravity control slider up end center is connected and is equipped with the elasticity stay cord, elasticity stay cord chamber lower extreme intercommunication is equipped with the cross spout, it is equipped with the slider that resets to slide in the cross spout, the slider that resets all around four sides with the cross spout is all around connected between the face of controlling and is equipped with the stretch cord that resets, the fixed ball that turns to that is equipped with in the bus, be equipped with fixed swash plate in the ball that turns to, the slider lower extreme that resets is connected and is equipped with the control stay cord, the control stay cord passes L type groove connection set up in the link block left end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380272.9A CN113043986B (en) | 2021-04-09 | 2021-04-09 | Bus antiskid auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380272.9A CN113043986B (en) | 2021-04-09 | 2021-04-09 | Bus antiskid auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113043986A true CN113043986A (en) | 2021-06-29 |
| CN113043986B CN113043986B (en) | 2022-10-04 |
Family
ID=76519032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110380272.9A Active CN113043986B (en) | 2021-04-09 | 2021-04-09 | Bus antiskid auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113043986B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109959A (en) * | 1977-04-14 | 1978-08-29 | American Seating Company | Transportation seat with energy absorption |
| US6186545B1 (en) * | 1998-01-12 | 2001-02-13 | Adrian Corbett | Bus seat safety restraint |
| CN105035014A (en) * | 2015-08-12 | 2015-11-11 | 蒋科富 | Foot safety belt device having anti-slip fall-prevention function |
| CN105128806A (en) * | 2015-08-12 | 2015-12-09 | 蒋科富 | Foot positioning device comprising arched wide band with anti-skidding and anti-falling functions |
| CN109795418A (en) * | 2019-01-31 | 2019-05-24 | 安徽三联学院 | A kind of extension type step based on bus |
| CN210882012U (en) * | 2019-11-06 | 2020-06-30 | 郑果实 | Passenger falling prevention device for bus |
| CN211335883U (en) * | 2019-11-12 | 2020-08-25 | 长安大学 | Buffer and car |
| CN112010061A (en) * | 2020-08-27 | 2020-12-01 | 陈冲 | Large truck unloads grain auxiliary device |
-
2021
- 2021-04-09 CN CN202110380272.9A patent/CN113043986B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109959A (en) * | 1977-04-14 | 1978-08-29 | American Seating Company | Transportation seat with energy absorption |
| US6186545B1 (en) * | 1998-01-12 | 2001-02-13 | Adrian Corbett | Bus seat safety restraint |
| CN105035014A (en) * | 2015-08-12 | 2015-11-11 | 蒋科富 | Foot safety belt device having anti-slip fall-prevention function |
| CN105128806A (en) * | 2015-08-12 | 2015-12-09 | 蒋科富 | Foot positioning device comprising arched wide band with anti-skidding and anti-falling functions |
| CN109795418A (en) * | 2019-01-31 | 2019-05-24 | 安徽三联学院 | A kind of extension type step based on bus |
| CN210882012U (en) * | 2019-11-06 | 2020-06-30 | 郑果实 | Passenger falling prevention device for bus |
| CN211335883U (en) * | 2019-11-12 | 2020-08-25 | 长安大学 | Buffer and car |
| CN112010061A (en) * | 2020-08-27 | 2020-12-01 | 陈冲 | Large truck unloads grain auxiliary device |
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| Publication number | Publication date |
|---|---|
| CN113043986B (en) | 2022-10-04 |
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Effective date of registration: 20220908 Address after: Room 313A, No. 209, Huanghai Road, Economic and Technological Development Zone, Weihai City, Shandong Province, 264200 Applicant after: Weihai yunzhiwei Intelligent Technology Co.,Ltd. Address before: No.157, Meili Road, Huaiyin District, Jinan City, Shandong Province Applicant before: Jinan Yixing Advertising Co.,Ltd. |
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