CN112323902B - Road driving auxiliary device of large excavator for building - Google Patents
Road driving auxiliary device of large excavator for building Download PDFInfo
- Publication number
- CN112323902B CN112323902B CN202011236433.9A CN202011236433A CN112323902B CN 112323902 B CN112323902 B CN 112323902B CN 202011236433 A CN202011236433 A CN 202011236433A CN 112323902 B CN112323902 B CN 112323902B
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- sliding
- fixedly arranged
- shell
- excavator
- cavity
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/088—Endless track units; Parts thereof with means to exclude or remove foreign matter, e.g. sealing means, self-cleaning track links or sprockets, deflector plates or scrapers
- B62D55/0882—Track or sprocket cleaning devices mounted on the frame
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/02—Travelling-gear, e.g. associated with slewing gears
- E02F9/04—Walking gears moving the dredger forward step-by-step
Abstract
The invention discloses a road driving auxiliary device of a large excavator for construction, which comprises a cross beam and a crawler arranged on the cross beam, wherein the crawler is used for driving the excavator to move, the cross beam is fixedly provided with mounting connecting rods in a bilateral symmetry manner, the road driving auxiliary device is used for being mounted at the crawler of the large excavator and can damage the road when the excavator drives, when the excavator needs to drive on the road, the device can automatically and continuously place a supporting pad at the front side of the crawler, the excavator rolls the supporting pad to drive on the road without damaging the road surface, the supporting pad can be collected by a device at the rear side for cyclic utilization after being used, if the supporting pad is not collected due to road conditions and the like, the collecting device at the rear side of the device can directly collect the supporting pad, and in addition, the crawler of the excavator can be cleaned due to the arrangement of the device at the crawler of the excavator, the crawler belt can be cleaned by the high-pressure spray head in the device only by putting a proper amount of water into the device.
Description
Technical Field
The invention relates to the technical field of excavator traveling, in particular to a road traveling auxiliary device of a large-scale excavator for construction.
Background
An excavator is an earth moving machine which excavates materials higher or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, a foundation is generally required to be dug before building a house, an earth pit of the foundation is generally required to be excavated by the excavator, a large excavator is generally required when large-area excavation is required, the large excavator is generally high in quality, the excavator can seriously damage a road when running on the road, and therefore the general large excavator is required to transport the materials, so that the efficiency is possibly reduced, and the cost is increased.
Disclosure of Invention
The invention aims to provide a road driving auxiliary device of a large-sized building excavator, and the road driving auxiliary device solves the problems.
The invention is realized by the following technical scheme.
The invention relates to a road driving auxiliary device of a large-sized building excavator, which comprises a cross beam and a crawler arranged on the cross beam, wherein the crawler is used for driving the excavator to move, mounting connecting rods are fixedly arranged on the cross beam in a bilateral symmetry manner, a left shell is fixedly arranged on the mounting connecting rod on the left side, a temporary storage cavity is arranged in the left shell, a sliding rod is fixedly arranged in the temporary storage cavity, a plurality of supporting pads are stored in the temporary storage cavity, an auxiliary magnet and a main magnet are fixedly arranged in the supporting pads, clamping grooves are formed in the supporting pads, the sliding rod is clamped in the clamping grooves, a certain friction force exists between the clamping grooves and the sliding rod, the supporting pads can slowly descend along the sliding rod, a lower opening is arranged at the lower side of the temporary storage cavity and is used for the supporting pads to slide downwards, a right shell is fixedly arranged on the mounting connecting rod on the right side, and a collecting cavity is arranged in the right shell, the bottom end of the collecting cavity is rotatably provided with a hinge, a water storage baffle is fixedly arranged on the hinge and closely attached to the front wall and the rear wall of the collecting cavity, an arc-shaped telescopic rod is connected between the water storage baffle and the right shell and can drive the water storage baffle to rotate around the hinge after being started, a working cavity is arranged in the right shell, the bottom end of the working cavity is fixedly provided with a driving motor, a rotating shaft is rotatably arranged in the working cavity, an incomplete gear is fixedly arranged on the rotating shaft, the rotating shaft is in transmission connection with a power shaft of the driving motor through a transmission belt pulley, a driving rack is slidably arranged in the working cavity, the right end of the driving rack is meshed with the incomplete gear, only half of time is spent in the rotation process of the incomplete gear and meshed with the driving rack, and when the incomplete gear is not meshed with the driving rack, a reset spring can pull the driving rack to slide downwards, a spring chute is arranged at the left end of the driving rack, a sliding block in the spring chute is fixedly connected with the right shell, a return spring is arranged between the sliding block in the spring chute and the lower end of the spring chute, the return spring is in a compressed state, a gear shaft is rotatably arranged in the working chamber, a winding reel and a gear are fixedly arranged on the gear shaft, the gear is meshed with the driving rack, a pull rope is wound on the winding reel, an adsorption electromagnet is fixedly arranged at the left end of the driving rack, an electromagnet is fixedly arranged on the adsorption electromagnet, the electromagnet can adsorb the main magnet after being electrified so as to adsorb the supporting pad, a guide wheel shaft is rotatably arranged at the upper end of the right shell, a guide wheel is fixedly arranged on the guide wheel shaft, the pull rope bypasses the guide wheel, and a circulating shell is connected between the left shell and the right shell, be equipped with the circulation chamber in the circulation casing, the fixed spout that transports that is equipped with in circulation chamber upper end, it transports the slider to slide to be equipped with in the spout, transport the slider right-hand member with the stay cord is connected, it slides and is equipped with inertia slide to transport the slider downside, the fixed electro-magnet that transports that is equipped with of inertia slide right-hand member, transport can adsorb after the electro-magnet circular telegram vice magnet, inertia slide upper end is equipped with the inertia spout, slider in the inertia spout with transport slider fixed connection, the fixed high pressure nozzle that is equipped with in right side casing left side, the fixed water pipe that is equipped with in the casing of the right side, the water pipe with high pressure nozzle connects, the fixed installation piece that is equipped with in right side casing right side, installation piece lower extreme rotates and is equipped with the collection hinge, collect the fixed hourglass casing that is equipped with on the hinge.
Preferably, the mounting block with it is equipped with the connection telescopic link to pick up to connect between the hourglass casing, connect the telescopic link and drive after starting it winds to pick up the hourglass casing collect the hinge and rotate, it is equipped with the inner chamber in the hourglass casing to pick up, the inner chamber is used for collecting not picked up the supporting pad, the inner chamber upper end is rotated and is equipped with the connection hinge, the fixed one-way baffle that is equipped with on the connection hinge, one-way baffle with it is equipped with the baffle spring to pick up between the hourglass casing.
Preferably, a moving spring is provided between the conveying slider and the left end of the conveying chute, and the moving spring is in a stretched state.
Preferably, the lower opening is provided with a lower sliding cover plate in a sliding manner, the upper end of the lower sliding cover plate is fixedly provided with an electric sliding rail, a sliding block in the electric sliding rail is fixedly connected with the left shell, and the electric sliding rail can drive the lower sliding cover plate to slide after being started.
The invention has the beneficial effects that: the device is used for being installed at the crawler of some large excavators, can prevent the excavator from damaging the road when running, can automatically and continuously place the supporting pad at the front side of the crawler when the excavator needs to run on the road, can not damage the road when the excavator rolls the supporting pad and runs on the road, can be collected by a device at the rear side for recycling after the supporting pad is used, and can directly collect the supporting pad if the supporting pad is not collected due to road conditions and the like.
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.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;
FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter 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.
Combine fig. 1-4 a large-scale excavator road driving auxiliary device for building, including crossbeam 10 and set up in track 13 on crossbeam 10, track 13 is used for driving the excavator to remove, bilateral symmetry is fixed on crossbeam 10 is equipped with installation connecting rod 11, and left fixed left casing 22 that is equipped with on the installation connecting rod 11, be equipped with temporary storage chamber 17 in the left casing 22, fixed slide bar 20 that is equipped with in the temporary storage chamber 17, polylith supporting pad 19 has been stored in temporary storage chamber 17, fixed vice magnet 21 and the main magnet 18 of being equipped with in the supporting pad 19, be equipped with draw-in groove 62 in the supporting pad 19, slide bar 20 card is gone into the draw-in groove 62, there is certain frictional force between draw-in groove 62 and the slide bar 20, supporting pad 19 can be along slide bar 20 slowly descends, temporary storage chamber 17 downside is equipped with under shed 51, under shed 51 is used for the downward roll-off of supporting pad 19, the right side of the installation connecting rod 11 is fixedly provided with a right shell 24, the right shell 24 is internally provided with a collection cavity 23, the bottom end of the collection cavity 23 is rotatably provided with a hinge 37, the hinge 37 is fixedly provided with a water storage baffle 38, the water storage baffle 38 is tightly attached to the front wall and the rear wall of the collection cavity 23, an arc-shaped telescopic rod 36 is connected between the water storage baffle 38 and the right shell 24, the arc-shaped telescopic rod 36 can drive the water storage baffle 38 to rotate around the hinge 37 after being started, the right shell 24 is internally provided with a working cavity 44, the bottom end of the working cavity 44 is fixedly provided with a driving motor 34, the working cavity 44 is rotatably provided with a rotating shaft 54, the rotating shaft 54 is fixedly provided with an incomplete gear 61, the rotating shaft 54 is in transmission connection with a power shaft of the driving motor 34 through a transmission belt pulley 35, and the working cavity 44 is slidably provided with a driving rack 59, the right end of the driving rack 59 is meshed with the incomplete gear 61, the incomplete gear 61 is meshed with the driving rack 59 only for half of the time in the rotation process, when the incomplete gear 61 is not meshed with the driving rack 59, the reset spring 58 can pull the driving rack 59 to slide downwards, the left end of the driving rack 59 is provided with a spring sliding groove 60, a sliding block in the spring sliding groove 60 is fixedly connected with the right shell 24, a reset spring 58 is arranged between the sliding block in the spring sliding groove 60 and the lower end of the spring sliding groove 60, the reset spring 58 is in a compressed state, the working cavity 44 is rotatably provided with a gear shaft 57, the gear shaft 57 is fixedly provided with a winding reel 55 and a gear 56, the gear 56 is meshed with the driving rack 59, a pull rope 47 is wound on the winding reel 55, and the left end of the driving rack 59 is fixedly provided with an adsorption electromagnet 43, the adsorption electromagnet 43 is fixedly provided with an electromagnet 42, the electromagnet 42 can adsorb the main magnet 18 after being electrified so as to adsorb the supporting pad 19, the upper end of the right shell 24 is rotatably provided with a guide wheel shaft 45, the guide wheel shaft 45 is fixedly provided with a guide wheel 46, the pull rope 47 bypasses the guide wheel 46, a circulation shell 15 is connected between the left shell 22 and the right shell 24, the circulation shell 15 is internally provided with a circulation cavity 12, the upper end of the circulation cavity 12 is fixedly provided with a conveying chute 14, the conveying chute 14 is internally provided with a conveying slide block 49 in a sliding manner, the right end of the conveying slide block 49 is connected with the pull rope 47, the lower side of the conveying slide block 49 is provided with an inertia sliding plate 50 in a sliding manner, the right end of the inertia sliding plate 50 is fixedly provided with a conveying electromagnet 41, the conveying electromagnet 41 can adsorb the auxiliary magnet 21 after being electrified, and the upper end of the inertia sliding plate 50 is provided with an inertia sliding chute 48, slider in the inertia spout 48 with transport slider 49 fixed connection, the fixed high pressure nozzle 40 that is equipped with in right side casing 24 left side, the fixed water pipe 39 that is equipped with in the casing 24 of the right side, water pipe 39 with high pressure nozzle 40 connects, the fixed installation piece 31 that is equipped with in right side casing 24 right side, installation piece 31 lower extreme rotates and is equipped with collects hinge 63, collect fixed being equipped with on the hinge 63 and pick up hourglass casing 27.
Beneficially, a connecting telescopic rod 30 is connected between the mounting block 31 and the leakage-detecting shell 27, the connecting telescopic rod 30 can drive the leakage-detecting shell 27 to rotate around the collecting hinge 63 after being started, an inner cavity 26 is arranged in the leakage-detecting shell 27, the inner cavity 26 is used for collecting the supporting pad 19 which is not picked up, a connecting hinge 29 is arranged at the upper end of the inner cavity 26 in a rotating mode, a one-way baffle 25 is fixedly arranged on the connecting hinge 29, and a baffle spring 28 is arranged between the one-way baffle 25 and the leakage-detecting shell 27.
Advantageously, a movement spring 64 is provided between the transport slide 49 and the left end of the transport chute 14, the movement spring 64 being in a stretched state.
Advantageously, a lower sliding cover plate 53 is slidably disposed in the lower opening 51, a motor-driven sliding rail 52 is fixedly disposed at an upper end of the lower sliding cover plate 53, a sliding block in the motor-driven sliding rail 52 is fixedly connected with the left housing 22, and the motor-driven sliding rail 52 can drive the lower sliding cover plate 53 to slide after being started.
When the excavator traveles on the road, electronic slide rail 52 starts to drive down and slides apron 53 and slide left, supporting pad 19 slides down, supporting pad 19 of downside slides down and passes lower shed 51 and drop to the left ground of track 13, track 13 traveles to supporting pad 19 upside, can protect ground can not destroyed by the excavator like this, supporting pad 19 continuously drops and provides the support for traveling of excavator, driving motor 34 starts to drive pivot 54 and incomplete gear 61 rotation through the transmission of driving pulley 35, can no longer mesh with drive rack 59 after incomplete gear 61 rotates.
The driving rack 59 is pushed by the return spring 58 to move downwards, the driving rack 59 drives the gear 56 to rotate in the process of moving downwards, the gear 56 drives the gear shaft 57 and the winding reel 55 to rotate, the winding reel 55 rotates to release the pull rope 47, the driving rack 59 drives the electromagnet 42 to slide downwards to a specified position, then the electromagnet 42 is electrified, the electromagnet 42 can adsorb the main magnet 18 after being electrified, so that the supporting pad 19 is upwards adsorbed, the supporting pad 19 is tightly attached to the lower end of the electromagnet 42, the incomplete gear 61 continues to rotate and is meshed with the driving rack 59, the incomplete gear 61 drives the driving rack 59 to move upwards and compresses the return spring 58, the driving rack 59 moves upwards to drive the winding reel 55 to rotate to wind the pull rope 47, and the pull rope 47 pulls the conveying slide block 49 to slide rightwards along the conveying chute 14.
When the electromagnet 42 rises to a specified position and then the inertia sliding plate 50 just moves to the rightmost end, the conveying electromagnet 41 is electrified to adsorb the auxiliary magnet 21 and adsorb the supporting pad 19, the electromagnet 42 is powered off, the incomplete gear 61 continues to rotate and then releases the meshing with the driving rack 59, the conveying slider 49 rapidly slides leftwards under the tension of the movement spring 64, when the conveying slider 49 slides to the left end and stops, the inertia sliding plate 50 continues to slide leftwards along the inertia sliding groove 48 under the action of inertia, when the inertia sliding plate 50 slides leftwards to the leftmost end, the conveying electromagnet 41 is powered off, the supporting pad 19 continues to slide leftwards under the action of inertia, the clamping groove 62 of the supporting pad 19 is embedded into the sliding rod 20 to be used next time, if the electromagnet 42 does not adsorb the supporting pad 19 due to the road surface condition and other problems, the telescopic rod 30 is connected to immediately start to drive the leakage collecting shell 27 to rotate clockwise by a certain angle around the collecting hinge 63, the supporting pad 19 slides into the inner cavity 26 from the left side of the inner cavity 26 to finish the leakage detection, when the crawler 13 needs to be cleaned, the arc-shaped telescopic rod 36 is started to extend to drive the water storage baffle plate 38 to rotate clockwise around the hinge 37 for a certain angle, then sufficient water is filled into the space between the water storage baffle plate 38 and the left end of the collecting cavity 23, then the excavator is started, and the high-pressure spray head 40 is started to suck water in the collecting cavity 23 through the water pipe 39 and spray the water onto the crawler 13 to flush away soil of the crawler 13.
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 (4)
1. The utility model provides a large-scale excavator road auxiliary device that traveles for building, includes the crossbeam and set up in track on the crossbeam, its characterized in that: the crawler belt is used for driving the excavator to move, the crossbeam is fixedly provided with mounting connecting rods in bilateral symmetry, the left mounting connecting rod is fixedly provided with a left shell, a temporary storage cavity is arranged in the left shell, a sliding rod is fixedly arranged in the temporary storage cavity, a plurality of supporting pads are stored in the temporary storage cavity, auxiliary magnets and main magnets are fixedly arranged in the supporting pads, clamping grooves are formed in the supporting pads, the sliding rod is clamped in the clamping grooves, a certain friction force exists between the clamping grooves and the sliding rod, the supporting pads can slowly descend along the sliding rod, a lower opening is formed in the lower side of the temporary storage cavity and used for downward sliding of the supporting pads, a right shell is fixedly arranged on the mounting connecting rod on the right side, a collecting cavity is arranged in the right shell, a hinge is rotatably arranged at the bottom end of the collecting cavity, a water storage baffle is fixedly arranged on the hinge, and the water storage baffle is tightly attached to the front wall and the rear wall of the collecting cavity, an arc-shaped telescopic rod is connected between the water storage baffle and the right shell, the arc-shaped telescopic rod can drive the water storage baffle to rotate around the hinge after being started, a working cavity is arranged in the right shell, a driving motor is fixedly arranged at the bottom end of the working cavity, a rotating shaft is arranged in the working cavity in a rotating manner, an incomplete gear is fixedly arranged on the rotating shaft, the rotating shaft is in transmission connection with a power shaft of the driving motor through a driving belt pulley, a driving rack is arranged in the working cavity in a sliding manner, the right end of the driving rack is meshed with the incomplete gear, only half of time is meshed with the driving rack in the incomplete gear rotating process, a reset spring can pull the driving rack to slide downwards when the incomplete gear is not meshed with the driving rack, a spring sliding groove is arranged at the left end of the driving rack, and a sliding block in the spring sliding groove is fixedly connected with the right shell, a return spring is arranged between a sliding block in the spring sliding groove and the lower end of the spring sliding groove, the return spring is in a compressed state, a gear shaft is arranged in the working cavity in a rotating mode, a winding reel and a gear are fixedly arranged on the gear shaft, the gear is meshed with a driving rack, a pull rope is wound on the winding reel, an adsorption electromagnet is fixedly arranged at the left end of the driving rack, an electromagnet is fixedly arranged on the adsorption electromagnet and can adsorb the main magnet after being electrified so as to adsorb the supporting pad, a guide wheel shaft is rotatably arranged at the upper end of the right shell, a guide wheel is fixedly arranged on the guide wheel shaft, the pull rope bypasses the guide wheel, a circulating shell is connected between the left shell and the right shell, a circulating cavity is arranged in the circulating shell, a conveying sliding groove is fixedly arranged at the upper end of the circulating cavity, and a conveying sliding block is arranged in the conveying sliding groove in a sliding mode, the improved high-pressure water-saving device is characterized in that the right end of the sliding block is conveyed and connected with the pull rope, an inertia sliding plate is arranged on the lower side of the sliding block in a sliding mode, an electromagnet is fixedly arranged at the right end of the inertia sliding plate and can be attracted after the electromagnet is electrified, an inertia sliding groove is formed in the upper end of the inertia sliding plate, the sliding block in the inertia sliding groove is fixedly connected with the sliding block, a high-pressure nozzle is fixedly arranged on the left side of the right shell, a water pipe is fixedly arranged in the right shell and connected with the high-pressure nozzle, an installation block is fixedly arranged on the right side of the right shell, the lower end of the installation block is rotatably arranged on a collection hinge, and a leakage collection shell is fixedly arranged on the collection hinge.
2. The road driving assistance device for large-sized construction excavators according to claim 1, characterized in that: the mounting block with it is equipped with the connection telescopic link to pick up to connect between the hourglass casing, connect the telescopic link and drive after starting it winds to pick up hourglass casing collect the hinge and rotate, be equipped with the inner chamber in picking up hourglass casing, the inner chamber is used for collecting not picked up the supporting pad, the inner chamber upper end is rotated and is equipped with the connection hinge, the fixed one-way baffle that is equipped with on the connection hinge, one-way baffle with it is equipped with the baffle spring to pick up between the hourglass casing.
3. The road driving assistance device for large-sized construction excavators according to claim 1, characterized in that: a movement spring is arranged between the conveying sliding block and the left end of the conveying sliding groove and is in a stretched state.
4. The road driving assistance device for large-sized construction excavators according to claim 1, characterized in that: the lower opening is internally provided with a lower sliding cover plate in a sliding mode, the upper end of the lower sliding cover plate is fixedly provided with an electric sliding rail, a sliding block in the electric sliding rail is fixedly connected with the left shell, and the electric sliding rail can drive the lower sliding cover plate to slide after being started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011236433.9A CN112323902B (en) | 2020-11-09 | 2020-11-09 | Road driving auxiliary device of large excavator for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011236433.9A CN112323902B (en) | 2020-11-09 | 2020-11-09 | Road driving auxiliary device of large excavator for building |
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| CN112323902A CN112323902A (en) | 2021-02-05 |
| CN112323902B true CN112323902B (en) | 2022-04-01 |
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| CN202011236433.9A Active CN112323902B (en) | 2020-11-09 | 2020-11-09 | Road driving auxiliary device of large excavator for building |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715924A (en) * | 2021-04-28 | 2021-11-30 | 山东索玛特机械设备制造有限公司 | Four-wheel drive excavator with small and medium-sized multiple adaptability |
| CN113602371B (en) * | 2021-09-08 | 2022-08-02 | 河南路达新环保科技有限公司 | Engineering vehicle track rolls road surface protection device |
| CN114645559B (en) * | 2022-03-29 | 2023-05-30 | 济宁迈斯伯尔机械股份有限公司 | Small-size electric excavator of power supply formula |
| CN117340474B (en) * | 2023-12-04 | 2024-02-13 | 江苏今创车辆有限公司 | Diesel locomotive frame welding device with welding deformation preventing function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3569725B2 (en) * | 1994-11-17 | 2004-09-29 | 三和テッキ株式会社 | Magnet belt |
| AU2017100640A4 (en) * | 2017-05-31 | 2017-07-13 | Kennards Innovations And Sustainability Pty Ltd | Improved cleaning device |
| CN108945132A (en) * | 2018-09-19 | 2018-12-07 | 方鲸联合科技（惠州）有限公司 | A kind of anti-crawler belt destruction road device of external |
| CN110395323A (en) * | 2019-07-30 | 2019-11-01 | 刘贞杰 | A kind of shovel crawler of driving certainly walking road surface protective device |
| CN210852702U (en) * | 2019-10-17 | 2020-06-26 | 临沂美联重工有限公司 | Novel large-load-bearing loading machine |
| CN111877445A (en) * | 2020-08-10 | 2020-11-03 | 杭州常辉机械科技有限公司 | Can be from high efficiency excavator auxiliary assembly that bridges |
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Effective date of registration: 20220311 Address after: 528400 card 10 of Chuansheng Oriental Mingdu, No. 60, Zhongshan Sixth Road, Torch Development Zone, Zhongshan City, Guangdong Province (residence declaration) Applicant after: Zhongshan Zhicheng Construction Engineering Co.,Ltd. Address before: Room 116, building 2, Jing'an City, Gaoping Road, Baoshan District, Shanghai 200436 Applicant before: Peng Deqin |
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