CN112502233A - Excavator bucket tooth equipment with cooling function - Google Patents

Excavator bucket tooth equipment with cooling function Download PDF

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Publication number
CN112502233A
CN112502233A CN202110022337.2A CN202110022337A CN112502233A CN 112502233 A CN112502233 A CN 112502233A CN 202110022337 A CN202110022337 A CN 202110022337A CN 112502233 A CN112502233 A CN 112502233A
Authority
CN
China
Prior art keywords
fixedly arranged
cavity
bucket
shaft
cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110022337.2A
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Chinese (zh)
Inventor
杨天
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yanzhiyu Intelligent Technology Co ltd
Original Assignee
Shanghai Yanzhiyu Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Yanzhiyu Intelligent Technology Co ltd filed Critical Shanghai Yanzhiyu Intelligent Technology Co ltd
Priority to CN202110022337.2A priority Critical patent/CN112502233A/en
Publication of CN112502233A publication Critical patent/CN112502233A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

The invention discloses excavator bucket tooth equipment with a cooling function, which comprises an excavator bucket and a working cavity arranged in the excavator bucket, wherein a rotary vibration base is fixedly arranged on the right wall of the working cavity, a rotary rod is rotationally arranged in the rotary vibration base, a limiting ball is fixedly arranged on the rear wall of the working cavity, the limiting ball is slidably arranged on the right wall of the limiting ball, a vibration ring is fixedly arranged on the left side of the limiting ball, a rotary vibration motor is fixedly arranged in the vibration ring, and the equipment is arranged at a designated position.

Description

Excavator bucket tooth equipment with cooling function
Technical Field
The invention relates to excavator bucket tooth equipment with a cooling function, and mainly relates to the technical field of excavator equipment.
Background
The excavator bucket of the excavator is an important component of the excavator, belongs to a structural part product and comprises a tooth base plate, a bottom plate, a side plate, a wall plate, a lug plate, a back plate, a bucket lug plate, a bucket ear sleeve, a bucket tooth, a tooth base, a protective plate or a bucket corner and other parts, so that welding is the most key manufacturing process of the excavator bucket, the welding quality directly influences the structural strength and the service life of the excavator bucket, when the excavator works, the excavator tooth is a stressed important place, a large amount of heat can be generated during the process, when the heat is excessive, the physical performance of the excavator tooth can be influenced, the excavator needs to have a rest at regular time, the work efficiency can be reduced when the rest is carried out, and the excavator bucket is improved aiming at the defects.
Disclosure of Invention
The technical problem to be solved by the invention is to provide excavator bucket tooth equipment with a cooling function, and the problems are overcome.
The invention is realized by the following technical scheme.
The invention relates to excavator bucket tooth equipment with a cooling function, which comprises an excavator bucket and a working cavity arranged in the excavator bucket, wherein a rotary vibration base is fixedly arranged on the right wall of the working cavity, a rotary rod is rotationally arranged in the rotary vibration base, a limiting ball is fixedly arranged on the rear wall of the working cavity, the rotary rod is slidably arranged in the limiting ball, a vibration ring is fixedly arranged on the left side of the rotary rod, a rotary vibration motor is fixedly arranged in the vibration ring, a main motor is fixedly arranged on a motor shaft of the rotary vibration motor, rotary shafts are rotationally arranged around the vibration ring, eccentric blocks with different directions are fixedly arranged on the outer side of the rotary shaft, branch gears are fixedly arranged on the inner side of the rotary shaft and are respectively in meshing transmission with the main motor, a driven fan is fixedly arranged on the rotary shaft of the main motor, a driving shaft is fixedly arranged on the left side of the vibration ring, and a fixing rod is fixedly arranged in the, the driving shaft is slidably mounted in the fixed rod, the working cavity is internally provided with a digging tooth shaft in a sliding manner, the digging tooth shaft is internally provided with a water inlet cavity, the water inlet cavity is internally and fixedly provided with a water inlet pump, the bottom wall of the water inlet cavity is fixedly provided with a water inlet one-way valve, the digging tooth shaft is internally provided with a water outlet cavity, the water outlet cavity is fixedly provided with a water outlet pump, the top wall of the water outlet pump is fixedly provided with a water outlet one-way valve, the left side of the digging tooth shaft is fixedly provided with bucket teeth, the bucket teeth are internally provided with transition pipes, the lower ends of the transition pipes are communicated with the water inlet cavity, the upper ends of the transition pipes are communicated with the water outlet cavity, the digging tooth shaft is internally provided with a heat outlet pipeline, the heat outlet pipeline corresponds to the positive phase of the passive fan, the bucket is internally provided with a water outlet pipe, the bucket is, the water outlet pipe is communicated with the hot water tank, and the cold water tank is communicated with the water inlet pipe.
Furthermore, a heat collection cavity is arranged in the bucket tooth, a through shaft is arranged in the upper wall of the heat collection cavity in a rotating mode, a spiral blade is fixedly arranged on the left side of the through shaft, a heat exhaust fan is fixedly arranged on the right side of the through shaft, a heat outlet is fixedly arranged on the right side of the heat collection cavity, and the heat outlet is communicated with the heat outlet pipeline.
Furthermore, dig the fixed flange that is equipped with in gear shaft upside, dig the right side of gear shaft and fixedly be equipped with the vent.
Furthermore, a wind shield is fixedly arranged on the left side of the bucket, an elastic filter screen is arranged between the wind shield and the convex plate, a cooling motor is fixedly arranged on the left wall of the bucket, a cooling fan is fixedly arranged on a motor shaft of the cooling motor, a cooling liquid net is fixedly arranged on the lower surface of the wind shield, a cooling liquid net cavity is arranged in the cooling liquid net, and a cooling liquid pipe is fixedly arranged in the wind shield.
Further, the bucket internal fixation is equipped with the coolant liquid case, the coolant liquid case with coolant liquid pipe intercommunication, in the bucket the coolant liquid case upside is fixed and is equipped with the linkage chamber, it is equipped with logical commentaries on classics pipe to rotate on the linkage chamber left wall, lead to the fixed linkage gear that is equipped with in commentaries on classics pipe right side, be equipped with the pressure chamber in the bucket, it is equipped with the pressure plate to slide in the pressure chamber, the pressure plate with be equipped with the roof pressure spring between the pressure chamber diapire, it is equipped with cooling switch to slide on the pressure chamber diapire, the fixed driving rack that is equipped with of cooling switch downside, driving rack with the transmission of linkage gear engagement.
Furthermore, a watering cavity is fixedly arranged on the upper side of the bucket, an electric watering sliding rail is fixedly arranged on the bottom wall of the watering cavity, a watering tank is arranged in the electric watering sliding rail in a sliding mode, an elliptical cavity is arranged in the watering tank, a gravity ball is arranged in the elliptical cavity in a rotating mode, a spray head is fixedly arranged on the lower side of the gravity ball, and the elliptical cavity is communicated with the hot water tank through a transition pipe.
The invention has the beneficial effects that: after the equipment is arranged at the designated position, the bucket tooth can be cooled when the excavator works, firstly, cold water passes through the bucket tooth through water cooling, secondly, hot gas in the bucket tooth is discharged, secondly, the bucket tooth is cooled through cooling liquid, and finally, the bucket tooth is cooled through sprinkling water, so that the temperature of the bucket tooth is reduced to the maximum extent, and the working efficiency of the excavator is ensured.
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 a schematic view of the structure a-a in fig. 1.
Fig. 3 is a schematic diagram of the structure B in fig. 1.
Fig. 4 is a schematic diagram of the structure C-C in fig. 3.
Fig. 5 is a schematic diagram of the structure D-D in fig. 3.
Fig. 6 is a schematic diagram of structure E in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, 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.
The excavator bucket tooth equipment with the cooling function described in conjunction with fig. 1-6 comprises an excavator bucket 10 and a working cavity 46 arranged in the excavator bucket 10, wherein a rotary vibration base 51 is fixedly arranged on the right wall of the working cavity 46, a rotary rod 52 is rotatably arranged in the rotary vibration base 51, a limiting ball 47 is fixedly arranged on the rear wall of the working cavity 46, the rotary rod 52 is slidably arranged in the limiting ball 47, a vibration ring 48 is fixedly arranged on the left side of the rotary rod 52, a rotary vibration motor 54 is fixedly arranged in the vibration ring 48, a main motor 55 is fixedly arranged on a motor shaft of the rotary vibration motor 54, a rotating shaft 57 is rotatably arranged around the vibration ring 48, eccentric blocks 58 with different directions are fixedly arranged on the outer side of the rotating shaft 57, a sub-gear 56 is fixedly arranged on the inner side of the rotating shaft 57, the sub-gear 56 is respectively engaged and driven with the main motor 55, and a driven fan 91 is fixedly arranged on the rotating shaft of the main motor 55, the left side of the vibrating ring 48 is fixedly provided with a driving shaft 92, the working cavity 46 is fixedly provided with a fixed rod 45, the driving shaft 92 is slidably mounted in the fixed rod 45, the working cavity 46 is slidably provided with a digging tooth shaft 23, the digging tooth shaft 23 is internally provided with a water inlet cavity 28, the water inlet cavity 28 is internally fixedly provided with a water inlet pump 29, the bottom wall of the water inlet cavity 28 is fixedly provided with a water inlet check valve 34, the digging tooth shaft 23 is internally provided with a water outlet cavity 59, the water outlet cavity 59 is internally and fixedly provided with a water outlet pump 33, the top wall of the water outlet pump 33 is fixedly provided with a water outlet check valve 35, the left side of the digging tooth shaft 23 is fixedly provided with a bucket tooth 22, the bucket tooth 22 is internally provided with a transition pipe 39, the lower end of the transition pipe 39 is communicated with the water inlet cavity 28, the upper end of the transition pipe 39 is communicated with the water outlet cavity 59, the digging tooth shaft 23 is internally provided with, the water-saving type water-cooling excavator is characterized in that a water outlet pipe 32 is arranged in the excavator bucket 10, a water inlet pipe 31 is fixedly arranged in the excavator bucket 10, a cold water tank 12 is fixedly arranged on the upper side of the excavator bucket 10, a hot water tank 11 is fixedly arranged on the upper side of the excavator bucket 10, the water outlet pipe 32 is communicated with the hot water tank 11, and the cold water tank 12 is communicated with the water inlet pipe 31.
Advantageously, a heat collecting cavity 24 is arranged in the bucket tooth 22, a through shaft 25 is rotatably arranged in the upper wall of the heat collecting cavity 24, a spiral blade 26 is fixedly arranged on the left side of the through shaft 25, a heat exhausting fan 27 is fixedly arranged on the right side of the through shaft 25, a heat outlet 37 is fixedly arranged on the right side of the heat collecting cavity 24, and the heat outlet 37 is communicated with the heat outlet pipeline 36.
Advantageously, a convex plate 38 is fixedly arranged on the upper side of the digging tooth shaft 23, and a vent 49 is fixedly arranged on the right side of the digging tooth shaft 23.
Beneficially, a wind shield 42 is fixedly arranged on the left side of the excavator bucket 10, an elastic filter screen 41 is arranged between the wind shield 42 and the convex plate 38, a cooling motor 65 is fixedly arranged on the left wall of the excavator bucket 10, a cooling fan 64 is fixedly arranged on a motor shaft of the cooling motor 65, a cooling liquid net 99 is fixedly arranged on the lower surface of the wind shield 42, a cooling liquid net cavity 63 is arranged in the cooling liquid net 99, and a cooling liquid pipe 62 is fixedly arranged in the wind shield 42.
Beneficially, a cooling liquid tank 75 is fixedly arranged in the excavator bucket 10, the cooling liquid tank 75 is communicated with the cooling liquid pipe 62, a linkage cavity 66 is fixedly arranged in the excavator bucket 10 and on the upper side of the cooling liquid tank 75, a through rotating pipe 76 is arranged on the left wall of the linkage cavity 66 in a rotating mode, a linkage gear 74 is fixedly arranged on the right side of the through rotating pipe 76, a pressure cavity 68 is arranged in the excavator bucket 10, a pressure plate 67 is arranged in the pressure cavity 68 in a sliding mode, a jacking spring 71 is arranged between the bottom walls of the pressure cavity 67 and the pressure plate 67, a cooling switch 97 is arranged on the bottom wall of the pressure cavity 68 in a sliding mode, a transmission rack 72 is fixedly arranged on the lower side of the cooling switch 97, and the transmission rack 72 is in.
Beneficially, a watering cavity 13 is fixedly arranged on the upper side of the excavator bucket 10, an electric watering sliding rail 14 is fixedly arranged on the bottom wall of the watering cavity 13, a watering tank 15 is arranged in the electric watering sliding rail 14 in a sliding mode, an elliptical cavity 17 is arranged in the watering tank 15, a gravity ball 18 is rotatably arranged in the elliptical cavity 17, a spray head 16 is fixedly arranged on the lower side of the gravity ball 18, and the elliptical cavity 17 is communicated with the hot water tank 11 through a transition pipe 19.
Sequence of mechanical actions of the whole device: initial state: the watering tank 15 is positioned at the right side of the watering electric slide rail 14;
during the operation of the bucket, the rotary vibration motor 54 is started to drive the main motor 55 to rotate, the main motor 55 drives the sub-gear 56 to rotate, the sub-gear 56 drives the rotating shaft 57 to rotate, the rotating shaft 57 drives the eccentric block 58 to rotate, due to the irregular rotation of the eccentric block 58, the eccentric block 58 can drive the vibration ring 48 to vibrate and rotate, the vibration ring 48 drives the driving shaft 92 to vibrate and rotate, the driving shaft 92 drives the digging tooth shaft 23 to vibrate and rotate, cold water enters the water inlet cavity 28 from the water inlet pipe 31 and the water inlet check valve 34, the cold water enters the transition pipe 39 through the pressurization of the water inlet pump 29, the transition pipe 39 drives the spiral blade 26 and the through shaft 25 to rotate when passing through the spiral blade 26, the through shaft 25 can drive the heat exhaust fan 27 to rotate, the heat exhaust fan 27 can exhaust the outside of the hot air tank heat outlet 37 in the heat collection cavity 24 and enter the heat outlet pipeline 36 to blow the passive fan 91, and the passive fan 91 can drive the main motor, cold water can cool the bucket teeth 22, the bucket teeth 22 can work continuously, when earth is pressed on the upper side of the pressure plate 67 during shoveling, the pressure plate 67 presses the cooling switch 97 downwards, the cooling switch 97 starts the cooling motor 65, the cooling motor 65 drives the cooling fan 64 to rotate, the cooling switch 97 drives the transmission rack 72 to move downwards, the transmission rack 72 can drive the linkage gear 74 to rotate, the linkage gear 74 drives the through-rotating pipe 76 to rotate, the through-rotating pipe 76 is communicated with the cooling liquid pipe 62 and the cooling liquid tank 75, the cooling liquid enters the cooling liquid network cavity 63, the cooling fan 64 can blow the cooling liquid on the surface of the bucket teeth 22 for cooling, the watering electric slide rail 14 starts the watering tank 15 to move outwards, when the spray head 16 moves outwards, when the bucket is in a state as shown in the figure, the gravity ball 18 moves upwards, the transition pipe 19 is communicated with the spray head 16, the spray head 16 sprays water to the relieved teeth for cooling.
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. An excavator bucket tooth equipment with cooling function, includes the bucket and sets up in the working chamber in the bucket, its characterized in that: a rotary vibration base is fixedly arranged on the right wall of the working cavity, a rotary rod is rotationally arranged in the rotary vibration base, a limiting ball is fixedly arranged on the rear wall of the working cavity, the rotary rod is slidably arranged in the limiting ball, a vibration ring is fixedly arranged on the left side of the rotary rod, a rotary vibration motor is fixedly arranged in the vibration ring, a main motor is fixedly arranged on a motor shaft of the rotary vibration motor, a rotary shaft is rotationally arranged around the vibration ring, eccentric blocks with different directions are fixedly arranged on the outer side of the rotary shaft, branch gears are fixedly arranged on the inner side of the rotary shaft, the branch gears are respectively in meshing transmission with the main motor, a driven fan is fixedly arranged on the rotary shaft of the main motor, a driving shaft is fixedly arranged on the left side of the vibration ring, a fixed rod is fixedly arranged in the working cavity, the driving shaft is slidably arranged in the fixed rod, the water inlet cavity is arranged in the digging tooth shaft, a water inlet pump is fixedly arranged in the water inlet cavity, a water inlet one-way valve is fixedly arranged on the bottom wall of the water inlet cavity, a water outlet cavity is arranged in the digging tooth shaft, a water outlet pump is fixedly arranged in the water outlet cavity, a water outlet one-way valve is fixedly arranged on the top wall of the water outlet pump, bucket teeth are fixedly arranged on the left side of the digging tooth shaft, transition pipes are arranged in the bucket teeth, the lower ends of the transition pipes are communicated with the water inlet cavity, the upper ends of the transition pipes are communicated with the water outlet cavity, heat outlet pipelines are arranged in the digging tooth shaft and correspond to the positive phase of the passive fan, water outlet pipes are arranged in the bucket, a water inlet pipe is fixedly arranged in the bucket, a cold water tank is fixedly arranged on the upper side of the bucket, a hot water tank is fixedly arranged on the upper side of the bucket, the.
2. The excavator bucket tooth apparatus having a cooling function of claim 1, wherein: the improved bucket tooth is characterized in that a heat collection cavity is arranged in the bucket tooth, a through shaft is arranged in the upper wall of the heat collection cavity in a rotating mode, a spiral blade is fixedly arranged on the left side of the through shaft, a heat exhaust fan is fixedly arranged on the right side of the through shaft, a heat outlet is fixedly arranged on the right side of the heat collection cavity, and the heat outlet is communicated with the heat outlet pipeline.
3. The excavator bucket tooth apparatus having a cooling function of claim 1, wherein: dig the fixed flange that is equipped with of gear shaft upside, dig the fixed vent that is equipped with in right side of gear shaft.
4. The excavator bucket tooth apparatus having a cooling function of claim 1, wherein: the excavator bucket is characterized in that a wind shield is fixedly arranged on the left side of the excavator bucket, an elastic filter screen is arranged between the wind shield and the convex plate, a cooling motor is fixedly arranged on the left wall of the excavator bucket, a cooling fan is fixedly arranged on a motor shaft of the cooling motor, a cooling liquid net is fixedly arranged on the lower surface of the wind shield, a cooling liquid net cavity is arranged in the cooling liquid net, and a cooling liquid pipe is fixedly arranged in the wind shield.
5. The excavator bucket tooth apparatus having a cooling function of claim 1, wherein: the excavator bucket internal fixation is equipped with the coolant liquid case, the coolant liquid case with coolant liquid pipe intercommunication, in the excavator bucket the fixed linkage chamber that is equipped with of coolant liquid case upside, it is equipped with logical commentaries on classics pipe to rotate on the wall of linkage chamber left side, lead to the fixed linkage gear that is equipped with in commentaries on classics pipe right side, be equipped with the pressure chamber in the excavator bucket, it is equipped with the pressure plate to slide in the pressure chamber, the pressure plate with be equipped with the roof pressure spring between the pressure chamber diapire, it is equipped with cooling switch to slide on the pressure chamber diapire, the fixed driving rack that is equipped with of cooling switch downside, driving rack with the transmission of.
6. The excavator bucket tooth apparatus having a cooling function of claim 1, wherein: the automatic watering device is characterized in that a watering cavity is fixedly arranged on the upper side of the bucket, an electric watering slide rail is fixedly arranged on the bottom wall of the watering cavity, a watering tank is arranged in the electric watering slide rail in a sliding mode, an oval cavity is arranged in the watering tank, a gravity ball is arranged in the oval cavity in a rotating mode, a nozzle is fixedly arranged on the lower side of the gravity ball, and the oval cavity is communicated with the hot water tank through a transition pipe.
CN202110022337.2A 2021-01-08 2021-01-08 Excavator bucket tooth equipment with cooling function Withdrawn CN112502233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110022337.2A CN112502233A (en) 2021-01-08 2021-01-08 Excavator bucket tooth equipment with cooling function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110022337.2A CN112502233A (en) 2021-01-08 2021-01-08 Excavator bucket tooth equipment with cooling function

Publications (1)

Publication Number Publication Date
CN112502233A true CN112502233A (en) 2021-03-16

Family

ID=74952059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110022337.2A Withdrawn CN112502233A (en) 2021-01-08 2021-01-08 Excavator bucket tooth equipment with cooling function

Country Status (1)

Country Link
CN (1) CN112502233A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1409797A1 (en) * 2000-10-19 2004-04-21 Graham Hargrave Menz Trenching machine
CN109355479A (en) * 2018-10-18 2019-02-19 燕山大学 A kind of engineering machinery scraper bucket tooth induction heating tissue repair device and restorative procedure
CN209798861U (en) * 2019-04-11 2019-12-17 新疆互力佳源环保科技有限公司 Excavator bucket with good heat-resisting effect
CN211621733U (en) * 2019-11-11 2020-10-02 合肥市弘泽机械加工有限公司 Movable arm and bucket rod mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1409797A1 (en) * 2000-10-19 2004-04-21 Graham Hargrave Menz Trenching machine
CN109355479A (en) * 2018-10-18 2019-02-19 燕山大学 A kind of engineering machinery scraper bucket tooth induction heating tissue repair device and restorative procedure
CN209798861U (en) * 2019-04-11 2019-12-17 新疆互力佳源环保科技有限公司 Excavator bucket with good heat-resisting effect
CN211621733U (en) * 2019-11-11 2020-10-02 合肥市弘泽机械加工有限公司 Movable arm and bucket rod mechanism

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Application publication date: 20210316

WW01 Invention patent application withdrawn after publication