CN109680739A - Broken hopper, the excavator and material breaking method that hopper is crushed with this - Google Patents

Broken hopper, the excavator and material breaking method that hopper is crushed with this Download PDF

Info

Publication number
CN109680739A
CN109680739A CN201910020055.1A CN201910020055A CN109680739A CN 109680739 A CN109680739 A CN 109680739A CN 201910020055 A CN201910020055 A CN 201910020055A CN 109680739 A CN109680739 A CN 109680739A
Authority
CN
China
Prior art keywords
broken
hopper
coaming plate
shaft
flinders
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.)
Pending
Application number
CN201910020055.1A
Other languages
Chinese (zh)
Inventor
刘大勇
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.)
Beijing Hao Chen Investment Co Ltd By Guarantee
Original Assignee
Beijing Hao Chen Investment Co Ltd By Guarantee
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 Beijing Hao Chen Investment Co Ltd By Guarantee filed Critical Beijing Hao Chen Investment Co Ltd By Guarantee
Priority to CN201910020055.1A priority Critical patent/CN109680739A/en
Publication of CN109680739A publication Critical patent/CN109680739A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/40Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/18Knives; Mountings thereof
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/40Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/401Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload

Abstract

The excavator and material breaking method of hopper are crushed the invention discloses a kind of broken hopper, with this, the broken hopper includes hopper, broken shaft, more broken shafts are provided in the hopper, the more broken shafts are arranged along first direction interval and every broken shaft extends along the second direction intersected with the first direction, it is axially spaced on every broken shaft to be provided with multiple flinders, there are at least four broken swords circumferentially configured, the flinders on adjacent broken shaft is interconnected along the second direction on each flinders.The present invention can uniformly be crushed the material of same layer different location and different layers in hopper, and fragmentation quality and efficiency are improved.

Description

Broken hopper, the excavator and material breaking method that hopper is crushed with this
Technical field
The invention belongs to material crushing technology fields more particularly to a kind of material to be crushed hopper, have material crushing function Excavator and material breaking method.
Background technique
Excavator is to be excavated with scraper bowl, shovel dress material, and be packed into haulage vehicle or unload to the engineering machinery of rickyard.It excavates Mechanical shovel bucket only has the function of shovel dress material, and due to not of uniform size by the material size of shovel dress, to will lead to loading transport vehicle Or unload to the material size of rickyard and uneven.
Existing material subsequent operation and use for convenience, it is additional right to need after filling, being transported to destination by material scraper Material carries out break process to guarantee that material size is uniform.However, due to increasing additional material break process process and object Material break process is carried out after digger shovel dress, transported material, and material processing cost and processing are so greatly improved Efficiency, there are the problems such as high production cost, working efficiency be low.
Summary of the invention
In view of the problems of the existing technology, the purpose of the present invention is to provide a kind of raising crushing efficiencies, reduction production Broken hopper, excavator and the material breaking method of cost.
To achieve the above object, one aspect of the present invention provides a kind of broken hopper, including hopper, broken shaft, the hopper In be provided with more broken shafts, the more broken shafts be arranged along first direction interval and every broken shaft along and described first The second direction of direction intersection extends, axially spaced on every broken shaft to be provided with multiple flinders, has on each flinders There is the broken sword of at least four circumferentially configured, the flinders on adjacent broken shaft is interconnected along the second direction.
Further, the hopper include the first coaming plate, the second coaming plate, third coaming plate and the 4th coaming plate, first coaming plate, Around surrounding storing space, storing space two sides, which are provided with, to be oppositely arranged for second coaming plate, third coaming plate and the 4th coaming plate Inlet port and outlet port, the more broken shafts are arranged in the discharge port side.
Further, the opening bore of the feed inlet is greater than the opening bore of the discharge port.
Further, first coaming plate and the third coaming plate are opposite, and second coaming plate and the 4th coaming plate are opposite, First coaming plate extends along the first direction and connects with the second coaming plate and the 4th coaming plate extended along the second direction, The third coaming plate extends along the first direction and connects with the second coaming plate and the 4th coaming plate extended along the second party;Institute The one end for stating broken shaft is arranged on first coaming plate, and the other end of the broken shaft is arranged on the third coaming plate.
Further, on every broken shaft the line of the broken sword of spaced multiple flinders not in same straight line.
Further, the line of the broken sword of spaced multiple flinders helically arrange by line on the broken shaft.
It further, further include driving mechanism, the driving mechanism is for driving the broken shaft to rotate.
Further, the driving mechanism is provided with multiple driving units corresponding with the broken number of axle, each drive Moving cell independently drives a broken shaft to rotate.
Further, the driving mechanism includes driving unit and gear unit, and the driving unit drives the transmission single Metaaction is to drive the broken shaft to rotate.
Further, the gear unit is gear drive group or chain sprocket transmission group or belt pulley drive group.
Another aspect of the present invention provides a kind of excavator, including car body and above-mentioned broken hopper, the power of the car body The broken hopper is connected by power on arm.
Another aspect of the present invention provides a kind of material breaking method, includes the following steps:
Configure above-mentioned excavator;
The shovel dress material into the broken hopper;
The broken hopper is being driven into destination moving process the broken shaft in the broken hopper rotate, in turn The broken sword of flinders on the broken shaft is driven to be crushed the material of shovel dress.
More broken shafts are set in broken hopper of the invention, on every broken shaft it is axially spaced be provided with it is multiple broken Piece, the flinders on adjacent broken shaft are crushed along the interconnected material to same layer different location of the second direction. In addition, having at least four broken swords circumferentially configured can be to the material of different layers on the flinders on every broken shaft It is crushed, can so guarantee that the material in broken hopper can be uniformly crushed, improve broken quality and efficiency.
In addition, material breaking method of the invention, described in the broken hopper is driven into destination moving process Broken shaft rotation in broken hopper, and then the broken sword of flinders on the broken shaft is driven to carry out brokenly the material of shovel dress It is broken, material may be implemented in shovel dress, transportational process while carrying out break process, eliminate additional material broken process and saving Break process efficiency is saved.
Detailed description of the invention
Fig. 1 is the schematic perspective view at one visual angle of broken hopper of one embodiment of the invention;
Fig. 2 is the schematic perspective view at another visual angle of broken hopper of one embodiment of the invention;
Fig. 3 is the structural schematic diagram of driving mechanism in the broken hopper of one embodiment of the invention;
Fig. 4 is the structural schematic diagram of broken shaft in the broken hopper of one embodiment of the invention;
Fig. 5 is the structural schematic diagram for the flinders being arranged on the broken shaft of one embodiment of the invention;
Fig. 6 is the flow diagram of the material breaking method of one embodiment of the invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes Formula is implemented, and is not understood as limited to embodiment set forth herein;On the contrary, thesing embodiments are provided so that the present invention will Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure Icon note indicates same or similar structure, thus will omit repetition thereof.
As shown in Figure 1, being crushed hopper, including hopper 11, broken shaft 12, more broken shafts are provided in the hopper 11 12, the more broken shafts 12,13,14,15 along the setting of first direction (in figure in hopper 11 laterally) interval and broken shaft 12, 13,14,15 along second direction (vertical direction in hopper 11 in figure) extension intersect with the first direction, broken shaft 12,13, 14, it is arranged at intervals with multiple flinders 22,23,24,25 respectively in axial direction on 15.By on more broken shafts 12,13,14,15 Multiple flinders 22,23,24,25 material of multiple positions in hopper 11 can be crushed, can be to each in hopper 11 The material at place is uniformly crushed, and the broken uniformity of material is improved.Fig. 5 be flinders 22 structural schematic diagram, flinders 23, 24,25 structures are same.As shown in figure 5, flinders 22 has the four broken swords circumferentially configured, four broken sword distributions In the upper and lower, left and right all directions of broken shaft 22, can be uniformly crushed to material is distributed around broken shaft.Adjacent is broken Flinders 22,23 on broken axis 12,13, the flinders 23,24 on broken shaft 13,14, flinders 24 on broken shaft 14,15, 25 is interconnected along the second direction, can be crushed to the material of same layer different location and be rotated in two panels flinders When the lower crushing efficiency that can further increase material of extruding force effect.It should be noted that the present embodiment is in hopper It is illustrated for four broken shafts of middle setting, the quantity that broken shaft is arranged in hopper can do corresponding tune according to actual needs Whole, the quantity that broken sword is arranged on flinders is also not limited to four, can also do appropriate increase according to actual needs, but extremely It is few to need to be arranged on flinders four to meet broken uniformity needs.
In an optional embodiment, as depicted in figs. 1 and 2, hopper 11 includes the first coaming plate 31, the second coaming plate 32, the Three coaming plates 33 and the 4th coaming plate 34, first coaming plate, the second coaming plate, third coaming plate and the 4th coaming plate are empty around storing is surrounded Between, storing space two sides are provided with the feed inlet 41 and discharge port 42 being oppositely arranged, and the setting of broken shaft 12,13,14,15 exists 42 side of discharge port.The first coaming plate 31, the second coaming plate 32, third coaming plate 33 and the 4th coaming plate 34 surround storing space in figure Upper opening be feed inlet 41, lower opening be discharge port 42.Material is fitted into from feed inlet 41 into hopper 11, in hopper 11 Material falls to flinders 22,23,24,25 dozens that broken shaft 12,13,14,15 is broken on axis 12,13,14,15 by self weight Broken, broken material falls from the gap between flinders 22,23,24,25 and is discharged from discharge port 42.Wherein, it is described into The opening bore of material mouth 41 can be greater than the opening bore of the discharge port 42, convenient for the shovel dress material into broken hopper, slow down The falling speed of material, the material for avoiding broken hopper broken when not moving to material and transporting destination are discharged from discharge port.
In an optional embodiment, first coaming plate 31 and the third coaming plate 33 are opposite, second coaming plate 32 It is with the 4th coaming plate 34 opposite, first coaming plate 31 extend along the first direction and with extend along the second direction Second coaming plate 32 and the 4th coaming plate 34 connect, and the third coaming plate 33 extends along the first direction and prolongs with along the second party The second coaming plate 32 stretched and the 4th coaming plate 34 connect;One end of the broken shaft 12,13,14,15 is arranged in first coaming plate On 31, the other end of the broken shaft 12,13,14,15 is arranged on the third coaming plate 33.It is configured in this way to be convenient in hopper Fixed broken shaft.In addition, broken shaft 12,13,14,15 can also be arranged on second coaming plate 32 with one end, other end setting On the 4th coaming plate 24.
In an optional embodiment, Fig. 4 be broken shaft 12 structural schematic diagram, the structure of broken shaft 13,14,15 and its It is identical.As shown in figure 4, the line of the broken sword 221 of spaced multiple flinders 22 is not straight in same on broken shaft 12 Line, and the line of broken sword 221 helically arrange by line.It can be improved configured in this way and be crushed 221 broken material of sword on broken shaft 12 Efficiency and the broken uniformity of material.
In an optional embodiment, the driving that driving broken shaft 12,13,14,15 rotates is additionally provided on broken hopper Mechanism, driving mechanism may be mounted on hopper 11, also can be set outside hopper.Driving mechanism can be set breaks with described The corresponding multiple driving units of the broken number of axle, each driving unit independently drive a broken shaft to rotate.For example, in above-mentioned implementation Broken shaft 12,13,14,15 is four in example, then corresponds to every broken shaft and a driving unit is respectively set.
In an optional embodiment, as shown in Figures 2 and 3, the driving mechanism includes that driving unit 51 and transmission are single Member 52, the driving unit 51 drive the movement of gear unit 52 to drive broken shaft 12,13,14,15 to rotate.Wherein, it passes Moving cell 52 include rack gear 521, driving gear 526,527, driven gear 522,523,524,525, driving gear 526,527 with The driving end of driving unit 51 is connected by power, and driven gear 522,523,524,525 is separately mounted to broken shaft 12,13,14,15 One end, rack gear 521 and driving gear 526, driven gear 522,523,524,525, driving gear 527 be intermeshed, driving Unit 51 drives the rotation of driving gear 526,527 that driven gear 522,523,524,525 can be driven to rotate, and then drives broken shaft 12,13,14,15 rotation.Wherein, gear unit can also use chain sprocket transmission group or belt pulley drive group.
In an optional embodiment, the bottom of discharge port 42 is additionally provided with limit plate 61,62,63,64, broken shaft 12, 13, the flinders 22,23,24,25 on 14,15 is located at the conduit 611,621,631,641 on limit plate 61,62,63,64 In, position when can rotate to the flinders 22,23,24,25 on broken shaft 12,13,14,15 is defined, and avoids being crushed Piece 22,23,24,25 is frustrated when rotating influences material crushing efficiency and the broken uniformity.
The present invention also provides a kind of excavators, including car body and above-mentioned broken hopper, move on the power arm of the car body Power connects the broken hopper.Excavator at work, first controls material hopper and material scraper is filled in hopper, then control again Hopper rotation, is arranged in a vertical direction the inlet port and outlet port of hopper, the material in hopper falls to discharge port by self weight The broken shaft position at place, the rotation of driving broken shaft can carry out break process to the material of whereabouts, by broken material To be discharged from hopper.
As shown in fig. 6, material breaking method of the invention, includes the following steps:
Step S11: above-mentioned excavator is configured;Wherein, configured with the broken material with above-mentioned crushing function on excavator Bucket;
Step S12: the shovel dress material into the broken hopper;
Step S13: the broken hopper is being driven to the broken shaft in the broken hopper into destination moving process Rotation, and then the broken sword of flinders on the broken shaft is driven to be crushed the material of shovel dress.
The present invention can carry out break process to material by broken hopper during shovel dress material and transported material, mention Simultaneously subsequent material broken process is omitted in the high crushing efficiency of material, saves material processing time and processing cost
The present invention can carry out fragmentation procedure, such as coal, cereal etc. to solid material, but the present invention is not limited thereto System.
The above content is combine specific optional embodiment further detailed description of the invention, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (10)

1. a kind of broken hopper, which is characterized in that including hopper, broken shaft, more broken shafts are provided in the hopper, it is described More broken shafts are arranged along first direction interval and every broken shaft extends along the second direction intersected with the first direction, It is axially spaced on every broken shaft to be provided with multiple flinders, have circumferentially configure at least four to break on each flinders Broken sword, the flinders on adjacent broken shaft are interconnected along the second direction.
2. broken hopper as described in claim 1, which is characterized in that the hopper includes the first coaming plate, the second coaming plate, third Coaming plate and the 4th coaming plate, first coaming plate, the second coaming plate, third coaming plate and the 4th coaming plate surround and surround storing space, described Storing space two sides are provided with the inlet port and outlet port being oppositely arranged, and the more broken shafts are arranged in the discharge port one Side.
3. broken hopper as claimed in claim 2, which is characterized in that the opening bore of the feed inlet is greater than the discharge port Opening bore.
4. broken hopper as claimed in claim 2, which is characterized in that first coaming plate and the third coaming plate are opposite, institute State the second coaming plate and the 4th coaming plate be opposite, first coaming plate extend along the first direction and with along the second direction The second coaming plate and the 4th coaming plate extended connects, and the third coaming plate extends along the first direction and prolongs with along the second party The second coaming plate and the 4th coaming plate stretched connect;One end of the broken shaft is arranged on first coaming plate, the broken shaft The other end is arranged on the third coaming plate.
5. broken hopper as described in claim 1, which is characterized in that spaced multiple flinders on the broken shaft The line of broken sword helically arrange by line.
6. broken hopper as described in claim 1, which is characterized in that further include driving mechanism, the driving mechanism is for driving Move broken shaft rotation, the driving mechanism is provided with multiple driving units corresponding with the broken number of axle, each Driving unit independently drives a broken shaft to rotate.
7. broken hopper as described in claim 1, which is characterized in that further include driving mechanism, the driving mechanism is for driving The broken shaft rotation is moved, the driving mechanism includes driving unit and gear unit, and the driving unit drives the transmission Unit movement is to drive the broken shaft to rotate.
8. broken hopper as claimed in claim 7, which is characterized in that the gear unit is gear drive group or chain sprocket Transmission group or belt pulley drive group.
9. a kind of excavator, which is characterized in that described including car body and such as described in any item broken hoppers of claim 1-8 The broken hopper is connected by power on the power arm of car body.
10. a kind of material breaking method, which comprises the steps of:
Configure excavator as claimed in claim 9;
The shovel dress material into the broken hopper;
The broken hopper is being driven the broken shaft in the broken hopper rotate into destination moving process, and then driven The broken sword of flinders is crushed the material of shovel dress on the broken shaft.
CN201910020055.1A 2019-01-09 2019-01-09 Broken hopper, the excavator and material breaking method that hopper is crushed with this Pending CN109680739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910020055.1A CN109680739A (en) 2019-01-09 2019-01-09 Broken hopper, the excavator and material breaking method that hopper is crushed with this

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910020055.1A CN109680739A (en) 2019-01-09 2019-01-09 Broken hopper, the excavator and material breaking method that hopper is crushed with this

Publications (1)

Publication Number Publication Date
CN109680739A true CN109680739A (en) 2019-04-26

Family

ID=66192176

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910020055.1A Pending CN109680739A (en) 2019-01-09 2019-01-09 Broken hopper, the excavator and material breaking method that hopper is crushed with this

Country Status (1)

Country Link
CN (1) CN109680739A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110976017A (en) * 2019-12-19 2020-04-10 胡美玉 Intelligent solid waste collection system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8360249B1 (en) * 2006-11-22 2013-01-29 Albert Ben Currey Crusher and mechanical bucket for use therewith
CN204590140U (en) * 2015-02-06 2015-08-26 柳州市奥火工程机械有限公司 A kind of sieving approach scraper bowl
CN205032239U (en) * 2015-09-07 2016-02-17 王守信 Crushing and screening scraper bowl
CN106111273A (en) * 2016-06-24 2016-11-16 南通振强机械制造有限公司 A kind of rotary teeth type disintegrating machine
CN207032354U (en) * 2017-07-26 2018-02-23 北京昊辰投资担保有限公司 Broken or screening plant and standby with broken or screening plant shovel installing
CN209854796U (en) * 2019-01-09 2019-12-27 北京昊辰投资担保有限公司 Crushing hopper and excavator with same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8360249B1 (en) * 2006-11-22 2013-01-29 Albert Ben Currey Crusher and mechanical bucket for use therewith
CN204590140U (en) * 2015-02-06 2015-08-26 柳州市奥火工程机械有限公司 A kind of sieving approach scraper bowl
CN205032239U (en) * 2015-09-07 2016-02-17 王守信 Crushing and screening scraper bowl
CN106111273A (en) * 2016-06-24 2016-11-16 南通振强机械制造有限公司 A kind of rotary teeth type disintegrating machine
CN207032354U (en) * 2017-07-26 2018-02-23 北京昊辰投资担保有限公司 Broken or screening plant and standby with broken or screening plant shovel installing
CN209854796U (en) * 2019-01-09 2019-12-27 北京昊辰投资担保有限公司 Crushing hopper and excavator with same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110976017A (en) * 2019-12-19 2020-04-10 胡美玉 Intelligent solid waste collection system

Similar Documents

Publication Publication Date Title
CN104291121B (en) Bulk cargo collecting device, bulk cargo carloader and loading method
CN103388346B (en) All-in-one is loaded in mining excavation
CN209493088U (en) A kind of tipping bucket type windrow feeder
CN109680739A (en) Broken hopper, the excavator and material breaking method that hopper is crushed with this
CN203393758U (en) Mining excavating and loading integrated machine
CN207829881U (en) Mine bucket wheel miner
CN201753453U (en) Hydraulic loader-digger
CN209854796U (en) Crushing hopper and excavator with same
CN207032354U (en) Broken or screening plant and standby with broken or screening plant shovel installing
CN209854793U (en) Automatic reclaimer and excavating equipment
US3052050A (en) Excavator bucket assembly
CN211619165U (en) Double-inlet and double-outlet bucket elevator
CN209618711U (en) A kind of grab bucket transporting equipment
CN203570314U (en) Drum front-cutting type continuous mining and loading machine for open pit coal mine
CN210906501U (en) Movable type breaking and transporting integrated machine
CN210393009U (en) Rock loading machine
CN215248216U (en) Bucket wheel device and bucket wheel stacker-reclaimer
CN208647813U (en) A kind of roller transportation system of built-in bucket type material guiding parts
CN102951429A (en) Belt type automatic-cleaning coal feeder
CN107051630A (en) Disintegrating machine
CN205931906U (en) Crushing and screening stirring removed bold integration feeding hopper during soil was restoreed
CN211849673U (en) Excavation carrier and excavation device
CN203420708U (en) Conveying mechanism dedicated to mine mining and loading integrated machine
CN206070609U (en) Chain type depth adjustable bucket component
CN216234370U (en) Novel feed bin filling cloth machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190426