CN106522295A - Side dumping device for loading machine - Google Patents
Side dumping device for loading machine Download PDFInfo
- Publication number
- CN106522295A CN106522295A CN201610947017.7A CN201610947017A CN106522295A CN 106522295 A CN106522295 A CN 106522295A CN 201610947017 A CN201610947017 A CN 201610947017A CN 106522295 A CN106522295 A CN 106522295A
- Authority
- CN
- China
- Prior art keywords
- bracket
- scraper bowl
- bucket
- discharging device
- position block
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 40
- 241000826860 Trapezium Species 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 11
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 230000005641 tunneling Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; 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
- E02F3/34—Dredgers; 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 with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
- E02F3/345—Buckets emptying side-ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; 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
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/407—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with ejecting or other unloading device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
Abstract
The invention relates to a side dumping device for a loading machine. The side dumping device comprises a bracket, a bucket, an oil cylinder, V-shaped limiting blocks and a pin shaft used for connecting the bracket and the bucket. The oil cylinder is connected with the bucket through a universal joint pin. Two sloping panels are obliquely arranged on the rear portion of a bucket wall plate of the bucket. The left side and the right side of the bracket are provided with sealing cavity steel channels penetrating through bracket hinged mounting bases. The bracket is provided with an upper limiting block assembly, and a lower limiting block assembly is installed below the bucket. The upper limiting block assembly and the lower limiting block assembly are installed in a nested mode and are both the V-shaped limiting blocks. The bucket and the bracket are both provided with oil cylinder supports which are connected through one set of hydraulic oil cylinder. The hydraulic oil cylinder can be telescoped to push the bucket to rotate around a pivot, so that leftward or rightward dumping is achieved. The degree of freedom is increased, reliable control is realized, and dumping in three directions is achieved. When the loading machine is located at a narrow and small place, the dumping operations in the forward direction, the left side direction and the right side direction can be performed through the side dumping device in the embodiment of the invention, and the phenomenon that a common dumping device is limited by various special environments is broken through.
Description
Technical field
A kind of a kind of the present invention relates to engineering machinery accessory, more particularly to loader side-discharging device.
Background technology
Loader generally has the accessory for much realizing difference in functionality, and wherein side-discharging device is exactly one kind therein, its be used for spading,
Transport and car loading operation.Common scraper bowl is all direct or indirect（With quick-change frame）Mode be arranged on loading arm before
End, this mode are limited by many environment, such as can not carry out entrucking in the tunneling operation face or small space excavated
Operation.The tunneling operation face excavated is narrower, has the rock and sandy soil piled up after blowing out in a large number, needs with loader and truck
Cooperate cleaning, if shipped with common scraper bowl, cycle time for working is lengthened, and efficiency is substantially reduced；In addition also cannot be narrow
In little space, u-turn is discharged to the material in scraper bowl in the containers such as truck, such as some mixing plants, is to reduce cost of transportation, material
Filler is closer with stockpile, and loader u-turn space is little, and cycle time for working does not allow long etc. yet, causes existing general
The use of logical loading shovel is limited；For another example at sky way operation end, due to road surface it is narrow, if with the loading of the common bucket of assembling
Machine frequently reverses end for end to load and unload material in truck, can increase operation danger coefficient；In addition, when the loader of the common scraper bowl of assembling is in tunnel
When working in road, environment complexity in rear tunnel is blown out due to cutting into a mountain, during operation, dynamic loading greatly, works under the operating mode of overload,
Bracket Jing normal offs split, and also reduce the work efficiency of loader.
The content of the invention
It is an object of the invention to provide a kind of can be with the loader side-discharging device of multiaspect discharging, it is intended to solve to load machine operation
Region, working performance are limited serious problem by working environment.
The technical solution used in the present invention is：A kind of loader side-discharging device, including bracket, scraper bowl, oil cylinder, V-arrangement limit
The bearing pin of position block, connection bracket and scraper bowl, the oil cylinder are coupled by cross axle with scraper bowl, and the headwall postlaminar part of scraper bowl has two pieces
Tilted-putted swash plate, the bracket left and right sides are provided with the upper limit with the envelope chamber channel-section steel that bracket is hinged mounting seat is penetrated on bracket
Position block assembly, is provided with lower position block component under scraper bowl, upper limit position block component is nested with lower position block component to be installed and be V-arrangement
Limited block, respectively sets cylinder support on scraper bowl with bracket, and is connected with a set of hydraulic jack, and the flexible of the hydraulic jack can be pushed away
Dynamic scraper bowl is pivoted, and realizes discharging to the left or to the right.
The present invention further technical scheme be：The cross axle provides the rotational freedom of both direction.
The present invention further technical scheme be：Center of arc's line of the headwall plate of the swash plate and scraper bowl is into a specific angle
Degree angle, is respectively fixed with hinged seat on two pieces of swash plates.
The present invention further technical scheme be：Envelope chamber channel-section steel penetrates bracket and is hinged mounting seat, is buckled in bracket main body
On.
The present invention further technical scheme be：The bracket is with scraper bowl by the pivot hinge with the horizontal 60 ° of settings
Connect.
The present invention further technical scheme be：Bracket and equipment by horizontally disposed three groups of pivot knuckles,
Connect a hydraulic jack between cylinder support on equipment and vehicle frame, the flexible of the hydraulic jack can promote bracket around pivot
Axle is rotated, and realizes positive discharging.
The present invention further technical scheme be：Including a right-angled trapezium limited block, the limited block one end is welded on scraper bowl
Plane good contact stretches out with bracket top in portion, the other end.
The present invention further technical scheme be：The lower position block components welding is in scraper bowl bottom, the upper limit position block
, on bracket base steel pipe, when scraper bowl pivots recovery, upper limit position block component and lower position block component are good for components welding
It is good to fit.
The present invention further technical scheme be：One face of the V-arrangement limited block upper shed of the lower position block component with
, into 30 °, another side is perpendicular to the ground for horizontal plane；The V-arrangement limited block opening surface of the upper limit position block component and lower position block component
Good contact.
The present invention further technical scheme be：Right-angled trapezium limited block one side is welded in scraper bowl top, another side with
Stretch out plane good contact and with the horizontal 20 ° of angles in bracket top.
The invention has the beneficial effects as follows：Compared with prior art, the oil cylinder and scraper bowl of this side-discharging device pass through one to the present invention
Root cross axle couples, and reduces stress；Scraper bowl headwall postlaminar part has two pieces of tilted-putted swash plates, is used as the welding of hinged seat
Seat, the bracket left and right sides are carried and penetrate the envelope chamber channel-section steel that bracket is hinged mounting seat；Upper limit position block component and lower position block component patch
Conjunction property is good；This side-discharging device can complete the positive discharging of common scraper bowl, can also expect to the right to the left in addition so that loader exists
Car loading operation can also be carried out in the small spaces such as tunneling operation face, and shorten cycle time for working, greatly improve working performance.
Description of the drawings
Fig. 1 is the structural representation of loader side-discharging device of the present invention；
Fig. 2 is the structural representation of bracket of the present invention；
Fig. 3 is the structural representation of scraper bowl of the present invention；
Fig. 4 is schematic diagram when loader side-discharging device of the present invention is connected with loading arm and rotating bucket pull bar.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and detailed description.
As shown in figure 1, the side-discharging device in the present invention includes bracket 50, scraper bowl 30, hinging pin shaft assembly 20 and side dumping
Hydraulic cylinder assembly 10.Bracket 50 and scraper bowl 30 are hinged mounting seat 36 with upper left hinged seat 57, a left side by hinging pin shaft assembly 20 a left side
Lower hinged seat 58 is hinged, and is only capable of relatively rotating around pivot, and side dumping hydraulic cylinder assembly 10 is mounted in bracket 50 and scraper bowl 30
Top, by the flexible relative motion position to control scraper bowl and bracket of cylinder rod.
As shown in Fig. 2 scraper bowl 30 is overall arranging into left and right Striking symmetry.Headwall plate 31 be contour plate, left plate 32, right side
Plate 33 is separately fixed at 31 two sides of headwall plate, and mutually parallel；A left side is hinged the mounting seat 36, right side and is hinged mounting seat 37 puts respectively
At hinged seat left support plate 34, the middle part of 35 vertical direction of right support plate；Left support plate 34, right support plate 35 are stuck in headwall plate 31
Rear portion, two plate relative angles are 50 °, and are fixed as one by left bent plate 38, right curved plate 39 with left plate 32, right plate 33 respectively
Body；Covered with left cover 40, right cover plate 41 and other floors at the top of scraper bowl, and be integrally fixed with plate around；Two bottoms
Pallet 44 is symmetrical to be fixed on scraper bowl bottom, and k level is parallel to the ground；Cross axle mounting seat 43 is fixed at the top of scraper bowl,
And be connected as a single entity with left cover 40, right cover plate 41, cross axle 42 is assemblied in cross axle mounting seat 43 by bolt clip plate, and with
Only there is between cross axle mounting seat 43 one degree of freedom（Rotational freedom）；
As shown in figure 3, bracket 50 is overall arranging into left and right Striking symmetry.Left support plate component 53, right support plate component 54 and
Gripper shoe component 55 is integrally fixed by steel pipe 51, side dumping cylinder installation seat 56；Two channel-section steels 52 penetrate upper left respectively and are hinged
Seat 57, lower-left hinged seat 58, upper right hinged seat 59 and bottom right hinged seat 60, and it is fixed on left support plate component 53, right support plate
The lateral surface of component 54, and opening is closed, form closed cavity；Upper left hinged seat 57, lower-left hinged seat 58, upper right hinged seat 59
And bottom right hinged seat 60 is fixed on two groups of axially bored lines of left support plate component 53, lateral surface of right support plate component 54 or so and mutually puts down
OK, the plane of formation is 60 ° with ground angle, and relative central plane Striking symmetry；Two groups of holes of side dumping cylinder installation seat 56
Axis is also symmetrical with respect to central plane, and the plane of formation is 60 ° with the angle on ground；
Side-discharging device in the present embodiment, as shown in figure 4, using when bracket left support plate component 53 on left hinge hole and right
Right hinge hole in bracing plate assembly 54 is hinged with the left swing arm 71 and right swing arm 72 of loader respectively, on bracket support board component 55
Middle hinge hole be hinged with rotating bucket pull bar 73, the right-angled trapezium limited block when scraper bowl is when bucket-shaped state is received completely, on scraper bowl 30
61 with bracket 50 on top steel pipe good contact, scraper bowl lower position block component 62 formed well with bracket lower position block component 63
Contact, it is spacing that overall limited block group forms big V-arrangement.When operation is carried out, liftable swing arm 71,72 adjusts the relative of side-discharging device
Highly；The angle of side-discharging device and horizontal plane is adjusted by pulling rotating bucket pull bar 73；Promoted by side dumping hydraulic cylinder assembly 10 and shoveled
Opening and recovery for bucket 30, adjusts the relative angle of scraper bowl 30 and bracket 50；The combination of the above action, realizes differing heights
With just the unloading of angle, side dumping operation.
Side-discharging device in the present embodiment, due to realizing that scraper bowl can be solved in three directions with different angle dischargings
The problem limited by working environment by the operating area of common shovel loading, unloading material device, working performance, greatly improves making for loader
With scope and working performance.
Side dumping hydraulic cylinder assembly 10 is coupled by a cross axle with scraper bowl, increases degree of freedom；Scraper bowl headwall postlaminar part has two
The tilted-putted swash plate of block, is used as the welding base of hinged seat；The bracket left and right sides is hinged mounting seat with penetrating bracket
Envelope chamber channel-section steel；Overall limited block component arranges that into big V-arrangement scraper bowl lower position block component 62 is V-arrangement positioning limit block, energy and bracket
On limited block group it is good fit.
A kind of loader side-discharging device of present invention construction, can realize positive discharging, two side discharges, and whole machine is lived
Dynamic site requirements is little, and working performance is greatly improved.When such as carrying out car loading operation in the small space, can be with the truck of operation side by side
Coordinate, material is laterally discharged in truck, reduce and shoveled reversing, completely full bucket u-turn, bucket advance, discharging, empty bucket reversing, sky after material
The general loader standard operation circulation times such as bucket u-turn, empty bucket are advanced, shovel material, improve working performance；And for example in the tunnel for excavating
In road during operation, as the scope of operation is narrower, there is the rock and sandy soil piled up after blowing out in a large number, need mutual with loader and truck
Coordinate cleaning, if shipped with common scraper bowl, space does not allow in tunnel, cycle time for working is lengthened in addition, efficiency drops significantly
It is low；And for example some mixing plants, are to reduce cost of transportation, and the filler of material is closer with stockpile, and loader u-turn space is little, with
And cycle time for working do not allow yet it is long etc., cause existing common loading shovel use be limited；For another example in sky way
Operation end, as road surface is narrow, if frequently reversing end for end to load and unload material in truck with the loader of the common bucket of assembling, can increase operation
Danger coefficient.The side-discharging device of the present invention, can be using as common scraper bowl except can be in addition to side dumping material.
In the present invention, with the swing arm and pull bar of equipment by two groups of hinge-coupleds, constraint bracket is except around water for bracket
The degree of freedom beyond pivoting is put down, bracket is driven by rotary ink tank, make to rotate around its hinging pin shaft with swing arm, realize receiving
Bucket, dump bucket action；Bracket is hinged by a long hinging pin shaft with scraper bowl, and swivel pin is fixed on bracket, constraint scraper bowl except around
Degree of freedom beyond long hinging pin shaft rotation, by side dumping hydraulic oil cylinder driving, side dumping oil cylinder is by cross axle and is fixed on shovel for scraper bowl
Cylinder support connection on bucket, meanwhile, side dumping oil cylinder is hinged with the cylinder support being fixed on bracket by another bearing pin, side dumping
The flexible of oil cylinder cylinder rod realizes scraper bowl side discharge and receives bucket.In the present invention, there is one group of entirety between scraper bowl and bracket
Into the spacing limited block component of big V-arrangement, when scraper bowl is from side dumping state to the bucket-shaped state of receipts, by limited block, the power energy on scraper bowl
More preferably it is delivered on bracket, reduces the stress of hinging pin shaft, meet uniform strength design requirement.Side-discharging device in the present invention can
With positive discharging, it is also possible to the left, side discharge to the right, such as truck can only on the left of loader when, then side-discharging device is to the left
Unload；If necessary to discharging to the right, then the hinging pin shaft of scraper bowl and bracket is changed to right side, corresponding side dumping oil cylinder also changes a hinge
Pin hole, it is possible to realize dextrad side dumping.
In the present invention, scraper bowl includes that the left and right of guide when headwall plate, the side plate for being fixed on headwall plate or so, discharging is oblique
Plate, be fixed on headwall postlaminar part and with face in headwall plate into 25 ° of angles hinged seat gripper shoe, two groups be hinged mounting seat, support
Plate unloads cross axle and its mounting seat of oil cylinder with interpleural swaging bent plate, the large cover being covered at the top of scraper bowl, attachment side；Support
Frame include two groups of gripper shoes that two groups of gripper shoes that three steel pipes and swing arm be hinged and pull bar be hinged, side dumping cylinder installation seat,
Four groups of hinged seats being hinged with scraper bowl.The scraper bowl and bracket by being fixed on each on the basis of hinged seat be hinged.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of loader side-discharging device, it is characterised in that：Including bracket, scraper bowl, oil cylinder, V-arrangement limited block, connection bracket with
The bearing pin of scraper bowl, the oil cylinder are coupled by cross axle with scraper bowl, and the headwall postlaminar part of scraper bowl has two pieces of tilted-putted swash plates,
The bracket left and right sides is provided with upper limit position block component, under scraper bowl with the envelope chamber channel-section steel that bracket is hinged mounting seat is penetrated on bracket
Lower position block component is installed, the installation nested with lower position block component of upper limit position block component and V-arrangement limited block is, scraper bowl with
Cylinder support respectively being set on bracket, and being connected with a set of hydraulic jack, the flexible of the hydraulic jack can promote scraper bowl to turn around pivot
It is dynamic, realize discharging to the left or to the right.
2. loader side-discharging device according to claim 1, it is characterised in that：The cross axle provides turning for both direction
Dynamic degree of freedom.
3. loader side-discharging device according to claim 1, it is characterised in that：The circle of the headwall plate of the swash plate and scraper bowl
Arc centrage is respectively fixed with hinged seat into a special angle angle on two pieces of swash plates.
4. loader side-discharging device according to claim 1, it is characterised in that：Envelope chamber channel-section steel penetrates bracket and is hinged peace
Dress seat, is buckled on bracket main body.
5. the loader side-discharging device according to any one of Claims 1-4, it is characterised in that：The bracket and scraper bowl
By the pivot knuckles with the horizontal 60 ° of settings.
6. the loader side-discharging device according to any one of Claims 1-4, it is characterised in that：Bracket and equipment
By horizontally disposed three groups of pivot knuckles, connect a hydraulic jack, institute between the cylinder support on equipment and vehicle frame
Stating the flexible of hydraulic jack can promote bracket to pivot, and realize positive discharging.
7. the loader side-discharging device according to any one of Claims 1-4, it is characterised in that：Including a right-angled trapezium
Limited block, the limited block one end are welded in scraper bowl top, and the other end stretches out plane good contact with bracket top.
8. the loader side-discharging device according to any one of Claims 1-4, it is characterised in that：The lower position block group
Part is welded in scraper bowl bottom, the upper limit position block components welding on bracket base steel pipe, when scraper bowl pivots recovery,
Upper limit position block component and lower position block component good fit.
9. loader side-discharging device according to claim 8, it is characterised in that：The V-arrangement of the lower position block component is spacing
With the horizontal 30 °, another side is perpendicular to the ground in one face of block upper shed；The upper limit position block component and lower position block component
V-arrangement limited block opening surface good contact.
10. according to claim 7 loader side-discharging device, it is characterised in that：The right-angled trapezium limited block one side is welded in shovel
Plane good contact is stretched out and with the horizontal 20 ° of angles with bracket top in bucket top, another side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947017.7A CN106522295A (en) | 2016-10-26 | 2016-10-26 | Side dumping device for loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947017.7A CN106522295A (en) | 2016-10-26 | 2016-10-26 | Side dumping device for loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522295A true CN106522295A (en) | 2017-03-22 |
Family
ID=58292901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610947017.7A Pending CN106522295A (en) | 2016-10-26 | 2016-10-26 | Side dumping device for loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522295A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083970A (en) * | 2017-06-27 | 2017-08-22 | 中铁隧道集团有限公司 | A kind of multi-functional side dumping scraper bowl of narrow body loading machine suitable for single-track railway tunnel |
| CN109056861A (en) * | 2018-08-07 | 2018-12-21 | 青岛雷沃工程机械有限公司 | A kind of loading machine lateral unloading device |
| CN113338380A (en) * | 2021-06-10 | 2021-09-03 | 中国煤炭科工集团太原研究院有限公司 | Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202175966U (en) * | 2011-07-04 | 2012-03-28 | 广西柳工机械股份有限公司 | Loading machine side dumping working device |
| CN103510558A (en) * | 2012-11-14 | 2014-01-15 | 广西柳工机械股份有限公司 | Side dumping hopper of loader |
| CN105040759A (en) * | 2015-07-31 | 2015-11-11 | 广西柳工机械股份有限公司 | Bracket for side unloading of loading machine |
-
2016
- 2016-10-26 CN CN201610947017.7A patent/CN106522295A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202175966U (en) * | 2011-07-04 | 2012-03-28 | 广西柳工机械股份有限公司 | Loading machine side dumping working device |
| CN103510558A (en) * | 2012-11-14 | 2014-01-15 | 广西柳工机械股份有限公司 | Side dumping hopper of loader |
| CN105040759A (en) * | 2015-07-31 | 2015-11-11 | 广西柳工机械股份有限公司 | Bracket for side unloading of loading machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083970A (en) * | 2017-06-27 | 2017-08-22 | 中铁隧道集团有限公司 | A kind of multi-functional side dumping scraper bowl of narrow body loading machine suitable for single-track railway tunnel |
| CN107083970B (en) * | 2017-06-27 | 2023-04-25 | 中铁隧道集团有限公司 | Multifunctional side-dump bucket of narrow body loader suitable for single-track railway tunnel |
| CN109056861A (en) * | 2018-08-07 | 2018-12-21 | 青岛雷沃工程机械有限公司 | A kind of loading machine lateral unloading device |
| CN109056861B (en) * | 2018-08-07 | 2021-04-06 | 雷沃工程机械集团有限公司 | Side unloading device of loader |
| CN113338380A (en) * | 2021-06-10 | 2021-09-03 | 中国煤炭科工集团太原研究院有限公司 | Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper |
| CN113338380B (en) * | 2021-06-10 | 2023-02-03 | 中国煤炭科工集团太原研究院有限公司 | Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |