CN113338380B - Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper - Google Patents
Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper Download PDFInfo
- Publication number
- CN113338380B CN113338380B CN202110646789.8A CN202110646789A CN113338380B CN 113338380 B CN113338380 B CN 113338380B CN 202110646789 A CN202110646789 A CN 202110646789A CN 113338380 B CN113338380 B CN 113338380B
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- rotating part
- round shaft
- shaft
- rotational
- hinge mechanism
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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
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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
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0808—Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a three-rotational-freedom-degree single-hinge mechanism for a storage battery scraper truck, which comprises a first rotating part, a second rotating part and a third rotating part, wherein the first rotating part comprises a first supporting plate, and the first supporting plate is provided with a first through hole; the second rotating part comprises a first round shaft, a first bracket and a pin shaft, and the first round shaft can rotatably penetrate through the first through hole; the third rotating part comprises a third supporting plate and a second round shaft, the third supporting plate comprises a second through hole, and the pin shaft can rotatably penetrate through the second through hole; the axis of the first round shaft is perpendicular to the axis of the pin shaft, and the pin shaft is perpendicular to the plane of the axis of the second round shaft. According to the three-rotational-freedom single-hinge mechanism for the storage battery scraper disclosed by the invention, the problem of bad hinge bearing caused by the fact that the battery is at the back and the working device is at the front of the storage battery scraper is solved through the rotation of the three rotational degrees of freedom of the single-hinge mechanism, the hinge stress under an extreme working condition is improved, and the reliability of the storage battery scraper under a complex working condition is improved.
Description
Technical Field
The invention relates to the technical field of trackless rubber-tyred vehicles and peripheral supporting facilities thereof, in particular to a three-rotational-freedom single-hinge mechanism for a storage battery scraper.
Background
The coal mine auxiliary transportation is all transportation except coal transportation, is an important component of mine production, and the auxiliary transportation mechanization greatly improves the coal mine production efficiency and the economic benefit. The trackless rubber-tyred vehicle is used as a new auxiliary transportation mode, so that the high yield and high efficiency of the coal mine are greatly improved. The scraper is one kind of trackless rubber-tyred vehicle, and is mainly used for shoveling, loading, transporting, unloading and other various works. Because the scraper works on a working surface, a chute roadway and the like, the space is relatively closed, the diesel locomotive generates exhaust pollution and noise pollution in the use process, the working environment is further severe, the health of workers is harmed, and the storage battery scraper becomes a development trend of auxiliary transportation equipment.
Because the environment of the underground roadway is complex, the scraper is mostly designed into an articulated structure, and the structure has the advantage of small turning radius and can be better suitable for the underground working environment. The battery scraper has the limitation of continuation of the journey mileage, adopts the technical scheme of large capacity battery and quick replacement battery to solve usually for the battery is placed in the rear of scraper, and equipment is in the place ahead of scraper, and this kind of structural feature makes the atress of the articulated department of battery scraper more abominable.
At present, the scraper mostly uses a central upper and lower double-hinged structure, and when the structure is applied to the storage battery scraper, the gravity center distribution of the storage battery scraper is changed under different working conditions, so that the bearing stress of the hinged part is worse, and firstly, the joint bearing is damaged and needs to be replaced regularly, and the frame at the hinged part can be seriously deformed.
Therefore, how to change the current situation that the mechanism is damaged easily due to the fact that the hinge joint of the storage battery scraper is stressed badly in the prior art becomes a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a three-rotational-freedom-degree single hinge mechanism for a storage battery scraper, which is used for solving the problems in the prior art, improving the hinge stress at the hinge joint of the storage battery scraper and improving the reliability of the device.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a three-rotational-freedom single-hinge mechanism for a storage battery scraper truck, which comprises:
a first rotating part including a first support plate having a first through hole;
the second rotating part comprises a first round shaft, a first support and a pin shaft, the first round shaft and the pin shaft are respectively connected with the first support, and the first round shaft can rotatably penetrate through the first through hole;
the third rotating part comprises a third supporting plate and a second round shaft, the second round shaft is connected with the third supporting plate, the third supporting plate comprises a second through hole, and the pin shaft can rotatably penetrate through the second through hole;
the axis of the first round shaft is perpendicular to the axis of the pin shaft, the pin shaft is perpendicular to the plane of the axis of the second round shaft, the first supporting plate and the second round shaft can be connected with a forklift frame, and the forklift frame can be rotatably connected with the second round shaft.
Preferably, the single hinge mechanism with three rotational degrees of freedom for the battery scraper further comprises a first driving part, the first driving part is connected with the first circular shaft, and the first driving part can drive the second rotating part to rotate relative to the first rotating part.
Preferably, the first driving part is a swing cylinder.
Preferably, a first bearing is disposed between the first circular shaft and the first support plate.
Preferably, the first support comprises a second support plate and two lug plates, the number of the lug plates is two, the two lug plates are arranged at two ends of the second support plate, the pin shaft is arranged between the two lug plates, the first round shaft is connected with the second support plate, and the lug plates and the first round shaft are respectively positioned at two sides of the second support plate.
Preferably, the end of the first support plate far away from the frame of the scraper vehicle and the end of the lug plate far away from the second support plate are both subjected to rounding treatment.
Preferably, the third backup pad is L shape, the third backup pad includes continuous first support arm and second support arm, first support arm perpendicular to the second support arm sets up, the second round axle with first support arm links to each other, the second through hole set up in on the second support arm, the length of first support arm is than the length of first support arm is long, the second support arm with the second rotates and has the clearance between the portion.
Preferably, a second bearing is arranged between the first support arm and the pin shaft.
Compared with the prior art, the invention has the following technical effects: the invention relates to a three-rotational-freedom-degree single-hinge mechanism for a storage battery scraper truck, which comprises a first rotating part, a second rotating part and a third rotating part, wherein the first rotating part comprises a first supporting plate, and the first supporting plate is provided with a first through hole; the second rotating part comprises a first round shaft, a first support and a pin shaft, the first round shaft and the pin shaft are respectively connected with the first support, and the first round shaft can rotatably penetrate through the first through hole; the third rotating part comprises a third supporting plate and a second round shaft, the second round shaft is connected with the third supporting plate, the third supporting plate comprises a second through hole, and the pin shaft can rotatably penetrate through the second through hole; the axis of the first round shaft is perpendicular to the axis of the pin shaft, the pin shaft is perpendicular to the plane of the axis of the second round shaft, the first supporting plate and the second round shaft can be connected with a forklift frame, and the forklift frame can be rotatably connected with the second round shaft.
According to the three-rotational-freedom single-hinge mechanism for the storage battery scraper disclosed by the invention, the second rotating part can rotate relative to the first rotating part, the third rotating part can rotate relative to the second rotating part, and the second round shaft of the third rotating part is rotationally connected with the scraper vehicle frame.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a three rotational degree of freedom single hinge mechanism for a battery scraper vehicle of the present invention;
fig. 2 is a schematic structural view of a first rotating portion of the three rotational degree-of-freedom single hinge mechanism for a battery scraper vehicle of the present invention;
fig. 3 is a schematic structural view of a second rotating portion of the three rotational degree-of-freedom single hinge mechanism for a battery scraper vehicle of the present invention;
fig. 4 is a schematic structural view of a third rotating portion of the three rotational degree-of-freedom single hinge mechanism for a battery scraper vehicle of the present invention;
FIG. 5 is a schematic view of the three rotational degree of freedom single articulation mechanism for a battery scraper vehicle of the present invention turning left and right during operation;
FIG. 6 is a schematic view of a three rotational degree of freedom single articulation mechanism for a battery scraper vehicle of the present invention during operation on a downhill slope;
FIG. 7 is a schematic view of a three rotational degree of freedom single hinge mechanism for a battery scraper vehicle of the present invention during uphill operation;
FIG. 8 is a schematic view of a three rotational degree of freedom single hinge mechanism for a battery scraper vehicle of the present invention during operation on a concave-convex road surface;
wherein, 1 is a first rotating part, 101 is a first supporting plate, 102 is a first through hole, 2 is a second rotating part, 201 is a first circular shaft, 202 is a pin shaft, 203 is a second supporting plate, 204 is an ear plate, 3 is a third rotating part, 301 is a third supporting plate, 301a is a first supporting arm, 301b is a second supporting arm, 302 is a second circular shaft, 303 is a second through hole, 4 is a first driving part, 5 is a first bearing, and 6 is a second bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a three-rotational-freedom-degree single hinge mechanism for a storage battery scraper, which is used for solving the problems in the prior art, improving the hinge stress at the hinge joint of the storage battery scraper and improving the reliability of the device.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 8, fig. 1 is a schematic structural view of a three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention, fig. 2 is a schematic structural view of a first rotating part of the three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention, fig. 3 is a schematic structural view of a second rotating part of the three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention, fig. 4 is a schematic structural view of a third rotating part of the three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention, fig. 5 is a schematic structural view of the three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention when the mechanism is turned left and right during operation, fig. 6 is a schematic structural view of the three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention when the mechanism is operated during a downhill, fig. 7 is a schematic structural view of the three rotational degree of freedom single hinge mechanism for a battery scraper vehicle according to the present invention when the mechanism is operated during a concave road surface during operation.
The invention provides a three-rotational-freedom single-hinge mechanism for a storage battery scraper truck, which comprises:
a first rotating part 1, the first rotating part 1 including a first support plate 101, the first support plate 101 having a first passing hole 102;
a second rotating part 2, the second rotating part 2 including a first circular shaft 201, a first bracket and a pin 202, the first circular shaft 201 and the pin 202 being connected to the first bracket, respectively, the first circular shaft 201 being capable of rotatably passing through the first passing hole 102;
a third rotating part 3, wherein the third rotating part 3 comprises a third support plate 301 and a second circular shaft 302, the second circular shaft 302 is connected with the third support plate 301, the third support plate 301 comprises a second through hole 303, and the pin shaft 202 can rotatably penetrate through the second through hole 303;
the axis of the first round shaft 201 is perpendicular to the axis of the pin shaft 202, the pin shaft 202 is perpendicular to the plane of the axis of the second round shaft 302, the first support plate 101 and the second round shaft 302 can be connected with a forklift frame, and the forklift frame can be rotatably connected with the second round shaft 302.
According to the three-rotational-freedom single-hinge mechanism for the storage battery scraper, the second rotating part 2 can rotate relative to the first rotating part 1, the third rotating part 3 can rotate relative to the second rotating part 2, and the second round shaft 302 of the third rotating part 3 is rotationally connected with the scraper frame. It should be noted here that the first rotating part 1 and the third rotating part 3 can be connected to a front frame or a rear frame of a forklift frame, and can be arranged according to specific situations, so as to improve the flexible adaptability of the mechanism. The forklift frame in this embodiment includes a front frame and a rear frame.
Simultaneously, battery scraper still includes first drive division 4 with the single hinge mechanisms of three rotatory degrees of freedom, and first drive division 4 links to each other with first round axle 201, and first drive division 4 can drive second rotation portion 2 and rotate for first rotation portion 1, and the stiff end of first drive division 4 can be fixed on the scraper car frame, guarantees first drive division 4's job stabilization nature.
In the present embodiment, the first driving unit 4 is a swing cylinder, a double-helix swing cylinder or a rack-and-pinion swing cylinder, and provides power for horizontal steering.
In addition, a first bearing 5 is provided between the first circular shaft 201 and the first support plate 101 to ensure smooth rotation.
Specifically, first support includes second backup pad 203 and otic placode 204, and the quantity of otic placode 204 is two, and two otic placodes 204 set up in the both ends of second backup pad 203, have improved the stability of round pin axle 202, and round pin axle 202 sets up between two otic placodes 204, and first circle axle 201 links to each other with second backup pad 203, and otic placode 204 and first circle axle 201 are located the both sides of second backup pad 203 respectively, and two otic placodes 204 and second backup pad 203 enclose into the U-shaped structure.
More specifically, the end of the first support plate 101 away from the frame of the scraper vehicle and the end of the ear plate 204 away from the second support plate 203 are both rounded to avoid affecting the rotation of the second rotating part 2 and the third rotating part 3.
Further, the third support plate 301 is L-shaped, the third support plate 301 includes a first arm 301a and a second arm 301b connected to each other, the first arm 301a is perpendicular to the second arm 301b, the second circular shaft 302 is connected to the first arm 301a, the second through hole 303 is disposed on the second arm 301b, the length of the first arm 301a is longer than that of the first arm 301a, and a gap is formed between the second arm 301b and the second rotating portion 2. Here, the distance between the second arm 301b and the first support plate 101 and the second support plate 203 can limit the maximum rotation angle of the third rotation part 3, and the first driving part 4 can limit the maximum rotation angle of the second rotation part 2, so that the rotation angle of the mechanism can be controlled, and the reliability of the mechanism can be improved.
Accordingly, the second bearing 6 is disposed between the first arm 301a and the pin 202, so that the rotation is smoother.
According to the three-rotational-freedom single-hinge mechanism for the storage battery scraper disclosed by the invention, the second rotating part 2 can rotate relative to the first rotating part 1, the third rotating part 3 can rotate relative to the second rotating part 2, and the second round shaft 302 of the third rotating part 3 is rotationally connected with the scraper vehicle frame.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the foregoing, the description is not to be taken in a limiting sense.
Claims (6)
1. The utility model provides a battery scraper car is with single articulated mechanism of three rotational degrees of freedom which characterized in that includes:
a first rotating part including a first support plate having a first passing hole;
the second rotating part comprises a first round shaft, a first bracket and a pin shaft, the first round shaft and the pin shaft are respectively connected with the first bracket, and the first round shaft can rotatably penetrate through the first through hole;
the third rotating part comprises a third supporting plate and a second round shaft, the second round shaft is connected with the third supporting plate, the third supporting plate comprises a second through hole, and the pin shaft can rotatably penetrate through the second through hole;
the axis of the first round shaft is perpendicular to the axis of the pin shaft, the pin shaft is perpendicular to the plane of the axis of the second round shaft, the first supporting plate and the second round shaft can be connected with a scraper vehicle frame, the scraper vehicle frame can be rotatably connected with the second round shaft, and the scraper vehicle frame comprises a front vehicle frame and a rear vehicle frame;
the third supporting plate is L-shaped and comprises a first supporting arm and a second supporting arm which are connected, the first supporting arm is perpendicular to the second supporting arm, the second circular shaft is connected with the first supporting arm, the second through hole is formed in the second supporting arm, the length of the first supporting arm is longer than that of the first supporting arm, and a gap is formed between the second supporting arm and the second rotating part;
the first support comprises a second support plate and two lug plates, the number of the lug plates is two, the lug plates are arranged at two ends of the second support plate, the pin shaft is arranged between the two lug plates, the first round shaft is connected with the second support plate, the lug plates and the first round shaft are respectively positioned at two sides of the second support plate, and the second support arm and the first support plate and the distance between the second support plate can limit the maximum rotation angle of the third rotation part.
2. The battery scraper vehicle of claim 1, wherein the three-rotational-degree-of-freedom single-hinge mechanism comprises: the first driving part is connected with the first round shaft and can drive the second rotating part to rotate relative to the first rotating part.
3. The three-rotational-degree-of-freedom single-hinge mechanism for a battery scraper vehicle of claim 2, wherein: the first driving part is a swing oil cylinder.
4. The battery scraper vehicle of claim 1, wherein the three-rotational-degree-of-freedom single-hinge mechanism comprises: a first bearing is arranged between the first round shaft and the first supporting plate.
5. The battery scraper vehicle of claim 4, wherein said three-rotational-degree-of-freedom single-hinge mechanism comprises: and one end of the first supporting plate, which is far away from the frame of the scraper vehicle, and one end of the lug plate, which is far away from the second supporting plate, are both subjected to rounding treatment.
6. The three-rotational-degree-of-freedom single-hinge mechanism for a battery scraper vehicle of claim 5, wherein: and a second bearing is arranged between the first support arm and the pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646789.8A CN113338380B (en) | 2021-06-10 | 2021-06-10 | Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646789.8A CN113338380B (en) | 2021-06-10 | 2021-06-10 | Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper |
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| Publication Number | Publication Date |
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| CN113338380A CN113338380A (en) | 2021-09-03 |
| CN113338380B true CN113338380B (en) | 2023-02-03 |
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| CN202110646789.8A Active CN113338380B (en) | 2021-06-10 | 2021-06-10 | Three-rotational-freedom-degree single-hinge mechanism for storage battery scraper |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125447A (en) * | 1995-10-27 | 1997-05-13 | Sanyo Kiki Kk | Fitting structure of attachment of frontloader |
| JP2000204602A (en) * | 1999-01-13 | 2000-07-25 | Hitachi Constr Mach Co Ltd | Operation control device for construction machine |
| CN203296100U (en) * | 2013-05-24 | 2013-11-20 | 北京安期生技术有限公司 | Shoveling and loading mechanism for underground scraper |
| CN106522295A (en) * | 2016-10-26 | 2017-03-22 | 柳州市西朗能源科技有限公司 | Side dumping device for loading machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10060903C2 (en) * | 2000-12-07 | 2002-10-31 | Moba Mobile Automation Gmbh | Laser height control device for a construction machine |
| EP2725149A1 (en) * | 2012-10-24 | 2014-04-30 | Hexagon Technology Center GmbH | Machine control system for a wheel loader comprising a grading blade |
| CN103866809A (en) * | 2012-12-14 | 2014-06-18 | 天津建筑机械厂 | All-terrain disaster relief forcible entry device |
| CN204530805U (en) * | 2015-02-05 | 2015-08-05 | 烟台兴业机械股份有限公司 | A kind of underground carry scraper |
| US9777460B2 (en) * | 2015-10-22 | 2017-10-03 | Deere & Company | Operator control for work vehicles |
| CN108189910B (en) * | 2017-12-27 | 2020-09-22 | 中国煤炭科工集团太原研究院有限公司 | Multi-degree-of-freedom self-adaptive lifting obstacle-crossing type vehicle hinge mechanism |
| CN109795558A (en) * | 2019-03-05 | 2019-05-24 | 航天重型工程装备有限公司 | A kind of pivotally connected frame and carrier |
| US11248362B2 (en) * | 2019-10-31 | 2022-02-15 | Deere & Company | Closed loop feedback circle drive systems for motor graders |
| CN212896535U (en) * | 2020-10-14 | 2021-04-06 | 江苏徐工工程机械研究院有限公司 | Land leveler |
-
2021
- 2021-06-10 CN CN202110646789.8A patent/CN113338380B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125447A (en) * | 1995-10-27 | 1997-05-13 | Sanyo Kiki Kk | Fitting structure of attachment of frontloader |
| JP2000204602A (en) * | 1999-01-13 | 2000-07-25 | Hitachi Constr Mach Co Ltd | Operation control device for construction machine |
| CN203296100U (en) * | 2013-05-24 | 2013-11-20 | 北京安期生技术有限公司 | Shoveling and loading mechanism for underground scraper |
| CN106522295A (en) * | 2016-10-26 | 2017-03-22 | 柳州市西朗能源科技有限公司 | Side dumping device for loading machine |
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| CN113338380A (en) | 2021-09-03 |
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