CN115354711B - Protective device for steering cylinder of underground scraper - Google Patents
Protective device for steering cylinder of underground scraper Download PDFInfo
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- CN115354711B CN115354711B CN202211042323.8A CN202211042323A CN115354711B CN 115354711 B CN115354711 B CN 115354711B CN 202211042323 A CN202211042323 A CN 202211042323A CN 115354711 B CN115354711 B CN 115354711B
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- steering cylinder
- main body
- cylinder
- protection plate
- scraper
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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
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a protection device for a steering cylinder of an underground scraper, which comprises a scraper main body, a steering cylinder main body arranged on the scraper main body and a connecting piece, wherein the connecting piece is arranged on the scraper main body and is connected with a telescopic front section of the steering cylinder main body; the rotating seat is arranged on the connecting piece; the protection plate is arranged on the rotating seat; the limiting piece is arranged on the cylinder barrel of the steering cylinder main body and is used for limiting the relative sliding of the protection plate when the steering cylinder main body stretches and moves; the movable fixing component is arranged between the rotating seat and the protection plate, and the protection device is arranged on the steering cylinder of the scraper and can effectively protect the steering cylinder, so that the damage phenomenon of the steering cylinder is reduced, the maintenance cost of the steering cylinder is reduced, and meanwhile, the protection device is simple in structure, easy to process, low in cost and convenient and quick to maintain.
Description
Technical Field
The invention relates to the field of underground ore discharging equipment, in particular to a protection device for a steering cylinder of an underground scraper.
Background
The scraper is used for large-scale equipment of underground ore discharge of mines, has severe construction conditions and huge task amount of operation, and therefore has high requirements on the reliability and the working efficiency of the whole machine.
The steering cylinder is a key component of a hydraulic system of the scraper, the service condition of the steering cylinder has an important influence on the whole performance, and a piston rod of the steering cylinder is exposed during operation and is easily damaged by knocking, bumping and smashing of external materials, so that a series of hydraulic faults are caused, and the whole scraper cannot continue to operate. After the steering cylinder is damaged, great economic loss can be caused, so that effective protection of the steering cylinder is very important.
Disclosure of Invention
The invention aims to provide a protection device for a steering cylinder of an underground scraper, which aims to solve the problems that in the background art, a piston rod of the steering cylinder is exposed outside when the steering cylinder on the scraper works underground in mines, so that the steering cylinder is easily damaged by collision and smashing of external materials, burrs and pits are generated on the surface of a cylinder core, sealing damage, oil leakage, pressure relief and steering failure are caused, equipment cannot be normally used, and ore removal aging is seriously influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: a protector for a steering cylinder of an underground scraper comprises a scraper body and a steering cylinder body arranged on the scraper body, and further comprises:
the connecting piece is arranged on the scraper main body and connected with the telescopic front section of the steering cylinder main body, and the steering cylinder main body drives the scraper main body to move in a tipping manner through the connecting piece when performing telescopic movement;
the rotating seat is arranged on the connecting piece;
the protection plate is arranged on the rotating seat;
the limiting piece is arranged on the cylinder barrel of the steering cylinder main body and is used for limiting the relative sliding of the protection plate when the steering cylinder main body stretches and moves;
the movable fixing assembly is arranged between the rotating seat and the protecting plate, when the steering cylinder main body stretches and contracts, the connecting piece is driven to rotate at a small angle with the rotating seat, position deviation can occur between the protecting plate and the rotating seat, the movable fixing assembly is used for realizing movable connection of the protecting plate and the rotating seat at the moment, and the movable fixing assembly is matched with stretching and steering movement of the steering cylinder main body.
Preferably, the connector comprises:
the connecting seat is fixedly arranged on the scraper main body, is L-shaped and arc-shaped, and is provided with a first through groove at the upper end;
the front pin of the steering cylinder is fixedly arranged on the main body of the scraper truck and penetrates through the connecting seat and the rotating seat, and the telescopic end of the main body of the steering cylinder is sleeved on the front pin of the steering cylinder.
Preferably, the rotating seat is provided with a second through groove for being matched with the front pin of the steering cylinder to penetrate, a symmetrical circular ring structure is formed, one end of the rotating seat is fixed on the connecting seat through a screw rod, and the other end of the rotating seat is movably connected with the protecting plate and the rotating seat through a movable fixing component.
Preferably, the protection plate is a semi-annular plate, and the whole body of the protection plate forms a hoop structure.
Preferably, the limiting member includes:
the guide sliding blocks are symmetrically arranged, are arranged on the upper portion of the cylinder barrel of the steering cylinder body and are positioned on two sides of the protection plate, and enable the protection plate to slide along a fixed track.
Preferably, the movable fixing assembly includes:
the sliding groove is arranged at the joint of the protection plate and the rotating seat;
an elastic connecting pin is arranged in the sliding groove.
Preferably, the elastic connection pin includes:
the connecting upper pin cylinder and the connecting lower pin cylinder are arranged on the connecting upper pin cylinder in a sliding manner;
the elastic piece is arranged between the upper pin cylinder and the lower pin cylinder;
preferably, the elastic member includes:
compression springs with hooks at two ends;
the two lantern rings are used in cooperation with the compression spring hook, and the two lantern rings are respectively fixed at the ends of the inner cylinder wall of the upper pin cylinder and the lower pin cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the rotating seat, the protection plate, the limiting piece and the movable fixing component on the protection device, the protection plate can be driven to slide when the steering oil cylinder stretches out and draws back, so that the piston rod part extending out of the steering oil cylinder can be protected, and ore materials are prevented from being knocked, bumped and crashed by falling during underground operation.
2. According to the invention, the guide sliding block on the limiting piece is matched with the rotating seat and the movable fixing component at the joint of the protection plates, and firstly, the protection plates can slide along the fixed track through the guide sliding block, so that the piston rod can be protected when the steering oil cylinder stretches and contracts, and meanwhile, the protection plates and the rotating seat can be displaced when the steering oil cylinder stretches and contracts to rotate at a small angle by matching with the movable fixing component, so that the whole movement of the steering oil cylinder is matched.
3. According to the invention, through the arrangement of the elastic connecting pin matched with the sliding groove, which is formed by connecting the upper pin cylinder, the lower pin cylinder and the elastic piece in the movable fixing assembly, the movable connection of the protection plate and the rotating seat can be realized, and meanwhile, the rapid installation of the protection plate and the rotating seat can be realized.
Finally, the protection device is arranged on the steering cylinder of the scraper, can effectively protect the steering cylinder, reduces the damage phenomenon of the steering cylinder and the maintenance cost of the steering cylinder, and meanwhile, has the advantages of simple structure, easy processing, low cost and convenient and quick maintenance.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a rotary base according to the present invention;
fig. 3 is an internal cross-sectional view of the elastic connection pin of the present invention.
Reference numerals: 1-a scraper body; 2-steering cylinder body; 3-connectors; 31-connecting seats; 32-steering cylinder front pin; 4-rotating the seat; 41-a second through slot; 5-protecting plates; 6-limiting pieces; 61-guiding the slide block; 7-a movable fixing component; 71-a chute; 72-elastic connection pins; 721-connect upper pin barrel; 722-connecting the lower pin barrel; 723-an elastic member; 724-compressing a spring; 725-collar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a guard for a steering cylinder of a downhole scraper, comprising a scraper body 1 and a steering cylinder body 2 mounted on the scraper body 1, further comprising:
the connecting piece 3 is arranged on the scraper main body 1 and is connected with the telescopic front section of the steering cylinder main body 2, and the steering cylinder main body 2 drives the scraper main body 1 to skip bucket to move through the connecting piece 3 when performing telescopic movement;
a rotating seat 4, wherein the rotating seat 4 is arranged on the connecting piece 3;
the protection plate 5 is arranged on the rotating seat 4;
the limiting piece 6 is arranged on the cylinder barrel of the steering cylinder main body 2, and limits the relative sliding of the protection plate 5 when the steering cylinder main body 2 stretches and contracts;
the movable fixing component 7, the movable fixing component 7 sets up between rotating seat 4 and guard plate 5, and when steering cylinder main part 2 carries out telescopic movement, drives connecting piece 3 and rotates seat 4 and carry out the rotation of low-angle, can take place the position offset between guard plate 5 and the rotation seat 4, and movable fixing component 7 realizes the swing joint of guard plate 5 and rotation seat 4 this moment, and the cooperation steers the flexible steering motion of cylinder main part 2.
Wherein the connector 3 comprises:
the connecting seat 31 is fixedly arranged on the scraper main body 1, the connecting seat 31 is L-shaped and arc-shaped, and a first through groove is formed in the upper end of the connecting seat 31;
the front steering cylinder pin 32 is fixedly arranged on the scraper main body 1, penetrates through the connecting seat 31 and the rotating seat 4, and the telescopic end of the steering cylinder main body 2 is sleeved on the front steering cylinder pin 32.
In addition, the rotating seat 4 is provided with a second through groove 41 for penetrating through the front pin 32 of the steering cylinder to form a symmetrical annular structure, one end of the rotating seat 4 is fixed on the connecting seat 31 through a screw rod, and the other end of the rotating seat 4 enables the protection plate 5 to be movably connected with the rotating seat 4 through the movable fixing assembly 7.
For better protecting the steering cylinder main body 2, the protection plate 5 is a semi-annular plate, and an anchor ear structure is integrally formed.
Meanwhile, the stopper 6 includes:
the guide sliding blocks 61 are symmetrically arranged, and the guide sliding blocks 61 are arranged on the upper portion of the cylinder barrel of the steering cylinder body 2 and are positioned on two sides of the protection plate 5, so that the protection plate 5 slides along a fixed track.
Wherein the movable fixing assembly 7 comprises:
a chute 71 provided at the junction of the protection plate 5 and the rotation seat 4;
an elastic connecting pin 72 is arranged in the chute 71.
Further, the elastic connection pin 72 includes:
a connection upper pin 721 and a connection lower pin 722 slidably provided on the connection upper pin 721;
an elastic member 723, the elastic member 723 being disposed between the connection upper pin barrel 721 and the connection lower pin barrel 722.
Finally, the elastic member 723 includes:
compression springs 724 with hooks at two ends;
two collars 725 for use with the compression springs 724 and the collars 725 are fixed to the ends of the inner cylinder walls of the upper pin 721 and the lower pin 722;
working principle: when the piston rod part of the steering cylinder main body 2 stretches out and draws back, the protection plate 5 is driven to slide along a fixed track under the action of the guide sliding block 61, and when the front section of the piston rod of the steering rod main body rotates by a small angle, the protection plate 5 slides through the sliding groove 71 on the movable fixing assembly 7 and the rotating seat 4 to realize the position deviation during rotation;
the movable fixing assembly 7 is installed by inserting the protection plate 5 into the guide slide block 61, aligning the protection plate 5 with the sliding groove 71 on the rotating seat 4, hanging one end of the compression spring 724 with a hook on the lantern ring 725 connected with the upper pin barrel 721, placing the upper pin barrel 721 into the sliding groove 71, stretching the compression spring 724, hanging the other end of the compression spring on the lantern ring 725 connected with the lower pin barrel 722, and finally placing the lower pin barrel 722 into the upper pin barrel 721 barrel, so as to realize the movable connection of the connection part of the rotating seat 4 of the protection plate 5 through the elasticity of the compression spring 724, wherein the length of the upper pin barrel 721 needs to be shorter than the depth of the sliding groove 71.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A protector for a steering cylinder of an underground scraper, comprising a scraper body (1) and a steering cylinder body (2) mounted on the scraper body (1), characterized in that it further comprises:
the connecting piece (3), the connecting piece (3) is arranged on the scraper main body (1) and is connected with the telescopic front section of the steering cylinder main body (2), and the steering cylinder main body (2) drives the tipping bucket of the scraper main body (1) to move through the connecting piece (3) when performing telescopic movement;
the rotating seat (4) is arranged on the connecting piece (3);
the protection plate (5) is arranged on the rotating seat (4);
the limiting piece (6) is arranged on the cylinder barrel of the steering cylinder main body (2), and limits the relative sliding of the protection plate (5) when the steering cylinder main body (2) stretches and contracts;
the movable fixing assembly (7), the movable fixing assembly (7) is arranged between the rotating seat (4) and the protection plate (5), when the steering cylinder main body (2) stretches out and draws back, the connecting piece (3) is driven to rotate at a small angle with the rotating seat (4), the protection plate (5) and the rotating seat (4) can shift in position, the movable fixing assembly (7) realizes the movable connection of the protection plate (5) and the rotating seat (4) at the moment, and the telescopic steering movement of the steering cylinder main body (2) is matched.
2. A guard for a steering cylinder of a downhole scraper according to claim 1, wherein the connecting piece (3) comprises:
the connecting seat (31) is fixedly arranged on the scraper main body (1), the connecting seat (31) is L-shaped and arc-shaped, and a first through groove is formed in the upper end of the connecting seat (31);
the front steering cylinder pin (32), the front steering cylinder pin (32) is fixedly arranged on the forklift body (1) and penetrates through the connecting seat (31) and the rotating seat (4), and the telescopic end of the steering cylinder body (2) is sleeved on the front steering cylinder pin (32).
3. A guard for a steering cylinder of a downhole scraper according to claim 1, wherein: the rotary seat (4) is provided with a second through groove (41) which is used for being matched with the front pin (32) of the steering cylinder to penetrate through, a symmetrical annular structure is formed, one end of the rotary seat (4) is fixed on the connecting seat (31) through a screw rod, and the other end of the rotary seat is movably connected with the protection plate (5) and the rotary seat (4) through a movable fixing assembly (7).
4. A guard for a steering cylinder of a downhole scraper according to claim 1, wherein: the protection plate (5) is a semi-annular plate, and an anchor ear structure is integrally formed.
5. A guard for a steering cylinder of a downhole scraper according to claim 1, wherein the stop (6) comprises:
the guide sliding blocks (61) are symmetrically arranged, and the guide sliding blocks (61) are arranged on the upper portion of the cylinder barrel of the steering cylinder body (2) and are positioned on two sides of the protection plate (5) so that the protection plate (5) slides along a fixed track.
6. A guard for a steering cylinder of a downhole scraper according to claim 1, wherein the movable fixing assembly (7) comprises:
a chute (71) arranged at the joint of the protection plate (5) and the rotating seat (4);
an elastic connecting pin (72) is arranged in the sliding groove (71).
7. A guard for a steering cylinder of a downhole scraper according to claim 6, wherein the resilient connecting pin (72) comprises:
a connection upper pin (721) and a connection lower pin (722) slidably provided on the connection upper pin (721);
an elastic member (723), the elastic member (723) being disposed between the connection upper pin cylinder (721) and the connection lower pin cylinder (722).
8. A guard for a steering cylinder of a downhole scraper according to claim 7, wherein the resilient member (723) comprises:
a compression spring (724) with hooks at two ends;
and the two lantern rings (725) are matched with the hooks of the compression springs (724), and the two lantern rings (725) are respectively fixed on the ends of the inner cylinder walls connected with the upper pin cylinder (721) and the lower pin cylinder (722).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211042323.8A CN115354711B (en) | 2022-08-29 | 2022-08-29 | Protective device for steering cylinder of underground scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211042323.8A CN115354711B (en) | 2022-08-29 | 2022-08-29 | Protective device for steering cylinder of underground scraper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115354711A CN115354711A (en) | 2022-11-18 |
| CN115354711B true CN115354711B (en) | 2023-07-07 |
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ID=84005328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211042323.8A Active CN115354711B (en) | 2022-08-29 | 2022-08-29 | Protective device for steering cylinder of underground scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115354711B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3980253B2 (en) * | 2000-07-07 | 2007-09-26 | 日立建機株式会社 | Three-sided protective structure with a substantially U-shaped cross section of a hydraulic cylinder |
| US6843005B2 (en) * | 2002-11-14 | 2005-01-18 | Rockland, Inc. | Grappling attachment for excavating machines and the like |
| JP4695340B2 (en) * | 2004-03-10 | 2011-06-08 | 日立建機株式会社 | Boom cylinder cover device |
| CN2809303Y (en) * | 2005-05-26 | 2006-08-23 | 曹勇 | Oil cylinder piston rod protector |
| JP2013170582A (en) * | 2012-02-17 | 2013-09-02 | Hitachi Constr Mach Co Ltd | Cylinder device |
| CN203238686U (en) * | 2013-02-28 | 2013-10-16 | 山推工程机械股份有限公司 | Bulldozer scraper knife oil cylinder protecting plate |
| CN205371154U (en) * | 2016-01-19 | 2016-07-06 | 烟台兴业机械股份有限公司 | Mine equipment's oil cylinder piston rod protection device |
| CN110565731A (en) * | 2019-09-29 | 2019-12-13 | 徐州徐工矿业机械有限公司 | Hydraulic excavator oil cylinder protection device and hydraulic excavator |
| CN212079822U (en) * | 2020-04-27 | 2020-12-04 | 徐州徐工铁路装备有限公司 | Cylinder rod protection device of tipping bucket oil cylinder of underground carry scraper |
| CN215719940U (en) * | 2021-09-02 | 2022-02-01 | 安徽恒创智能装备有限公司 | Hydraulic cylinder protective housing |
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2022
- 2022-08-29 CN CN202211042323.8A patent/CN115354711B/en active Active
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| CN115354711A (en) | 2022-11-18 |
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