CN115354711A - Novel protection device for steering oil cylinder of underground scraper - Google Patents
Novel protection device for steering oil cylinder of underground scraper Download PDFInfo
- Publication number
- CN115354711A CN115354711A CN202211042323.8A CN202211042323A CN115354711A CN 115354711 A CN115354711 A CN 115354711A CN 202211042323 A CN202211042323 A CN 202211042323A CN 115354711 A CN115354711 A CN 115354711A
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- cylinder
- steering cylinder
- main body
- seat
- steering
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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 novel protection device for a steering oil 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 the 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 limits the relative sliding of the protection plate when the steering cylinder main body stretches and retracts; the protective device is arranged on a steering oil cylinder of the scraper and can effectively protect the steering cylinder, so that the damage phenomenon of the steering cylinder is reduced, and the maintenance cost of the steering cylinder is reduced.
Description
Technical Field
The invention relates to the field of underground ore removal equipment, in particular to a novel protection device for a steering oil cylinder of an underground scraper.
Background
The scraper is used for large-scale equipment for mine underground ore discharge, the construction conditions are severe, the task amount of operation is huge, and therefore the scraper has high requirements on the reliability and the working efficiency of the whole machine.
The steering oil cylinder is a key part of a hydraulic system of the scraper, the use condition of the steering oil cylinder has important influence on the performance of the scraper, and a piston rod of the steering oil cylinder is exposed outside during operation and is easily damaged by collision, collision 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 oil cylinder is damaged, great economic loss can be caused, so that the effective protection of the steering oil cylinder is very important.
Disclosure of Invention
The invention aims to provide a novel protection device for a steering cylinder of an underground scraper, and aims to solve the problems that when the steering cylinder on the scraper truck is in underground operation in a mine, a piston rod of the steering cylinder is exposed outside and is easily damaged by colliding, colliding and smashing of external materials, so that burrs and pits appear on the surface of a cylinder core, the sealing damage, oil leakage, pressure relief and steering failure are caused, equipment cannot be normally used, and the ore removal efficiency is seriously influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel protector for be used for downhole scraper to turn to hydro-cylinder, includes the scraper car main part and installs the jar main part that turns to in the scraper car main part, still includes:
the connecting piece is arranged on the forklift main body and is connected with the telescopic front section of the steering cylinder main body, and the steering cylinder main body drives the tipping bucket of the forklift main body to move through the connecting piece when performing telescopic motion;
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 limits the relative sliding of the protection plate when the steering cylinder main body stretches and retracts;
the fixed subassembly of activity, the fixed subassembly of activity sets up between rotation seat and guard plate, when turning to the jar main part and stretch out and draw back and move, drives the connecting piece and rotates the rotation that the seat carries out the small angle, can take place the offset between guard plate and the rotation seat, and the fixed subassembly of activity realizes the guard plate this moment and rotates the swing joint of seat, and the cooperation turns to the flexible motion that turns to of jar main part.
Preferably, the connector comprises:
the connecting seat is fixedly arranged on the scraper vehicle main body, the connecting seat is L-shaped and arc-shaped, and a first through groove is formed in the upper end of the connecting seat;
the steering cylinder front pin is fixedly arranged on the forklift body and penetrates through the connecting seat and the rotating seat, and the telescopic end of the steering cylinder body is sleeved on the steering cylinder front pin.
Preferably, the rotating seat is provided with a second barrel groove used for being matched with a front pin of the steering cylinder to penetrate through, a symmetrical annular 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 enables the protection plate and the rotating seat to be movably connected through a movable fixing assembly.
Preferably, the protection plate is a semi-annular plate, and the hoop structure is integrally formed.
Preferably, the stopper includes:
the guide sliding blocks are symmetrically arranged and are arranged on the upper portion of the cylinder barrel of the steering cylinder main body and located on two sides of the protection plate, and the protection plate slides along a fixed track.
Preferably, the movable fixing component comprises:
the sliding chute is arranged at the connecting part of the protection plate and the rotating seat;
and an elastic connecting pin is arranged in the sliding groove.
Preferably, the elastic coupling pin includes:
an upper pin barrel and a lower pin barrel slidably disposed on the upper pin barrel;
the elastic connecting piece is arranged between the upper pin cylinder and the lower pin cylinder;
preferably, the elastic member includes:
a compression spring with hooks at two ends;
the two lantern rings are matched with the compression spring hook for use and are respectively fixed at the end parts of the inner cylinder walls 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 part and the movable fixing component on the protection device, the protection plate can be driven to slide when the steering oil cylinder performs telescopic motion through the arrangement of the protection plate, so that the part of the piston rod extending out of the steering oil cylinder can be protected, and the rock materials are prevented from being knocked, bumped and smashed by falling during underground operation.
2. According to the invention, through the arrangement of the guide sliding block on the limiting part in cooperation with the rotating seat and the movable fixing component at the connecting part of the protection plate, firstly, the protection plate can slide along a fixed track through the guide sliding block, so that the piston rod can be protected when the steering oil cylinder stretches out and draws back, and meanwhile, through the arrangement of the movable fixing component, the protection plate and the rotating seat can be displaced when the steering oil cylinder stretches out and draws back to rotate at a small angle, so that the whole movement of the steering oil cylinder can be carried out in a cooperation manner.
3. According to the invention, through the arrangement of the elastic connecting pin which is formed by the upper pin cylinder, the lower pin cylinder and the elastic piece in the movable fixing component and matched with the sliding chute, 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 oil cylinder of the scraper, can effectively protect the steering cylinder, reduces the damage phenomenon of the steering cylinder, and reduces the maintenance cost of the steering cylinder.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a general view of the rotary base of the present invention;
fig. 3 is an internal sectional view of the elastic coupling pin of the present invention.
Reference numerals: 1-a forklift body; 2-a steering cylinder main body; 3-a connector; 31-a connection seat; 32-steering cylinder front pin; 4-rotating the seat; 41-a second vat; 5-protection plate; 6-a stop; 61-a guide slide block; 7-a movable fixed component; 71-a chute; 72-a resilient connecting pin; 721-connecting the upper pin cylinder; 722-connecting a lower pin cylinder; 723-an elastic member; 724-compression spring; 725-collar.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel protector for be used for scraper to turn to hydro-cylinder in pit, includes scraper main part 1 and installs the jar main part 2 that turns to on scraper main part 1, still includes:
the connecting piece 3 is arranged on the forklift 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 forklift main body 1 to move through the connecting piece 3 when performing telescopic motion;
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 the limiting piece 6 is used for limiting the relative sliding of the protection plate 5 when the steering cylinder main body 2 extends and retracts;
fixed subassembly 7 of activity, fixed subassembly 7 of activity sets up between rotating seat 4 and guard plate 5, when turning to cylinder main part 2 and carrying out flexible removal, drives connecting piece 3 and rotates seat 4 and carry out the rotation of small angle, and guard plate 5 can take place the offset with rotating between the seat 4, and fixed subassembly 7 of activity realizes guard plate 5 this moment and rotates the swing joint of seat 4, and the cooperation turns to the flexible motion that turns to of cylinder main part 2.
Wherein the connecting member 3 includes:
the connecting seat 31 is fixedly arranged on the scraper conveyor 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 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.
In addition, a second barrel groove 41 for being penetrated by the steering cylinder front pin 32 is formed in the rotating seat 4 to form a symmetrical annular structure, one end of the rotating seat 4 is fixed on the connecting seat 31 through a screw, 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 component 7.
For better protection of the steering cylinder main body 2, the protection plate 5 is a semi-annular plate, and a hoop structure is integrally formed.
Meanwhile, the stopper 6 includes:
the guide sliding blocks 61 are symmetrically arranged, and the guide sliding blocks 61 are installed on the upper portion of the cylinder barrel of the steering cylinder main body 2 and located 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 arranged at the connection part of the protection plate 5 and the rotating seat 4;
an elastic connecting pin 72 is arranged in the sliding groove 71.
Further, the elastic connection pin 72 includes:
an upper pin barrel 721 and a lower pin barrel 722 slidably disposed on the upper pin barrel 721;
an elastic member 723, the elastic connecting member 3 is disposed between the upper pin barrel 721 and the lower pin barrel 722;
finally, the elastic member 723 includes:
a compression spring 724 with hooks at two ends;
two collars 725 matched with the compression spring 724 for use, wherein the two collars 725 are respectively fixed at the ends of the inner cylinder walls of the upper pin cylinder 721 and the lower pin cylinder 722;
the working principle is as follows: when the piston rod part of the steering cylinder main body 2 extends and retracts, the protection plate 5 is driven to slide in a fixed track under the action of the guide sliding block 61, when the front section of the piston rod of the steering rod main body rotates in a small angle and drives the rotating seat 4 fixed on the connecting seat 31 to rotate, the protection plate 5 can slide through the sliding groove 71 on the movable fixing component 7 and the rotating seat 4, and the position deviation during rotation is realized;
the movable fixing component 7 is installed by inserting the protection plate 5 into the guide sliding block 61, aligning the protection plate 5 with the sliding groove 71 on the rotating seat 4, hanging one end of a compression spring 724 with a hook on a lantern ring 725 of 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 724 on a lantern ring 725 in the lower pin barrel 722, and finally placing the lower pin barrel 722 into the upper pin barrel 721 to realize movable connection at the connecting 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, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a novel protector for be used for scraper to turn to hydro-cylinder in pit, includes scraper vehicle main part (1) and installs steering cylinder main part (2) on scraper vehicle main part (1), its characterized in that still includes:
the connecting piece (3) is arranged on the forklift 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 forklift main body (1) to move through the connecting piece (3) when performing telescopic motion;
the rotating seat (4), the rotating seat (4) is arranged on the connecting piece (3);
the protection plate (5), 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 the limiting piece (6) is used for limiting the relative sliding of the protection plate (5) when the steering cylinder main body (2) stretches and retracts;
fixed subassembly (7) of activity, fixed subassembly (7) of activity set up between rotation seat (4) and guard plate (5), when turning to cylinder main part (2) and stretch out and draw back the removal, drive connecting piece (3) and rotate seat (4) and carry out the rotation of small angle, can take place the offset between guard plate (5) and rotation seat (4), and the swing joint of guard plate (5) and rotation seat (4) is realized this moment in fixed subassembly (7) of activity, and the cooperation turns to the flexible motion that turns to of cylinder main part (2).
2. The new protector for a steering cylinder of a downhole scraper according to claim 1, characterized in that the connecting piece (3) comprises:
the connecting seat (31) is fixedly arranged on the scraper conveyor main body (1), the connecting seat (31) is arranged in an L shape and an arc shape, and a first through groove is formed in the upper end of the connecting seat (31);
the forklift steering device comprises a steering cylinder front pin (32), wherein the steering cylinder front pin (32) is fixedly arranged on the forklift main body (1) and penetrates through a connecting seat (31) and a rotating seat (4), and the telescopic end of the steering cylinder main body (2) is sleeved on the steering cylinder front pin (32).
3. The novel guard for a steering cylinder of a downhole scraper in accordance with claim 1, characterized in that: rotate and be provided with on seat (4) and be used for cooperating to turn to second bucket groove (41) that jar front pin (32) run through, form the ring shape structure of symmetry, rotate seat (4) one end and be fixed in on connecting seat (31) through the screw rod, the other end makes guard plate (5) and rotation seat (4) carry out swing joint through activity fixed subassembly (7).
4. The novel guard for a steering cylinder of a downhole scraper in accordance with claim 1, characterized in that: the protection plate (5) is a semi-annular plate and integrally forms a hoop structure.
5. The new protector for a steering cylinder of a downhole scraper according to claim 1, characterized in that the stopper (6) comprises:
the guide sliding blocks (61) are symmetrically arranged, and the guide sliding blocks (61) are installed on the upper portion of a cylinder barrel of the steering cylinder main body (2) and located on two sides of the protection plate (5) to enable the protection plate (5) to slide along a fixed track.
6. The new guard for a steering cylinder of a downhole scraper according to claim 1, characterised in that the movable fixing assembly (7) comprises:
a sliding chute (71) arranged at the connection part of the protection plate (5) and the rotating seat (4);
an elastic connecting pin (72) is arranged in the sliding groove (71).
7. The new guard for a steering cylinder of a downhole scraper according to claim 6, characterized in that the resilient connecting pin (72) comprises:
an upper pin barrel (721) and a lower pin barrel (722) slidably disposed on the upper pin barrel (721).
The elastic piece (723), the said elastic connecting piece (3) is set up and connected between the pin cylinder (721) and connecting the lower pin cylinder (722);
8. the novel guard for a steering cylinder of a downhole scraper as claimed in claim 6, characterized in that said resilient member (723) comprises:
a compression spring (724) with hooks at two ends;
two lantern rings (725) matched with the hooks of the compression spring (724) are used, and the two lantern rings (725) are respectively fixed at the end parts of the inner cylinder walls of 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 true CN115354711A (en) | 2022-11-18 |
| CN115354711B 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) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021812A (en) * | 2000-07-07 | 2002-01-23 | Hitachi Constr Mach Co Ltd | Three-face protecting structure of almost u-shaped section of hydraulic cylinder |
| US20040093770A1 (en) * | 2002-11-14 | 2004-05-20 | John Clapper | Grappling attachment for excavating machines and the like |
| CN1667208A (en) * | 2004-03-10 | 2005-09-14 | 日立建机株式会社 | Cover device for oil hydraulic cylinder |
| 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 |
-
2022
- 2022-08-29 CN CN202211042323.8A patent/CN115354711B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021812A (en) * | 2000-07-07 | 2002-01-23 | Hitachi Constr Mach Co Ltd | Three-face protecting structure of almost u-shaped section of hydraulic cylinder |
| US20040093770A1 (en) * | 2002-11-14 | 2004-05-20 | John Clapper | Grappling attachment for excavating machines and the like |
| CN1667208A (en) * | 2004-03-10 | 2005-09-14 | 日立建机株式会社 | Cover device for oil hydraulic cylinder |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115354711B (en) | 2023-07-07 |
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