CN104444899A - Steel wire rope protector and engineering machinery - Google Patents

Steel wire rope protector and engineering machinery Download PDF

Info

Publication number
CN104444899A
CN104444899A CN201410691109.4A CN201410691109A CN104444899A CN 104444899 A CN104444899 A CN 104444899A CN 201410691109 A CN201410691109 A CN 201410691109A CN 104444899 A CN104444899 A CN 104444899A
Authority
CN
China
Prior art keywords
roller
wire rope
adapter shaft
pole
steel rope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410691109.4A
Other languages
Chinese (zh)
Inventor
安聪锋
张世平
孙玉杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Sany Heavy Machinery Co Ltd
Original Assignee
Beijing Sany Heavy Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Sany Heavy Machinery Co Ltd filed Critical Beijing Sany Heavy Machinery Co Ltd
Priority to CN201410691109.4A priority Critical patent/CN104444899A/en
Publication of CN104444899A publication Critical patent/CN104444899A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a steel wire rope protector and engineering machinery. The steel wire rope protector comprises a supporting rod assembly and an idler wheel assembly. The supporting rod assembly comprises a first supporting rod and a second supporting rod. The idler wheel assembly comprises a first idler wheel, a second idler wheel, a first connecting shaft and a second connecting shaft. The first idler wheel is arranged outside the first connecting shaft in a rotating and sleeving mode, and the first connecting shaft is connected with the first supporting rod. The second idler wheel is arranged outside the second connecting shaft in a rotating and sleeving mode, and the second connecting shaft is connected with the second supporting rod. Brushes are arranged on the circumferential surface of the first idler wheel and the circumferential surface of the second idler wheel respectively. The steel wire rope protector can brush away foreign matter such as sand on the surface of a steel wire rope when the steel wire rope ascends or descends, and therefore the surface of the steel wire rope can be cleaned, the steel wire rope can be protected, and the service life of the steel wire rope can be prolonged.

Description

Protecting device for wire rope and construction machinery and equipment
Technical field
The present invention relates to engineering machinery field, particularly a kind of protecting device for wire rope and construction machinery and equipment.
Background technology
Steel rope is the flexible cable twisted into many or multiply finer wire, and it plays for the effect promoted, draw, strain and carry in material carrying machine.Steel rope have intensity high, from heavy and light, stable working, the not easily advantage such as whole root fracture suddenly, in the construction machinery and equipments such as rotary drilling rig, hoisting crane, tower machine, there is widespread use.
Steel rope mostly plays the effect of lifting in construction machinery and equipment, as the master winch steel rope of rotary drilling rig.Steel rope draws parts as carrying, and needs frequent in and out of among mud, sand, also need to shuttle back and forth between multiple fixed pulley during work.For increasing service life of steel wire rope, need steel rope coating lubricating oil, to prevent between steel rope and pulley, rapid wear between steel wire and steel wire.Coating lubricating oil is with the wearing and tearing so can lowering steel rope, but the viscosity of lubricating oil can strengthen the adhesion of steel rope to small particles such as the mud grains of sand, rubbles.After adhering to, the steel rope of above-mentioned foreign matter is when contacting with pulley and reel, and steel rope can be subject to the extruding of foreign matter, and this will destroy the surface of steel rope, shortens the service life of steel rope.
Summary of the invention
In view of this, the present invention proposes a kind of protecting device for wire rope and construction machinery and equipment.For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of protecting device for wire rope, comprising: fulcrum bar component, it comprises the first pole and the second pole; Roll wheel assembly, its assembly comprises the first roller, the second roller, the first adapter shaft and the second adapter shaft; Described first roller is rotating to be sheathed on outside described first adapter shaft, and described first adapter shaft is connected with described first pole; Described second roller is rotating to be sheathed on outside described second adapter shaft, and described second adapter shaft is connected with described second pole; Described first roller and the second roller are provided with hairbrush along the surface of its circumference.
Further, the top of described first pole and the second pole is provided with hinged mouth; Described protecting device for wire rope also comprises positioning bar, and described positioning bar is connected with the second adapter shaft with described first adapter shaft, for regulating the gap of described first roller and the second roller.
Further, described positioning bar is provided with the first connecting bore for being connected with described first adapter shaft, with the second connecting bore for being connected with described second adapter shaft; The number of described first connecting bore and/or the second connecting bore is multiple.
Further, also comprise: the first limit opening pin, be connected with described first adapter shaft and be arranged at the outside of described positioning bar; And/or the second limit opening pin, is connected with described second adapter shaft, and is arranged at the outside of described positioning bar.
Further, the 3rd pole and the 4th pole is also comprised; Described 3rd pole is connected with the two ends of described first adapter shaft respectively with the first pole; Described 4th pole is connected with the two ends of described second adapter shaft respectively with the second pole.
Further, clutch shaft bearing is provided with between described first roller and the first adapter shaft; The second bearing is provided with between described second roller and the second adapter shaft.
Further, the middle part of described first roller and the second roller is provided with the arc sections of outwardly convex.
Further, described first roller and the second roller are 200mm ~ 500mm along the length range in the direction of its rotating shaft.
On the other hand, the present invention also provides a kind of construction machinery and equipment, comprises steel rope and pulley yoke, and described steel rope stretches out from the pulley described pulley yoke; Also comprise the protecting device for wire rope described in claim to any one; Described steel rope is between first roller and the second roller of described protecting device for wire rope.
Further, described construction machinery and equipment is rotary drilling rig; Described steel rope is master winch steel rope; Described fulcrum bar component and described pulley yoke hinged.
The invention provides a kind of protecting device for wire rope; this device in use steel rope between first roller and the second roller of roll wheel assembly; steel rope is when carrying out the action of put-on and delegated; steel rope passes between two rollers with hairbrush; and drive two rollers around its axial rotation; relative motion is had between steel rope and roller; in motion process, hairbrush is by under the foreign matter brushes such as the grains of sand on steel rope surface; reach the effect on cleaning wire rope surface; steel rope is played a protective role, extends the service life of steel rope.Meanwhile, roller can also be brushed in rotation process under foreign matter throw away, thus achieve the self-cleaning of roller.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of the protecting device for wire rope that Fig. 1 provides for the embodiment of the present invention;
The view of protecting device for wire rope before and after steel rope occurs during beat that Fig. 2 provides for the embodiment of the present invention;
The protecting device for wire rope that Fig. 3 provides for the embodiment of the present invention removes view when protecting steel rope;
The structural representation of the protecting device for wire rope that Fig. 4 provides for the embodiment of the present invention, it also shows the view of this fender guard when steel rope deflects.
Description of reference numerals:
11 first pole 12 second poles
13 the 3rd pole 21 first rollers
22 second roller 31 first adapter shafts
32 second adapter shafts 4 are transposed bar
51 first limit opening pin 52 second limit opening pins
6 steel rope 7 pulley yokes
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further.
Refer to Fig. 1, the figure shows the structure of the protecting device for wire rope that the embodiment of the present invention provides.This protecting device for wire rope specifically comprises:
Fulcrum bar component, it comprises the first pole 11 and the second pole 12;
Roll wheel assembly, it comprises the first roller 21, second roller 22, first adapter shaft 31 and the second adapter shaft 32.Wherein,
Rotating outer 31, first adapter shaft 31 of the first adapter shaft that is sheathed on of first roller 21 is connected with the first pole 12; Rotating outer 32, second adapter shaft 32 of the second adapter shaft that is sheathed on of second roller 22 is connected with the second pole 12; Further, above-mentioned first roller 21 and the second roller 22 are provided with hairbrush along the surface of its circumference.
The protecting device for wire rope that the present embodiment provides can carry out scarfing cinder process to the foreign matter such as the grains of sand, rubble sticking to steel rope surface; reduce steel rope because of adhere to above-mentioned foreign matter and the squeese pressure that is subject to; and then play protection steel rope, the object of prolonging service life of steel wire., be placed in by steel rope 6 between first roller 21 and the second roller 22, the circumferential surface of steel rope 6 and the first roller 21 and the second roller 22, to contacting, namely contacts with hairbrush in this device in use.The principle that this fender guard carries out scarfing cinder to steel rope 6 is as follows: steel rope 6 to be carried or in decentralization process upper; steel rope 6 is under the effect of friction force;, around own axis, the hairbrush in rotation process on roller is by under the foreign matter brush on steel rope 6 surface to drive two rollers (above-mentioned first roller 21 and the second roller 22).Further, roller in rotation process, can also by under brushing from steel rope 6, the foreign matter that is positioned at hairbrush throws away, and achieves automatic discharge again thus.
The arranged direction of above-mentioned first adapter shaft 31 and the second adapter shaft 32 is preferably all perpendicular with 6 arranged direction of steel rope, that is the pivot center of the first roller 21 and the second roller 22 is all perpendicular with steel rope 6.Described steel rope arranged direction then for after steel rope is in place, the arranged direction under state of nature, the direction namely swing not occurring and swings.
In this protecting device for wire rope, fulcrum bar component is used for support roller assembly, at least includes two poles, i.e. above-mentioned first pole 11 and the second pole 12 in fulcrum bar component.First pole 11 and the second pole 12 are all installed on the fixing equipment in a position, as on pulley yoke, then play just pair roller assembly and support and spacing effect.In work process, may there is swing in steel rope 6, and as steel rope is beated, or lifting width swings.Under ensureing above-mentioned situation; the protection of this steel rope still can play a role to steel rope; and the obstruction that protecting device for wire rope moves to steel rope 6 can be reduced, the protecting device for wire rope that the present embodiment provides is considered to realize with the trackability of steel rope 6 by improving this device.Further, preferably fixing with the position equipment of above-mentioned fulcrum bar component is hinged, and fulcrum bar component can swing thus, drives roll wheel assembly also can with steel rope 6 swing simultaneously.Thus, the top of above-mentioned first pole 11 and the second pole 12 is preferably provided with hinged mouth; Thus, fulcrum bar component can be connected in the mechanism near steel rope by this hinged mouth, as pulley yoke etc., the operating range of this fender guard is jumped out when can prevent steel rope from vibration occurring or swings on the one hand, for rotary drilling rig master winch steel rope, in the process of dismounting and change steel rope 6 or drilling rod, master winch steel rope can produce and lean forward more greatly, and this fender guard can be servo-actuated with steel rope; On the other hand, can also ensure that steel rope is unlikely to be drawn bad by this fender guard in swing process.Refer to Fig. 2, in Fig. 2, dotted portion is the position under steel rope state of nature, and the position of protecting device for wire rope; When bold portion is then steel rope forward rocking motion, the position of steel rope and protecting device for wire rope.
Although fulcrum bar component is articulated with equipment can reduce the obstruction of moving to steel rope 6, also makes the degree of freedom of relative motion between two rollers increase simultaneously, cause the gap of roller uncontrollable, and then the scarfing cinder effect of impact to steel rope 6.For this reason, further, this protecting device for wire rope is also provided with positioning bar 4 accordingly, and this positioning bar 4 is connected with the second adapter shaft 32 with the first adapter shaft 31, for regulating the gap of the first roller 11 and the second roller 12.Above-mentioned positioning bar 4 can be provided with the first connecting bore for being connected with the first adapter shaft 31, with the second connecting bore for being connected with the second adapter shaft 32; Further, the number of the first connecting bore 31 and/or the second connecting bore 32 is multiple.Refer to Fig. 1 and Fig. 3, this positioning bar 4 is provided with first connecting bore be connected with the first adapter shaft 31, and the first adapter shaft 31 is through this first connecting bore; Positioning bar 4 is also provided with two the second connecting bores for being connected with the second adapter shaft 32, when the second adapter shaft 32 is through when second connecting bore of steel rope 6, gap between two rollers is less, is less than the diameter of steel rope, now plays scarfing cinder effect to steel rope; When the second adapter shaft 32 passes second connecting bore away from steel rope 6, the gap between two rollers is comparatively large, is greater than the diameter of steel rope 6, does not now play scarfing cinder effect to steel rope, namely remove the protective effect to steel rope.In addition, more second connecting bore can also be set, select to realize the multiple adjustment in gap between two rollers.Similar, the first link can also can be arranged according to the method described above.
Further, this protecting device for wire rope also preferably includes: the first limit opening pin 51, is connected and is arranged at the outside of bar 4 of transposing with the first adapter shaft 31; And/or the second limit opening pin 52, is connected with the second adapter shaft 32, and be arranged at the outside of positioning bar 4.Above-mentioned first limit opening pin 51 and the second limit opening pin 52 play position-limiting action to positioning bar 4, prevent positioning bar 4 from coming off from the first adapter shaft 31 or the second adapter shaft 32.Further, spring cotter also has easy-to-mount advantage, when being also convenient to thus regulate roller gap, and the connection of adapter shaft and the different connecting holes on bar 4 of transposing.
Refer to Fig. 4, in order to lower the stressed of each pole in fulcrum bar component, and improve the support effect of pair roller assembly, above-mentioned fulcrum bar component can also comprise the 3rd pole 13 and the 4th pole; 3rd pole 13 is connected with the two ends of the first adapter shaft 31 respectively with the first pole 11; 4th pole is connected with the two ends of the second adapter shaft 32 respectively with the second pole 12.Namely there is strut support each roller both sides, to meet the reliability of various working bottom roller component operation.
In this protecting device for wire rope, the surface of roll wheel assembly is provided with hairbrush, for being the foreign matter on the process cleaning steel rope surface that steel rope contacts.It will be appreciated by those skilled in the art that, when needs are cleared up steel rope 6, the gap of the first roller 21 and the second roller 22 should be less than the diameter of steel rope 6, in the up-and-down movement process of steel rope 6 thus, roller not only can be driven to rotate, and the foreign matter on its surface is also cleared up by the hairbrush of roller surface.Further, can ensure that steel rope 6 is when swinging, and still can contact with the hairbrush of roller all the time by arranging its length along rotor shaft direction.The length along its rotating shaft of the first roller 21 and the second roller 22 is preferably arranged between 200mm ~ 500mm.Refer to Fig. 4, steel rope 6a represents the steel rope of state of nature, and steel rope 6b and steel rope 6c represents the steel rope swung.
In addition, in order to reduce roller in rotation process with the friction of adapter shaft, can clutch shaft bearing be provided with between above-mentioned first roller 21 and the first adapter shaft 31; Similar, the second bearing can be provided with between the second roller 22 and the second adapter shaft 32.For the shape of above-mentioned rollers, it can adopt cylinder, also can adopt fusiformis, is namely provided with the arc sections of outwardly convex in the middle part of it.
It should be noted that, in the present embodiment, in roll wheel assembly, the number of roller is two, can certainly be four, six or more even number, be arranged on fulcrum bar component accordingly, improve the scarfing cinder effect to steel rope by adapter shaft.
As shown in the above; the protecting device for wire rope that the embodiment of the present invention provides in use; steel rope is between first roller and the second roller of roll wheel assembly; steel rope is when carrying out the action of put-on and delegated; pass with between two of hairbrush rollers in steel rope; and drive two rollers around its axial rotation; relative motion is had between steel rope and roller; in motion process, hairbrush is by under the foreign matter brushes such as the grains of sand on steel rope surface; reach the effect on cleaning wire rope surface; steel rope is played a protective role, extends the service life of steel rope.Meanwhile, roller can also be brushed in rotation process under foreign matter throw away, thus achieve the self-cleaning of roller.
The embodiment of the present invention additionally provides a kind of construction machinery and equipment this project machinery and comprises steel rope 6 and pulley yoke 7, and steel rope 6 stretches out from the pulley pulley yoke 7; This project machinery is also provided with the protecting device for wire rope that above-described embodiment provides, and steel rope 6 is between first roller 21 and the second roller 22 of protecting device for wire rope.Fulcrum bar component in this protecting device for wire rope can be connected with pulley yoke 7.Specifically, this project machinery can be rotary drilling rig; Above-mentioned steel rope is master winch steel rope; Fulcrum bar component and pulley yoke 7 hinged.
Because above-mentioned protecting device for wire rope has above-mentioned technique effect, therefore, the construction machinery and equipment being provided with this protecting device for wire rope also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a protecting device for wire rope, is characterized in that, comprising:
Fulcrum bar component, it comprises the first pole (11) and the second pole (12);
Roll wheel assembly, its assembly comprises the first roller (21), the second roller (22), the first adapter shaft (31) and the second adapter shaft (32);
Described first roller (21) is rotating is sheathed on described first adapter shaft (31) outward, and described first adapter shaft (31) is connected with described first pole (11); Described second roller (22) is rotating is sheathed on described second adapter shaft (32) outward, and described second adapter shaft (32) is connected with described second pole (12);
Described first roller (21) and the second roller (22) are provided with hairbrush along the surface of its circumference.
2. protecting device for wire rope according to claim 1, is characterized in that,
The top of described first pole (11) and the second pole (12) is provided with hinged mouth;
Described protecting device for wire rope also comprises positioning bar (4); described positioning bar (4) is connected with the second adapter shaft (32) with described first adapter shaft (31), for regulating the gap of described first roller (21) and the second roller (22).
3. protecting device for wire rope according to claim 2, is characterized in that,
Described positioning bar (4) is provided with the first connecting bore for being connected with described first adapter shaft (31), with the second connecting bore for being connected with described second adapter shaft (32); The number of described first connecting bore and/or the second connecting bore is multiple.
4. protecting device for wire rope according to claim 3, is characterized in that, also comprises:
First limit opening pin (51), is connected with described first adapter shaft (31) and is arranged at the outside of described positioning bar (4); And/or,
Second limit opening pin (52), is connected with described second adapter shaft (32), and is arranged at the outside of described positioning bar (4).
5. protecting device for wire rope according to claim 1, is characterized in that, also comprises the 3rd pole (13) and the 4th pole; Described 3rd pole (13) is connected with the two ends of described first adapter shaft (31) respectively with the first pole (11); Described 4th pole and the second pole (12) are connected with the two ends of described second adapter shaft (32) respectively.
6. protecting device for wire rope according to claim 1, is characterized in that, is provided with clutch shaft bearing between described first roller (21) and the first adapter shaft (31); The second bearing is provided with between described second roller (22) and the second adapter shaft (32).
7. protecting device for wire rope according to claim 1, is characterized in that, the middle part of described first roller (21) and the second roller (22) is provided with the arc sections of outwardly convex.
8. protecting device for wire rope according to claim 1, is characterized in that, described first roller (21) and the second roller (22) are 200mm ~ 500mm along the length range in the direction of its rotating shaft.
9. a construction machinery and equipment, comprise steel rope (6) and pulley yoke (7), described steel rope (6) stretches out from the pulley described pulley yoke (7); It is characterized in that, also comprise the protecting device for wire rope described in claim 1 to 8 any one; Described steel rope (6) is positioned between first roller (21) of described protecting device for wire rope and the second roller (22).
10. construction machinery and equipment according to claim 9, is characterized in that, described construction machinery and equipment is rotary drilling rig; Described steel rope (6) is master winch steel rope (6); Described fulcrum bar component and described pulley yoke (7) hinged.
CN201410691109.4A 2014-11-26 2014-11-26 Steel wire rope protector and engineering machinery Pending CN104444899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410691109.4A CN104444899A (en) 2014-11-26 2014-11-26 Steel wire rope protector and engineering machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410691109.4A CN104444899A (en) 2014-11-26 2014-11-26 Steel wire rope protector and engineering machinery

Publications (1)

Publication Number Publication Date
CN104444899A true CN104444899A (en) 2015-03-25

Family

ID=52891771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410691109.4A Pending CN104444899A (en) 2014-11-26 2014-11-26 Steel wire rope protector and engineering machinery

Country Status (1)

Country Link
CN (1) CN104444899A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840267A (en) * 2018-08-29 2018-11-20 江苏标龙建设集团有限公司 A kind of electrical hoist for building
CN109160433A (en) * 2018-10-19 2019-01-08 重庆前卫科技集团有限公司 A kind of constant tension winch and cable winding apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584838A (en) * 1968-02-20 1971-06-15 Electrohoists Patents Ltd Roof hoists
DE2419954A1 (en) * 1974-02-19 1976-03-25 Schuller Geb Schlenker Heidi Appts for raising-lowering maintenance cradle - using two separate nylon rope systems, and block-and-tackle device
DD140735A1 (en) * 1978-12-18 1980-03-26 Peter Schubert CABLE TREAD AND CABLE TREATMENT DEVICE FOR WINDS SPECIFIED ON VEHICLES, IN PARTICULAR
CN102320529A (en) * 2011-05-25 2012-01-18 上海普英特高层设备有限公司 Hoisting mechanism for automatic arranging rope
CN202897897U (en) * 2012-11-12 2013-04-24 中国石油天然气股份有限公司 Dirt-proof lubricator for steel wire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584838A (en) * 1968-02-20 1971-06-15 Electrohoists Patents Ltd Roof hoists
DE2419954A1 (en) * 1974-02-19 1976-03-25 Schuller Geb Schlenker Heidi Appts for raising-lowering maintenance cradle - using two separate nylon rope systems, and block-and-tackle device
DD140735A1 (en) * 1978-12-18 1980-03-26 Peter Schubert CABLE TREAD AND CABLE TREATMENT DEVICE FOR WINDS SPECIFIED ON VEHICLES, IN PARTICULAR
CN102320529A (en) * 2011-05-25 2012-01-18 上海普英特高层设备有限公司 Hoisting mechanism for automatic arranging rope
CN202897897U (en) * 2012-11-12 2013-04-24 中国石油天然气股份有限公司 Dirt-proof lubricator for steel wire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840267A (en) * 2018-08-29 2018-11-20 江苏标龙建设集团有限公司 A kind of electrical hoist for building
CN109160433A (en) * 2018-10-19 2019-01-08 重庆前卫科技集团有限公司 A kind of constant tension winch and cable winding apparatus

Similar Documents

Publication Publication Date Title
CA2747210C (en) Idler and undercarriage assembly for track-type machine
CA2488210C (en) Auxilliary assembly for reducing unwanted movement of a hoist rope
CN103291683A (en) Method for utilizing rolling friction to centralize piston rod to do reciprocating motion and actuating device for utilizing rolling friction to centralize piston rod to do reciprocating motion through implementing method
CN210505338U (en) Hoist engine for building
CN104891305B (en) Steel wire rope clearing apparatus and elevator mainteinance instrument
CN201325754Y (en) Energy-free sweeper rolling brush
CN104444899A (en) Steel wire rope protector and engineering machinery
JP4492554B2 (en) Flying object removal device
CN203784236U (en) Transmission structure of oil residue scraper plate
JP4664228B2 (en) Submarine bedrock removal attachment and underwater bedrock removal device
CN201907844U (en) Cleaning device used for cleaning belt conveyor roller
CN103993128B (en) Ratchet-type Dreg Scraping Device of Oxygen Lance
CN102491203A (en) Crane and luffing mechanism thereof
CN202787221U (en) Crawler-type dynamic compactor
KR101089788B1 (en) Pipe for wear-resistant having improved durability
JP5772215B2 (en) Elevator hoisting machine
CN104477805A (en) Steel wire rope protection device and rotary drilling rig
CN206567246U (en) A kind of sintering pallet swims plate clearing apparatus
KR101089781B1 (en) Pipe for wear-resistant with easily maintenance
CN105366320A (en) Striking type cleaning device of belt conveyor
CN205616163U (en) Inclined to one side cleaning device is prevented in rubber belt conveyor antiskid
CN113928956B (en) Elevator is from dust removal rope sheave
CN217597487U (en) Traveling pulley for down-the-hole drill
CN204338255U (en) The auxiliary support apparatus of cement mill
CN217298839U (en) Pull work chain structure and rotation trash cleaning machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150325