CN202498333U - Milled head and special-purpose dismounting assistive devices - Google Patents

Milled head and special-purpose dismounting assistive devices Download PDF

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Publication number
CN202498333U
CN202498333U CN2012200134958U CN201220013495U CN202498333U CN 202498333 U CN202498333 U CN 202498333U CN 2012200134958 U CN2012200134958 U CN 2012200134958U CN 201220013495 U CN201220013495 U CN 201220013495U CN 202498333 U CN202498333 U CN 202498333U
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CN
China
Prior art keywords
dismounting
milled head
special
axle
diameter
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.)
Withdrawn - After Issue
Application number
CN2012200134958U
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Chinese (zh)
Inventor
王亮忠
杜援利
王庆云
侯利先
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.)
Chinacoal Beijing Coal Mining Machinery Co Ltd
Original Assignee
Chinacoal Beijing Coal Mining 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 Chinacoal Beijing Coal Mining Machinery Co Ltd filed Critical Chinacoal Beijing Coal Mining Machinery Co Ltd
Priority to CN2012200134958U priority Critical patent/CN202498333U/en
Application granted granted Critical
Publication of CN202498333U publication Critical patent/CN202498333U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a milled head and special-purpose dismounting assistive devices. An axis part of the a milled head is provided with dismounting axle holes, inner ends and outer ends of which are respectively provided with a bearing; an outer end surface of the milled head is provided with fixing screw holes. Corresponding special-purpose dismounting assistive devices comprise a dismounting shaft and a dismounting arm; a diameter of the dismounting shaft is matching with an inner hole of a bearing in the dismounting axle holes; a rear part of the dismounting shaft is provided with a position-restricted plate which is provided with through holes at positions corresponding with the fixing screw holes on the outer end surface of the milled head. The special-purpose dismounting assistive devices are used for dismounting the milled head, which can provide convenience for dismounting for workers, substantially reduce labor intensity of the workers and eliminate potential safety hazards.

Description

Milled head and special-purpose dismounting accessory thereof
Technical field
The utility model relates to a kind of milled head and special-purpose dismounting accessory thereof, relates in particular to a kind of milled head and special-purpose dismounting accessory thereof.
Background technology
Along with continuing to increase of support frame type, the cylinder diameter of column also constantly increases, corresponding milled head specification is also increasing, has caused the difficulty of milled head dismounting on the boring bar, installation.
At present; What the milled head of small dimension (φ is below 360) adopted is solid construction, along with specification increasing (especially for the milled head of φ more than 400), and workman's dismounting more and more difficult on the boring bar; Manual work is removed motionless, inconvenience when overhead traveling crane hangs (when particularly twisting button).For this reason, the technical staff has carried out optimal design, and milled head has adopted hollow-core construction, though weight has descended more than 30%, but can not thoroughly solve the difficult problem of dismounting, has following shortcoming at least:
The one, when overhead traveling crane hangs, be difficult to guarantee that through center of gravity threaded portion is in level; The 2nd, when playing, realized not by overhead traveling crane stubborn button.
The utility model content
The purpose of the utility model provides a kind of workman's of convenience dismounting, reduces working strength of workers, the milled head that eliminates safe hidden trouble and special-purpose dismounting accessory thereof.
The purpose of the utility model realizes through following technical scheme:
The milled head of the utility model, the axis part of this milled head is provided with the dismounting axis hole, and the inner and the outer end of said dismounting axis hole are respectively equipped with bearing;
The outer face of said milled head is provided with fixing threaded hole.
The special-purpose dismounting accessory of the above-mentioned milled head of the utility model comprises dismounting axle, dismounting arm, and the lower end of said dismounting arm is fixedly connected with the rear end of said dismounting axle, and the endoporus of the bearing in the diameter of said dismounting axle and the said dismounting axis hole adapts;
The rear portion of said dismounting axle is provided with limiting plate, and the position corresponding to the fixing threaded hole on the outer face of said milled head on the said limiting plate is provided with through hole.
Technical scheme by above-mentioned the utility model provides can be found out, milled head that the utility model provides and special-purpose dismounting accessory thereof, because the axis part of this milled head is provided with the dismounting axis hole, the inner and the outer end of dismounting axis hole are respectively equipped with bearing; The outer face of milled head is provided with fixing threaded hole.Corresponding special dismounting accessory comprises dismounting axle, dismounting arm, and the endoporus of the bearing in the diameter of dismounting axle and the dismounting axis hole adapts; The rear portion of dismounting axle is provided with limiting plate, and the position corresponding to the fixing threaded hole on the outer face of milled head on the limiting plate is provided with through hole.Through special-purpose dismounting accessory milled head is carried out dismounting, can make things convenient for workman's dismounting, can reduce working strength of workers greatly, eliminate safe hidden trouble.
Description of drawings
The structural representation of the milled head that Fig. 1 a, Fig. 1 b provide for the utility model embodiment;
The structural representation of the special-purpose dismounting accessory of the milled head that Fig. 2 a, Fig. 2 b provide for the utility model embodiment;
The special-purpose dismounting accessory that Fig. 3 provides for the utility model embodiment carries out dismounting to milled head view.
The specific embodiment
To combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
The milled head of the utility model, its preferable specific embodiment is shown in Fig. 1 a, Fig. 1 b:
The axis part of this milled head is provided with dismounting axis hole 2, and the inner of said dismounting axis hole 2 and outer end are respectively equipped with bearing 3,5; The outer face of said milled head is provided with the fixing threaded hole (not shown).
The diameter of the endoporus of the bearing 5 of said dismounting axis hole 2 outer ends is greater than the diameter of the endoporus of the bearing 3 of said dismounting axis hole 2 the inners.
The outer end of said dismounting axis hole 2 is provided with protective cover 4.
The diameter of this milled head is more than or equal to 400cm, and this milled head is a hollow-core construction.
The diameter of the roller 1 of this milled head is 30cm.
The special-purpose dismounting accessory of the above-mentioned milled head of the utility model, its preferable specific embodiment is shown in Fig. 2 a, Fig. 2 b:
Comprise dismounting axle 8, dismounting arm 9, the lower end of said dismounting arm 9 is fixedly connected with the rear end of said dismounting axle 8, and the endoporus of the bearing in the diameter of said dismounting axle 8 and the said dismounting axis hole adapts;
The rear portion of said dismounting axle 8 is provided with limiting plate 6, and the position corresponding to the fixing threaded hole on the outer face of said milled head on the said limiting plate 6 is provided with through hole.
Said dismounting axle 8 is the step axle, the diameter that said dismounting axle 8 is anterior and the diameter at rear portion respectively with the bearing of the bearing of said dismounting axis hole the inner and outer end to adaptation.
The rear portion of said dismounting axle 8 is provided with draw-in groove, and said limiting plate 6 is a two halves formula structure, and two halves limiting plate 6 snaps into respectively in the said draw-in groove.
The upper end of said dismounting arm 9 is crooked to the preceding extreme direction of said dismounting axle 8, and is provided with a plurality of locksets hole 10 at said crooked position.Rigging shackle 7 is loaded in the different lockset holes 10.
The diameter of said milled head is more than or equal to 400cm, and this milled head is a hollow-core construction.
Specific embodiment:
So that milled head to be installed is example, and the implementation method that the utility model is concrete is described:
As shown in Figure 3:
At first, the protective cover of the milled head left end of dismantling inserts the dismounting axle of special-purpose dismounting accessory then from left end, guarantee that two places' brearing bores cooperate, rotation freely, two limiting plates of packing into, and limiting plate and milled head are fixed together through screw;
Then, regulate rigging shackle position, be in level when milled head is sling basically;
Afterwards, the overhead traveling crane rigging shackle of slinging makes milled head near boring bar, adjustment position, revolving-rolling head, and threaded together is installed.
After installing, unscrew the screw of two limiting plates, take off two limiting plates, take out special-purpose dismounting accessory again.
At last, install the protective cover of milled head left end, prevent entering such as iron filings, greasy dirt.
The utility model is through milled head hollow structure, the not isometrical bearing arrangement of bore design two covers; Scalable rigging shackle positional structure on the corresponding step axle construction of dismounting accessory, the dismounting accessory, or the like.Make things convenient for workman's dismounting, can reduce working strength of workers greatly, eliminate safe hidden trouble.
Simultaneously, the utility model changes φ 22 rollers of milled head among the prior art person into φ 30 rollers, has increased the roller life-span greatly.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claims.

Claims (10)

1. a milled head is characterized in that, the axis part of this milled head is provided with the dismounting axis hole, and the inner and the outer end of said dismounting axis hole are respectively equipped with bearing;
The outer face of said milled head is provided with fixing threaded hole.
2. milled head according to claim 1 is characterized in that, the diameter of the endoporus of the bearing of said dismounting axis hole outer end is greater than the diameter of the endoporus of the inner bearing of said dismounting axis hole.
3. milled head according to claim 2 is characterized in that the outer end of said dismounting axis hole is provided with protective cover.
4. according to claim 1,2 or 3 described milled heads, it is characterized in that the diameter of this milled head is more than or equal to 400cm, this milled head is a hollow-core construction.
5. milled head according to claim 4 is characterized in that, the diameter of the roller of this milled head is 30cm.
6. the special-purpose dismounting accessory of a claim 1,2 or 3 described milled heads; It is characterized in that; Comprise dismounting axle, dismounting arm, the lower end of said dismounting arm is fixedly connected with the rear end of said dismounting axle, and the endoporus of the bearing in the diameter of said dismounting axle and the said dismounting axis hole adapts;
The rear portion of said dismounting axle is provided with limiting plate, and the position corresponding to the fixing threaded hole on the outer face of said milled head on the said limiting plate is provided with through hole.
7. special-purpose dismounting accessory according to claim 6 is characterized in that said dismounting axle is the step axle, the diameter that said dismounting axle is anterior and the diameter at rear portion respectively with the bearing of the bearing of said dismounting axis hole the inner and outer end to adaptation.
8. special-purpose dismounting accessory according to claim 6 is characterized in that the rear portion of said dismounting axle is provided with draw-in groove, and said limiting plate is a two halves formula structure, and the two halves limiting plate can snap in the said draw-in groove respectively.
9. special-purpose dismounting accessory according to claim 6 is characterized in that, the upper end of said dismounting arm is crooked to the preceding extreme direction of said dismounting axle, and is provided with a plurality of locksets hole at said crooked position.
10. special-purpose dismounting accessory according to claim 6 is characterized in that, the diameter of said milled head is more than or equal to 400cm, and this milled head is a hollow-core construction.
CN2012200134958U 2012-01-12 2012-01-12 Milled head and special-purpose dismounting assistive devices Withdrawn - After Issue CN202498333U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200134958U CN202498333U (en) 2012-01-12 2012-01-12 Milled head and special-purpose dismounting assistive devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200134958U CN202498333U (en) 2012-01-12 2012-01-12 Milled head and special-purpose dismounting assistive devices

Publications (1)

Publication Number Publication Date
CN202498333U true CN202498333U (en) 2012-10-24

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CN2012200134958U Withdrawn - After Issue CN202498333U (en) 2012-01-12 2012-01-12 Milled head and special-purpose dismounting assistive devices

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528377A (en) * 2012-01-12 2012-07-04 中煤北京煤矿机械有限责任公司 Rolling head and special dismounting assistive tool thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528377A (en) * 2012-01-12 2012-07-04 中煤北京煤矿机械有限责任公司 Rolling head and special dismounting assistive tool thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121024

Effective date of abandoning: 20140402

RGAV Abandon patent right to avoid regrant