CN208650847U - A kind of telescopic quick-mounting type anticreep pick - Google Patents
A kind of telescopic quick-mounting type anticreep pick Download PDFInfo
- Publication number
- CN208650847U CN208650847U CN201821135570.1U CN201821135570U CN208650847U CN 208650847 U CN208650847 U CN 208650847U CN 201821135570 U CN201821135570 U CN 201821135570U CN 208650847 U CN208650847 U CN 208650847U
- Authority
- CN
- China
- Prior art keywords
- pick
- hole
- anticreep
- axle portion
- bayonet lock
- 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.)
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Abstract
The utility model discloses a kind of telescopic quick-mounting type anticreep picks, including pick head and pick axle portion, it is assemblied in pick pedestal by pick set, pick axle portion is plugged in pick set, spring is housed between pick head and pick set, the lower end of pick axle portion stretches out the lower end of pick pedestal and is provided with disconnecting prevention structure, and disconnecting prevention structure includes: the anticreep through-hole for being opened in the lower end of pick axle portion；The strip through-hole being opened at the pick axle portion below anticreep through-hole；Bayonet lock, the main body of bayonet lock is V-shaped and the opening of v-shaped structure shrink deformation after can reset, the both ends of the opening of bayonet lock horizontal extension outward, bayonet lock open end is shunk the both ends that can be inserted into strip through-hole and at reset after-opening after deformation and can be stretched out from the both ends of anticreep through-hole, and above-mentioned apparatus can improve unexpected hard rock impact failure problem caused by pick.
Description
Technical field
The utility model relates to mining machinery accessory technical field, in particular to a kind of telescopic quick-mounting type anticreep
Pick.
Background technique
Currently, being usually pure rigid connection between pick and pick box on coal mining machine roller, function is with cutting
The rotation of roller is realized to coal petrography cutting, is mostly impact load since coal petrography is broken, on the influence of the vibratory impulse of coal machine entirety compared with
Greatly, while coal seam quality structure is complex, and pick can inevitably encounter unexpected hard rock situation in cutting course, so that pick
Abnormal spoilage frequent occurrence causes the stress of entire roller to become the working performance for badly influencing complete machine, reduces and uses
Service life.
In conclusion how to improve unexpected hard rock impact failure problem caused by pick, become those skilled in the art
Member's technical problem urgently to be resolved.
Utility model content
The purpose of the utility model is to provide a kind of telescopic quick-mounting type anticreep picks, can improve unexpected hard rock pair
Impact failure problem caused by pick.
In order to solve the above technical problems, the utility model provides following technical solution:
A kind of telescopic quick-mounting type anticreep pick, including pick head and pick axle portion are assemblied in by pick set and are cut
In bottom of the tooth seat, the pick axle portion is plugged in pick set, and spring, the pick are housed between the pick head and pick set
The lower end of axle portion stretches out the lower end of pick pedestal and is provided with disconnecting prevention structure, and the disconnecting prevention structure includes:
Its axis is laterally opened in the anticreep through-hole of the lower end of the pick axle portion perpendicular to the axis of the pick；
The strip through-hole being opened at the pick axle portion below the anticreep through-hole, the lower end of the strip through-hole, which is located at, to be cut
At the lower end surface in tooth shaft portion and upper end is connected to anticreep through-hole, the axis of strip through-hole phase vertical with the axis of anticreep through-hole
It hands over；
The main body of bayonet lock, the bayonet lock is V-shaped and the opening of v-shaped structure shrink deformation after can reset, the opening of bayonet lock
Both ends horizontal extension outward, the bayonet lock open end can be inserted into strip through-hole after shrinking deformation and reset at after-opening
Both ends can be stretched out from the both ends of anticreep through-hole.
Preferably, the pick head upper end of the telescopic quick-mounting type anticreep pick is provided with spiral shape wear-resisting head.
Telescopic quick-mounting type anticreep pick provided by the utility model is equipped with bullet between pick head and pick set
Spring, by presetting elastic preload, the effectively maximum resistance of regulation and control pick cutting, since spring is located at cutting pick head
Between portion and pick set, when normal cutting, clipping force is less than the pretightning force of spring, and overall structure relative position does not become
Change, when encountering hard rock, cutting resistance is greater than the pretightning force of spring, and pick axially contracts, and cutting length becomes smaller, clipping force
It is corresponding to reduce, to achieve the purpose that automatically control clipping force and protect pick, effectively pick can be prevented in fortuitous event
Under breakage, guarantee its service life, adverse effect of the shock loading to roller be effectively reduced, in addition, pick axle portion by cut
Tooth set is plugged in the assembly through-hole of pick pedestal, and the assembly through-hole of pick pedestal is stretched out in the lower end of pick axle portion, and is stretching out
Part be provided with disconnecting prevention structure, disconnecting prevention structure includes anticreep through-hole, strip through-hole and bayonet lock, and disconnecting prevention structure is set to stretching and cuts
At the pick axle portion of bottom of the tooth seat lower end, anticreep through-hole extends transversely through pick axle portion, and is provided with and communicated with below anticreep through-hole
Strip through-hole, wherein the lower end of strip through-hole is located at the lower end surface of pick axle portion, and the v-shaped structure of latch body can hold power
Reduce its opening so as to which the open end of bayonet lock to be inserted into anticreep through-hole from the lower end of strip through-hole, Zhi Housong
Hand, the structure restoration of bayonet lock and then can stretch out the both ends of the opening of bayonet lock from the both ends of anticreep through-hole, with prevent pick from
The abjection of pick pedestal can further prevent pick to take off from the assembly through-hole of pick pedestal by the effect of above-mentioned disconnecting prevention structure
Out, meanwhile, the pretightning force of spring, assembly convenience are controlled.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of telescopic quick-mounting type anticreep pick provided by the utility model.
In figure: 1, pick head；2, pick axle portion；3, pick set；4, pick pedestal；5, spring；6, anticreep through-hole；7, item
Shape through-hole；8, bayonet lock；9, spiral shape wear-resisting head.
Specific embodiment
The core of the utility model is to provide a kind of telescopic quick-mounting type anticreep pick, can improve unexpected hard rock pair
Impact failure problem caused by pick.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Incorporated by reference to Fig. 1, Fig. 1 is the structural schematic diagram of telescopic quick-mounting type anticreep pick provided by the utility model.
Telescopic quick-mounting type anticreep pick provided by the utility model, including pick head 1 and pick axle portion 2 lead to
It crosses pick set 3 to be assemblied in pick pedestal 4, pick axle portion is plugged in pick set, and bullet is housed between pick head and pick set
Spring 5, the lower end of pick axle portion stretch out the lower end of pick pedestal and are provided with disconnecting prevention structure, and disconnecting prevention structure includes: that its axis hangs down
Directly in the axis of pick, it is laterally opened in the anticreep through-hole 6 of the lower end of pick axle portion；The pick being opened in below anticreep through-hole
Strip through-hole 7 at axle portion, the lower end of strip through-hole is located at the lower end surface of pick axle portion and upper end is connected to anticreep through-hole, item
The axis of shape through-hole and the axis of anticreep through-hole intersect vertically；The main body of bayonet lock 8, bayonet lock is V-shaped and the opening of v-shaped structure is shunk
It can be resetted after deformation, horizontal extension, bayonet lock open end can be inserted into item after shrinking deformation outward at the both ends of the opening of bayonet lock
Both ends in shape through-hole and at reset after-opening can be stretched out from the both ends of anticreep through-hole.
Preferably, structure as shown in Figure 1, anticreep through-hole are circular through hole.In addition, anticreep through-hole can also be rectangular logical
Hole.
Telescopic quick-mounting type anticreep pick provided by the utility model is equipped with bullet between pick head and pick set
Spring, by presetting elastic preload, the effectively maximum resistance of regulation and control pick cutting, since spring is located at cutting pick head
Between portion and pick set, when normal cutting, clipping force is less than the pretightning force of spring, and overall structure relative position does not become
Change, when encountering hard rock, cutting resistance is greater than the pretightning force of spring, and pick axially contracts, and cutting length becomes smaller, clipping force
It is corresponding to reduce, to achieve the purpose that automatically control clipping force and protect pick, effectively pick can be prevented in fortuitous event
Under breakage, guarantee its service life, adverse effect of the shock loading to roller be effectively reduced, in addition, pick axle portion by cut
Tooth set is plugged in the assembly through-hole of pick pedestal, and the assembly through-hole of pick pedestal is stretched out in the lower end of pick axle portion, and is stretching out
Part be provided with disconnecting prevention structure, disconnecting prevention structure includes anticreep through-hole, strip through-hole and bayonet lock, and disconnecting prevention structure is set to stretching and cuts
At the pick axle portion of bottom of the tooth seat lower end, anticreep through-hole extends transversely through pick axle portion, and is provided with and communicated with below anticreep through-hole
Strip through-hole, wherein the lower end of strip through-hole is located at the lower end surface of pick axle portion, and the v-shaped structure of latch body can hold power
Reduce its opening so as to which the open end of bayonet lock to be inserted into anticreep through-hole from the lower end of strip through-hole, Zhi Housong
Hand, the structure restoration of bayonet lock and then can stretch out the both ends of the opening of bayonet lock from the both ends of anticreep through-hole, with prevent pick from
The abjection of pick pedestal can further prevent pick to take off from the assembly through-hole of pick pedestal by the effect of above-mentioned disconnecting prevention structure
Out, meanwhile, the pretightning force of spring, assembly convenience are controlled.
In order to advanced optimize technical solution, telescopic quick-mounting type anticreep pick provided by the utility model, section
Tooth head upper end is provided with spiral shape wear-resisting head 9, can further improve the wearability on pick head.
A kind of telescopic quick-mounting type anticreep pick provided by the utility model is described in detail above.Herein
In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above embodiments is only used
The method and its core concept of the utility model are understood in help.It should be pointed out that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these
Improvement and modification are also fallen into the protection scope of the utility model claims.
Claims (2)
1. a kind of telescopic quick-mounting type anticreep pick, including pick head and pick axle portion, are assemblied in pick by pick set
In pedestal, the pick axle portion is plugged in pick set, which is characterized in that bullet is housed between the pick head and pick set
Spring, the lower end of the pick axle portion stretch out the lower end of pick pedestal and are provided with disconnecting prevention structure, and the disconnecting prevention structure includes:
Its axis is laterally opened in the anticreep through-hole of the lower end of the pick axle portion perpendicular to the axis of the pick；
The lower end of the strip through-hole being opened at the pick axle portion below the anticreep through-hole, the strip through-hole is located at pick axis
At the lower end surface in portion and upper end is connected to anticreep through-hole, and the axis of the axis and anticreep through-hole of the strip through-hole intersects vertically；
The main body of bayonet lock, the bayonet lock is V-shaped and the opening of v-shaped structure shrink deformation after can reset, the two of the opening of bayonet lock
Horizontal extension, the bayonet lock open end can be inserted into two in strip through-hole and at reset after-opening after shrinking deformation outward at end
End can be stretched out from the both ends of anticreep through-hole.
2. telescopic quick-mounting type anticreep pick as described in claim 1, which is characterized in that the telescopic quick-mounting type is anti-
The pick head upper end of de- pick is provided with spiral shape wear-resisting head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135570.1U CN208650847U (en) | 2018-07-18 | 2018-07-18 | A kind of telescopic quick-mounting type anticreep pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135570.1U CN208650847U (en) | 2018-07-18 | 2018-07-18 | A kind of telescopic quick-mounting type anticreep pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650847U true CN208650847U (en) | 2019-03-26 |
Family
ID=65785443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821135570.1U Expired - Fee Related CN208650847U (en) | 2018-07-18 | 2018-07-18 | A kind of telescopic quick-mounting type anticreep pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208650847U (en) |
-
2018
- 2018-07-18 CN CN201821135570.1U patent/CN208650847U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20210718 |