CN207453901U - A kind of novel hydraulic chuck - Google Patents
A kind of novel hydraulic chuck Download PDFInfo
- Publication number
- CN207453901U CN207453901U CN201721554283.XU CN201721554283U CN207453901U CN 207453901 U CN207453901 U CN 207453901U CN 201721554283 U CN201721554283 U CN 201721554283U CN 207453901 U CN207453901 U CN 207453901U
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- CN
- China
- Prior art keywords
- chuck
- slips
- rear cover
- conical ring
- chuck body
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- 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 provides a kind of novel hydraulic chuck,It is related to coal mine machinery field,Including rear cover,Pass pulling plate,End cap,Chuck body,Big spring,Chuck piston,Slips and conical ring,The rear end of the chuck body and rear cover are connected by screw in biography pulling plate,The rear cover is L-type structure,Its vertical portion is arranged between chuck body and biography pulling plate,Horizontal position is in the inside of chuck body,Big spring is arranged on the inside of end cap,Chuck piston is arranged on chuck body,Between the vertical portion of rear cover and big spring,The slips is arranged between end cap and the horizontal part of rear cover,Conical ring is equipped with before the slips and chuck piston,The lateral surface of the slips is taper,Section is inclined-plane,The inside of conical ring is taper,Section is inclined-plane,The lateral surface of slips and the medial surface of conical ring are engaged,By setting conical ring,Even if system pressure and oil temperature occur larger or fluctuate widely during use,Conical surface slips is not easy to damage,Stable structure,Reduce replacement cost.
Description
Technical field
The utility model is related to coal mine machinery fields, and in particular to a kind of novel hydraulic chuck.
Background technology
Oild chuck used in previous drilling machine is rubber chuck, is occurred in the pressure or temperature of drilling rig hydraulic system
The problem of packing element is damaged easily occur for larger or while fluctuating widely, underground replace a packing element need to spend 1.5 it is small when or so,
And casualty accident of leaping up in hole under drilling rod easily occurs during oild chuck is removed.Such accident has in major colliery
Occur.
In view of this, it is necessary to make improvement.
Utility model content
The utility model provides a kind of novel hydraulic chuck, is hardly damaged.
A kind of novel hydraulic chuck including rear cover, passes pulling plate, end cap, chuck body, big spring, chuck piston, slips and cone
Shape ring, the rear end of the chuck body and rear cover be connected by screw in pass pulling plate 2 on, the rear cover be L-type structure, vertical portion
Between being arranged at chuck body and passing pulling plate, for horizontal position in the inside of chuck body, big spring is arranged on the inside of end cap, and chuck is lived
Plug is arranged between chuck body, the vertical portion of rear cover and big spring, and the slips is arranged between end cap and the horizontal part of rear cover,
Be equipped with conical ring before the slips and chuck piston, the lateral surface of the slips is taper, and section is inclined-plane, conical ring it is interior
Side is taper, and section is inclined-plane, and the lateral surface of slips and the medial surface of conical ring are engaged.
Further, the lateral surface section of the conical ring is right angle bent, and the front elevational sectional of the chuck piston is
Right angle bent, the lateral surface of conical ring are engaged with the medial surface of chuck piston.
Further, the big spring is nitrogen gas spring.
Further, inner seal ring is equipped between the chuck piston and the horizontal part of rear cover.
Further, the chuck piston and chuck body are respectively equipped with exterior seal ring in rear side and front side.
Further, it is additionally provided with O-ring between the chuck body and the vertical portion of rear cover.
Further, it is additionally provided with little spring between the slips.
The utility model has the advantage of：By setting a conical ring before slips and chuck piston, when in use
Even if system pressure and oil temperature occur larger or fluctuate widely, conical surface slips is not easy to damage, stable structure, and even if damage
It is bad, dismounting and change is also allowed for, and the cost for only replacing conical ring is relatively low, comparatively improves productivity effect.
Description of the drawings
Fig. 1 is the main structure diagram in the utility model embodiment 1；
Fig. 2 is the conical ring structure diagram in this practicability embodiment 1.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
With reference to attached drawing 1 and Fig. 2, a kind of novel hydraulic chuck of the utility model including rear cover 3, passes pulling plate 2, end cap 9, card
Disk body 12, big spring 8, chuck piston 4, slips 7 and conical ring 13, passing pulling plate 2 can be threadedly coupled with dynamic head main spindle, described
The rear end of chuck body 12 and rear cover 3 are connected by screw in passing in pulling plate 2, and the rear cover 3 is L-type structure, and vertical portion is set
Between chuck body 12 and biography pulling plate 2, for horizontal position in the inside of chuck body 12, big spring 8 is arranged on the inside of end cap 9, card
It vitalizes plug 4 to be arranged between chuck body 12, the vertical portion of rear cover 3 and big spring 8, chuck piston 4 slides, and hydraulic oil is pushed away from rear end
Dynamic chuck piston, the slips 7 are arranged between the horizontal part of end cap 9 and rear cover 2, are set before the slips 7 and chuck piston 4
There is conical ring 13, the lateral surface of the slips 7 is taper, and section is inclined-plane, and the inside of conical ring 13 is taper, and section is oblique
Face, the lateral surface of slips 7 and the medial surface of conical ring 13 are engaged, and during 4 forward slip of chuck piston, drive slips 7 radially
Movement, which is realized, to be clamped；
Further, the lateral surface section of the conical ring 13 be right angle bent, the front elevational sectional of the chuck piston 4
For right angle bent, the lateral surface of conical ring 13 is engaged with the medial surface of chuck piston 4.
Further, the big spring 8 is nitrogen gas spring, using nitrogen gas spring, occupied space smaller；
Further, inner seal ring 3 is equipped between the chuck piston 4 and the horizontal part of rear cover 2.
Further, the chuck piston 4 and chuck body 12 are respectively equipped with exterior seal ring in rear side and front side, and rear side is anti-
Konisphere 3, front side are Yx sealing rings 5.
Further, it is additionally provided with O-ring 11 between the chuck body 12 and the vertical portion of rear cover 3, more than seal approach,
The leakproofness of device can be greatly improved.
Further, little spring 6 is additionally provided between the slips 7, the position for ensuring between slips is fixed.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent substitution to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of various embodiments of the utility model technical solution
It encloses.
Claims (7)
1. a kind of novel hydraulic chuck, which is characterized in that including rear cover, pass pulling plate, end cap, chuck body, big spring, chuck work
Plug, slips and conical ring, the rear end of the chuck body and rear cover are connected by screw in passing in pulling plate 2, and the rear cover is L-type knot
Structure, between vertical portion is arranged at chuck body and passes pulling plate, horizontal position is arranged on end cap in the inside of chuck body, big spring
Inside, chuck piston are arranged between chuck body, the vertical portion of rear cover and big spring, and the slips is arranged on end cap and rear cover
Between horizontal part, conical ring is equipped with before the slips and chuck piston, the lateral surface of the slips is taper, and section is oblique
Face, the inside of conical ring is taper, and section is inclined-plane, and the lateral surface of slips and the medial surface of conical ring are engaged.
2. a kind of novel hydraulic chuck according to claim 1, which is characterized in that the lateral surface section of the conical ring is
Right angle bent, the front elevational sectional of the chuck piston is right angle bent, the lateral surface of conical ring and the inside of chuck piston
Face is engaged.
3. a kind of novel hydraulic chuck according to claim 1, which is characterized in that the big spring is nitrogen gas spring.
A kind of 4. novel hydraulic chuck according to claim 1, which is characterized in that the level of the chuck piston and rear cover
Inner seal ring is equipped between portion.
5. a kind of novel hydraulic chuck according to claim 1, which is characterized in that the chuck piston and chuck body are rear
Side and front side are respectively equipped with exterior seal ring.
A kind of 6. novel hydraulic chuck according to claim 1, which is characterized in that the vertical portion of the chuck body and rear cover
Between be additionally provided with O-ring.
7. a kind of novel hydraulic chuck according to claim 1, which is characterized in that small bullet is additionally provided between the slips
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554283.XU CN207453901U (en) | 2017-11-20 | 2017-11-20 | A kind of novel hydraulic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554283.XU CN207453901U (en) | 2017-11-20 | 2017-11-20 | A kind of novel hydraulic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207453901U true CN207453901U (en) | 2018-06-05 |
Family
ID=62276753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554283.XU Active CN207453901U (en) | 2017-11-20 | 2017-11-20 | A kind of novel hydraulic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207453901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676050A (en) * | 2017-11-20 | 2018-02-09 | 淮南矿业(集团)有限责任公司 | A kind of novel hydraulic chuck |
-
2017
- 2017-11-20 CN CN201721554283.XU patent/CN207453901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676050A (en) * | 2017-11-20 | 2018-02-09 | 淮南矿业(集团)有限责任公司 | A kind of novel hydraulic chuck |
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| GR01 | Patent grant |