CN101704238A - High-power air pick - Google Patents
High-power air pick Download PDFInfo
- Publication number
- CN101704238A CN101704238A CN200910221791A CN200910221791A CN101704238A CN 101704238 A CN101704238 A CN 101704238A CN 200910221791 A CN200910221791 A CN 200910221791A CN 200910221791 A CN200910221791 A CN 200910221791A CN 101704238 A CN101704238 A CN 101704238A
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- China
- Prior art keywords
- cylinder body
- pick
- handle
- round steel
- air
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Abstract
The invention discloses a high-power air pick, which has light weight, simple structure and low processing cost and comprises a cylinder body and a pick drill. The cylinder body is internally provided with a valve core, a valve seat, a valve sleeve, a valve cover and a hammer body. The high-power air pick is characterized in that the cylinder body is specifically a round steel cylinder body, the pick drill is arranged at one end of the round steel cylinder body, the other end of the round steel cylinder body is fastened and connected with a handle cover through a bolt, a handle tube passes through a circumference end of the handle cover, an air path system is arranged in the handle tube, a trigger is arranged in a trigger installation cavity formed by the handle cover and the handle tube, the cross section of a non-working end of the pick drill is round and supports against the interior of the round cylinder body through a drill sleeve, and the non-working end surface of the pick drill is planarly contacted with a power transmission surface of a movement direction of the hammer body.
Description
(1) technical field
The present invention relates to the pneumatic pick field, be specially a kind of high-power pneumatic pick.
(2) background technology
Existing high-power pneumatic pick, its pick body be by forging moulding, its complex structure, and its pick rod connects hammer body by cushioned hammer, and the weight of its pneumatic pick is big, material cost and processing cost height.
(3) summary of the invention
At the problems referred to above, the invention provides a kind of high-power pneumatic pick, its weight is little, simple in structure, and processing cost is low.
Its technical scheme is such: it comprises cylinder body, pick rod, in the described cylinder body spool is housed, valve seat, valve pocket, valve gap, hammer body, it is characterized in that: described cylinder body is specially the round steel cylinder body, described pick rod is installed on an end of described round steel cylinder body, the described round steel cylinder body other end connects handle cover by bolted, handle tube is through the circumferential end of described handle cover, described handle tube inside is equipped with air-channel system, described trigger cooperation is installed on described handle cover, in the formed trigger installation cavity of handle tube, the cross section of the non-operative end of described pick rod is circular, it is supported on described circular cylinder interior by drill sleeve, and the non-operative end surface of described pick rod contacts with the power transmission facial plane of the direction of motion of described hammer body.
It is further characterized in that: the sidepiece of described cylinder body has steam vent; Described handle cover is opened oil filler point is housed, and described oil filler point is communicated with described air-channel system; Described pick rod is anchored on described circular cylinder body one end by spring; Described tube connector is fastenedly connected non-handle one end in described handle tube, described tube connector the inner press-fits in described spring one end, the described spring other end press-fits in described steel ball, push rod one end connects described steel ball, the described push rod other end connects the secondary part of described trigger, and described trigger is installed in the trigger installation cavity by resilient key; The cavity of described steel ball bottom is described air-channel system, and described air-channel system is communicated with the air-channel system of described round steel cylinder body, and the air-channel system of described round steel cylinder body is communicated with described spool; Described tube connector outer end is fastenedly connected gas-tpe fitting by nut; Described oil filler point is specially screwed hole, the sealing nut described oil filler point that is threaded.
In the said structure of the present invention, because described cylinder body is the round steel cylinder body, it need not to wait complicated technology moulding internal cavity and external structure through forging, and its processing cost is low; Because the non-operative end cross section of described pick rod is circular, it is supported on described circular cylinder interior by drill sleeve, the non-operative end surface of described pick rod contacts with the power transmission facial plane of the direction of motion of described hammer body, and it has saved very heavy cushioned hammer structure, and its weight is little, simple in structure, processing cost is low.
(4) description of drawings
Fig. 1 is a structural representation profile of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the G-G of Fig. 2 is to cutaway view;
Fig. 4 is that the F-F of Fig. 2 is to cutaway view.
(5) specific embodiment
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention includes round steel cylinder body 1, hammer body 2, spool 3, valve seat 4, valve pocket 28, valve gap 29, pick rod 5, hammer body 2 is housed in the cavity of round steel cylinder body 1, spool 3, valve seat 4, valve pocket 28, valve gap 29, round steel cylinder body 1 one ends are equipped with pick rod 5, round steel cylinder body 1 other end is fastenedly connected handle cover 7 by bolt 6, handle tube 8 is through the circumferential end of handle cover 7, handle tube 8 inside are equipped with air-channel system 9, trigger 10 cooperations are installed on handle cover 7, in the handle tube 8 formed trigger installation cavitys 11, the cross section of the non-operative end 12 of pick rod 5 is circular, it is supported on circular cylinder body 1 inside by drill sleeve 13, power transmission face 14 plane contact of the end face of the non-operative end 12 of pick rod 5 and the direction of motion of hammer body 2.
The sidepiece of round steel cylinder body 1 has steam vent 15; Handle cover 7 is opened oil filler point 16 is housed, and oil filler point 16 is communicated with the air-channel system 9 of handle tube 8 inside; Pick rod 5 is anchored on round steel cylinder body 1 one ends by head springs 17; Tube connector 18 is fastenedly connected non-handle one end in handle tube 8, tube connector 18 the inners press-fit in spring 19 1 ends, spring 19 other ends press-fit in steel ball 20, push rod 21 1 ends connect steel ball 20, push rod 21 other ends connect the secondary part of trigger 10, and trigger 10 is installed in the trigger installation cavity 11 by resilient key 22; The cavity of steel ball 20 bottoms is the air-channel system 9 of handle tube 8 inside, and air-channel system 9 is communicated with the air-channel system 23 of round steel cylinder body 1, and the air-channel system 23 of round steel cylinder body 1 is communicated with spool 3; Tube connector 18 outer ends are fastenedly connected gas-tpe fitting 25 by nut 24, and oil filler point 16 is specially screwed hole, sealing nut 26 oil filler point 16 that is threaded, and 27 is packing ring among the figure.
During work, press trigger 10, push rod 21 backs down steel ball 20, steel ball 20 top pressure springs 19, and gases at high pressure are connected air-channel system 9 from gas-tpe fitting 25, by air-channel system 9, air-channel system 23 control spools 3, pick rod 5 actions.
Claims (8)
1. high-power pneumatic pick, it comprises cylinder body, pick rod, in the described cylinder body spool is housed, valve seat, valve pocket, valve gap, hammer body, it is characterized in that: described cylinder body is specially the round steel cylinder body, described pick rod is installed on an end of described round steel cylinder body, the described round steel cylinder body other end connects handle cover by bolted, handle tube is through the circumferential end of described handle cover, described handle tube inside is equipped with air-channel system, described trigger cooperation is installed on described handle cover, in the formed trigger installation cavity of handle tube, the cross section of the non-operative end of described pick rod is circular, it is supported on described circular cylinder interior by drill sleeve, and the non-operative end surface of described pick rod contacts with the power transmission facial plane of the direction of motion of described hammer body.
2. a kind of high-power pneumatic pick according to claim 1, it is characterized in that: the sidepiece of described cylinder body has steam vent.
3. a kind of high-power pneumatic pick according to claim 2 is characterized in that: described handle cover is opened oil filler point is housed, and described oil filler point is communicated with described air-channel system.
4. a kind of high-power pneumatic pick according to claim 3 is characterized in that: described pick rod is anchored on described circular cylinder body one end by spring.
5. a kind of high-power pneumatic pick according to claim 4, it is characterized in that: described tube connector is fastenedly connected non-handle one end in described handle tube, described tube connector the inner press-fits in described spring one end, the described spring other end press-fits in described steel ball, push rod one end connects described steel ball, the described push rod other end connects the secondary part of described trigger, and described trigger is installed in the trigger installation cavity by resilient key.
6. a kind of high-power pneumatic pick according to claim 5 is characterized in that: the cavity of described steel ball bottom is described air-channel system, and described air-channel system is communicated with the air-channel system of described round steel cylinder body, and the air-channel system of described round steel cylinder body is communicated with described spool.
7. a kind of high-power pneumatic pick according to claim 6 is characterized in that: described tube connector outer end is fastenedly connected gas-tpe fitting by nut.
8. a kind of high-power pneumatic pick according to claim 7, it is characterized in that: described oil filler point is specially screwed hole, the sealing nut described oil filler point that is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221791A CN101704238A (en) | 2009-11-10 | 2009-11-10 | High-power air pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221791A CN101704238A (en) | 2009-11-10 | 2009-11-10 | High-power air pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101704238A true CN101704238A (en) | 2010-05-12 |
Family
ID=42374522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910221791A Pending CN101704238A (en) | 2009-11-10 | 2009-11-10 | High-power air pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101704238A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161189A (en) * | 2010-11-04 | 2011-08-24 | 长沙创威机械科技有限公司 | Sliding sleeve type hydraulic pickaxe |
-
2009
- 2009-11-10 CN CN200910221791A patent/CN101704238A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161189A (en) * | 2010-11-04 | 2011-08-24 | 长沙创威机械科技有限公司 | Sliding sleeve type hydraulic pickaxe |
| CN102161189B (en) * | 2010-11-04 | 2012-12-19 | 长沙创威机械科技有限公司 | Sliding sleeve type hydraulic pickaxe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100512 |