CN203547523U - Down-hole hammer for high-air-pressure drilling machine drilling work - Google Patents
Down-hole hammer for high-air-pressure drilling machine drilling work Download PDFInfo
- Publication number
- CN203547523U CN203547523U CN201320675200.8U CN201320675200U CN203547523U CN 203547523 U CN203547523 U CN 203547523U CN 201320675200 U CN201320675200 U CN 201320675200U CN 203547523 U CN203547523 U CN 203547523U
- Authority
- CN
- China
- Prior art keywords
- piston
- hole
- pore
- drill
- outer shell
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 239000011148 porous material Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
A down-hole hammer for high-air-pressure drilling machine drilling work comprises a connector, a non-return valve base, a non-return valve mounted on the non-return valve base, a gas distribution rod, an outer cylinder, a piston, a clamping drill sleeve and a drill bit. One end of the outer cylinder is fixedly connected with the connector, the other end of the outer cylinder is fixedly connected with the clamping drill sleeve, the gas distribution rod is arranged in an inner cavity of the outer cylinder, the non-return valve base is arranged in an inner cavity of the connector and arranged between the connector and the gas distribution rod, the piston is arranged in the inner cavity of the outer cylinder, one end of the gas distribution rod is inserted into the thicker end of a gas hole of the piston, space formed by the thinner end of the gas hole of the piston, the inner wall of the outer cylinder and one end portion of the clamping drill sleeve form a front gas chamber, a rear gas chamber is defined by the gas distribution rod, the inner wall of the outer cylinder and the thicker end of the gas hole of the piston, a front side hole and a rear side hole are further formed in the piston, the front side hole is communicated with the front gas chamber, the rear side hole is communicated with the rear air chamber, and the drill bit is connected into the clamping drill sleeve. The down-hole hammer has the advantages of being simple in structure, long in service life, strong in torque transmission, and reliable in connection, reducing hidden danger of drill bit falling and the like, and is suitable for rock drilling tools used in the fields of geological mining, water and electricity, highways, railways, water wells, oil wells, terrestrial heat and the like.
Description
Technical field
The utility model relates to a kind of down-the-hole air hammer for the operation of high blast drill hole of drilling machine.
Background technology
Along with the develop rapidly of the development of the national economy, in the process that pulls the national economic development for infrastructure, in bore operation, use a kind of fast, efficient, stable, economy, long impactor of life-span becomes problem anxious to be resolved at present.
Old-fashioned down-the-hole air hammer adopts and on the inwall of outer shell, excavates inside groove each several part part is fixed to location, and design has increased the digging groove quantity on the outer inside wall of cylinder undoubtedly like this, makes outer shell the possibility increase of fracture occur because of digging groove.In addition, old-fashioned down-the-hole air hammer generally adopts the mode by inner casing is set in outer shell to carry out distribution.The internal diameter size of the outer shell using because of various down-the-hole air hammers is consistent, increased the diameter that inner casing has reduced piston undoubtedly, also just reduced the quality of piston, and piston is the heart component of whole down-the-hole air hammer, it is a very high part of requirement, piston is larger, and the possibility of piston fracture is less.Further, to be that employing center is logical pass through excellent capitate structure to old-fashioned piston of down-the-hole hammer, and the piston deadly defect of this structure is that in use procedure, easily producing stress concentrates, and the possibility that piston produces fracture strengthens.Below what time always be the main cause that impactor application life is short, service efficiency is low.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art and provides a kind of simple in structure, long service life, and transmitting torque is strong, it is reliable to connect, and reduces the drop down-the-hole air hammer for the operation of high blast drill hole of drilling machine of hidden danger of drill bit.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of down-the-hole air hammer for the operation of high blast drill hole of drilling machine, comprise joint, check valve seat, be arranged on the non retern valve on check valve seat, distribution bar, outer shell, along axis, have the piston that connects pore, card drill sleeve and drill bit, described outer shell one end is fixedly connected with described joint, the other end is fixedly connected with described card drill sleeve, described distribution bar is located in the inner chamber of outer shell, described check valve seat is located in the inner chamber of joint and between joint and distribution bar, described piston is arranged in described outer shell inner chamber, one end of described distribution bar is inserted in one end that piston pore is thicker and this end is provided with the side pore being communicated with distribution bar middle part pore, the thinner one end of described piston pore, air chamber before the space that the end of one end of the outer inside wall of cylinder and card drill sleeve forms forms, described distribution bar, between the end of the outer inside wall of cylinder and the thicker one end of piston pore, form rear gas chamber, on described piston, be also provided with front-side holes and rear side opening with described side pore location matches, described front-side holes is communicated with front air chamber, described rear side opening is communicated with rear gas chamber, described drill bit is connected in card drill sleeve.
In described joint, be provided with the locating slot of answering with distribution pole pair, described distribution bar is arranged in the locating slot of described joint by back-up ring.
In described outer shell, be also provided with the snap ring for fixed drill bit, described snap ring is arranged between the step and card drill sleeve of outer shell.
Described drill bit directly contacts with described piston.
Described drill bit and described card drill sleeve adopt spline joint.
Owing to adopting such scheme, adopt joint endoporus back-up ring location, reduced outer shell grooving quantity, cancelled traditional inner casing gas distribution structure, structure is simpler, assembles more convenient, the outer shell life-span is lengthened, and the possibility of fracture reduces, and has strengthened the quality of piston, make down-the-hole air hammer impact energy larger, efficiency is higher, has solved the often problem of fracture of piston, employing snap ring connects, drill bit is not fallen down when work makes, adopt spline joint, effectively transmitting torque.
In sum, the utlity model has simple in structure, long service life, transmitting torque is strong, it is reliable to connect, and reduces the drill bit advantages such as hidden danger that drop, the rock drill that the fields such as applicable and ore deposit, ground, water power, highway, railway, well, oil well, underground heat are used.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In accompanying drawing 1,1---joint, 2---non retern valve, 3---non retern valve spring, 4---check valve seat, 5---distribution bar, 6---hole back-up ring, 7---outer shell, 8---piston, 9---snap ring O type circle, 10---snap ring, 11---card drill sleeve, 12---drill bit, 13---rear gas chamber, 14---piston front-side holes, 15---side opening after piston, 16---front air chamber.
The specific embodiment
Below in conjunction with accompanying drawing, further describe the specific embodiment of this patent.
With reference to Fig. 1, a kind of down-the-hole air hammer for the operation of high blast drill hole of drilling machine, comprise the joint 1 that has joint pore, be pressed with the non retern valve 2 of rubber, inside has pore and entirety is the thin distribution bar 5 in thick one end, T word shape one end, along axis, have the outer shell 7 of the hollow cavity of perforation, along axis, have the piston 8 that connects pore, card drill sleeve 11, drill bit 12, described outer shell 7 one end are fixedly connected with described joint 1, the other end is fixedly connected with described card drill sleeve 11, described distribution bar 5 is located in the inner chamber of outer shell 7, described check valve seat 4 is located in the inner chamber of joint 1 and between joint and distribution bar, described piston 8 is arranged in described outer shell 7 inner chambers, thinner one end of described distribution bar 5 is inserted in piston 8 thicker one end of pore, the space that the end of one end of piston 8 thinner one end of pore and outer shell 7 inwalls and card drill sleeve 11 reserves forms front air chamber 16, between the thin part of the T word shape structure of distribution bar 5 and the end of outer shell 7 inwalls and piston 8 thicker one end of pore, institute's spacing forms rear gas chamber 13, on described piston 8, be also provided with front-side holes 14 and rear side opening 15, described front-side holes 14 is communicated with front air chamber 16, described rear side opening 15 is communicated with rear gas chamber 13, described drill bit 12 is connected in card drill sleeve 11.
Above-mentioned down-the-hole air hammer, is provided with the locating slot corresponding with distribution bar 5 in described joint 1, and described hole is arranged in the inwall locating slot of joint 1 end contact thicker with distribution bar 5 one end with back-up ring.
Above-mentioned down-the-hole air hammer, in the space that thinner one end of pore of described piston 8 and outer shell 10 inwalls form and one end is connected to card drill sleeve 11, and the space that the end of one end of piston 8 thinner one end of pore and outer shell 7 inwalls, drill bit 12 afterbodys, card drill sleeve 11 reserves forms front air chamber 16.
Above-mentioned down-the-hole air hammer, is also provided with the snap ring 10 for fixed drill bit 12 in described outer shell 7, described snap ring 10 is arranged between the step and card drill sleeve 11 of outer shell 7, and described snap ring 10 is arranged on outer shell 7 inwalls by the sealing of snap ring O type circle.
Above-mentioned down-the-hole air hammer, described drill bit 12 directly contacts with described piston 8.
Above-mentioned down-the-hole air hammer, described drill bit 12 adopts spline joint with described card drill sleeve 11.
Operating principle of the present utility model is as follows:
Gases at high pressure enter along joint 1 joint pore, push non retern valve 2 open, successively by the pore of check valve seat 4, the pore of distribution bar 5, now the side pore of distribution bar 5 lower ends and the front-side holes 14 of piston 8 are communicated with, gases at high pressure enter front air chamber 16 by the inside groove of outer shell 10 again, in the interior expansion of front air chamber 16, promoting piston 8 moves upward, the side pore of distribution bar 5 lower ends and the front-side holes 14 of piston 8, the inside groove of outer shell 7 and piston 8 seal gradually, when piston 8 and drill bit 12 come off while coordinating, the gas of front air chamber 16 is discharged impactor by drill bit 12 centre bores, participate in deslagging, piston 8 is because inertia continues to move upward, rear gas chamber's 13 gases are compressed, when side opening 15 after the side pore of distribution bar 5 lower ends and piston 8 is communicated with, gases at high pressure enter rear gas chamber's 13 expansion promotion pistons 8 and move downward, when the rear side opening 15 that moves to piston 8 when piston 8 is communicated with distribution bar 5 lower end pores, rear gas chamber's 13 gases are discharged impactor by the front-side holes 14 of piston from drill bit 12 centre bores, participate in deslagging, when piston 8 moves to bottom drill hammer 12, the side pore of distribution bar 5 lower ends is communicated with the front-side holes 14 of piston 8, thereby piston is motion repeatedly as mentioned above, impactor is normally worked.
Claims (5)
1. the down-the-hole air hammer for the operation of high blast drill hole of drilling machine, comprise joint, check valve seat, be arranged on the non retern valve on check valve seat, distribution bar, outer shell, along axis, have the piston that connects pore, card drill sleeve and drill bit, described outer shell one end is fixedly connected with described joint, the other end is fixedly connected with described card drill sleeve, described distribution bar is located in the inner chamber of outer shell, described check valve seat is located in the inner chamber of joint and between joint and distribution bar, described piston is arranged in described outer shell inner chamber, one end of described distribution bar is inserted in one end that piston pore is thicker and this end is provided with the side pore being communicated with distribution bar middle part pore, it is characterized in that, the thinner one end of described piston pore, air chamber before the space that the end of one end of the outer inside wall of cylinder and card drill sleeve forms forms, described distribution bar, between the end of the outer inside wall of cylinder and the thicker one end of piston pore, form rear gas chamber, on described piston, be also provided with front-side holes and rear side opening with described side pore location matches, described front-side holes is communicated with front air chamber, described rear side opening is communicated with rear gas chamber, described drill bit is connected in card drill sleeve.
2. the down-the-hole air hammer for the operation of high blast drill hole of drilling machine according to claim 1, is characterized in that, is provided with the locating slot of answering with distribution pole pair in described joint, and described distribution bar is arranged in the locating slot of described joint by back-up ring.
3. the down-the-hole air hammer for the operation of high blast drill hole of drilling machine according to claim 1, is characterized in that, is also provided with the snap ring for fixed drill bit in described outer shell, and described snap ring is arranged between the step and card drill sleeve of outer shell.
4. the down-the-hole air hammer for the operation of high blast drill hole of drilling machine according to claim 1, is characterized in that, described drill bit directly contacts with described piston.
5. the down-the-hole air hammer for the operation of high blast drill hole of drilling machine according to claim 1, is characterized in that, described drill bit and described card drill sleeve adopt spline joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675200.8U CN203547523U (en) | 2013-10-29 | 2013-10-29 | Down-hole hammer for high-air-pressure drilling machine drilling work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675200.8U CN203547523U (en) | 2013-10-29 | 2013-10-29 | Down-hole hammer for high-air-pressure drilling machine drilling work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547523U true CN203547523U (en) | 2014-04-16 |
Family
ID=50465652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320675200.8U Expired - Lifetime CN203547523U (en) | 2013-10-29 | 2013-10-29 | Down-hole hammer for high-air-pressure drilling machine drilling work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547523U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265154A (en) * | 2014-09-19 | 2015-01-07 | 宜昌市五环钻机具有限责任公司 | Novel down-the-hole impactor |
| CN105804657A (en) * | 2016-05-16 | 2016-07-27 | 山东天瑞重工有限公司 | High-air-pressure down-the-hole drill bit with sealing structure |
| CN106285457A (en) * | 2016-11-01 | 2017-01-04 | 山东中瑞工程机械有限公司 | The air quantity of down-the-hole air hammer is automatically adjusted distributor |
| CN106948752A (en) * | 2017-04-10 | 2017-07-14 | 宜昌市五环钻机具有限责任公司 | Joint and assembly method after down-the-hole air hammer is anti-stifled |
| CN109184551A (en) * | 2018-11-21 | 2019-01-11 | 长沙黑金刚实业有限公司 | impactor |
-
2013
- 2013-10-29 CN CN201320675200.8U patent/CN203547523U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265154A (en) * | 2014-09-19 | 2015-01-07 | 宜昌市五环钻机具有限责任公司 | Novel down-the-hole impactor |
| CN105804657A (en) * | 2016-05-16 | 2016-07-27 | 山东天瑞重工有限公司 | High-air-pressure down-the-hole drill bit with sealing structure |
| CN106285457A (en) * | 2016-11-01 | 2017-01-04 | 山东中瑞工程机械有限公司 | The air quantity of down-the-hole air hammer is automatically adjusted distributor |
| CN106948752A (en) * | 2017-04-10 | 2017-07-14 | 宜昌市五环钻机具有限责任公司 | Joint and assembly method after down-the-hole air hammer is anti-stifled |
| CN109184551A (en) * | 2018-11-21 | 2019-01-11 | 长沙黑金刚实业有限公司 | impactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203547523U (en) | Down-hole hammer for high-air-pressure drilling machine drilling work | |
| CN102080525B (en) | High-pressure gas injection hole-drilling pressure-releasing outburst prevention method | |
| CN202673138U (en) | Piston guide sleeve type valveless double-cylinder down-hole hammer | |
| CN201301664Y (en) | Down-the-hole hammer | |
| CN101915085B (en) | Low-air-permeability coal-bed gas extraction method | |
| CN201273137Y (en) | Novel downhole air hammer | |
| CN204851057U (en) | Hyperbar is soon towards down --hole churn drilling tools | |
| CN201934016U (en) | Down-the-hole hammer | |
| CN105156025B (en) | A kind of hyperbar rushes down-hole percussion drill tool soon | |
| CN103174379A (en) | Cyclone high wind pressure down-hole hammer with tail pipe | |
| CN203321313U (en) | Down-hole hammer | |
| CN203547522U (en) | Down-hole hammer | |
| CN203603758U (en) | High-frequency impactor | |
| CN111395950A (en) | Pneumatic down-the-hole impact hammer | |
| CN201087695Y (en) | High wind pressure downhole air hammer | |
| CN106401460A (en) | Impact-frequency-adjustable high-wind-pressure deep hole impacter | |
| CN204371095U (en) | A kind of efficient down-hole hammer | |
| CN105156024B (en) | One kind rushes wear-resistant high life down-the-hole churn drilling tools soon | |
| CN103277043A (en) | Efficient medium-low-pressure down-hole hammer | |
| CN109296311A (en) | A kind of high pressure gas down-the-hole air hammer | |
| CN203499552U (en) | High-wind-pressure impactor | |
| CN203603755U (en) | Guide impactor for high wind pressure drilling operation | |
| CN207278184U (en) | Down-the-hole air hammer piston | |
| CN203114165U (en) | Cyclone band tail pipe high wind pressure down-hole hammer | |
| CN203374202U (en) | High-pressure underwater down-hole hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |