CN2734972Y - Valved high pressure pneumatic down-hole hammer - Google Patents
Valved high pressure pneumatic down-hole hammer Download PDFInfo
- Publication number
- CN2734972Y CN2734972Y CN 200420091972 CN200420091972U CN2734972Y CN 2734972 Y CN2734972 Y CN 2734972Y CN 200420091972 CN200420091972 CN 200420091972 CN 200420091972 U CN200420091972 U CN 200420091972U CN 2734972 Y CN2734972 Y CN 2734972Y
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- valve
- piston
- endoporus
- outer tube
- garden
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- 238000009826 distribution Methods 0.000 claims abstract description 51
- 239000003292 glue Substances 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 4
- 210000000038 chest Anatomy 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 230000004323 axial length Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a valved high pressure pneumatic down-hole hammer, by which a blast hole, a cable hole, and a draught hole can be punched in the field of engineering construction. The utility model overcomes the disadvantages of the valved low pressure down-hole hammer and the non-valved high pressure pneumatic down-hole hammer. An added rubber valve plays the role of a back valve and avoids the defect of the complicated structure of the back valve. A gas distribution base interworks with the back head directly, and the valve is sheathed on the gas distribution base directly. Thus the structure is simplified, and the performance is improved. When the piston conduct a reciprocating motion, a guide bushing with an optimum path for exhausting the compressed gas provides an optimum steam reservoir between the backward position and the stroke position, and provides a most reasonable gas distribution volume for the front air chamber. Thus the force energy of impact of the piston is transferred to the bit by the guide bushing to realize the efficient rock-breaking effect. The utility model has the advantages that the technical scheme is scientific and reasonable, the configuration is simple and practical, the running of the equipment is stable, the maintenance work is convenient, and the effect is ideal. Under the situation that the industries of the metal mine, traffic, railway, hydroelectricity, manufacture of building materials are developed widely, the utility model is certain to have strong vitality and development ability.
Description
One, technical field:
The utility model relates to a kind of pneumatic machinery equipment, and specifically a kind of pneumatic hole impinger can be widely used in metal mine, traffic, engineering construction fields such as railway, water power, building materials.The constructing operation such as shot hole, pipe cable hole, gravity vent of giving a farfetched interpretation.
Two, background technology:
Go up widely used down-the-hole air hammer at present both at home and abroad two major types are arranged.The first kind is that valve low pressure down-the-hole air hammer is arranged, it has two kinds of forms: a kind of is that exhaust form in valve center is arranged, another kind is the form that the exhaust of valve side is arranged, this valve is plate-like type or dish shape type, leave and the backhaul of piston motion commutate by valve block fully, can cause wind energy consumption big, and a lot of energy waste, and impact energy is little, and speed is slow, the life-span is low, customer using cost is high.
Second type is a valveless high pressure down-the-hole air hammer, its distribution principle is to reach distribution by piston up-down fully, because the volume of chamber sealing behind the piston, piston can not continue lifting in limited travel, this has just influenced the traveled distance of piston, it is quite difficult overcoming this point, and such shortcoming is that piercing efficiency is relatively low, and the energy can not make full use of.
Three, summary of the invention:
The purpose of this utility model provides a kind of valve high-pressure pneumatic down-the-hole air hammer that has.This down-the-hole air hammer can overcome that the invisible waste that valve low pressure impactor is arranged is big, the life-span is low, piercing efficiency is low, center exhaust and side exhaust pipe road are long, crooked, basal area is suddenly big or suddenly small, bigger, the inefficient all disadvantages of exhaust resistance, it is long to overcome valveless high pressure down-the-hole air hammer structure stroke simultaneously, and traveled distance is short, the shortcoming that impact energy is low.
For solving above-mentioned task, the solution that the utility model adopted is: valve high-pressure pneumatic down-the-hole air hammer is arranged mainly by valve, front connector, back joint, and glue valve, distribution seat, cylinder, fairlead, bore bit, bit shank pipe, retaining ring, snap ring is formed; One end of back joint and drilling rod thread connection, the other end of back joint and outer tube thread connection, on the joint of back, socket glue valve, opposite side at the glue valve, valve is installed, be shaped as T shape, be sleeved on the distribution seat, distribution seat and back joint, valve, outer tube, cylinder cooperates, cylinder is a concentric cylindrical structure, its upper end endoporus and distribution seat cooperate, the outer garden of its lower end endoporus and piston small end cooperates, cooperate in outer garden and the outer tube, the outer likeness in form one wooden club shape entity of piston, major part is downward, the big end of piston has axial matrix arc groove and outer garden intermediate surface to have ring-like arc groove to join, form effective air feed chamber, outer garden of piston small end and cylinder bore match, big end external diameter of piston and outer tube endoporus match, the distribution bar of piston small end centre bore and distribution seat matches, big end centre bore of piston and bore bit, the bit shank pipe matches, and the outer tube two ends adopt multiple thread to connect front connector, back joint, two snap ring grooves are arranged in the outer tube, two snap rings are installed, and fairlead is a concentric column molded cannula, and outer garden of fairlead and outer tube cooperate, the bit shank of fairlead endoporus and bore bit cooperates, when fairlead is piston reciprocates, between backward position and stroke position, provide a best air storage chamber, have the best Compressed Gas passage of discharging.
Owing to adopted above-mentioned technical solution, the utlity model has characteristics such as technical scheme is scientific and reasonable, simple structure is practical, equipment operates steadily, regular maintenance makes things convenient for, result of use ideal.Under the situation of industries such as metal mine, traffic, railway, water power, building materials great development, necessarily have great vitality and huge delayed effect of development.
Four, description of drawings:
Below in conjunction with accompanying drawing the utility model is described in further detail:
Accompanying drawing is an example structure schematic diagram of the present utility model;
Indicate in the accompanying drawing: back joint 1, glue valve 2, valve 3, distribution seat 4, cylinder 5, snap ring 6, piston 7, outer tube 8, bit shank pipe 9, fairlead 10, retaining ring 11, front connector 12, bore bit 13.
Five, the specific embodiment:
In conjunction with the accompanying drawings, valve high-pressure pneumatic down-the-hole air hammer is arranged mainly by valve 3, front connector 12, back joint 1, glue valve 2, distribution seat 4, cylinder 5, fairlead 10, bore bit 13, bit shank pipe 9, retaining ring 11, snap ring 6 is formed; One end of back joint 1 and drilling rod thread connection, there is the plank mouth centre, the other end of back joint 1 and outer tube 8 thread connection, the end face of back joint 1 has three stepped holes at least.There is gravity vent at the end center, gases at high pressure from centre bore by an end that connects outer tube 8 after joint one side periphery inclined hole enter in the impactor, effect one: the connection of rig and impactor, effect two: gases at high pressure enter in the impactor via this part, effect three: reach a dischargeable capacity when making impactor start commutation, play a supporting role for distribution seat 4, reach effective energy acting.At back joint 1 one ends, socket one glue valve 2, the shape of glue valve 2 is upward thick, following big, the following little gum covers that approach, go up; At the opposite side of glue valve 2, dress valve 3 is shaped as T shape, is sleeved on the distribution seat 4, and the stepped hole of the small end Wai Yuan of valve 3 and back joint 1 end face matches, and there is a groove in the outer garden of valve 3 small ends, and the small end endoporus has big chamfering, and endoporus has a groove; Distribution seat 4 is cross structures, little outside cylinder in distribution seat 4 upper ends and back joint 1, valve 3 cooperate, outer garden of distribution seat 4 ends broad in the middle and outer tube 8 endoporus cooperate, hold for middle time outer garden and cylinder 5 endoporus to cooperate, lower end distribution bar and piston 7 small end endoporus cooperate, and a steam vent is arranged in the middle of the distribution seat 4, periphery has axial pore, the upper end has intersection aperture, distribution seat of the present utility model to be different from the low distribution seat that is pressed with valve arrangement, also is different from the distribution seat of high pressure valveless; Cylinder 5 is concentric cylindrical structures, and its upper end endoporus and distribution seat 4 cooperate, and the outer garden of its lower end endoporus and piston 3 small ends cooperates, and outer garden and outer tube 8 endoporus cooperate, and the endoporus that is different from other impacting with high pressure device has the matrix air drain, and cylindrical has the matrix air discharge duct; The profile of piston 7 is as a wooden club shape entity, major part is downward, the big end of piston 7 has axial matrix arc groove and outer garden intermediate surface that the ring-like arc groove effective air feed of the formation chamber that joins is arranged, outer garden of piston 7 small ends and cylinder 5 endoporus match, piston 7 big end external diameters and outer tube 8 endoporus match, the distribution bar of piston 7 small end centre bores and distribution seat 4 matches, and piston 7 big end centre bores and bore bit 13, bit shank pipe 9 match; Outer tube 8 two ends adopt multiple thread to connect front connector 12, back joint 1, and two snap ring grooves are arranged in the outer tube 8, install between two snap ring 6, two snap rings 6 grooves and have the thorax hole; Fairlead 10 is concentric column molded cannula, fairlead 10 outer gardens and outer tube 8 cooperate, the bit shank of fairlead 10 endoporus and bore bit 13 cooperates, fairlead 10 is that piston 7 is when reciprocating, a best air storage chamber is provided between backward position and stroke position, has the best Compressed Gas passage of discharging, fairlead 10 has a garden ring-shaped step at least on the garden outside, in the middle of its outer garden matrix circumferential groove is arranged, endoporus one end has stepped hole;
Piston 7 moves up and down, and by self finishing the distribution some, another part is by the opening and closing of valve 3, giving increases inlet period in the cylinder, quickened piston motion, and the pressure of the back chamber of Compressed Gas is changed, its energy is fully done work, accomplish 100% the Compressed Gas that utilizes.The active area maximum of piston 7, stroke time minimum, stroke distances is the longest.Piston 7 is provided with the air drain that communicates with preceding air chamber.Bore bit 13 afterbodys are inserted with the function that a bit shank pipe 9 reaches anterior air inlet and exhaust, and bore bit 13 is lifted in the front connector 12 by retaining ring 11, the distribution volume of air chamber before the optimal design of fairlead 10 provides the most reasonably when stroke and backhaul.
This impactor axial length is the shortest, just length overall is the shortest, because the effect back joint different from the past completely of back joint 1, centre bore be not clear opening but and the oblique side opening of circumference of an end communicate, when gases at high pressure stop to the impactor air feed, be drawn onto in the impactor for preventing that liquid, mud and foul from returning, make impactor not work.Load onto a glue valve 2 and can play the non retern valve effect, realize neither perishablely, shortened axial length again, the part that reaches usefulness is few, the purpose of reliable operation.The inventive point of this glue valve 2 is: the complex structure of general non retern valve, part is many, just can finish its function more than the part for the rarest three, spring, the top, easy to wear, fatiguability damages, and axial length is longer, distribution seat 4 direct and back joints 1 cooperate in addition, valve 3 directly is sleeved on the distribution seat 4, saved the valve seat of impactor in the past, valve gap, guide pipe, the valve circumferential lengths shortens, simple in structure, part is few, and valve 3 operating principles and character are different from the valve of existing other type of producing fully, and its invention advantage is that action is relatively sensitiveer, air inlet and exhaust are accurate, reliable operation, bulk strength is higher, and this valve has low friction yarn number, and airtight quality is good, makes valve 3 higher on bulk life time.Distribution seat 4 effect mainly is distribution, and its structure and effect are different from original distribution seat, have the acting in conjunction that guide pipe, valve gap rise, like this, just makes designs simplification, is convenient to processing and manufacturing.Novel impactor fairlead 10 provides the distribution value an of the best when the piston slap bore bit and during the piston return, make the energy of piston impact power pass to bore bit, reaches fractured rock effect effectively.
Of the present utility model have the whole assembling of valve high-pressure pneumatic down-the-hole air hammer to adopt rigidity contact and connection, axial and part is assembled together securely, eliminate mutual wearing and tearing and increased reliability, need not to assemble spring, packing ring and cushion rubber, need not to add adjusting pad, accurate processing has guaranteed the quality of assembling, has simplified the maintenance and the maintenance of impactor.
Operating principle of the present utility model is: when impactor is worked, impactor is withstood on the rock, and pressure is the high pressure gas of 0.5-2.45MPa, enters back joint 1, open glue valve 2 high pressure gas by centre bore and side steam vent and enter upper chamber, by the gap between cylinder 5 and the outer tube 8, the gap between piston 7 and the outer tube 8, the cavity of resorption of arrival piston 7, the backhaul of piston 7 begins, close preceding air inlet when piston 7 rises to a certain degree, by gas expansion for doing work, piston 7 continues to rise.After piston 7 front ends and 9 disengagements of bit shank pipe, the gas of cup is at the bottom of bit shank pipe 9 centre bores and bore bit 13 centre bores drain into the hole, the gas of back cavity is because the microcephaly's endoporus and the distribution bar of piston 7 are airtight when piston 7 is done the return motion, its pressure is raise gradually, opening valve 3 rises valve, piston 7 no longer rises after rising to certain altitude, and piston 7 has been finished the return task.
The 7 stroke stages of piston: piston 7 begins to do stroke movement after having finished return, high pressure gas enters the last cavity gas chamber of piston 7 by opened valve 3, the gas of chamber also is compressed behind the big in addition end piston, these two strands of Compressed Gas promote piston 7 simultaneously and travel forward, when moving to certain distance, valve 3 is closed, and gas stops to enter rear gas chamber, a part continues to promote piston 7 by high pressure gas and travels forward, and a part expands by its gas and continues to push ahead.When the distribution bar of the centre bore of piston 7 and distribution seat 4 was thrown off, the pressure of rear gas chamber was at the bottom of piston 7 centre bores, bit shank pipe 9 centre bores, bore bit 13 centre bores drain into the hole.The gas of preceding air chamber continues to drain into hole bottom blowing slag through the centre bore of bit shank pipe 9 centre bores, bore bit 13.When the front end endoporus of piston 7 contacts with bit shank pipe 9, the exhaust process of air chamber before closing.Preceding air chamber gas begins compression, when the thorax hole step of the cannelure of piston 7 and outer tube 8 is opened simultaneously, and the air inlet of air chamber before high pressure gas is connected, piston 7 moves on, and until clashing into bit shank 13, finishes the impact task, makes piston 7 actings, reaches the purpose of fractured rock.
Certainly, allly only depend on conversion the utility model mechanical structure form and reach the various conversion of the present utility model purpose, all should drop within the protection domain of the present utility model.
Claims (9)
1, a kind of have a valve high-pressure pneumatic down-the-hole air hammer, mainly by valve, front connector, back joint, and glue valve, distribution seat, cylinder, fairlead, bore bit, bit shank pipe, retaining ring, snap ring is formed; It is characterized in that: an end and the drilling rod thread connection of back joint, the other end of back joint and outer tube thread connection, on the joint of back, socket glue valve, opposite side at the glue valve, valve is installed, be shaped as T shape, be sleeved on the distribution seat, distribution seat and back joint, valve, outer tube, cylinder cooperates, cylinder is a concentric cylindrical structure, its upper end endoporus and matching seat cooperate, the outer garden of its lower end endoporus and piston small end cooperates, outer garden and outer tube internal diameter cooperate, the outer likeness in form one wooden club shape entity of piston, major part is downward, the big end of piston has axial matrix arc groove and outer garden intermediate surface to have ring-like arc groove to join, and outer garden of piston small end and cylinder bore match, and big end external diameter of piston and outer tube endoporus match, the distribution bar of piston small end centre bore and distribution seat matches, big end centre bore of piston and bore bit bit shank pipe match, and the outer tube two ends adopt multiple thread to connect front connector, back joint has two snap ring grooves in the outer tube, two snap rings are installed, fairlead is a concentric column molded cannula, and outer garden of fairlead and outer tube cooperate, and the bit shank of fairlead endoporus and bore bit cooperates.
2, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: described valve [3] is installed in the opposite side of glue valve [2], it is a T-valve, be sleeved on the distribution seat [4], the stepped hole of the small end Wai Yuan of valve [3] and back joint [1] end face matches, there is a groove in the outer garden of valve [3] small end, and the small end endoporus has big chamfering, and endoporus has a groove.
3, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1 is characterized in that: described glue valve [2], be socketed on the back joint [1], and glue valve [2] is upward thick, following big, the following little gum cover that approaches, goes up.
4, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: described outer tube [8] two ends adopt multiple thread to connect front connector [12], back joint [1], two snap ring grooves are arranged in the outer tube [8], two snap rings [6] are installed, are had the thorax hole between two snap rings [6] groove.
5, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: described fairlead [10] is a concentric column molded cannula, outer garden of fairlead [10] and outer tube [8] cooperate, the bit shank of fairlead [10] endoporus and bore bit [13] cooperates, fairlead [10] has a garden ring-shaped step at least on the garden outside, in the middle of its outer garden matrix circumferential groove is arranged, endoporus one end has stepped hole.
6, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: described cylinder [5] is a concentric cylindrical structure, its upper end endoporus and distribution seat [4] cooperate, and the outer garden of its lower end endoporus and piston [3] small end cooperates, and outer garden and outer tube [8] endoporus cooperates.
7, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: described distribution seat [4] is a cross structure, distribution seat [4] the little outside cylinder in upper end and back joint [1], valve [3] cooperate, outer garden of distribution seat [4] end broad in the middle and outer tube [8] endoporus cooperate, hold for middle time Wai Yuan and a cylinder [5] endoporus to cooperate, lower end distribution bar and a piston [7] small end endoporus cooperate, and a steam vent is arranged in the middle of the distribution seat [4], periphery has axial pore, and there is the intersection aperture upper end.
8, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: an end and the drilling rod thread connection of described back joint [1], there is the plank mouth centre, the other end of back joint [1] and outer tube [8] thread connection, there is gravity vent at other end center, and the end face of back joint [1] has three stepped holes at least.
9, a kind of valve high-pressure pneumatic down-the-hole air hammer that has according to claim 1, it is characterized in that: the profile of described piston [7] is as a wooden club shape entity, major part is downward, the big end of piston [7] has axial matrix arc groove and outer garden intermediate surface that ring-like arc groove is arranged, outer garden of piston [7] small end and cylinder [5] endoporus match, piston [7] holds external diameter and outer tube [8] endoporus to match greatly, the distribution bar of piston [7] small end centre bore and distribution seat [4] matches, and piston [7] holds centre bore and bore bit [13] bit shank pipe [9] to match greatly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420091972 CN2734972Y (en) | 2004-10-19 | 2004-10-19 | Valved high pressure pneumatic down-hole hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420091972 CN2734972Y (en) | 2004-10-19 | 2004-10-19 | Valved high pressure pneumatic down-hole hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2734972Y true CN2734972Y (en) | 2005-10-19 |
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ID=35264848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420091972 Expired - Fee Related CN2734972Y (en) | 2004-10-19 | 2004-10-19 | Valved high pressure pneumatic down-hole hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2734972Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174378A (en) * | 2013-03-12 | 2013-06-26 | 宜昌市五环钻机具有限责任公司 | Middle-low air pressure down-hole hammer |
| CN112482754A (en) * | 2019-09-12 | 2021-03-12 | 广东博智林机器人有限公司 | Slag removal module of building material processing device and building material processing device with slag removal module |
-
2004
- 2004-10-19 CN CN 200420091972 patent/CN2734972Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174378A (en) * | 2013-03-12 | 2013-06-26 | 宜昌市五环钻机具有限责任公司 | Middle-low air pressure down-hole hammer |
| CN112482754A (en) * | 2019-09-12 | 2021-03-12 | 广东博智林机器人有限公司 | Slag removal module of building material processing device and building material processing device with slag removal module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051019 Termination date: 20091119 |