CN202483433U - High-wind-pressure impacter - Google Patents

High-wind-pressure impacter Download PDF

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Publication number
CN202483433U
CN202483433U CN2012201077628U CN201220107762U CN202483433U CN 202483433 U CN202483433 U CN 202483433U CN 2012201077628 U CN2012201077628 U CN 2012201077628U CN 201220107762 U CN201220107762 U CN 201220107762U CN 202483433 U CN202483433 U CN 202483433U
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CN
China
Prior art keywords
piston
hole
distribution bar
wind
tube
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.)
Withdrawn - After Issue
Application number
CN2012201077628U
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Chinese (zh)
Inventor
董全文
葛东辉
李淑梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUANHUA SUPERMAN DTH MACHINERY CO Ltd
Original Assignee
XUANHUA SUPERMAN DTH MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XUANHUA SUPERMAN DTH MACHINERY CO Ltd filed Critical XUANHUA SUPERMAN DTH MACHINERY CO Ltd
Priority to CN2012201077628U priority Critical patent/CN202483433U/en
Application granted granted Critical
Publication of CN202483433U publication Critical patent/CN202483433U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a high-wind-pressure impacter, and relates to the technical field of impact tools driven by fluid pressure. The high-wind-pressure impacter comprises a front joint, a rear joint, an outer bushing, a check valve, a guide sleeve, a drill bit, a supporting seat and an air distribution rod. The key improvement is that the high-wind-pressure impacter also comprises a piston, wherein the piston has a hollow tubular structure; two inclined holes which are respectively communicated with a rear air chamber and a front air chamber and penetrate through the side wall are symmetrically formed on the side wall of the piston; first annular grooves are formed on parts of the hole wall of an inner hole of the piston, which pass through the two inclined holes; and the right end of the air distribution rod is matched with the inner hole of the piston in a sealing sliding manner. The high-wind-pressure impacter has the advantages that an effective working area can be enlarged by changing the structure of the piston, so that the impact force is greatly enhanced, the compressed air utilization rate is increased, the working efficiency is improved, and the application range is expanded.

Description

High-wind pressure impactor
Technical field
The utility model relates to the percussion tool technical field of fluid pressure actuated.
Background technology
Present employed wind pressure impactor is for there being valve twin-tub type, and its outer tube and cylinder form interior outer shell, and valve actuating mechanism has valve block, sends into the compressed air of impactor through drilling rod and alternately delivers to piston front and back air chamber respectively through the valve block displacement; Make reciprocating motion of the pistons impact bore bit, impact energy is imposed on rock, there are some disadvantages in this type of impactor; The one, because complex structure, the parts that need do mutual motion are many, and air consumption is big, and energy consumption is high; Inefficiency, the 2nd, valve block acts frequently, and damages easily; Thereby the fault of causing, the 3rd, the scope of application is little, can only under low blast scope, use; For overcoming the above problems, low blast down-the-hole air hammer in a kind of valveless single cylinder type appears in the market, and it comprises outer tube, bore bit, front connector, back joint, non retern valve and distribution bar and valve seat; Can effectively reduce air consumption and energy consumption, prolong impactor application life, but its in application process since positioning sleeve, valve seat and distribution bar be connected through hanging to sell; Less stable; Distribution bar and valve seat are short application life, and simultaneously because its piston adopts axial air flue to carry out distribution, and the front and back gas chamber volume is less; Low blast operation in can only being applicable to, efficient is lower.
The utility model content
The technical problem that the utility model will solve provides a kind of high-wind pressure impactor, through the change to piston structure, increases the effective work area of piston, improves impact force greatly, improves the compressed air utilization rate, increases work efficiency enlarging application range.
The design concept of the utility model is achieved in that through the transformation to existing wind pressure impactor; Cancel the distribution scheme of former interior distribution cylinder and distribution bar and piston, piston and outer tube; Adopt the direct and piston distribution of distribution bar, the distribution bar is communicated with preceding air chamber and rear gas chamber through the angling hole that is provided with on the piston, axial notch and the annular groove on the outer sleeve inner wall on the piston outer wall, increases the effective work area of piston; Enlarging application range improves target efficiency.
For solving the problems of the technologies described above; The technical scheme that the utility model is taked is: a kind of high-wind pressure impactor; Comprise front connector, back joint, outer tube, one way valve, fairlead, bore bit, supporting base and distribution bar; Its key improvements is: also comprise piston; Said piston is a hollow tubular structure, is arranged with twice are communicated with and connect sidewall respectively with rear gas chamber and preceding air chamber angling hole on its sidewall, is equipped with first annular groove in the place of passing through mutually with said twice angling hole on the hole wall of piston inner hole; Distribution bar right-hand member and said piston inner hole sealed sliding are movingly.
Said piston outer wall is provided with two groups of grooves identical with the piston axis direction and one group of second annular groove; Said second annular groove connects with said wherein opening angling hole left; Said two prescriptions are not connected to the groove identical with the piston axis direction, and every group of groove comprises three grooves of evenly arranging around piston axis at least.
Said supporting base fixing seal is located at outer tube and is connected joint one end inside, back, and said distribution bar passes supporting base middle part through hole setting and left end is provided with radial flange; The hollow structure that said distribution bar is the left end opening and its are provided with flange one end and said one way valve intercommunication, and said distribution bar bottom is evenly equipped with at least three radial direction through hole around its axis.
Said back joint is threaded with said outer tube left end, and said front connector is threaded with said outer tube right-hand member.
Said piston right-hand member and said fairlead endoporus sealed sliding are movingly.
The beneficial effect of the utility model is following: because the utility model is through the transformation to existing wind pressure impactor; Cancel the distribution scheme of former interior distribution cylinder and distribution bar and piston, piston and outer tube, adopt the direct and piston distribution of distribution bar, the distribution bar is communicated with respectively at preceding air chamber and rear gas chamber through the angling hole that is provided with on the piston; Increase the effective work area of piston; Improve impact force, enlarging application range is increased work efficiency; On the one hand, the bore bit afterbody of the utility model bit shank pipe useless is not participated in distribution work, has improved bore bit afterbody intensity in addition, improves service life of the bits; The utility model is also through changing the fit structure of distribution bar and supporting base, prolongation impactor application life.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the left-half of the utility model structural representation;
Fig. 2 is the right half part of the utility model structural representation;
Fig. 3 is a distribution bar structural representation;
Fig. 4 is that the A-A of Fig. 3 is to view;
Fig. 5 is the piston structure sketch map;
Fig. 6 is that the B-B of Fig. 5 is to view;
Fig. 7 is that the C-C of Fig. 5 is to view;
Fig. 8 is the bore bit structural representation;
Fig. 9 is the outer sleeve structure sketch map;
In the accompanying drawings: 1, back joint; 2, one way valve; 3, distribution bar; 4, piston; 5, fairlead; 6, card pricker ring; 7, front connector; 8, bore bit; 9, supporting base; 10, outer tube; 11, radial direction through hole; 12, angling hole; 13, first annular groove.
The specific embodiment
In sum; It is as depicted in figs. 1 and 2 that the utility model discloses a kind of high-wind pressure impactor; Comprise front connector 7, back joint 1, outer tube 10 (referring to Fig. 9), card pricker ring 6, one way valve 2, fairlead 5 and bore bit 8 (referring to Fig. 8); It is characterized in that: also comprise supporting base 9, distribution bar 3 (referring to Fig. 3 and Fig. 4) and piston 4 (referring to Fig. 5, Fig. 6 and Fig. 7); Said supporting base 9 fixing seals are located at outer tube 10 and are connected joint 1 one ends inside, back, and said distribution bar 3 passes supporting base 9 middle part through hole settings and left end is provided with radial flange; Said distribution bar 3 is provided with flange one end and 2 intercommunications of said one way valve for the hollow structure of left end opening and its, and said distribution bar 3 bottoms are evenly equipped with at least three radial direction through hole 11 around its axis; Said piston 4 between supporting base 9 and fairlead 5 and with outer tube 10 sealed sliding movingly; Piston 4 is divided into rear gas chamber and preceding air chamber with outer tube 10 inwalls; Piston 4 is a hollow tubular structure; Be arranged with twice on its sidewall and be communicated with and connect the angling hole 12 of sidewall respectively with rear gas chamber and preceding air chamber, be equipped with first annular groove 13 in the place of passing through mutually with said angling hole 12 on the hole wall of piston 4 endoporus; Distribution bar 3 right-hand members and said piston 4 endoporus sealed sliding increase the effective work area of piston movingly, increase work efficiency enlarging application range.
Said piston 4 outer walls are provided with two groups of grooves identical with piston 4 axis directions and one group of second annular groove; Said second annular groove connects with said wherein opening angling hole 12 left; Said two prescriptions are not to being connected with the identical groove of piston 4 axis directions, and every group of groove comprises three grooves of evenly arranging around piston 4 axis at least.
Said back joint 1 is threaded with said outer tube 10 left ends, and said front connector 7 is threaded with said outer tube 10 right-hand members.
Said piston 4 right-hand members and said fairlead 5 endoporus sealed sliding are movingly.
In concrete application process, compressed air gets in the mesopore of back joint 1, and compressed air is opened one way valve 2 back entering and is contained in distribution bar 3 inside on the supporting base 9; Through distribution bar 3 radially the radial direction through hole 11 of right-hand member get into pistons 4 inside; Opening through being provided with on the piston 4 gets into the second annular gas booking groove of outer tube inside towards the angling hole 12 on the right side, and then gets into preceding air chamber, and preceding air chamber forms confined space by piston, outer tube and fairlead; Along with increasing of air pressure; Piston promotes down rapid movement left at pressure-air, and when the first corresponding annular groove of the angling hole of piston motion to opening towards a left side was communicated with distribution bar right-hand member radial direction through hole, compressed air process opening was towards the angling hole entering rear gas chamber on a left side; Along with increasing of rear gas chamber's internal gas pressure; Compressed air promotes piston and moves right, and the air in the motion process in the preceding air chamber of Piston Compression blows out through fairlead endoporus and bore bit mider hole, plays the effect in hole clearly.
Because the utility model reduced the distribution link, making calms the anger flows more smooth and easyly, has reduced the loss of calming the anger, and simplifies the structure, and has improved ballistic work, and use cost is low; On the one hand, the bore bit afterbody of the utility model bit shank pipe useless is not participated in distribution work, has improved bore bit afterbody intensity in addition, improves service life of the bits.The high-wind pressure impactor that the utility model disclosed is applicable to blast between the 0.7-2.1 MPa, the bore operation of bore diameter between the 50-280 millimeter.

Claims (5)

1. high-wind pressure impactor; Comprise front connector (7), back joint (1), outer tube (10), one way valve (2), fairlead (5), bore bit (8), supporting base (9) and distribution bar (3); It is characterized in that: also comprise piston (4); Said piston (4) is a hollow tubular structure; Be arranged with twice on its sidewall and be communicated with and connect the angling hole (12) of sidewall respectively with rear gas chamber and preceding air chamber, be equipped with first annular groove (13) in the place of passing through mutually with said twice angling hole (12) on the hole wall of piston (4) endoporus; Distribution bar (3) right-hand member and said piston (4) endoporus sealed sliding are movingly.
2. high-wind pressure impactor according to claim 1; It is characterized in that: said piston (4) outer wall is provided with two groups of groove and one group second annular grooves identical with piston (4) axis direction; Said second annular groove connects with said wherein opening angling hole (12) left; Said two prescriptions are not to being connected with the identical groove of piston (4) axis direction, and every group of groove comprises three grooves of evenly arranging around piston (4) axis at least.
3. high-wind pressure impactor according to claim 1 and 2; It is characterized in that: said supporting base (9) fixing seal is located at outer tube (10) and is connected joint (1) one end inside, back, and said distribution bar (3) passes supporting base (9) middle part through hole setting and left end is provided with radial flange; Said distribution bar (3) is provided with flange one end and said one way valve (2) intercommunication for the hollow structure of left end opening and its, and said distribution bar (3) bottom is evenly equipped with at least three radial direction through hole (11) around its axis.
4. high-wind pressure impactor according to claim 3 is characterized in that: said back joint (1) is threaded with said outer tube (10) left end, and said front connector (7) is threaded with said outer tube (10) right-hand member.
5. high-wind pressure impactor according to claim 4 is characterized in that: said piston (4) right-hand member and said fairlead (5) endoporus sealed sliding are movingly.
CN2012201077628U 2012-03-21 2012-03-21 High-wind-pressure impacter Withdrawn - After Issue CN202483433U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201077628U CN202483433U (en) 2012-03-21 2012-03-21 High-wind-pressure impacter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201077628U CN202483433U (en) 2012-03-21 2012-03-21 High-wind-pressure impacter

Publications (1)

Publication Number Publication Date
CN202483433U true CN202483433U (en) 2012-10-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201077628U Withdrawn - After Issue CN202483433U (en) 2012-03-21 2012-03-21 High-wind-pressure impacter

Country Status (1)

Country Link
CN (1) CN202483433U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587824A (en) * 2012-03-21 2012-07-18 宣化苏普曼钻潜机械有限公司 High-wind-pressure impactor
CN103979226A (en) * 2014-05-22 2014-08-13 濮阳市亚利机械制造有限公司 Novel warehouse wall vibrating air hammer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587824A (en) * 2012-03-21 2012-07-18 宣化苏普曼钻潜机械有限公司 High-wind-pressure impactor
CN102587824B (en) * 2012-03-21 2015-02-04 宣化苏普曼钻潜机械有限公司 High-wind-pressure impactor
CN103979226A (en) * 2014-05-22 2014-08-13 濮阳市亚利机械制造有限公司 Novel warehouse wall vibrating air hammer
CN103979226B (en) * 2014-05-22 2016-09-21 濮阳市亚利机械制造有限公司 A kind of novel bunker wall vibration pneumatic hammer

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C14 Grant of patent or utility model
GR01 Patent grant
RGAV Abandon patent right to avoid regrant
AV01 Patent right actively abandoned

Granted publication date: 20121010

Effective date of abandoning: 20150204