CN201006602Y

CN201006602Y - Bidirectional impacting pneumatic power impacter

Info

Publication number: CN201006602Y
Application number: CNU2007200104947U
Authority: CN
Inventors: 王济美; 罗延良; 谭毅然
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-07
Filing date: 2007-02-07
Publication date: 2008-01-16
Anticipated expiration: 2017-02-07

Abstract

The utility model relates to an aerated machine driven by compressed air, in particular to an aerated impact which can bidirectional impact, for resolving the time and power wastes of drawer or the like. The aerated impact is composed of a handle, a cylinder, a hammer, a machine head, a sleeve, an impact rod and a solder device, wherein one end of the impact rod is fixed with the solder device, the impact rod is sheathed with the hammer in reciprocal motion along the impact rod, the hammer is sliding engaged with the cylinder arranged at outer side. At the outer side of the solder device, the front end of the cylinder is arranged with the sleeve and the machine head. The impact rod and the solder device are sliding engaged with a chamber composed of the cylinder, the sleeve, and the machine head. The impact rod and the solder device can move preset distance along the axis of the cylinder, to change the hammer direction on the impact rod instantly, and impact device changes forward impact into backward impact. The aerated impact of the utility model can avoid solder clamp, as aerated pick, aerated breaker, furnace cleaning aerated impact device or the like.

Description

But a kind of air hammer of double direction impulse

Technical field

It is the pneumatic machinery of power that the utility model belongs to compressed air, but is specially a kind of air hammer of double direction impulse.

Background technology

Current domestic and international various air hammers, for example product such as G10 type gas pick, the pneumatic disintegrating machine of B87C type all is to impact to a direction, by drilling tool breaker crop.In case drilling tool gos deep into working substance clamped after, attack by innuendo with other implements, firmly drawing just can continue broken work after drilling tool pulled out again, pulling out drilling tool wastes time and energy.

The utility model content

But the purpose of this utility model is to provide a kind of air hammer of double direction impulse, solves can only impacting to a direction that air hammer exists in the prior art, pulls out drilling tool problem such as waste time and energy.

The technical solution of the utility model is:

But a kind of air hammer of double direction impulse, this impactor comprises impact bar, cylinder, hammer body, drilling tool, guide pin bushing, impact bar one end is fixedlyed connected with drilling tool, being set with on the impact bar can be along its reciprocating hammer body, the cylinder of hammer body and its arranged outside is and is slidingly matched, in the drilling tool outside, be provided with guide pin bushing in the cylinder front end.

But the air hammer of described double direction impulse, the guide pin bushing front end is equipped with head, and the chamber that impact bar, drilling tool and cylinder, guide pin bushing, head are formed is and is slidingly matched.

But the air hammer of described double direction impulse, air chamber and rear gas chamber before the hammer body both sides of cylinder inside are respectively, cylinder has air admission hole, air inlet annular groove, have air inlet duct, back air admission hole, air inlet duct, preceding air admission hole in the hammer body, air admission hole, air inlet annular groove communicate with preceding air chamber by air inlet duct, preceding air admission hole, and air admission hole, air inlet annular groove communicate with rear gas chamber by air inlet duct, back air admission hole.

But the air hammer of described double direction impulse has front-seat pore, final vacuum hole on the cylinder, front-seat pore communicates with preceding air chamber, and the final vacuum hole communicates with rear gas chamber.

But the air hammer of described double direction impulse, the cylinder other end is equipped with the handle body.

The beneficial effects of the utility model are:

1, impact bar of the present utility model can be in cylinder and guide pin bushing moves predetermined distance (can manual or pneumatic realization) along cylinder-bore axis together with drilling tool, thereby changes the direction of hammer body impact bar, and impactor is impacted by impacting forward to become backward at an easy rate.Therefore, but the utility model air hammer double direction impulse when drilling tool is clamped by working substance, can extract easily, time saving and energy saving.

2, impact bar of the present utility model is fixedlyed connected with drilling tool, and tup sheath can move back and forth with cylinder and impact bar on its face of cylinder.

3, air admission hole, air inlet annular groove, front-seat pore, final vacuum hole are arranged on the utility model cylinder, air chamber or rear gas chamber before compressed air enters respectively by air admission hole, air inlet annular groove.Compressed air is by the air inlet duct of hammer body, when the back air admission hole can enter rear gas chamber, and the driving hammer body impacts forward; Compressed air during air chamber, drives hammer body and impacts backward before can enter by the air inlet duct of hammer body, preceding air admission hole; Thereby, can realize hammer body axially reciprocating in cylinder.

4, impactor of the present utility model can be used for the air hammer that work needs to prevent to press from both sides drilling tool, as gas pick, pneumatic spade, pneumatic disintegrating machine, incrustation-removing machine, kiln cleaning air hammer etc.

Description of drawings

Fig. 1 is the utility model air hammer impact conditions schematic diagram forward.

Fig. 2 impacts the operation principle schematic diagram forward for the utility model air hammer.

Fig. 3 is the utility model air hammer impact conditions schematic diagram backward.

Fig. 4 impacts the operation principle schematic diagram backward for the utility model air hammer.

Among the figure, 1 impact bar; 2 cylinders; 3 hammer bodies; Air chamber before 4; 5 front-seat pores; 6 air inlet annular grooves; 7 air inlet ducts; 8 back air admission holes; 9 rear gas chamber; 10 final vacuum holes; 11 air admission holes; 12 air inlet ducts; Air admission hole before 13; 14 handle bodies; 15 heads; 16 drilling tools; 17 guide pin bushings; The A shock surface; The B shock surface.

The specific embodiment

As Fig. 1, shown in Figure 3, but the air hammer of the utility model double direction impulse is made up of parts such as impact bar 1, cylinder 2, hammer body 3, handle body 14, head 15, drilling tool 16, guide pin bushings 17.Impact bar 1 one ends are fixedlyed connected (as being threaded etc.) with drilling tool 16, be set with hammer body 3 on the impact bar 1, the cylinder 2 of hammer body 3 and its arranged outside is and is slidingly matched, in drilling tool 16 outsides, be disposed with guide pin bushing 17 and head 15 in cylinder 2 front ends, impact bar 1 can slide in the chamber that cylinder 2, guide pin bushing 17, head 15 3 parts are formed with drilling tool 16, and then can change the impact direction of impactor; Cylinder 2 other ends are equipped with handle body 14.Hammer body 3 centers are porose, but are enclosed within axially reciprocating on the impact bar 1.Air admission hole 11, air inlet annular groove 6, front-seat pore 5, final vacuum hole 10 are arranged on the cylinder 2, but hammer body 3 is axially reciprocating within it, air inlet duct 7, back air admission hole 8, air inlet duct 12, preceding air admission hole 13 are arranged in the hammer body 3, with corresponding air admission hole 11 and the forward and backward

steam vent

5,10 on the cylinder 2, form the impactor of no distributing valve formula.Fig. 1 is impact conditions forward; Fig. 3 is impact conditions backward.

During the breaker crop, impactor impacts forward, need only the post-tensioning impactor when running into the folder drilling tool, nipped drilling tool 16 is together with impact bar 1 and cylinder 2 and a bit of distance of guide pin bushing 17 relative slips, hammer body 3 changes impact direction immediately, change into immediately backward and impacting, can pull out drilling tool 3～4 seconds under the impact stress effect.

The utility model impacts the operation principle schematic diagram forward as shown in Figure 2, Fig. 2 Lower Half is hammer body 3 backstrokes: compressed air enters air inlet annular groove 6 on the cylinder bore by the air admission hole on the cylinder 2 11, enters the preceding air chamber 4 of cylinder by the air inlet duct on the hammer body 12, preceding air admission hole 13.Under compressed-air actuated effect, hammer body 3 accelerated motion backward.Waste gas in the rear gas chamber 9 enters atmosphere by final vacuum hole 10.After hammer body 3 was blocked final vacuum hole 10, the gas of rear gas chamber 9 was compressed the resistance of generation to hammer body 3, and hammer body 3 finally stops at Fig. 2 first half state.

Fig. 2 first half is hammer body 3 impact strokes: the air inlet duct 7 of the air inlet annular groove 6 of compressed air from the cylinder 2 on hammer body 3, the rear gas chamber 9 that back air admission hole 8 enters cylinder 2 promote hammer body 3 and quicken to travel forward.The waste gas of cylinder 2, preceding air chamber 4 steam vent 5 is in the past discharged.Hammer body 3 bumps against with it when moving forward to faying face (shock surface A) with impact bar 1 and drilling tool, and impact energy is passed to drilling tool 16, and drilling tool 16 will carry out fragmentation to the working substance that is broken.At this moment, the state that hammer body 3 is in Fig. 2 Lower Half again begins backstroke, so is concatenated to form the continuous percussion action of hammer body, until working substance is smashed.

If the drilling tool thing that deeply is broken is clamped in the work, only need impactor is pulled back (manual or pneumatic) one section preset distance this moment, hammer body becomes automatically backward and impacts, and can easily extract drilling tool for 3～4 seconds.

The utility model impacts the operation principle schematic diagram backward as shown in Figure 4, Fig. 4 Lower Half is hammer body 3 impact strokes: air admission hole 11 and air inlet annular groove 6 the air inlet duct 12 through hammer body 3 on of compressed air from the cylinder 2, preceding air admission hole 13 enters the preceding air chamber 4 of cylinder 2, promote hammer body 3 and quicken motion backward, waste gas in the rear gas chamber 9 on the cylinder 2 enters atmosphere from final vacuum hole 10, hammer body 3 when impact stroke finishes and the shock surface B of impact bar 1 bump against, impact energy is passed to impact bar 1 and drilling tool 16, this moment, hammer body was in Fig. 4 first half state, the backstroke of beginning hammer body 3.

Fig. 4 first half is hammer body 3 backstrokes: compressed air from air inlet annular groove 6 through the air inlet duct on the hammer body 37, after air admission hole 8 enter rear gas chamber 9, promote hammer body 3 accelerated motion forward.The waste gas of preceding air chamber 4 steam vent 5 in the past enters atmosphere, and after hammer body 3 was blocked front-seat pore 5, gases were compressed in the preceding air chamber 4, and hammer body 3 is subjected to resistance, and hammer body 3 finally stops at position shown in Fig. 4 Lower Half, begins impact stroke again.Circulation forms continuous percussion action backward so repeatedly.

The utility model can be used for easy nipped pneumatic tool of drilling tool or pneumatic mechanism in the work.As gas pick, pneumatic spade, pneumatic disintegrating machine, incrustation-removing machine, kiln cleaning air hammer etc.

Claims

1. but the air hammer of a double direction impulse, it is characterized in that: this impactor comprises impact bar (1), cylinder (2), hammer body (3), drilling tool (16), guide pin bushing (17), impact bar (1) one end is fixedlyed connected with drilling tool (16), being set with on the impact bar (1) can be along its reciprocating hammer body (3), the cylinder (2) of hammer body (3) and its arranged outside is and is slidingly matched, in drilling tool (16) outside, be provided with guide pin bushing (17) in cylinder (2) front end.

2. but according to the air hammer of the described double direction impulse of claim 1, it is characterized in that: guide pin bushing (17) front end is equipped with head (15), and the chamber that impact bar (1), drilling tool (16) and cylinder (2), guide pin bushing (17), head (15) are formed is and is slidingly matched.

3. but according to the air hammer of the described double direction impulse of claim 1, it is characterized in that: inboard hammer body (3) both sides of cylinder (2) are respectively preceding air chamber (4) and rear gas chamber (9), cylinder (2) has air admission hole (11), air inlet annular groove (6), have air inlet duct (7) in the hammer body (3), back air admission hole (8), air inlet duct (12), preceding air admission hole (13), air admission hole (11), air inlet annular groove (6) is by air inlet duct (12), preceding air admission hole (13) communicates air admission hole (11) with preceding air chamber (4), air inlet annular groove (6) is by air inlet duct (7), back air admission hole (8) communicates with rear gas chamber (9).

4. but according to the air hammer of the described double direction impulse of claim 3, it is characterized in that: have front-seat pore (5), final vacuum hole (10) on the cylinder (2), front-seat pore (5) communicates with preceding air chamber (4), and final vacuum hole (10) communicate with rear gas chamber (9).

5. but according to the air hammer of the described double direction impulse of claim 1, it is characterized in that: cylinder (2) other end is equipped with handle body (14).