CN101949260B - Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer - Google Patents
Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer Download PDFInfo
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- CN101949260B CN101949260B CN 201010233099 CN201010233099A CN101949260B CN 101949260 B CN101949260 B CN 101949260B CN 201010233099 CN201010233099 CN 201010233099 CN 201010233099 A CN201010233099 A CN 201010233099A CN 101949260 B CN101949260 B CN 101949260B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 230000000979 retarding effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention aims to provide an auxiliary hammer mechanism of a percussive hammer capable of releasing after storing energy and an energy-storage type percussive hammer according to the existing situation, which has the characteristic of releasing immediately stored energy, can effectively convert power provided by a power mechanism into impact force and has high energy conversion efficiency. In order to achieve the effect, the auxiliary hammer mechanism of the invention comprises a shell and a power mechanism arranged inside the shell, wherein the power mechanism is connected with a crank block structure by a retarding mechanism, the crank block structure drives a piston, the piston acts on the auxiliary hammer which acts on a hammer head mechanism, the auxiliary hammer is arranged in a guidance section and is arranged between the piston and the hammer head mechanism, and a energy storage structure is arranged in the auxiliary hammer. Because the technical scheme is adopted, the auxiliary hammer corresponding to the piston is provided with the energy storage structure, so that the percussive hammer concentrates the energy output process of a driving link; under the condition that the power of a prime motor is not changed, instantaneous impact force is improved to a large extent so as to obtain the best breaking effect.
Description
Technical field
The present invention relates to a kind of jump bit, relate in particular to the auxilliary hammer mechanism and the energy storage type jump bit of the jump bit that discharges after a kind of energy storage.
Background technology
In the jump bit, especially the impact electric hammer of electric tools class is a kind of broken comparatively flexibly instrument, has characteristics in light weight, flexible operation.In the existing jump bit product, piston, cylinder body, auxilliary capitate have become an air chamber, and rotatablely moving of prime mover passes to slider-crank mechanism behind reductor, drive reciprocating motion of the pistons, forms the variation of gas chamber volume size.Because volume-variation changes the pressure in the air chamber, thereby the auxilliary hammer of the drive air chamber other end produces motion.Pressure when piston advances forward in the air chamber has the trend of increase, auxilliary hammer also travels forward thereupon, pressure when piston moves backward in the air chamber has the trend that reduces, auxilliary hammer is also motion backward thereupon, promptly auxilliary hammer is being followed piston motion, and the motion that is referred to as auxilliary hammer is a kind of Follow-up motion with respect to piston.This Follow-up motion plays auxiliary function of impacting in existing electric hammer, when on cement board, holing, its objective is that the impact with the little energy of high frequency cooperates rotatablely moving of carbide drill, realize work such as boring, and the effect of impact grinding is not clearly.
In the crushing operation of reality, often need a kind of broken more efficiently instrument, with respect to jump bit, should strengthen its percussion better, the energy of mechanism be gathered, and discharge in moment, reach under the situation that does not strengthen input power, make the impact grinding ability realize maximization.Analyzing the reason that existing jump bit can not reach this effect, mainly is to be that the motor pattern of its auxilliary hammer in the prior art is a kind of motion of Follow-up, and the release time of its impact energy is long, the effect that noenergy is gathered.
Summary of the invention
The objective of the invention is according to existing situation, the auxilliary hammer mechanism and the energy storage type jump bit of the jump bit that discharges after a kind of energy storage are provided, characteristic with abrupt release after the energy storage, the power that can effectively actuating unit be provided is converted into impact force, the energy transformation ratio height, features such as it is strong to have impact capacity, easy to use.
For reaching described effect, a kind of energy storage type jump bit, comprise shell and setting actuating unit in the enclosure, actuating unit is by reducing gear connecting crank slide block structure, the crank block structure drives piston, and piston action is in auxilliary hammer, and auxilliary hammer acts on tup mechanism, auxilliary hammer be provided with in the guide section and be in piston and tup mechanism between, be provided with energy storing structure in the auxilliary hammer.
Preferably, described energy storing structure comprises being arranged on to be positioned on the auxilliary hammer assists the striker hole of hammering position of center line into shape, and striker is equipped with striker in the hole, between striker bottom and the auxilliary hammer spring is housed.
Preferably, striker is spacing with baffle plate, and baffle plate is hammered into shape in assisting by screw.By such structure, striker is limited in the striker hole by activity.
Preferably, described energy storing structure also comprises the ball hole that is provided with perpendicular to the striker hole, the full ball of the interior row of ball hole, and the striker middle part has the cannelure with the ball coupling, and corresponding ball hole position also has the cannelure that mates with ball on the inwall of shell.
The present invention also comprises the auxilliary hammer mechanism of the jump bit that discharges after a kind of energy storage, is provided with energy storing structure in the auxilliary hammer.
Preferably, described energy storing structure comprises being arranged on to be positioned on the auxilliary hammer assists the striker hole of hammering position of center line into shape, and striker is equipped with striker in the hole, between striker bottom and the auxilliary hammer spring is housed.
Preferably, striker is spacing with baffle plate, and baffle plate is hammered into shape in assisting by screw.By such structure, striker is limited in the striker hole by activity.
Preferably, described energy storing structure also comprises the ball hole that is provided with perpendicular to the striker hole, the full ball of the interior row of ball hole, and the striker middle part has the cannelure with the ball coupling, and corresponding ball hole position also has the cannelure that mates with ball on the inwall of shell.In the energy storage stage, striker leans against on the plate washer under spring action, and the ball in the ball hole is in the state of ejecting, and is stuck in the cannelure on the outer casing inner wall, and auxilliary hammer location is motionless.To assist air between hammer and the piston when being compressed to a certain degree when piston, piston is depressed striker.When striker was pressed onto the end, cannelure and ball on the striker aligned, and the ball on the inwall cannelure that is stuck in shell is moved inward, and auxilliary hammer is released, and the auxilliary hammer of this air push of compressing in a flash impacts forward.Auxilliary like this hammer just in the back abrupt release of energy savings, has changed original Follow-up motion mode, has improved impact force greatly.
Preferably, the degree of depth of cannelure is less than the ball radius.Matching slot can block ball when such structure guaranteed energy storage, and can break away from cannelure smoothly at the assault phase ball.
Preferably, described tup mechanism is replaceable structure, and described actuating unit is a gasoline engine.
Owing to adopted described technical scheme, the auxilliary hammer mechanism of the jump bit that discharges after a kind of energy storage and energy storage type jump bit have been installed energy storing structure on the auxilliary hammer of piston correspondence, make that jump bit can be more concentrated with the process that the energy of driving link is exported, under the situation of the power that does not change prime mover, improve the impact force of moment greatly, thereby reached best crushing effect.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the overall appearance schematic diagram of the jump bit that discharges after a kind of energy storage of the present invention.
Fig. 2.Overall structure sectional view for the jump bit that discharges after a kind of energy storage of the present invention.
Fig. 3 is the structural representation of the auxilliary hammer mechanism of the jump bit that discharges after a kind of energy storage of the present invention.
The specific embodiment
As shown in Figure 1 and Figure 2, the jump bit that discharges after a kind of energy storage, comprise shell 1 and be arranged on actuating unit 2 in the shell 1, actuating unit 2 is by reducing gear 3 connecting crank slide block structures 4, and crank block structure 4 drives pistons 5, piston 5 acts on tup mechanism 6, be provided with auxilliary hammer 7 between piston 5 and the tup mechanism 6, auxilliary hammer 7 is arranged on the guide section of shell 1, and the rear portion of guide section is provided with pore, be provided with energy storing structure 8 in the auxilliary hammer 7, form the air chamber of sealing between piston 5 and the auxilliary hammer 7.
As shown in Figure 3, the auxilliary hammer structure of the jump bit that discharges after a kind of energy storage.Energy storing structure 8 comprises being arranged on to be positioned on the auxilliary hammer 7 assists the striker hole 71 of hammering 7 position of center line into shape, and striker 72 is housed in the striker hole 71, between striker 72 bottoms and the auxilliary hammer 7 spring 73 is housed.Striker 72 is limited in the striker hole 71 by baffle plate 74, and baffle plate 74 is hammered into shape on 7 in auxilliary by screw.Described energy storing structure also comprises the ball hole 75 that is provided with perpendicular to striker hole 71, the full ball of coaxial row in the ball hole 75, and striker 72 middle parts have the cannelure 76 with the ball coupling, and corresponding ball hole 75 positions also have the cannelure 76 that mates with ball on the shell 1.
When adopting energy storage type jump bit of the present invention to work, in the initial energy storage stage, striker 72 is leaning against under the effect of spring 73 on the plate washer 74, ball in the ball hole 75 is in the state of ejecting, because the degree of depth of cannelure 76 is the ball radius, be inlaid in the cannelure 76 on the outer casing inner wall less than the part ball of radius, auxilliary hammer 7 location are motionless.Move by driving slider-crank mechanism 4 after slowing down when the power section rotation, when drive piston 5 moved forward, the air between auxilliary hammer 7 and the piston 5 was compressed.During the air compression, the kinetic energy of piston 5 is converted into the potential energy of gas, has therefore realized the purpose of energy storage.
To assist air between hammer 7 and the piston 5 when being compressed to a certain degree when piston 5, piston 5 is depressed striker 72.When striker 72 was pressed onto the end, cannelure on the striker 72 76 aligned with ball, and the ball on the inwall cannelure 76 that is stuck in shell is moved inward, and auxilliary hammer 7 is released, this in a flash, the auxilliary hammer 7 of the air push of compression impacts forward, and strikes in the tup mechanism 6.Auxilliary like this hammer 7 just in the back abrupt release of energy savings, has changed original Follow-up motion mode, has improved impact force greatly, the impact grinding ability of the jump bit of raising.
It is also noted that wherein the present invention carries out return by draught head, below auxilliary hammer 7, be furnished with two groups of pores respectively, from auxilliary hammer 7 spilehole is set more nearby, gross blow hole is set at a distance from auxilliary hammer 7, utilizes the difference generation pressure differential of inner air vent air inflow in short-term, auxiliary auxilliary hammer 7 returns.
In addition, described tup mechanism 6 is replaceable structure, can change according to field condition, further facilitates use.Described actuating unit 2 is a gasoline engine, the gasoline engine powerful, and applicability is wide.
The above only is specific embodiments of the invention, but architectural feature of the present invention is not limited thereto, and any those skilled in the art is in the field of the invention, and the variation of being done or modify all is encompassed among the claim of the present invention.
Claims (4)
1. energy storage type jump bit, comprise shell (1) and be arranged on the interior actuating unit (2) of shell (1), actuating unit (2) is by reducing gear (3) connecting crank slide block structure (4), crank block structure (4) drives piston (5), piston (5) acts on auxilliary hammer (7), auxilliary hammer (7) acts on tup mechanism (6), it is characterized in that: auxilliary hammer (7) is arranged in the guide section between piston (5) and the tup mechanism (6), be provided with energy storing structure (8) in the auxilliary hammer (7), described energy storing structure (8) comprises being arranged on to be positioned on the auxilliary hammer (7) assists the striker hole (71) of hammering (7) position of center line into shape, striker (72) is housed in the striker hole (71), between striker (72) bottom and the auxilliary hammer (7) spring (73) is housed, striker (72) is spacing by baffle plate (74), baffle plate (74) is hammered into shape on (7) in auxilliary by screw, described energy storing structure (8) also comprises the ball hole (75) that is provided with perpendicular to striker hole (71), the full ball of coaxial row in the ball hole (75), striker (72) middle part has the cannelure (76) with the ball coupling, and shell (1) is gone up corresponding ball hole (75) position and also had the cannelure (76) that mates with ball.
2. a kind of energy storage type jump bit as claimed in claim 1 is characterized in that: described tup mechanism (6) is replaceable structure, and described actuating unit (2) is a gasoline engine.
3. auxilliary hammer mechanism that is used for the jump bit that discharges after the energy storage of the described energy storage type jump bit of claim 1, it is characterized in that: be provided with energy storing structure in the auxilliary hammer (7), described energy storing structure comprises being arranged on to be positioned on the auxilliary hammer (7) assists the striker hole (71) of hammering (7) position of center line into shape, striker (72) is housed in the striker hole (71), between striker (72) bottom and the auxilliary hammer (7) spring (73) is housed, striker (72) is spacing by baffle plate (74), baffle plate (74) is hammered into shape on (7) in auxilliary by screw, described energy storing structure (8) also comprises the ball hole (75) that is provided with perpendicular to striker hole (71), the full ball of coaxial row in the ball hole (75), striker (72) middle part has the cannelure (76) with the ball coupling, and shell (1) is gone up corresponding ball hole (75) position and also had the cannelure (76) that mates with ball.
4. the auxilliary hammer mechanism of the jump bit that discharges after the energy storage as claimed in claim 3 is characterized in that: the degree of depth of cannelure (76) is less than the ball radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010233099 CN101949260B (en) | 2010-07-22 | 2010-07-22 | Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010233099 CN101949260B (en) | 2010-07-22 | 2010-07-22 | Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer |
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| Publication Number | Publication Date |
|---|---|
| CN101949260A CN101949260A (en) | 2011-01-19 |
| CN101949260B true CN101949260B (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010233099 Expired - Fee Related CN101949260B (en) | 2010-07-22 | 2010-07-22 | Auxiliary hammer mechanism of percussive hammer capable of releasing after storing energy and energy-storage type percussive hammer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011075765A1 (en) * | 2011-05-12 | 2012-11-15 | Hilti Aktiengesellschaft | Hand tool |
| CN109403856B (en) * | 2018-11-06 | 2024-03-15 | 能诚集团有限公司 | Underground hammer type punching device |
| CN112976424B (en) * | 2021-04-02 | 2022-06-28 | 宁波顺兴开浩精工机械有限公司 | Matched die hammering device of matched die machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU715314A1 (en) * | 1977-05-03 | 1980-02-15 | Shirokov Ivan L | Percussive-action machine |
| CN87207985U (en) * | 1987-05-12 | 1987-12-30 | 唐山工程技术学院 | Pneumatic down-hole impact drilling tool |
| CN87100447A (en) * | 1987-01-22 | 1988-08-03 | 英格索尔-兰德公司 | The improvement of down-the-hole drill |
| CN1693034A (en) * | 2004-05-07 | 2005-11-09 | 罗伯特·博世有限公司 | Hand machine tool with a hammer mechanism |
| CN101310088A (en) * | 2005-11-16 | 2008-11-19 | Tracto技术有限公司 | Hammer drilling device with a pneumatic reversing gear |
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| CN201460718U (en) * | 2009-06-04 | 2010-05-12 | 宜昌市五环钻机具有限责任公司 | Valveless single-cylinder type middle-low air pressure downhole impactor |
| CN201495985U (en) * | 2009-06-23 | 2010-06-02 | 石成仁 | Mechanical down-the-hole impacter |
| CN201786247U (en) * | 2010-07-22 | 2011-04-06 | 浙江师范大学 | Auxiliary hammer mechanism of impact hammer for releasing energy after energy storage and energy-storing type impact hammer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006000252A1 (en) * | 2006-05-30 | 2007-12-06 | Hilti Ag | Hand tool with slip clutch |
-
2010
- 2010-07-22 CN CN 201010233099 patent/CN101949260B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU715314A1 (en) * | 1977-05-03 | 1980-02-15 | Shirokov Ivan L | Percussive-action machine |
| CN87100447A (en) * | 1987-01-22 | 1988-08-03 | 英格索尔-兰德公司 | The improvement of down-the-hole drill |
| CN87207985U (en) * | 1987-05-12 | 1987-12-30 | 唐山工程技术学院 | Pneumatic down-hole impact drilling tool |
| CN1693034A (en) * | 2004-05-07 | 2005-11-09 | 罗伯特·博世有限公司 | Hand machine tool with a hammer mechanism |
| CN101310088A (en) * | 2005-11-16 | 2008-11-19 | Tracto技术有限公司 | Hammer drilling device with a pneumatic reversing gear |
| CN101563191A (en) * | 2006-12-20 | 2009-10-21 | 罗伯特·博世有限公司 | Striking mechanism for a handheld power tool |
| CN201460718U (en) * | 2009-06-04 | 2010-05-12 | 宜昌市五环钻机具有限责任公司 | Valveless single-cylinder type middle-low air pressure downhole impactor |
| CN201495985U (en) * | 2009-06-23 | 2010-06-02 | 石成仁 | Mechanical down-the-hole impacter |
| CN201786247U (en) * | 2010-07-22 | 2011-04-06 | 浙江师范大学 | Auxiliary hammer mechanism of impact hammer for releasing energy after energy storage and energy-storing type impact hammer |
Non-Patent Citations (1)
| Title |
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| 贺志刚等.上击器的震击动载荷计算.《石油机械》.1999,(第08期), * |
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