CN101264598A - Impacting pickaxe - Google Patents
Impacting pickaxe Download PDFInfo
- Publication number
- CN101264598A CN101264598A CNA2008103013900A CN200810301390A CN101264598A CN 101264598 A CN101264598 A CN 101264598A CN A2008103013900 A CNA2008103013900 A CN A2008103013900A CN 200810301390 A CN200810301390 A CN 200810301390A CN 101264598 A CN101264598 A CN 101264598A
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- pickaxe
- impact
- pick
- hammer
- billy club
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Abstract
The invention discloses an impact pickaxe with a power unit, belonging to the technical field of power tools, which is characterized in that the lower part of the impact pickaxe is sleeved with a pickaxe cylinder through a pin and a slotted hole, a vibration damping spring is arranged between the pickaxe and the pickaxe cylinder, a pickaxe hammer is arranged in the pickaxe cylinder, the hammer handle of the pickaxe hammer is connected with the output shaft of a reducing device through a keyway and a steel ball arranged in the keyway, an impact spring is connected between the pickaxe hammer and the pickaxe cylinder through a thrust bearing, the hammer head of the pickaxe hammer is shelled with an impact sleeve which is fixed in the pickaxe cylinder, a ball race which can enable the pickaxe to do reciprocating movement is arranged between the impact sleeve and the hammer head of the pickaxe hammer, a steel ball is arranged in the ball race, and the top of the pickaxe bar passes the impact sleeve and is arranged on the bottom of the pickaxe hammer. The impact pickaxe with the power unit has the advantages of reducing the recoil vibration of the impact pickaxe, improving the operation comfort, extending the service life of machine members, lowering manufacturing and maintenance costs, and reducing energy consumption; the impact pickaxe is mainly used in the crushing of concrete, rock, asphalt, and the tamping of rail ballast.
Description
Technical field
The present invention relates to the power tool technical field, especially a kind of by internal combustion engine or electric motor driven impacting pickaxe.
Background technology
A kind of known oil-engine driven impacting pickaxe is arranged at present, its primary structure principle is: the output shaft of internal combustion engine is connected with a gear reduction, gear reduction changes reciprocating motion by crankshaft connecting rod system into rotatablely moving, one end of connecting rod connects bent axle, the other end passes through piston pin, the impact piston that displacer drives in guide pin bushing is reciprocating, reciprocating impact piston hits the pick rod that is installed in the pick, make pick rod produce impact energy, but, because of internal combustion engine, reducing gear, crankshaft connecting rod system, displacer is rigidly connected, the recoil active force that impact piston produces back transmits by Compressed Gas, make complete machine produce strong recoil vibration, the vibration force that the operator holds machine is very big, and machine damages easily.When the crankshaft-link rod of this impacting pickaxe, displacer, impact piston work, the bringing onto load high-speed slide, frictional resistance is big, element precision requires high, must adopt lubricating oil and lubricating grease to unite lubricated, crankshaft-link rod, displacer, impact piston are easily because of the insufficient lubrication damage of generating heat, the manufacturing maintenance cost height of this impacting pickaxe.In addition, the energy utilization rate of this impacting pickaxe is not high, because displacer is an idle stroke when up, does not do work, and just does work when having only displacer descending.
Summary of the invention
Impacting pickaxe provided by the present invention, its task are to improve energy utilization rate, reduce the recoil vibration of impacting pickaxe, improve the comfortableness of operation and prevent that parts from damaging, and prolong its service life, reduce and make and maintenance cost.
In order to realize above-mentioned task, this impacting pickaxe is equipped with power set, the pick body, billy club and pick rod, power set link to each other with gear reduction, the bottom of pick body is set with the pick tube by pin and slotted eye, between pick body and pick tube, shock-absorbing spring is housed, billy club is contained in the pick tube, the hammer handle of billy club and the output shaft of reducing gear are connected with steel ball in being contained in this keyway by keyway, be connected with impact spring by thrust bearing between billy club and the pick tube, the tup of billy club is set with the impact cover that is fixed in the pick tube outward, in the tup external cylindrical surface of billy club and two positions of matching of inner cylinder face of impacting cover, one of them position is provided with mutual isolation, the raceway that is obliquely installed along circumference, and another position wherein is provided with the waveform raceway around circumference, in above-mentioned mutual isolation, in the raceway that is obliquely installed along circumference a steel ball is housed respectively, half of steel ball impacted in the cover, and second half is in billy club, and the top of pick rod is passed and impacted the below that is sleeved on billy club.
Above-mentioned reducing gear can be a planetary gear reducing mechanism that is made of centre wheel, planetary gear, internal gear and planet carrier, and planetary gear reducing mechanism adopts planet carrier output; Above-mentioned mutual isolation, the raceway that is obliquely installed along circumference is the arcwall face along the circumference inclination that processes in the inner cylinder face of described impact cover, described waveform raceway around circumference is located in the tup external cylindrical surface of described billy club, also can be opposite, it is above-mentioned mutual isolation, the raceway that is obliquely installed along circumference can be located in the tup external cylindrical surface of billy club, then is located in the inner cylinder face that impacts cover around the waveform raceway of circumference.
Owing to adopted technique scheme, the present invention compared with prior art has following beneficial effect:
1, because billy club mainly adopts the steel ball scrolling realization to move back and forth, thus this impacting pickaxe have simple in structure, between the part wearing and tearing little, it is little, in light weight generate heat, long service life, it is low to make maintenance cost, simply lubricated, keeps in repair easy.
2, be provided with shock-absorbing spring, can absorb billy club well and hit the vibrational energy that pick rod produced, prevent that reducing gear, power set from damaging because of the brute force vibration, improve the comfortableness of operation simultaneously, reduce labour intensity.
3, because the billy club of this impacting pickaxe hits the time weak point of pick rod, the most of the time is that billy club compression shock spring stores up energy, so this impacting pickaxe energy utilization rate height.
Description of drawings
Fig. 1 is the structural representation of billy club impact conditions in the embodiment of the invention.
Fig. 2 is the structural representation that billy club is mentioned state in the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing example, the invention will be further described:
Illustrated in figures 1 and 2 is one is equipped with the impacting pickaxe of internal combustion engine 2, internal combustion engine 2 is equipped with by terminal pad 4 in the top of its pick body 9, arm-rest frame 1 is equipped with at the middle part, the power of internal combustion engine 2 is passed to centre wheel 5 by centrifugal clutch 3, the internal gear 7 of planetary gear reducing mechanism is fixed on the pick body 9, centre wheel 5 by with the engagement of planetary gear 6 and internal gear 7, with the output shaft output of power from planet carrier 8; The bottom of pick body 9 is set with pick tube 16 by pin 10 and slotted eye, between pick body 9 and pick tube 16, shock-absorbing spring 12 is housed, billy club 17 is housed in pick tube 16, the hammer handle of billy club 17 upwards is inserted in the output shaft of planet carrier 8, the inner surface of the output shaft of planet carrier 8 is provided with the axial setting in four roads, the bottom surface is the keyway of cylindricality, be provided with also at the hammer handle outer surface of billy club 17 accordingly that four roads axially are provided with, the bottom surface is the keyway of cylindricality, between each of the output shaft of described planet carrier 8 and described hammer handle is to keyway, a steel ball 11 is housed respectively, be connected with impact spring 13 by thrust bearing 14 between billy club 17 and the pick tube 16, the tup of billy club 17 is set with the impact that is fixed in the pick tube 16 by screw thread outward and overlaps 18, the two adopts matched in clearance, in the inner cylinder face of described impact cover 18, along circumferencial direction, cutting out two with ball cutter isolates mutually, the arcwall face that is obliquely installed along circumference is as raceway, the tup of billy club 17 is a cylinder, in the face of cylinder of the tup of billy club 17, along circumferencial direction, process a waveform raceway with same ball cutter around circumference, raceway divides rising raceway and decline raceway, the rising raceway is short, the decline raceway is long, always have two rising raceways and two decline raceways, in described mutual isolation, in the raceway that is obliquely installed along circumference a steel ball 15 is housed respectively, half of steel ball 15 impacted 18 li in cover, second half is 17 li of billy clubs, and the top of pick rod 19 is passed and impacted the below that cover 18 is contained in billy club 17.
During the work of this internal combustion impacting pickaxe, the operator hands arm-rest frame 1, starting apparatus combustion engine 2, the throttle of controlling combustion engine 2, when the rotating speed of internal combustion engine 2 reaches certain value, centrifugal clutch 3 engages, import power into planetary gear reducing mechanism, behind planetary gear speed-reduction, obtain suitable rotating speed and enough big moment of torsion from the output shaft of planetary gear reducing mechanism, allow billy club 17 rotations, billy club 17 overcomes the active force of impact spring 13, roll along the inclined races of impacting cover 18 by steel ball 15 and to rise, this moment, the energy of internal combustion engine 2 outputs was stored up on impact spring 13, when steel ball 15 rises when being rolled into the decline raceway of billy club 17,15 pairs of billy clubs 17 of steel ball lose supporting role, and fall after rise fast with billy club 17, billy club 17 hits pick rod 19 fast under the effect of impact spring 13, the energy that stores up on the impact spring 13 is passed on the pick rod 19, rotation along with billy club 17, billy club 17 repeats above-mentioned action again and rises, under dash, billy club 17 whenever turns around and hits pick rod 19 twice, goes round and begins again.In billy club 17 pumps process, when billy club 17 hits pick rod 19, pick rod 19 is given 17 1 recoil strength of billy club, the kinetic energy that this recoil strength produces passes to shock-absorbing spring 12 by billy club 17, impact spring 13, pick tube 16, and absorbed, thereby reduce the vibration of hitting 19 pairs of internal combustion engines 2 of pick rod, pick body 9, planetary gear reducing mechanism and arm-rest frame 1 by shock-absorbing spring 12.
The present invention also can adopt motor as power set in other embodiments.
Claims (2)
1. one kind is equipped with power set (2), reducing gear, pick body (9), the impacting pickaxe of billy club (17) and pick rod (19), it is characterized in that described pick body (9) is set with pick tube (16) by pin (10) and slotted eye, between described pick body (9) and described pick tube (16), shock-absorbing spring (12) is housed, described billy club (17) is contained in the described pick tube (16), the hammer handle of described billy club (17) and the output shaft of described reducing gear are connected with steel ball (11) in being contained in this keyway by keyway, be connected with impact spring (13) by thrust bearing (14) between described billy club (17) and the described pick tube (16), the tup of described billy club (17) is set with the impact cover (18) that is fixed in the described pick tube (16) outward, in two positions of matching of inner cylinder face of the tup external cylindrical surface of described billy club (17) and described impact cover (18), one of them position is provided with mutual isolation, the raceway that is obliquely installed along circumference, and another position wherein is provided with the waveform raceway around circumference, in described mutual isolation, in the raceway that is obliquely installed along circumference a steel ball (15) is housed respectively, half of steel ball (15) impacted cover (18) lining, second half is in billy club (17) lining, and the top of described pick rod (19) is contained in the described impact cover (18).
2. impacting pickaxe according to claim 1, it is characterized in that described reducing gear is a planetary gear reducing mechanism that is made of centre wheel (5), planetary gear (6), internal gear (7) and planet carrier (8), described mutual isolation, the raceway that is obliquely installed along circumference is the arcwall face along the circumference inclination that processes in the inner cylinder face of described impact cover (18), and described waveform raceway around circumference is located in the tup external cylindrical surface of described billy club (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810301390A CN100591485C (en) | 2008-04-29 | 2008-04-29 | Impacting pickaxe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810301390A CN100591485C (en) | 2008-04-29 | 2008-04-29 | Impacting pickaxe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101264598A true CN101264598A (en) | 2008-09-17 |
| CN100591485C CN100591485C (en) | 2010-02-24 |
Family
ID=39987401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810301390A Expired - Fee Related CN100591485C (en) | 2008-04-29 | 2008-04-29 | Impacting pickaxe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100591485C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499388A (en) * | 2014-12-16 | 2015-04-08 | 安阳市京源铁路设备有限公司 | Internal and external spring driving gasoline engine type tamping pickaxe capable of real-time monitoring vibration parameter |
| CN106400621A (en) * | 2016-11-26 | 2017-02-15 | 蓬莱奥斯勃机械有限公司 | Hand-held shock impact internal combustion tamping pickaxe |
| CN108203917A (en) * | 2017-11-08 | 2018-06-26 | 广州雅松智能设备有限公司 | A kind of novel urban road repair apparatus |
| CN112211048A (en) * | 2020-10-13 | 2021-01-12 | 罗凡 | Digging chain structure of railway ballast screen scarifier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4811797A (en) * | 1987-10-21 | 1989-03-14 | Nauchno-Proizvodstvennoe Obiedinenie Po Mekhanizirovannomu Stroitelnomu Instrumentru I Otdelochnym Mashinam | Impact wrench |
-
2008
- 2008-04-29 CN CN200810301390A patent/CN100591485C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499388A (en) * | 2014-12-16 | 2015-04-08 | 安阳市京源铁路设备有限公司 | Internal and external spring driving gasoline engine type tamping pickaxe capable of real-time monitoring vibration parameter |
| CN106400621A (en) * | 2016-11-26 | 2017-02-15 | 蓬莱奥斯勃机械有限公司 | Hand-held shock impact internal combustion tamping pickaxe |
| CN106400621B (en) * | 2016-11-26 | 2018-09-28 | 蓬莱奥斯勃机械有限公司 | Hand-held jerk tamping pick |
| CN108203917A (en) * | 2017-11-08 | 2018-06-26 | 广州雅松智能设备有限公司 | A kind of novel urban road repair apparatus |
| CN112211048A (en) * | 2020-10-13 | 2021-01-12 | 罗凡 | Digging chain structure of railway ballast screen scarifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100591485C (en) | 2010-02-24 |
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| C06 | Publication | ||
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Granted publication date: 20100224 Termination date: 20140429 |