CN103046600A - A lubricating apparatus for contact piston of hydraulic breaker - Google Patents
A lubricating apparatus for contact piston of hydraulic breaker Download PDFInfo
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- CN103046600A CN103046600A CN2012101771680A CN201210177168A CN103046600A CN 103046600 A CN103046600 A CN 103046600A CN 2012101771680 A CN2012101771680 A CN 2012101771680A CN 201210177168 A CN201210177168 A CN 201210177168A CN 103046600 A CN103046600 A CN 103046600A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/26—Lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/72—Stone, rock or concrete
Abstract
The invention relates to a lubricating apparatus for contact piston of hydraulic breaker. High pressure working oil is supplied in a forced lubricating pot arranged on the lower end part of the large-diameter pipeline in a hit part in the lower side of the piston performing moving up and down in the air cylinder of the hydraulic breaker and an inner side face contact part of the air cylinder part. The high pressure working oil in the forced lubricating pot performs a function of lubrication between piston contact faces of the lower side of the air cylinder, so that the piston can move up and down through the lubrication effect of the high pressure working oil. The high pressure working oil performing the function of the lubrication between the piston contact face supports the piston transversely.
Description
Technical field
The present invention relates to has the bottom of cylinder large-diameter pipe road L of the working oil of high pressure to be provided with forced feed lubrication tank (lubricating pot) in supply, at this moment, make the piston contact surface forced lubrication device of the hydraulic breaking hammer that the high-pressure work oil of above-mentioned forced feed lubrication tank is lubricated all the time between the piston contact surface of the downside of above-mentioned cylinder, the piston contact surface forced lubrication device that particularly relates to a kind of following hydraulic breaking hammer: upper at the piston contact surface of the downside of cylinder section, downside is respectively equipped with upper sealing gasket and lower seal circle, as and the above-mentioned I/O port upside of top seal pad of bottom that extends communicatively the large-diameter pipe road L of the working oil that arranges and be supplied to high pressure be provided with forced feed lubrication tank (lubricating pot), at this moment, the high-pressure work oil that makes above-mentioned forced feed lubrication tank is lubricated between the piston contact surface of the downside of above-mentioned cylinder section all the time, upper at the piston contact surface of the downside of above-mentioned cylinder section, be provided with low pressure between the upper sealing gasket that downside forms and the lower seal circle and return tank, and extend communicatively setting with the low pressure stream, therefore the inside of the cylinder section of hydraulic breaking hammer carry out rise and the medial surface contact site of the downside beating part of the piston of decline effect and cylinder section in, supply has the high-pressure work oil of the forced feed lubrication tank (lubricating pot) that arranges in the bottom in above-mentioned large-diameter pipe road, the high-pressure work oil of above-mentioned forced feed lubrication tank is lubricated between the piston contact surface of the downside of above-mentioned cylinder section all the time, piston is further mildly gone up by the lubrication of high-pressure work oil, lower operation, between above-mentioned piston contact surface, be lubricated the working oil of high pressure of effect along the cross binding piston, scuffing and the breakage that not only can prevent in advance above-mentioned piston from contacting with the piston contact surface of the downside of cylinder section and occur, can also prevent the rising of the temperature that the friction of the interior sidewall surface of above-mentioned piston and cylinder section causes, thereby prevent the minimizing based on the cycle of the high temperature of piston, improve the broken rock operating efficiency by the piston of above-mentioned quartering hammer, further prolong the life-span of hydraulic breaking hammer, at the upside of the above-mentioned piston outstanding boss that is provided with integrally, when above-mentioned piston hits, nitrogen is not only also strongly exerted pressure to periphery (laterally) to the top at the boss position of above-mentioned piston, along laterally supporting fully above-mentioned piston, prevent the horizontal serious shake of generation when above-mentioned piston hits, scuffing and the reaction force of the piston that occurs at above-mentioned piston and cylinder section upper interior contact surface are minimized, and make the hitting power maximization of piston.
Background technology
General known hydraulic breaking hammer as shown in Figure 1, the breaking hammer main body section 100 of hydraulic breaking hammer is by front (FRONT HEAD) 110, (CYLINDER) 120 of cylinder section and back (BACKHEAD) 130 are cut apart formation, at this moment, in above-mentioned front 110, be respectively equipped with the drill steel 111 to the downside fractured rock, be used for supporting the protecgulum (FRONT COVER) 112 of above-mentioned drill steel 111, be located at protecgulum 110 inboards to prevent the drill steel pin 113 that above-mentioned drill steel 111 breaks away to downside and to be used for when above-mentioned drill steel 111 hits grommet 114 with piston maintenance vertical arrangement state, and, be provided be used to the piston 121 that hits above-mentioned drill steel 111 in the inside of above-mentioned cylinder section 120 and be used for controlling above-mentioned piston 121, the hydraulic control valve 140 of down stroke and upper in above-mentioned cylinder section 120, downside is provided be used to the leakage that prevents working oil, lower seal assembly (SEAL KIT) 122a, 122b.
And, be provided with on the characteristic at quartering hammer in order to impact in a side of above-mentioned cylinder section 120, energy storage reaches the actuator (ACCUMULATOR) 150 of preventing the pulsation function and being filled with nitrogen (N2) in inside, when above-mentioned piston 121 hits above-mentioned drill steel 111, act on above-mentioned piston 121 the upper end hydraulic pressure and in the back 130 inner nitrogen (N2) of filling play the maximized effect of the hitting power that makes piston 121 simultaneously, and, after above-mentioned piston 121 hits, piston is subject to reaction and when upspringing to top, its impact force is cushioned by the nitrogen of above-mentioned bonnet 130 inside, at this moment, the inside upper part at above-mentioned bonnet 130 is provided with for the valve 131 of filling nitrogen to above-mentioned bonnet 130.
Thus, the major part cross section structure figure of hydraulic-driven section of hydraulic breaking hammer and being used for shown in the hydraulic flow state diagram of piston lifting of Fig. 3 a such as Fig. 2, to the outside that is arranged at cylinder section 120 and the I/O port (IN/OUT Port) 160 that is supplied to the working oil of high pressure supply with under the work oil condition of high pressure, the working oil of above-mentioned high pressure flow into the bottom and hydraulic control valve 140 inside that are positioned at the top of actuator 150 of piston 121 by large-diameter pipe road, the bottom L of above-mentioned I/O port 160, at this moment, when the working oil of above-mentioned high pressure flow into the bottom of piston 121, act on the lower end large-diameter portion compression zone sectional area of above-mentioned piston 121, after above-mentioned piston 121 is carried out vertical motion to top, flow out to low pressure stream 200, just above-mentioned hydraulic control valve 140 will be in the state of cutting out at this moment.
On the other hand, when (top dead-centre) finished in the vertical motion of above-mentioned piston 121, above-mentioned hydraulic control valve 140 will be in open state, the high-pressure work oil of I/O port 160 is via above-mentioned hydraulic control valve 140, shown in Fig. 3 b, the working oil of high pressure flow into chamber compression zone P one side on the large-diameter portion on the top that is positioned at piston 121, make above-mentioned piston 121 carry out again descending stroke, thus, when descending, hits in above-mentioned piston the top of drill steel 111, execution is to the strike effect of object, at this moment, not only play at the actuator 150 of large-diameter pipe road, the bottom of above-mentioned I/O port 160 L one side setting and to absorb the impact that produces when above-mentioned piston hits drill steel 111 and the effect of pulsation, also store the function of the working oil of above-mentioned high pressure in the more fashionable execution of flow transient flow.
On the other hand, in the hydraulic breaking hammer of the rising of carrying out aforesaid piston and decline effect, when contacting with the medial surface of cylinder section 120, above-mentioned piston 121 makes progress, under move back and forth, drill steel 111 is strongly hit in the bottom of above-mentioned piston 121, thus, the friction of the downside beating part of above-mentioned piston 121 and the medial surface contact site of cylinder section 120 and impact cause occuring continually scuffing and the breakage of piston 121, and be soaked in the working oil all the time away from the piston of the beating part of above-mentioned drill steel 111 and move back and forth, and the bottom of the piston 121 of close above-mentioned beating part does not almost have the supply of working oil, because the high temperature of the temperature that the friction of above-mentioned piston 121 and cylinder section 120 interior sidewall surface causes rises, cycle by the drill steel 111 of piston reduces significantly, reduce significantly the performance of hydraulic breaking hammer, the high temperature that causes owing to the friction of above-mentioned piston 121 causes that the life-span of hydraulic breaking hammer shortens significantly etc. and has a lot of problems.
Summary of the invention
The problem that solves
The present invention proposes in order to solve the above problems, the object of the present invention is to provide a kind of piston contact surface forced lubrication device of following hydraulic breaking hammer: upper at the piston contact surface of the downside of cylinder section, downside is respectively equipped with upper sealing gasket and lower seal circle, as and the above-mentioned I/O port upside of top seal pad of bottom that extends communicatively the large-diameter pipe road of the working oil that arranges and be supplied to high pressure be provided with forced feed lubrication tank (lubricating pot), at this moment, the high-pressure work oil that makes above-mentioned forced feed lubrication tank is lubricated between the piston contact surface of the downside of above-mentioned cylinder section all the time, upper at the piston contact surface of the downside of above-mentioned cylinder section, be provided with low pressure between the upper sealing gasket that downside forms and the lower seal circle and return tank, and extend communicatively setting with the low pressure stream, thereby the inside of the cylinder section of hydraulic breaking hammer carry out rise and the medial surface contact site of the downside beating part of the piston of decline effect and cylinder section in, supply has the high-pressure work oil of the forced feed lubrication tank (lubricating pot) that arranges in the bottom in above-mentioned large-diameter pipe road, the high-pressure work oil of above-mentioned forced feed lubrication tank is lubricated between the piston contact surface of the downside of above-mentioned cylinder section all the time, piston is further mildly gone up by the lubrication of high-pressure work oil, lower operation, between above-mentioned piston contact surface, be lubricated the working oil of high pressure of effect along the cross binding piston, scuffing and the breakage that not only can prevent in advance above-mentioned piston from contacting with the piston contact surface of the downside of cylinder section and occur, can also prevent the rising of the temperature that the friction of the interior sidewall surface of above-mentioned piston and cylinder section causes, thereby prevent the minimizing based on the cycle of the high temperature of piston, improve the broken rock operating efficiency by the piston of above-mentioned quartering hammer, further prolong the life-span of hydraulic breaking hammer, at the upside of the above-mentioned piston outstanding boss that is provided with integrally, when above-mentioned piston hits, nitrogen is not only also strongly exerted pressure to periphery (laterally) to the top at the boss position of above-mentioned piston, along laterally supporting fully above-mentioned piston, prevent the horizontal serious shake of generation when above-mentioned piston hits, scuffing and the reaction force of the piston that occurs at above-mentioned piston and cylinder section upper interior contact surface are minimized, and make the hitting power maximization of piston.
The means of dealing with problems
As the technological means that is used for achieving the above object, a kind of piston contact surface forced lubrication device of hydraulic breaking hammer is provided among the present invention, in this hydraulic breaking hammer, be respectively equipped with the drill steel for fractured rock in the inboard of the front of breaking hammer main body section, be used for supporting the protecgulum of above-mentioned drill steel, be used for preventing the drill steel pin that above-mentioned drill steel breaks away to downside and be used for when above-mentioned drill steel hits grommet with piston maintenance vertical arrangement state, inboard in the cylinder section of the upside that is positioned at above-mentioned front, be provided be used to the piston that hits above-mentioned drill steel and be used for controlling above-mentioned piston, the hydraulic control valve of down stroke and upper in above-mentioned cylinder section, downside is provided be used to the leakage that prevents working oil, lower seal assembly (SEAL KIT), side in above-mentioned cylinder section is provided with the I/O port that inside is filled with the actuator of nitrogen (N2) and is supplied to the working oil of high pressure, extend communicatively by the large-diameter pipe road above-mentioned hydraulic control valve is set, actuator and I/O port, upside in above-mentioned cylinder section is provided with inner back of filling nitrogen, be provided with valve in order to fill nitrogen in above-mentioned rear first side, the piston contact surface forced lubrication device of above-mentioned hydraulic breaking hammer is characterised in that
Upper at the contact surface of the piston of the downside of above-mentioned cylinder section, downside is respectively equipped with upper sealing gasket and lower seal circle, as and the above-mentioned I/O port upside of upper sealing gasket of bottom that extends communicatively the large-diameter pipe road of the working oil that arranges and be supplied to high pressure be provided with forced feed lubrication tank (lubricating pot), at this moment, the high-pressure work oil that makes above-mentioned forced feed lubrication tank is lubricated between the piston contact surface of the downside of above-mentioned cylinder section and all the time along the cross binding piston, upper at the contact surface of the piston of the downside of above-mentioned cylinder section, be provided with low pressure between the upper sealing gasket that downside forms and the lower seal circle and return tank, form the formation of extending communicatively setting with the low pressure stream.
And, the invention is characterized in, at the upside of the piston of the inboard of the contact surface of the piston of the upside that the is positioned at above-mentioned cylinder section outstanding boss that is provided with integrally.
The effect of invention
As mentioned above, the piston contact surface forced lubrication device of the hydraulic breaking hammer in according to the present invention, have following outstanding effect: the cylinder section of hydraulic breaking hammer inner carry out rise and the medial surface contact site of the downside beating part of the piston of decline effect and cylinder section in, supply has the high-pressure work oil of the forced feed lubrication tank (lubricating pot) of the bottom that is arranged at above-mentioned large-diameter pipe road, the high-pressure work oil of above-mentioned forced feed lubrication tank is lubricated between the piston contact surface of the downside of above-mentioned cylinder section all the time, piston is further mildly gone up by the lubrication of high-pressure work oil, lower operation, between above-mentioned piston contact surface, be lubricated the working oil of high pressure of effect along the cross binding piston, scuffing and the breakage that not only can prevent in advance above-mentioned piston from contacting with the piston contact surface of the downside of cylinder section and occur, can also prevent the rising of the temperature that the friction of the interior sidewall surface of above-mentioned piston and cylinder section causes, thereby prevent the minimizing based on the cycle of the high temperature of piston, improve the broken rock operating efficiency by the piston of above-mentioned quartering hammer, further prolong the life-span of hydraulic breaking hammer, at the upside of the above-mentioned piston outstanding boss that is provided with integrally, when above-mentioned piston hits, nitrogen is not only also strongly exerted pressure to periphery (laterally) to the top at the boss position of above-mentioned piston, along laterally supporting fully above-mentioned piston, prevent the horizontal serious shake of generation when above-mentioned piston hits, scuffing and the reaction force of the piston that occurs at above-mentioned piston and cylinder section upper interior contact surface are minimized, and make the hitting power maximization of piston.
Among the present invention specific embodiment diagram and explanation have been carried out, but offer some clarification at this, in the scope that does not exceed by the main idea of the present invention of appending claims definition or technical field, the general technical staff of the technical field of the invention can easily carry out multiple transformation and variation to the present invention.
Description of drawings
Fig. 1 is the normal section structure chart of general hydraulic breaking hammer.
Fig. 2 is the major part cross section structure figure of hydraulic-driven section of the hydraulic breaking hammer among Fig. 1.
Fig. 3 a and Fig. 3 b are that piston that the hydraulic breaking hammer among Fig. 1 is shown is when rising and the figure of the flow regime of piston when descending.
Fig. 4 is the normal section structure chart of hydraulic breaking hammer that is provided with the piston contact surface forced lubrication device of hydraulic breaking hammer of the present invention.
Fig. 5 illustrates for the major part structure chart of forced feed lubrication according to the hydraulic flow state of the piston contact surface of hydraulic breaking hammer of the present invention.
Fig. 6 is the major part cross section structure figure that is illustrated in the cylinder top of boss side-prominent on the piston of hydraulic breaking hammer of the present invention.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the invention are described in detail.
Fig. 4 is the normal section structure chart of hydraulic breaking hammer that is provided with the piston contact surface forced lubrication device of hydraulic breaking hammer of the present invention, Fig. 5 illustrates for the major part structure chart of forced feed lubrication according to the hydraulic flow state of the piston contact surface of hydraulic breaking hammer of the present invention, and contact Fig. 1 will give identical mark for identical part and the present invention will be described.
Namely, be respectively equipped with the drill steel 111 for fractured rock in the inboard of the front 110 of breaking hammer main body section 100, be used for supporting the protecgulum 112 of above-mentioned drill steel 111, be used for preventing the drill steel pin 113 that above-mentioned drill steel 111 breaks away to downside and be used for when above-mentioned drill steel 111 hits grommet 114 with piston maintenance vertical arrangement state, and, inboard in the cylinder section 120 of the upside that is positioned at above-mentioned front 110, be provided be used to the piston 121 that hits above-mentioned drill steel 111 and be used for controlling above-mentioned piston 121, the hydraulic control valve 140 of down stroke, upper in above-mentioned cylinder section 120, downside is provided be used to the leakage that prevents working oil, lower seal assembly (SEAL KIT) 122a, 122b.
And, side in above-mentioned cylinder section 120 is provided with the I/O port 160 that inside is filled with the actuator 150 of nitrogen (N2) and is supplied to the working oil of high pressure, extend communicatively by large-diameter pipe road L above-mentioned hydraulic control valve 140, actuator 150 and I/O port 160 are set, upside in above-mentioned cylinder section 120 is provided with inner back 130 of filling nitrogen, and 130 1 sides are provided with valve 131 in order to fill nitrogen in above-mentioned back.
On the other hand, upper at the contact surface K1 of the piston 121 of the downside of above-mentioned cylinder section 120, downside is respectively equipped with upper sealing gasket 170a and lower seal circle 170b, as and above-mentioned I/O port 160 upside of upper sealing gasket 170a of bottom of large-diameter pipe road L that extends communicatively setting and be supplied to the working oil of high pressure be provided with forced feed lubrication tank (lubricating pot) 180, at this moment, the high-pressure work oil that makes above-mentioned forced feed lubrication tank 180 is lubricated between piston 121 contact surfaces of the downside of above-mentioned cylinder section 120 and all the time along cross binding piston 121, upper at the contact surface K1 of the piston 121 of the downside of above-mentioned cylinder section, be provided with low pressure between the upper sealing gasket 170a that downside forms and the lower seal circle 170b and return tank 190, form with low pressure stream 200 and extend communicatively the formation that arranges.
Below, to being described in detail by the effect of the present invention and the effect that consist of as mentioned above.
Namely, extremely shown in Figure 5 such as Fig. 4, supply with under the work oil condition of high pressure at the I/O port (IN/OUT Port) 160 to the outside that is arranged at cylinder section 120, the working oil of above-mentioned high pressure flow into the bottom and hydraulic control valve 140 inside that are positioned at the top of actuator 150 of piston 121 by large-diameter pipe road, the bottom L of above-mentioned I/O port 160, at this moment, when the working oil of above-mentioned high pressure flow into the bottom of piston 121, act on the lower end large-diameter portion compression zone sectional area of above-mentioned piston 121, after above-mentioned piston 121 is carried out vertical motion to top, flow out to low pressure stream 200, just hydraulic control valve 140 will be in the state of cutting out at this moment.
In addition, when (top dead-centre) finished in the vertical motion of above-mentioned piston 121, hydraulic control valve 140 will be in open state, the high-pressure work oil of I/O port 160 flow into chamber compression zone P one side on the large-diameter portion on the top that is positioned at piston 121 via above-mentioned hydraulic control valve 140, make above-mentioned piston 121 carry out again descending stroke, thus, when descending, hits in above-mentioned piston the top of drill steel 111, execution is to the strike effect of object, at this moment, not only play the impact that produces when above-mentioned piston hits drill steel 111 and the effect of pulsation of absorbing at the actuator 150 of large-diameter pipe road, the bottom of above-mentioned I/O port 160 L one side setting, also in the function of the working oil of the more above-mentioned high pressure of the fashionable storage of flow transient flow.
At this moment, upper at the contact surface K1 of the piston 121 of the downside of above-mentioned cylinder section 120 and cylinder section, downside is respectively equipped with upper sealing gasket 170a and lower seal circle 170b, as and above-mentioned I/O port 160 upside of upper sealing gasket 170a of bottom of large-diameter pipe road L that extends communicatively setting and be supplied to the working oil of high pressure be provided with forced feed lubrication tank (lubricating pot) 180, such as illustrating for shown in the major part structure chart of the hydraulic flow state of hydraulic breaking hammer piston contact surface forced feed lubrication of Fig. 5, by being arranged at the forced feed lubrication tank 180 that extends communicatively the bottom of the large-diameter pipe road L that arranges with above-mentioned I/O port 160, the motor-driven oil of high pressure flow between the contact surface K1 of the piston 121 of downside of cylinder section 120 and cylinder section all the time fully, in the time of the lubricity that guarantees to drive swimmingly, the working oil of high pressure is along laterally promoting above-mentioned piston 121 with support piston 121, above-mentioned piston 121 is further mildly carried out by the lubrication of high-pressure work oil, lower driving, thus, scuffing and the breakage that not only can prevent in advance above-mentioned piston 121 from contacting with the piston contact surface of the downside of cylinder section 120 and occur can also prevent the rising of the temperature that the friction of above-mentioned piston 121 and cylinder section 120 interior sidewall surface causes.
And, the upper and lower side of the contact surface K1 of the piston 121 of the downside of above-mentioned cylinder section 120 form upper sealing gasket 170a and lower seal circle 170b between be provided with low pressure and return tank 190, and extend communicatively setting with low pressure stream 200, make the working oil of the low pressure that flows into by above-mentioned upper sealing gasket 170a return tank 190 by above-mentioned low pressure and turn back to low pressure stream 200.
Thus, fully the cutoff low working oil lower seal circle 170b that returns the downside of tank 190 by being positioned at above-mentioned low pressure leaks into the bottom of piston 121, make with contact surface K1 as the piston 121 of the bottom of above-mentioned cylinder section 120 and obtain sufficient lubrication and cooling effect, in the situation that above-mentioned contact surface K1 is high temperature, also can realize soft driving by lubricating fully between above-mentioned piston 121 and the cylinder section 120.
On the other hand, Fig. 6 is the major part cross section structure figure that is illustrated in the cylinder top of boss side-prominent on the piston of hydraulic breaking hammer of the present invention, at the upside of the piston 121 of the contact surface K2 inboard of the piston 121 of the upside that the is positioned at above-mentioned cylinder section 120 outstanding boss 210 that is provided with integrally, when above-mentioned piston 121 hits, 130 inner nitrogen (N2) of filling are also strongly exerted pressure to periphery (laterally) as shown by arrows to the top at boss 210 positions of above-mentioned piston 121 in the back on piston top, thus, the nitrogen of above-mentioned back 130 is along laterally supporting fully (effect centers) piston 121, thus, can prevent the horizontal serious shake of generation when piston hits, carry out above-mentioned lubrication at above-mentioned piston 121 and the 120 upper interior contact surface K2 of cylinder section, scuffing and the reaction force of piston 121 are minimized, and make the hitting power maximization of piston.
Description of reference numerals
100: breaking hammer main body section 110: front
111: drill steel 112: protecgulum
113: drill steel pin 114: grommet
120: cylinder section 121: piston
130: back 131: valve
140: hydraulic control valve 150: actuator
160: I/ O port 170a, 170b: the upper and lower part sealing ring
180: forced feed lubrication tank (lubricating pot)
190: low pressure is returned tank 200: the low pressure stream
210: boss K1, K2: contact surface
L: large-diameter pipe road
Claims (2)
1. the piston contact surface forced lubrication device of a hydraulic breaking hammer,
In this hydraulic breaking hammer, be respectively equipped with drill steel (111) for fractured rock in the inboard of the front (110) of breaking hammer main body section (100), be used for supporting described drill steel (111) protecgulum (112), be used for preventing the drill steel pin (113) that described drill steel (111) breaks away to downside and be used for when described drill steel (111) hits and the grommet (114) of piston maintenance vertical arrangement state
Inboard in the cylinder section (120) of the upside that is positioned at described front (110) is provided be used to the piston that hits described drill steel (111) (121) and is used for controlling the hydraulic control valve (140) of the upper and lower stroke of described piston (121),
Be provided with the actuator (150) that inside is filled with nitrogen (N2) and the I/O port (160) that is supplied to the working oil of high pressure in a side of described cylinder section (120), extend communicatively by large-diameter pipe road (L) described hydraulic control valve (140), actuator (150) and I/O port (160) are set
Be provided with inner back (130) of filling nitrogen at the upside of described cylinder section (120), (130) one sides are provided with valve (131) in order to fill nitrogen in described back, and the piston contact surface forced lubrication device of described hydraulic breaking hammer is characterised in that,
Upper and lower side at the contact surface (K1) of the piston (121) of the downside of described cylinder section (120) is respectively equipped with upper sealing gasket (170a) and lower seal circle (170b),
In the bottom of extending communicatively the large-diameter pipe road (L) of the working oil that arranges and be supplied to high pressure with described I/O port (160), namely the upside of upper sealing gasket (170a) is provided with forced feed lubrication tank (180),
At this moment, the high-pressure work oil of described forced feed lubrication tank (180) is lubricated all the time between piston (121) contact surface of the downside of described cylinder section (120), and along cross binding piston (121),
Between upper sealing gasket (170a) and lower seal circle (170b) that the upper and lower side of the contact surface (K1) of the piston (121) of the downside of described cylinder section (120) forms, be provided with low pressure and return tank (190), itself and low pressure stream (200) extend setting communicatively.
2. the piston contact surface forced lubrication device of hydraulic breaking hammer according to claim 1, it is characterized in that, at the upside of the piston (121) of the inboard of the contact surface (K2) of the piston (121) of the upside that is positioned at described cylinder section (120), the integrally outstanding boss (210) that is provided with.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0106095 | 2011-10-17 | ||
| KR1020110106095A KR101290789B1 (en) | 2011-10-17 | 2011-10-17 | a lubricating apparatus for contact piston of hydraulic breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103046600A true CN103046600A (en) | 2013-04-17 |
| CN103046600B CN103046600B (en) | 2015-02-04 |
Family
ID=48059438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210177168.0A Expired - Fee Related CN103046600B (en) | 2011-10-17 | 2012-05-31 | A lubricating apparatus for contact piston of hydraulic breaker |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101290789B1 (en) |
| CN (1) | CN103046600B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105324218A (en) * | 2013-06-25 | 2016-02-10 | 阿特拉斯·科普柯凿岩设备有限公司 | Device and method related to lubrication of components in a rock drilling machine and rock drilling machine |
| CN107938740A (en) * | 2016-05-31 | 2018-04-20 | 泉州泉港灿鹏机械设备有限公司 | A kind of application method of quartering hammer |
| CN108291380A (en) * | 2015-10-05 | 2018-07-17 | 安格斯·罗伯森 | Reciprocating impact is hammered into shape |
| CN110468898A (en) * | 2018-05-11 | 2019-11-19 | 山特维克矿山工程机械有限公司 | Tooling sleeve, quartering hammer and installation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101677100B1 (en) | 2015-08-27 | 2016-11-18 | 대모 엔지니어링 주식회사 | Hydraulic breaker |
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- 2011-10-17 KR KR1020110106095A patent/KR101290789B1/en not_active IP Right Cessation
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- 2012-05-31 CN CN201210177168.0A patent/CN103046600B/en not_active Expired - Fee Related
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105324218A (en) * | 2013-06-25 | 2016-02-10 | 阿特拉斯·科普柯凿岩设备有限公司 | Device and method related to lubrication of components in a rock drilling machine and rock drilling machine |
| CN105324218B (en) * | 2013-06-25 | 2017-04-26 | 阿特拉斯·科普柯凿岩设备有限公司 | Device and method related to lubrication of components in a rock drilling machine and rock drilling machine |
| CN108291380A (en) * | 2015-10-05 | 2018-07-17 | 安格斯·罗伯森 | Reciprocating impact is hammered into shape |
| CN107938740A (en) * | 2016-05-31 | 2018-04-20 | 泉州泉港灿鹏机械设备有限公司 | A kind of application method of quartering hammer |
| CN107938740B (en) * | 2016-05-31 | 2020-05-22 | 浙江岭德重工有限公司 | Use method of breaking hammer |
| CN110468898A (en) * | 2018-05-11 | 2019-11-19 | 山特维克矿山工程机械有限公司 | Tooling sleeve, quartering hammer and installation method |
| CN110468898B (en) * | 2018-05-11 | 2022-09-06 | 山特维克矿山工程机械有限公司 | Tool bushing, breaking hammer and mounting method |
| US11478914B2 (en) | 2018-05-11 | 2022-10-25 | Sandvik Mining And Construction Oy | Tool bushing, breaking hammer and mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130041680A (en) | 2013-04-25 |
| KR101290789B1 (en) | 2013-07-30 |
| CN103046600B (en) | 2015-02-04 |
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