CN201070589Y - Automatic mixed liquid breaking hammer - Google Patents
Automatic mixed liquid breaking hammer Download PDFInfo
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- CN201070589Y CN201070589Y CNU2007200640287U CN200720064028U CN201070589Y CN 201070589 Y CN201070589 Y CN 201070589Y CN U2007200640287 U CNU2007200640287 U CN U2007200640287U CN 200720064028 U CN200720064028 U CN 200720064028U CN 201070589 Y CN201070589 Y CN 201070589Y
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Abstract
The utility model provides a breaking hammer used for automatic liquid mixing, and the breaking hammer mainly has a cylinder body. The cylinder body is internally provided with a piston cavity and a piston matched with the piston cavity, the tail part of the piston is matched with a rear cylinder sleeve, the rear cylinder body of the piston cavity is provided with a piston post-chamber, the middle cylinder body of the piston cavity is provided with an oil return chamber, the front cylinder body of the piston cavity is provided with a piston ante-chamber, the upper part of the cylinder body which is in parallel with the piston cavity is provided with a signal channel, an oil transporting channel, a liquid mixing cavity and a liquid mixing column, the tail part of the liquid mixing column is provided with a piston cover, the joint at the rear part of the cylinder body is provided with a rear cylinder cover, and an energy reserving air chamber which is matched with the tail part of the piston is arranged in the rear cylinder cover. The utility model adopts the technical proposal that the upper part of the cylinder body which is in parallel with the piston cavity is provided with the signal channel, the oil transporting channel, the liquid mixing cavity and the liquid mixing column, and the energy reserving air chamber is arranged in the rear cylinder cover, and overcomes the defects that the prior hydraulic breaking hammer has obvious reduction of the piston impact energy as well as easy fatigue during the operation under the atmospheric oil supply, and the impact load to a main engine is relative larger. The utility model is applied to the corollary use of an excavator, a loader, a steel plant disintegrator, a bale breaker, a mine fixed type or mobile type lithotripter.
Description
Technical field
The utility model relates to a kind of quartering hammer, especially a kind of automatic liquid matching quartering hammer.
Background technology
Existing hydraulic breaking hammer has that impulsive force is big, easy to use, mobility is good, noise is little, the efficient advantages of higher, but its weak point is:
One, hydraulic breaking hammer is in stroke procedure, the impact energy that obtains can be expressed as E=FL, impulsive force F=PS, wherein: S is a piston back cavity effective active area, p is the back cavity pressure, L is a piston stroke, because L and S are subjected to the restriction of structure and service condition, and very big change can not be arranged, thereby desire obtains bigger impact energy E, must make the F value bigger, (V=8～10m/s) impact (under 400～1000/min) the situation, can make that the oil-feed peak flow of back cavity is quite big, so provide required average discharge big to piston with high-frequency at high-speed motion simultaneously, for solving this contradiction, structurally must take measures, guaranteeing the supply of this big peak flow, otherwise, to make piston can not accelerate to the accekeration of requirement because of flow runs out of rapid decline of back cavity pressure, impulsive force greatly reduces.How to solve under the condition of normal pressure fuel feeding, during piston impact, the pressure that back cavity acts on piston does not increase with stroke, and obviously descends, and becomes one of key issue of hydraulic breaking hammer design.
Two, the nitrogen explosion type quartering hammer utilizes gas blow-through work done principle effectively to address the above problem, piston thrust is to utilize the preshoot of nitrogen explosive force to quicken, do not need pressure oil, but the higher easy leakage of gas pressure in this structure, to the temperature environment sensitivity, Sealing Technology is required height, so accumulation of energy air chamber nitrogen pressure P gas can not be too high, the power F of impacting also can not improve, therefore strengthen impulsive force make piston obtain enormous impact can be the hydraulic breaking hammer design key issue two.
Three, hydraulic breaking hammer is when work, its frequency of impact is than higher, the frequent great change of pulsation hydraulic oil, caused to the working host shock loading with to operator's burden, if can be under the certain situation of percussion power, hydraulic fluid pressure pulsation trend be constant steadily, exports bigger impact energy and the shock loading less to working host, and reduce energy consumption, be the hydraulic breaking hammer design key issue three.
Summary of the invention
At above-mentioned situation, the purpose of this utility model is to provide a kind of can have multiplication of voltage impact energy and simple in structure again by automatic liquid matching, and efficient height, energy consumption are low, easy care, safe and practical automatic liquid matching quartering hammer.
For achieving the above object, a kind of automatic liquid matching quartering hammer, it mainly contains a cylinder body, establish plunger shaft in this cylinder body, an adaptive piston in the plunger shaft, the adaptive back cylinder sleeve of the afterbody of piston is established chamber behind the piston on the rear portion cylinder body of plunger shaft, establish oil revolute chamber on the middle part cylinder body of plunger shaft, establish the piston cup on the anterior cylinder body of plunger shaft, the cylinder body top that is parallel to plunger shaft is provided with the signal road, oil transportation road, dosing chamber and dosing post, the dosing chamber comprises the dosing ante-chamber, the dosing back cavity, the afterbody of dosing post is established cover of plunger, and back cylinder cover is established in the junction at cylinder body rear portion, is provided with the accumulation of energy air chamber of adaptive piston tail in this back cylinder cover.
For implementation structure optimization, its further step also has:
One end in described signal road is communicated with the oil revolute chamber of cylinder body, and the other end is communicated with the dosing back cavity of cylinder body.
The front end in described oil transportation road is communicated with the piston cup, and the rear end is communicated with the dosing ante-chamber.
The diameter of described piston is forward and backwardly not wait.
The diameter of described piston is the diameter of the diameter of front portion greater than the rear portion.
The utility model is used in an adaptive piston in the cylinder body, and establish the signal road on the cylinder body top that is parallel to piston, the oil transportation road, establish the technical scheme of the accumulation of energy air chamber of adaptive piston tail in dosing post and the back cylinder cover, overcome the piston impact energy of existing hydraulic breaking hammer under the normal pressure fuel feeding obviously decline and operation fatiguability, working host has been had the defective of greater impact load.
The beneficial effect that the utility model is produced compared to existing technology:
One, same specification size product same or even lower technical parameter condition under, hitting power that piston produces is multiplied, the impact energy that is produced is doubled and redoubled, operating efficiency improves greatly, and has reduced energy consumption.
∵ E=FL F=F liquid+F gas (E: impact energy, F: impulsive force, L: piston stroke)
Two, the unique dosing post of design, 1 time to piston cup dispensing pressure oil, promoting piston moves backward, and according to the signal feedback of the impulse stroke of piston, 2 chamber dispensing pressure oils behind piston promote piston advances forward, but do not change original state of hydraulic oil, remain a constant counterpressure state when making the hydraulic working oil of oil-in, operation clock pulse dynamic high-pressure changes little, has significantly alleviated the infringement of the tired and long-term work of operator to host hydraulic system.And general control valve in the past is because frequent switching break-in, and hydraulic fluid pressure constantly suddenlys change, and the carrying working host is produced frequent shock loading, has a strong impact on the Host Security life-span.
Three, the unique dosing post of design makes entire machine work that 2 moving components only be arranged, and structure is simpler, more economical, maintenance and repair are easier.
The utility model is fit to excavator, loading machine, steel mill's disassembling furnace machine, bale breaker, the mine is fixed or the supporting use of portable stone crusher.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the front view of piston compression stroke in the utility model.
Fig. 2 is the front view of piston impact stroke in the utility model.
Fig. 3 is the enlarged front view of the utility model dosing post.
Among the figure 1, cylinder body, 11, the back cylinder sleeve, 2, plunger shaft, 21, chamber behind the piston, 22, oil revolute chamber, 23, the piston cup, 24, accumulation of energy air chamber, 3, piston, 4, the signal road, 5, the oil transportation road, 6, the dosing chamber, 61, dosing ante-chamber, 62, the dosing back cavity, 7, the dosing post, 71 cover of plungers, 8, back cylinder cover.
The specific embodiment
Referring to accompanying drawing, a kind of automatic liquid matching quartering hammer, it mainly contains a cylinder body 1, establishes plunger shaft 2 in this cylinder body 1, and adaptive pistons 3 in the plunger shaft 2, the diameter of piston 3 are forward and backwardly not wait.The adaptive back cylinder sleeve 11 of the afterbody of piston 3 is established chamber 21 behind the piston on the rear portion cylinder body 1 of plunger shaft 2, establish oil revolute chamber 22 on the middle part cylinder body 1 of plunger shaft 2, establishes piston cup 23 on the anterior cylinder body 1 of plunger shaft 2.Cylinder body 1 top that is parallel to plunger shaft 2 is provided with signal road 4, oil transportation road 5, dosing chamber 6 and dosing post 7, dosing chamber 6 comprises dosing ante-chamber 61, dosing back cavity 62, the afterbody of dosing post 7 is established cover of plunger 71, one end in signal road 4 is communicated with the oil revolute chamber 22 of piston 3, and the other end is communicated with the dosing back cavity 62 of dosing post 7.The diameter of piston 3 is the diameter of front portion diameters greater than the rear portion.The front end in oil transportation road 5 is communicated with piston cup 23, and the rear end is communicated with dosing ante-chamber 61.Back cylinder cover 8 is established in the junction at cylinder body 1 rear portion, is provided with the accumulation of energy air chamber 24 of adaptive piston 3 afterbodys in this back cylinder cover 8.
In conjunction with the accompanying drawings, present embodiment is the rear portion diameter of the anterior diameter of piston 3 greater than piston 3.Thus, not waiting of piston 3 forward and backward diameters and the area difference Δ s that forms can obtain forward and backward different thrust, this thrust meets thrust F
Liquid=P
LiquidΔ S.
Operate as normal of the present utility model is:
When pressure oil enters the piston cup 23 of plunger shaft 2, the dosing ante-chamber 61 of dosing post 7 simultaneously from the oil-in of cylinder body 1 through oil transportation road 5, make dosing post 7 be in dosing chamber 6 foremost.At this moment, the oil-in of closure piston cup 23 is gradually opened the oil return opening of chamber 21 behind the piston, and piston 3 moves backward, and the nitrogen in the compress energy storage air chamber 24, and its pressure sharply raises, and signal road 4 is in closed condition.
Walk to signal road 4 and open after piston 3 continues, hydraulic oil enters dosing back cavity 62 through signal road 4, at this moment, dosing post 7 moves backward, make piston after chamber 21 oil-ins open, oil return opening is closed, this is the 7 secondary dosings of dosing post, and the forward and backward chamber of piston 3 all enters hydraulic oil.Because area difference Δ s appears in not waiting of piston 3 forward and backward diameters, generate thrust F
Liquid=P
LiquidΔ S, compressed nitrogen expands and breaks out acting in the air chamber 24 of accumulation of energy simultaneously, generates thrust F
Gas=P
GasS produces the F that makes a concerted effort thus
Close=F
Gas+ F
Liquid, double thrust promotes piston 3 and travels forward, and piston 3 preshoots are quickened, and forms double hitting power.
Because before the diameter of piston 3 is, after do not wait, to the thrust difference that makes piston 3 front and back air chamber apply piston 3 end faces, because of the anterior diameter of piston 3 rear portion diameter greater than piston 3, so the thrust of chamber 21 is greater than the thrust of piston cup 23 behind the piston, piston 3 turns to the impact operating position that proceeds to piston cup 23, piston 3 leading sections bump drill steel end, produce huge hitting power, act on the object of drill steel working surfaces, be communicated with oil revolute chamber 22 when piston 3 continues to proceed to signal road 4, the pressure oil in the signal road 4 enters the oil return state, at this moment, piston 3 is back to original position, finishes a working cycles, enters second working cycles.
Below only be preferred embodiment of the present utility model, according to above-mentioned design of the present utility model, those skilled in the art also can make various modifications and conversion to this.For example, signal road, oil transportation road, dosing post, oil revolute chamber, the modification of piston diameter etc. and conversion.Yet similar this conversion and modification all belong to essence of the present utility model.
Claims (5)
1. automatic liquid matching quartering hammer, it is characterized in that it mainly contains a cylinder body (1), establish plunger shaft (2) in this cylinder body (1), an adaptive piston (3) in the plunger shaft (2), the adaptive back cylinder sleeve (11) of the afterbody of piston (3), establish chamber (21) behind the piston on the rear portion cylinder body (1) of plunger shaft (2), establish oil revolute chamber (22) on the middle part cylinder body (1) of plunger shaft (2), establish piston cup (23) on the anterior cylinder body (1) of plunger shaft (2), cylinder body (1) top that is parallel to plunger shaft (2) is provided with signal road (4), oil transportation road (5), dosing chamber (6) and dosing post (7), dosing chamber (6) comprise dosing ante-chamber (61), dosing back cavity (62), the afterbody of dosing post (7) is established cover of plunger (71), back cylinder cover (8) is established in the junction at cylinder body (1) rear portion, is provided with the accumulation of energy air chamber (24) of adaptive piston (3) afterbody in this back cylinder cover (8).
2. a kind of automatic liquid matching quartering hammer according to claim 1 is characterized in that an end in described signal road (4) is communicated with the oil revolute chamber (22) of cylinder body (1), and the other end is communicated with the dosing back cavity (62) of cylinder body (1).
3. a kind of automatic liquid matching quartering hammer according to claim 1 is characterized in that the front end in described oil transportation road (5) is communicated with piston cup (23), and the rear end is communicated with dosing ante-chamber (61).
4. a kind of automatic liquid matching quartering hammer according to claim 1, the diameter that it is characterized in that described piston (3) are forward and backwardly not wait.
5. a kind of automatic liquid matching quartering hammer according to claim 4, the diameter that it is characterized in that described piston (3) are the diameter of the diameter of front portion greater than the rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200640287U CN201070589Y (en) | 2007-08-03 | 2007-08-03 | Automatic mixed liquid breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200640287U CN201070589Y (en) | 2007-08-03 | 2007-08-03 | Automatic mixed liquid breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201070589Y true CN201070589Y (en) | 2008-06-11 |
Family
ID=39549145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200640287U Expired - Fee Related CN201070589Y (en) | 2007-08-03 | 2007-08-03 | Automatic mixed liquid breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201070589Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010133092A1 (en) * | 2009-05-21 | 2010-11-25 | 南阳开天工程机械有限公司 | Internal machining method for oil passage holes of hydraulic breaking hammer |
| CN103352895A (en) * | 2013-06-28 | 2013-10-16 | 山河智能装备股份有限公司 | Hydraulic impacter |
| CN103372474A (en) * | 2012-04-30 | 2013-10-30 | 株式会社水山重工业 | Adaptor for increasing piston work pressure of hydraulic breaking hammer |
| CN106223181A (en) * | 2016-09-24 | 2016-12-14 | 成都中武联创科技有限公司 | A kind of crushing system for cement road surface resonance crushing machine |
| CN107377061A (en) * | 2016-05-13 | 2017-11-24 | 张作玮 | A kind of roller hits gravity quartering hammer |
-
2007
- 2007-08-03 CN CNU2007200640287U patent/CN201070589Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010133092A1 (en) * | 2009-05-21 | 2010-11-25 | 南阳开天工程机械有限公司 | Internal machining method for oil passage holes of hydraulic breaking hammer |
| CN103372474A (en) * | 2012-04-30 | 2013-10-30 | 株式会社水山重工业 | Adaptor for increasing piston work pressure of hydraulic breaking hammer |
| CN103352895A (en) * | 2013-06-28 | 2013-10-16 | 山河智能装备股份有限公司 | Hydraulic impacter |
| CN107377061A (en) * | 2016-05-13 | 2017-11-24 | 张作玮 | A kind of roller hits gravity quartering hammer |
| CN107377061B (en) * | 2016-05-13 | 2018-03-16 | 张作玮 | A kind of roller hits gravity quartering hammer |
| CN106223181A (en) * | 2016-09-24 | 2016-12-14 | 成都中武联创科技有限公司 | A kind of crushing system for cement road surface resonance crushing machine |
| CN106223181B (en) * | 2016-09-24 | 2018-06-22 | 成都中武联创科技有限公司 | A kind of crushing system for cement road surface resonance crushing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20110803 |