CN212338873U - Constant-pressure lubricating device of hydraulic breaking hammer - Google Patents
Constant-pressure lubricating device of hydraulic breaking hammer Download PDFInfo
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- CN212338873U CN212338873U CN202020824490.8U CN202020824490U CN212338873U CN 212338873 U CN212338873 U CN 212338873U CN 202020824490 U CN202020824490 U CN 202020824490U CN 212338873 U CN212338873 U CN 212338873U
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Abstract
The utility model belongs to the technical field of lubricating arrangement, concretely relates to hydraulic breaking hammer constant voltage lubricating arrangement, cylinder body main oil seal holds the chamber side and the piston has a constant pressure chamber, on the cylinder body and be located one side in constant pressure chamber has seted up the oil storage tank, the oil storage tank with seted up the inlet port between the constant pressure chamber, the constant pressure chamber bottom is close to one side of oil storage tank has seted up first even chamber, one side that the constant pressure chamber was kept away from in first even chamber has seted up the second even chamber, set up the oil outlet below the first even chamber, the fixed connection spring in the second even chamber, the one end of spring just is located the fixedly connected with push rod in the first even chamber, the push rod keeps away from the one end fixedly connected with ejector pad of spring, the ejector pad with first even chamber looks adaptation and sliding connection; the utility model discloses lubricate main seal and piston, prolonged life, also reduced the waste of oil and avoided environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of lubricating arrangement, concretely relates to hydraulic breaking hammer constant voltage lubricating arrangement.
Background
At present, the power source of the hydraulic breaking hammer is the pressure provided by an excavator, a loader or a pump station, and the hydraulic breaking hammer is widely applied to various breaking operations, such as: concrete crushing, peeling and crushing of rocks, dismantling and crushing of various buildings, quarrying operation in a quarry, and the like.
However, the main oil seal lubrication of the domestic and foreign hydraulic breaking hammer is performed by adopting an oil return low-pressure drop-injection mode, and because the piston and the main oil seal work in a high-speed friction state and the low-pressure drop-injection lubrication cannot establish reliable oil film and cooling at all, a main sealing element is extremely easy to damage, so that the service life and the efficiency of the hydraulic breaking hammer are seriously reduced due to oil leakage, a large amount of lubricating oil is wasted, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic breaking hammer constant voltage lubricating arrangement aims at solving among the above-mentioned background art because of piston and main oil blanket work at high-speed friction state, and reliable oil film and cooling can't be established at all to the drip lubrication of low pressure, so main seal spare very easily damages, leads to the oil leak to make hydraulic breaking hammer's life and efficiency seriously reduce, extravagant a large amount of lubricating oil and polluted environment's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a constant-pressure lubricating device of a hydraulic breaking hammer is characterized in that a constant-pressure cavity is formed in the side of a main oil seal containing cavity on a cylinder body and a piston, an oil storage tank is arranged on one side of the constant-pressure cavity on the cylinder body, an oil inlet hole is formed between the oil storage tank and the constant-pressure cavity, one end of the oil inlet hole is communicated with the oil storage tank, the other end of the oil inlet hole is communicated with the constant-pressure cavity, a first connecting cavity is formed in one side, close to the oil storage tank, of the bottom of the constant-pressure cavity, a second connecting cavity is formed in one side, far away from the constant-pressure cavity, of the first connecting cavity, one end of the first connecting cavity is communicated with the constant-pressure cavity, the other end of the first connecting cavity is communicated with the second connecting cavity, an oil outlet is formed below the first connecting cavity, the oil outlet is communicated with the first connecting cavity, a spring is fixedly connected in the second connecting, the one end fixedly connected with ejector pad of spring is kept away from to the push rod, the ejector pad with first chamber looks adaptation and sliding connection, can dismantle on the cylinder body and be connected with sealedly the mounting panel of oil storage tank.
Preferably, the cylinder body is provided with second screw holes which are respectively arranged on two sides of the oil storage tank, the mounting plate is provided with second screw holes which are respectively arranged at corresponding positions on two sides, the second screw holes are corresponding to the second screw holes, the second screw holes are connected with second screw rods through threads in the second screw holes, the second screw rods are provided with fastening nuts, the fastening nuts are tightly attached to the mounting plate, and the second screw rods penetrate through the second screw holes.
Preferably, still include first screw rod, mounting panel middle part position department runs through and is provided with first screw rod, first screw rod one end just is located fixedly connected with clamp plate in the oil storage tank.
Preferably, a first screw hole is formed in the middle of the mounting plate, the first screw rod is in threaded connection with the first screw hole, and a rotating handle is fixedly connected to one end, far away from the pressing plate, of the first screw rod.
Preferably, the oil inlet hole is Z-shaped.
Compared with the prior art, the beneficial effects of the utility model are that: the oil storage tank can store a certain amount of oil, and in the continuous reciprocating motion process of the piston, when the volume of the constant pressure cavity is increased, the oil in the oil storage tank enters the constant pressure cavity through the oil inlet hole and establishes a reliable constant pressure oil film, when the volume of the constant pressure cavity between the piston and the main oil seal is reduced, the push block in the first connecting cavity can be pushed and the spring is compressed through the push rod, so that the oil in the constant pressure cavity can be lubricated by contacting the piston through the oil outlet hole, the first screw rod moves downwards through the rotation of the handle so that the press plate presses the oil in the oil storage tank, so that the oil enters the oil inlet hole and is sealed, the oil storage tank is sealed through the mounting plate, in the reciprocating motion process of the piston, the oil in the oil storage tank cannot leak due to backward extrusion, the waste of the oil is reduced, and the environmental pollution is avoided.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural diagram of the mounting plate of the present invention;
in the figure: 1-cylinder body, 2-piston, 3-main oil seal, 4-oil storage tank, 5-constant pressure cavity, 6-oil inlet, 7-first connecting cavity, 8-second connecting cavity, 9-spring, 10-push rod, 11-push block, 12-oil outlet, 13-mounting plate, 14-first screw rod, 15-press plate, 16-rotating handle, 17-first screw hole, 18-second screw hole, 19-second screw rod and 20-fastening nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a constant pressure lubricating device of a hydraulic breaking hammer is characterized in that a constant pressure cavity 5 is arranged on the cavity containing side of a main oil seal 3 on a cylinder body 1 and a piston 2, an oil storage tank 4 is arranged on one side of the constant pressure cavity 5 on the cylinder body 1, an oil inlet hole 6 is arranged between the oil storage tank 4 and the constant pressure cavity 5, one end of the oil inlet hole 6 is communicated with the oil storage tank 4, the other end of the oil inlet hole 6 is communicated with the constant pressure cavity 5, a first connecting cavity 7 is arranged on one side of the bottom of the constant pressure cavity 5 close to the oil storage tank 4, a second connecting cavity 8 is arranged on one side of the first connecting cavity 7 far away from the constant pressure cavity 5, one end of the first connecting cavity 7 is communicated with the constant pressure cavity 5, the other end of the first connecting cavity 7 is communicated with the second connecting cavity 8, an oil outlet hole 12 is arranged below the first connecting cavity 7, the oil outlet hole 12 is communicated with the first connecting cavity 7, a spring 9 is, one end of the push rod 10 far away from the spring 9 is fixedly connected with a push block 11, the push block 11 is matched with the first connecting cavity 7 and is in sliding connection with the first connecting cavity, and a mounting plate 13 of the sealed oil storage tank 4 is detachably connected to the cylinder body 1.
In the embodiment, a certain amount of lubricating oil is added in the oil storage tank 4 in advance, the detachable fixed mounting plate 13 seals the oil storage tank 4 without leakage, the piston 2 reciprocates back and forth in the cylinder 1 and rubs with the main oil seal 3, when the air volume in the constant pressure cavity 5 is reduced in the reciprocating motion process of the piston 2, the lubricating oil in the oil storage tank 4 is forced to enter the constant pressure cavity 5 through the oil inlet hole 6 and lubricate the main oil seal 3, meanwhile, in the reciprocating motion process of the piston 2, the air in the constant pressure cavity 5 is also extruded into the first connecting cavity 7, the push block 11 is driven to move to drive the push rod 11 to compress the spring 9, and the push block 11 moves to one side of the oil outlet hole 12, at the moment, the communication port of the first connecting cavity 7 and the constant pressure cavity 5 is opened, the lubricating oil enters the first connecting cavity 7 through the communication port and enters the oil outlet hole 12, lubricating oil contacts with piston 2 by oil outlet 12 again, also lubricates piston 2, has improved the work efficiency of hydraulic breaking hammer to the life of hydraulic breaking hammer has been prolonged.
Further, the cylinder body 1 and the two sides of the oil storage tank 4 are respectively provided with a second screw hole 19, the mounting plate 13 is also respectively provided with a second screw hole 19 at the corresponding position of the two sides, the two corresponding second screw holes 19 are internally connected with a second screw rod 20 through threads, the second screw rod 20 is connected with a fastening nut 20 through threads at one side of the mounting plate 13, and the fastening nut 20 is tightly attached to the mounting plate 13.
In this embodiment, the second screw holes 19 on the two sides of the mounting plate 13 correspond to the second screw holes 19 on the two sides of the cylinder body 1, and at this time, the second screw 20 is screwed in, so that the mounting plate 13 is fixed on the cylinder body 1 and the oil storage tank 4 is sealed, and the fastening nut 20 is screwed in at one end of the second screw 20 and is tightly attached to the mounting plate 13, so that the mounting plate 13 is pressed by the fastening nut 20, and the mounting plate 13 and the cylinder body 1 are more firmly mounted and fixed.
Further, still include first screw rod 14, mounting panel 13 middle part department runs through and is provided with first screw rod 14, and first screw rod 14 one end just is located oil storage tank 4 internal fixation and is connected with clamp plate 15.
In the present embodiment, a first screw 14 is disposed through the middle of the mounting plate 13, one end of the first screw 14 is connected to a pressure plate 15, and the pressure plate 15 is used for pressing the lubricating oil in the oil storage tank 4 into the oil inlet 6.
Furthermore, a first screw hole 17 is formed in the middle of the mounting plate 13, the first screw 14 is in threaded connection with the first screw hole 17, and a rotating handle 16 is fixedly connected to one end, far away from the pressing plate 15, of the first screw 14.
In the present embodiment, the first screw 14 is rotated in the first screw hole 17 by the rotating hand 16 and simultaneously moved downward, so that the lubricant in the oil reservoir 4 is pressed by the pressure plate 15, so that the lubricant enters the oil inlet hole 6.
Further, the oil inlet 6 is Z-shaped.
In the present embodiment, the oil inlet hole 6 of the Z shape has a certain height in the vertical direction of the oil inlet hole 6, so that the lubricating oil in the constant pressure chamber 5 does not easily flow back into the oil storage tank 4 during the reciprocating motion of the piston 2.
The utility model discloses a theory of operation and use flow: after the utility model is installed, a certain amount of lubricating oil is added into the oil storage tank 4 in advance, and the detachable fixing and mounting plate 13 is fixed, so that the oil storage tank 4 is sealed and can not leak, the piston 2 reciprocates back and forth in the cylinder body 1 and rubs with the main oil seal 3, when the air volume in the constant pressure cavity 5 is reduced in the reciprocating motion process of the piston 2, so that the lubricating oil in the oil storage tank 4 is forced to enter the constant pressure cavity 5 through the oil inlet 6 and lubricate the main oil seal 3, meanwhile, in the reciprocating motion process of the piston 2, the air in the constant pressure cavity 5 is extruded into the first connecting cavity 7, so that the push block 11 moves to drive the push rod 11 to compress the spring 9, and the push block 11 moves to one side of the oil outlet 12, at the moment, the communicating port of the first connecting cavity 7 and the constant pressure cavity 5 is opened, the lubricating oil enters the first connecting cavity 7 through the communicating port and enters the oil outlet 12, lubricating oil contacts with piston 2 by oil outlet 12 again, also lubricates piston 2, has improved the work efficiency of hydraulic breaking hammer to the life of hydraulic breaking hammer has been prolonged.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a hydraulic pressure quartering hammer constant voltage lubricating arrangement which characterized in that: the main oil seal (3) on the cylinder body (1) is provided with a constant pressure cavity (5) at the cavity side and a piston (2), the cylinder body (1) is provided with one side of the constant pressure cavity (5) and is provided with an oil storage tank (4), the oil storage tank (4) is provided with an oil inlet hole (6) between the constant pressure cavity (5), one end of the oil inlet hole (6) is communicated with the oil storage tank (4), the other end of the oil inlet hole (6) is communicated with the constant pressure cavity (5), one side of the bottom of the constant pressure cavity (5) close to the oil storage tank (4) is provided with a first connecting cavity (7), one side of the first connecting cavity (7) far away from the constant pressure cavity (5) is provided with a second connecting cavity (8), one end of the first connecting cavity (7) is communicated with the constant pressure cavity (5), the other end of the first connecting cavity (7) is communicated with the second connecting cavity (8), and an oil outlet hole (12) is arranged below the first connecting cavity (7), oil outlet (12) with first chamber (7) are linked together, the second is chamber (8) internal fixation connecting spring (9) even, the one end of spring (9) just is located fixedly connected with push rod (10) in first chamber (7), the one end fixedly connected with ejector pad (11) of spring (9) are kept away from in push rod (10), ejector pad (11) with first chamber (7) looks adaptation and sliding connection, can dismantle on cylinder body (1) and be connected with sealedly mounting panel (13) of oil storage tank (4).
2. The constant pressure lubrication device for the hydraulic breaking hammer as claimed in claim 1, wherein: on cylinder body (1) and be located second screw (18) have been seted up respectively to the both sides of oil storage tank (4), second screw (18), corresponding two have also been seted up respectively to corresponding position department in both sides on mounting panel (13) run through threaded connection in second screw (18) has second screw rod (19), just be located on second screw rod (19) one side threaded connection of mounting panel (13) has fastening nut (20), fastening nut (20) with mounting panel (13) closely laminates.
3. The constant pressure lubrication device for the hydraulic breaking hammer as claimed in claim 1, wherein: still include first screw rod (14), mounting panel (13) middle part position department runs through and is provided with first screw rod (14), first screw rod (14) one end just is located fixedly connected with clamp plate (15) in oil storage tank (4).
4. A constant pressure lubrication device for a hydraulic breaking hammer as claimed in claim 3, wherein: first screw (17) have been seted up to mounting panel (13) middle part position department, first screw rod (14) with first screw (17) threaded connection, keep away from first screw rod (14) the one end fixedly connected with of clamp plate (15) changes hand (16).
5. The constant pressure lubrication device for the hydraulic breaking hammer as claimed in claim 1, wherein: the oil inlet hole (6) is Z-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020824490.8U CN212338873U (en) | 2020-05-16 | 2020-05-16 | Constant-pressure lubricating device of hydraulic breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020824490.8U CN212338873U (en) | 2020-05-16 | 2020-05-16 | Constant-pressure lubricating device of hydraulic breaking hammer |
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| Publication Number | Publication Date |
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| CN212338873U true CN212338873U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020824490.8U Active CN212338873U (en) | 2020-05-16 | 2020-05-16 | Constant-pressure lubricating device of hydraulic breaking hammer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883122A (en) * | 2021-09-10 | 2022-01-04 | 无锡欧曼液压科技有限公司 | Novel ultrahigh-pressure clamp oil cylinder |
-
2020
- 2020-05-16 CN CN202020824490.8U patent/CN212338873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883122A (en) * | 2021-09-10 | 2022-01-04 | 无锡欧曼液压科技有限公司 | Novel ultrahigh-pressure clamp oil cylinder |
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