CN219527783U - Heavy breaking hammer power mechanism - Google Patents
Heavy breaking hammer power mechanism Download PDFInfo
- Publication number
- CN219527783U CN219527783U CN202320458741.9U CN202320458741U CN219527783U CN 219527783 U CN219527783 U CN 219527783U CN 202320458741 U CN202320458741 U CN 202320458741U CN 219527783 U CN219527783 U CN 219527783U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- oil
- valve body
- nitrogen
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a heavy breaking hammer power mechanism, which is characterized in that: the utility model provides a power unit including well cylinder body (1), the top of well cylinder body (1) inner chamber is provided with valve body (2), still is provided with nitrogen cylinder (3) on the terminal surface of well cylinder body (1) simultaneously, the inside hydraulic cylinder (4) that are provided with of nitrogen cylinder (3), piston (5) top of hydraulic cylinder (4) is hydro-cylinder air chamber (6), be nitrogen cylinder cavity (7) between the outer wall of nitrogen cylinder (3) and hydraulic cylinder (4), the top of hydraulic cylinder (4) is provided with air vent (8), air vent (8) link up hydro-cylinder air chamber (6) and nitrogen cylinder cavity (7), and the bottom surface of piston (5) of hydraulic cylinder (4) then links to each other with piston rod (17), the bottom of piston rod (17) then links to each other with the hammer block of breaking hammer.
Description
Technical Field
The utility model relates to the field of engineering machinery, in particular to a heavy breaking hammer power mechanism.
Background
The heavy breaking hammer is one kind of engineering machinery and has hydraulic cylinder to drive the hammer head to lift for beating. In a power mechanism of a traditional heavy breaking hammer, a valve body of the power mechanism is of a cuboid structure, and the valve body is required to be mounted on a bracket through bolts, and then the bracket is connected with a middle cylinder body. This conventional structure has the following problems: the bolt connecting the valve body and the bracket is easy to loosen due to vibration when the breaking hammer works; the sealing sleeve is installed from the lower part and needs to be fixed through bolts, and when the breaking hammer works, the bolts are easy to loosen under the action of impact vibration load; the bracket has large welding workload and low production efficiency, and the welding seam is easy to crack due to vibration when the breaking hammer works; in order to install the valve and the hydraulic rubber tube on the valve body, an installation hole is required to be formed in the middle cylinder body; in order to exhaust or suck the air in the middle cylinder body when the hammer body moves up and down, the middle cylinder body is required to be provided with an air inlet and outlet hole. Under the action of vibration impact load of the breaking hammer, fatigue cracks are easy to appear at the opening of the middle cylinder body. When the accumulator with the traditional structure is maintained, a circle of bolts of the middle cylinder body are required to be detached, and the maintenance is inconvenient. There is thus a need for a method or apparatus that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides the heavy breaking hammer power mechanism which is simple in structure, ingenious in design and reasonable in layout, and can prevent looseness among all parts and improve the reliability of products.
The technical scheme of the utility model is as follows: a heavy quartering hammer power unit which characterized in that: the power mechanism comprises a middle cylinder body 1, a valve body 2 is arranged at the top of an inner cavity of the middle cylinder body 1, a nitrogen cylinder 3 is also arranged on the top end surface of the middle cylinder body 1, a hydraulic cylinder 4 is arranged in the nitrogen cylinder 3, a cylinder air chamber 6 is arranged above a piston 5 of the hydraulic cylinder 4, a nitrogen cylinder chamber 7 is arranged between the nitrogen cylinder 3 and the outer wall of the hydraulic cylinder 4, an air vent 8 is arranged at the top end of the hydraulic cylinder 4, the air vent 8 communicates the cylinder air chamber 6 with the nitrogen cylinder chamber 7, the bottom end surface of a piston 5 of the hydraulic cylinder 4 is connected with a piston rod 17, the bottom end of the piston rod 17 is connected with a hammer body of a breaking hammer,
an oil inlet and outlet pipeline 9 communicated with the inner cavity of the hydraulic oil cylinder 4 is arranged in the valve body 2, the tail end of the oil inlet and outlet pipeline 9 is connected with a reversing valve 10, one interface of the reversing valve 10 is connected with a low-pressure energy accumulator 11 arranged in the valve body 2 through a pipeline, the low-pressure energy accumulator 11 is connected with an oil tank in a pump station through an oil return pipeline 12, the other interface of the reversing valve 10 is connected with a high-pressure energy accumulator 13 arranged in the valve body 2 through a pipeline, the high-pressure energy accumulator 13 is connected with an oil pump in the pump station through an oil inlet pipeline 14,
an air inlet and outlet channel 15 is also arranged on the valve body 2, the air inlet and outlet channel 15 connects the inner cavity of the middle cylinder body 1 with the outside atmosphere,
the valve body 2 and the middle cylinder body 1 are connected with each other through a plurality of bolts uniformly distributed in the circumferential direction.
A sealing sleeve 16 matched with the piston rod 17 is arranged in the valve body 2.
Compared with the prior art, the utility model has the following advantages:
the heavy breaking hammer power mechanism in the structural form is simple in structure, ingenious in design and reasonable in layout, various problems existing in the traditional breaking hammer power part are solved, the special structure is designed, the bracket is omitted, the valve body is directly subjected to targeted improvement on the shape of the valve body and is fixedly connected with the middle cylinder body, the working procedure is saved, the whole structure is more compact, and due to the fact that a larger installation space is formed, more bolts with larger specifications can be selected for connection, and accordingly the problem that looseness occurs between the valve body and the middle cylinder body under the working condition of vibration is avoided. And it utilizes the nitrogen gas that stores in the nitrogen gas jar to realize the storage of energy, cooperates with low pressure energy storage ware and high pressure energy storage ware to realize quick lifting quartering hammer and additionally exert power to it when the quartering hammer falls, let it obtain bigger kinetic energy. The power mechanism has the advantages of simple manufacturing process and low manufacturing cost, and is particularly suitable for popularization and application in the field and has very broad market prospect.
Drawings
Fig. 1 is a front view of an embodiment of the present utility model.
Fig. 2 is a top view of an embodiment of the present utility model.
Detailed Description
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings. As shown in fig. 1 and 2: the heavy breaking hammer power mechanism comprises a middle cylinder body 1, wherein a valve body 2 is arranged at the top of an inner cavity of the middle cylinder body 1, a nitrogen cylinder 3 is also arranged on the top end surface of the middle cylinder body 1, a hydraulic cylinder 4 is arranged in the nitrogen cylinder 3, a cylinder air chamber 6 is arranged above a piston 5 of the hydraulic cylinder 4, a nitrogen cylinder chamber 7 is arranged between the nitrogen cylinder 3 and the outer wall of the hydraulic cylinder 4, an air vent 8 is arranged at the top end of the hydraulic cylinder 4, the air vent 8 is used for communicating the cylinder air chamber 6 with the nitrogen cylinder chamber 7, the bottom end surface of the piston 5 of the hydraulic cylinder 4 is connected with a piston rod 17, the bottom end of the piston rod 17 is connected with a hammer body of the breaking hammer,
an oil inlet and outlet pipeline 9 communicated with the inner cavity of the hydraulic oil cylinder 4 is arranged in the valve body 2, the tail end of the oil inlet and outlet pipeline 9 is connected with a reversing valve 10, one interface of the reversing valve 10 is connected with a low-pressure energy accumulator 11 arranged in the valve body 2 through a pipeline, the low-pressure energy accumulator 11 is connected with an oil tank in a pump station through an oil return pipeline 12, the other interface of the reversing valve 10 is connected with a high-pressure energy accumulator 13 arranged in the valve body 2 through a pipeline, the high-pressure energy accumulator 13 is connected with an oil pump in the pump station through an oil inlet pipeline 14,
an air inlet and outlet channel 15 is also arranged on the valve body 2, and the air inlet and outlet channel 15 connects the inner cavity of the middle cylinder body 1 with the outside atmosphere.
The valve body 2 and the middle cylinder body 1 are connected with each other through a plurality of bolts uniformly distributed in the circumferential direction.
A sealing sleeve 16 matched with the piston rod 17 is arranged in the valve body 2.
The working process of the heavy breaking hammer power mechanism provided by the embodiment of the utility model is as follows: when the breaking hammer is required to be lifted, a control system is used for controlling a pump station and a reversing valve 10 in the mechanism to work, at the moment, the reversing valve 10 is switched to a state of conducting an oil inlet pipeline 14 with the inner cavity of the hydraulic cylinder 4, an oil pump in the pump station pumps hydraulic oil to a high-pressure energy accumulator 13 through the oil inlet pipeline 14 and enters the inner cavity of the hydraulic cylinder 4 after passing through the reversing valve 10, a piston 5 drives a piston rod 17 to lift, and the piston rod 17 lifts a hammer body of the breaking hammer to a high position; in the process, the piston 5 moves upwards, nitrogen in the cylinder air chamber 6 enters the nitrogen cylinder chamber 7 through the vent hole 8, and the air pressure of the nitrogen is increased as the volume of a cavity where the nitrogen is located is reduced, and the nitrogen with a certain pressure is stored in the nitrogen cylinder chamber 7;
when the breaking hammer needs to realize downward striking action, the control system controls the reversing valve 10 to act, the reversing valve 10 is switched to a state of conducting the oil return pipeline 12 with the inner cavity of the hydraulic oil cylinder 4, and because the oil pressure of the inner cavity of the hydraulic oil cylinder 4 is relatively large, hydraulic oil in the reversing valve can return to an oil tank of a pump station through the oil return pipeline 12, and in the process of flowing the hydraulic oil, the hydraulic oil firstly enters the low-pressure energy accumulator 11, and the low-pressure energy accumulator 11 can play a role of buffering to prevent the hydraulic oil from impacting the pump station and a connecting pipeline; in the process, nitrogen in a high-pressure state enters the cylinder air chamber 6 from the nitrogen cylinder chamber 7 through the air hole 8, a downward force is applied to the piston 5, and the pressure and the dead weight of the breaking hammer act together, so that the kinetic energy of the breaking hammer is improved, and the working efficiency is improved;
when the reversing valve 10 is switched, the oil return pipeline 12 is communicated with the hydraulic oil cylinder 4, one path of the oil inlet pipeline 14 is closed, but an oil pump in a pump station still works, and the hydraulic oil is pumped into the high-pressure energy accumulator 13, namely a certain amount of high-pressure hydraulic oil can be stored in the high-pressure energy accumulator 13 in the process of downward beating of the breaking hammer;
when the reversing valve 10 is switched again, the high-pressure oil in the high-pressure accumulator 13 and the hydraulic oil pumped by the pump station are input into the hydraulic cylinder 4 together, so that the purpose of quickly lifting the breaking hammer is achieved.
Claims (2)
1. A heavy quartering hammer power unit which characterized in that: the power mechanism comprises a middle cylinder body (1), a valve body (2) is arranged at the top of an inner cavity of the middle cylinder body (1), a nitrogen cylinder (3) is further arranged on the top end face of the middle cylinder body (1), a hydraulic cylinder (4) is arranged in the nitrogen cylinder (3), an oil cylinder air chamber (6) is arranged above a piston (5) of the hydraulic cylinder (4), a nitrogen cylinder chamber (7) is arranged between the nitrogen cylinder (3) and the outer wall of the hydraulic cylinder (4), an air vent (8) is arranged at the top end of the hydraulic cylinder (4), the air vent (8) is used for communicating the oil cylinder air chamber (6) with the nitrogen cylinder chamber (7), the bottom end face of the piston (5) of the hydraulic cylinder (4) is connected with a piston rod (17), the bottom end of the piston rod (17) is connected with a hammer body of the breaking hammer,
an oil inlet and outlet pipeline (9) communicated with the inner cavity of the hydraulic oil cylinder (4) is arranged in the valve body (2), the tail end of the oil inlet and outlet pipeline (9) is connected with a reversing valve (10), one interface of the reversing valve (10) is connected with a low-pressure energy accumulator (11) arranged in the valve body (2) through a pipeline, the low-pressure energy accumulator (11) is connected with an oil tank in a pump station through an oil return pipeline (12), the other interface of the reversing valve (10) is connected with a high-pressure energy accumulator (13) arranged in the valve body (2) through a pipeline, the high-pressure energy accumulator (13) is connected with an oil pump in the pump station through an oil inlet pipeline (14),
an air inlet and outlet channel (15) is further formed in the valve body (2), and the air inlet and outlet channel (15) connects the inner cavity of the middle cylinder body (1) with the outside atmosphere;
the valve body (2) and the middle cylinder body (1) are connected with each other through a plurality of bolts which are uniformly distributed in the circumferential direction.
2. A heavy breaking hammer power mechanism according to claim 1, characterized in that: a sealing sleeve (16) matched with the piston rod (17) is arranged in the valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320458741.9U CN219527783U (en) | 2023-03-13 | 2023-03-13 | Heavy breaking hammer power mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320458741.9U CN219527783U (en) | 2023-03-13 | 2023-03-13 | Heavy breaking hammer power mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219527783U true CN219527783U (en) | 2023-08-15 |
Family
ID=87632836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320458741.9U Active CN219527783U (en) | 2023-03-13 | 2023-03-13 | Heavy breaking hammer power mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219527783U (en) |
-
2023
- 2023-03-13 CN CN202320458741.9U patent/CN219527783U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101748730B (en) | Multi-function closed cylinder type hydraulic piling hammer | |
| CN104314527B (en) | A kind of oil production method of the hydraulic pumping unit of use power-assisted oil cylinder | |
| CN219527783U (en) | Heavy breaking hammer power mechanism | |
| KR20090041823A (en) | Automatic control system for hydaulic braeaker | |
| CN201728317U (en) | High frequency full-hydraulic electrohydraulic hammer | |
| CN202431468U (en) | Plunger pump with simple structure | |
| CN105019455A (en) | Inner impact type pipe-driven pile hammer | |
| CN212318413U (en) | Control device for air-hammer-preventing breaking hammer | |
| CN113969923A (en) | Oil cylinder stress application device and stress application method thereof | |
| CN212130922U (en) | Hydraulic hammer thrust augmentation device | |
| CN112695833A (en) | Horizontal-arranged combined energy-saving hydraulic cylinder and energy-saving engineering machinery | |
| CN201779089U (en) | Double-storage inner/outer plunger cylinder | |
| CN219412880U (en) | Integrated pneumatic energy-saving booster oil pump | |
| CN2888074Y (en) | Double-piston hydraulic breaking hammer | |
| CN111173785A (en) | Hydraulic hammer stress application device and control method | |
| CN218598497U (en) | Energy-saving efficient hydraulic hammer forging machine | |
| CN2712499Y (en) | Static pressure die forging hammer | |
| CN203239683U (en) | Cylinder in plunger-type hydraulic cylinder | |
| CN2398441Y (en) | Pneumatic energy-saving beam type energy-saving beam-pumping unit | |
| CN219795717U (en) | Hydraulic system of hydraulic pumping unit | |
| CN216381331U (en) | Motor auxiliary device for oil pumping unit | |
| CN212297068U (en) | Hydraulic system for movable arm of excavator | |
| CN2524866Y (en) | Full hydraulic drop hammer | |
| CN218266309U (en) | Pneumatic energy-saving booster oil pump | |
| CN201679665U (en) | Hydraulic pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |