CN220100052U - Novel heavy quartering hammer cylinder body assembly - Google Patents
Novel heavy quartering hammer cylinder body assembly Download PDFInfo
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- CN220100052U CN220100052U CN202321577019.3U CN202321577019U CN220100052U CN 220100052 U CN220100052 U CN 220100052U CN 202321577019 U CN202321577019 U CN 202321577019U CN 220100052 U CN220100052 U CN 220100052U
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000003921 oil Substances 0.000 claims description 102
- 229910052757 nitrogen Inorganic materials 0.000 claims description 27
- 239000010720 hydraulic oil Substances 0.000 claims description 25
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 5
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a novel heavy breaking hammer upper cylinder body assembly, which comprises an upper cylinder body (2) sleeved in a middle cylinder body (1), and is characterized in that: the bottom of going up cylinder body (2) is provided with base (20), and the base (20) is supported together with the upper cover of last cylinder body (2) between have nitrogen gas cylinder body (3) that are located cylinder body (2) center department, be provided with hydro-cylinder (4) in nitrogen gas cylinder body (3), be provided with intermediate layer chamber (5) between hydro-cylinder (4) and nitrogen gas cylinder body (3), swing joint has piston (6) in hydro-cylinder (4), and then links to each other with piston rod (7) in hydro-cylinder (4) the bottom of piston (6), and part above piston (6) is nitrogen gas chamber (8), and the below is oil pocket (9), nitrogen gas chamber (8) are through seting up passageway and intermediate layer chamber (5) intercommunication each other on hydro-cylinder (4) lateral wall, and oil pocket (9) are then are linked together with advance oil line (10).
Description
Technical Field
The utility model relates to the field of engineering machinery, in particular to a novel upper cylinder body assembly of a heavy breaking hammer.
Background
The heavy breaking hammer is an engineering machine, is widely applied to construction of infrastructure such as roads and bridges, a hammer body in the heavy breaking hammer is driven by an oil cylinder, the oil cylinder lifts the hammer body to a high position, then the hammer body falls down, and the hammer body hits a target and breaks the target. However, the conventional heavy breaking hammer has the following problems in use: firstly, in order to lift the hammer body, hydraulic oil needs to be injected into the oil cylinder, but the speed of the hydraulic oil entering the oil cylinder is relatively slow due to the power limit of a pump station system, so that the lifting process of the hammer body is relatively long, and the working efficiency is affected; secondly, the hammer falls naturally, hydraulic oil in the oil cylinder can pass through a pipeline meal rail pump station system at extremely high speed in the process, a certain impact is caused on the pipeline and the pump station system in the process of moving the hydraulic oil, and after long-time working, the pipeline can be damaged or even leaked, so that the reliability of the heavy breaking hammer is affected;
meanwhile, in order to prevent the oil cylinder from being impacted in the repeated beating process of the hammer body, a mechanism capable of playing a buffering role is arranged for the oil cylinder, nitrogen is filled in the inner cavity of the mechanism, and the nitrogen can enter the buffering cavity of the oil cylinder (or be discharged from the buffering cavity) through a pipeline, so that the aim of protecting the oil cylinder is fulfilled. The buffer mechanism in the traditional heavy breaking hammer structure needs to be arranged independently, not only occupies space, but also needs to consider how to run when designing, and brings certain trouble to the design and production of the heavy breaking hammer.
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 defects in the prior art, and provides the heavy breaking hammer cylinder body assembly which is simple in structure, ingenious in design and reasonable in layout, and can prevent an oil circuit system from being impacted by hydraulic oil while improving the working efficiency.
The technical scheme of the utility model is as follows: the utility model provides a novel heavy quartering hammer goes up cylinder body subassembly, includes the last cylinder body 2 of cup jointing in well cylinder body 1, its characterized in that: the bottom of the upper cylinder body 2 is provided with a base 20, a nitrogen cylinder body 3 positioned at the center of the upper cylinder body 2 is supported between the base 20 and the upper cover of the upper cylinder body 2, an oil cylinder 4 is arranged in the nitrogen cylinder body 3, an interlayer cavity 5 is arranged between the oil cylinder 4 and the nitrogen cylinder body 3, a piston 6 is movably connected in the oil cylinder 4, the bottom end of the piston 6 is connected with a piston rod 7, in the oil cylinder 4, the part above the piston 6 is a nitrogen cavity 8, the lower part is an oil cavity 9, the nitrogen cavity 8 is communicated with the interlayer cavity 5 through a channel arranged on the side wall of the oil cylinder 4, the oil cavity 9 is communicated with an oil inlet and outlet pipeline 10,
the top of the upper cylinder 2 is also provided with a first electromagnetic valve 11 and a second electromagnetic valve 12,
the inlet end of the first electromagnetic valve 11 is communicated with the inner cavity of the high-pressure accumulator 13 and the oil inlet pipeline 14 through a tee joint, the outlet end of the first electromagnetic valve 11 is connected with the inlet end of the second electromagnetic valve 12 through a connecting pipeline 15, the high-pressure accumulator 13 is arranged in the upper cylinder body 2 between the base 20 and the first electromagnetic valve 11,
the inlet end of the second electromagnetic valve 12 is communicated with the oil inlet and outlet pipeline 10, meanwhile, an oil supplementing one-way pipeline 16 is arranged between the inlet end and the outlet end of the second electromagnetic valve 12, a one-way valve 17 is arranged in the oil supplementing one-way pipeline 16, the outlet end of the second electromagnetic valve 12 is connected with an oil outlet pipeline 18, a low-pressure energy accumulator 19 positioned between the base 20 and the second electromagnetic valve 12 is also arranged in the upper cylinder body 2, and the port of the low-pressure energy accumulator 19 is communicated with the oil supplementing one-way pipeline 16.
The high-pressure accumulator 13 and the low-pressure accumulator 19 are both piston accumulators, and the hydraulic oil end of the high-pressure accumulator 13 is located at a side close to the first electromagnetic valve 11, and the hydraulic oil end of the low-pressure accumulator 19 is located at a side close to the second electromagnetic valve 12.
Compared with the prior art, the utility model has the following advantages:
the novel heavy breaking hammer upper cylinder body assembly in the structural form is simple in structure, ingenious in design and reasonable in layout, and aims at various problems of the traditional heavy breaking hammer, a special structure is designed, a high-pressure energy accumulator and a low-pressure energy accumulator are arranged for an oil cylinder for driving a hammer body to act, the high-pressure energy accumulator can supplement oil pressure in an oil inlet process, hydraulic oil is injected into the oil cylinder together with an oil inlet pipeline when needed, and the lifting speed of the hammer body can be effectively improved; the low-pressure energy accumulator can contain a part of hydraulic oil extruded when the hammer body falls down rapidly, so that impact of the hydraulic oil on a pipeline and a pump station system is reduced, and an oil way is protected; meanwhile, the buffer mechanism of the oil cylinder is designed again, the buffer mechanism is integrated into a nitrogen cylinder body arranged outside the oil cylinder, and an interlayer space between the nitrogen cylinder body and the oil cylinder can serve as the buffer mechanism, so that the whole structure is more compact and reasonable. And the middle cylinder body in the cylinder body assembly does not need to be perforated (such as an oil inlet cartridge valve, an oil inlet rubber pipe installation and overhaul hole, an oil discharge cartridge valve, an oil discharge rubber pipe installation and overhaul hole and other holes in the traditional structure), so that the continuity of the middle cylinder body structure is ensured, and the risk of cracking of the middle cylinder body is greatly reduced. The upper cylinder assembly has various advantages, is particularly suitable for popularization and application in the field, and has very broad market prospect.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
The device comprises a middle cylinder body 1, an upper cylinder body 2, a nitrogen cylinder body 3, an oil cylinder 4, an interlayer cavity 5, a piston 6, a piston rod 7, a nitrogen cavity 8, an oil cavity 9, an oil inlet and outlet pipeline 10, a first electromagnetic valve 11, a second electromagnetic valve 12, a high-pressure energy accumulator 13, an oil inlet pipeline 14, a connecting pipeline 15, an oil supplementing one-way pipeline 16, a one-way valve 17, an oil outlet pipeline 18, a low-pressure energy accumulator 19 and a base 20.
Detailed Description
The following description of the embodiments of the utility model refers to the accompanying drawings, in which: as shown in fig. 1, a novel heavy breaking hammer upper cylinder assembly comprises an upper cylinder 2 sleeved in a middle cylinder 1, and is characterized in that: the bottom of the upper cylinder body 2 is provided with a base 20, a nitrogen cylinder body 3 positioned at the center of the upper cylinder body 2 is supported between the base 20 and the upper cover of the upper cylinder body 2, an oil cylinder 4 is arranged in the nitrogen cylinder body 3, an interlayer cavity 5 is arranged between the oil cylinder 4 and the nitrogen cylinder body 3, a piston 6 is movably connected in the oil cylinder 4, the bottom end of the piston 6 is connected with a piston rod 7, in the oil cylinder 4, the part above the piston 6 is a nitrogen cavity 8, the lower part is an oil cavity 9, the nitrogen cavity 8 is communicated with the interlayer cavity 5 through a channel arranged on the side wall of the oil cylinder 4, the oil cavity 9 is communicated with an oil inlet and outlet pipeline 10,
the top of the upper cylinder 2 is also provided with a first electromagnetic valve 11 and a second electromagnetic valve 12,
the inlet end of the first electromagnetic valve 11 is communicated with the inner cavity of the high-pressure accumulator 13 and the oil inlet pipeline 14 through a tee joint, the outlet end of the first electromagnetic valve 11 is connected with the inlet end of the second electromagnetic valve 12 through a connecting pipeline 15, the high-pressure accumulator 13 is arranged in the upper cylinder body 2 between the base 20 and the first electromagnetic valve 11,
the inlet end of the second electromagnetic valve 12 is communicated with the oil inlet and outlet pipeline 10, meanwhile, an oil supplementing one-way pipeline 16 is arranged between the inlet end and the outlet end of the second electromagnetic valve 12, a one-way valve 17 is arranged in the oil supplementing one-way pipeline 16, the outlet end of the second electromagnetic valve 12 is connected with an oil outlet pipeline 18, a low-pressure energy accumulator 19 positioned between the base 20 and the second electromagnetic valve 12 is also arranged in the upper cylinder body 2, and the port of the low-pressure energy accumulator 19 is communicated with the oil supplementing one-way pipeline 16.
The high-pressure accumulator 13 and the low-pressure accumulator 19 are both piston accumulators, and the hydraulic oil end of the high-pressure accumulator 13 is located at a side close to the first electromagnetic valve 11, and the hydraulic oil end of the low-pressure accumulator 19 is located at a side close to the second electromagnetic valve 12.
The working process of the novel upper cylinder body assembly of the heavy breaking hammer provided by the embodiment of the utility model is as follows: in the initial state, the first electromagnetic valve 11 is in a closed state, a signal is sent to a pump station through a control system, an oil pump in the pump station works, oil is supplied to the first electromagnetic valve 11 through an oil inlet pipeline 14, hydraulic oil directly enters the high-pressure energy accumulator 13 because the first electromagnetic valve 11 is closed at the moment, and after a period of time, the oil pressure in the high-pressure energy accumulator 13 reaches a preset standard, the oil supply is stopped, and the preparation work is finished;
when the hammer body needs to be lifted, a signal is sent to a pump station through a control system, an oil pump in the pump station works, meanwhile, the control system also controls the first electromagnetic valve 11 to be opened (the second electromagnetic valve 12 is in a closed state), at the moment, the oil inlet pipeline 14 and the high-pressure energy accumulator 13 simultaneously supply oil to the connecting pipeline 15, hydraulic oil enters the inner cavity of the oil cylinder 4 through the oil inlet and outlet pipeline 10, the piston 6 is pushed to drive the piston rod 7 to move upwards, and the purpose of lifting the hammer body connected to the bottom end of the piston rod 7 is achieved;
in the process of oil feeding of the oil cylinder 4, the oil feeding pipeline 14 and the high-pressure energy accumulator 13 are used for simultaneously feeding oil, so that the oil feeding speed can be effectively improved, and the lifting speed of a hammer body is further improved; in the ascending process of the piston 6, the volume of the nitrogen cavity 8 of the piston 6 is gradually reduced, nitrogen in the nitrogen cavity is pushed into the interlayer cavity 5 by the piston 6, and the pressure of the nitrogen is increased along with the continuous reduction of the space for containing the nitrogen, namely, the nitrogen can play a role in buffering in the rapid ascending process of the piston 6, so that the piston 6 is prevented from colliding with the top end cover of the oil cylinder 4, and the effect of protecting the oil cylinder 4 is achieved;
when the hammer body moves to the limit position at the high position and needs to be hit downwards, the control system controls the first electromagnetic valve 11 to be closed, the second electromagnetic valve 12 to be opened, under the action of gravity, the hammer body naturally falls, the piston 6 is driven to quickly descend in the falling process, hydraulic oil in the oil cavity 9 is extruded when the piston 6 descends, the hydraulic oil reversely flows through the oil inlet and outlet pipeline 10, part of the hydraulic oil directly returns to a pump station through the oil outlet pipeline 18, and part of the hydraulic oil enters the low-pressure accumulator 19, and as the low-pressure accumulator 19 can contain part of the hydraulic oil, the impact of the hydraulic oil on the oil outlet pipeline 18 and joints thereof can be effectively prevented, an oil way system is protected, and the problem of the oil way system is prevented; when the first electromagnetic valve 11 is closed, hydraulic oil in the pump station enters the high-pressure accumulator 13 again to charge the high-pressure accumulator;
when the hammer body needs to be lifted again, the control system controls the second electromagnetic valve 12 to be closed, the first electromagnetic valve 11 is opened, the piston 6 moves according to the process, and when the first electromagnetic valve 11 is closed again (meanwhile, the second electromagnetic valve 12 is opened), the piston 5 still continues to move upwards for a small distance under the action of inertia, the volume of the oil cavity 9 changes, but at the moment, the oil inlet end is closed, so that at the moment, the oil pressure in the oil cavity 9 is reduced, the hydraulic oil in the low-pressure accumulator 19 pushes the one-way valve 17 open, and the hydraulic oil is supplied to the oil cavity 9 through the oil supplementing one-way pipeline 16, so that the oil pressure of the oil cylinder 4 is provided.
The control system controls the two electromagnetic valves to repeatedly act according to the mode, and finally, the control of lifting, falling striking, lifting again and falling striking again of the hammer body is realized.
Claims (2)
1. The utility model provides a novel heavy quartering hammer goes up cylinder body subassembly, includes upper cylinder body (2) of cup jointing in well cylinder body (1), its characterized in that: the bottom of the upper cylinder body (2) is provided with a base (20), a nitrogen cylinder body (3) positioned at the center of the upper cylinder body (2) is supported between the base (20) and an upper cover of the upper cylinder body (2), an oil cylinder (4) is arranged in the nitrogen cylinder body (3), an interlayer cavity (5) is arranged between the oil cylinder (4) and the nitrogen cylinder body (3), a piston (6) is movably connected in the oil cylinder (4), the bottom end of the piston (6) is connected with a piston rod (7), in the oil cylinder (4), the nitrogen cavity (8) is arranged above the piston (6), an oil cavity (9) is arranged below the piston, the nitrogen cavity (8) is mutually communicated with the interlayer cavity (5) through a channel arranged on the side wall of the oil cylinder (4), and the oil cavity (9) is communicated with an oil inlet and outlet pipeline (10),
the top of the upper cylinder body (2) is also provided with a first electromagnetic valve (11) and a second electromagnetic valve (12),
the inlet end of the first electromagnetic valve (11) is communicated with the inner cavity of the high-pressure accumulator (13) and the oil inlet pipeline (14) through a tee joint, the outlet end of the first electromagnetic valve (11) is connected with the inlet end of the second electromagnetic valve (12) through a connecting pipeline (15), the high-pressure accumulator (13) is arranged in the upper cylinder body (2) between the base (20) and the first electromagnetic valve (11),
the inlet end of the second electromagnetic valve (12) is communicated with the oil inlet and outlet pipeline (10), an oil supplementing one-way pipeline (16) is arranged between the inlet end and the outlet end of the second electromagnetic valve (12), a one-way valve (17) is arranged in the oil supplementing one-way pipeline (16), the outlet end of the second electromagnetic valve (12) is connected with the oil outlet pipeline (18), a low-pressure energy accumulator (19) arranged between the base (20) and the second electromagnetic valve (12) is further arranged in the upper cylinder body (2), and the port of the low-pressure energy accumulator (19) is communicated with the oil supplementing one-way pipeline (16).
2. The novel heavy-duty breaking hammer cylinder assembly of claim 1, wherein: the high-pressure energy accumulator (13) and the low-pressure energy accumulator (19) are both piston-type energy accumulators, the hydraulic oil end of the high-pressure energy accumulator (13) is located at one side close to the first electromagnetic valve (11), and the hydraulic oil end of the low-pressure energy accumulator (19) is located at one side close to the second electromagnetic valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577019.3U CN220100052U (en) | 2023-06-20 | 2023-06-20 | Novel heavy quartering hammer cylinder body assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577019.3U CN220100052U (en) | 2023-06-20 | 2023-06-20 | Novel heavy quartering hammer cylinder body assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220100052U true CN220100052U (en) | 2023-11-28 |
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ID=88869258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321577019.3U Active CN220100052U (en) | 2023-06-20 | 2023-06-20 | Novel heavy quartering hammer cylinder body assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220100052U (en) |
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2023
- 2023-06-20 CN CN202321577019.3U patent/CN220100052U/en active Active
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