CN220118425U - Hydraulic cylinder for hydraulic pile hammer - Google Patents
Hydraulic cylinder for hydraulic pile hammer Download PDFInfo
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- CN220118425U CN220118425U CN202321478622.6U CN202321478622U CN220118425U CN 220118425 U CN220118425 U CN 220118425U CN 202321478622 U CN202321478622 U CN 202321478622U CN 220118425 U CN220118425 U CN 220118425U
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- oil
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 abstract description 62
- 239000010720 hydraulic oil Substances 0.000 abstract description 28
- 230000002457 bidirectional effect Effects 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to the technical field of building construction equipment, in particular to a hydraulic cylinder for a hydraulic pile hammer, which comprises a main body, wherein a cavity is formed in the main body, the upper surface of the main body is fixedly connected with a base, a first circular groove is formed in the side surface of the base, which is close to the main body, of the main body, an oil conveying mechanism is arranged on the outer surface of the main body and comprises a bidirectional oil pump, the bidirectional oil pump is fixedly connected with the outer surface of the main body, and the output end of the bidirectional oil pump is fixedly connected with a first oil conveying pipe. The oil delivery channel has been seted up to the inside of base, and oil delivery channel and the one end fixed connection of first oil delivery pipe, the input fixedly connected with second oil delivery pipe of two-way oil pump, and the oil delivery mouth has been seted up to the surface of main part, and oil delivery mouth and the one end fixed connection of second oil delivery pipe. The utility model can realize the high-efficiency utilization of hydraulic oil and reduce the loss.
Description
Technical Field
The utility model relates to the technical field of building construction equipment, in particular to a hydraulic cylinder for a hydraulic pile hammer.
Background
The pile hammer is mainly applied to pile working machinery of the pipe pile. The application range of the pile foundation construction method comprises pile foundation construction actions of offshore oil platforms, bridges, buildings, wharfs and the like. Along with the continuous progress of modern science and technology, piling machinery is developed from the most original drop hammer to a hammer and a diesel hammer, and finally to a hydraulic piling hammer widely applied at present.
The operation mode of the hydraulic pile hammer is to control the hydraulic oil to be input or output in the hydraulic cylinder barrel, so that the hydraulic oil pressure is utilized to enable the piston to rise or fall, the pile hammer can perform pile driving operation, in the prior art, when the hydraulic oil is used, after the hydraulic oil is output from the hydraulic cylinder, the hydraulic oil is affected by external environment, the hydraulic oil is easy to be polluted, the utilization rate of the hydraulic oil is reduced, and the loss of the hydraulic oil is improved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a hydraulic cylinder for a hydraulic pile hammer.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pneumatic cylinder for hydraulic pile hammer, includes the main part, the cavity has been seted up to the inside of main part, the last fixed surface of main part is connected with the base, first circular slot has been seted up to the side that the base is close to the main part, the surface mounting of main part has oil conveying mechanism, the internally mounted of cavity has the piston, buffer gear is installed to the top of piston, oil conveying mechanism includes two-way oil pump, the surface fixed connection of two-way oil pump and main part, the first oil pipe of output fixedly connected with of two-way oil pump, the oil transportation passageway has been seted up to the inside of base, the one end fixed connection of oil transportation passageway and first oil pipe, the input fixedly connected with second oil pipe of two-way oil pump, the oil transportation mouth has been seted up to the surface of main part, the one end fixed connection of oil transportation mouth and second oil pipe.
As a further description of the above technical solution:
the buffer mechanism comprises a second circular groove, the second circular groove is positioned on the upper surface of the piston, square grooves are formed in the second circular groove, and the number of the square grooves is two.
As a further description of the above technical solution:
the movable rod is arranged in the second circular groove, the movable blocks are fixedly connected to the outer surface of the movable rod, the number of the movable blocks is two, and the two movable blocks are respectively and movably connected with the two square grooves.
As a further description of the above technical solution:
the surface cover that the movable rod kept away from the second circular slot is equipped with the spring, the one end fixedly connected with fixed block that the movable rod kept away from the second circular slot.
As a further description of the above technical solution:
the piston is characterized in that first annular grooves are formed in the outer surface of the piston, the number of the first annular grooves is two, first sealing rings are arranged in the two first annular grooves, and a piston rod is fixedly connected to the lower surface of the piston.
As a further description of the above technical solution:
the lower surface fixedly connected with annular connecting seat of main part, the second ring channel has been seted up to the inside wall of annular connecting seat, the quantity of second ring channel is two, two the inside of second ring channel all is provided with the second sealing washer.
The utility model has the following beneficial effects:
compared with the prior art, this hydraulic cylinder for hydraulic pile hammer, through first oil pipe, two-way oil pump, second oil pipe, carry hydraulic oil into the latter half through two-way oil pump after the hydraulic oil of latter half exports, can make the piston rod rise, carry hydraulic oil into the latter half through two-way oil pump after the hydraulic oil of latter half exports, can make the piston rod descend, compare in the prior art, hydraulic oil receives external environment influence easily in the use, thereby by the pollution, this hydraulic cylinder for hydraulic pile hammer can realize the upper and lower transfer of hydraulic oil through two-way oil pump when using, make hydraulic oil use under the circumstances of external environment not contacting, improve the utilization ratio of hydraulic oil, reduce loss.
Compared with the prior art, the hydraulic cylinder for the hydraulic pile hammer is characterized in that the spring, the movable rod and the fixed block are used, when the piston ascends to the top, the fixed block is contacted with the top surface in advance, the elasticity of the spring is increased in the continuous ascending process, the ascending of the piston is blocked to a certain extent, the piston can be buffered to a certain extent through the elasticity of the spring, the piston is prevented from being in direct contact with the top surface, and therefore the piston is damaged, and the use of the hydraulic cylinder is affected.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a hydraulic cylinder for a hydraulic pile hammer according to the present utility model;
FIG. 2 is a cross-sectional view of a hydraulic cylinder for a hydraulic pile hammer according to the present utility model;
fig. 3 is an enlarged view of a structure of a position a of a hydraulic cylinder for a hydraulic pile hammer according to the present utility model;
fig. 4 is an enlarged view of a B-position structure of a hydraulic cylinder for a hydraulic pile hammer according to the present utility model.
Legend description:
1. a main body; 101. a cavity; 102. a base; 103. a first circular groove; 2. an oil delivery mechanism; 201. a bidirectional oil pump; 202. a first oil delivery pipe; 203. an oil delivery passage; 204. the second oil delivery pipe; 205. an oil delivery port; 3. a piston; 301. a first annular groove; 4. a buffer mechanism; 401. a second circular groove; 402. a square groove; 403. a movable rod; 404. a movable block; 405. a spring; 406. a fixed block; 5. a first seal ring; 6. a piston rod; 7. an annular connecting seat; 701. a second annular groove; 8. and a second sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a hydraulic cylinder for a hydraulic pile hammer: the novel plastic bottle comprises a main body 1, wherein a cavity 101 is formed in the main body 1, a base 102 is fixedly connected to the upper surface of the main body 1, and a first circular groove 103 is formed in the side surface, close to the main body 1, of the base 102. The outer surface of the main body 1 is provided with an oil conveying mechanism 2, the bidirectional input and output of hydraulic oil are realized through the oil conveying mechanism 2, a piston 3 is arranged in the cavity 101, and the pile hammer can be lifted through the lifting of the piston 3, so that pile driving operation is performed. The buffer mechanism 4 is arranged above the piston 3, and the buffer mechanism 4 can buffer the piston 3 when the piston 3 ascends, so that the protection device cannot be damaged. The oil delivery mechanism 2 comprises a two-way oil pump 201, the two-way oil pump 201 is fixedly connected with the outer surface of the main body 1, the input and output of hydraulic oil at two ends can be realized through the two-way oil pump 201, the output end of the two-way oil pump 201 is fixedly connected with a first oil delivery pipe 202, a channel can be provided for the input and output of the hydraulic oil at the upper half part of the hydraulic cylinder through the first oil delivery pipe 202, and the hydraulic oil can be transferred. An oil delivery channel 203 is formed in the base 102, the oil delivery channel 203 is fixedly connected with one end of the first oil delivery pipe 202, and the upper half part of the hydraulic cylinder can be used for inputting and outputting hydraulic oil through the oil delivery channel 203; the input end of the bidirectional oil pump 201 is fixedly connected with a second oil delivery pipe 204, and the second oil delivery pipe 204 can provide a channel for the input and output of hydraulic oil at the lower half part of the hydraulic cylinder; an oil delivery port 205 is formed in the outer surface of the main body 1, the oil delivery port 205 is fixedly connected with one end of the second oil delivery pipe 204, and the lower half part of the hydraulic cylinder can be used for inputting and outputting hydraulic oil through the oil delivery port 205.
The buffer mechanism 4 comprises a second circular groove 401, the second circular groove 401 is located on the upper surface of the piston 3, square grooves 402 are formed in the second circular groove 401, the number of the square grooves 402 is two, movable rods 403 are mounted in the second circular groove 401, and the springs 405 can be limited at fixed positions through the movable rods 403. The outer surface of the movable rod 403 is fixedly connected with two movable blocks 404, the two movable blocks 404 are respectively and movably connected with the two square grooves 402, and the movable rod 403 is limited on the piston 3 through the movable blocks 404 and the square grooves 402 so as not to be separated. The outer surface cover that the movable rod 403 kept away from second circular slot 401 is equipped with spring 405, can provide certain buffering for piston 3 through the elasticity of spring 405, and the one end fixedly connected with fixed block 406 that the movable rod 403 kept away from second circular slot 401, the position of fixed block 406 corresponds with first circular slot 103, can make fixed block 406 not damaged by the force when rising when piston 3 rises.
The outer surface of the piston 3 is provided with two first annular grooves 301, the two first annular grooves 301 are respectively provided with a first sealing ring 5, the cavity 101 is divided into an upper part and a lower part by the first sealing rings 5, and hydraulic oil is respectively input into the upper part and the lower part, so that the piston 3 can ascend or descend. The lower surface fixedly connected with piston rod 6 of piston 3 can connect the pile hammer through piston rod 6 to drive pile hammer work, the lower surface fixedly connected with annular connecting seat 7 of main part 1, piston rod 6 stretches into in the annular connecting seat 7, makes piston rod 6 can connect the pile hammer. The second ring channel 701 has been seted up to the inside wall of annular connecting seat 7, and the quantity of second ring channel 701 is two, and the inside of two second ring channels 701 all is provided with second sealing washer 8, can avoid hydraulic oil in the pneumatic cylinder to spill through second sealing washer 8, makes the pneumatic cylinder can normally work.
Working principle:
when the hydraulic pile driving device is used, hydraulic oil positioned at the upper half part of the hydraulic cylinder is pumped out through the bidirectional oil pump 201 and is input into the lower half part of the hydraulic cylinder, so that the piston 3 ascends, and the pile driving hammer ascends; hydraulic oil in the lower half of the hydraulic cylinder is pumped out through the bidirectional oil pump 201 and is input into the upper half of the hydraulic cylinder, so that the piston 3 descends, and the pile hammer descends.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a hydraulic cylinder for hydraulic pile hammer, includes main part (1), its characterized in that: cavity (101) have been seted up to the inside of main part (1), the last fixed surface of main part (1) is connected with base (102), first circular groove (103) have been seted up to the side that base (102) is close to main part (1), the surface mounting of main part (1) has defeated oil pipe (2), the internally mounted of cavity (101) has piston (3), buffer gear (4) are installed to the top of piston (3), defeated oil pipe (2) include two-way oil pump (201), the surface fixed connection of two-way oil pump (201) and main part (1), the output fixedly connected with first defeated oil pipe (202) of two-way oil pump (201), defeated oil pipe (203) have been seted up to the inside of base (102), defeated oil pipe (203) and the one end fixed connection of first defeated oil pipe (202), the input fixedly connected with second defeated oil pipe (204) of two-way oil pump (201), defeated oil pipe (205) have been seted up to the surface of main part (1).
2. The hydraulic cylinder for a hydraulic pile hammer according to claim 1, wherein: the buffer mechanism (4) comprises a second circular groove (401), the second circular groove (401) is arranged on the upper surface of the piston (3), square grooves (402) are formed in the second circular groove (401), and the number of the square grooves (402) is two.
3. A hydraulic ram for a hydraulic pile hammer as defined in claim 2, wherein: the movable rod (403) is arranged in the second circular groove (401), movable blocks (404) are fixedly connected to the outer surface of the movable rod (403), the number of the movable blocks (404) is two, and the two movable blocks (404) are respectively and movably connected with the two square grooves (402).
4. A hydraulic ram for a hydraulic pile hammer according to claim 3, wherein: the outer surface of the movable rod (403) far away from the second circular groove (401) is sleeved with a spring (405), and one end of the movable rod (403) far away from the second circular groove (401) is fixedly connected with a fixed block (406).
5. The hydraulic cylinder for a hydraulic pile hammer according to claim 1, wherein: the piston is characterized in that first annular grooves (301) are formed in the outer surface of the piston (3), the number of the first annular grooves (301) is two, first sealing rings (5) are arranged in the first annular grooves (301), and piston rods (6) are fixedly connected to the lower surface of the piston (3).
6. The hydraulic cylinder for a hydraulic pile hammer according to claim 1, wherein: the lower surface fixedly connected with annular connecting seat (7) of main part (1), second ring channel (701) have been seted up to the inside wall of annular connecting seat (7), the quantity of second ring channel (701) is two, two the inside of second ring channel (701) all is provided with second sealing washer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478622.6U CN220118425U (en) | 2023-06-12 | 2023-06-12 | Hydraulic cylinder for hydraulic pile hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478622.6U CN220118425U (en) | 2023-06-12 | 2023-06-12 | Hydraulic cylinder for hydraulic pile hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118425U true CN220118425U (en) | 2023-12-01 |
Family
ID=88914407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321478622.6U Active CN220118425U (en) | 2023-06-12 | 2023-06-12 | Hydraulic cylinder for hydraulic pile hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118425U (en) |
-
2023
- 2023-06-12 CN CN202321478622.6U patent/CN220118425U/en active Active
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