CN111059085A - Integrated energy accumulator device for hydraulic pile hammer - Google Patents
Integrated energy accumulator device for hydraulic pile hammer Download PDFInfo
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- CN111059085A CN111059085A CN201911361777.XA CN201911361777A CN111059085A CN 111059085 A CN111059085 A CN 111059085A CN 201911361777 A CN201911361777 A CN 201911361777A CN 111059085 A CN111059085 A CN 111059085A
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- accumulator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/411—Liquid ports having valve means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/413—Liquid ports having multiple liquid ports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/415—Gas ports
- F15B2201/4155—Gas ports having valve means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
An energy accumulator device for an integrated hydraulic pile hammer comprises a plurality of energy accumulators which are arranged around a hydraulic pile hammer oil cylinder and divided into two groups, a first energy accumulator oil cylinder fixing block, a second energy accumulator oil cylinder fixing block, a connecting cylinder, a first energy accumulator gas communication channel, a second energy accumulator gas communication channel and a first energy accumulator gas integration valve block, wherein the energy accumulators and the oil cylinder are connected with the first energy accumulator oil cylinder fixing block at the upper part and connected with the second energy accumulator oil cylinder fixing block at the lower part, the connecting cylinder is connected between the first energy accumulator oil cylinder fixing block and the second energy accumulator oil cylinder fixing block, in one group of energy accumulators, air cavities are communicated with each other and communicated with the first energy accumulator gas integration valve block through the first energy accumulator gas communication channel, oil cavities are communicated with each other and the oil cylinder through the first hydraulic oil communication channel, in the other group of energy accumulators, the air cavities are communicated with each other and communicated with the second energy accumulator gas integration valve block through the second energy accumulator gas, the oil chambers communicate with each other and with the oil cylinder via a second hydraulic oil communication passage.
Description
Technical Field
The invention relates to the technical field of construction operation equipment, in particular to an energy accumulator device for an integrated hydraulic pile hammer.
Background
The hydraulic pile hammer is a building construction operation device for carrying out pile foundation construction operation by utilizing a hammering pile sinking principle, and has the advantages of large striking energy, high energy utilization rate and wide application. The hydraulic pile hammer lifts and drops the hammer core by means of the oil cylinder, so that the striking process is completed. In order to achieve high striking frequency of the hydraulic pile hammer, an accumulator device is generally required to be provided for the hydraulic pile hammer. However, due to the limited space inside and around the hydraulic pile hammer, it is a technical problem in the art to provide an accumulator device for the hydraulic pile hammer.
Disclosure of Invention
The invention aims to provide an energy accumulator device for an integrated hydraulic pile hammer to solve the technical problems in the prior art. To this end, the invention provides an integrated accumulator arrangement for a hydraulic pile hammer, comprising a plurality of accumulators arranged around a hydraulic pile hammer cylinder, wherein:
the energy accumulators are divided into an energy accumulator group for high-pressure oil supplement and an energy accumulator group for low-pressure voltage stabilization, each energy accumulator in the energy accumulators is in the form of a piston type energy accumulator and comprises an energy accumulator cylinder, an energy accumulator piston, an energy accumulator gas side end cover, an energy accumulator oil side end cover, an energy accumulator air cavity, an energy accumulator oil cavity and an energy accumulator oil side end cover flange, an energy accumulator gas side end cover vent hole communicated with the energy accumulator air cavity is formed in the center of the energy accumulator gas side end cover, an energy accumulator gas side end cover joint is connected with the energy accumulator gas side end cover vent hole in an external mode, an energy accumulator oil side end cover oil through hole communicated with the energy accumulator oil cavity is formed in the center of the energy accumulator oil side end cover, and the energy accumulator oil side end cover flange is installed on the energy accumulator oil side end cover and seals the energy accumulator oil side end cover oil through hole;
the energy accumulator device for the integrated hydraulic pile hammer further comprises a first energy accumulator oil cylinder fixing block, a second energy accumulator oil cylinder fixing block and a connecting cylinder, wherein the plurality of energy accumulators and the hydraulic pile hammer oil cylinder are connected to the first energy accumulator oil cylinder fixing block at the upper parts of the hydraulic pile hammer oil cylinder and the plurality of energy accumulators, the plurality of energy accumulators and the hydraulic pile hammer oil cylinder are connected to the second energy accumulator oil cylinder fixing block at the lower parts of the hydraulic pile hammer oil cylinder and the plurality of energy accumulators, and the connecting cylinder is connected between the first energy accumulator oil cylinder fixing block and the second energy accumulator oil cylinder fixing block;
the hydraulic main valve of the hydraulic pile hammer cylinder is arranged on the first energy accumulator cylinder fixing block and comprises a first hydraulic oil communicating channel and a second hydraulic oil communicating channel, the first hydraulic oil communicating channel is communicated with the oil through holes of all the energy accumulators in the high-pressure energy supplementing energy accumulator group through the energy accumulator oil side end cover flange, and the second hydraulic oil communicating channel is communicated with the oil through holes of all the energy accumulators in the low-pressure energy accumulator group through the energy accumulator oil side end cover flange;
the integrated type energy accumulator device for the hydraulic pile hammer further comprises a first energy accumulator gas communication channel and a first energy accumulator gas integration valve block, a second energy accumulator gas communication channel and a second energy accumulator gas integration valve block, wherein the first energy accumulator gas integration valve block is communicated with the energy accumulator gas side end cover joints of all energy accumulators in the high-pressure oil supplementing energy accumulator group through the first energy accumulator gas communication channel, and the second energy accumulator gas integration valve block is communicated with the energy accumulator gas side end cover joints of all energy accumulators in the low-pressure stabilizing energy accumulator group through the second energy accumulator gas communication channel.
Preferably, in the above-described integrated accumulator apparatus for a hydraulic pile hammer, the accumulator oil chambers of all the accumulators in the accumulator group for high-pressure oil compensation communicate with each other via the first hydraulic oil communication passage and communicate with the hydraulic pile hammer cylinder; and the energy accumulator oil chambers of all the energy accumulators in the energy accumulator group for low-pressure stabilization are communicated with each other through the second hydraulic oil communication channel and are communicated with the hydraulic pile hammer oil cylinder.
Preferably, in the above-described integrated accumulator apparatus for a hydraulic pile hammer, the accumulator air chambers of all the accumulators in the accumulator group for high-pressure oil replenishment communicate with each other via the first accumulator air communication passage and communicate with the first accumulator air integration valve block; the accumulator air chambers of all the accumulators in the low-pressure accumulator group for pressure stabilization are communicated with each other via the second accumulator air communicating passage and communicated with the second accumulator air integration valve block.
Preferably, in the above-described integrated accumulator apparatus for a hydraulic pile hammer, the first accumulator gas integration valve block inflates or deflates the accumulator air chambers of all the accumulators in the high-pressure oil-replenishing accumulator group, and the second accumulator gas integration valve block inflates or deflates the accumulator air chambers of all the accumulators in the low-pressure-stabilizing accumulator group.
Preferably, in the above-mentioned accumulator apparatus for an integrated hydraulic pile hammer, the accumulator piston is disposed inside the accumulator cylinder, and an outer circumferential wall of the accumulator piston is sealingly combined with an inner circumferential wall of the accumulator cylinder; the space between the accumulator piston and the accumulator gas side end cover forms the accumulator gas chamber, and the space between the accumulator piston and the accumulator oil side end cover forms the accumulator oil chamber.
Preferably, in the above energy accumulator device for an integrated hydraulic pile hammer, the upper and lower end surfaces of the connecting cylinder are respectively connected to the first energy accumulator cylinder fixing block and the second energy accumulator cylinder fixing block through bolts.
In the integrated energy accumulator device for the hydraulic pile hammer, a plurality of identical energy accumulators are compactly arranged around the hydraulic pile hammer oil cylinder, each energy accumulator is designed to be highly integrated, the air cavity and the oil cavity of each energy accumulator are respectively communicated, and the energy accumulators are uniformly and intensively arranged around the hydraulic pile hammer oil cylinder through an integrated independent and integrally interconnected arrangement mode, so that the working stability and reliability of the energy accumulator device are ensured, and the energy accumulator device is convenient for field daily maintenance. The multiple energy accumulators are compactly arranged around the hydraulic pile hammer oil cylinder, the internal space of the hydraulic pile hammer is repeatedly utilized, and the hydraulic pile hammer is very convenient to manufacture, test and install.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural view of a single accumulator in an accumulator apparatus for an integrated hydraulic pile hammer of the present invention;
FIG. 2 is a schematic view of the placement of an accumulator apparatus for an integrated hydraulic pile driving hammer within the hydraulic pile driving hammer;
fig. 3 is a top view of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, the accumulator apparatus for an integrated hydraulic pile driving hammer of the present invention includes a plurality of accumulators 9, the plurality of accumulators 9 are compactly arranged around the hydraulic pile driving hammer cylinder 10 as required for rapid linear reciprocation of a piston rod in the hydraulic pile driving hammer cylinder 10, and wherein the plurality of accumulators 9 are arranged in two groups: the high-pressure oil supplementing accumulator group 9-1 and the low-pressure stabilizing accumulator group 9-2 are arranged in a combined mode, and the high-pressure oil supplementing accumulator group 9-1 and the low-pressure stabilizing accumulator group 9-2 are both arranged to comprise a plurality of accumulators 9. Therefore, through the arrangement, the hydraulic pile hammer oil cylinder 10 and the energy accumulator 9 can be compactly arranged, and the purpose of optimizing the structural size of the hydraulic pile hammer is achieved. It goes without saying that the specific number of accumulators 9 can be determined according to design requirements.
Each accumulator 9 of the plurality of accumulators 9 takes the basic form of a piston accumulator and comprises an accumulator cylinder 1, an accumulator piston 2, an accumulator gas side end cover 3, an accumulator oil side end cover 4, an accumulator gas chamber 5, an accumulator oil chamber 6 and an accumulator oil side end cover flange 8. The accumulator piston 2 is disposed inside the accumulator cylinder 1, and the outer circumferential wall of the accumulator piston 2 is sealingly combined with the inner circumferential wall of the accumulator cylinder 1. The inner space of the energy accumulator cylinder 1 is divided into an energy accumulator air cavity 5 and an energy accumulator oil cavity 6 by the energy accumulator piston 2, namely the space between the energy accumulator piston 2 and the energy accumulator air side end cover 3 forms the energy accumulator air cavity 5, and the space between the energy accumulator piston 2 and the energy accumulator oil side end cover 4 forms the energy accumulator oil cavity 6. The center of the energy accumulator gas side end cover 3 is provided with an energy accumulator gas side end cover vent hole 3-1 communicated with the energy accumulator air cavity 5, the energy accumulator gas side end cover vent hole 3-1 is externally connected with an energy accumulator gas side end cover joint 7, the center of the energy accumulator oil side end cover 4 is provided with an energy accumulator oil side end cover oil through hole 4-1 communicated with the energy accumulator oil cavity 6, and an energy accumulator oil side end cover flange 8 is arranged on the energy accumulator oil side end cover 4 and seals the energy accumulator oil side end cover oil through hole 4-1.
In order to compactly and stably arrange the plurality of accumulators 9 around the hydraulic pile hammer cylinder 10, the integrated accumulator device for the hydraulic pile hammer of the present invention further includes a first accumulator cylinder fixing block 14, a second accumulator cylinder fixing block 15, and a connecting cylinder 16, wherein the plurality of accumulators 9 and the hydraulic pile hammer cylinder 10 are connected to the first accumulator cylinder fixing block 14 at upper portions of the accumulators 9 and the hydraulic pile hammer cylinder 10, and the plurality of accumulators 9 and the hydraulic pile hammer cylinder 10 are connected to the second accumulator cylinder fixing block 15 at lower portions of the accumulators 9 and the hydraulic pile hammer cylinder 10. The connecting cylinder 16 is connected between the first accumulator cylinder fixing block 14 and the second accumulator cylinder fixing block 15, and more specifically, the upper and lower end surfaces of the connecting cylinder 16 are connected to the first accumulator cylinder fixing block 14 and the second accumulator cylinder fixing block 15 through bolts 17, respectively. Therefore, the energy accumulator 9, the hydraulic pile hammer oil cylinder 10, the first energy accumulator oil cylinder fixing block 14, the second energy accumulator oil cylinder fixing block 15 and the connecting cylinder 16 form a complete connecting body.
The upper part of the hydraulic pile hammer cylinder 10 is provided with a hydraulic main valve 11, and the hydraulic main valve 11 is arranged in a first accumulator cylinder fixing block 14. The hydraulic main valve 11 is a multi-channel hydraulic valve, and the inner part of the hydraulic main valve is provided with a pore channel which is respectively connected with an energy accumulator group 9-1 for high-pressure oil supplement and an energy accumulator group 9-2 for low-pressure stabilization, namely: the first hydraulic oil communicating channel 111 of the hydraulic main valve 11 is communicated with the oil through holes 4-1 of all the accumulators 9 in the accumulator group 9-1 for high-pressure oil supplement through the accumulator oil side end cover flange 8, and the second hydraulic oil communicating channel 112 is communicated with the oil through holes 4-1 of all the accumulators 9 in the accumulator group 9-2 for low-pressure regulation through the accumulator oil side end cover flange 8, so that the accumulator oil chambers 6 of all the accumulators 9 in the accumulator group 9-1 for high-pressure oil supplement are communicated with each other through the first hydraulic oil communicating channel 111 and can be communicated with the hydraulic pile hammer cylinder 10; the accumulator oil chambers 6 of all the accumulators 9 in the low-pressure accumulator group 9-2 for pressure stabilization communicate with each other via the second hydraulic oil communication passage 112 and are able to communicate with the hydraulic hammer cylinder 10. Moreover, the hydraulic pile hammer cylinder 10 can be respectively communicated with the high-pressure oil supplementing accumulator group 9-1 or the low-pressure stabilizing accumulator group 9-2 by controlling the reversing of the hydraulic main valve 11.
The energy accumulator device for the integrated hydraulic pile hammer further comprises a first energy accumulator gas communication channel 12, a first energy accumulator gas integration valve block 13, a second energy accumulator gas communication channel 12 phi and a second energy accumulator gas integration valve block 13 phi, wherein the first energy accumulator gas integration valve block 13 is communicated with the energy accumulator gas side end cover connectors 7 of all the energy accumulators 9 in the high-pressure oil supplementing energy accumulator group 9-1 through the first energy accumulator gas communication channel 12 and is communicated with the energy accumulator gas side end cover vent holes 3-1 and the energy accumulator gas cavity 5 through the energy accumulator gas side end cover connectors 7; the second accumulator gas integration valve block 13 is communicated with the accumulator gas side end cover joints 7 of all the accumulators 9 in the low-pressure and voltage-stabilizing accumulator group 9-2 through a second accumulator gas communication passage 12, and is communicated with the accumulator gas side end cover vent holes 3-1 and the accumulator gas cavity 5 through the accumulator gas side end cover joints 7. Thereby, the accumulator air chambers 5 of all the accumulators 9 in the accumulator group for high-pressure oil replenishment 9-1 communicate with each other via the first accumulator air communication passage 12 and are able to communicate with the first accumulator air integration valve block 13; the accumulator air chambers 5 of all the accumulators 9 in the accumulator group 9-2 for low-pressure and pressure stabilization are communicated with each other via a second accumulator air communicating passage 12 and can be communicated with a second accumulator air integration valve block 13. The first accumulator gas integration valve block 13 is used for charging or discharging the accumulator gas cavities 5 of all the accumulators 9 in the high-pressure oil supplementing accumulator group 9-1, and the second accumulator gas integration valve block 13 is used for charging or discharging the accumulator gas cavities 5 of all the accumulators 9 in the low-pressure voltage stabilizing accumulator group 9-2.
In the integrated energy accumulator device for the hydraulic pile hammer, a plurality of identical energy accumulators are compactly arranged around the hydraulic pile hammer oil cylinder, each energy accumulator is designed to be highly integrated, the air cavity and the oil cavity of each energy accumulator are respectively communicated, and the energy accumulators are uniformly and intensively arranged around the hydraulic pile hammer oil cylinder through an integrated independent and integrally interconnected arrangement mode, so that the working stability and reliability of the energy accumulator device are ensured, and the energy accumulator device is convenient for field daily maintenance. The multiple energy accumulators are compactly arranged around the hydraulic pile hammer oil cylinder, the internal space of the hydraulic pile hammer is repeatedly utilized, and the hydraulic pile hammer is very convenient to manufacture, test and install.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (6)
1. The utility model provides an integrated form hydraulic pile hammer is with energy storage device, is including setting up a plurality of energy storage wares around hydraulic pile hammer hydro-cylinder, its characterized in that:
the energy accumulators are divided into two groups of energy accumulator groups for high-pressure oil supplement and low-pressure voltage stabilization, each energy accumulator in the energy accumulators is in the form of a piston type energy accumulator and comprises an energy accumulator cylinder, an energy accumulator piston, an energy accumulator gas side end cover, an energy accumulator oil side end cover, an energy accumulator air cavity, an energy accumulator oil cavity and an energy accumulator oil side end cover flange, an energy accumulator gas side end cover vent hole communicated with the energy accumulator air cavity is formed in the center of the energy accumulator gas side end cover, an energy accumulator gas side end cover joint is connected outside the energy accumulator gas side end cover vent hole, an energy accumulator oil side end cover oil through hole communicated with the energy accumulator oil cavity is formed in the center of the energy accumulator oil side end cover, and the energy accumulator oil side end cover flange is installed on the energy accumulator oil side end cover and seals the energy accumulator oil side end cover oil through hole;
the energy accumulator device for the integrated hydraulic pile hammer further comprises a first energy accumulator oil cylinder fixing block, a second energy accumulator oil cylinder fixing block and a connecting cylinder, wherein the plurality of energy accumulators and the hydraulic pile hammer oil cylinder are connected to the first energy accumulator oil cylinder fixing block at the upper parts of the hydraulic pile hammer oil cylinder and the plurality of energy accumulators, the plurality of energy accumulators and the hydraulic pile hammer oil cylinder are connected to the second energy accumulator oil cylinder fixing block at the lower parts of the hydraulic pile hammer oil cylinder and the plurality of energy accumulators, and the connecting cylinder is connected between the first energy accumulator oil cylinder fixing block and the second energy accumulator oil cylinder fixing block;
the hydraulic main valve of the hydraulic pile hammer cylinder is arranged on the first energy accumulator cylinder fixing block and comprises a first hydraulic oil communicating channel and a second hydraulic oil communicating channel, the first hydraulic oil communicating channel is communicated with the oil through holes of all the energy accumulators in the high-pressure energy supplementing energy accumulator group through the energy accumulator oil side end cover flange, and the second hydraulic oil communicating channel is communicated with the oil through holes of all the energy accumulators in the low-pressure energy accumulator group through the energy accumulator oil side end cover flange;
the integrated type energy accumulator device for the hydraulic pile hammer further comprises a first energy accumulator gas communication channel and a first energy accumulator gas integration valve block, a second energy accumulator gas communication channel and a second energy accumulator gas integration valve block, wherein the first energy accumulator gas integration valve block is communicated with the energy accumulator gas side end cover joints of all energy accumulators in the high-pressure oil supplementing energy accumulator group through the first energy accumulator gas communication channel, and the second energy accumulator gas integration valve block is communicated with the energy accumulator gas side end cover joints of all energy accumulators in the low-pressure stabilizing energy accumulator group through the second energy accumulator gas communication channel.
2. The integrated hydraulic pile hammer accumulator unit of claim 1, wherein the accumulator oil chambers of all accumulators in the high pressure oil supplement accumulator set are in communication with each other via the first hydraulic oil communication passage and with the hydraulic pile hammer cylinder; and the energy accumulator oil chambers of all the energy accumulators in the energy accumulator group for low-pressure stabilization are communicated with each other through the second hydraulic oil communication channel and are communicated with the hydraulic pile hammer oil cylinder.
3. The integrated accumulator unit for a hydraulic pile hammer as set forth in claim 2, wherein the accumulator air chambers of all the accumulators in the accumulator group for high-pressure oil replenishment communicate with each other via the first accumulator air communication passage and with the first accumulator air integration valve block; the accumulator air chambers of all the accumulators in the low-pressure accumulator group for pressure stabilization are communicated with each other via the second accumulator air communicating passage and communicated with the second accumulator air integration valve block.
4. The integrated hydraulic pile hammer accumulator apparatus according to claim 3, wherein the first accumulator gas integration valve block inflates or deflates the accumulator air chambers of all the accumulators in the high pressure oil-replenishing accumulator set, and the second accumulator gas integration valve block inflates or deflates the accumulator air chambers of all the accumulators in the low pressure-stabilizing accumulator set.
5. The integrated hydraulic pile hammer accumulator unit of any one of claims 1 to 4, wherein the accumulator piston is disposed within the accumulator cylinder and an outer peripheral wall of the accumulator piston is in sealing engagement with an inner peripheral wall of the accumulator cylinder; the space between the accumulator piston and the accumulator gas side end cover forms the accumulator gas chamber, and the space between the accumulator piston and the accumulator oil side end cover forms the accumulator oil chamber.
6. The integrated hydraulic pile driving hammer accumulator unit according to any one of claims 1 to 4, wherein the upper and lower end surfaces of the connecting cylinder are respectively connected to the first accumulator cylinder fixing block and the second accumulator cylinder fixing block by bolts.
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| CN201911361777.XA CN111059085A (en) | 2019-12-26 | 2019-12-26 | Integrated energy accumulator device for hydraulic pile hammer |
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| CN201911361777.XA CN111059085A (en) | 2019-12-26 | 2019-12-26 | Integrated energy accumulator device for hydraulic pile hammer |
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