CN115492107A - Portable large-diameter timber pile implanting equipment - Google Patents
Portable large-diameter timber pile implanting equipment Download PDFInfo
- Publication number
- CN115492107A CN115492107A CN202211229789.9A CN202211229789A CN115492107A CN 115492107 A CN115492107 A CN 115492107A CN 202211229789 A CN202211229789 A CN 202211229789A CN 115492107 A CN115492107 A CN 115492107A
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- sleeve
- stake
- pile
- cylinder
- positioning
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- 238000002513 implantation Methods 0.000 claims abstract description 29
- 239000007943 implant Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses portable large-diameter timber pile implanting equipment which comprises a sleeve and a pile implanting assembly, wherein the pile implanting assembly is detachably arranged inside the sleeve, the pile implanting assembly comprises a pile implanting cylinder and a positioning sleeve, the positioning sleeve is fixedly arranged at the bottom of the fixed end of the pile implanting cylinder and sleeved outside a telescopic rod of the pile implanting cylinder, and a positioning groove is formed in the side part of the positioning sleeve. The structure of the timber pile implanting device can be effectively assembled, and meanwhile, the internal components can be conveniently maintained; can fix a position the stake of different diameters for be the equidirectional setting as far as possible between stake implantation equipment and the stake, then further make the telescopic link of planting the stake cylinder carry out the pressure direction that the stake was implanted can be parallel with the stake as far as, then can be convenient carry out the implantation location of different major diameter stakes, make the stake simultaneously can be convenient along with the setting direction of stake implantation equipment implant.
Description
Technical Field
The invention belongs to the technical field of pneumatic pile planting equipment, and particularly relates to portable large-diameter timber pile planting equipment.
Background
The pneumatic pile driver takes compressed air as a power source to drive the piston to vibrate up and down and impact the wooden pile. The quick connector and the high pressure air pipe are connected with the small pneumatic pump, and the piston is driven to strike the hammer by utilizing the principles of gas compression and expansion, so that huge impact force is generated in the movement to impact the upper end of the timber pile, and the timber pile enters the deep ground; in the prior art, a general structure of a pneumatic pile driver is a large support structure, which is not portable enough for some pile planting scenes, and the structure of conventional portable pneumatic pile planting equipment on the market comprises a pile planting cylinder and a sleeve, but the internal structure of the conventional pneumatic pile planting equipment can not be assembled and disassembled conveniently and quickly; meanwhile, the portable pneumatic pile planting machine is difficult to achieve the effect of pile planting direction positioning when a wood pile is planted, direction positioning needs to be performed on a pile body needing to be planted in an additional manual mode, the pneumatic pile planting machine only achieves the effect of planting driving, and therefore the portable large-diameter wood pile planting device is provided for solving the problems in the prior art.
Disclosure of Invention
The present invention is directed to a portable large-diameter stake implantation apparatus that solves the problems set forth above in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable large-diameter timber pile implanting device comprises a sleeve and a pile implanting assembly, wherein the pile implanting assembly is detachably mounted inside the sleeve and comprises a pile implanting cylinder and a positioning sleeve, the positioning sleeve is fixedly mounted at the bottom of the fixed end of the pile implanting cylinder and sleeved outside a telescopic rod of the pile implanting cylinder, a positioning groove is formed in the side part of the positioning sleeve, a positioning block is fixedly connected to the side part of the telescopic rod of the pile implanting cylinder, the positioning block is slidably mounted in the positioning groove in the vertical direction, and a fixing disc is fixedly connected to the bottom of the telescopic rod of the pile implanting cylinder and a pile implanting pressing block is fixedly mounted through the fixing disc;
the side part of the fixed end of the pile planting cylinder is fixedly connected with a fixed seat block, the side part of the sleeve is inserted with a positioning screw in a penetrating manner, the positioning screw is installed on the fixed seat block in a threaded manner, the inner side part of the sleeve is fixedly connected with a supporting block, and the supporting block is supported at the bottom of the fixed end of the pile planting cylinder;
adjusting screw is installed to telescopic bottom side screw thread, adjusting screw is located the inside one end of sleeve and rotates to be connected in the arc locating plate, the arc locating plate is provided with a plurality of groups and is array distribution in telescopic interior bottom.
Preferably, a plurality of groups of handles are installed on the side portion of the sleeve, and a control button for controlling the pile planting cylinder is installed on the side portion of the sleeve.
Preferably, a plurality of groups of pneumatic interfaces are arranged at the fixed end of the pile planting cylinder and are connected to a pneumatic control valve through a high-pressure gas conveying pipe, and the pneumatic control valve is connected to an external high-pressure gas source through a control button.
Preferably, at least three groups of fixing bolts distributed in an annular array are arranged on the fixing disc, the pile planting pressing block is fixedly installed at the bottom of the fixing disc through the fixing bolts, and the pile planting pressing block is arranged on the fixing disc.
Preferably, one end of the adjusting screw rod, which is located outside the sleeve, is fixedly connected with a rotating handle, a threaded through hole for the adjusting screw rod to penetrate through is formed in the side portion of the sleeve, and the adjusting screw rod is rotatably connected with the arc-shaped positioning plate through a rotating joint.
Preferably, the arc locating plate is provided with four groups and a gap is arranged between the four groups of arc locating plates, and the arc locating plates are arc metal plates which are vertically arranged.
Preferably, the sleeve is a cylindrical metal sleeve with an upper opening and a lower opening, four groups of handles are arranged on the side part of the sleeve, and a connecting joint of an external high-pressure air source is arranged on a pneumatic control valve of the pile planting cylinder.
Preferably, telescopic inside fixedly connected with positioning slot, the lateral part fixedly connected with location of planting the stake cylinder is pegged graft in the location inserted block of positioning slot, the internal thread hole has been seted up to the lateral part of fixed seat piece, the internal thread hole is the setting of aliging with positioning screw when the stiff end of planting the stake cylinder simultaneously is supported on the supporting shoe in the location inserted block is pegged graft in positioning slot.
Preferably, the method also comprises the use steps of the portable large-diameter timber pile implanting equipment: at first will plant a subassembly and install inside the sleeve and carry out fixed mounting with sleeve and planting a cylinder both through fixed seat piece and positioning screw, establish the sleeve cover to the stake top of area implantation thereupon, rotate through a plurality of adjusting screw of group and adjust and make the arc locating plate laminate in stake top lateral wall, fix a position fixedly through handheld a plurality of groups of handles of staff or through other fixed subassembly sleeves, start the planting a cylinder afterwards and go on pushing down the stake of planting to the stake pile body through the stake briquetting of planting of telescopic link bottom.
The invention has the technical effects and advantages that: compared with the prior art, the portable large-diameter timber pile implanting equipment provided by the invention has the following advantages:
according to the invention, through the assembly mode among the implantation assembly, the sleeve, the telescopic rod of the implantation cylinder, the implantation pressing block and other structures, the implantation cylinder and the sleeve are positioned and installed through a plurality of groups of positioning screws after being mutually inserted between the positioning insertion block and the positioning insertion slot, so that the implantation cylinder and the sleeve are fixedly installed, and meanwhile, the implantation pressing block can be conveniently disassembled and installed from the telescopic rod through the installation mode between the fixed disk and the implantation pressing block, so that the structure of the wood pile implantation device can be effectively assembled, and meanwhile, the internal assembly can be conveniently maintained;
rotate through a plurality of adjusting screw of group and adjust and make the arc locating plate laminate in stake top lateral wall, can fix a position the stake of different diameters, make to be the equidirectional setting as far as possible between stake implantation equipment and the stake, then further make the telescopic link of planting the stake cylinder carry out the pressure direction that the stake was implanted can be parallel with the stake as far as, then can be convenient carry out the implantation location of different major diameter stakes, make the stake can be convenient simultaneously along with the setting direction of stake implantation equipment implant.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a partial internal schematic view of the present invention;
FIG. 3 is a schematic cross-sectional front view of the present invention;
FIG. 4 is a schematic top view of the present invention;
fig. 5 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
In the figure: 1. a sleeve; 2. an implant assembly; 3. a handle; 4. a control button; 5. an arc-shaped positioning plate; 6. adjusting the screw rod; 7. positioning a screw rod; 8. a pile planting cylinder; 9. a positioning sleeve; 10. a telescopic rod; 11. positioning blocks; 12. a high pressure gas delivery pipe; 13. a pneumatic interface; 14. a pneumatic control valve; 15. fixing the disc; 16. pile planting and briquetting; 17. fixing the bolt; 18. rotating the handle; 19. a rotating joint; 20. a threaded through hole; 21. a support block; 22. positioning a groove; 23. positioning the insert block; 24. positioning the slot; 25. fixing the seat block; 26. and (4) an internal threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides embodiments as shown in fig. 1-5:
a portable large-diameter timber pile implanting device comprises a sleeve 1 and a pile implanting component 2, wherein the pile implanting component 2 is detachably mounted inside the sleeve 1, the pile implanting component 2 comprises a pile implanting cylinder 8 and a positioning sleeve 9, the positioning sleeve 9 is fixedly mounted at the bottom of the fixed end of the pile implanting cylinder 8 and sleeved outside a telescopic rod 10 of the pile implanting cylinder 8, a positioning groove 22 is formed in the side part of the positioning sleeve 9, a positioning block 11 is fixedly connected to the side part of the telescopic rod 10 of the pile implanting cylinder 8, the positioning block 11 is slidably mounted in the positioning groove 22 in the vertical direction, a fixing disc 15 is fixedly connected to the bottom of the telescopic rod 10 of the pile implanting cylinder 8, and a pile implanting pressing block 16 is fixedly mounted through the fixing disc 15;
the side part of the fixed end of the pile planting cylinder 8 is fixedly connected with a fixed seat block 25, the side part of the sleeve 1 is inserted with a positioning screw 7 in a penetrating manner, the positioning screw 7 is installed on the fixed seat block 25 in a threaded manner, the inner side part of the sleeve 1 is fixedly connected with a supporting block 21, and the supporting block 21 is supported at the bottom of the fixed end of the pile planting cylinder 8;
adjusting screw 6 is installed to the bottom side screw thread of sleeve 1, adjusting screw 6 is located the inside one end rotation of sleeve 1 and connects in arc locating plate 5, arc locating plate 5 is provided with a plurality of groups and is the interior bottom of array distribution in sleeve 1.
When the device is used specifically, the device is positioned and installed through a plurality of groups of positioning screws 7 after the pile planting cylinder 8 and the sleeve 1 are mutually inserted between the positioning insertion block 23 and the positioning insertion slot 24 through an assembling mode among the structures of the implantation component 2, the sleeve 1, the telescopic rod 10 of the pile planting cylinder 8, the pile planting pressing block 16 and the like, so that the pile planting cylinder 8 and the sleeve 1 are fixedly installed, and meanwhile, the pile planting pressing block 16 can be conveniently disassembled and installed from the telescopic rod 10 through an installing mode between the fixed disk 15 and the pile planting pressing block 16, so that the structure of the device can be effectively assembled, and meanwhile, the internal components can be conveniently maintained;
rotate through adjusting screw 6 through a plurality of groups and adjust and make arc locating plate 5 laminate in stake top lateral wall, can fix a position the stake of different diameters, make to be the equidirectional setting as far as possible between stake implantation equipment and the stake, then further make the telescopic link 10 of planting stake cylinder 8 carry out the pressure direction that the stake was implanted can be parallel with the stake as far as, then can be convenient carry out the implantation location of different major diameter stakes, make the stake can be convenient simultaneously along with the setting direction of stake implantation equipment implant.
A plurality of groups of handles 3 are arranged on the side part of the sleeve 1, and a control button 4 for controlling a pile planting cylinder 8 is arranged on the side part of the sleeve 1; the fixed end of the pile planting air cylinder 8 is provided with a plurality of groups of pneumatic connectors 13, the plurality of groups of pneumatic connectors 13 are connected to a pneumatic control valve 14 through a high-pressure air conveying pipe 12, and the pneumatic control valve 14 is connected to an external high-pressure air source through a control button 4.
The fixed disk 15 is provided with at least three groups of fixing bolts 17 distributed in an annular array, the pile-planting pressing block 16 is fixedly installed at the bottom of the fixed disk 15 through the fixing bolts 17, and the pile-planting pressing block 16 is installed on the fixed disk.
One end of the adjusting screw 6, which is positioned outside the sleeve 1, is fixedly connected with a rotating handle 18, a threaded through hole 20 for the adjusting screw 6 to penetrate through is formed in the side part of the sleeve 1, and the adjusting screw 6 is rotatably connected with the arc-shaped positioning plate 5 through a rotating joint 19; the arc locating plate 5 is provided with four groups and is provided with the clearance between four groups of arc locating plates 5, arc locating plate 5 sets up to be the arc metal sheet of vertical setting.
The sleeve 1 is a cylindrical metal sleeve with an upper opening and a lower opening, four groups of handles 3 are arranged on the side part of the sleeve 1, and a connecting joint of an external high-pressure air source is arranged on a pneumatic control valve 14 of the pile planting cylinder 8; the utility model discloses a pile planting machine, including sleeve 1, the lateral part fixedly connected with of sleeve 1 fixes a position slot 24, the lateral part fixedly connected with of planting the stake cylinder 8 fix a position the inserted block 23 of pegging graft in the slot 24 of fixing a position, internal thread hole 26 has been seted up to the lateral part of fixed seat piece 25, internal thread hole 26 is the alignment setting with the positioning screw when the fixed end of planting the stake cylinder 8 is supported on supporting shoe 21 in the slot 24 of fixing a position inserted block 23 pegging graft simultaneously.
The method also comprises the use steps of the portable large-diameter timber pile implanting equipment: at first will plant a subassembly 2 and install in sleeve 1 inside and carry out fixed mounting with sleeve 1 and planting a cylinder 8 both through fixed seat piece 25 and positioning screw 7, establish sleeve 1 cover to the stake top of area implantation thereupon, rotate through a plurality of adjusting screw 6 of organizing and adjust and make arc locating plate 5 laminate in stake top lateral wall, it is fixed in location through handheld a plurality of groups of handle 3 of staff or through other fixed subassembly sleeves 1, start afterwards and plant a cylinder 8 and push down the stake of planting through the stake briquetting 16 of planting of telescopic link 10 bottom to the stake pile body.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a portable major diameter stake equipment of implanting, includes sleeve (1) and plants a subassembly (2), it installs in the inside of sleeve (1) to plant a subassembly (2) detachable, its characterized in that:
the pile planting assembly (2) comprises a pile planting cylinder (8) and a positioning sleeve (9), the positioning sleeve (9) is fixedly installed at the bottom of the fixed end of the pile planting cylinder (8) and is sleeved outside a telescopic rod (10) of the pile planting cylinder (8), a positioning groove (22) is formed in the lateral part of the positioning sleeve (9), a positioning block (11) is fixedly connected to the lateral part of the telescopic rod (10) of the pile planting cylinder (8), the positioning block (11) is slidably installed in the positioning groove (22) in the vertical direction, a fixing disc (15) is fixedly connected to the bottom of the telescopic rod (10) of the pile planting cylinder (8), and a pile planting pressing block (16) is fixedly installed on the fixing disc (15);
the side part of the fixed end of the pile planting cylinder (8) is fixedly connected with a fixed seat block (25), the side part of the sleeve (1) is inserted with a positioning screw (7) in a penetrating manner, the positioning screw (7) is installed on the fixed seat block (25) in a threaded manner, the inner side part of the sleeve (1) is fixedly connected with a supporting block (21), and the supporting block (21) is supported at the bottom of the fixed end of the pile planting cylinder (8);
adjusting screw (6) are installed to the bottom side screw thread of sleeve (1), adjusting screw (6) are located the inside one end rotation of sleeve (1) and connect in arc locating plate (5), arc locating plate (5) are provided with a plurality of groups and are array distribution in the interior bottom of sleeve (1).
2. A portable large diameter stake implantation apparatus as claimed in claim 1, wherein: a plurality of groups of handles (3) are installed to the lateral part of sleeve (1), control button (4) that are used for controlling pile planting cylinder (8) are installed to the lateral part of sleeve (1).
3. A portable large diameter stake implantation apparatus as claimed in claim 2, wherein: the pile planting device is characterized in that a plurality of groups of pneumatic connectors (13) are arranged at the fixed end of the pile planting cylinder (8), the pneumatic connectors (13) are connected to a pneumatic control valve (14) through a high-pressure air conveying pipe (12), and the pneumatic control valve (14) is connected to an external high-pressure air source through a control button (4).
4. A portable large diameter stake implantation apparatus as claimed in claim 1, wherein: the pile planting device is characterized in that at least three groups of fixing bolts (17) distributed in an annular array are arranged on the fixing disc (15), the pile planting pressing block (16) is fixedly installed at the bottom of the fixing disc (15) through the fixing bolts (17), and the pile planting pressing block (16) is arranged on the fixing disc.
5. A portable large diameter stake implantation apparatus as defined in claim 1, wherein: adjusting screw (6) are located sleeve (1) outside one end fixedly connected with and rotate handle (18), screw through-hole (20) that are used for adjusting screw (6) screw thread to run through are offered to the lateral part of sleeve (1), adjusting screw (6) rotate with arc locating plate (5) through rotary joint (19) and are connected.
6. A portable large diameter stake implantation apparatus as claimed in claim 5, wherein: the arc locating plate (5) is provided with four groups and gaps are arranged between the four groups of arc locating plates (5), and the arc locating plates (5) are arc metal plates which are vertically arranged.
7. A portable large diameter stake implantation apparatus as claimed in claim 3, wherein: the pile planting device is characterized in that the sleeve (1) is a cylindrical metal sleeve with an upper opening and a lower opening, four groups of handles (3) are arranged on the side portion of the sleeve (1), and a connecting joint of an external high-pressure air source is arranged on a pneumatic control valve (14) of the pile planting cylinder (8).
8. A portable large diameter stake implantation apparatus as claimed in claim 7, wherein: the utility model discloses a pile planting device, including sleeve (1), the lateral part fixedly connected with location slot (24) of sleeve (1), the lateral part fixedly connected with location inserted block (23) of planting a cylinder (8) is pegged graft in location slot (24), internal thread hole (26) have been seted up to the lateral part of fixed seat piece (25), internal thread hole (26) are the setting of aliging with positioning screw when location inserted block (23) are pegged graft and are planted a cylinder (8) stiff end support on supporting shoe (21) in location slot (24) simultaneously.
9. A portable large diameter stake implantation apparatus as claimed in claim 8, wherein: the method also comprises the use steps of the portable large-diameter timber pile implanting equipment: install in sleeve (1) inside at first and carry out fixed mounting with sleeve (1) and planting a cylinder (8) through fixed seat piece (25) and positioning screw (7) and both, establish sleeve (1) cover to the stake top of taking to implant thereupon, rotate through a plurality of adjusting screw (6) of group and adjust and make arc locating plate (5) laminate in stake top lateral wall, it is fixed to fix a position through handheld a plurality of group handles (3) of staff or through other fixed subassembly sleeves (1), start afterwards to plant a cylinder (8) and carry out the pushing down through the stake briquetting (16) of planting of telescopic link (10) bottom to the stake pile body and plant the stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211229789.9A CN115492107A (en) | 2022-10-09 | 2022-10-09 | Portable large-diameter timber pile implanting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211229789.9A CN115492107A (en) | 2022-10-09 | 2022-10-09 | Portable large-diameter timber pile implanting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115492107A true CN115492107A (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211229789.9A Pending CN115492107A (en) | 2022-10-09 | 2022-10-09 | Portable large-diameter timber pile implanting equipment |
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| Country | Link |
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| CN (1) | CN115492107A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202881948U (en) * | 2012-11-13 | 2013-04-17 | 陈琦 | Pressurized underwater hydraulic pile hammer |
| KR101673282B1 (en) * | 2016-06-07 | 2016-11-07 | 주식회사 가우스 | Portable Air Pile driver |
| CN213709520U (en) * | 2020-09-02 | 2021-07-16 | 无锡安丰基础工程有限公司 | Split type silence and portable's Larsen stake static pressure pile planting machine |
| CN214573929U (en) * | 2021-01-14 | 2021-11-02 | 河北兴国防汛设备科技有限公司 | Improved emergency pile driver |
| CN215518759U (en) * | 2021-09-03 | 2022-01-14 | 赵山 | Flood prevention emergency device for hydraulic engineering |
| CN216339517U (en) * | 2021-12-07 | 2022-04-19 | 山东瑞欣威新能源科技有限公司 | Pneumatic pile driver of flood prevention emergency rescue with light |
-
2022
- 2022-10-09 CN CN202211229789.9A patent/CN115492107A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202881948U (en) * | 2012-11-13 | 2013-04-17 | 陈琦 | Pressurized underwater hydraulic pile hammer |
| KR101673282B1 (en) * | 2016-06-07 | 2016-11-07 | 주식회사 가우스 | Portable Air Pile driver |
| CN213709520U (en) * | 2020-09-02 | 2021-07-16 | 无锡安丰基础工程有限公司 | Split type silence and portable's Larsen stake static pressure pile planting machine |
| CN214573929U (en) * | 2021-01-14 | 2021-11-02 | 河北兴国防汛设备科技有限公司 | Improved emergency pile driver |
| CN215518759U (en) * | 2021-09-03 | 2022-01-14 | 赵山 | Flood prevention emergency device for hydraulic engineering |
| CN216339517U (en) * | 2021-12-07 | 2022-04-19 | 山东瑞欣威新能源科技有限公司 | Pneumatic pile driver of flood prevention emergency rescue with light |
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