CN112323895A - Novel intelligence pole ground is opened and is expanded device - Google Patents
Novel intelligence pole ground is opened and is expanded device Download PDFInfo
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- CN112323895A CN112323895A CN202011342736.9A CN202011342736A CN112323895A CN 112323895 A CN112323895 A CN 112323895A CN 202011342736 A CN202011342736 A CN 202011342736A CN 112323895 A CN112323895 A CN 112323895A
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- wall
- motor
- mount pad
- belt pulley
- mounting seat
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/20—Machines for digging other holes in the soil for vertical holes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a novel intelligent pole foundation expanding device which comprises a connecting frame, a mounting seat, a bearing and a supporting frame, wherein the mounting seat is mounted inside the connecting frame, the outer wall of the mounting seat is movably connected with the inside of the connecting frame through the bearing, the supporting frame is arranged at the bottom end of the mounting seat, and a transmission mechanism is mounted inside the mounting seat. This novel intelligence pole ground is opened and is expanded device, through first motor, the threaded rod, the slider, the connecting plate, the cooperation of riser and scraper blade etc. is used, conveniently open and expand the not recess of equidimension, be favorable to the installation of different model intelligence poles, through the base, the fixed plate, the frid, the cooperation of screw thread round pin and nut etc. is used, can highly adjust the link like this, conveniently develop in the different positions of pre-buried hole, through the second motor, the shaft coupling, the transfer line, the cooperation of first belt pulley and belt etc. is used, the support frame drives the scraper blade rotation, the convenience is to the development on soil layer.
Description
Technical Field
The invention relates to the technical field of foundation expanding, in particular to a novel intelligent electric pole foundation expanding device.
Background
The electric pole plays a role in supporting an overhead conductor, common electric poles comprise wooden electric poles, cement electric poles, electric power iron towers and the like, and the concrete electric poles are electric poles made of concrete and reinforcing steel bars or steel wires and have two types of prestress and non-prestress; iron pole is with cast iron's pole, along with the continuous progress of science and technology, intelligent pole obtains using, when installing intelligent pole, need use to open and expand the device and open the ground and expand, but the device is expanded to current novel intelligent pole ground, open the recess that expands out, big small dimension is the same, the installation of the pole of inconvenient different models, the practicality that leads to whole mechanism descends, inconvenient different positions in pre-buried hole are opened and are expanded, the user demand who expands the device is opened to the ground when hardly satisfying intelligent pole and using.
Disclosure of Invention
The invention aims to provide a novel intelligent electric pole foundation expanding device, and aims to solve the problem that the practicability of the whole mechanism is reduced due to the fact that expanded grooves are formed in the existing intelligent electric pole foundation expanding device in the background technology, the sizes and the specifications of the expanded grooves are the same, and the electric poles of different models are inconvenient to install.
In order to achieve the purpose, the invention provides the following technical scheme: a novel intelligent electric pole foundation expanding device comprises a connecting frame, a mounting seat, a bearing and a supporting frame, wherein the mounting seat is mounted inside the connecting frame, the bearing is mounted on the outer wall of the mounting seat, the outer wall of the mounting seat is movably connected with the inside of the connecting frame through the bearing, the supporting frame is arranged at the bottom end of the mounting seat, the top end of the supporting frame is fixedly connected with the bottom end of the mounting seat, and a transmission mechanism is mounted inside the mounting seat;
the transmission mechanism comprises a first motor, a threaded rod, a sliding block, a connecting plate, a vertical plate and a scraper;
the left side of first motor and the outer wall looks rigid coupling of mount pad, the bottom of first motor output shaft is equipped with the threaded rod, the top of threaded rod and the output shaft looks rigid coupling of first motor, the outer wall and the mount pad and the support frame activity of threaded rod link to each other, the slider is installed to the outer wall of threaded rod, the inner wall and the threaded rod threaded connection of slider, the equal rigid coupling in the left and right sides of slider has the connecting plate, two the outer wall of connecting plate all runs through the support frame and links to each other with the riser activity, the outer wall of connecting plate and the inside spout clearance fit of support frame, the bottom swing joint of riser has the scraper blade, the top and the support frame activity of scraper blade.
Preferably, the connecting plates are symmetrically distributed about the slider.
Preferably, the bottom of support frame is equipped with the toper piece, the top of toper piece and the bottom looks rigid coupling of support frame, the second belt pulley has been cup jointed to the outer wall of mount pad, the inner wall of second belt pulley and the outer wall interference fit of mount pad, the upper surface right side threaded connection of mount pad has the inserted bar, the inside recess clearance fit of mount pad and link is run through to the bottom of inserted bar.
Preferably, the right side of the lower surface of the connecting frame is provided with an adjusting mechanism;
the adjusting mechanism comprises a base, a fixing plate, a groove plate, a threaded pin and a nut;
the upper surface of base is equipped with the fixed plate, the bottom of fixed plate and the upper surface looks rigid coupling of base, the frid, two are all installed at the left and right sides top of fixed plate the inner wall of frid and the equal clearance fit of the outer wall of fixed plate, the top of frid and the lower surface right side looks rigid coupling of link, the equal rigid coupling in left and right sides top of fixed plate has the screw thread round pin, two the outer wall of screw thread round pin all runs through frid and nut threaded connection, the outer wall of screw thread round pin and the inside spout clearance fit of frid, the outer wall of nut closely laminates with the outer wall of frid.
Preferably, the threaded pin is arranged perpendicular to the fixing plate.
Preferably, a power mechanism is arranged in the connecting frame;
the power mechanism comprises a second motor, a coupler, a transmission rod, a first belt pulley and a belt;
the right-hand member and the link looks rigid coupling of second motor, the bottom rigid coupling of second motor output shaft has the shaft coupling, the inside rigid coupling of shaft coupling has the transfer line, shaft coupling and transfer line looks rigid coupling are passed through to the bottom of second motor output shaft, the outer wall and the link activity of transfer line link to each other, the outer wall of transfer line has cup jointed first belt pulley, the inner wall of first belt pulley and the outer wall looks rigid coupling of transfer line, clearance fit has the belt in the outer wall recess of first belt pulley, the outer wall of first belt pulley passes through the belt and links to each other with the outer wall activity of second belt pulley.
Compared with the prior art, the invention has the beneficial effects that: this novel intelligence pole ground is opened and is expanded device compares the conventional art, has following advantage:
through the cooperation use of first motor, threaded rod, slider, connecting plate, riser and scraper blade etc., the threaded rod rotates and drives slider and connecting plate and reciprocate in the support frame, and the connecting plate drives two separately different angles of scraper blade through the riser, conveniently opens the recess that expands equidimension not, is favorable to the installation of different model intelligence poles, and then increases whole mechanism's practicality.
Through the cooperation use of toper piece, second belt pulley and inserted bar etc, the bottom that the pre-buried hole was inserted to the toper piece is favorable to supporting whole mechanism, and the inserted bar is inserted in the link, prevents that first motor during operation mount pad from taking place to rotate, is favorable to using widely.
The fixing plate is adjusted between the two groove plates by matching the base, the fixing plate, the groove plates, the threaded pin and the nut, the nut is used for screwing the threaded pin to fix the fixing plate, the height of the connecting frame can be adjusted, the connecting frame can be conveniently exploited at different positions of the pre-buried pit, and the fixing plate is simple to use.
The cooperation through second motor, shaft coupling, transfer line, first belt pulley and belt etc. is used, and the second motor passes through the shaft coupling and drives the transfer line and rotate, and the transfer line provides power for the rotation of mount pad through first belt pulley and belt, and the support frame drives the scraper blade rotation, and the convenience is to the development on soil layer, and the user demand to ground expansion device when satisfying intelligent pole use greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection structure between the transmission mechanism and the support frame in FIG. 1;
FIG. 3 is a schematic view of a connection structure between the adjusting mechanism and the connecting frame in FIG. 1;
FIG. 4 is a schematic view of a connection structure between the power mechanism and the connecting frame in FIG. 1;
FIG. 5 is a schematic view of a connection structure of the connection frame, the mounting seat and the insertion rod in FIG. 1;
fig. 6 is a schematic view of a connection structure of the first motor, the threaded rod and the mounting seat in fig. 1.
In the figure: 1. the device comprises a connecting frame, 2, a mounting seat, 3, a bearing, 4, a supporting frame, 5, a transmission mechanism, 501, a first motor, 502, a threaded rod, 503, a sliding block, 504, a connecting plate, 505, a vertical plate, 506, a scraping plate, 6, an adjusting mechanism, 601, a base, 602, a fixing plate, 603, a groove plate, 604, a threaded pin, 605, a nut, 7, a power mechanism, 701, a second motor, 702, a coupler, 703, a transmission rod, 704, a first belt pulley, 705, a belt, 8, a conical block, 9, a second belt pulley, 10 and an inserted rod.
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. 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.
Referring to fig. 1-6, the present invention provides a technical solution: a novel intelligent electric pole foundation expanding device comprises a connecting frame 1, a mounting seat 2, a bearing 3 and a supporting frame 4, wherein the mounting seat 2 is installed inside the connecting frame 1, the bearing 3 is installed on the outer wall of the mounting seat 2, the outer wall of the mounting seat 2 is movably connected with the inside of the connecting frame 1 through the bearing 3, the mounting seat 2 rotates in the connecting frame 1 through the bearing 3, the supporting frame 4 is arranged at the bottom end of the mounting seat 2, the top end of the supporting frame 4 is fixedly connected with the bottom end of the mounting seat 2, a transmission mechanism 5 is installed inside the mounting seat 2, the transmission mechanism 5 comprises a first motor 501, a threaded rod 502, a sliding block 503, a connecting plate 504, a vertical plate 505 and a scraping plate 506, the left side of the first motor 501 is fixedly connected with the outer wall of the mounting seat 2, the bottom end of an output shaft of the first motor 501 is provided with the threaded rod 502, the top end of the threaded rod 502 is fixedly, the outer wall and mount pad 2 and support frame 4 swing joint of threaded rod 502, slider 503 is installed to the outer wall of threaded rod 502, the inner wall and the threaded rod 502 threaded connection of slider 503, slider 503 drives two connecting plates 504 and moves in support frame 4, the equal rigid coupling in left and right sides of slider 503 has connecting plate 504, the outer wall of two connecting plates 504 all runs through support frame 4 and riser 505 swing joint, the outer wall of connecting plate 504 and the inside spout clearance fit of support frame 4, the upper and lower both ends of riser 505 all link to each other with connecting plate 504 and scraper 506 swing joint respectively through the round pin axle, the bottom swing joint of riser 505 has scraper 506, the top and the support frame 4 swing joint of scraper 506, connecting plate 504 is about slider 503 symmetric distribution, there are two connecting plates 503 at the outer wall rigid coupling.
The bottom of support frame 4 is equipped with toper piece 8, the top of toper piece 8 and the bottom looks rigid coupling of support frame 4, second belt pulley 9 has been cup jointed to the outer wall of mount pad 2, the inner wall of second belt pulley 9 and the outer wall interference fit of mount pad 2, second belt pulley 9 drives mount pad 2 and rotates, the upper surface right side threaded connection of mount pad 2 has inserted bar 10, inserted bar 10 carries out the rigidity to mount pad 2, the inside recess clearance fit of mount pad 2 and link 1 is run through to the bottom of inserted bar 10.
The right side of the lower surface of the connecting frame 1 is provided with an adjusting mechanism 6, the adjusting mechanism 6 comprises a base 601, a fixing plate 602, a groove plate 603, a threaded pin 604 and a nut 605, the upper surface of the base 601 is provided with the fixing plate 602, the bottom end of the fixing plate 602 is fixedly connected with the upper surface of the base 601, the tops of the left side and the right side of the fixing plate 602 are provided with the groove plate 603, the inner walls of the two groove plates 603 are in clearance fit with the outer wall of the fixing plate 602, the fixing plate 602 can move up and down in the groove plate 603, the top end of the groove plate 603 is fixedly connected with the right side of the lower surface of the connecting frame 1, the tops of the left side and the right side of the fixing plate 602 are fixedly connected with the threaded pin 604, the outer walls of the two threaded pins 604 penetrate through the groove plate 603 and are in threaded connection with the nut 605, the fixing plate 602 drives the threaded pin 604 to move, the outer, a nut 605 tightened on the outer wall of the threaded pin 604 fixes the position of the fixing plate 602 in the slot plate 603.
The power mechanism 7 is arranged in the connecting frame 1, the power mechanism 7 comprises a second motor 701, a coupler 702, a transmission rod 703, a first belt pulley 704 and a belt 705, the right end of the second motor 701 is fixedly connected with the connecting frame 1, the bottom end of the output shaft of the second motor 701 is fixedly connected with the coupler 702, the transmission rod 703 is fixedly connected in the coupler 702, the second motor 701 drives the transmission rod 703 to rotate through the coupler 702, the bottom end of the output shaft of the second motor 701 is fixedly connected with the transmission rod 703 through the coupler 702, the outer wall of the transmission rod 703 is movably connected with the connecting frame 1, the outer wall of the transmission rod 703 is sleeved with the first belt pulley 704, the inner wall of the first belt pulley 704 is fixedly connected with the outer wall of the transmission rod 703, the transmission rod 703 drives the first belt pulley 704 to rotate, the belt 705 is in a clearance fit in the groove of the outer wall of the first belt pulley 704, the, the first pulley 704 rotates the second pulley 9 via the belt 705.
In this example, when the expanding device is used, firstly, the support frame 4 is inserted into the pre-buried pit of the utility pole, the support frame 4 drives the tapered block 8 to be attached to the pit bottom, then, an external power supply of the first motor 501 is connected, the first motor 501 starts to work, an output shaft of the first motor 501 drives the threaded rod 502 to rotate in the mounting seat 2 and the support frame 4 through the coupler, the threaded rod 502 rotates to drive the sliding block 503 to move in the support frame 4, the sliding block 503 drives the vertical plate 505 to move through the two connecting plates 504, the vertical plate 505 pulls the two scraping plates 506 to deflect, the two scraping plates 506 are inserted into the surrounding soil layer, then, the inserting rod 10 is punched out of the mounting seat 2, the external power supply of the second motor 701 is connected, the second motor 701 starts to work, the second motor 702 drives the transmission rod 703 to rotate, the transmission rod 703 drives the first belt pulley 704 to rotate, the first belt pulley 704 drives the second belt, second belt pulley 9 drives mount pad 2 and passes through bearing 3 and rotate in link 1, and then mount pad 2 drives support frame 4 and scraper blade 506 and loosens the soil and handle around the soil layer, adjusts the position of fixed plate 602 in two frid 603 and can adjust the height of link 1.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel intelligence pole ground is opened and is expanded device, includes link (1), mount pad (2), bearing (3) and support frame (4), the internally mounted of link (1) has mount pad (2), bearing (3) are installed to the outer wall of mount pad (2), the outer wall of mount pad (2) passes through bearing (3) and links to each other with the inside activity of link (1), the bottom of mount pad (2) is equipped with support frame (4), the top of support frame (4) and the bottom looks rigid coupling of mount pad (2), its characterized in that: a transmission mechanism (5) is arranged in the mounting seat (2);
the transmission mechanism (5) comprises a first motor (501), a threaded rod (502), a sliding block (503), a connecting plate (504), a vertical plate (505) and a scraper (506);
the left side of the first motor (501) is fixedly connected with the outer wall of the mounting seat (2), the bottom end of an output shaft of the first motor (501) is provided with a threaded rod (502), the top end of the threaded rod (502) is fixedly connected with the output shaft of the first motor (501), the outer wall of the threaded rod (502) is movably connected with the mounting seat (2) and the supporting frame (4), the outer wall of the threaded rod (502) is provided with a sliding block (503), the inner wall of the sliding block (503) is in threaded connection with the threaded rod (502), the left side and the right side of the sliding block (503) are fixedly connected with connecting plates (504), the outer walls of the two connecting plates (504) penetrate through the supporting frame (4) and are movably connected with a vertical plate (505), the outer wall of the connecting plate (504) is in clearance fit with the inner sliding groove of the support frame (4), the bottom end of the vertical plate (505) is movably connected with a scraper (506), and the top end of the scraper (506) is movably connected with the support frame (4).
2. The novel intelligent electric pole foundation expanding device as claimed in claim 1, wherein: the connecting plates (504) are symmetrically distributed about the slider (503).
3. The novel intelligent electric pole foundation expanding device as claimed in claim 1, wherein: the bottom of support frame (4) is equipped with toper piece (8), the top of toper piece (8) and the bottom looks rigid coupling of support frame (4), second belt pulley (9) have been cup jointed to the outer wall of mount pad (2), the inner wall of second belt pulley (9) and the outer wall interference fit of mount pad (2), the upper surface right side threaded connection of mount pad (2) has inserted bar (10), the inside recess clearance fit of mount pad (2) and link (1) is run through to the bottom of inserted bar (10).
4. The novel intelligent electric pole foundation expanding device as claimed in claim 1, wherein: an adjusting mechanism (6) is arranged on the right side of the lower surface of the connecting frame (1);
the adjusting mechanism (6) comprises a base (601), a fixing plate (602), a groove plate (603), a threaded pin (604) and a nut (605);
the upper surface of base (601) is equipped with fixed plate (602), the bottom of fixed plate (602) and the upper surface looks rigid coupling of base (601), frid (603) are all installed at the left and right sides top of fixed plate (602), two the equal clearance fit of inner wall and the outer wall of fixed plate (602) of frid (603), the top of frid (603) and the lower surface right side rigid coupling of link (1), the equal rigid coupling in left and right sides top of fixed plate (602) has screw thread round pin (604), two the outer wall of screw thread round pin (604) all runs through frid (603) and nut (605) threaded connection, the outer wall of screw thread round pin (604) and the inside spout clearance fit of frid (603), the outer wall of nut (605) and the outer wall of frid (603) closely laminate.
5. The novel intelligent electric pole foundation expanding device as claimed in claim 4, wherein: the threaded pin (604) is arranged perpendicular to the fixing plate (602).
6. The novel intelligent electric pole foundation expanding device as claimed in claim 1, wherein: a power mechanism (7) is arranged in the connecting frame (1);
the power mechanism (7) comprises a second motor (701), a coupler (702), a transmission rod (703), a first belt pulley (704) and a belt (705);
the right-hand member of second motor (701) and link (1) looks rigid coupling, the bottom rigid coupling of second motor (701) output shaft has shaft coupling (702), the inside rigid coupling of shaft coupling (702) has transfer line (703), the bottom of second motor (701) output shaft passes through shaft coupling (702) and transfer line (703) looks rigid coupling, the outer wall and the link (1) activity of transfer line (703) link to each other, the outer wall of transfer line (703) has cup jointed first belt pulley (704), the inner wall of first belt pulley (704) and the outer wall looks rigid coupling of transfer line (703), clearance fit has belt (705) in the outer wall recess of first belt pulley (704), the outer wall of first belt pulley (704) passes through belt (705) and links to each other with the outer wall activity of second belt pulley (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342736.9A CN112323895B (en) | 2020-11-26 | 2020-11-26 | Intelligence pole ground is opened and is expanded device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342736.9A CN112323895B (en) | 2020-11-26 | 2020-11-26 | Intelligence pole ground is opened and is expanded device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112323895A true CN112323895A (en) | 2021-02-05 |
| CN112323895B CN112323895B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011342736.9A Active CN112323895B (en) | 2020-11-26 | 2020-11-26 | Intelligence pole ground is opened and is expanded device |
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| CN (1) | CN112323895B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU626153A1 (en) * | 1977-03-21 | 1978-09-30 | Научно-Исследовательская Лаборатория Строительного Производства Карагандинского Ордена Трудового Красного Знамени Политехнического Института | Borehole diameter enlarging apparatus |
| CN85106187A (en) * | 1985-05-31 | 1987-02-18 | 东京制作所(株式会社) | Stake hole bucket and method for digging thereof that the bottom reaming is used |
| CN2544085Y (en) * | 2001-10-26 | 2003-04-09 | 辽河石油勘探局工程技术研究院 | Downhole large diameter reamer |
| CN102296655A (en) * | 2011-06-21 | 2011-12-28 | 北京航空航天大学 | Cylindrical extruding and expanding device for extruding and expanding for pore-forming in stratum |
| CN210888804U (en) * | 2019-10-31 | 2020-06-30 | 河南电力工程有限公司 | Intelligence pole basis is opened and is expanded device |
| CN212003036U (en) * | 2020-04-13 | 2020-11-24 | 广东广强基础工程有限公司 | Foundation engineering pile hole bottom expanding construction device |
-
2020
- 2020-11-26 CN CN202011342736.9A patent/CN112323895B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU626153A1 (en) * | 1977-03-21 | 1978-09-30 | Научно-Исследовательская Лаборатория Строительного Производства Карагандинского Ордена Трудового Красного Знамени Политехнического Института | Borehole diameter enlarging apparatus |
| CN85106187A (en) * | 1985-05-31 | 1987-02-18 | 东京制作所(株式会社) | Stake hole bucket and method for digging thereof that the bottom reaming is used |
| CN2544085Y (en) * | 2001-10-26 | 2003-04-09 | 辽河石油勘探局工程技术研究院 | Downhole large diameter reamer |
| CN102296655A (en) * | 2011-06-21 | 2011-12-28 | 北京航空航天大学 | Cylindrical extruding and expanding device for extruding and expanding for pore-forming in stratum |
| CN210888804U (en) * | 2019-10-31 | 2020-06-30 | 河南电力工程有限公司 | Intelligence pole basis is opened and is expanded device |
| CN212003036U (en) * | 2020-04-13 | 2020-11-24 | 广东广强基础工程有限公司 | Foundation engineering pile hole bottom expanding construction device |
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| CN112323895B (en) | 2022-08-02 |
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Effective date of registration: 20220714 Address after: 1122 Yuanshen Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Applicant after: SHANGHAI HOUSHANG ELECTRIC POWER TECHNOLOGY CO.,LTD. Address before: No.1689, south 2nd Ring Road, Baoding City, Hebei Province, 071000 Applicant before: Ma Heping |
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