CN109403707B - V-shaped framework hoisting construction auxiliary equipment and construction method - Google Patents
V-shaped framework hoisting construction auxiliary equipment and construction method Download PDFInfo
- Publication number
- CN109403707B CN109403707B CN201811191471.XA CN201811191471A CN109403707B CN 109403707 B CN109403707 B CN 109403707B CN 201811191471 A CN201811191471 A CN 201811191471A CN 109403707 B CN109403707 B CN 109403707B
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- rod
- plate
- mounting
- vehicle body
- shaped framework
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/345—Arrangements for tilting up whole structures or sections thereof
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to auxiliary equipment for hoisting construction of a V-shaped framework, belonging to the technical field of construction of transformer substation frameworks. When the V-shaped frame is lifted by a crane, a worker clamps a rod body of the V-shaped frame through the clamping assembly, then the vehicle body is driven to walk through the driving device, the vehicle body drives the mounting cross beam to move and the supporting rod to move, the clamping assembly on the supporting rod and the crane jointly drive the V-shaped frame to move, when the rod body of the V-shaped frame moves right above the mounting cup opening, the vehicle body is stopped, so that the position of the rod body is kept unchanged, and then the V-shaped frame is lowered; avoid artifical manual support body of rod, improved the security of construction, and can make V-arrangement framework by quick handling to installation cup department, improve the efficiency of construction.
Description
Technical Field
The invention relates to the technical field of transformer substation framework construction, in particular to auxiliary equipment and a construction method for V-shaped framework hoisting construction.
Background
The framework in the transformer substation is a bearing structure consisting of steel pipes or concrete electric poles for hanging buses and leads, and three aspects of horizontal position, elevation and verticality need to be corrected on the framework in the hoisting construction of the transformer substation framework, otherwise, the framework beam cannot be installed. The correction of the cup bottom is already done when the cup base cup bottom is leveled, while the correction of the planar position of the post is done when in place. After the column is temporarily fixed, the verticality is corrected. The V-shaped framework comprises a left rod body and a right rod body, and one ends of the left rod body and the right rod body are fixedly connected to form a V shape.
At present, when the V-arrangement framework hoists the construction, excavate the installation rim of a cup that is used for installing the V-arrangement framework on the ground earlier, then adopt the crane directly to hoist the V-arrangement framework to the handling is to installing directly over the rim of a cup, then slowly transfer, fall into two installation rims of two stabilizer blades of V-arrangement framework, rectify at last again.
However, in the process of lifting the V-shaped frame to the position right above the mounting cup opening, a plurality of workers need to hold the support legs of the V-shaped frame by hands to prevent the V-shaped frame from shaking to affect positioning. The V-shaped framework is heavy in self weight and high in hoisting height, safety risk is high in the moving and correcting process, the hoisting speed is very slow in order to guarantee safety of workers and facilitate positioning of the V-shaped framework, construction efficiency is affected, and certain limitation exists.
Disclosure of Invention
One of the purposes of the invention is to provide auxiliary equipment for hoisting construction of a V-shaped framework, which has the advantages of clamping the V-shaped framework, preventing the V-shaped framework from shaking and improving the construction efficiency.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a V-arrangement framework hoist and mount construction auxiliary assembly, includes the automobile body and is used for driving the drive arrangement of automobile body walking, the fixed installation crossbeam that is provided with on the automobile body, be provided with two parallel arrangement's branch on the installation crossbeam, every the one end that the automobile body was kept away from to branch is provided with the centre gripping subassembly that is used for the body of rod of centre gripping V-arrangement framework.
When the technical scheme is implemented, after the V-shaped framework is lifted by a crane, a worker clamps a rod body of the V-shaped framework through the clamping assembly, then the vehicle body is driven to walk through the driving device, the vehicle body drives the mounting cross beam to move and the supporting rod to move, the clamping assembly on the supporting rod and the crane jointly drive the V-shaped framework to move, when the rod body of the V-shaped framework moves right above the mounting cup opening, the vehicle body is stopped, so that the position of the rod body is kept unchanged, and then the V-shaped framework is lowered; avoid artifical manual support body of rod, improved the security of construction, and can make V-arrangement framework by quick handling to installation cup department, improve the efficiency of construction.
Further, the centre gripping subassembly includes fixed plate, mounting panel, butt board and pneumatic cylinder, the fixed plate is fixed to be set up on branch, the mounting panel is fixed to be set up in the both ends of fixed plate, and fixed plate and mounting panel form II shape structure, and the opening of II shape structure is towards the direction of advance of automobile body, the butt board slides and sets up on the mounting panel, the pneumatic cylinder is fixed to be set up on the mounting panel in order to be used for ordering about two butt boards and is close to or keep away from each other, the piston rod and the butt board fixed connection of pneumatic cylinder.
Implement above-mentioned technical scheme, treat that the body of rod of V-arrangement framework is in back of II-shaped structure, start the pneumatic cylinder, the pneumatic cylinder drives the butt joint board motion to order about butt joint board and the body of rod to support tightly, at the in-process of V-arrangement framework motion, play the purpose that prevents the body of rod and rock.
Further, slide on the mounting panel and wear to be equipped with the guide bar that runs through the mounting panel, the perpendicular branch setting of guide bar, the one end and the butt plate fixed connection of guide bar.
Implement above-mentioned technical scheme, at the in-process of butt plate motion, the effect to the butt plate direction is played in the setting of guide bar, prevents that the butt plate from rotating, makes the butt plate keep just to the state of the body of rod, improves the centre gripping effect.
Further, butt joint board is the arc of the body of rod laminating with the V-arrangement framework.
Implement above-mentioned technical scheme, the arc has increased the area of contact with the body of rod, improves the centre gripping effect.
Furthermore, a plurality of balls in rolling connection with the abutting plates are arranged on the side walls opposite to the two abutting plates.
Implement above-mentioned technical scheme, the setting up of ball plays the frictional force that receives when reducing the body of rod and transferring, reduces the impact force that the butt joint board received simultaneously, prevents that the butt joint board from damaging, improves the life of butt joint board.
Further, the lateral wall that the installation crossbeam is close to branch has seted up the spout along self length direction, the fixed slider of being connected that slides with the spout that is provided with on the branch, be provided with on the installation crossbeam and be used for ordering about the gliding drive assembly of branch.
Implement above-mentioned technical scheme, when the great V-arrangement framework of the distance between the two body of rod of installation, slide along the spout through drive assembly drive slider, the slider drives two branches and moves to the direction of keeping away from each other to realize increasing the purpose of the interval between two centre gripping subassemblies, with the great V-arrangement framework of adaptation size.
Further, the spout sets up to the dovetail, the slider sets up to the dovetail block with dovetail looks adaptation, drive assembly includes two-way lead screw and motor, two-way lead screw rotate set up in the spout and with slider threaded connection, the motor is fixed to be used for driving two-way lead screw rotation so that two poles move to the direction that is close to each other or keeps away from on the installation crossbeam.
Implement above-mentioned technical scheme, starter motor, motor drive two-way lead screw and rotate, and two-way lead screw drives the slider and slides along the spout to the realization drives branch to the purpose of the direction motion of being close to each other or keeping away from, and the swallow-tail piece cooperates with the dovetail simultaneously, plays the purpose that prevents branch and break away from the spout, and the installation is more stable.
Further, the vehicle body is provided with a chain plate type chassis.
According to the technical scheme, the arrangement of the chain plate type chassis reduces the pressure on the ground, so that the movement of the vehicle body is more stable.
The invention also aims to provide a hoisting construction method for the V-shaped framework, which has the advantages of preventing the V-shaped framework from shaking and improving the construction efficiency.
The technical purpose of the invention is realized by the following technical scheme:
a V-shaped framework hoisting construction method comprises the following steps:
the method comprises the following steps: concrete is poured and molded to form a concrete base, mounting cup openings are formed in the concrete base, every two mounting cup openings form one group, two groups are formed, four mounting cup openings are arranged in two rows and two columns, and the bottom surfaces of all mounting cup openings are leveled;
step two: hoisting the V-shaped framework by a crane, and enabling the support legs of the V-shaped framework to be higher than the ground;
step three: clamping and positioning the V-shaped framework through the V-shaped framework hoisting construction auxiliary equipment as claimed in any one of claims 1 to 8, and moving the V-shaped framework to be right above the mounting cup mouth under the action of a crane;
step four: and (3) lowering the V-shaped framework through a crane, keeping the V-shaped framework in a vertical state, and filling concrete into the mounting cup mouth for filling.
According to the technical scheme, the concrete base is formed by pouring and molding concrete, the concrete base is provided with the mounting cup mouths, every two mounting cup mouths are divided into one group, the two groups are formed, the four mounting cup mouths are arranged in two rows and two columns, and the bottom surfaces of all the mounting cup mouths are leveled; hoisting the V-shaped framework by a crane, and enabling the support legs of the V-shaped framework to be higher than the ground; the V-shaped framework is clamped and positioned through the clamping assembly, and is moved to the position right above the mounting cup opening under the combined action of the clamping assembly and the crane, so that the advancing speed of the trolley body is kept consistent with the movement speed of the crane; transfer the V-arrangement framework through the crane, keep the V-arrangement framework to be in vertical state, fill the concrete in the installation rim of a cup and tamp, avoid artifical manual support body of rod, improved the security of construction, and can make the V-arrangement framework by quick handling to installation rim of a cup department, improve the efficiency of construction.
In summary, compared with the prior art, the beneficial effects of the invention are as follows: when the V-shaped frame is lifted by a crane, a worker clamps a rod body of the V-shaped frame through the clamping assembly, then the vehicle body is driven to walk through the driving device, the vehicle body drives the mounting cross beam to move and the supporting rod to move, the clamping assembly on the supporting rod and the crane jointly drive the V-shaped frame to move, when the rod body of the V-shaped frame moves right above the mounting cup opening, the vehicle body is stopped, so that the position of the rod body is kept unchanged, and then the V-shaped frame is lowered; avoid artifical manual support body of rod, improved the security of construction, and can make V-arrangement framework by quick handling to installation cup department, improve the efficiency of construction.
Drawings
FIG. 1 is an overall schematic structural view of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic illustration of the construction of an embodiment of the present invention.
Reference numerals: 1. a vehicle body; 11. a chain plate type chassis; 2. mounting a cross beam; 21. a strut; 211. a slider; 22. a chute; 31. a fixing plate; 32. mounting a plate; 321. a guide bar; 33. a butt joint plate; 331. a ball bearing; 34. a pneumatic cylinder; 4. a drive assembly; 41. a bidirectional screw rod; 42. a motor; 5. a V-shaped frame; 51. a rod body; 6. and (5) installing a cup opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 and 3, the auxiliary device for hoisting construction of the V-shaped framework comprises a vehicle body 1 and a driving device for driving the vehicle body 1 to travel, wherein the driving device is the same as that of an excavator or a crane, and the vehicle body 1 is provided with a chain plate type chassis 11 to reduce the pressure on the ground and enable the vehicle body 1 to move more stably. The vehicle body 1 is fixedly provided with an installation crossbeam 2, the installation crossbeam 2 is provided with two support rods 21 which are arranged in parallel, and one end of each support rod 21, which is far away from the vehicle body 1, is provided with a clamping assembly for clamping a rod body 51 of the V-shaped framework 5.
As shown in fig. 1, the side wall of the mounting beam 2 close to the supporting rod 21 is provided with a sliding groove 22 along the length direction thereof, the supporting rod 21 is fixedly provided with a sliding block 211 connected with the sliding groove 22 in a sliding manner, the sliding groove 22 is provided with a dovetail groove, and the sliding block 211 is provided with a dovetail block matched with the dovetail groove. The mounting beam 2 is provided with a driving assembly 4 for driving the supporting rods 21 to slide, the driving assembly 4 comprises a bidirectional screw rod 41 and a motor 42, the bidirectional screw rod 41 is rotatably arranged in the sliding groove 22 and is in threaded connection with the sliding block 211, and the motor 42 is fixedly arranged on the mounting beam 2 and is used for driving the bidirectional screw rod 41 to rotate so as to enable the two supporting rods 21 to move towards or away from each other.
When the V-shaped framework 5 with a larger distance between the two rod bodies 51 is installed, the motor 42 is started, the motor 42 drives the two-way screw rod 41 to rotate, the two-way screw rod 41 drives the sliding block 211 to slide along the sliding groove 22, and the sliding block 211 drives the supporting rod 21 to move towards the direction close to or away from each other, so that the purpose of increasing the distance between the two clamping components is achieved, and the V-shaped framework 5 with a larger size is adapted.
As shown in fig. 1 and 2, the clamping assembly includes a fixing plate 31, a mounting plate 32, a butt plate 33 and a pneumatic cylinder 34, the fixing plate 31 is fixedly disposed on the supporting rod 21, the mounting plate 32 is fixedly disposed at two ends of the fixing plate 31, the fixing plate 31 and the mounting plate 32 form an n-shaped structure, an opening of the n-shaped structure faces an advancing direction of the vehicle body 1, the butt plate 33 is slidably disposed on the mounting plate 32, referring to fig. 3, the butt plate 33 is an arc plate fitted to the rod body 51 of the V-shaped frame 5, and a plurality of balls 331 are disposed on side walls facing the two butt plates 33 and are in rolling connection with the butt plate 33; the arc has increased the area of contact with the body of rod 51, improves the centre gripping effect, and ball 331 sets up the frictional force that receives when playing the reduction body of rod 51 and transferring, reduces the impact force that butt joint board 33 received simultaneously, prevents that butt joint board 33 from damaging, improves butt joint board 33's life.
As shown in fig. 1 and 2, a pneumatic cylinder 34 is fixedly disposed on the mounting plate 32 for driving the two abutting plates 33 to move toward or away from each other, and a piston rod of the pneumatic cylinder 34 is fixedly connected to the abutting plates 33. A guide rod 321 penetrating through the mounting plate 32 is slidably arranged on the mounting plate 32 in a penetrating manner, the guide rod 321 is arranged perpendicular to the support rod 21, and one end of the guide rod 321 is fixedly connected with the abutting plate 33; in the process of the movement of the abutting plate 33, the guide rod 321 is arranged to guide the abutting plate 33, so that the abutting plate 33 is prevented from rotating, the abutting plate 33 is kept in a state of being opposite to the rod body 51, and the clamping effect is improved.
Treat that body of rod 51 of V-arrangement framework 5 is in back in the II-shaped structure, start pneumatic cylinder 34, pneumatic cylinder 34 drives the motion of butt joint board 33 to order about butt joint board 33 and body of rod 51 to support tightly, at the in-process of the motion of V-arrangement framework 5, play the purpose that prevents body of rod 51 and rock.
The specific working process is as follows: after the V-shaped framework 5 is lifted by the crane, a worker starts the trolley body 1, adjusts the position of the trolley body 1 to enable the rod body 51 of the V-shaped framework 5 to be in the II-shaped structure, then starts the pneumatic cylinder 34, and the pneumatic cylinder 34 drives the abutting plate 33 to move and drives the abutting plate 33 to abut against the rod body 51; then, the vehicle body 1 is driven to walk through the driving device, the vehicle body 1 drives the mounting cross beam 2 to move and the supporting rod 21 to move, the clamping assembly on the supporting rod 21 and the crane jointly drive the V-shaped framework 5 to move, when the rod body 51 of the V-shaped framework 5 moves right above the mounting cup opening 6, the vehicle body 1 is stopped, so that the position of the rod body 51 is kept unchanged, and then the V-shaped framework 5 is lowered; avoid artifical manual support body of rod 51, improved the security of construction, and can make V-arrangement framework 5 by quick handling to installation rim of a cup 6 department, improve the efficiency of construction.
Example two:
as shown in fig. 3, a V-shaped frame hoisting construction method includes the following steps:
the method comprises the following steps: concrete is poured and molded to form a concrete base, mounting cup mouths 6 are formed in the concrete base, every two mounting cup mouths 6 form one group, the two groups of mounting cup mouths are two groups, four mounting cup mouths 6 are arranged in two rows and two columns, and the bottom surfaces of all the mounting cup mouths 6 are leveled;
step two: hoisting the V-shaped framework 5 by a crane, and enabling the support legs of the V-shaped framework 5 to be higher than the ground;
step three: the V-shaped framework 5 is clamped and positioned by the auxiliary hoisting construction equipment of the V-shaped framework 5 as claimed in any one of claims 1 to 8, and the V-shaped framework 5 is moved to be right above the mounting cup mouth 6 under the action of a crane;
step four: the V-shaped framework 5 is lowered through a crane, the V-shaped framework 5 is kept in a vertical state, and concrete is poured into the mounting cup mouth 6 for filling.
Concrete is poured and molded to form a concrete base, mounting cup mouths 6 are formed in the concrete base, every two mounting cup mouths 6 form one group, the two groups of mounting cup mouths are two groups, four mounting cup mouths 6 are arranged in two rows and two columns, and the bottom surfaces of all the mounting cup mouths 6 are leveled; hoisting the V-shaped framework 5 by a crane, and enabling the support legs of the V-shaped framework 5 to be higher than the ground; the V-shaped framework 5 is clamped and positioned through the clamping assembly, and the V-shaped framework 5 is moved to the position right above the mounting cup opening 6 under the combined action of the clamping assembly and the crane, so that the advancing speed of the trolley body 1 is kept consistent with the movement speed of the crane; transfer V-arrangement framework 5 through the crane, keep V-arrangement framework 5 to be in vertical state, fill the concrete in 6 infill of installation rim of a cup, avoid artifical manual support body of rod 51, improved the security of construction, and can make V-arrangement framework 5 by quick handling to 6 departments of installation rim of a cup, improve the efficiency of construction.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a V-arrangement framework hoist and mount construction auxiliary assembly which characterized in that: the device comprises a vehicle body (1) and a driving device for driving the vehicle body (1) to walk, wherein a mounting cross beam (2) is fixedly arranged on the vehicle body (1), two support rods (21) which are arranged in parallel are arranged on the mounting cross beam (2), and a clamping assembly for clamping a rod body (51) of a V-shaped framework (5) is arranged at one end, away from the vehicle body (1), of each support rod (21); the clamping assembly comprises a fixing plate (31), a mounting plate (32), a butt plate (33) and a pneumatic cylinder (34), wherein the fixing plate (31) is fixedly arranged on a support rod (21), the mounting plate (32) is fixedly arranged at two ends of the fixing plate (31), the fixing plate (31) and the mounting plate (32) form a II-shaped structure, the opening of the II-shaped structure faces the advancing direction of the vehicle body (1), the butt plate (33) is slidably arranged on the mounting plate (32), the pneumatic cylinder (34) is fixedly arranged on the mounting plate (32) and used for driving the two butt plates (33) to be close to or away from each other, and a piston rod of the pneumatic cylinder (34) is fixedly connected with the butt plate (33); the vehicle body (1) is provided with a chain plate type chassis (11); the side wall, close to the support rod (21), of the mounting cross beam (2) is provided with a sliding groove (22) along the length direction of the mounting cross beam, a sliding block (211) connected with the sliding groove (22) in a sliding mode is fixedly arranged on the support rod (21), and a driving assembly (4) used for driving the support rod (21) to slide is arranged on the mounting cross beam (2); drive assembly (4) include two-way lead screw (41) and motor (42), two-way lead screw (41) rotate set up in spout (22) and with slider (211) threaded connection, motor (42) fixed set up be used for driving two-way lead screw (41) to rotate so that two branch (21) move to the direction that is close to each other or keeps away from on installation crossbeam (2).
2. The V-shaped framework hoisting construction auxiliary device as claimed in claim 1, wherein: the mounting panel (32) go up the slip and wear to be equipped with guide bar (321) that run through mounting panel (32), guide bar (321) perpendicular branch (21) set up, the one end and butt joint board (33) fixed connection of guide bar (321).
3. The V-shaped framework hoisting construction auxiliary device as claimed in claim 2, wherein: the abutting plate (33) is an arc-shaped plate attached to a rod body (51) of the V-shaped framework (5).
4. The V-shaped framework hoisting construction auxiliary device as claimed in claim 3, wherein: and a plurality of balls (331) which are in rolling connection with the abutting plates (33) are arranged on the side walls which are opposite to the abutting plates (33).
5. The V-shaped framework hoisting construction auxiliary device as claimed in claim 4, wherein: the sliding groove (22) is a dovetail groove, and the sliding block (211) is a dovetail block matched with the dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191471.XA CN109403707B (en) | 2018-10-12 | 2018-10-12 | V-shaped framework hoisting construction auxiliary equipment and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191471.XA CN109403707B (en) | 2018-10-12 | 2018-10-12 | V-shaped framework hoisting construction auxiliary equipment and construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN109403707A CN109403707A (en) | 2019-03-01 |
| CN109403707B true CN109403707B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811191471.XA Expired - Fee Related CN109403707B (en) | 2018-10-12 | 2018-10-12 | V-shaped framework hoisting construction auxiliary equipment and construction method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113279621A (en) * | 2021-05-20 | 2021-08-20 | 北京博大恒生送变电工程有限公司 | Electric pole correcting device for electric power construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669957A (en) * | 2013-12-10 | 2014-03-26 | 国家电网公司 | V-shaped framework hoisting construction method |
| CN205637815U (en) * | 2016-05-24 | 2016-10-12 | 黎浩 | Quick righting device of electric power pole |
| CN108312162A (en) * | 2018-02-08 | 2018-07-24 | 海宁市盛祥线业有限公司 | A kind of clamping device of rubber processing |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE419852B (en) * | 1979-10-05 | 1981-08-31 | Hiab Foco Ab | Grippers to be fitted on crane jibs for handling and pulling up poles |
| SE439173B (en) * | 1980-10-02 | 1985-06-03 | Pejo Sekerhetsdetaljer Ab | Device for gripping and erection of posts mounted on buckets |
| CN203141494U (en) * | 2012-12-11 | 2013-08-21 | 王子豪 | Maintenance robot for chemical pipe network |
| CN104858854B (en) * | 2015-05-21 | 2017-05-10 | 北京信息科技大学 | Lightweight mechanical arm for carrying objects |
| CN106088788B (en) * | 2016-07-12 | 2018-08-21 | 浙江邮电职业技术学院 | A kind of electric pole mounting robot |
| CN106938787A (en) * | 2017-04-21 | 2017-07-11 | 广州雍远溯智能装备科技有限公司 | A kind of multi-functional Zhua Ping robots |
| CN207260611U (en) * | 2017-10-04 | 2018-04-20 | 陈燕霞 | Lightweight wall plate rotation holds riser machine |
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2018
- 2018-10-12 CN CN201811191471.XA patent/CN109403707B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669957A (en) * | 2013-12-10 | 2014-03-26 | 国家电网公司 | V-shaped framework hoisting construction method |
| CN205637815U (en) * | 2016-05-24 | 2016-10-12 | 黎浩 | Quick righting device of electric power pole |
| CN108312162A (en) * | 2018-02-08 | 2018-07-24 | 海宁市盛祥线业有限公司 | A kind of clamping device of rubber processing |
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| CN109403707A (en) | 2019-03-01 |
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Granted publication date: 20201208 Termination date: 20211012 |