CN112125143B - Multi-point type supporting and lifting device for electric power iron tower installation construction - Google Patents

Multi-point type supporting and lifting device for electric power iron tower installation construction Download PDF

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Publication number
CN112125143B
CN112125143B CN202011008882.8A CN202011008882A CN112125143B CN 112125143 B CN112125143 B CN 112125143B CN 202011008882 A CN202011008882 A CN 202011008882A CN 112125143 B CN112125143 B CN 112125143B
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China
Prior art keywords
lifting
rod
protection
supporting
iron tower
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CN202011008882.8A
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Chinese (zh)
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CN112125143A (en
Inventor
常江
姜克儒
朱刘柱
盛金马
葛成
韩承永
李鸿鹏
谢雪
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State Grid Anhui Zhongxing Electric Power Design Institute Co ltd
Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Anhui Zhongxing Electric Power Design Institute Co ltd
Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
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Publication of CN112125143A publication Critical patent/CN112125143A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00Base supporting structures with legs
    • B66C5/02Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74Capstans
    • B66D1/7442Capstans having a horizontal rotation axis
    • B66D1/7447Capstans having a horizontal rotation axis driven by motor only
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Jib Cranes (AREA)

Abstract

The invention relates to a multipoint type supporting and lifting device for electric power iron tower installation construction, which comprises a connecting unit, a supporting unit, a protecting unit and a lifting unit, wherein the supporting unit is uniformly arranged on the lower end surface of the connecting unit, the protecting unit is uniformly arranged at the upper end of the connecting unit, and the protecting units are distributed in a ring shape. The invention can solve the problems that the prior electric power iron tower crane lifting device cannot adopt a multi-point supporting mode to support the lifting when aiming at the electric power iron tower, thereby reducing the stability of the supporting, and cannot realize the supporting work on uneven ground, thereby reducing the applicability of the lifting work, meanwhile, the iron tower cannot be protected when the iron tower is lifted, the phenomenon of sudden drop easily occurs after the lifting fault of the iron tower, thereby reducing the safety of the work, the lifting stability cannot be ensured, the phenomenon of collision easily occurs between the iron tower and equipment, the integrity of the iron tower and the like.

Description

Multi-point type supporting and lifting device for electric power iron tower installation construction
Technical Field
The invention relates to the technical field of power grid laying, in particular to a multipoint type supporting and lifting device for electric power iron tower installation and construction.
Background
The electric iron tower is a tower-shaped building for power transmission, and is structurally characterized in that various towers are of a space truss structure, rod pieces mainly consist of single equilateral angle steel or combined angle steel, two materials, namely Q235 (A3F) and Q345 (16 Mn), are generally used, crude bolts are used for connection among the rod pieces, the rod pieces are connected by shear force through the bolts, and the whole tower consists of angle steel, connecting steel plates and bolts; the power pylon is generally installed by lifting by means of a lifting device.
At present, when the existing electric power iron tower crane lifting device is installed for an electric power iron tower, the following defects generally exist: 1. the hoisting can not be supported in a multipoint supporting mode, so that the stability of the supporting is reduced, and the supporting work on uneven ground can not be realized, so that the applicability of the hoisting work is reduced; 2. can not protect the iron tower when iron tower lifting movement, the phenomenon that easily appears suddenly descending after the iron tower hoist and mount trouble to the security of work has been reduced, and can not ensure the stability of hoist and mount, the phenomenon of easily taking place the collision between iron tower and the equipment has reduced the integrality of iron tower.
Disclosure of Invention
First, the technical problem to be solved
The invention can solve the problems that the prior electric power iron tower crane lifting device cannot adopt a multi-point supporting mode to support the lifting when aiming at the electric power iron tower, thereby reducing the stability of the supporting, and cannot realize the supporting work on uneven ground, thereby reducing the applicability of the lifting work, meanwhile, the iron tower cannot be protected when the iron tower is lifted, the phenomenon of sudden drop easily occurs after the lifting fault of the iron tower, thereby reducing the safety of the work, ensuring the stability of the lifting, easily generating the collision phenomenon between the iron tower and equipment, reducing the integrity of the iron tower and the like.
(II) technical scheme
In order to achieve the above purpose, the invention adopts the following technical scheme that the multi-point type supporting and lifting device for the installation and construction of the electric power iron tower comprises a connecting unit, a supporting unit, a protecting unit and a lifting unit, wherein the supporting unit is uniformly arranged on the lower end face of the connecting unit, the protecting units are uniformly arranged at the upper end of the connecting unit and distributed in a ring shape, the lower end of the protecting unit is fixed on the connecting unit in a threaded fit manner, and the lifting unit is connected at the upper end of the protecting unit in a threaded fit manner.
The supporting unit include bracing piece, adjusting screw, supporting shoe, auxiliary block, chucking screw and chucking piece, the bracing piece install on the terminal surface under the connecting unit, the bracing piece lower extreme is connected with adjusting screw through screw thread fit's mode, the supporting shoe is installed to the adjusting screw lower extreme, the bracing piece outer terminal surface evenly is provided with the triangle draw-in groove, the bracing piece outside is provided with auxiliary block, auxiliary block is connected with the bracing piece through sliding fit's mode, auxiliary block inside upside is connected with the chucking screw through screw thread fit's mode, chucking piece is installed to chucking screw inner, sliding connection between chucking piece and the auxiliary block, specifically during operation, at first, the manual supporting shoe that rotates according to the planarization of soil carries out altitude mixture control through adjusting screw, afterwards, manual sliding auxiliary block, manual rotation chucking screw, chucking screw passes through chucking piece and bracing piece cooperation, realize the function of support.
The protection unit include guard bar, protection piece, reset spring, connecting rod and linkage board, the connecting unit upper end evenly be provided with the guard bar from last to down, the guard bar that is located the downside cooperates with the connecting unit joint, it is fixed through locking screw between connecting unit and the guard bar, fix through fixing screw between the guard bar, the guard bar is U type structure, the inside rectangular channel that evenly is provided with of guard bar, rectangular channel lateral wall has the protection piece through the round pin hub connection, be connected with reset spring between protection piece lower extreme and the rectangular channel lower wall, the connecting rod is installed to the protection piece lateral wall, the linkage board is installed to the one end that the protection piece was kept away from to the connecting rod, connecting rod and guard bar lateral wall sliding connection, specific during operation, at first, according to the high of hoist and mount, the manual work splices the guard bar, afterwards, the protection piece plays the effect of protection to lifting the unit, thereby avoid the iron tower to appear the incident when hoist and ensured the security of work, at last, when lifting the unit descends, the linkage board drives the protection piece through the connecting rod and rotates, thereby remove the protection to lifting the unit, lifting the unit of being convenient for.
The lifting unit comprises a lifting plate, a supporting frame, a winding roller, a winding motor, a lifting plate and a lifting mechanism, wherein the lifting plate is connected to the upper end face of a protection rod at the uppermost side in a clamping manner, the protection rod is fixed with the lifting plate through a connecting screw, the supporting frame is installed at the upper end of the lifting plate, the supporting frame is connected with the winding roller through a bearing, the winding roller end face is connected with the winding motor, the winding motor is installed on the lifting plate, the winding roller is uniformly connected with a steel wire rope, the lower end of the steel wire rope is connected with the lifting plate, the lifting plate is connected with the protection rod in a sliding fit manner, the lifting mechanism is installed at the lower end of the lifting plate, and when the lifting mechanism works specifically, firstly, the lifting mechanism is installed with an iron tower in a manual manner, then the winding motor is started manually, the winding motor drives the steel wire rope to ascend through the winding roller, the steel wire rope drives the lifting mechanism to ascend, and accordingly the lifting function is achieved, and finally, the iron tower is installed in a manual manner.
As a preferable technical scheme of the invention, the connecting unit comprises a connecting ring, an electric push rod, a jacking ring and a jacking block, wherein the electric push rod is arranged at the lower end of the connecting ring through a push rod seat, the jacking ring is arranged at the upper end of the electric push rod, the jacking ring is connected with the inner wall of the connecting ring in a sliding fit manner, the jacking block is uniformly arranged at the upper end of the jacking ring, the upper end of the jacking block is matched with the linkage plate, when the lifting unit descends, the electric push rod is manually started, and the electric push rod drives the linkage plate to ascend through the jacking block, so that the protection relieving function is realized.
As a preferable technical scheme of the invention, the lifting mechanism comprises a lifting frame, a tightening screw rod, a lifting plate, a limit rod, a tightening arc rod, a rotating roller, an auxiliary spring and a lifting hook, wherein the lifting frame is arranged on the lower end face of the lifting plate, the middle part of the lifting frame is connected with the tightening screw rod in a threaded fit manner, the middle part of the tightening screw rod is connected with the lifting plate through a bearing, the lifting plate is connected with the limit rod in a sliding fit manner, the limit rod is arranged on the lower end face of the lifting frame, the upper end of the lifting plate is uniformly connected with a pull rope, the upper end of the pull rope is connected with the tightening arc rod, the tightening arc rod is connected with the lifting frame in a sliding fit manner, the lower end of the tightening arc rod is provided with the rotating roller through the roller frame, the auxiliary spring is arranged between the upper end of the tightening arc rod and the lifting frame, the lifting hook is arranged on the outer side of the tightening arc rod, the lifting hook is arranged on the lower end face of the lifting plate, the lifting hook is in sliding fit with the rotating roller, and in specific work, firstly, the lifting hook is connected with the iron tower in a manual manner, the lifting rod is manually rotated, the tightening screw rod is driven by the lifting rod to fall through the lifting rod, and the lifting rod is tightly driven by the lifting rod to drive the lifting rope, and the lifting rope is tightly, so that the iron tower is prevented from colliding with the iron tower, and the equipment is protected.
As a preferable technical scheme of the invention, rectangular protrusions are arranged at the lower ends of the protection rods, rectangular clamping grooves are arranged at the upper ends of the protection rods, the protection rods are connected with the rectangular clamping grooves in a matched mode through the rectangular protrusions, and when the protection rods work specifically, the rectangular protrusions are matched with the rectangular clamping grooves to achieve the connecting function.
As a preferable technical scheme of the invention, the protection block is of an L-shaped structure, the lower end surface of the protection block is provided with an inclined surface, and the inclined surface is convenient for jacking the protection block when the lifting plate rises during specific work.
As a preferable technical scheme of the invention, the clamping block is of a rectangular structure, the inner end surface of the clamping block is provided with the triangular bulge, the triangular bulge is matched with the triangular clamping groove in a clamping way, and the triangular bulge is matched with the triangular clamping groove in a clamping way in specific work, so that the clamping and fixing functions are realized.
(III) beneficial effects
1. According to the multipoint supporting and lifting device for the electric power iron tower installation construction, the multipoint supporting mode is adopted to support lifting, so that the supporting stability is improved, and the adopted supporting unit can be used for adjusting the height, so that supporting work on uneven ground can be realized, and the applicability of lifting work is improved;
2. according to the multi-point type supporting and lifting device for the installation and construction of the electric power iron tower, the adopted protection unit can protect the iron tower during lifting movement of the iron tower, the phenomenon that the iron tower suddenly descends after lifting failure is avoided, and therefore working safety is ensured;
3. according to the multi-point type supporting lifting device for the installation and construction of the electric power iron tower, the lifting stability of the lifting unit can be ensured during lifting, the collision between the iron tower and equipment is avoided, and the integrity of the iron tower is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the N-direction of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of the invention in the X direction of FIG. 2;
fig. 5 is an enlarged view of the invention in the direction D of fig. 2.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1 to 5, the multi-point type supporting lifting device for electric power iron tower installation construction comprises a connecting unit 1, a supporting unit 2, a protecting unit 3 and a lifting unit 4, wherein the supporting unit 2 is uniformly arranged on the lower end face of the connecting unit 1, the protecting unit 3 is uniformly arranged at the upper end of the connecting unit 1, the protecting units 3 are distributed in a ring shape, the lower end of the protecting unit 3 is fixed on the connecting unit 1 in a threaded fit manner, and the lifting unit 4 is connected with the upper end of the protecting unit 3 in a threaded fit manner.
The connecting unit 1 include go-between 11, electric putter 12, jacking ring 13 and jacking piece 14, the go-between 11 lower extreme install electric putter 12 through the push rod seat, jacking ring 13 is installed to electric putter 12 upper end, jacking ring 13 is connected with go-between 11 inner wall through sliding fit's mode, jacking piece 14 is evenly installed to jacking ring 13 upper end, jacking piece 14 upper end and linkage plate 35 cooperation, the during specific work, when lifting unit 4 descends, manually start electric putter 12, electric putter 12 drives linkage plate 35 through jacking piece 14 and rises to realize removing the function of protection.
The supporting unit 2 include bracing piece 21, adjusting screw 22, supporting shoe 23, auxiliary block 24, clamping screw 25 and clamping piece 26, the bracing piece 21 install on connecting unit 1 lower terminal surface, the bracing piece 21 lower extreme is connected with adjusting screw 22 through screw thread fit's mode, supporting shoe 23 is installed to adjusting screw 22 lower extreme, the bracing piece 21 outer terminal surface evenly is provided with the triangle draw-in groove, the bracing piece 21 outside is provided with auxiliary block 24, auxiliary block 24 is connected with bracing piece 21 through sliding fit's mode, the inside upside of auxiliary block 24 is connected with clamping screw 25 through screw thread fit's mode, clamping piece 26 is installed to clamping screw 25 inner, sliding connection between clamping piece 26 and the auxiliary block 24, specifically during operation, at first, according to the manual rotation supporting shoe 23 of flatness of soil, supporting shoe 23 carries out altitude mixture control through adjusting screw 22, afterwards, manual sliding auxiliary block 24, manual rotation clamping screw 25, clamping screw 25 passes through clamping piece 26 and bracing piece 21 cooperation, realize the function of support.
The clamping block 26 is of a rectangular structure, a triangular bulge is arranged on the inner end face of the clamping block 26 and matched with a triangular clamping groove in a clamping manner, and the triangular bulge is matched with the triangular clamping groove in a clamping manner during specific work, so that the clamping and fixing functions are realized.
The protection unit 3 include guard bar 31, protection piece 32, reset spring 33, connecting rod 34 and linkage plate 35, the connection unit 1 upper end from last to evenly be provided with guard bar 31 down, guard bar 31 and the connection unit 1 joint cooperation that is located the downside, be fixed through locking screw between connection unit 1 and the guard bar 31, fixed through fixing screw between the guard bar 31, guard bar 31 is U type structure, the inside rectangular channel that evenly is provided with of guard bar 31, rectangular channel lateral wall has protection piece 32 through the round pin hub connection, be connected with reset spring 33 between protection piece 32 lower extreme and the rectangular channel lower wall, connecting rod 34 is installed to protection piece 32 lateral wall, the linkage plate 35 is installed to the one end that protection piece 32 was kept away from to connecting rod 34, connecting rod 34 and guard bar 31 lateral wall sliding connection, specific during operation, at first, the manual work splices guard bar 31, afterwards, protection piece 32 plays the effect of protection to lifting unit 4, thereby avoid the iron tower to appear the incident when lifting, thereby ensure the security of work, finally, when lifting unit 4 descends, linkage plate 35 drives protection piece 34 through the connecting rod 34 and carries out lifting unit 4 and lifting conveniently.
The lower extreme of guard bar 31 be provided with the rectangle arch, guard bar 31 upper end is provided with the rectangle draw-in groove, is connected through rectangle arch and rectangle draw-in groove cooperation between the guard bar 31, and the concrete during operation, the rectangle is protruding to be cooperated with the rectangle draw-in groove, realizes the function of being connected.
The protection piece 32 be L type structure, protection piece 32 lower terminal surface is provided with the inclined plane, and the during specific work, the inclined plane is convenient for jack-up protection piece 32 when lifter plate 45 rises.
The lifting unit 4 include lifting plate 41, support frame 42, wind-up roll 43, winding motor 44, lifter plate 45 and hoist mechanism 46, lifting plate 41 connect on the guard bar 31 up end of uppermost through the joint mode, fixed through connecting screw between guard bar 31 and the lifting plate 41, lifting plate 41 installs support frame 42 in the upper end, support frame 42 is connected with wind-up roll 43 through the bearing, winding roll 43 terminal surface is connected with winding motor 44, winding motor 44 installs on lifting plate 41, evenly be connected with wire rope on the winding roll 43, the wire rope lower extreme is connected with lifter plate 45, lifter plate 45 is connected with guard bar 31 through sliding fit's mode, hoist mechanism 46 is installed to lifting plate 45 lower extreme, specifically during operation, firstly, install hoist mechanism 46 and iron tower through the manual mode, afterwards, manually start winding motor 44, winding motor 44 drives wire rope through winding roll 43 and rises, wire rope drives hoist mechanism 46 and rises, thereby the function of realization, finally, install the iron tower through the manual mode.
The hoisting mechanism 46 include hoist and mount frame 461, jack-up screw 462, hoist and mount board 463, gag lever post 464, jack-up arc pole 465, live-rollers 466, auxiliary spring 467 and lifting hook 468, hoist and mount frame 461 install on hoist and mount board 41 lower terminal surface, hoist and mount frame 461 middle part is connected with jack-up screw 462 through screw thread fit's mode, jack-up screw 462 middle part is connected with hoist and mount board 463 through the bearing, hoist and mount board 463 is connected with gag lever post 464 through sliding fit's mode, on the terminal surface under hoist and mount frame 461, hoist and mount board 463 upper end evenly is connected with the stay cord, the stay cord upper end is connected with jack-up arc pole 465, jack-up arc pole 465 is connected with hoist and mount frame 461 through sliding fit's mode, jack-up arc pole 465 lower extreme is provided with lifting hook 468 through the roller wheel carrier, the lifting hook 468 is provided with lifting hook 468 in the lifting hook 41 lower terminal surface, lifting hook and live-rollers 468 sliding fit, at first, through manual lifting hook will lift down the lift up arc pole 463 and carry out the iron tower, the iron tower and the iron tower is protected through the mode of carrying out jack-up arc pole 463, thereby, the iron tower and the iron tower is protected down by the jack-up arc pole 463, the lift down equipment is guaranteed.
When in hoisting: s1: according to the flatness of the land, the supporting block 23 is manually rotated, and the supporting block 23 is subjected to height adjustment through the adjusting screw 22;
s2: according to the hoisting height, splicing the protective rods 31 in a manual mode, and installing the protective rods 31 on the connecting ring 11;
s3: the hoisting mechanism 46 and the iron tower are installed manually, then the winding motor 44 is started manually, the winding motor 44 drives the hoisting mechanism 46 to ascend through a steel wire rope, and finally the iron tower is installed manually;
s4: the electric push rod 12 is manually started, the electric push rod 12 drives the linkage plate 35 to ascend through the jacking block 14, and the hoisting mechanism 46 resets.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an electric power iron tower installation construction multipoint mode supports lifts by crane device, includes connecting element (1), supporting element (2), protection unit (3) and lifts by crane unit (4), its characterized in that: the lower end face of the connecting unit (1) is uniformly provided with the supporting units (2), the upper end of the connecting unit (1) is uniformly provided with the protecting units (3), the protecting units (3) are distributed in a ring shape, the lower ends of the protecting units (3) are fixed on the connecting unit (1) in a threaded fit mode, and the upper ends of the protecting units (3) are connected with the lifting units (4) in a threaded fit mode; wherein:
the supporting unit (2) comprises a supporting rod (21), an adjusting screw (22), a supporting block (23), an auxiliary block (24), a clamping screw (25) and a clamping block (26), wherein the supporting rod (21) is arranged on the lower end face of the connecting unit (1), the lower end of the supporting rod (21) is connected with the adjusting screw (22) in a threaded fit mode, the supporting block (23) is arranged at the lower end of the adjusting screw (22), triangular clamping grooves are uniformly formed in the outer end face of the supporting rod (21), the auxiliary block (24) is arranged on the outer side of the supporting rod (21), the auxiliary block (24) is connected with the supporting rod (21) in a sliding fit mode, the upper side of the inside of the auxiliary block (24) is connected with the clamping screw (25) in a threaded fit mode, the clamping block (26) is arranged at the inner end of the clamping screw (25), and the clamping block (26) is in sliding connection with the auxiliary block (24).
The protection unit (3) comprises a protection rod (31), a protection block (32), a reset spring (33), a connecting rod (34) and a linkage plate (35), wherein the protection rod (31) is uniformly arranged at the upper end of the connection unit (1) from top to bottom, the protection rod (31) arranged at the lower side is matched with the connection unit (1) in a clamping manner, the connection unit (1) and the protection rod (31) are fixed through a locking screw, the protection rod (31) is fixed through a fixing screw, the protection rod (31) is of a U-shaped structure, rectangular grooves are uniformly formed in the protection rod (31), the protection block (32) is connected with the side wall of the rectangular grooves through pin shafts, the reset spring (33) is connected between the lower end of the protection block (32) and the lower wall of the rectangular grooves, the connecting rod (34) is arranged at one end, far away from the protection block (32), of the connecting rod (34) is provided with the linkage plate (35), and the connecting rod (34) is in sliding connection with the side wall of the protection rod (31);
the lifting unit (4) comprises a lifting plate (41), a supporting frame (42), a winding roller (43), a winding motor (44), a lifting plate (45) and a lifting mechanism (46), wherein the lifting plate (41) is connected to the upper end face of a protection rod (31) at the uppermost side in a clamping manner, the protection rod (31) is fixed with the lifting plate (41) through a connecting screw rod, the supporting frame (42) is installed at the upper end of the lifting plate (41), the winding roller (43) is connected with the winding roller (43) through a bearing, the winding motor (44) is connected with the winding motor (44) on the lifting plate (41), steel wire ropes are uniformly connected to the winding roller (43), the lower end of each steel wire rope is connected with the lifting plate (45), the lifting plate (45) is connected with the protection rod (31) in a sliding fit manner, and the lifting mechanism (46) is installed at the lower end of each lifting plate (45);
the lifting mechanism (46) include hoist frame (461), tight screw rod (462) in top, hoist and mount board (463), gag lever post (464), tight arc pole in top (465), live-action roller (466), auxiliary spring (467) and lifting hook (468), hoist and mount frame (461) install on hoist and mount board (41) lower terminal surface, hoist and mount frame (461) middle part is connected with tight screw rod (462) in top through screw thread fit's mode, tight screw rod (462) middle part is connected with hoist and mount board (463) through the bearing, hoist and mount board (463) are connected with gag lever post (464) through sliding fit's mode, gag lever post (464) are installed on hoist and mount frame (461) lower terminal surface, hoist and mount board (463) upper end evenly is connected with the stay cord, stay cord upper end is connected with tight arc pole (465), tight arc pole (465) in top is connected with hoist and mount frame (461) through sliding fit's mode, tight arc pole (465) lower extreme is installed live-action roller (466), be connected with auxiliary spring (467) between tight arc pole (466) and hoist and lifting frame (461), lifting hook (468) are provided with under the lift and lifting hook (468) sliding fit's mode.
2. The multi-point support lifting device for electric iron tower installation construction according to claim 1, wherein: the connecting unit (1) include go-between (11), electric putter (12), jacking ring (13) and jacking piece (14), go-between (11) lower extreme install electric putter (12) through the push rod seat, jacking ring (13) are installed to electric putter (12) upper end, jacking ring (13) are connected with go-between (11) inner wall through sliding fit's mode, jacking piece (14) are evenly installed to jacking ring (13) upper end, jacking piece (14) upper end and linkage board (35) cooperation.
3. The multi-point support lifting device for electric iron tower installation construction according to claim 1, wherein: the lower end of the protection rod (31) is provided with a rectangular bulge, the upper end of the protection rod (31) is provided with a rectangular clamping groove, and the protection rods (31) are connected with the rectangular clamping groove in a matched mode through the rectangular bulge.
4. The multi-point support lifting device for electric iron tower installation construction according to claim 1, wherein: the protection block (32) is of an L-shaped structure, and an inclined plane is arranged on the lower end face of the protection block (32).
5. The multi-point support lifting device for electric iron tower installation construction according to claim 1, wherein: the clamping block (26) is of a rectangular structure, a triangular bulge is arranged on the inner end face of the clamping block (26), and the triangular bulge is matched with the triangular clamping groove in a clamping mode.
CN202011008882.8A 2020-09-23 2020-09-23 Multi-point type supporting and lifting device for electric power iron tower installation construction Active CN112125143B (en)

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CN115182639B (en) * 2022-06-30 2024-06-07 南安市闽亿铁塔金具有限公司 Electric power iron tower construction installation device and installation method

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