CN115818426A

CN115818426A - Auxiliary device for hoisting of mixed tower pipe pieces

Info

Publication number: CN115818426A
Application number: CN202211597269.3A
Authority: CN
Inventors: 朱文杰; 魏思航; 赵学明
Original assignee: Jujie Technology Development Group Co ltd
Current assignee: Jujie Technology Development Group Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-03-21
Anticipated expiration: 2042-12-12
Also published as: CN115818426B

Abstract

The invention provides a mixed tower pipe piece hoisting auxiliary device which comprises an assembling platform, wherein a support column is arranged in the middle of the lower end of the assembling platform, a positioning mechanism which is arranged in the middle of two adjacent strips of the assembling platform and can move towards the axis of the assembling platform is uniformly distributed in the circumferential direction of the assembling platform, the positioning mechanism comprises a screw block and a second motor fixed on the inner side of the screw block, a turntable is connected to an output shaft of the second motor, a pipe piece close to the turntable can move, a propelling component driven by a descending pipe piece and a turning component driven by the propelling component are arranged on the screw block, and a jacking ball capable of jacking the pipe piece close to the turntable is elastically arranged at the turning component. According to the auxiliary equipment for hoisting the mixed tower pipe piece, the descending pipe piece drives the ball jacking to enable the pipe piece to lean against the turntable, and the turntable enables the pipe piece to move to adjust the position of the pipe piece, so that the equipment is safe and efficient.

Description

Auxiliary device for hoisting of mixed tower pipe pieces

Technical Field

The invention relates to the technical field of wind power concrete tower barrels, in particular to auxiliary equipment for hoisting a mixed tower pipe sheet.

Background

With the further development and utilization of wind resources in China, wind generating sets gradually develop to high power and high altitude, and the traditional wind power flexible all-steel tower technology is difficult to meet the requirements of wind generating set towers with large rigidity and large diameter. In recent years, with the popularization of the assembly concrete technology in China, the application of the split prefabricated assembly concrete tower barrel in the field of wind power generation is increasingly common, the defects of low rigidity and small diameter of a flexible steel tower are effectively overcome, generally speaking, the concrete tower barrel is divided into a plurality of barrel sections in the height direction of the tower barrel, and each barrel section is basically spliced on site by 4 prefabricated concrete segments.

At present, hang the section of jurisdiction to the assembly platform and assemble, the centre of assembly platform has seted up the intermediate hole perpendicularly, assembly platform department circumference equipartition has 8 frame strips, the outside of frame strip lower extreme is provided with the heel brace, the pinhole that is used for placing the locating pin is offered along the length direction equidistance of frame strip to the upper end of frame strip, the section of jurisdiction is tied up in the below of loop wheel machine long arm and is hung down perpendicularly, be close to the in-process of assembly platform, the section of jurisdiction that hangs down needs the staff to hold up, and carry out position control to the section of jurisdiction constantly through the manual work, ensure that the locating hole of section of jurisdiction lower extreme can accurately get into the locating pin, the personal danger that not only has the section of jurisdiction to drop and troublesome poeration.

Disclosure of Invention

【1】 Technical problem to be solved

The invention aims to solve the technical problem of providing a mixed tower tube piece hoisting auxiliary device, wherein a descending tube piece drives a ball jacking top to enable the tube piece to lean against a turntable, and the turntable enables the tube piece to move to adjust the position of the tube piece.

【2】 Technical scheme for solving problems

The invention provides a mixed tower pipe piece hoisting auxiliary device which comprises an assembling platform, wherein a support column is arranged in the middle of the lower end of the assembling platform, a positioning mechanism which is arranged between two adjacent strips of the assembling platform and can move towards the axis of the assembling platform is uniformly distributed in the circumferential direction of the assembling platform, the positioning mechanism comprises a screw block and a second motor fixed on the inner side of the screw block, a turntable is connected to an output shaft of the second motor and can enable a pipe piece close to the turntable to move, a propelling component driven by a descending pipe piece and a turning component driven by the propelling component are arranged on the screw block, a jacking ball capable of jacking the pipe piece close to the turntable is elastically arranged at the turning component, the hoisted pipe piece descends and drives the turning component and the jacking ball through the propelling component, the jacking ball enables the pipe piece to close to the turntable, and the pipe piece can be aligned to a positioning pin through the rotation of the turntable.

Furthermore, the propulsion assembly comprises a pressing strip vertically matched with the screw block in a sliding mode, an elastic part is connected between the lower end of the pressing strip and the screw block, an incomplete gear is rotatably arranged above the screw block, partial teeth matched with the incomplete gear are arranged on the inner side of the pressing strip, a first gear is coaxially connected to one side of the incomplete gear, a second gear is meshed to the outer side of the first gear, a sliding strip is matched with the screw block in a sliding mode in the middle of the screw block in the length direction, and partial teeth meshed with the second gear are arranged on the inner side of the upper end of the sliding strip.

Furthermore, a disc is arranged at the top end of the pressing strip, a flat plate is arranged at the lower end of the pressing strip, and a limiting column in contact with the bottom of the screw block is arranged at the upper end of the flat plate.

Further, when the teeth of the incomplete gear are separated from the partial teeth of the pressing strip, the pressing strip abuts against the incomplete gear, and the incomplete gear can be locked.

Further, the upset subassembly is including being fixed in the fixed block in the outside of draw runner upper end, the bilateral symmetry of fixed block is provided with the traveller, the bilateral symmetry of spiral shell piece is fixed with the fixed plate, two be provided with two connecting rods with rotating between the fixed plate, the kickball set up elastically in the inboard of connecting rod upper end, the lower extreme of connecting rod is followed the length direction of connecting rod is seted up and is held the sliding hole that the traveller slided and joins in marriage.

Furthermore, the jacking ball is arranged on the inner side of the upper end of the connecting rod through an elastic telescopic rod, and the telescopic direction of the elastic telescopic rod is perpendicular to the connecting rod.

Furthermore, be provided with first motor up in the support column, the key joint has first conical gear on the output shaft of first motor, spiral shell piece department spiro union has the screw rod that extends to in the centre bore of assembly platform, assembly platform is last be provided with the screw rod parallel and with the spacing of spiral shell piece side laminating, the tip key joint of screw rod have with the second conical gear of first conical gear meshing.

Furthermore, an inner connecting block and an outer connecting block which are used for accommodating the rotation of the screw rod are connected between two bars at the position adjusting mechanism, the limiting bar is connected with the inner connecting block and the outer connecting block, and the screw block moves between the inner connecting block and the outer connecting block.

【3】 Advantageous effects

According to the auxiliary equipment for hoisting the mixed tower pipe piece, the descending pipe piece drives the ball jacking to enable the pipe piece to lean against the turntable, the annular position of the pipe piece is positioned, and the pipe piece is moved by the turntable to adjust the left position and the right position of the pipe piece in the annular direction, so that the equipment is safe and efficient; the top ball arranged in an elastic and telescopic manner cannot be separated after propping against the outer wall of the duct piece, and the duct piece can always lean against the turntable in the process; the segment is leaned against the turntable by the ball jacking, the segment is positioned above the positioning pin at the moment, the positioning hole at the lower end of the segment and the positioning pin are positioned in the same circle, and the segment can be aligned to the positioning pin by the rotation of the turntable; the pressing strips are pressed down when the duct piece descends, the pressing strips drive the sliding strips to move outwards, the sliding strips drive the connecting rods and the jacking balls to turn over, other energy sources are not needed for driving and controlling, and the operation procedures are reduced; the pressing bar rises to the top, the incomplete gear is locked by the pressing bar, the connecting rod can be prevented from being disturbed, the sliding strip moves outwards to the bottom, the top ball props against the duct piece, the incomplete gear is locked by the pressing bar, and the top ball can be prevented from being separated from the duct piece; the limiting column is arranged to limit the distance of the upward moving of the pressing strip, and when the limiting column is abutted against the bottom of the screw block, the pressing strip can only be pressed downwards; the connecting rods are arranged in an overturning manner, meanwhile, a space can be reserved for the descending pipe piece, the pipe piece is pressed down to the pressing strip and does not touch other parts, accurate descending is not needed, and the hoisting is simple; after the segment on one layer is finished, the segments on the next layer are not required to be sequentially pushed manually, and the positioning mechanism is driven by the first motor to move to the axis of the splicing platform for the same distance so as to adapt to the hoisting of the segment on the next layer; the screw rod can be stabilized to interior connecting block, outer connecting block for the screw rod can bear the structure of spiral shell piece and top, and spacing strip both can make the spiral shell piece remove and do not rotate along the direction of screw rod, and can strengthen the structural strength of interior connecting block, outer connecting block.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 isbase:Sub>A sectional view A-A of FIG. 4;

FIG. 6 is a top view of the duct piece of the present invention lowered adjacent to the splicing platform;

FIG. 7 is a cross-sectional view of the present invention as a segment is lowered adjacent to the build platform;

FIG. 8 is a cross-sectional view of the present invention with the segment pressing down the bead and the segment against the turntable;

FIG. 9 is a cross-sectional view of the tube sheet of the present invention as it descends to the bottom;

FIG. 10 is an enlarged view of portion B of FIG. 1;

FIG. 11 is an enlarged view of section C of FIG. 5;

FIG. 12 is an enlarged view of section D of FIG. 8;

fig. 13 is a perspective view of a molding and partial gear of the present invention.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1 to 13, the invention provides a concrete tower segment hoisting auxiliary device, which comprises an assembling platform 1, wherein the middle of the assembling platform 1 is vertically provided with a middle hole, 8 frame strips are uniformly distributed at the assembling platform 1 in the circumferential direction, foot supports are arranged at the outer sides of the lower ends of the frame strips, pin holes for placing positioning pins are equidistantly arranged at the upper ends of the frame strips along the length direction of the frame strips, a supporting column 2 is arranged at the middle of the lower end of the assembling platform 1, positioning mechanisms which are positioned between two adjacent frame strips of the assembling platform 1 and can move towards the axis of the assembling platform 1 are uniformly distributed at the assembling platform 1 in the circumferential direction, segments of a concrete tower are sequentially stacked on each layer, the outer wall of each layer inclines upwards, the positioning mechanisms can be suitable for the segments of different layers by moving towards the axis of the assembling platform, each positioning mechanism comprises a screw block 7 and a second motor 9 fixed at the inner side of the screw block 7, a turntable 10 is connected on the output shaft of the second motor 9, the second motor and the rotary tables are symmetrically arranged at two sides of the inner side of the screw block, the two rotary tables can prevent the segment leaning on the rotary tables from deviating and can move the segment leaning on the rotary tables 10, the screw block 7 is provided with a propelling component 11 driven by a descending segment and a turning component 12 driven by the propelling component 11, the turning component 12 is elastically provided with a top ball 14 capable of jacking the segment to lean on the rotary tables 10, because the outer wall of the segment is slightly inclined, the elastically arranged top ball can not be separated after jacking the outer wall of the segment in the descending process of the segment, in the process, the segment can always lean on the rotary tables, the hoisted segment descends and drives the turning component 12 and the top ball 14 through the propelling component 11, the top ball 14 enables the segment to lean on the rotary tables 10, and at the moment, the segment is positioned above the positioning pin and the positioning hole at the lower end is positioned in the same circle with the positioning pin, can make the section of jurisdiction align locating pin department through the rotation of carousel 10, the second motor area carousel rotates, the carousel makes the section of jurisdiction that leans on the carousel rotate around the center of assembling the platform, align with the locating pin up to the locating hole of section of jurisdiction lower extreme, then the section of jurisdiction continues to descend and inserts in the locating pin, 4 sections of jurisdiction have been hoist and mount in proper order, form a ring, (last section of jurisdiction need not the carousel and rotates, two adjacent sections of jurisdiction have already positioned last section of jurisdiction), the staff installs the arc bolt in adjacent section of jurisdiction and links together the section of jurisdiction, it puts up layer upon layer again and goes to form the mixing tower.

The propelling component 11 comprises a pressing strip 11.1 vertically matched with the screw block 7 in a sliding mode, an elastic piece is connected between the lower end of the pressing strip 11.1 and the screw block 7, an incomplete gear 11.2 is rotatably arranged above the screw block 7, partial teeth matched with the incomplete gear 11.2 are arranged on the inner side of the pressing strip 11.1, a first gear 11.3 is coaxially connected to one side of the incomplete gear 11.2, a second gear 11.4 is meshed with the outer side of the first gear 11.3, a sliding strip 11.5 is matched with the middle of the screw block 7 in a sliding mode along the length direction of the screw block 7, partial teeth meshed with the second gear 11.4 are arranged on the inner side of the upper end of the sliding strip 11.5, and when the teeth of the incomplete gear 11.2 are separated from the partial teeth of the pressing strip 11.1, the pressing strip 11.1 abuts against the incomplete gear 11.2, and the incomplete gear 11.2 can be locked. Pressing down the layering while the duct piece descends, when the layering descends, partial teeth of the layering drive the incomplete gear to rotate, the incomplete gear drives the second gear to rotate through the first gear, the second gear drives the sliding strip to move outwards through partial teeth on the sliding strip, the sliding strip enables the top ball to be pressed against the outer wall of the duct piece through the overturning assembly, the duct piece is pressed against the turntable, the duct piece is located above the positioning pin at the moment, the positioning hole in the lower end of the duct piece and the positioning pin are located on the same circle, as shown in fig. 8, the teeth of the incomplete gear are separated from partial teeth of the layering at the moment, the incomplete gear is locked, the duct piece continues to press down the layering, the sliding strip is still fixed, the top ball still presses against the duct piece, the turntable drives the duct piece to rotate around the axis of the assembling platform until the positioning hole in the lower end of the duct piece is aligned with the positioning pin, the duct piece continues to descend and the positioning pin is inserted into the positioning hole, as shown in fig. 9.

The top of layering 11.1 is provided with the disc, and the disc can be when the section of jurisdiction pushes down pressure distribution pressure to avoid damaging the layering, the low side of layering 11.1 is provided with the flat board, and the upper end of flat board is provided with the spacing post with 7 bottom contacts of spiral shell piece, and when the section of jurisdiction shifts up and leaves the layering, the layering shifts up under the effect of elastic component and resets, supports the bottom of spiral shell piece until spacing post for the distance that the layering shifted up is injectd.

The connecting rod is driven by the sliding strip, the top ball is overturned, so that the pipe piece at the top of the top ball is leaned on the rotary table, the overturning assembly 12 comprises a fixed block 12.1 fixed on the outer side of the upper end of the sliding strip 11.5, sliding columns 12.2 are symmetrically arranged on two sides of the fixed block 12.1, fixed plates 12.4 are symmetrically fixed on two sides of the screw block 7, two connecting rods 12.3 are rotatably arranged between the two fixed plates 12.4, the top ball 14 is elastically arranged on the inner side of the upper end of the connecting rod 12.3, and a sliding hole for accommodating the sliding column 12.2 in sliding fit is formed in the lower end of the connecting rod 12.3 along the length direction of the connecting rod 12.3. The sliding strip moves outwards and drives the fixed block and the sliding column to move outwards, the sliding column drives the connecting rod to rotate around the fixed plate through the sliding hole, so that the connecting rod and the ejection ball are overturned, the ejection ball is ejected to the outer wall of the duct piece, and the duct piece is leaned against the rotary disc. Meanwhile, a space can be reserved for the descending pipe piece, the pipe piece is pressed down to the pressing strip and does not touch other parts, accurate descending is not needed, and the hoisting is simple.

The elastic telescopic rod is simple and practical in material taking, the top ball 12.4 is arranged on the inner side of the upper end of the connecting rod 12.3 through the elastic telescopic rod 13, and the telescopic direction of the elastic telescopic rod 13 is perpendicular to the connecting rod 12.3. The elastic telescopic rod is simple and practical in material taking, the segment is leaned on the rotary table when the top ball is propped on the segment, the outer wall of the segment is slightly inclined, the top ball is required to be propped outwards with elasticity, the segment is ensured to be always leaned on the rotary table, and the top ball stretches outwards to the bottom when the top ball does not prop on the segment.

Accomplish the section of jurisdiction of one deck after, need not the manual work and promote in proper order, move the same distance to the axis of assembling the platform through first motor drive positioning mechanism, in order to adapt to the section of jurisdiction hoist and mount of one deck down, be provided with first motor 3 in the support column 2 up, the key joint has first conical gear 4 on the output shaft of first motor 3, screw 7 department spiro union has the screw rod 6 that extends to the centre bore of assembling platform 1, be provided with on assembling platform 1 with the screw rod 6 parallel and with the spacing 8 of the laminating of screw 7 side, the tip key joint of screw rod 6 has the second conical gear 5 with first conical gear 4 meshing. The first motor is a stepping motor, the first motor drives the first bevel gear to rotate, the first bevel gear enables the screw to rotate through the second bevel gear, the screw block is limited by the limiting strips to rotate, the screw drives the screw block to move along the direction of the screw (namely the axial direction of the assembly platform), and the four screw blocks move for the same distance to adapt to the hoisting of the duct piece on the next layer.

Be connected with between two strips of positioning mechanism department and hold 6 pivoted in-connection piece 15 of screw rod, outer joint piece 16, in-connection piece, outer joint piece can the stabilizing screw rod, make the screw rod can bear the structure of spiral shell piece and top, spacing 8 connects in-connection piece 15, outer joint piece 16, spacing both can make the spiral shell piece remove and do not rotate along the direction of screw rod, and can strengthen the in-connection piece, the structural strength of outer joint piece, spiral shell piece 7 removes in-connection piece 15, between outer joint piece 16.

The specific working process of the invention is as follows: the duct piece is tied below a long arm of the crane by a binding band and is vertically hung downwards, as shown in figures 6 and 7, the duct piece descends while pressing down the pressing strip, when the pressing strip descends, partial teeth of the pressing strip drive an incomplete gear to rotate, the incomplete gear drives a second gear to rotate through a first gear, the second gear drives a sliding strip to move outwards through partial teeth on the sliding strip, the sliding strip drives a fixing block and a sliding column to move outwards, the sliding column drives the connecting rod to rotate around a fixing plate through a sliding hole, so that the connecting rod and a heading ball are turned over, the heading ball is propped against the outer wall of the duct piece, the duct piece is leaned against a turntable, the duct piece is positioned above a positioning pin at the moment, a positioning hole at the lower end of the duct piece and the positioning pin are positioned on the same circle, as shown in figure 8, teeth of the incomplete gear are separated from partial teeth of the pressing strip at the moment, the incomplete gear is locked, the duct piece continues to press down the pressing strip, the sliding strip is still, the heading ball is still propped against the duct piece, a worker controls a second motor to rotate the turntable, the turntable drives the segments to rotate around the axis of the assembly platform until the positioning holes at the lower ends of the segments are aligned with the positioning pins, the segments continue to descend and the positioning pins are inserted into the positioning holes, as shown in fig. 9, 4 segments are sequentially hoisted to form a ring, (the last segment does not need to rotate, the last segment is already positioned by two adjacent segments), a worker installs arc bolts in the adjacent segments to connect the segments together and then hoists the segments to move to other places, the segments ascend and reset under the action of the elastic element while the segments ascend, partial teeth of the layering drive the incomplete gear to rotate reversely, the incomplete gear drives the sliding strip to move inwards and reset through the first gear and the second gear, the fixed block, the sliding column drive connecting rod and the jacking ball to reset, after partial teeth of the layering are separated from the incomplete gear, the layering continues to lock the incomplete gear, then the first motor drives the first bevel gear to rotate, the first bevel gear enables the screw rod to rotate through the second bevel gear, the screw block is limited by the limiting strip to rotate, the screw rod drives the screw block to move along the direction of the screw rod (namely the axial direction of the assembly platform), the four screw blocks and the parts above the four screw blocks move for the same distance to adapt to hoisting of duct pieces on the next layer, and the annular duct pieces are overlapped layer by layer to form the mixing tower.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mix tower pipe piece hoist and mount auxiliary assembly, includes assembly platform (1), its characterized in that: the middle of assembling platform (1) lower extreme is provided with support column (2), assembling platform (1) department circumference equipartition has and is located in the middle of the two adjacent strips of assembling platform (1) and can to the positioning mechanism of the axis removal of assembling platform (1), positioning mechanism includes spiral shell piece (7), is fixed in spiral shell piece (7) inboard second motor (9), be connected with carousel (10) on the output shaft of second motor (9), can make and lean on in the section of jurisdiction of carousel (10) removes, be provided with on spiral shell piece (7) through the section of jurisdiction driven propulsion subassembly (11) that descend and pass through propulsion subassembly (11) driven upset subassembly (12), upset subassembly (12) department is provided with elastically and can push up the section of jurisdiction and lean on in the knob (14) of carousel (10), and the section of jurisdiction of hoist and mount descends and passes through propulsion subassembly (11) drive upset subassembly (12), knob (14) make the section of jurisdiction lean on in carousel (10), through the rotation of carousel (10) can make the locating pin align to the locating pin department.

2. The tower mixing tube sheet hoisting auxiliary device of claim 1, wherein: propulsion subassembly (11) including the ground sliding fit in layering (11.1) of spiral shell piece (7), the lower extreme of layering (11.1) with be connected with the elastic component between spiral shell piece (7), the top of spiral shell piece (7) is provided with incomplete gear (11.2) with rotating, the inboard of layering (11.1) be provided with incomplete gear (11.2) matched with part tooth, one side coaxial coupling of incomplete gear (11.2) has first gear (11.3), the outside meshing of first gear (11.3) has second gear (11.4), the centre of spiral shell piece (7) is followed the length direction sliding fit of spiral shell piece (7) has draw runner (11.5), the inboard of draw runner (11.5) upper end be provided with the part tooth of second gear (11.4) meshing.

3. The tower mixing tube sheet hoisting auxiliary device of claim 2, wherein: the top end of the pressing strip (11.1) is provided with a disc, the lower end of the pressing strip (11.1) is provided with a flat plate, and the upper end of the flat plate is provided with a limiting column which is in contact with the bottom of the screw block (7).

4. The tower mixing tube sheet hoisting auxiliary device of claim 2, wherein: when the teeth of the incomplete gear (11.2) are separated from the partial teeth of the batten (11.1), the batten (11.1) is abutted against the incomplete gear (11.2), and the incomplete gear (11.2) can be locked.

5. The tower mixing tube sheet hoisting auxiliary device of claim 2, wherein: upset subassembly (12) are including being fixed in fixed block (12.1) in the outside of draw runner (11.5) upper end, the bilateral symmetry of fixed block (12.1) is provided with traveller (12.2), the bilateral symmetry of spiral shell piece (7) is fixed with fixed plate (12.4), two be provided with two connecting rods (12.3) with rotating between fixed plate (12.4), knob (14) set up elastically in the inboard of connecting rod (12.3) upper end, the lower extreme of connecting rod (12.3) is followed the length direction of connecting rod (12.3) is seted up the capacity the slide opening of traveller (12.2) sliding fit.

6. The tower mixing tube sheet hoisting auxiliary device as recited in claim 5, wherein: the jacking ball (12.4) is arranged on the inner side of the upper end of the connecting rod (12.3) through an elastic telescopic rod (13), and the telescopic direction of the elastic telescopic rod (13) is perpendicular to the connecting rod (12.3).

7. The tower mixing tube sheet hoisting auxiliary device of claim 1, wherein: be provided with first motor (3) up in support column (2), the key joint has first conical gear (4) on the output shaft of first motor (3), spiral shell piece (7) department spiro union has extend to screw rod (6) in the centre bore of assembling platform (1), assemble and be provided with on platform (1) with screw rod (6) are parallel and with spacing (8) of laminating of spiral shell piece (7) side, the tip key joint of screw rod (6) have with second conical gear (5) of first conical gear (4) meshing.

8. The tower mixing tube sheet hoisting auxiliary device of claim 7, wherein: be connected with between two strips of positioning mechanism department and hold screw rod (6) pivoted in connecting block (15), outer connecting block (16), spacing strip (8) are connected in connecting block (15) outer connecting block (16), spiral shell piece (7) move in connecting block (15) between outer connecting block (16).