CN114046227B

CN114046227B - Concrete tower bobbin piece splicing equipment

Info

Publication number: CN114046227B
Application number: CN202210029126.6A
Authority: CN
Inventors: 国斌; 高万玉; 高凌骜; 于春生
Original assignee: Cooper New Energy Co ltd
Current assignee: Cooper New Energy Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-24
Anticipated expiration: 2042-01-12
Also published as: CN114046227A

Abstract

The invention provides a concrete tower bobbin piece splicing device which comprises a central base, a connecting rod and supporting beams, wherein one end of the connecting rod is connected with the central base, the other end of the connecting rod is connected with the supporting beams, the supporting beams are radially arranged on the periphery of the central base, two ends and the middle of each pipe piece are respectively fixed through clamping mechanisms arranged on the supporting beams, the clamping mechanisms are arranged on the supporting beams through fixed bases, and each clamping mechanism comprises a clamping assembly and an adjusting assembly for driving the clamping assembly to move in each direction of a horizontal plane. Above-mentioned concrete tower bobbin piece concatenation equipment realizes the adjustment to the section of jurisdiction position through the position of adjustment centre gripping subassembly at section of jurisdiction concatenation in-process, need not artifical boosting, has reduced the piece between the section of jurisdiction, has improved concatenation efficiency and concatenation precision.

Description

Concrete tower bobbin piece splicing equipment

Technical Field

The invention relates to the technical field of wind power generation, in particular to concrete tower bobbin piece splicing equipment.

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 type concrete technology in China, the application of the split prefabricated assembly type 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, each barrel section is spliced on site by 4, 6 or 8 prefabricated concrete segments, and therefore how to ensure segment splicing precision and construction rate of the assembly type concrete tower barrel becomes new challenge and difficulty to be faced by the assembly type concrete tower barrel technology in the wind power industry in future.

Disclosure of Invention

The invention aims to provide concrete tower tube sheet splicing equipment aiming at the defects of the prior art, and the splicing precision and the construction speed of towers can be improved.

In order to achieve the purpose, the technical scheme of the invention is that the concrete tower bobbin piece splicing equipment comprises a central base, a connecting rod and supporting beams, wherein one end of the connecting rod is connected with the central base, the other end of the connecting rod is connected with the supporting beams, the supporting beams are radially arranged on the periphery of the central base, two ends and the middle of each piece of the pipe piece are respectively fixed through clamping mechanisms arranged on the supporting beams, the clamping mechanisms are arranged on the supporting beams through fixed bases, and each clamping mechanism comprises a clamping component and an adjusting component for driving the clamping component to move in each direction of a horizontal plane.

Furthermore, the central base circumference is radially provided with the connecting plate, be provided with on the connecting plate and be no less than two tops and be conical round pin axle, the round pin axle sets gradually along the length direction of connecting plate, is provided with on the connecting rod and supplies round pin axle male through-hole.

Furthermore, the adjusting assembly comprises an adjusting seat and a telescopic rod, the adjusting seat is connected with the fixed base in a rotating mode, the telescopic rod is horizontally installed on the adjusting base, the telescopic rod can rotate 360 degrees in the horizontal direction around the clamping assembly along with the adjusting seat, and the end portion of the telescopic rod is connected with a push block which is opposite to the clamping assembly.

Further, unable adjustment base includes the sliding bottom plate of U-shaped and installs the rotation axis on sliding bottom plate, adjust the seat and be L shape, adjust the seat and establish the epaxial bearing of rotation and be connected with unable adjustment base rotation through the cover, the rotation axis upper surface is provided with spacing post, the centre gripping subassembly is established on spacing post through installing the sleeve cover in the centre gripping seat below, the ejector pad is just to the sleeve, and the radius of spacing post slightly is less than telescopic radius.

The clamping mechanism further comprises a positioning screw rod in threaded connection with the bearing, and the positioning screw rod penetrates into the bearing along the radial direction of the bearing and is not less than two.

Further, the grip slipper is U-shaped, and the grip slipper is installed the supporting rod on two lateral walls of the inside and outside both sides of section of jurisdiction on the grip slipper, and the head of supporting rod is towards the section of jurisdiction, the supporting rod passes the recess that sets up on the grip slipper lateral wall perpendicularly and realizes the rigidity on the grip slipper through two clamp nuts of cover on the supporting rod.

Furthermore, the number of the supporting beams is twice of the number of the duct pieces, and the supporting beams comprise end supporting beams and middle supporting beams which are arranged in a staggered mode, wherein the end supporting beams are in a shape like a Chinese character 'kou', two long edges of each end supporting beam are respectively provided with one clamping mechanism, the linear distance between each two clamping mechanisms and the center base is the same, and the middle supporting beams are in a shape like a Chinese character 'yi', and are also provided with one clamping mechanism.

Further, a supporting beam is articulated with the connecting rod, and a supporting beam's bottom is provided with the leveling stabilizer blade, the leveling stabilizer blade includes a foot seat and adjusting screw, and the foot seat is located a supporting beam bottom, and adjusting screw's quantity is two, is located a supporting beam's both sides respectively, and adjusting screw's lower extreme rotates to be connected on the foot seat, and the upper end is passed and is fixed at the leveling board and threaded connection of a supporting beam side has the leveling nut that is located the leveling board upper and lower respectively.

Furthermore, the fixed base slides on the supporting beam along the length direction of the supporting beam, a plurality of rows of positioning holes are distributed on the supporting beam along the length direction of the supporting beam in an array mode, and the number of each row of positioning holes is not less than two.

Further, still include length-adjustable's bracing piece, the one end of bracing piece articulates at a supporting beam's upper surface, specifically articulates at a middle supporting beam's upper surface, and the other end is articulated with section of jurisdiction inner wall, and whole bracing piece sets up for the horizontal plane slope.

The concrete tower bobbin piece splicing equipment obtained by the technical scheme has the beneficial effects that: realize fixed to the centre gripping of section of jurisdiction through the centre gripping subassembly that sets up on a supporting beam, realize the automatic adjustment to the section of jurisdiction position through the adjusting part of drive centre gripping subassembly at the horizontal plane motion, reduced the section of jurisdiction positional deviation because of hoist and mount or other external factors lead to, improved the precision of follow-up section of jurisdiction concatenation, and need not artifical the promotion, improved concatenation efficiency.

Drawings

Fig. 1 is a schematic perspective view of the concrete tower tube sheet splicing apparatus.

Fig. 2 is a top view of the concrete tower tube sheet splicing apparatus.

Fig. 3 is a front view of the concrete tower tube sheet splicing apparatus.

FIG. 4 is a schematic illustration of a tower tube segment as it is being spliced on the concrete tower tube segment splicing apparatus.

Fig. 5 is an enlarged schematic view at a in fig. 1.

FIG. 6 is a schematic view of the final splicing of the tower segments.

Fig. 7 is a sectional view taken along a-a in fig. 3.

In the figure, a central base 1; a connecting plate 11; a pin 12; a connecting rod 2; a support beam 3; an end support beam 31; an intermediate support beam 32; a leveling plate 33; positioning holes 34; a clamping mechanism 4; a clamping assembly 41; the clamping rods 41 a; a holder 41 b; a clamp nut 41 c; the sleeve 41 d; the adjustment assembly 42; the bearings 42 a; an adjustment seat 42 b; an extension rod 42 c; a push block 42 d; a fixed base 43; the slide base plate 43 a; a rotation shaft 43 b; a stopper post 43 c; a positioning screw 44; leveling feet 5; a leg base 51; an adjusting screw 52; a support rod 6; and a tube sheet 7.

Detailed Description

The invention is further described below with reference to the figures and examples.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

Taking four segments 7 forming the tube section as an example, each segment 7 is in an arc shape with the same size, and each segment 7 realizes fixed clamping and position fine adjustment through at least three groups of clamping mechanisms 4.

As shown in figure 1, a concrete tower bobbin piece 7 splicing device comprises a central base 1, a connecting rod 2 and a supporting beam 3, wherein one end of the connecting rod 2 is detachably connected with the central base 1, the other end of the connecting rod is hinged with the supporting beam 3, the supporting beam 3 is radially arranged on the periphery of the central base 1, two ends and the middle of each segment 7 are respectively fixed through clamping mechanisms 4 arranged on the supporting beam 3 (namely, each segment 7 corresponds to three groups of clamping mechanisms 4 so as to determine the position of the segment 7), the clamping mechanisms 4 are arranged on the supporting beam 3 through a fixed base 43, and each clamping mechanism 4 comprises a clamping component 41 and an adjusting component 42 for driving the clamping component 41 to move in each direction of the horizontal plane.

For convenient assembly, central base 1 circumference is radially to be provided with connecting plate 11, be provided with on the connecting plate 11 and be no less than two tops and be conical round pin axle 12, round pin axle 12 sets gradually along the length direction of connecting plate 11, is provided with on the connecting rod 2 and supplies round pin axle 12 male through-hole.

As shown in fig. 2, the adjusting assembly 42 includes an adjusting seat 42b rotatably connected to the fixing base 43 and an expansion link 42c horizontally mounted on the adjusting seat 42b, the expansion link 42c can rotate 360 degrees in the horizontal direction around the clamping assembly 41 along with the adjusting seat 42b, and pushes the clamping assembly 41 to move on the fixing base 43 from all directions, so as to adjust the position of the duct piece 7, and the end of the expansion link 42c is connected to a pushing block 42d facing the clamping assembly 41.

The number of the telescopic rods 42c is preferably two and is horizontally arranged on the adjusting seat 42b, and the telescopic rods 42c can be selected from air cylinders or hydraulic cylinders.

Further, the fixed base 43 includes a U-shaped sliding base plate 43a and a rotating shaft 43b installed on the sliding base plate 43a, the adjusting base 42b is L-shaped, the adjusting base 42b is rotatably connected with the fixed base 43 through a bearing 42a sleeved on the rotating shaft 43b, a limiting column 43c is arranged on the upper surface of the rotating shaft 43b, the radius of the limiting column 43c is smaller than that of the rotating shaft 43b, the clamping component 41 is sleeved on the limiting column 43c through a sleeve 41d installed below the clamping base 41b, the pushing block 42d is right opposite to the sleeve 41d, the radius of the limiting column is slightly smaller than that of the sleeve 41d, so that the clamping component 41 is limited on the fixed base 43 and a space for the clamping component 41 to move relative to the fixed base 43 is provided at the same time.

The clamping mechanism 4 further comprises a positioning screw 44 in threaded connection with the bearing 42a, the positioning screw 44 radially penetrates the bearing 42a along the bearing 42a and is not less than two, and after the position of the clamping assembly 41 is finely adjusted by the adjusting assembly 42, the positioning screw 44 is screwed down to enable the end of the positioning screw 44 to abut against the rotating shaft so as to limit the rotation of the adjusting assembly 42.

Grip slipper 41b is the U-shaped, and horizontal installation has at least a pair of supporting rod 41a on two lateral walls that grip slipper 41b is located the inside and outside both sides of section of jurisdiction 7, and supporting rod 41 a's head is towards section of jurisdiction 7 and is provided with the rubber gasket, supporting rod 41a passes the recess that sets up on the grip slipper 41b lateral wall and realizes the rigidity on grip slipper 41b through two clamp nut 41c of cover setting on supporting rod 41a, can realize through unscrewing clamp nut that the position of supporting rod 41a on grip slipper 41b is adjusted in order to adapt to the section of jurisdiction 7 of different thickness.

The quantity of supporting beam 3 is 8 (two times in the quantity of section of jurisdiction 7), including tip supporting beam 31 and the intermediate supporting beam 32 of crisscross setting, wherein tip supporting beam 31 is "mouth" font, two long limits at tip supporting beam 31 set up a fixture 4 respectively, the linear distance between two fixtures 4 and the central base 1 is the same, a tip for supporting two adjacent section of jurisdiction 7, the interior circumference of tip supporting beam 31 still array distribution have many with supporting beam 3 minor face parallel support frames, intermediate supporting beam 32 is "one" shape, be provided with a fixture 4 equally, a middle part for the fixed section of jurisdiction 7 of centre gripping.

The bottom of each supporting beam 3 is provided with two leveling support legs 5 for leveling a duct piece 7, one leveling support leg 5 is close to the connecting rod 2, the other leveling support leg is far away from the connecting rod 2, the leveling support leg close to the connecting rod 2 is used for leveling between different supporting beams 3, the leveling support leg 5 far away from the connecting rod 2 is used for leveling the same supporting beam 3, the leveling support leg 5 comprises a support leg seat 51 and an adjusting screw rod 52, the support leg seat 51 is positioned at the bottom of the supporting beam 3, the adjusting screw rods 52 are two in number and respectively positioned at two sides of the supporting beam 3 in the width direction, the lower end of the adjusting screw rod 52 is rotatably connected on the support leg seat 51, the upper end of the adjusting screw rod passes through the adjusting plate 33 fixed at the side of the supporting beam 3 and is in threaded connection with leveling nuts (not shown in the figure) respectively positioned above and below the adjusting plate 33, when the level meter detects that the tower barrel has deviation in the horizontal direction and needs to be adjusted, the adjusting nut is rotated to raise or lower the position of the adjusting nut on the adjusting screw 52.

In order to expand the applicability of the whole splicing device, the sliding bottom plate 43a can slide on the supporting beam 3 along the length direction of the supporting beam 3, a plurality of rows of positioning holes 34 are distributed on the supporting beam 3 along the length direction of the supporting beam 3 in an array mode and respectively correspond to tower barrels with different specifications, the sliding bottom plate 43a is limited by inserting positioning pins into the positioning holes 34, and the number of each row of positioning holes 34 is not less than two.

Further, splicing equipment still includes length-adjustable's bracing piece 6, and the one end of bracing piece 6 articulates at a supporting beam 3's upper surface, specifically articulates at a middle supporting beam 32's upper surface, and the other end is articulated with section of jurisdiction 7 inner wall, and whole bracing piece 6 sets up for the horizontal plane slope, plays the effect that supports section of jurisdiction 7, prevents that section of jurisdiction 7 from empting.

The splicing process of the entire tower section is described in detail below.

Firstly, connecting a central base 1 with a connecting rod 2, detecting the levelness of a transverse supporting beam 3 through a level meter, if deviation exists, adjusting leveling support legs 5 to enable the supporting beam 3 to keep horizontal, then adjusting the position of a clamping mechanism 4 on the supporting beam 3 according to the inner diameter specification of a tower cylinder end, and inserting a positioning pin into a positioning hole 34 to realize the positioning of the clamping mechanism 4 on the supporting beam 3; hoist the corresponding position with section of jurisdiction 7 in proper order, make section of jurisdiction 7 fall on grip slipper 41b, adjustment supporting rod 41 a's position makes supporting rod 41a press from both sides tight section of jurisdiction 7, if when the piece is great between messenger section of jurisdiction 7 because of hoist and mount error or external other factor influences, according to section of jurisdiction 7 skew angle rotation adjusting part, make telescopic link 42c be located the opposite direction of section of jurisdiction 7 skew direction, utilize telescopic link 42 c's flexible realization to section of jurisdiction 7 position fine setting, in order to ensure that the piece width is as little as possible, 7 position determination backs in section of jurisdiction, with bracing piece 6 and tower section of thick bamboo wall connection, continue to carry out fixing between the section of jurisdiction 7, finally realize the accurate concatenation between the section of jurisdiction 7.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The utility model provides a concrete tower bobbin piece concatenation equipment, includes central base, connecting rod and a supporting beam, and connecting rod one end is connected with central base, and the other end is connected with a supporting beam, and a supporting beam is radial setting in the periphery of central base, and its characterized in that, the both ends of every piece of section of jurisdiction are fixed with the centre gripping mechanism that sets up on the middle supporting beam respectively, fixture passes through unable adjustment base and installs on a supporting beam, and fixture includes centre gripping subassembly and the adjusting part of drive centre gripping subassembly in each side of the horizontal plane removal, adjusting part includes and rotates the regulation seat and the telescopic link of horizontal installation on adjusting the base of being connected with unable adjustment base, and the telescopic link can be along with the 360 degrees rotations that the seat of adjusting is the horizontal direction around the centre gripping subassembly, and the end connection of telescopic link is just to the ejector pad of centre gripping subassembly.

2. The concrete tower bobbin piece splicing device according to claim 1, wherein connecting plates are radially arranged on the central base in the circumferential direction, at least two pin shafts with conical tops are arranged on the connecting plates in sequence along the length direction of the connecting plates, and through holes for the pin shafts to be inserted are formed in the connecting rods.

3. The concrete tower bobbin piece splicing device according to claim 1, wherein the fixed base comprises a U-shaped sliding bottom plate and a rotating shaft mounted on the sliding bottom plate, the adjusting seat is L-shaped and is rotatably connected with the fixed base through a bearing sleeved on the rotating shaft, a limiting column is arranged on the upper surface of the rotating shaft, the clamping assembly is sleeved on the limiting column through a sleeve mounted below the clamping seat, the pushing block is opposite to the sleeve, and the radius of the limiting column is slightly smaller than that of the sleeve.

4. The concrete tower tube piece splicing device according to claim 3, wherein the clamping mechanism further comprises positioning screws in threaded connection with the bearings, and the positioning screws penetrate the bearings in the radial direction of the bearings and are not less than two.

5. The concrete tower bobbin piece splicing device according to claim 3, wherein the clamping seat is U-shaped, clamping rods are arranged on two side walls of the clamping seat on the inner side and the outer side of the pipe piece, the head parts of the clamping rods face the pipe piece, and the clamping rods vertically penetrate through grooves formed in the side walls of the clamping seat and are fixed in position on the clamping seat through two clamping nuts sleeved on the clamping rods.

6. The concrete tower bobbin pipe splicing device according to claim 1, wherein the number of the supporting beams is twice that of the pipe pieces, and the concrete tower bobbin pipe splicing device comprises end supporting beams and middle supporting beams which are arranged in a staggered mode, wherein the end supporting beams are in a shape like a Chinese character 'kou', a clamping mechanism is arranged on each of two long edges of each end supporting beam, the straight line distance between each clamping mechanism and a central base is the same, and the middle supporting beams are in a shape like a Chinese character 'yi', and a clamping mechanism is also arranged on each middle supporting beam.

7. The concrete tower bobbin piece splicing device according to claim 1, wherein the supporting beam is hinged to the connecting rod, leveling support legs are arranged at the bottom of the supporting beam and comprise support leg seats and adjusting screws, the support leg seats are located at the bottom of the supporting beam, the number of the adjusting screws is two, the two adjusting screws are respectively located on two sides of the supporting beam, the lower ends of the adjusting screws are rotatably connected to the support leg seats, and the upper ends of the adjusting screws penetrate through adjusting plates fixed on the side edges of the supporting beam and are in threaded connection with leveling nuts respectively located above and below the adjusting plates.

8. The concrete tower bobbin piece splicing device according to claim 1, wherein the fixing base slides on the support beam along the length direction of the support beam, a plurality of rows of positioning holes are distributed on the support beam along the length direction of the support beam in an array mode, and the number of each row of positioning holes is not less than two.

9. The concrete tower bobbin piece splicing device according to claim 1, further comprising a support rod with an adjustable length, wherein one end of the support rod is hinged to the upper surface of the support beam, particularly the upper surface of the middle support beam, and the other end of the support rod is hinged to the inner wall of the piece, and the whole support rod is arranged obliquely relative to the horizontal plane.