CN109940743B

CN109940743B - Mould for manufacturing wind power concrete tower

Info

Publication number: CN109940743B
Application number: CN201910300878.XA
Authority: CN
Inventors: 王康世; 曹广启; 路绪恒
Original assignee: Shanghai Electric Wind Power Group Co Ltd
Current assignee: Shanghai Electric Wind Power Group Co Ltd
Priority date: 2019-01-04
Filing date: 2019-04-15
Publication date: 2021-07-02
Anticipated expiration: 2039-04-15
Also published as: CN113070987B; CN113070987A; CN109940743A

Abstract

The invention discloses a mould for manufacturing a wind power concrete tower, which comprises a mould body, wherein a straight space is arranged in the mould body; the adjusting mechanism can be relatively displaced in the straight space along the length direction of the straight space so as to adjust the size of the mold cavity. According to the mould for manufacturing the wind power concrete tower, the size of the cavity of the mould is adjusted by moving the adjusting mechanism in the straight space, so that the size of the straight tower section can be adjusted as required, one set of mould can be suitable for manufacturing wind power concrete towers of different models and different heights, the mould is flexible and adjustable, the cost is greatly saved, the development period is saved, and the mould has positive significance for popularization of the wind power concrete tower and rapid adaptation to newly developed towers.

Description

Mould for manufacturing wind power concrete tower

The present application claims priority from chinese patent application CN201910009341.8 filed on 2019, 1, month 4. The present application refers to the above-mentioned chinese patent application in its entirety.

Technical Field

The invention relates to a mould, in particular to a mould for manufacturing a wind power concrete tower.

Background

The tower type of the wind generating set is various, and the concrete tower has a plurality of advantages due to the large-scale wind generating set and the requirement of a low wind speed area, and the development is rapid. At present, most of precast concrete towers at home and abroad are generally conical in appearance, and the height of each tower section is 3-4 m, because the diameter of each tower section changes little from bottom to top, each tower section needs one set of die. For example, a 120 m fully mixed tower needs 30 sets of moulds, and the investment amount is huge. The other is a cylindrical and conical combined concrete tower, although the investment of the mould is reduced, 5-7 sets of moulds are needed for one tower. But the tower is not suitable for towers of all models and heights, the structure of the tower has sudden change, and the stress and the concrete material are not optimal. The concrete tower of a certain company is in a structure that the lower end adopts a concrete tower and the upper end adopts a steel tower, a tower section in the concrete tower is the combination of a straight tower section and a fillet tower section, a straight mould and a fillet mould are separately manufactured at present, and the height of the tower section is about 16 meters, or at least 3 sets of moulds are needed; meanwhile, the straight tower section and the round-angle tower section in the concrete tower are combined with eight vertical joints, the sealing structure is complex, the grouting amount is large, and the overall cost is high.

The prefabricated member is generally a customized structure, and only one tower can be manufactured by one set of die. The number and variety of newly-opened moulds for different towers are large, the investment is large, and construction enterprises need to frequently open the moulds for the new towers. And the use times of the mould is not guaranteed in a certain amount, the economy is poor, and the domestic development of the wind power concrete tower is limited.

Disclosure of Invention

The invention aims to overcome the defects that a plurality of sets of moulds are needed and investment is large in the existing wind power concrete tower frame manufacturing process, and provides a mould for manufacturing a wind power concrete tower frame.

The invention solves the technical problems through the following technical scheme:

a mould for manufacturing a wind power concrete tower comprises a mould body, wherein a straight space is formed in the mould body; the adjusting mechanism can be relatively displaced in the straight space along the length direction of the straight space so as to adjust the size of the mold cavity.

In this scheme, adopt above-mentioned structural style, remove the size that comes the regulation mould cavity through adjustment mechanism in straight space for can adjust as required to the length of straight tower section, realize the preparation of the applicable different models of one set of mould, the wind-powered electricity generation concrete tower of co-altitude, the mould is nimble adjustable, practices thrift the cost greatly, saves development cycle, promotes and adapts to new development tower fast to wind-powered electricity generation concrete tower and has positive meaning.

Preferably, the adjusting mechanism includes a moving plate and a driving member, the moving plate is slidably disposed in the straight space, and the driving member is inserted into the mold body and connected to the moving plate.

In this scheme, adopt above-mentioned structural style, will drive the movable plate through the driving piece and slide in straight space to the realization is to the length adjustment of straight tower section, realizes making the concrete tower of different specifications.

Preferably, the movable plate comprises a plate body and an internal threaded pipe, the plate body is slidably arranged in the straight space, the internal threaded pipe is connected to one surface of the plate body facing the driving piece, the driving piece is a screw rod, the screw rod is rotatably inserted into the mold body, and the screw rod is in threaded connection with the internal threaded pipe; the screw rod can drive the internal thread pipe to relatively displace along the length direction of the straight space through rotation.

In this scheme, adopt above-mentioned structural style, drive internal thread pipe and board body through rotatory screw rod and remove in straight space, realize simple structure, convenient to use to the length adjustment of straight tower section.

Preferably, the adjusting mechanism further comprises an upper end plate, the upper end plate is connected to the end of the die body, a threaded hole is formed in the upper end plate, the screw rod penetrates through the upper end plate, and the screw rod is in threaded connection with the threaded hole.

In this scheme, adopt above-mentioned structural style, the screw hole through the upper end plate plays the limited action to the screw rod, prevents that the screw rod from producing the dislocation phenomenon at rotatory in-process, has improved adjustment mechanism's stability.

Preferably, the mold body is further provided with a corner space therein, and the corner space is communicated with the straight space.

In this scheme, adopt above-mentioned structural style for integrated into one piece between the bent angle tower section of the straight tower section of straight space preparation and bent angle space preparation realizes that the perps quantity in the concrete tower section is still less, has simplified the seal structure of concrete tower section, the cost is reduced.

Preferably, the number of the straight spaces is two, and the two straight spaces are respectively arranged at two ends of the corner space and communicated with the corner space.

Preferably, the number of the adjusting mechanisms is two, the two adjusting mechanisms are respectively inserted into two ends of the mold body, and the two adjusting mechanisms are respectively slidably disposed in the two straight spaces.

Preferably, the mold further comprises a mounting frame, and the mold body is fixedly connected to the mounting frame.

In this scheme, adopt above-mentioned structural style, set up the installation of mould body on the mounting bracket, the processing preparation of the wind-powered electricity generation concrete tower of being convenient for.

Preferably, the mold further comprises a bottom plate and two side plates, the two side plates are arranged on the top surface of the bottom plate in parallel and at intervals, the number of the mold bodies is two, the bottom end of each mold body is slidably arranged on the top surface of the bottom plate, the adjusting mechanism is inserted into the top end of each mold body, the two mold bodies are both positioned between the two side plates, a pouring area is formed between each two mold bodies, the two side plates and the bottom plate, and the pouring area is communicated with the two mold cavities;

at least one of the die bodies can be relatively displaced on the top surface of the bottom plate along the length direction of the side plate, so that the two die bodies can be close to or far away from each other.

In this scheme, adopt above-mentioned structural style, remove at the top surface of bottom plate through the mould body, adjust the distance between two mould bodies to the realization is to the adjustment of the length of the straight tower section of middle part. Meanwhile, the structure is simple, and the use is convenient.

Preferably, the bottom of the mold body is provided with a guide member, the top surface of the bottom plate is provided with a sliding groove along the length direction of the side plate, and the guide member is slidably arranged in the sliding groove.

In this scheme, adopt above-mentioned structural style, the spout has the guide effect, removes in the spout through the guide and can guarantee that the mould body removes along the length direction of curb plate, has effectively avoided the mould body to produce the skew dislocation phenomenon at the in-process that removes, has improved the machining precision of mould.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

according to the mould for manufacturing the wind power concrete tower, the size of the cavity of the mould is adjusted by moving the adjusting mechanism in the straight space, so that the size of the straight tower section can be adjusted as required, one set of mould can be suitable for manufacturing wind power concrete towers of different models and different heights, the mould is flexible and adjustable, the cost is greatly saved, the development period is saved, and the mould has positive significance for popularization of the wind power concrete tower and rapid adaptation to newly developed towers.

Drawings

Fig. 1 is a schematic structural diagram of a wind power concrete tower according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a tower section of a wind power concrete tower according to embodiment 1 of the present invention.

Fig. 3 is an exploded structural schematic diagram of a tower section of a wind power concrete tower according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of a mold for manufacturing a wind power concrete tower according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural diagram of a tower section of a wind power concrete tower according to embodiment 2 of the present invention.

Fig. 6 is an exploded structural schematic diagram of a tower section of a wind power concrete tower according to embodiment 2 of the present invention.

Fig. 7 is a schematic structural diagram of a mold for manufacturing a wind power concrete tower according to embodiment 2 of the present invention.

Description of reference numerals:

die body 1

Straight space 11

Corner space 12

Guide member 13

Adjusting mechanism 2

Moving plate 21

Drive member 22

Upper end plate 23

Base plate 3

Pouring area 31

Mounting frame 4

Wind power concrete tower 10

Concrete tower segment 101

Straight tower section 102

Angled tower section 103

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1, 2, 3 and 4, the present embodiment discloses a mold for manufacturing a wind power concrete tower 10. The wind power concrete tower 10 for manufacturing comprises a concrete tower which is formed by combining a plurality of concrete tower sections 101, wherein the concrete tower sections 101 comprise a plurality of straight tower sections 102 and bent tower sections 103 which are connected with each other and are surrounded together.

The die comprises a die body 1 and an adjusting mechanism 2, wherein a straight space 11 is arranged in the die body 1, the adjusting mechanism 2 is inserted into the straight space 11, and a die cavity is formed by the adjusting mechanism 2 and the die body 1; the adjustment mechanism 2 is capable of relative displacement within the straight space 11 along the length direction of the straight space 11 to adjust the size of the mold cavity. The straight space 11 of mould body 1 is used for making straight tower section 102, move the size that comes the regulation mould cavity through adjustment mechanism 2 in straight space 11, make the length to straight tower section 102 adjust as required, make the concrete tower section 101 of different models size through the length size of straight tower section 102, a plurality of concrete tower sections 101 combine into the concrete tower frame, realize the applicable different models of one set of mould, the preparation of the wind-powered electricity generation concrete tower frame 10 of co-altitude, the mould is nimble adjustable, greatly save the cost, save the development cycle, it has positive meaning to promote and adapt to newly-developed pylon fast wind-powered electricity generation concrete tower frame 10.

The adjusting mechanism 2 comprises a moving plate 21 and a driving member 22, the moving plate 21 is slidably disposed in the straight space 11, and the driving member 22 is inserted into the mold body 1 and connected to the moving plate 21. The driving piece 22 drives the moving plate 21 to slide in the straight space 11, so that the length of the straight tower section 102 is adjusted, and concrete towers with different specifications are manufactured.

The moving plate 21 may include a plate body and an internal threaded pipe, the plate body is slidably disposed in the straight space 11, the internal threaded pipe is connected to one surface of the plate body facing the driving member 22, the driving member 22 is a screw rod, the screw rod is rotatably inserted into the mold body 1, and the screw rod is in threaded connection with the internal threaded pipe; the screw rod can drive the internal thread pipe to relatively displace along the length direction of the straight space 11 through rotation. Through rotatory screw rod for the screw rod can produce relative displacement in the internal thread pipe, thereby drives internal thread pipe and the board body and removes in straight space 11, realizes the length adjustment to straight tower section 102, and adjustment mechanism 2 simple structure, convenient to use.

The adjusting mechanism 2 may further include an upper end plate 23, the upper end plate 23 is connected to an end portion of the die body 1, the upper end plate 23 has a threaded hole, and the screw rod passes through the upper end plate 23 and is threadedly connected to the threaded hole. Upper end plate 23 fixed connection is on mould body 1 through rotatory screw rod for the screw rod produces in the threaded hole and removes, plays the limiting displacement to the screw rod through upper end plate 23, prevents that the screw rod from producing the dislocation phenomenon at rotatory in-process, has improved adjustment mechanism 2's stability.

The die body 1 may further have a corner space 12 therein, and the corner space 12 is communicated with the straight space 11. The bent angle space 12 is used for manufacturing the bent angle tower section 103, and the bent angle space 12 is communicated with the straight space 11, so that the straight tower section 102 manufactured by the straight space 11 and the bent angle tower section 103 manufactured by the bent angle space 12 are integrally formed, the number of vertical seams in the concrete tower section 101 is reduced, the sealing structure of the concrete tower section 101 is simplified, and the cost is reduced.

In this embodiment, concrete tower section 101 is comprised of two one-half U-shaped structures, such that concrete tower section 101 is fabricated with only two vertical joints. The two U-shaped structures are combined into a concrete tower section 101 through grouting, and the whole concrete tower is manufactured by superposing a plurality of concrete tower sections 101 to the designed height.

The die can also comprise a bottom plate 3 and two side plates (not shown in the figure), the two side plates are arranged on the top surface of the bottom plate 3 in parallel at intervals, the number of the die bodies 1 is two, the bottom end of the die body 1 is slidably arranged on the top surface of the bottom plate 3, the adjusting mechanism 2 is inserted into the top end of the die body 1, the two die bodies 1 are both positioned between the two side plates, a pouring area 31 is formed among the two die bodies 1, the two side plates and the bottom plate 3, and the pouring area 31 is communicated with two die cavities; at least one of the die bodies 1 can be relatively displaced along the length direction of the side plate on the top surface of the bottom plate 3, so that the two die bodies 1 can be close to or far away from each other.

Pouring area 31 on bottom plate 3 is square structure, and four limits of pouring area 31 are enclosed by the bottom of two mould bodies 1 and two curb plates in front and back. The pouring area 31 is used for manufacturing the straight tower section 102 at the middle part in the U-shaped structure, and the distance between the two die bodies 1 is adjusted by moving the die bodies 1 on the top surface of the bottom plate 3, so that the length of the straight tower section 102 at the middle part is adjusted. Meanwhile, the structure is simple, and the use is convenient. When the U-shaped structure is manufactured by casting the mold, the straight tower section 102 at the middle part in the casting area 31 is firstly cast, after initial setting is waited, in order to avoid cold seams, the joint surface can be treated by retarder or napping before secondary casting, and then the two mold cavities are cast until the U-shaped structure reaches the lifting strength.

In this embodiment, the number of the adjusting mechanisms 2 is two, and the two adjusting mechanisms 2 are respectively disposed at the top ends of the two die bodies 1, and the lengths of the straight tower sections 102 at the two ends in the U-shaped structure are adjusted by the two adjusting mechanisms 2.

The bottom of the die body 1 can be provided with a guide part 13, the top surface of the bottom plate 3 is provided with a sliding groove along the length direction of the side plate, and the guide part 13 is slidably arranged in the sliding groove. The spout has the guide effect, removes in the spout through guide 13 and can guarantee that mould body 1 removes along the length direction of curb plate, has effectively avoided mould body 1 to produce the skew dislocation phenomenon at the in-process that removes, has improved the machining precision of mould.

Both the two die bodies 1 can move on the top surface of the bottom plate 3, and one of the die bodies 1 can be on the top surface of the bottom plate 3, and the other die body 1 is fixed on the bottom plate 3. When the moving of the mold bodies 1 makes the distance between the two mold bodies 1 reach the length of the straight tower segment 102 at both ends in the U-shaped structure, the mold bodies 1 can be fixedly connected to the top surface of the bottom plate 3 through fasteners, and the mold bodies 1 are placed to move. Only when the prefabricated dimensions need to be changed, the fasteners need to be loosened to adjust the movement of the mould body 1.

Example 2

As shown in fig. 5, 6 and 7, the same portions of the mold structure of the present embodiment as those of embodiment 1 will not be repeated, and only the differences will be described. In this embodiment 2, concrete tower section 101 comprises four quarter's U-shaped structures, and four U-shaped structures are through grouting combination for a concrete tower section 101, and the length of U-shaped structure can reach 16 ~ 22 meters, just can make up into required concrete tower with less concrete tower section 101.

The die body 1 is provided with two straight spaces 11 and a corner space 12 therein, and the two straight spaces 11 are respectively arranged at two ends of the corner space 12 and communicated with the corner space 12. The straight space 11 is used for manufacturing the straight tower section 102, the bent space 12 is used for manufacturing the bent tower section 103, and the manufacturing of the U-shaped structure and the integral forming are realized through the two straight spaces 11 and the bent space 12.

The number of the adjusting mechanisms 2 is two, the two adjusting mechanisms 2 are respectively inserted into two ends of the die body 1, and the two adjusting mechanisms 2 are respectively and smoothly arranged in the two straight spaces 11. The length of the straight tower segment 102 at both ends in the U-shaped structure is adjusted by two adjustment mechanisms 2.

The die further comprises a mounting frame 4, and the die body 1 is fixedly connected to the mounting frame 4. The mould body 1 is arranged on the mounting frame 4, so that the wind power concrete tower 10 can be conveniently processed and manufactured.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A mould for manufacturing a wind power concrete tower comprises a mould body, wherein a straight space is arranged in the mould body; the adjusting mechanism can be relatively displaced in the straight space along the length direction of the straight space so as to adjust the size of the mold cavity; the mould body is also internally provided with a bent angle space, and the bent angle space is communicated with the straight space;

the number of the die bodies is two, the die further comprises a bottom plate and two side plates, the two side plates are arranged on the top surface of the bottom plate in parallel at intervals, and the bottom end of the die body is slidably arranged on the top surface of the bottom plate; the adjusting mechanism is inserted into the top end of the die body, the two die bodies are located between the two side plates, a pouring area is formed among the two die bodies, the two side plates and the bottom plate, and the pouring area is communicated with the two die cavities; at least one of the die bodies can be relatively displaced on the top surface of the bottom plate along the length direction of the side plate, so that the two die bodies can be close to or far away from each other.

2. The mold for manufacturing a wind power concrete tower according to claim 1, wherein the adjusting mechanism comprises a moving plate and a driving member, the moving plate is slidably disposed in the straight space, and the driving member is inserted into the mold body and connected to the moving plate.

3. The mold for manufacturing a wind power concrete tower according to claim 2, wherein the moving plate comprises a plate body and an internal threaded pipe, the plate body is slidably arranged in the straight space, the internal threaded pipe is connected to one surface of the plate body facing the driving piece, the driving piece is a screw rod, the screw rod is rotatably inserted into the mold body, and the screw rod is in threaded connection with the internal threaded pipe; the screw rod can drive the internal thread pipe to relatively displace along the length direction of the straight space through rotation.

4. The mold for manufacturing a wind power concrete tower according to claim 3, wherein the adjusting mechanism further comprises an upper end plate, the upper end plate is connected to the end portion of the mold body, a threaded hole is formed in the upper end plate, the screw rod penetrates through the upper end plate, and the screw rod is in threaded connection with the threaded hole.

5. The mold for manufacturing a wind power concrete tower according to claim 1, wherein the mold further comprises a mounting frame, and the mold body is fixedly connected to the mounting frame.

6. The mold for manufacturing a wind power concrete tower according to claim 1, wherein a guide piece is arranged at the bottom of the mold body, a sliding groove is formed in the top surface of the bottom plate along the length direction of the side plate, and the guide piece is slidably arranged in the sliding groove.