CN220578752U - Auxiliary tool and lifting equipment for lifting platform in tower barrel - Google Patents

Abstract

The utility model provides an auxiliary tool and lifting equipment for lifting a platform in a tower, wherein the auxiliary tool comprises a base and a mounting bracket. The base is used for being fixed on the tower flange; the installing support is fixed in on the base, and the installing support is equipped with the installation through-hole, and the installation through-hole is used for installing hoist. This application carries out the promotion of tower section of thick bamboo inner platform through auxiliary fixtures, at the in-process of construction operation, constructor can stand on waiting to promote the platform, also can stand on waiting to promote the tower section of thick bamboo flange of platform next door to can real-time observation auxiliary fixtures, short lifting rope and hoisting block's state, ensure that each position of lifting means is steady and has not warp, can reuse. In addition, the hoisting block hangs through installing the auxiliary fixtures on tower section of thick bamboo flange for the interval between application of force point and the anchor point reduces, and its security and reliability are high.

Description

Auxiliary tool and lifting equipment for lifting platform in tower barrel

Technical Field

The utility model relates to the field of wind power generation, in particular to an auxiliary tool and lifting equipment for lifting a platform in a tower.

Background

In the field installation and construction process of a wind power generator set in a wind power plant, unreasonable design of the height of an inner platform of a tower drum at the bottom section sometimes occurs, the installation of a lower-layer electrical cabinet is affected, and the installation elevation of the platform needs to be raised at the moment. In addition, in order to replace a new electrical system with a larger capacity in the operation period of the wind generating set, the electrical cabinet body may be ultrahigh, and at the moment, the height of the platform inside the tower barrel also needs to be increased. At present, the construction method in the industry generally uses a lifting rope to lift the upper layer of platform in an auxiliary way by punching holes on the upper layer of platform and hanging an electric or manual hoist so as to achieve the purpose of lifting the platform. However, because the length of the lifting rope is too long, the application point is too far away from the anchor point, the safety and reliability are low, and rope breakage or other safety accidents are easy to occur.

Disclosure of Invention

Based on the above, it is necessary to provide an auxiliary tool and lifting equipment for lifting the platform in the tower, aiming at the problems that the lifting rope is too long, the force application point is too far from the anchor point, the safety and reliability are low, and rope breakage or other safety accidents are easy to occur in the current construction method in the industry.

The technical scheme is as follows:

in one aspect, an auxiliary fixtures for a tower inside platform promotes is provided, includes:

the base is used for being fixed on the tower flange;

the mounting bracket is fixed on the base and is provided with a mounting through hole for mounting a hoist.

The technical scheme is further described as follows:

in one embodiment, the mounting bracket comprises a stand column and a cross arm, the stand column is fixed on the base, one end of the cross arm is fixedly connected with the stand column, and the other end of the cross arm is provided with the mounting through hole.

In one embodiment, the mounting bracket further comprises an inclined support, and the inclined support is fixedly connected with the upright post and the cross arm.

In one embodiment, the upright is a channel steel column, the cross arm is a channel steel arm, the inclined support piece is an inclined support channel steel, and two ends of the inclined support channel steel are welded with the channel steel column and the channel steel arm in one-to-one correspondence.

In one embodiment, the base further comprises two fixing holes, the two fixing holes are respectively located on two sides of the upright post, and the two fixing holes are used for being fixedly matched with bolts on the tower barrel flange.

In one embodiment, the auxiliary tool for lifting the platform inside the tower further comprises at least one group of reinforcing members, and the reinforcing members are fixedly connected with the upright posts and the base.

In one embodiment, the reinforcing members are two groups, the two groups of reinforcing members are symmetrically arranged on two sides of the upright post, and the connecting line between the two groups of reinforcing members and the connecting line included angle between the two fixing holes are arranged.

In one embodiment, each group of reinforcing members comprises two rib plates, an included angle is formed between the two rib plates on the same side of the upright post, and the two rib plates on the same side of the upright post are contacted with one side of the upright post along the vertical direction and are fixedly connected with one side of the upright post.

In one embodiment, the outer wall of the base and the outer wall of the mounting bracket are coated with an anti-corrosion layer.

On the other hand, the lifting equipment comprises at least one hoisting block and at least one auxiliary tool for lifting the platform in the tower, wherein each hoisting block is arranged on each auxiliary tool for lifting the platform in the tower.

When the auxiliary fixture and the lifting device for lifting the platform inside the tower barrel are used, firstly, a plurality of fixture fixing points are uniformly selected on the flange of the tower barrel beside the platform to be lifted, so that an auxiliary fixture can be installed at each fixture fixing point. Then, after the base is correspondingly fixed at the fixture fixing point of the tower barrel flange through bolts on the tower barrel flange, a short lifting rope is installed in the installation through hole of the installation support, a crane hoist is hung, and a chain of the crane hoist hooks an anchor point on the platform to be lifted. Then, a plurality of hoisting hoists are matched for construction to start platform lifting operation, when lifting is started, the hoisting is firstly carried out, loading is continued after no abnormality exists, the whole process is carried out slowly, and large shaking of the platform to be lifted is avoided; and finally, after the platform to be lifted is lifted to a preset height, stopping the lifting operation of the platform, and observing and performing other operations by constructors to lift the platform inside the tower. Compared with the construction method in the industry at present, the lifting device is used for lifting the platform inside the tower, on one hand, in the construction operation process, constructors can stand on the platform to be lifted and can stand on the flange of the tower beside the platform to be lifted, so that the states of auxiliary tools, short lifting ropes and lifting hoists can be observed in real time, and all parts of the lifting device are ensured to be stable and free from deformation and can be reused. In addition, the hoisting block hangs through installing the auxiliary fixtures on tower section of thick bamboo flange for the interval between application of force point and the anchor point reduces, and its security and reliability are high. On the other hand, the auxiliary fixture is simple in structure, convenient to produce and process, convenient to operate in field use, short in preparation time, capable of accelerating the construction speed of lifting the platform inside the tower, short in lifting stroke and capable of greatly improving the construction efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application.

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an auxiliary tool for lifting a platform inside a tower according to an embodiment.

Fig. 2 is a partial enlarged view of a portion a in fig. 1.

Reference numerals illustrate:

10. an auxiliary tool; 100. a base; 110. a fixing hole; 200. a mounting bracket; 210. a column; 220. a cross arm; 221. mounting through holes; 230. a diagonal support member; 300. a reinforcement.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

As shown in fig. 1 and 2, in one embodiment, an auxiliary tool 10 for lifting a platform inside a tower is provided, and includes a base 100 and a mounting bracket 200. The base 100 is used for being fixed on a tower flange; the mounting bracket 200 is fixed to the base 100, and the mounting bracket 200 is provided with a mounting through hole 221, and the mounting through hole 221 is used for mounting a hoist block.

When the auxiliary tool 10 for lifting the platform inside the tower in the above embodiment is used, firstly, a plurality of tool fixing points are uniformly selected on the flange of the tower beside the platform to be lifted, so that an auxiliary tool 10 can be installed at each tool fixing point. Then, after the base 100 is correspondingly fixed at the fixture fixing point of the tower flange through bolts on the tower flange, a short lifting rope is installed in the installation through hole 221 of the installation bracket 200, a crane hoist is hung, and a chain of the crane hoist hooks an anchor point on a platform to be lifted. Then, a plurality of hoisting hoists are matched for construction to start platform lifting operation, when lifting is started, the hoisting is firstly carried out, loading is continued after no abnormality exists, the whole process is carried out slowly, and large shaking of the platform to be lifted is avoided; and finally, after the platform to be lifted is lifted to a preset height, stopping the lifting operation of the platform, and observing and performing other operations by constructors to lift the platform inside the tower. Compared with the construction method in the industry at present, the construction method of the tower inner platform is carried out through the auxiliary tool 10, on one hand, in the construction operation process, constructors can stand on the platform to be lifted and also can stand on the tower flange beside the platform to be lifted, so that the states of the auxiliary tool 10, the short lifting rope and the lifting hoist can be observed in real time, and all parts of the lifting equipment are ensured to be stable and free from deformation and can be reused. In addition, the hoisting block is hung through the auxiliary fixture 10 arranged on the flange of the tower, so that the distance between the force application point and the anchor point is reduced (the height difference between two adjacent platforms in the tower is usually more than 10 meters), and the safety and reliability are high. On the other hand, the auxiliary tool 10 is simple in structure, convenient to produce and process, convenient to operate in field use, short in preparation time, capable of accelerating the construction speed of lifting the platform inside the tower, short in lifting stroke and capable of greatly improving the construction efficiency.

The size and shape of the base 100, the mounting bracket 200 and the mounting through hole 221 can be determined according to the actual engineering conditions, and the flexibility and the universality are high. The mounting through hole 221 is mechanically perforated. The hoisting hoist can be a chain hoist or an electric hoist. In particular to the present embodiment, the mounting through hole 221 is provided as a circular hole or a kidney-shaped hole; the hoisting hoist is set as a chain hoist, and the specification of the chain hoist is about 2 t. An anchor point is generally preset on the platform to be lifted, and if the anchor point is not available, an anchor point structure needs to be welded in advance.

In other embodiments, the auxiliary tool 10 of the present application may be used in other similar retrofit projects (e.g., electrical cabinet lifting, etc.).

As shown in fig. 1 and 2, further, the mounting bracket 200 includes a vertical column 210 and a cross arm 220, the vertical column 210 is fixed on the base 100, one end of the cross arm 220 is fixedly connected with the vertical column 210, and the other end of the cross arm 220 is provided with a mounting through hole 221. So, the installation through hole 221 is located the direction of waiting to promote the platform for the hoist can be located the top of waiting to promote the platform, guarantees that hoist can be stable, reliable promotion wait to promote the platform, avoids hoist and parts such as stand 210 and tower section of thick bamboo flange to take place to interfere, has improved auxiliary fixtures 10's reliability.

The upright post 210 is fixed on the base 100, and one end of the cross arm 220 is fixedly connected with the upright post 210, which may be fastened, screwed, welded or otherwise fixedly connected.

As shown in fig. 1, optionally, the mounting bracket 200 further includes a diagonal brace 230, where the diagonal brace 230 is fixedly connected to both the upright 210 and the cross arm 220. In this way, the reinforcing member 300 can increase the rigidity of the auxiliary tool 10, ensure that the auxiliary tool 10 can lift the platform to be lifted through the hoist, and improve the reliability of the auxiliary tool 10.

The diagonal brace 230 may be a diagonal brace, or other diagonal brace structure. The diagonal brace 230 is fixedly connected to the upright 210 and the cross arm 220 by a clamping, screwing, welding or other fixing connection method.

As shown in fig. 1, the base 100 is optionally provided as a rectangular steel plate; the upright post 210 is set to be a channel steel column, the cross arm 220 is set to be a channel steel arm, the inclined support piece 230 is set to be an inclined support channel steel, and two ends of the inclined support channel steel are welded with the channel steel column and the channel steel arm in a one-to-one correspondence mode. Therefore, all parts in the auxiliary tool 10 can be standard steel parts, and the manufacturing cost of the auxiliary tool 10 is reduced.

And the rectangular steel plate and the groove steel column, the groove steel column and the channel steel arm, the groove steel column and the inclined support channel steel and the channel steel arm can be subjected to common fillet welding, but the welding quality is ensured.

In this embodiment, four fixture fixing points are uniformly selected on the tower flange, and the four fixture fixing points are respectively and correspondingly provided with an auxiliary fixture 10 and a hoist. So, the platform weight that is used for installing the regulator cubicle in the tower section of thick bamboo is less than 1t generally, calculates dynamic load coefficient and unbalance factor, and on average every auxiliary fixtures 10 atress does not exceed 400Kg, and the auxiliary fixtures 10 in this application uses ordinary shaped steel just can produce processing, generally need not intensity checking calculation, convenient and fast is applicable to urgent construction.

As shown in fig. 2, in one embodiment, the base 100 further includes two fixing holes 110, where the two fixing holes 110 are located on two sides of the upright 210, and the two fixing holes 110 are used to fixedly mate with bolts on the flange of the tower. So, the base 100 can make full use of the bolt on the tower flange to carry out fixed fit, does not need to purchase the bolt, furthest utilizes on-site resources, can also avoid destroying the fan body, has reduced the installation cost of auxiliary fixtures 10.

When the base 100 is mounted on the tower flange, the bolts located between the two fixing holes 110 need to be removed in advance, and the bolts corresponding to the fixing holes 110 need to be completely tightened.

Alternatively, the fixing hole 110 is provided as a kidney-shaped hole. Thus, the kidney-shaped holes can adapt to bolts with different specifications, so that the base 100 can be correspondingly fixed on different tower flanges, and can be repeatedly used for a plurality of times, and the applicability of the auxiliary tool 10 is improved.

As shown in fig. 2, in one embodiment, the auxiliary tool 10 for lifting the platform inside the tower further includes at least one set of reinforcing members 300, where the reinforcing members 300 are fixedly connected to the upright 210 and the base 100. In this way, the reinforcement 300 can increase the connection strength between the upright post 210 and the base 100, ensure that the upright post 210 will not deform relative to the base 100 during use, and improve the reliability of the auxiliary tool 10.

Wherein the stiffener 300 may be a stiffener, a stiffener plate, or other stiffening structure. The number of the reinforcing members 300 can be flexibly adjusted according to the actual use. For example, the stiffener 300 may be one set, two sets, four sets, or the like.

As shown in fig. 2, further, the reinforcing members 300 are two groups, the two groups of reinforcing members 300 are symmetrically disposed on two sides of the upright 210, and the connecting line between the two groups of reinforcing members 300 is disposed at an included angle with the connecting line between the two fixing holes 110. In this way, the pressure on the upright column 210 can be uniformly transferred to the tower flange through the bolts and the reinforcing piece 300, so that the tower flange can stably and reliably support the auxiliary tool 10, and the reliability of the auxiliary tool 10 is improved.

In particular, in the present embodiment, the connection line between the two sets of reinforcement members 300 is perpendicular to the connection line between the two fixing holes 110.

As shown in fig. 2, optionally, each set of reinforcement members 300 includes two rib plates, where an included angle is formed between two rib plates on the same side of the upright post 210, and two rib plates on the same side of the upright post 210 are in contact with one side of the upright post 210 along the vertical direction and are fixedly connected with one side of the upright post 210. In this way, the pressure on the column 210 can be more uniformly transferred to the tower flange through the reinforcement 300, and the reliability of the auxiliary tool 10 is improved. In this embodiment, the rib plate, the upright posts 210 and the base 100 are welded together.

The angle value between the two rib plates on the same side of the upright post 210 can be flexibly adjusted according to the actual use requirement. Specifically, in this embodiment, each rib plate is disposed at an included angle of 30 ° on the side corresponding to the upright post 210.

In one embodiment, the outer wall of the base 100 and the outer wall of the mounting bracket 200 are coated with a corrosion protection layer. Thus, the anti-corrosion layer can play a role in protecting the base 100 and the mounting bracket 200, and the service life of the auxiliary bracket is prolonged. In this embodiment, the outer wall of the base 100 and the outer wall of the mounting bracket 200 can be painted for corrosion protection.

In other embodiments, the outer wall of the stiffener 300 is also coated with a corrosion protection layer. If the wind farm environment (i.e., the environment in which the tower is located) is dry and not in the sea, the base 100, the mounting bracket 200, and the stiffener 300 may not be subjected to corrosion protection.

In one embodiment, a lifting device is provided, including at least one hoist and at least one auxiliary tool 10 for lifting a platform in a tower according to any of the above embodiments, where each hoist is mounted on each auxiliary tool 10 for lifting a platform in a tower.

In use, in the lifting device of the above embodiment, first, a plurality of fixture fixing points are uniformly selected on the tower flange beside the platform to be lifted, so that an auxiliary fixture 10 can be installed at each fixture fixing point. Then, after the base 100 is correspondingly fixed at the fixture fixing point of the tower flange through the bolts on the barrel flange, a short lifting rope is installed in the installation through hole 221 of the installation bracket 200, a crane hoist is hung, and the chain of the crane hoist hooks an anchor point on the platform to be lifted. Then, a plurality of hoisting hoists are matched for construction to start platform lifting operation, when lifting is started, the hoisting is firstly carried out, loading is continued after no abnormality exists, the whole process is carried out slowly, and large shaking of the platform to be lifted is avoided; and finally, after the platform to be lifted is lifted to a preset height, stopping the lifting operation of the platform, and observing and performing other operations by constructors to lift the platform inside the tower. Compared with the construction method in the industry at present, the lifting device is used for lifting the platform inside the tower, on one hand, in the construction operation process, constructors can stand on the platform to be lifted and can stand on the flange of the tower beside the platform to be lifted, so that the states of the auxiliary tool 10, the short lifting rope and the lifting hoist can be observed in real time, and all parts of the lifting device are ensured to be stable and free from deformation and can be reused. In addition, the hoisting block is hung through the auxiliary fixture 10 arranged on the flange of the tower, so that the distance between the force application point and the anchor point is reduced (the height difference between two adjacent platforms in the tower is usually more than 10 meters), and the safety and reliability are high. On the other hand, the auxiliary tool 10 is simple in structure, convenient to produce and process, convenient to operate in field use, short in preparation time, capable of accelerating the construction speed of lifting the platform inside the tower, short in lifting stroke and capable of greatly improving the construction efficiency.

The number of the hoisting blocks and the auxiliary tools 10 can be flexibly adjusted according to the actual use requirement. For example, the number of hoist blocks and auxiliary tools 10 is two, three or four.

Optionally, the lifting device further comprises a short lifting rope, the short lifting rope is correspondingly installed in the installation through hole 221, and the hoisting hoist is correspondingly hung on the short lifting rope. As shown in the figure, the hoist can be mounted on the auxiliary tool 10 through the short lifting rope, so that the convenience of mounting the lifting equipment is improved.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A auxiliary fixtures for inside platform of tower section of thick bamboo promotes, a serial communication port includes:

the base is used for being fixed on the tower flange;

the mounting bracket is fixed on the base and is provided with a mounting through hole for mounting a hoist.

2. The auxiliary tool for lifting the platform inside the tower according to claim 1, wherein the mounting bracket comprises a stand column and a cross arm, the stand column is fixed on the base, one end of the cross arm is fixedly connected with the stand column, and the other end of the cross arm is provided with the mounting through hole.

3. The auxiliary tool for lifting the platform inside the tower according to claim 2, wherein the mounting bracket further comprises a diagonal support member, and the diagonal support member is fixedly connected with the upright post and the cross arm.

4. The auxiliary fixture for lifting the platform inside the tower according to claim 3, wherein the upright posts are groove steel columns, the cross arms are channel steel arms, the inclined support members are inclined support channel steel, and two ends of the inclined support channel steel are welded with the groove steel columns and the channel steel arms in a one-to-one correspondence mode.

5. The auxiliary fixture for lifting the platform inside the tower according to claim 2, wherein the base further comprises two fixing holes, the two fixing holes are respectively located on two sides of the upright post, and the two fixing holes are respectively used for being fixedly matched with bolts on the flange of the tower.

6. The auxiliary tool for lifting an inner platform of a tower of claim 5, further comprising at least one set of reinforcement members, wherein the reinforcement members are fixedly connected to the upright and the base.

7. The auxiliary tool for lifting the platform inside the tower according to claim 6, wherein the number of the reinforcing members is two, the two reinforcing members are symmetrically arranged on two sides of the upright post, and the connecting line between the two reinforcing members and the connecting line included angle between the two fixing holes are arranged.

8. The auxiliary fixture for lifting the platform inside the tower according to claim 7, wherein each group of reinforcing members comprises two rib plates, an included angle is formed between the two rib plates on the same side of the upright post, and the two rib plates on the same side of the upright post are contacted with one side of the upright post along the vertical direction and are fixedly connected with one side of the upright post.

9. The auxiliary tool for lifting a platform inside a tower according to any one of claims 1 to 8, wherein the outer wall of the base and the outer wall of the mounting bracket are coated with an anti-corrosive layer.

10. Lifting equipment, characterized by comprising at least one hoist and at least one auxiliary tool for lifting the platform inside the tower according to any one of claims 1 to 9, each of said hoist being mounted on each of said auxiliary tools for lifting the platform inside the tower.