CN116006064A

CN116006064A - Tower section of thick bamboo frame ladder structure

Info

Publication number: CN116006064A
Application number: CN202211736252.1A
Authority: CN
Inventors: 郑睿; 张后禅; 陈宇
Original assignee: Shanghai Electric Research Concrete Mulei Construction Technology Co ltd
Current assignee: Shanghai Electric Research Concrete Mulei Construction Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-04-25

Abstract

The invention discloses a tower barrel frame ladder structure which comprises a storage connecting frame, a fixing piece and a hanging ladder; the storage connecting frame adopts a storage structure, and is in fit contact with the inner wall of the tower when being unfolded, and is fixedly arranged on the inner wall of the tower through a fixing piece; the hanging ladder is arranged inside the tower barrel and erected on the storage connecting frame, and the hanging ladder and the storage connecting frame form a triangular stable structure. According to the storage connecting frame, the expansion and positioning can be quickly carried out, so that the connection and the installation with the inner wall of the tower barrel can be quickly realized, and finally, the hanging ladder is hung on the storage connecting frame, so that the construction of the ladder structure can be realized.

Description

Tower section of thick bamboo frame ladder structure

Technical Field

The invention relates to the field of wind power towers, in particular to a tower frame ladder structure.

Background

The production process flow of the wind power tower is generally as follows: the method comprises the steps of blanking by a numerical control cutting machine, chamfering a thick plate, spot welding, positioning, welding inner and outer longitudinal joints after plate bending by a plate bending machine is needed, carrying out roundness inspection, carrying out secondary roundness comparison if a problem exists, carrying out assembly-to-point welding on a roller frame by a hydraulic assembly after welding a single-section cylinder, carrying out tolerance inspection such as inner and outer circumferential joints, straightness and the like, carrying out nondestructive inspection and flatness inspection on a welding line after welding a flange, carrying out sand blasting and paint spraying treatment, and carrying out transportation to an installation site after finishing internal part installation and finished product inspection.

At present, the inside frame ladder structure of wind-powered electricity generation tower section of thick bamboo adopts the mode of bolt direct fixation to install more, needs to adopt the companion ladder to carry out the bolt installation work of frame ladder structure not co-altitude department, and the installation flow is comparatively complicated.

Therefore, it is desirable to provide a tower ladder structure to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a tower barrel frame ladder structure so as to realize quick installation of the frame ladder structure and simplify the installation flow of the frame ladder structure.

In order to solve the technical problems, the invention provides a tower frame ladder structure, which comprises a storage connecting frame, a fixing piece and a hanging ladder;

the storage connecting frame adopts a storage structure, and is in fit contact with the inner wall of the tower when being unfolded, and is fixedly arranged on the inner wall of the tower through a fixing piece;

the hanging ladder is arranged inside the tower barrel and erected on the storage connecting frame, and the hanging ladder and the storage connecting frame form a triangular stable structure.

Further, accomodate the link and include the connection pad, rotate on the connection pad and install many links, just the link is even and circumference distributes on the connection pad, the link passes through mounting fixed mounting on the tower section of thick bamboo inner wall.

Further, a rotary hole is formed in the center of the connecting disc, a positioning cover is installed in the rotary hole through pin shaft rotation, and the connecting frame is located inside the positioning cover when being stored.

Furthermore, the outer edge of the positioning cover is provided with positioning grooves matched with the connecting frame, the positioning grooves are uniformly distributed on the outer edge of the positioning cover, and the opening ends of the positioning grooves are subjected to chamfering treatment.

Furthermore, the pin shaft is rotatably installed on the inner bottom surface of the positioning cover through a bearing, and the bearing is embedded and arranged on the positioning cover.

Further, the inner bottom surface of the positioning cover is provided with an adsorption magnetic sheet, and the outer bottom surface of the positioning cover is provided with a rotary handle.

Further, the fixing piece comprises a fixing piece rotatably installed at the end part of the connecting frame, a fixing hole is formed in the fixing piece, a fastening bolt penetrates through the fixing hole, and the fastening bolt is installed on the inner wall of the tower in a threaded mode.

Further, the hanging ladder comprises a hanging ladder, two self-locking hooks matched with the connecting frame are symmetrically arranged on the side face of the hanging ladder, and the self-locking hooks form a self-locking structure when the connecting frame enters.

Further, the self-locking hook comprises an inverted U-shaped hook body, a limiting strip is rotatably arranged in the hook body, and the limiting strip inclines towards the connecting strip and is abutted against the inner wall of the hook body.

Compared with the prior art, the invention has at least the following beneficial effects:

the storage connecting frame can be unfolded and positioned quickly and synchronously, can be connected and installed with the inner wall of the tower barrel quickly, can be stressed more uniformly and stably, and finally can be hung on the storage connecting frame to realize the construction of a frame ladder structure, and has the characteristics of simple structure and convenience in operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the tower ladder structure of the present invention;

FIG. 2 is a schematic view of a hanging ladder structure of the tower ladder structure of the present invention;

FIG. 3 is a schematic view of a storage connection rack of the tower ladder structure of the present invention;

fig. 4 is a schematic view of a positioning cover of the tower ladder structure of the present invention.

Detailed Description

The tower ladder structure of the present invention will now be described in more detail in connection with the accompanying schematic drawings, in which preferred embodiments of the invention are shown, it being understood that the invention described herein may be modified by those skilled in the art while still achieving the advantageous effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.

The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides a tower ladder structure, which includes a storage connection frame 1, a fixing member 2, and a hanging ladder 3;

the storage connecting frame 1 adopts a storage structure, the storage connecting frame 1 is in fit contact with the inner wall of the tower when being unfolded, and the storage connecting frame 1 is detachably and fixedly arranged on the inner wall of the tower through a fixing piece 2;

the hanging ladder 3 is arranged inside the tower barrel, the hanging ladder 3 is erected on the storage connecting frame 1, and the hanging ladder 3 and the storage connecting frame 1 form a triangular stable structure.

The tower barrel frame ladder structure in the embodiment of the invention can be provided with a plurality of tower barrels in one section, and can be provided with corresponding tower barrel frame ladder structures at required heights according to the mode of sequential arrangement from bottom to top.

In this embodiment, after the tower is built, when needs are put up the ladder installation, will accomodate link 1 and expand to use mounting 2 will accomodate link 1 fixed mounting to tower inner wall, later hang the ladder 3 and hang and be fixed to accomodate on the link 1, hang the ladder 3 and accomodate and constitute triangle-shaped stable structure between the link 1 this moment, hang the ladder 3 and stably install and accomodate on the link 1, accomplish the quick construction of frame ladder structure.

Further, the accommodating connection frame 1 comprises a connection disc 4, a plurality of connection frames 5 are rotatably installed on the connection disc 4, the connection frames 5 are uniformly and circumferentially distributed on the connection disc 4, and the connection frames 5 are fixedly installed on the inner wall of the tower through fixing pieces 2.

Specifically, the connecting frame 5 is rotatably installed on the connecting disc 4 through a rotating shaft (not numbered), when the connecting frame 5 needs to be stored, the connecting frame 5 rotates to the inside of the connecting disc 4, and at the moment, the occupied space is small, so that the connecting frame is convenient to store; when the installation of the storage connection frame 1 is required, the connection frame 5 is opened to the same opening angle, and the connection frame 5 is installed on the inner wall of the tower by using the fixing member 2. The connecting frame 5 adopts a storage structure, and the storage state and the installation state of the storage connecting frame 1 can be switched by rotating the connecting frame 5.

Further, the connecting frame 5 may be in a shape of a fold line or an arc, so that after being connected to the tower, the whole may be in a shape similar to a tripod (for example, three connecting frames 5), thereby having better stability.

Further, a rotary hole 6 is formed in the central position of the connecting disc 4, a positioning cover 8 is rotatably mounted in the rotary hole 6 through a pin shaft 7, and the connecting frame 5 is located inside the positioning cover 8 when being stored.

In this embodiment, when accomodating link 1 before not installing, link 5 folds and is located locating cover 8 inside, and locating cover 8 has restricted link 5 activity space, and link 5 does not outwards extend this moment, accomodates link 1 and is in the state of accomodating this moment, has significantly reduced the space occupation of accomodating link 1, conveniently installs accomodating link 1 and putting into tower inside.

Further, the outer edge of the positioning cover 8 is provided with positioning grooves 9 matched with the connecting frame 5, the positioning grooves 9 are uniformly distributed on the outer edge of the positioning cover 8, and the opening end of the positioning grooves 9 is subjected to chamfering treatment.

Specifically, when accomodating link 1 installation, link 5 passes constant head tank 9, and locating cover 8 is rotating the in-process, and link 5 synchronous rotation for be located tower section of thick bamboo central point after connection pad 4 installation is accomplished, guaranteed to accomodate the homogeneity of link 1 atress, and then improved the life of frame ladder structure.

In a specific embodiment, the pin shaft 7 is rotatably mounted on the inner bottom surface of the positioning cover 8 through a bearing, and the bearing is embedded and arranged on the positioning cover 8. The locating cover 8 is rotatably arranged on the connecting disc 4 through a bearing, so that abrasion between the locating cover 8 and the connecting disc 4 can be effectively reduced, and a certain protection effect is achieved.

Further, an adsorption magnetic sheet 10 is arranged on the inner bottom surface of the positioning cover 8, and a rotary handle 11 is arranged on the outer bottom surface of the positioning cover 8.

Specifically, the positioning cover 8 is inserted into the positioning groove 9 through the pin shaft 7 and can rotate around the pin shaft 7, at this time, the connecting frame 5 can be synchronously unfolded along with the rotation of the positioning cover 8, and finally the connecting frame 5 is fixedly mounted on the inner wall of the tower through the fixing piece 2. After the connection frame 1 is put up, the positioning cover 8 magnetically attracted to the connection disc 4 can be directly taken down with force.

Further, the fixing piece 2 comprises a fixing piece 12 rotatably installed at the end part of the connecting frame 5, a fixing hole 13 is formed in the fixing piece 12, a fastening bolt 14 penetrates through the fixing hole 13, and the fastening bolt 14 is installed on the inner wall of the tower in a threaded mode.

In this embodiment, rotating the positioning cover 8 makes the connecting frame 5 spread out synchronously, when the fixing piece 12 is all attached to the inner wall of the tower, the fixing piece 12 is fixed to the inner wall of the tower by using the fastening bolt 14, the installation of the storage connecting frame 1 is completed, the installation process is simple, and the connecting frame 5 spreads out synchronously, so that a uniform and stable support can be formed for the connecting disc 4.

Further, the hanging ladder 3 comprises a hanging ladder 15, two self-locking hooks 16 matched with the connecting frame 5 are symmetrically arranged on the side surface of the hanging ladder 15, and the self-locking hooks 16 form a self-locking structure when the connecting frame 5 enters.

Specifically, after the connection frame 1 is stored and installed, the hanging ladder 3 passes through the gap of the connection frame 5, then the hanging ladder 15 moves downwards, the self-locking hooks 16 are hung on the connection frame 5 to form self-locking, and at the moment, the installation of the hanging ladder 3 is completed, and the operation is simple and the connection is firm.

Further, the self-locking hook 16 includes an inverted U-shaped hook body 17, a limit bar 18 is rotatably mounted on the hook body 17, and the limit bar 18 is inclined toward the connection bar and is abutted against the inner wall of the hook body 17.

In this embodiment, after the hook 17 is hung on the connecting frame 5, the limiting strip 18 rotates under the action of gravity and abuts against the inner wall of the hook 17, and at this time, the connecting strip is located inside the limiting strip 18 and cannot be drawn out, so that the hook 17 is effectively prevented from falling off, and the connection firmness of the hook 17 is ensured.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The tower drum frame ladder structure is characterized by comprising a storage connecting frame, a fixing piece and a hanging ladder;

the accommodating connecting frame adopts an accommodating structure, is in fit contact with the inner wall of the tower when being unfolded, and is detachably and fixedly installed on the inner wall of the tower through a fixing piece;

2. The tower ladder structure of claim 1, wherein the receiving connector comprises a connecting disc, a plurality of connectors are rotatably mounted on the connecting disc, the connectors are uniformly and circumferentially distributed on the connecting disc, and the connectors are fixedly mounted on the inner wall of the tower through fixing pieces.

3. The tower ladder structure as set forth in claim 2, wherein a rotation hole is provided at the center of the connection disc, a positioning cover is rotatably installed in the rotation hole through a pin, and the connection frame is located inside the positioning cover when being stored.

4. A tower ladder structure as set forth in claim 3, wherein said positioning hood outer edge is provided with positioning slots matching said connecting frame, said positioning slots being uniformly distributed on said positioning hood outer edge, said positioning slot open ends being chamfered.

5. A tower ladder structure as set forth in claim 3, wherein said pin is rotatably mounted on said inner bottom surface of said positioning cover by bearings, and said bearings are mounted on said positioning cover in a mosaic arrangement.

6. A tower ladder structure as set forth in claim 3, wherein said positioning cover has an inner bottom surface provided with an adsorption magnetic sheet, and an outer bottom surface provided with a rotary handle.

7. The tower ladder structure of claim 2, wherein the fixing member comprises a fixing piece rotatably mounted at the end of the connecting frame, a fixing hole is formed in the fixing piece, a fastening bolt is arranged in the fixing hole in a penetrating manner, and the fastening bolt is mounted on the inner wall of the tower in a threaded manner.

8. The tower ladder structure of claim 2, wherein the hanging ladder comprises a hanging ladder, and two self-locking hooks matched with the connecting frame are symmetrically arranged on the side surface of the hanging ladder, and the self-locking hooks form a self-locking structure when the connecting frame enters.

9. The tower ladder structure of claim 8, wherein the self-locking hook comprises an inverted U-shaped hook body, a limit bar is rotatably arranged in the hook body, and the limit bar inclines towards the connecting bar and is abutted against the inner wall of the hook body.