CN115750225A

CN115750225A - Fixing device for downward cambered surface of product and using method

Info

Publication number: CN115750225A
Application number: CN202211444562.6A
Authority: CN
Inventors: 黄诗进; 伊日格乐; 丁治淇; 郭泽方; 王伟
Original assignee: Jiangsu CRRC Electric Co Ltd
Current assignee: Jiangsu CRRC Electric Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-07

Abstract

The invention discloses a fixing device for a product with a downward arc surface and a using method thereof, and relates to the technical field of fixing devices. The stator vane fixing device comprises a bottom plate, a supporting sleeper and a vertical plate, wherein the supporting sleeper is fixedly connected to the bottom plate, the upper side face of the supporting sleeper is a concave arc face and is matched with the arc face of a stator vane, the vertical plate is fixedly connected to the bottom plate, and the vertical plate is detachably and fixedly connected with the stator vane. The invention has the beneficial effects that: through adopting the cambered surface to support the sleeper as the support mode, set up measures such as limiting plate through setting up protective backing and stator lamella both sides simultaneously and protected the stator lamella in the surface quality of support in-process, adopted the effectual fastening difficult problem that leads to of distance difference that solves the stator lamella and produce when the handling is not placed in the middle of screw rod fixed knot structure between stator lamella and fixing device.

Description

Fixing device for downward cambered surface of product and using method

Technical Field

The invention relates to the technical field of fixing devices, in particular to a fixing device for a product with a downward cambered surface and a using method of the fixing device.

Background

Stator lamella type aerogenerator is a aerogenerator who forms by stator split assembly, and stator lamella generator has advantages such as easy transportation, fault loss are little, easy maintenance, nevertheless because of the unique structure of stator lamella, leads to it to have certain degree of difficulty in the transportation, and insecure fixed scheme may lead to product quality impaired.

Domestic current stator lamella all adopts the plane to place (the circular arc face upwards) fixed mode usually when the product transportation, and this kind of fixed mode can be convenient for transport, but along with the design of product diversification, for the convenience of subsequent assembly demand and formulation requirement, need place stator lamella product with the circular arc face downwards and fixed mode is shipped, at present, from the fixed of wind-powered electricity generation trade stator lamella and transportation technology on, it is fixed and prevent the protection method of displacement in the transportation to fix when the stator lamella cambered surface transports downwards not to have yet discovered.

Based on the technical problem, the applicant provides a fixing device for a product with a downward cambered surface and a using method thereof to solve the technical problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a fixing device for a product with a downward arc surface and a using method thereof, which are used for fixing and delivering the stator flap in a state that the arc surface faces downward under a specific condition, can effectively fix and protect the stator flap, and prevent the stator flap from generating displacement in the transportation process.

The invention is solved by the following technical scheme:

the fixing device comprises a bottom plate, a support sleeper and a vertical plate, wherein the support sleeper is fixedly connected to the bottom plate, the upper side face of the support sleeper is a concave arc face and is matched with the arc face of the stator flap, the vertical plate is fixedly connected to the bottom plate, and the vertical plate is detachably and fixedly connected with the stator flap.

Preferably, the support sleepers and the bottom plate are fixed through bolts, and the number of the bolts is not less than 2.

Preferably, a sinking platform is arranged in the middle of the support sleeper, and mounting holes are formed in the sinking platform and used for mounting the bolts.

Preferably, the mounting hole is in a U-shaped or large-aperture structure.

Preferably, the bottom plate is provided with a threaded hole corresponding to the mounting hole.

Preferably, the support sleeper surface is provided with a protective pad.

Preferably, the vertical plate is connected with the stator flap through a screw, the screw is fixed with the vertical plate through 2 nuts, and the screw is fixed with the stator flap through 2 nuts.

Preferably, a copper sleeve is further sleeved at the joint of the screw and the stator lobe.

Preferably, the upper side of the vertical plate is provided with a connecting hole.

Preferably, the top of the vertical plate is arc-shaped.

Preferably, the screw thread is full thread.

Preferably, limiting plates are further arranged on two sides of the stator flap, and the limiting plates extend out of the arc surface of the stator flap.

Preferably, the limiting plate is fixedly connected with the stator petal through a bolt.

Preferably, the bottom plate is a steel plate.

Preferably, the vertical plate is welded on the bottom plate.

Preferably, the bottom of the vertical plate is also provided with a reinforcing rib.

Preferably, a plurality of heightening supporting pieces are welded on the lower side of the bottom plate.

Preferably, the heightening support is vertically placed with the support sleeper, and the height of the heightening support is not less than 50mm.

Preferably, the heightening support is a square tube.

A use method of a fixing device when a product cambered surface faces downwards comprises the following steps: step A: fixedly connecting at least 2 support sleepers with the bottom plate through bolts; and B, step B: hoisting the stator segment to the support sleeper through the hoisting device, and enabling the arc surface of the stator segment to be abutted against the arc surface on the upper side of the support sleeper; and C: the stator flap and the vertical plate are fixedly connected through a screw and a nut; step D: and limiting plates are arranged on two sides of the stator lobe and fixedly connected by bolts.

Preferably, when the screw rod is installed in the step C, 2 nuts in the middle are installed first, and after the 2 nuts are respectively rotated to the surfaces of the stator vane and the vertical plate, 2 nuts on the outer side are installed for fixing.

The invention has the beneficial effects that: through adopting the cambered surface to support the sleeper as the support mode, set up measures such as limiting plate through setting up protective backing and stator lamella both sides simultaneously and protected the stator lamella in the surface quality of support in-process, adopted the effectual fastening difficult problem that leads to of distance difference that solves the stator lamella and produce when the handling is not placed in the middle of screw rod fixed knot structure between stator lamella and fixing device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a left side partial enlarged view of the present invention.

Fig. 3 is an enlarged schematic view at a of fig. 1.

Fig. 4 is a schematic view of the support crosstie of the present invention.

In the figure: 1. the device comprises a vertical plate, 2, a limiting plate, 3, a supporting sleeper, 4, a bottom plate, 5, a heightening supporting piece, 6, a screw rod, 7, a stator flap, 8, a nut, 9, a reinforcing rib, 10, a bolt, 11, a connecting hole, 12, a sinking platform, 13 and a mounting hole.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

Example 1:

as shown in fig. 1 to 4, the fixing device for a product with a downward arc surface comprises a bottom plate 4, wherein the bottom plate 4 is a steel plate, the fixing device further comprises a support sleeper 3 and a vertical plate 1, the vertical plate 1 can be used as a lifting device of the whole device to be lifted, a connecting hole 11 is formed in the upper side of the vertical plate 1 and used for connecting a lifting appliance, the position and the size of the connecting hole 11 are set to meet the mounting requirements of the lifting appliance, the top of the vertical plate 1 is arc-shaped and can reduce interference in the lifting process, a sinking platform 12 is arranged in the middle of the support sleeper 3, a mounting hole 13 is formed in the sinking platform 12, the mounting hole 13 is of a U-shaped or large-aperture structure and is convenient for later-stage assembly, the support sleeper 3 and the bottom plate 4 are fixed through bolts 10, the number of the bolts 10 is not less than 2, and the mounting hole 13 is used for mounting the bolt 10, the bottom plate 4 is provided with a threaded hole corresponding to the mounting hole 13, the upper side surface of the support sleeper 3 is a concave arc surface which is matched with the arc surface of the stator flap 7, the arc surface is integrally processed and can ensure the attaching degree with the stator flap 7, so that the support sleeper can be well contacted with the stator flap 7, the surface of the support sleeper 3 is provided with a protective liner which can be used for increasing the friction force between the stator flap 7 and the surface of the support sleeper 3 and also can be used for protecting the surface paint of the stator flap 7, the vertical plate 1 is welded on the bottom plate 4, the bottom of the vertical plate 1 is also provided with a reinforcing rib 9 which can enhance the reliability of the integral structure, the size of the bottom plate 4 is larger than the axial height of the stator flap 7, the welding space of the vertical plate 1 and the fixing space of the stator flap 7 and the vertical plate 1 are ensured, the lower side of the bottom plate 4 is also welded with a plurality of heightening support pieces 5, and the heightening support pieces 5 are square tubes, the strength is improved, the weight can be reduced, the heightening support piece 5 and the support sleeper 3 are vertically arranged, the support strength of the whole structure can be enhanced, the height of the heightening support piece 5 is not less than 50mm so as to meet the requirement of entering of a relieving tooth during use of the forklift, the vertical plate 1 is also used as an axial displacement prevention support device of the stator flap 7, the vertical plate 1 is connected with the stator flap 7 through a screw 6, the thread of the screw 6 is full thread, the screw can be adjusted according to the actual distance between the stator flap 7 and the vertical plate 1 during installation, the connection between the stator flap 7 and a fixing device can be better met, and the distance is different when the stator flap 7 is hoisted to the fixing device, the connection and the installation of work piece in can realizing the certain distance through full threaded screw rod 6, screw rod 6 with riser 1 is fixed through 2 nuts 8, screw rod 6 with stator lamella 7 is fixed through 2 nuts 8, in order to prevent that 6 damage stator lamellas 7 of screw rod, screw rod 6 with the stator lamella 7 junction still overlaps and is equipped with the copper sheathing, 7 both sides of stator lamella still are provided with limiting plate 2, limiting plate 2 stretches out the arc surface of stator lamella 7 forms effective contact with support sleeper 3, prevents that stator lamella 7 and fixing device from producing great radial displacement when the transportation, limiting plate 2 pass through bolt 10 with 7 fixed connection of stator lamella.

A method for using a fixing device when the cambered surface of a product faces downwards comprises the following steps: step A: fixedly connecting at least 2 support sleepers 3 with a bottom plate 4 through bolts 10; and B: hoisting the stator flap 7 to the support sleeper 3 by using a hoisting device, and enabling the arc surface of the stator flap 7 to be abutted against the arc surface on the upper side of the support sleeper 3; and C: the stator petals 7 and the vertical plate 1 are fixedly connected through the screw 6 and the nuts 8, when the screw 6 is installed, the middle 2 nuts 8 are installed, the 2 nuts 8 are respectively rotated to the surfaces of the stator petals 7 and the vertical plate 1, and then the outer 2 nuts 8 are installed for fixing; step D: and limiting plates 2 are arranged on two sides of the stator valve 7 and fixedly connected by bolts 10.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a fixing device when product cambered surface is downward, includes bottom plate (4), its characterized in that: the stator vane structure is characterized by further comprising a supporting sleeper (3) and a vertical plate (1), wherein the supporting sleeper (3) is fixedly connected onto the bottom plate (4), the upper side face of the supporting sleeper (3) is a concave arc face and is matched with the arc face of the stator vane (7), the vertical plate (1) is fixedly connected onto the bottom plate (4), and the vertical plate (1) is detachably and fixedly connected with the stator vane (7).

2. The device of claim 1, wherein the device comprises: support sleeper (3) with bottom plate (4) are fixed through bolt (10), bolt (10) quantity is no less than 2, be provided with platform (12) that sink in the middle of support sleeper (3), be provided with mounting hole (13) on platform (12) that sink, mounting hole (13) are used for the installation bolt (10).

3. The device for fixing the arc surface of the product downward as claimed in claim 2, wherein: the vertical plate (1) is connected with the stator lobes (7) through a screw (6), the screw (6) is fixed with the vertical plate (1) through 2 nuts (8), the screw (6) is fixed with the stator lobes (7) through 2 nuts (8), and copper sleeves are further sleeved at the joints of the screw (6) and the stator lobes (7).

4. The device of claim 3, wherein the device comprises: and a protective pad is arranged on the surface of the support sleeper (3).

5. The device for fixing the arc surface of the product downward as claimed in claim 4, wherein: the upper side of the vertical plate (1) is provided with a connecting hole (11).

6. The device for fixing the arc surface of the product downward as claimed in claim 5, wherein: limiting plates (2) are further arranged on two sides of the stator petal (7), and the limiting plates (2) extend out of the arc surface of the stator petal (7).

7. The device for fixing the arc surface of the product downward as claimed in claim 6, wherein: and the bottom of the vertical plate (1) is also provided with a reinforcing rib (9).

8. The device of claim 7, wherein the device is adapted to hold a product in a downwardly facing position: a plurality of heightening supporting pieces (5) are further welded on the lower side of the bottom plate (4), the heightening supporting pieces (5) and the supporting sleepers (3) are vertically placed, and the height of each heightening supporting piece (5) is not less than 50mm.

9. A method of using the fixture of claim 8, wherein: the method comprises the following steps:

step A: fixedly connecting at least 2 supporting sleepers (3) with a bottom plate (4) through bolts (10);

and B: hoisting the stator flap (7) to the support sleeper (3) through a hoisting device to enable the arc surface of the stator flap (7) to be abutted against the arc surface of the upper side of the support sleeper (3);

step C: the stator flap (7) and the vertical plate (1) are fixedly connected through a screw rod (6) and a nut (8);

step D: and limiting plates (2) are arranged on two sides of the stator lobe (7) and fixedly connected through bolts (10).

10. The method of using a fixture according to claim 9, wherein: and C, when the screw (6) is installed in the step C, 2 nuts (8) in the middle are installed firstly, the 2 nuts (8) are rotated to the surfaces of the stator vane (7) and the vertical plate (1) respectively, and then the 2 nuts (8) on the outer side are installed for fixing.