CN111483571A

CN111483571A - Bracket

Info

Publication number: CN111483571A
Application number: CN202010301452.9A
Authority: CN
Inventors: 张理燕; 蔡莼; 沈锋; 张文杰; 肖文军; 张容; 张海甬; 宋金扬; 杨喜昌
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-08-04

Abstract

The invention discloses a bracket which comprises a base and a plurality of vertically arranged jig frames, wherein the jig frames are connected through the base, the jig frames are arranged at intervals along the length direction of the base, accommodating grooves are formed in the jig frames, and the accommodating grooves are recessed downwards from the upper edges of the jig frames. When the propeller is installed, the propeller is placed on the bracket, and the bottom surface of the propeller is clamped into the containing groove, so that the propeller stably keeps the upright state of the energy-saving ring and the horizontal state of the middle shaft, and the safety requirement of construction can be favorably met; in addition, the bracket has simple structure, high strength and easy processing.

Description

Bracket

Technical Field

The invention relates to the field of ship construction, in particular to a bracket.

Background

The ship propeller is an energy converter in a ship propulsion device. The power generated by the engine is converted into the thrust of the ship to overcome the resistance of the ship in water and push the ship to move.

The propeller of the FPSO vessel generally comprises blades, an energy-saving ring surrounding the blades and a central axis perpendicular to the energy-saving ring. The propeller is generally in a state that a middle shaft is erected and the energy-saving ring lands, and during installation, the energy-saving ring is required to be in the erected state and the middle shaft is in the horizontal state. However, the thruster can not be stably placed on the horizontal ground when the energy-saving ring is in the vertical state, and the hydraulic trolley for mounting the rudder blade does not have a proper bracket due to the heavy weight and the complex structure of the thruster, so that the safety requirement of construction can not be met, and the ship building efficiency is reduced.

Disclosure of Invention

The invention aims to solve the technical problem that a ship propeller in the prior art cannot meet the safety requirement of construction because a proper bracket is not arranged during installation, and provides a bracket.

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

the utility model provides a bracket, its characterized in that, the bracket includes base and a plurality of vertical bed-jig of placing, the bed-jig passes through the base is connected, just the bed-jig is followed the length direction interval of base sets up, the bed-jig is provided with the storage tank, the storage tank certainly the last reason undercut of bed-jig.

In the scheme, when the propeller is installed, the propeller is placed on the bracket, and the bottom surface of the propeller is clamped into the accommodating groove, so that the propeller stably keeps the upright state of the energy-saving ring and the horizontal state of the center shaft, and the construction safety requirement is favorably met; in addition, the bracket has simple structure, high strength and easy processing.

Preferably, the base comprises a plurality of connecting rods, and the connecting rods in different directions are connected in a staggered manner.

In this scheme, because propeller weight is heavier, with the connecting rod staggered connection of a plurality of not equidirectional, be favorable to improving the structural strength of base to improve the structural strength of whole bracket, make the bracket can support the propeller more firmly.

Preferably, the jig frame comprises support rods and support plates, the support plates are connected between part of the support rods, and the upper edges of the support plates are recessed downwards to form the accommodating grooves.

In the scheme, the supporting rod is used for enhancing the structural strength of the jig frame on one hand and connecting the supporting plate to the base on the other hand; form the storage tank in the backup pad, increased the area of contact of propeller and bracket for the propeller can be placed on the bracket comparatively firmly.

Preferably, the accommodating groove is arc-shaped, and the radian of the accommodating groove is the same as the radian of the cross section of the corresponding propeller.

In this scheme, the radian with the storage tank sets up to the radian the same with the cross section of propeller, can make the propeller be used for the outer surface of contact bed-jig to laminate the storage tank completely, avoids the propeller to take place to rock in the installation for the operation environment is safer.

Preferably, the number of the supporting plates is two, the two supporting plates are symmetrically arranged, the two symmetrical supporting plates form the symmetrical accommodating grooves, and two supporting rods are respectively arranged on two sides of each supporting plate.

In this scheme, to the bed-jig that supports energy-conserving ring, the storage tank of two symmetries and the inboard bracing piece of backup pad can support energy-conserving ring jointly to improve the structural strength of bed-jig.

Preferably, the support rods comprise vertical support rods and horizontal support rods, the horizontal support rods are connected between the two vertical support rods, and the support plates are connected to the vertical support rods and the horizontal support rods.

In this scheme, to supporting centraxonial bed-jig, because centraxonial bottom surface is far away from the base, through setting up horizontal bracing piece, the backup pad can only be laid in horizontal bracing piece top to save the backup pad material, simultaneously, through setting up horizontal bracing piece, can strengthen the structural strength of bed-jig.

Preferably, the bracket includes a reinforcing rod, one end of which is connected to the vertical support rod, and the other end of which is connected to the base.

In this scheme, stiffener, base and bracing piece form the triangle-shaped structure, have strengthened the joint strength of bed-jig and base, also make the structure of whole bracket more firm.

Preferably, a plurality of cross beams are connected between two adjacent bed-jig frames.

In this scheme, set up the crossbeam between two adjacent bed-jig for the connection between each bed-jig is more firm, has avoided the bed-jig to take place to rock along base length direction, has improved the stability of whole bracket.

Preferably, the support rod is H-shaped steel.

In this scheme, because H shaped steel all has advantages such as bending resistance is strong, the construction is simple, practice thrift cost and structural weight light in all directions, the bracing piece adopts H shaped steel, can satisfy the strength requirement of bracing piece.

Preferably, the base and the jig frame are connected through welding.

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:

for the bracket, when the propeller is installed, the propeller is placed on the bracket, and the bottom surface of the propeller is clamped into the accommodating groove, so that the propeller stably keeps the upright state of the energy-saving ring and the horizontal state of the center shaft, and the safety requirement of construction can be favorably met; in addition, the bracket has simple structure, high strength and easy processing.

Drawings

Fig. 1 is a schematic structural view of a bracket according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a base according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of a jig frame for supporting the economizer ring according to a preferred embodiment of the present invention.

Fig. 4 is a schematic structural view of a jig frame for supporting a bottom bracket according to a preferred embodiment of the present invention.

Fig. 5 is a schematic structural view of still another jig frame for supporting a bottom bracket according to a preferred embodiment of the present invention.

Description of reference numerals:

bracket 1

Propeller 2

Base 11

Jig frame 12

Cross member 13

Energy-saving ring 21

Middle axle 22

Connecting rod 111

Accommodating groove 121

Support rod 122

Supporting plate 123

Reinforcing bar 124

Vertical support bar 1221

Transverse support bar 1222

Inclined support bar 1223

Detailed Description

The present invention is further illustrated by way of example and not by way of limitation in the scope of the following examples in connection with the accompanying drawings.

In the present embodiment, as shown in fig. 1, the bracket 1 includes a base 11 and a plurality of vertically disposed jig frames 12, the jig frames 12 are connected by the base 11, the jig frames 12 are disposed at intervals along a length direction of the base 11, the jig frames 12 are provided with receiving grooves 121, and the receiving grooves 121 are recessed downward from an upper edge of the jig frames 12.

In the embodiment, when the propeller 2 is installed, the propeller 2 is placed on the bracket 1, and the bottom surface of the propeller 2 is clamped into the accommodating groove 121, so that the propeller 2 stably keeps the state that the energy-saving ring 21 is erected and the middle shaft 22 is horizontal, and the construction safety requirement is favorably met; in addition, the bracket 1 has a simple structure, high strength and easy processing.

As shown in fig. 1, the base 11 includes a plurality of connecting rods 111, and the connecting rods 111 in different directions are connected in a staggered manner. Wherein, because propeller 2 weight is heavier, with the connecting rod 111 staggered connection of a plurality of not equidirectional, be favorable to improving the structural strength of base 11 to improve the structural strength of whole bracket 1, make bracket 1 can support propeller 2 more firmly. Specifically, as shown in fig. 2, the connection rods 111 include first connection rods 111 extending in a length direction of the base 11 and second connection rods 111 perpendicular to the first connection rods 111. The connecting rod 111 is made of H-shaped steel.

As shown in fig. 1, 3, 4, and 5, the jig frame 12 includes support rods 122 and support plates 123, the support plates 123 are connected between some of the support rods 122, and the upper edges of the support plates 123 are recessed downward to form accommodating grooves 121. Wherein, the supporting rod 122 is used for enhancing the structural strength of the jig frame 12 on one hand and connecting the supporting plate 123 to the base 11 on the other hand; the accommodating groove 121 is formed in the supporting plate 123, which increases the contact area between the pusher 2 and the bracket 1, so that the pusher 2 can be stably placed on the bracket 1. The support rod 122 is H-shaped steel. Wherein, because H shaped steel all has advantages such as bending resistance is strong, the construction is simple, practice thrift cost and structural weight light in all directions, adopts H shaped steel, can satisfy the strength requirement of bracing piece 122.

As shown in fig. 3 to 5, the accommodating groove 121 is arc-shaped, and the radian of the accommodating groove 121 is the same as the radian of the cross section of the corresponding propeller 2. Wherein, the radian with storage tank 121 sets up to be the same with the radian of propeller 2's cross section, can make propeller 2 be used for contacting storage tank 121 is laminated completely to the surface of bed-jig 12, avoids propeller 2 to take place to rock in the installation for the operation environment is safer.

As shown in fig. 3, for the jig frame 12 for supporting the economizer ring 21, the number of the support plates 123 is two, the two support plates 123 are symmetrically arranged, the two symmetrical support plates 123 form the symmetrical accommodating grooves 121, and two support rods are respectively arranged on two sides of each support plate 123. The two symmetrical accommodating grooves and the supporting rods on the inner sides of the supporting plates 123 can jointly support the energy-saving rings 21, so that the structural strength of the jig frame 12 is improved.

As shown in fig. 4, for the jig 12 for supporting the middle axle 22, the support rod 122 includes a vertical support rod 1221 and a horizontal support rod 1222, the horizontal support rod 1222 is connected between the two vertical support rods 1221, and the support plate 123 is connected to the vertical support rod 1221 and the horizontal support rod 1222. Because the bottom surface of the middle shaft 22 is far away from the base 11, the supporting plate 123 can be only laid above the transverse supporting rod 1222 by arranging the transverse supporting rod 1222, so that the material of the supporting plate 123 is saved, and meanwhile, the structural strength of the jig frame 12 can be enhanced by arranging the transverse supporting rod 1222.

In this embodiment, it should be noted that, for the tire frame 12 for supporting the middle axle 22, the support rod 122 is not limited to include the vertical support rod 1221 and the horizontal support rod 1222, and different forms of support rods may be adopted for different positions of the middle axle 22, as shown in fig. 5, the support rod 122 includes the inclined support rod 1223 and the horizontal support rod 1222, and the horizontal support rod 1222 is connected between the two inclined support rods 1223.

Specifically, as shown in fig. 1, the number of the jig frames 12 for supporting the economizer ring 21 is two, and the number of the jig frames 12 for supporting the bottom bracket 22 is 4.

As shown in fig. 4 and 5, the bracket 1 includes a reinforcing bar 124, one end of the reinforcing bar 124 is connected to the vertical support bar 1221, and the other end of the reinforcing bar 124 is connected to the base 11. The reinforcing rod 124, the base 11 and the supporting rod 122 form a triangular structure, so that the connection strength between the jig frame 12 and the base 11 is enhanced, and the structure of the whole bracket 1 is more stable.

As shown in fig. 1, a plurality of cross members 13 are connected between two adjacent jig frames 12. Wherein, set up crossbeam 13 between two adjacent bed-jig 12 for the connection between each bed-jig 12 is more firm, has avoided bed-jig 12 to take place to rock along 11 length direction on the base, has improved the stability of whole bracket 1. Specifically, the number of the cross members 13 between two adjacent jig frames 12 is two. Specifically, the cross beam 13 is a channel steel. The base 11 and the jig frame 12 are connected by welding.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention unless otherwise specified herein.

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. The utility model provides a bracket for support propeller, its characterized in that, the bracket includes base and a plurality of vertical bed-jig of placing, the bed-jig passes through the base is connected, just the bed-jig is followed the length direction interval of base sets up, the bed-jig is provided with the storage tank, the storage tank certainly the last reason undercut of bed-jig.

2. The carrier in claim 1, wherein said base includes a plurality of tie bars, said tie bars in different orientations being staggered.

3. The bracket of claim 1, wherein the jig frame comprises support rods and support plates, wherein the support plates are connected between a part of the support rods, and the upper edges of the support plates are recessed downward to form the accommodating grooves.

4. The tray of claim 3, wherein the receiving slot is arcuate and has an arc that is the same as a corresponding arc of a cross-section of the pusher.

5. The bracket according to claim 3, wherein the number of the supporting plates is two, two of the supporting plates are symmetrically arranged, the two symmetrical supporting plates form the symmetrical accommodating grooves, and two supporting rods are respectively arranged on two sides of each supporting plate.

6. The tray of claim 3, wherein the support bars include a vertical support bar and a lateral support bar, the lateral support bar being connected between the two vertical support bars, and the support plate being connected to the vertical support bar and the lateral support bar.

7. A carriage in accordance with claim 6, characterised in that it comprises a reinforcing rod, one end of which is connected to the vertical support rod and the other end of which is connected to the base.

8. A support according to claim 3, wherein the support rods are H-section steel.

9. The carrier frame according to claim 1, wherein a plurality of cross members are connected between adjacent two of said jig frames.

10. A support according to any one of claims 1 to 9, wherein the base is connected to the jig by welding.