CN214616851U

CN214616851U - Hydraulic turbine overhauls framed bent

Info

Publication number: CN214616851U
Application number: CN202120552252.0U
Authority: CN
Inventors: 赵炳伟; 刘俊; 徐大伟
Original assignee: Hulunbuir Honghuaerji Hydropower Co ltd
Current assignee: Hulunbuir Honghuaerji Hydropower Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-05
Anticipated expiration: 2031-03-17

Abstract

The utility model provides a hydraulic turbine overhauls framed bent. The hydraulic turbine overhauls framed bent includes: the maintenance platform comprises a frame, a first ring body and a second ring body, wherein the frame consists of four main beams fixedly connected by using bolts, the first ring body and the second ring body are on the same horizontal plane, and maintenance platforms are installed at the tops of the first ring body and the second ring body; the two ends of the four diagonal draw beams are fixedly arranged on the frame in an inserting mode respectively; the first ring body is fixedly installed at the tops of the four diagonal draw beams through bolts, and the first ring body is formed by inserting a plurality of first structural rings. The utility model provides a hydraulic turbine overhauls framed bent is through setting up the first ring body, the second ring body that peg graft and form to and carry out the oblique straining beam and four stiffening beams of grafting installation, reduced the installation degree of difficulty, also improved the installation effectiveness to a certain extent, practiced thrift for maintenance work and saved the plenty of time.

Description

Hydraulic turbine overhauls framed bent

Technical Field

The utility model relates to an overhaul framed bent technical field especially relates to a hydraulic turbine overhauls framed bent.

Background

For a vertical water turbine generator set, an overhauling bent frame of a rotating wheel is important overhauling equipment for maintaining a water turbine and is generally arranged below a conical pipe section of a draft tube and the rotating wheel. Because the draft tube is large in size, the racket frame is large in size and high in building position, and sufficient rigidity and strength are needed to guarantee the safety of maintainers.

The existing overhauling bent frame components are all connected by bolts and are not suitable for hoisting, the time consumption is long when the structural components are mounted due to various types, and the labor intensity of dismounting is high. Therefore, there is a need to provide a turbine maintenance bent frame to solve the above technical problems.

Disclosure of Invention

The utility model provides a technical problem provide a hydraulic turbine overhauls framed bent.

In order to solve the technical problem, the utility model provides a hydraulic turbine overhauls framed bent, include: the maintenance platform comprises a frame, a first ring body and a second ring body, wherein the frame consists of four main beams fixedly connected by using bolts, the first ring body and the second ring body are on the same horizontal plane, and maintenance platforms are installed at the tops of the first ring body and the second ring body; the two ends of the four diagonal draw beams are fixedly arranged on the frame in an inserting mode respectively; the first ring body is fixedly installed at the tops of the four diagonal draw beams through bolts and is formed by splicing a plurality of first structural rings; the second ring body is fixedly installed at the top of the frame through bolts, and the first ring body is formed by splicing a plurality of second structural rings; the four reinforcing beams are fixedly installed at the top of the frame in an inserting mode, and two ends of the four reinforcing beams are fixedly connected with the second ring body through bolts.

One side fixed mounting of second structure ring has the wheel, the wheel adopts the stereoplasm rubber material, the girder with the diagonal draw beam all adopts the truss structure, the frame first ring body with the second ring body adopts the aluminum alloy material, the one end of first structure ring is equipped with first lug, first slot has been seted up to the other end of first structure ring, first lug with first slot looks adaptation, the one end of second structure ring is equipped with the second lug, the second slot has been seted up to the other end of second structure ring, the second lug with second slot looks adaptation.

A plurality of threaded holes are formed in one side of each of the first structural ring and the second structural ring, the threaded holes are communicated with the first slot and the second slot respectively, and a plurality of lifting lugs are fixedly mounted at the top of the main beam.

Has the advantages that:

(1) two ends of the four inclined pull beams are fixedly arranged on the frame in an inserting mode respectively; the first ring body is formed by splicing a plurality of first structural rings; the first ring body is formed by splicing a plurality of second structural rings; four the stiffening beam uses grafting mode fixed mounting in the top of frame, the utility model discloses a set up first ring body, the second ring body that pegs graft and form to and carry out the oblique draw beam and four stiffening beams of grafting installation, can reuse hoist and mount machinery to assist with artifical location, reduced the installation degree of difficulty, improved the installation effectiveness, practiced thrift for maintenance work and saved the plenty of time, maintenance work extension all can the power plant cause very serious economic loss one day, the utility model discloses the effectual repair time that has shortened.

(2) Through setting up the wheel for can play the anticollision effect when going up and down to overhaul the platform, effectively prevent the impaired even personnel injured problem of platform that often takes place before this.

(3) Through setting up a plurality of lugs for can hoist at the suspension point according to the selective selection of actual conditions, when making hoist and mount specific component, overcome the rotation that gravity caused, be convenient for install.

Drawings

Fig. 1 is a schematic top view of a water turbine maintenance bent frame provided by the present invention;

FIG. 2 is a schematic view of a first structural ring of the turbine service racker of FIG. 1;

fig. 3 is a schematic view of a second structural ring in the turbine service racker of fig. 1.

Reference numbers in the figures: 1. girder, 2, diagonal tension beam, 3, first ring body, 4, second ring body, 5, stiffening beam, 6, wheel, 7, first lug, 8, first slot, 9, second lug, 10, second slot, 31, first structural ring, 41, second structural ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic top view structure diagram of a turbine maintenance bent frame provided by the present invention; FIG. 2 is a schematic view of a first structural ring of the turbine service racker of FIG. 1; fig. 3 is the schematic structural diagram of second structural ring in the hydraulic turbine overhaul bent frame shown in fig. 1. in the embodiment of the utility model, the hydraulic turbine overhaul bent frame includes: the frame comprises four main beams 1 fixedly connected by using bolts, the first ring body and the second ring body are on the same horizontal plane, and the tops of the first ring body and the second ring body are provided with maintenance platforms; the two ends of the four diagonal draw beams 2 are fixedly arranged on the frame in an inserting mode respectively; the first ring body is fixedly installed at the tops of the four diagonal tension beams 2 through bolts, and the first ring body is formed by splicing a plurality of first structural rings 3; the second ring body is fixedly installed at the top of the frame through bolts, and the first ring body is formed by splicing a plurality of second structural rings 4; the four reinforcing beams 5 are fixedly installed at the top of the frame in an inserting mode, and two ends of each reinforcing beam 5 are fixedly connected with the second ring body through bolts.

Through setting up first ring body 3, the second ring body 4 that forms of pegging graft to and carry out oblique draw beam 2 and four stiffening beams 5 of pegging graft installation, reduced the installation degree of difficulty, also improved the installation effectiveness to a certain extent, practiced thrift the plenty of time of having saved for maintenance work.

One side fixed mounting of second structure ring 4 has wheel 6, wheel 6 adopts the stereoplasm rubber material.

Through setting up wheel 6 for can play the crashproof effect when going up and down to overhaul the platform, prevent that the platform is impaired even personnel are injured.

The main beam 1 and the inclined tension beam 2 both adopt truss structures.

Through setting up girder 1 and the oblique straining beam 2 of truss structure, strengthened the structural strength of girder 1 and oblique straining beam 2, the bearing capacity of reinforcing maintenance framed bent.

The frame, the first ring body and the second ring body are made of aluminum alloy materials.

Through the frame, the first ring body 3 and the second ring body 4 that set up aluminum alloy material, can alleviate the whole weight of overhauing the framed bent, can increase the payload of framed bent.

One end of the first structure ring 31 is provided with a first bump 7, the other end of the first structure ring 31 is provided with a first slot 8, the first bump 7 is matched with the first slot 8, one end of the second structure ring 41 is provided with a second bump 9, the other end of the second structure ring 4 is provided with a second slot 10, and the second bump 9 is matched with the second slot 10.

Through setting up the first ring body 3 and the second ring body 4 that the structure is similar but the size is inconsistent, the first lug 7 and the first slot 8 of looks adaptation, second lug 9 and second slot 10 promptly for the installation is dismantled more portably fast, can prevent simultaneously to peg graft the mistake.

A plurality of threaded holes are formed in one side of each of the first structural ring 3 and the second structural ring 4, and the plurality of threaded holes are communicated with the first slot 8 and the second slot 10 respectively.

Through setting up the screw hole for can install the screw and fix first lug 7 in first slot 8, also can fix the second lug in second slot 10 with the same reason, make first ring body and second ring body structure more stable.

A plurality of lifting lugs are fixedly mounted at the top of the main beam 1.

Through setting up a plurality of lugs for can be according to selective selection of actual conditions hanging point and hoist.

The utility model provides a hydraulic turbine overhauls theory of operation of framed bent as follows:

firstly, when a bent frame needs to be installed, one ends of two main beams 1 are connected by using bolts at an included angle of 90 degrees, two ends of a diagonal draw beam 2 are inserted into the two main beams 1, the bolts on the main beams are locked, the other two main beams and one diagonal draw beam 2 are assembled in the same way, two assembled parts are mutually close, the remaining two diagonal draw beams 2 are respectively inserted into corresponding positions, and finally, the frame is assembled and fixed by using the bolts;

inserting the first bump 7 of the first structural ring 3 into the other first slot 8, sequentially inserting all the first structural rings 3, inserting the first structural rings into the threaded holes by using screws and screwing the first structural rings tightly, assembling the second structural rings after the first structural rings are assembled, hoisting the first structural rings to the top of the diagonal beam 2, and fixing the first structural rings by using bolts;

inserting the stiffening beam 5 on the main beam 1, then hoisting the second ring body to the top of the main beam, and fixing two ends of the stiffening beam 5 with the second ring body by using bolts;

splicing and installing the prepared maintenance platform on the top of the maintenance bent frame, and then selecting a plurality of lifting lugs by using lifting equipment to lift the whole maintenance platform to a maintenance elevation for maintenance;

in the process of lifting the maintenance platform, due to the fact that personnel shake and the like and the reason, the wheels are in contact with the wall of the surrounding pipeline, buffering collision is achieved, and damage to the bent frames is prevented.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic turbine overhauls framed bent, its constitution includes: frame, first ring body and second ring body, the frame comprises four girder that use bolt fixed connection, characterized by: the first ring body and the second ring body are on the same horizontal plane, and the tops of the first ring body and the second ring body are provided with maintenance platforms; the two ends of the four diagonal draw beams are fixedly arranged on the frame in an inserting mode respectively; the first ring body is fixedly installed at the tops of the four diagonal draw beams through bolts and is formed by splicing a plurality of first structural rings; the second ring body is fixedly installed at the top of the frame through bolts, and the first ring body is formed by splicing a plurality of second structural rings; the four reinforcing beams are fixedly installed at the top of the frame in an inserting mode, and two ends of the four reinforcing beams are fixedly connected with the second ring body through bolts.

2. The water turbine maintenance bent frame according to claim 1, wherein wheels are fixedly mounted on one side of the second structural ring, the main beam and the diagonal tension beam are of a truss structure, the frame, the first ring body and the second ring body are made of aluminum alloy, a first protruding block is arranged at one end of the first structural ring, a first slot is formed in the other end of the first structural ring, the first protruding block is matched with the first slot, a second protruding block is arranged at one end of the second structural ring, a second slot is formed in the other end of the second structural ring, and the second protruding block is matched with the second slot.

3. The turbine maintenance bent frame according to claim 2, wherein a plurality of threaded holes are formed in one side of each of the first structural ring and the second structural ring, the threaded holes are respectively communicated with the first slot and the second slot, and a plurality of lifting lugs are fixedly mounted at the top of the main beam.