CN218853731U

CN218853731U - Welding device for supporting rib of runner blade of water turbine

Info

Publication number: CN218853731U
Application number: CN202222463025.8U
Authority: CN
Inventors: 杨怀荣; 赵晓嘉; 皮跃银; 龚登位; 陈团军; 吴封奎; 陈恒江; 刘进涛
Original assignee: Huaneng Lancang River Hydropower Co Ltd
Current assignee: Huaneng Lancang River Hydropower Co Ltd
Priority date: 2022-09-18
Filing date: 2022-09-18
Publication date: 2023-04-14
Anticipated expiration: 2032-09-18

Abstract

The utility model provides a hydraulic turbine runner blade props muscle welding set, including electric welding organism, one end with electric welding organism link to each other, the cable that the other end links to each other with the electric welding handle, its characterized in that electric welding handle goes up the cover and is equipped with the ring canal of establishing a plurality of dust absorption heads on it, the ring canal is linked together through connecting pipe and filter, the filter is located on the adjustable fixed knot who electrically welds on the organism constructs. The smoke and dust that produces when welding the electric welding handle through the dust absorption head inhales the back and filters in inhaling the filter through the connecting pipe, when the filter need be changed, when wasing, only need just can pull down it through adjustable fixed knot structure to adjustable fixed establishment can adjust according to the filter of different models and size, thereby makes the electric welding function install multiple filter and improves the filter effect, eliminates the pollution that flue gas and dust brought, and the guarantee welder is healthy, provides welding work efficiency.

Description

Welding device for supporting rib of runner blade of water turbine

Technical Field

The utility model relates to a welding set, especially a hydraulic turbine runner blade props muscle welding set belongs to electric welding equipment manufacturing and designing technical field.

Background

The hydraulic turbine is a kind of power conversion equipment which converts water energy into mechanical energy, and belongs to the turbine machinery in fluid machinery. Most of the existing water turbines are installed in a hydropower station, and water in an upstream reservoir is guided to the water turbines through water guide pipes so as to push the water turbines to rotate and further drive generators to generate electricity. After the water turbine runs for a set time, in order to ensure that the water turbine can continue to run normally, the following modifications are required to be carried out on the rotating wheel of the water turbine which stops running on site: and welding a brace rib at the position of the blade, which is about 150mm away from the end line of the water outlet edge. When the existing welding machine is used, a large amount of smoke and dust can be generated, the smoke and the dust can diffuse in a narrow water turbine runner installation space, and are difficult to be quickly dispersed, so that not only is air polluted, but also the health of welding personnel is influenced, and the welding work efficiency is also influenced. There is therefore a need for improvements in the prior art.

Disclosure of Invention

Can produce a large amount of flue gases and dust when the welding for solving current electric welding, cause air pollution, influence the healthy problem of welding personnel, the utility model provides a hydraulic turbine runner blade props muscle welding set.

The utility model discloses a following technical scheme accomplishes: the utility model provides a hydraulic turbine runner blade props muscle welding set, including electric welding organism, one end links to each other with electric welding organism, the other end links to each other with the cable of electric welding handle, the cover is equipped with the ring canal of establishing a plurality of dust absorption heads on it on its characterized in that electric welding handle, the ring canal is linked together with the filter through the connecting pipe, the filter is located on the adjustable fixed knot who electric welding organism constructs, so that inhale the back through the connecting pipe with the smoke and dust that the electric welding handle produced when welding and filter in sucking the filter through the dust absorption head, need change when the filter, when wasing, only need just can pull down it through adjustable fixed knot structure, and adjustable fixed knot constructs and can adjust according to the filter of different models and size, thereby make electric welding function installation multiple filter improve the filter effect.

The ring pipe is set to be the ring pipe of the interior zone cavity that the internal diameter and 3 external diameters of electric welding handle suited, and a plurality of dust absorption heads set up a week along the ring pipe interval, and every dust absorption head is set to the L shape nozzle stub that the front end is uncovered, the rear end is linked together with the ring pipe cavity, and the mouth of pipe of this L shape nozzle stub is opened and is located the electric welding handle front end to improve dust absorption, the smoking effect that produces when welding through a plurality of dust absorption heads.

The connecting pipe is a hose, one end of the connecting pipe is communicated with the ring pipe 8, the other end of the connecting pipe is communicated with a fan inlet arranged on the filter, a fan outlet is communicated with a filter inlet, a filter outlet is open, and the connecting pipe is fixed on a cable through a plurality of binding belts so as to be connected with the ring pipe and the filter through the connecting pipe.

The filter is a conventional product which is commercially available, and is set to be various types according to requirements, so that the corresponding filter can be selected according to requirements.

The adjustable fixing mechanism comprises a horizontal rectangular plate fixed on the outer side wall of an electric welding machine body, a sliding groove is formed in the top of the horizontal rectangular plate, two translation sliding blocks are arranged in the sliding groove, horizontal screw holes are formed in the two translation sliding blocks and are in threaded connection with horizontal screw rods arranged in the sliding groove, the inner ends of the horizontal screw rods are in matched connection with bearings with seats arranged in the sliding groove, the outer ends of the horizontal screw rods penetrate through the sliding groove and are connected with a main shaft of a power machine arranged on the outer side of the horizontal rectangular plate, the spiral directions of threads at two ends of the horizontal screw rods are opposite, the two translation sliding blocks are in threaded connection with the threads at corresponding ends respectively, the tops of the two translation sliding blocks are connected with vertical clamping plates arranged above the horizontal rectangular plate, so that the two translation sliding blocks are driven by the horizontal screw rods with the threads at two ends in opposite spiral directions, the vertical clamping plates are folded in opposite directions to clamp the filter shell, or are separated from each other to loosen the clamping of the filter shell, and meet the requirements of fixing and loosening of the filter shells with different specifications.

The utility model has the advantages of the following and the effect: adopt above-mentioned scheme, can conveniently inhale the back through the connecting pipe through the dust absorption head with the smoke and dust that the electric welding handle produced when welding and filter in inhaling the filter, when the filter need be changed, when wasing, only need just can pull down it through adjustable fixed knot structure to adjustable fixed establishment can adjust according to the filter of different models and size, thereby make the electric welding machine can install multiple filter and improve the filter effect, eliminate the pollution that flue gas and dust brought, ensure that the welder is healthy, provide the welding work efficiency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a partial block diagram of FIG. 1;

fig. 4 is an adjustable fixing mechanism diagram of fig. 1.

Detailed Description

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

The utility model provides a hydraulic turbine runner blade props muscle welding set, including electric welding organism 1, one end links to each other with electric welding organism 1, the cable 2 that the other end links to each other with electric welding handle 3, electric welding handle 3 is gone up the cover and is equipped with ring canal 8 that sets up a plurality of dust absorption heads 9 on it, ring canal 8 is linked together with filter 4 through connecting pipe 6, filter 4 is located on the adjustable fixed knot who welds organism 1 and constructs, so that inhale the back through connecting pipe 6 and filter in filter 4 through dust absorption head 9 smoke and dust that produces when welding electric welding handle 3, when filter 4 needs to be changed, when wasing, only need to pull down it through adjustable fixed knot structure, and adjustable fixed knot constructs and can adjust according to filter 4 of different models and size, thereby make electric welding machine can install multiple filter and improve the filter effect;

the ring pipe 8 is a ring pipe with an inner diameter matched with the outer diameter of the electric welding handle 3 and an inner cavity, the plurality of dust collection heads 9 are arranged at intervals along the ring pipe 8, each dust collection head 9 is an L-shaped short pipe with an opening at the front end and a communicated cavity at the rear end with the ring pipe 8, and the pipe orifice of the L-shaped short pipe is opened and positioned at the front end of the electric welding handle 3 so as to improve the dust collection and smoking effects during welding through the plurality of dust collection heads 9;

the connecting pipe 6 is a hose, one end of the connecting pipe is communicated with the ring pipe 8, the other end of the connecting pipe is communicated with the inlet of the fan 5 arranged on the filter 4, the outlet of the fan 5 is communicated with the inlet of the filter 4, the outlet of the filter 4 is open, the connecting pipe 6 is fixed on the cable 2 through a plurality of binding belts 7 so as to be connected with the ring pipe 8 and the filter 4 through the connecting pipe 6;

the filter 4 is a conventional product which is commercially available, and is set to be various types according to needs so as to select a corresponding filter according to needs;

the adjustable fixing mechanism comprises a horizontal rectangular plate 10 fixed on the outer side wall of an electric welding machine body 1, the top of the horizontal rectangular plate 10 is provided with a sliding groove 12, two translation sliding blocks 13 are arranged in the sliding groove 12, horizontal screw holes are formed in the two translation sliding blocks 13 and are in threaded connection with a horizontal screw 14 arranged in the sliding groove 12, the inner end of the horizontal screw 14 is in matched connection with a bearing with a seat arranged in the sliding groove 12, the outer end of the horizontal screw passes through the sliding groove 12 to be connected with a main shaft of a power machine 15 arranged on the outer side of the horizontal rectangular plate 10, the spiral directions of threads at two ends of the horizontal screw 14 are opposite, the two translation sliding blocks 13 are in threaded connection with the threads at the corresponding ends respectively, the top of the two translation sliding blocks 13 is connected with a vertical clamping plate 11 arranged above the horizontal rectangular plate 10, so that the two translation sliding blocks 13 and the vertical clamping plate 11 with opposite spiral directions are driven by the horizontal screw 14 with opposite threads at the two ends to fold the shell of the vertical clamping plate 11 to clamp the shell of the filter 4, or separate the filter 4 in a reverse direction to loosen the clamping of the shell, and meet the shell of the filter 4 with requirements of different specifications for fixing and loosening the shell.

Claims

1. The utility model provides a hydraulic turbine runner blade props muscle welding set, includes the electric welding organism, one end with electric weld the cable that the organism links to each other, the other end links to each other with the electric welding handle, its characterized in that electric welding handle goes up the cover and is equipped with the ring canal that establishes a plurality of dust absorption heads on it, the ring canal is linked together through connecting pipe and filter, the filter is located on the adjustable fixed knot who welds on the organism constructs.

2. The welding device for the supporting rib of the runner blade of the water turbine as claimed in claim 1, wherein the circular pipe is a circular pipe with a cavity inside and an inner diameter corresponding to the outer diameter of the electric welding handle 3, a plurality of dust suction heads are arranged at intervals along the circular pipe for a circle, each dust suction head is an L-shaped short pipe with an opening at the front end and a communication at the rear end with the cavity of the circular pipe, and the opening of the L-shaped short pipe is open and is positioned at the front end of the electric welding handle.

3. The apparatus for welding the supporting rib of the runner blade of the water turbine as claimed in claim 1, wherein the connection pipe is a flexible pipe, one end of which is connected to the circular pipe 8, the other end of which is connected to the inlet of the fan installed on the filter, the outlet of the fan is connected to the inlet of the filter, the outlet of the filter is open, and the connection pipe is fixed to the cable by a plurality of binding bands.

4. The apparatus according to claim 1, wherein the adjustable fixing mechanism comprises a horizontal rectangular plate fixed on the outer sidewall of the electric welding machine, the top of the horizontal rectangular plate is provided with a sliding slot, two translational sliding blocks are arranged in the sliding slot, the two translational sliding blocks are provided with horizontal screw holes, the horizontal screw holes are in threaded connection with horizontal screws arranged in the sliding slot, the inner end of each horizontal screw is connected with a bearing with a seat arranged in the sliding slot, the outer end of each horizontal screw penetrates through the sliding slot to be connected with a main shaft of the power machine arranged on the outer side of the horizontal rectangular plate, the screw directions of the screw threads at the two ends of the horizontal screw are opposite, the two translational sliding blocks are in threaded connection with the screw threads at the corresponding ends, and the tops of the two translational sliding blocks are connected with a vertical clamping plate arranged above the horizontal rectangular plate.