CN209919807U - Tool for mounting coupling bolt of hydroelectric generating set - Google Patents

Tool for mounting coupling bolt of hydroelectric generating set Download PDF

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Publication number
CN209919807U
CN209919807U CN201920419640.4U CN201920419640U CN209919807U CN 209919807 U CN209919807 U CN 209919807U CN 201920419640 U CN201920419640 U CN 201920419640U CN 209919807 U CN209919807 U CN 209919807U
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China
Prior art keywords
coupling bolt
horizontal
tool
bottom plate
plate
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CN201920419640.4U
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Chinese (zh)
Inventor
杨冬
岳建锋
蔡朝东
叶超
陈明
赵海峰
冷天先
王继锋
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Huaneng Lancang River Hydropower Co Ltd
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Huaneng Lancang River Hydropower Co Ltd
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Priority to CN201920419640.4U priority Critical patent/CN209919807U/en
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Abstract

The utility model provides a frock is used in hydroelectric set coupling bolt installation, including the horizontal bottom plate of driving the wheel that moves, its characterized in that horizontal bottom plate is connected with lift layer board and horizontal roof through the guide post to set up on horizontal roof and take open coupling bolt draw-in groove. The utility model has the advantages of can conveniently arrange the coupling bolt in on the frock and remove the mounted position after, lift, the installation of coupling bolt is accomplished through the rising of middle lifter plate, perhaps descend the coupling bolt that will demolish shifts out, can effectively prevent that the coupling bolt from empting simultaneously, guarantee construction safety, and can be stable, fast, accurately send the coupling bolt into the bolt hole that hydraulic turbine shaft flange face corresponds, the installation of high-efficient coupling bolt of accomplishing, it is light to remove, the location is accurate, time saving and labor saving, safe and reliable.

Description

Tool for mounting coupling bolt of hydroelectric generating set
Technical Field
The utility model relates to a frock is used in the installation, especially a frock of hydroelectric set coupling bolt installation usefulness belongs to hydroelectric set and overhauls apparatus technical field.
Background
In the case of overhaul of the hydroelectric generating set, it is necessary to disassemble and assemble the coupling bolts for connecting the runner and the shaft of the water turbine, and such coupling bolts are usually bolts having a diameter of M125mm or more, a length of 800mm or more, and a weight of 68 Kg or more, and are large in number as shown in fig. 1. The prior art is manually lifted and supported and then finished by means of the conventional tools, particularly, during installation, two to three persons are required to lift and the other person is required to operate, so that the working efficiency is low, the labor intensity is high, and the operation causes injury to people and objects due to the toppling of bolts, so that serious potential safety hazards exist. Therefore, there is a need for improvements in the prior art.
Disclosure of Invention
The utility model aims at providing a labour saving and time saving, work efficiency is high, and safe and reliable's frock is used in hydroelectric set coupling bolt installation.
The utility model discloses a following technical scheme accomplishes: the utility model provides a frock is used in hydroelectric set shaft coupling bolt installation, including the horizontal bottom plate of band shift driving wheel, its characterized in that horizontal bottom plate is connected with lift layer board and horizontal roof through the guide post, and set up the open shaft coupling bolt draw-in groove of band on horizontal roof, so that take open draw-in groove with the shaft coupling bolt draw-in groove and make its lower extreme arrange the lift layer board in through this, thereby make the shaft coupling bolt along with the lift layer board rise accomplish lifting of shaft coupling bolt, the installation, or shift out along with the shaft coupling bolt that the decline of lift layer board will be demolishd, effectively prevent simultaneously that the shaft coupling bolt in the draw-in groove from keeping upright state and can not topple over.
The lifting supporting plate comprises a horizontal supporting plate, a screw sleeve is fixed on the horizontal supporting plate and is in threaded connection with a vertical screw rod, the upper end of the vertical screw rod is fixed on a through hole corresponding to the horizontal top plate through an upper bearing and a bearing seat, the lower end of the vertical screw rod is fixed on a through hole corresponding to the horizontal bottom plate through a lower bearing, a bevel gear is arranged on the upper portion of the vertical screw rod and is meshed with a second bevel gear arranged at the inner end of the horizontal rod, a hand wheel is arranged at the outer end of the horizontal rod, the horizontal rod is fixed on the horizontal top plate through a third bearing and a bearing seat, and the hand wheel is rotated to drive the horizontal rod, the second bevel gear, the bevel gear and the vertical screw rod to rotate, so that the.
The lifting supporting plate is provided with a supporting piece with a groove, and the size of the groove is larger than that of a nut at the lower end of the coupling bolt, so that the coupling bolt is stably supported and cannot be displaced.
The guide posts are arranged in a plurality of numbers, are uniformly or symmetrically distributed among the horizontal bottom plate, the lifting support plate and the horizontal top plate, the upper end and the lower end of each guide post are respectively fixed on the horizontal top plate and the horizontal bottom plate through shaft sleeves, the lifting support plate is sleeved on the corresponding guide posts through corresponding sliding sleeves in a sliding manner, the horizontal top plate, the horizontal bottom plate and the lifting support plate are fixed into a whole through the guide posts, and meanwhile, the lifting support plate can rise or fall along the balance of the guide posts.
The horizontal top plate is symmetrically provided with positioning holes, and positioning screws are arranged in the positioning holes, so that the tool can be accurately positioned below the flange surface of the main shaft of the water turbine during installation, and the coupling bolts on the tool can be accurately conveyed into the corresponding bolt holes.
The horizontal bottom plate is symmetrically provided with fixing holes, and fixing screws are arranged in the fixing holes so as to be screwed off, fix the whole tool, prevent the whole tool from moving, and adjust the levelness of the tool.
The horizontal bottom plate is provided with a cart handle, so that the tool is convenient to move.
The utility model has the advantages of it is following and effect: adopt above-mentioned scheme, can conveniently arrange the coupling bolt in on the frock and remove the mounted position after, the lifting of coupling bolt is accomplished through the rising of middle lifter plate, the installation, perhaps descend and shift out the coupling bolt who demolishs, can effectively prevent that the coupling bolt from empting simultaneously, guarantee construction safety, and can be stable, fast, accurately send the coupling bolt into the bolt hole that hydraulic turbine shaft flange face corresponds, the installation of coupling bolt is accomplished to the high efficiency, it is light to have the removal, the location is accurate, time saving and labor saving, advantages such as safe and reliable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a top plan view of the horizontal top plate of FIG. 1;
fig. 4 is a schematic diagram of the connection between the main shaft of the water turbine and the runner through a coupling bolt.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The utility model provides a frock for mounting shaft coupling bolt of hydroelectric generating set, which comprises a horizontal bottom plate 1 with a movable wheel, wherein the horizontal bottom plate 1 is connected with a lifting supporting plate 2 and a horizontal top plate 4 through four guide posts 3, and a shaft coupling bolt clamping groove 41 with an opening is arranged on the horizontal top plate 4; the lifting support plate 2 comprises a horizontal support plate, a threaded sleeve 21 is fixed on the horizontal support plate, the threaded sleeve 21 is in threaded connection with a vertical screw rod 22, the upper end of the vertical screw rod 22 is fixed on a through hole corresponding to the horizontal top plate 4 through an upper bearing and a bearing seat 26, the lower end of the vertical screw rod 22 is fixed on a through hole corresponding to the horizontal bottom plate 1 through a lower bearing 261, a bevel gear 23 is arranged at the upper part of the vertical screw rod 22, the bevel gear 23 is meshed with a second bevel gear 24 arranged at the inner end of the horizontal rod 25, a hand wheel 29 is arranged at the outer end of the horizontal rod 25, the horizontal rod 25 is fixed on the horizontal top plate 4 through a third bearing 27 and a bearing seat 28, so that after the hand wheel 29 is rotated to drive the horizontal rod 25, the second bevel gear 24, the bevel gear 23 and the vertical screw rod 22 to rotate, the threaded; the lifting supporting plate 2 is provided with a supporting piece 5 with a groove 51, and the size of the groove 51 is larger than that of a nut at the lower end of the coupling bolt 6, so that the coupling bolt 6 is stably supported and cannot be displaced; the four guide posts 3 are symmetrically distributed at four corners of the horizontal bottom plate 1, the lifting support plate 2 and the horizontal top plate 4, the upper end and the lower end of each guide post 3 are respectively fixed on the horizontal top plate 4 and the horizontal bottom plate 1 through upper and lower shaft sleeves 31 and 32, the lifting support plate 2 is slidably sleeved on the corresponding guide post 3 through a corresponding sliding sleeve 52, the horizontal top plate 4, the horizontal bottom plate 1 and the lifting support plate 2 are fixed into a whole through the guide posts 3, and meanwhile, the lifting support plate 2 can stably ascend or descend along the guide posts 3; positioning holes are symmetrically formed in the horizontal top plate 4, and positioning bolts 42 and nuts are arranged in the positioning holes, so that the tool can be accurately positioned below the flange surface of the main shaft of the water turbine during installation, and the coupling bolts 6 on the tool can be accurately conveyed into corresponding bolt holes; fixing holes are symmetrically formed in the horizontal bottom plate 1, and fixing screws 12 are arranged in the fixing holes so that the fixing screws 12 can be screwed off to fix the whole tool, prevent the whole tool from moving and adjust the levelness of the tool; the horizontal bottom plate 1 is provided with a cart handle 11, so that the tool is convenient to move.
The utility model provides a visual installation demand of frock sets up a plurality of draw-in grooves 41 that can put a plurality of shaft coupling bolts 6 and a plurality of support 5 of taking recess 51.
When the tool is used, the coupling bolt 6 to be installed is placed on the lifting support plate 2 of the tool, the upper part of the coupling bolt 6 is clamped into the clamping groove 41 corresponding to the horizontal top plate 4, the tool is pushed to the position below the flange surface of the main shaft 7 of the water turbine by the cart handle 11, the tool is accurately positioned at the position, corresponding to the position, where the coupling bolt 6 needs to be installed, of the flange surface of the main shaft of the water turbine by the positioning bolt 42 and the nut, the whole tool is fixed by the fixing screw 12 to prevent the whole tool from moving, the levelness of the tool is adjusted, then the hand wheel 29 is rotated to drive the horizontal rod 25, the second bevel gear 24, the bevel gear 23 and the vertical screw 22 to rotate, the screw sleeve 21 drives the lifting support plate 2 to ascend along the vertical screw 22, the lifting coupling bolt 6 is accurately sent into the bolt hole corresponding to the flange surface of the main shaft of the water turbine and is limited by the clamping groove 41, the coupling bolt 6, and (4) withdrawing the tool through the clamping groove 41, moving the station away, and connecting the rotating wheels according to the conventional method.

Claims (6)

1. A tool for mounting a coupling bolt of a hydroelectric generating set comprises a horizontal bottom plate with a movable wheel, and is characterized in that the horizontal bottom plate is connected with a lifting supporting plate and a horizontal top plate through a guide post, and the horizontal top plate is provided with a coupling bolt clamping groove with an opening;
the lifting supporting plate comprises a horizontal supporting plate, a threaded sleeve is fixed on the horizontal supporting plate and is in threaded connection with a vertical screw rod, the upper end of the vertical screw rod is fixed on a through hole corresponding to the horizontal top plate through an upper bearing and a bearing seat, the lower end of the vertical screw rod is fixed on a through hole corresponding to the horizontal bottom plate through a lower bearing, a bevel gear is arranged on the upper portion of the vertical screw rod and is meshed with a second bevel gear arranged at the inner end of the horizontal rod, a hand wheel is arranged at the outer end of the horizontal rod, and the horizontal rod is fixed on the horizontal top plate through a third bearing and a.
2. The tool for mounting the shaft coupling bolt of the water turbine generator set according to claim 1, wherein the lifting support plate is provided with a support piece with a groove, and the size of the groove is larger than that of a nut at the lower end of the shaft coupling bolt.
3. The tool for mounting the shaft coupling bolt of the water turbine generator set according to claim 1, wherein the guide posts are uniformly or symmetrically distributed among the horizontal bottom plate, the lifting support plate and the horizontal top plate, the upper end and the lower end of each guide post are respectively fixed on the horizontal top plate and the horizontal bottom plate through shaft sleeves, and the lifting support plate is slidably sleeved on the corresponding guide post through a corresponding sliding sleeve.
4. The tool for mounting the shaft coupling bolt of the water turbine generator set according to claim 1, wherein the horizontal top plate is symmetrically provided with positioning holes, and positioning screws are arranged in the positioning holes.
5. The tool for mounting the shaft coupling bolt of the water turbine generator set according to claim 1, wherein fixing holes are symmetrically formed in the horizontal bottom plate, and fixing screws are arranged in the fixing holes.
6. The tool for mounting the shaft coupling bolt of the water turbine generator set according to claim 1, wherein a cart handle is arranged on the horizontal bottom plate.
CN201920419640.4U 2019-03-29 2019-03-29 Tool for mounting coupling bolt of hydroelectric generating set Active CN209919807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920419640.4U CN209919807U (en) 2019-03-29 2019-03-29 Tool for mounting coupling bolt of hydroelectric generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920419640.4U CN209919807U (en) 2019-03-29 2019-03-29 Tool for mounting coupling bolt of hydroelectric generating set

Publications (1)

Publication Number Publication Date
CN209919807U true CN209919807U (en) 2020-01-10

Family

ID=69071894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920419640.4U Active CN209919807U (en) 2019-03-29 2019-03-29 Tool for mounting coupling bolt of hydroelectric generating set

Country Status (1)

Country Link
CN (1) CN209919807U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111702449A (en) * 2020-06-30 2020-09-25 安徽科技学院 Flexible integrated disassembly equipment for scraped car generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111702449A (en) * 2020-06-30 2020-09-25 安徽科技学院 Flexible integrated disassembly equipment for scraped car generator

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