CN210167870U

CN210167870U - Novel hydroelectric generating set generator rotor structure

Info

Publication number: CN210167870U
Application number: CN201920709093.3U
Authority: CN
Inventors: 马金璐; 代志娟; 严森
Original assignee: Tianjin Tianfa General Plant Electrical And Mechanical Equipment Co ltd
Current assignee: Tianjin Tianfa General Plant Electrical And Mechanical Equipment Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-20
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a novel hydroelectric set generator rotor structure, which comprises a fixed block, be fixed with the rotor device on the fixed block, be equipped with the fifth through-hole on the fixed block, the both sides of fixed block all are equipped with the fourth through-hole, can dismantle through two first screws on the fixed block and be connected with the carousel, be equipped with the sixth through-hole on the carousel, the both sides of carousel all are equipped with the third through-hole, it is equipped with first pivot to run through jointly between sixth through-hole and the fifth through-hole, the upper end of first pivot is equipped with the recess, be equipped with the mobile device in the recess, be equipped with the briquetting on the mobile device, be equipped with connecting device in the recess. The utility model discloses conveniently install the dismantlement to can effectively guarantee the fastness of connection, thereby can stably rotate, can guarantee the quality and the efficiency of work, can effectively adapt to the antiport, and then can be better protect other equipment, prolong its life.

Description

Novel hydroelectric generating set generator rotor structure

Technical Field

The utility model relates to a rotor structure technical field especially relates to a novel hydroelectric set generator rotor structure.

Background

The water turbine refers to a hydro-generator, and refers to a generator which takes the water turbine as a prime mover to convert water energy into electric energy. When water flows through the water turbine, water energy is converted into mechanical energy, and a rotating shaft of the water turbine drives a rotor of the generator to convert the mechanical energy into electric energy for output. Is the main power equipment for generating electric energy in a hydropower station.

The hydraulic generator is driven by the hydraulic turbine. The generator set has short and thick rotor, short time for starting and grid connection of the generator set and flexible operation and scheduling, and is particularly suitable for being used as a peak shaving generator set and an accident standby generator set besides general power generation. The maximum capacity of the hydroelectric generating set reaches 80 ten thousand kilowatts.

The rotational speed of the hydro-generator will determine the frequency of the alternating current generated and to ensure that this frequency is stable, the rotational speed of the rotor must be stabilized. In order to stabilize the rotating speed, the rotating speed of a prime motor (a water turbine) can be controlled by adopting a closed-loop control mode, namely, a frequency signal of alternating current to be sent is sampled and fed back to a control system for controlling the opening and closing angle of a guide vane of the water turbine to control the output power of the water turbine, and the rotating speed of a generator can be stabilized by adopting a feedback control principle.

In real life, rotor and pivot are the separation, when the installation, in putting the pivot cover into the rotor, connecting through processes such as welding, guarantee the stability of connecting, but if the rotor appears damaging, then need whole the change, cause the waste, do not have protective apparatus moreover, when appearing the reverse rotation, can directly cause equipment to damage, cause the production accident even, for this reason, we have proposed a novel hydroelectric set generator rotor structure and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel hydroelectric generating set generator rotor structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel hydroelectric set generator rotor structure, includes the fixed block, be fixed with the rotor device on the fixed block, be equipped with the fifth through-hole on the fixed block, the both sides of fixed block all are equipped with the fourth through-hole, can dismantle through two first screws on the fixed block and be connected with the carousel, be equipped with the sixth through-hole on the carousel, the both sides of carousel all are equipped with the third through-hole, it is equipped with first pivot to run through jointly between sixth through-hole and the fifth through-hole, the upper end of first pivot is equipped with the recess, be equipped with the mobile device in the recess, be equipped with the briquetting on the mobile device, be equipped with connecting device in the recess, and briquetting and connecting device are corresponding, connecting device and two first screws.

Preferably, the mobile device includes the screw rod of rotation connection bottom in the recess, and the briquetting screw thread cup joints on the screw rod, upper end one side of briquetting is fixed with the carriage release lever, be equipped with the opening on the one end lateral wall in the recess, and the one end of carriage release lever is located the opening.

Preferably, the connecting device comprises cross rods which are slidably sleeved on opposite side walls in the grooves, one ends of the two cross rods correspond to two sides of the lower end of the pressing block respectively, moving grooves are formed in the opposite side walls in the sixth through hole respectively, two third through holes in the two moving grooves correspond to each other, the two cross rods are located in the two moving grooves respectively, second springs are fixed on the side walls of one ends of the two moving grooves, one ends of the two second springs abut against one ends of the two cross rods respectively, second through holes are formed in the cross rods, and the two first screws are located in the two second through holes respectively.

Preferably, the third through hole and the fourth through hole on the same side are in a group, the two first screws are respectively located in the two groups of third through holes and the fourth through hole, nuts are sleeved on the lower ends of the two first screws in a threaded mode, and the two nuts respectively abut against the two sides of the lower end of the fixing block.

Preferably, lower extreme a week of first pivot is equipped with T type spout, install a plurality of T type sliders in the T type spout, the lower extreme of a plurality of T type sliders is fixed with the second pivot jointly, the upper end of second pivot is equipped with the rotation groove, be equipped with protection device in the rotation groove.

Preferably, protection device is including fixing the ratchet of rotating the inslot bottom, the upper end of ratchet is rotated and is connected the lower extreme in first pivot, the lower extreme of first pivot is fixed with first montant, the lower extreme of first montant is rotated and has been cup jointed the push rod, and the one end of push rod is contradicted in one side of ratchet, the lower extreme of first pivot is fixed with the second montant, and the second montant is located one side of push rod, the opposite side of push rod is fixed with first spring, the lower extreme in first pivot is fixed to the one end of first spring.

Preferably, one side of the first rotating shaft is provided with a first through hole, the first through hole corresponds to the notch, a second screw penetrates through the first through hole, the moving rod is provided with a threaded through hole, and one end of the second screw is sleeved in the threaded through hole in a threaded manner.

Preferably, the opposite sides of the two cross bars are arranged in a hemispherical shape.

Preferably, the rotor assembly is welded to the mounting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first screw, the moving device, the connecting device, the second screw and other components are matched, so that the problem that the first screw, the moving device, the connecting device and the second screw are inconvenient to disassemble after installation is solved, the aim of convenient replacement is fulfilled, the stability of connection can be effectively guaranteed, stable rotation can be realized, power generation can be effectively realized, the quality and efficiency of work can be guaranteed, quick overhaul and replacement can be realized, and loss is reduced;

2. through the matching of the ratchet wheel, the push rod, the spring, the second rotating shaft and other components, when reverse rotation occurs, the stability of the second rotating shaft can be ensured, further, the equipment is prevented from being damaged due to the reverse rotation, the safety of the equipment is ensured, and the service life of the equipment is prolonged;

to sum up, the utility model discloses conveniently install the dismantlement to can effectively guarantee the fastness of connection, thereby can stably rotate, can guarantee the quality and the efficiency of work, can effectively adapt to the antiport, and then can be better protect other equipment, prolong its life.

Drawings

Fig. 1 is a sectional view of a novel hydroelectric generator rotor structure of a hydroelectric generating set provided by the present invention;

fig. 2 is a schematic view of an internal structure of a rotating groove of a generator rotor structure of a novel hydroelectric generating set provided by the utility model;

fig. 3 is an enlarged view of a position a of the generator rotor structure of the novel hydroelectric generating set provided by the utility model;

fig. 4 is an enlarged view of a position B of the generator rotor structure of the novel hydroelectric generating set provided by the utility model;

fig. 5 is a schematic structural view of a rotor device of a generator rotor structure of a novel hydroelectric generating set provided by the utility model;

fig. 6 is the utility model provides a novel carousel structural schematic of hydroelectric set generator rotor structure.

In the figure: 1 fixed block, 2 rotor devices, 3 screw rods, 4 grooves, 5 first rotating shafts, 6 nuts, 7 first screws, 8T-shaped sliding blocks, 9 ratchet wheels, 10 second rotating shafts, 11 first springs, 12 rotating grooves, 13 push rods, 14 first vertical rods, 15 second vertical rods, 16 gaps, 17 moving rods, 18 second screws, 19 threaded through holes, 20 first through holes, 21 pressing blocks, 22 cross rods, 23 second through holes, 24 second springs, 25 moving grooves, 26 rotating discs, 27 third through holes, 28 fourth through holes, 29 fifth through holes and 30 sixth through holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1, 4, 5 and 6, the novel hydroelectric generating set generator rotor structure comprises a fixed block 1, wherein a rotor device 2 is fixed on the fixed block 1, the rotor consists of a rotating shaft, a bracket, a magnetic yoke, a magnetic pole, a current collecting device and the like and is used for generating a magnetic field, converting energy and transmitting torque, and the rotor device 2 is welded on the fixed block 1 to ensure the connection stability;

the fixing block 1 is provided with a fifth through hole 29, the two sides of the fixing block 1 are provided with fourth through holes 28, the fixing block 1 is detachably connected with a rotary table 26 through two first screws 7, so that the connection and installation are convenient, and the disassembly is convenient, so that the inspection and maintenance of workers are convenient;

be equipped with sixth through-hole 30 on carousel 26, the both sides of carousel 26 all are equipped with third through-hole 27, it is equipped with first pivot 5 to run through jointly between sixth through-hole 30 and the fifth through-hole 29, first pivot 5 of easy to assemble, the upper end of first pivot 5 is equipped with recess 4, be equipped with the mobile device in the recess 4, be equipped with briquetting 21 on the mobile device, be equipped with connecting device in the recess 4, and briquetting 21 and connecting device are corresponding, connecting device and two first screws 7 are corresponding, enable first pivot 5 and carousel 26 to be connected through mobile device and connecting device, can guarantee the firm degree of connection, and conveniently dismantle and overhaul.

The utility model discloses in, the mobile device is including rotating the screw rod 3 of connecting the bottom in recess 4, and the briquetting 21 screw thread cup joints on screw rod 3, and upper end one side of briquetting 21 is fixed with carriage release lever 17, is equipped with opening 16 on the one end lateral wall in the recess 4, and the one end of carriage release lever 17 is located opening 16, and opening 16 can effectively restrict carriage release lever 17's moving direction, rotates screw rod 3 to make things convenient for stable going up and down of briquetting 21, and then be convenient for adjust.

In the utility model, the connecting device comprises cross rods 22 which are sleeved on the opposite side walls in the groove 4 in a sliding way, the opposite sides of the two cross rods 22 are arranged in a hemispherical shape, one ends of the two cross rods 22 correspond to the two sides of the lower end of the pressing block 21 respectively, the pressing block 21 is lifted and lowered, and the cross rods 22 can be pushed to move, so that the connection is convenient, and the first rotating shaft 5 and the rotating disc 26 are conveniently and stably connected;

the opposite side walls in the sixth through hole 30 are provided with moving grooves 25, two third through holes 27 of the two moving grooves 25 correspond to each other, the two cross bars 22 are respectively positioned in the two moving grooves 25, and the cross bars 22 move into the moving grooves 25, so that the first rotating shaft 5 can drive the rotating disc 26, the fixed block 1 and the rotor device 2 to move;

the side walls of one ends in the two moving grooves 25 are respectively fixed with a second spring 24, one ends of the two second springs 24 respectively abut against one ends of the two cross rods 22, and when the pressing block 21 rises, the first screws 7 are also detached, so that the cross rods 22 are convenient to reset, and the detachment is further convenient;

be equipped with second through-hole 23 on the horizontal pole 22, two first screws 7 are located two second through-holes 23 respectively, conveniently connect through first screw 7 and nut 6 to can effectively guarantee the firm degree of connection, thereby conveniently steadily make first pivot 5, carousel 26, fixed block 1 and rotor device 2 rotate jointly.

The utility model discloses in, be a set of with the third through hole 27 and the fourth through hole 28 of one side, two first screws 7 are located two sets of third through holes 27 and fourth through hole 28 respectively, and the equal screw thread of lower extreme of two first screws 7 has cup jointed nut 6, and two nuts 6 contradict respectively in the lower extreme both sides of fixed block 1, can effectively screw up through nut 6 to be convenient for firmly connect between carousel 26, horizontal pole 22, first pivot 5 and the fixed block 1.

Example 2

Referring to fig. 1, 2, 4, 5 and 6, the novel hydroelectric generating set generator rotor structure comprises a fixed block 1, wherein a rotor device 2 is fixed on the fixed block 1, the rotor consists of a rotating shaft, a bracket, a magnetic yoke, a magnetic pole, a current collecting device and the like and is used for generating a magnetic field, converting energy and transmitting torque, and the rotor device 2 is welded on the fixed block 1 to ensure the connection stability;

The utility model discloses in, lower extreme a week of first pivot 5 is equipped with T type spout, installs a plurality of T type sliders 8 in the T type spout, and a plurality of T type sliders 8's lower extreme is fixed with second pivot 10 jointly, enables the stable rotation of second pivot 10, and the upper end of second pivot 10 is equipped with rotates groove 12, rotates and is equipped with protection device in the groove 12, when the condition of reversal appears, can effectively protect other equipment, avoids it impaired.

In the utility model, the protection device comprises a ratchet wheel 9 fixed at the bottom in a rotating groove 12, the upper end of the ratchet wheel 9 is rotatably connected with the lower end of a first rotating shaft 5, so that a second rotating shaft 10 can conveniently rotate relative to the first rotating shaft 5;

a first vertical rod 14 is fixed at the lower end of the first rotating shaft 5, a push rod 13 is rotatably sleeved at the lower end of the first vertical rod 14, one end of the push rod 13 is abutted against one side of the ratchet wheel 9, when the first rotating shaft 5 rotates in the forward direction, the ratchet wheel 9 can be pushed to drive the second rotating shaft 10 to rotate, the lower end of the first rotating shaft 5 is fixed with a second vertical rod 15, and the second vertical rod 15 is positioned at one side of the push rod 13 to avoid the over-rotation of the push rod 13, the other side of the push rod 13 is fixed with the first spring 11, one end of the first spring 11 is fixed at the lower end of the first rotating shaft 5 to enable the push rod 13 to firmly abut against the ratchet wheel 9, when the first rotating shaft 5 rotates reversely, the second rotating shaft 10 can be prevented from rotating, other equipment can be protected, compared with the embodiment 1, the embodiment can effectively protect other equipment, avoids other equipment damage caused by reversal, thereby improving the safety of work, has stable structure, and is beneficial to ensuring the efficiency and quality of work.

Example 3

Referring to fig. 1, 3, 4, 5 and 6, the novel hydroelectric generating set generator rotor structure comprises a fixed block 1, wherein a rotor device 2 is fixed on the fixed block 1, the rotor consists of a rotating shaft, a bracket, a magnetic yoke, a magnetic pole, a current collecting device and the like and is used for generating a magnetic field, converting energy and transmitting torque, and the rotor device 2 is welded on the fixed block 1 to ensure the connection stability;

The utility model discloses in, one side of first pivot 5 is equipped with first through-hole 20, and first through-hole 20 is corresponding with opening 16, run through being equipped with second screw 18 in the first through-hole 20, be equipped with screw through-hole 19 on the carriage release lever 17, and the one end screw thread of second screw 18 cup joints in screw through-hole 19, can effectively fix carriage release lever 17, thereby help the position of fixed briquetting 21, and then guarantee the firm of connection, thereby can promote the security of work, compared with embodiment 1, the stability of promotion briquetting that this embodiment can be better, thereby can effectively guarantee horizontal pole 22's position, and then can guarantee the steadiness of connecting, stable transmission, promote work efficiency.

In the utility model, when in use, the rotary disc 26 is sleeved on the first rotating shaft 5 to rotate the screw rod 3, under the matching of the moving rod 17 and the notch 16, the pressing block 21 can be stably lifted, the pressing block 21 is lowered to push the two cross rods 22 to move, the cross rods 22 can penetrate through the moving groove 25 to abut against the second spring 24, the first screw 7 penetrates through the third through hole 27 and the second through hole 23, thereby facilitating the fixation of the first rotary shaft 5 and the rotary plate 26, the lower end of the first screw 7 penetrates the fourth through hole 28 and extends to the lower end of the fixed block 1, when the nut 6 is used for fixing and the second screw 18 is used for connecting and fixing, when the first rotating shaft 5 rotates, the push rod 13 can push the ratchet wheel 9, thereby enabling the second rotating shaft 10 to rotate, and when the reverse rotation occurs, the first rotating shaft 5 and the second rotating shaft 10 can not rotate together through the ratchet wheel 9 and the push rod 13, so as to protect other equipment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel hydroelectric set generator rotor structure, includes fixed block (1), its characterized in that: the rotor device (2) is fixed on the fixed block (1), a fifth through hole (29) is arranged on the fixed block (1), both sides of the fixed block (1) are provided with fourth through holes (28), the fixed block (1) is detachably connected with a rotary table (26) through two first screws (7), a sixth through hole (30) is arranged on the rotary table (26), third through holes (27) are arranged on both sides of the rotary table (26), a first rotating shaft (5) is arranged between the sixth through hole (30) and the fifth through hole (29) in a penetrating way, the upper end of the first rotating shaft (5) is provided with a groove (4), a moving device is arranged in the groove (4), a pressing block (21) is arranged on the moving device, a connecting device is arranged in the groove (4), and the pressing block (21) corresponds to a connecting device which corresponds to the two first screws (7).

2. The novel hydroelectric generating set generator rotor structure of claim 1, wherein the moving device comprises a screw (3) rotatably connected to the bottom of the groove (4), a pressing block (21) is sleeved on the screw (3) in a threaded manner, a moving rod (17) is fixed to one side of the upper end of the pressing block (21), a notch (16) is formed in one side wall of one end of the groove (4), and one end of the moving rod (17) is located in the notch (16).

3. The novel hydroelectric generating set generator rotor structure as claimed in claim 1, the connecting device comprises cross rods (22) which are sleeved on the opposite side walls in the groove (4) in a sliding manner, one end of each of the two cross rods (22) corresponds to the two sides of the lower end of the pressing block (21), the opposite side walls in the sixth through hole (30) are respectively provided with a moving groove (25), two third through holes (27) of the two moving grooves (25) are corresponding, the two cross bars (22) are respectively positioned in the two moving grooves (25), the side wall of one end in each moving groove (25) is fixedly provided with a second spring (24), one end of each second spring (24) is respectively abutted against one end of each cross bar (22), the cross rod (22) is provided with second through holes (23), and the two first screws (7) are respectively positioned in the two second through holes (23).

4. The novel hydroelectric generating set generator rotor structure of claim 1, wherein the third through hole (27) and the fourth through hole (28) on the same side are in one group, the two first screws (7) are respectively positioned in the two groups of third through holes (27) and the fourth through hole (28), the lower ends of the two first screws (7) are respectively sleeved with a nut (6), and the two nuts (6) are respectively abutted against two sides of the lower end of the fixing block (1).

5. The novel hydroelectric generating set generator rotor structure of claim 1, wherein a T-shaped sliding groove is formed in the lower end of the first rotating shaft (5) in a circle, a plurality of T-shaped sliding blocks (8) are installed in the T-shaped sliding groove, a second rotating shaft (10) is jointly fixed to the lower ends of the T-shaped sliding blocks (8), a rotating groove (12) is formed in the upper end of the second rotating shaft (10), and a protection device is arranged in the rotating groove (12).

6. The novel hydroelectric generating set generator rotor structure of claim 5, wherein the protecting device comprises a ratchet wheel (9) fixed at the bottom in a rotating groove (12), the upper end of the ratchet wheel (9) is rotatably connected to the lower end of a first rotating shaft (5), a first vertical rod (14) is fixed to the lower end of the first rotating shaft (5), a push rod (13) is rotatably sleeved on the lower end of the first vertical rod (14), one end of the push rod (13) abuts against one side of the ratchet wheel (9), a second vertical rod (15) is fixed to the lower end of the first rotating shaft (5), the second vertical rod (15) is located on one side of the push rod (13), a first spring (11) is fixed to the other side of the push rod (13), and one end of the first spring (11) is fixed to the lower end of the first rotating shaft (5).

7. The novel hydroelectric generating set generator rotor structure of claim 2, wherein a first through hole (20) is formed in one side of the first rotating shaft (5), the first through hole (20) corresponds to the notch (16), a second screw (18) penetrates through the first through hole (20), a threaded through hole (19) is formed in the moving rod (17), and one end of the second screw (18) is sleeved in the threaded through hole (19).

8. A novel hydroelectric generator set generator rotor structure as claimed in claim 3 wherein the opposite sides of the two cross bars (22) are arranged in a hemispherical shape.

9. The novel hydroelectric generator rotor structure of claim 1, wherein the rotor device (2) is welded on the fixing block (1).