CN217738587U

CN217738587U - Generator gas tightness detection device that wind-powered electricity generation was used

Info

Publication number: CN217738587U
Application number: CN202221815478.6U
Authority: CN
Inventors: 陈淑红
Original assignee: Tianjin Shenhua Weiye Technology Co ltd
Current assignee: Tianjin Shenhua Weiye Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-04
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a generator gas tightness detection device that wind-powered electricity generation was used, including the workstation, workstation top outer wall one side is seted up flutedly, and the recess is inside installs lead screw one through the bearing, and the recess is inside installs the slide bar through the bolt, and the outside sliding connection of slide bar has two to be threaded connection's with lead screw frame that slides, and slide frame inside installs two polished rods through the bolt, and the outside sliding connection of polished rod has the slide, has set firmly the jam dish on the outer wall of slide one side, and the jam dish includes the base. The utility model discloses open the solenoid valve when aerifing to the stator is inside for the gasbag is aerifyd and is bloated, thereby improves the leakproofness between screw thread dish and the stator, avoids gas leakage to influence the precision of detection device test, can starting motor three, motor two, makes three drive slide motions of lead screw, thereby adjusts the position of jam dish, and the lead screw can drive two sliding frame motions simultaneously, thereby makes the automatic card of jam dish go into the stator both ends, improves the degree of automation of this equipment.

Description

Generator gas tightness detection device that wind-powered electricity generation was used

Technical Field

The utility model relates to an air tightness detects technical field, especially relates to a generator air tightness detection device that wind-powered electricity generation was used.

Background

In the motor rotor maintenance process, the rotor air tightness test is a tedious and important work. The working content needs to install a blocking plate at the end part of the rotor and inject 1.4MPA gas into the rotor, and the sealing performance of the conductive screw of the generator rotor is verified after the pressure is stable and is kept for 3 hours.

The generator gas tightness detection device for wind power in the prior art has the following problems: the existing generator stator air tightness detection device needs to block two ends of a stator for detection, but gaps are easily left between the existing blocking plates and the stator, so that the phenomenon of air leakage is easily caused, and the accuracy of the test is influenced.

Therefore, it is necessary to design a generator airtightness detection device for wind power to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the generator gas tightness detection device that a wind-powered electricity generation was used that proposes.

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

the utility model provides a generator gas tightness detection device that wind-powered electricity generation was used, includes the workstation, workstation top outer wall one side is seted up flutedly, and the recess is inside installs lead screw one through the bearing, the slide bar is installed through the bolt to the recess is inside, and slide bar outside sliding connection have two with lead screw one be threaded connection's frame that slides, slide frame inside installs two polished rods through the bolt, and polished rod outside sliding connection has the slide, the jam dish has set firmly on the outer wall of slide one side, the jam dish includes the base, the inside threaded connection of base has the screw thread dish, and has seted up the chamber groove on the outer wall of screw thread dish one side, chamber way has been seted up to chamber groove top inner wall one side, and chamber way inside threaded connection has the solenoid valve, it has the gasbag that communicates each other with the chamber way to bond on the outer wall of screw thread dish side.

Furthermore, a first motor is installed on the outer wall of one side of the workbench through a bolt, and the output end of the first motor is fixedly connected with the first screw rod through a flat key.

Furthermore, a third motor is installed on one side of the outer wall of the top of the sliding frame through a bolt, and a third screw rod in threaded connection with the sliding plate is installed on an output shaft of the third motor through a flat key.

Furthermore, an air pipe is inserted into the outer wall of one side of the sliding frame, and one end of the air pipe extends into the cavity groove.

Further, a placing groove communicated with the groove is formed in one side of the outer wall of the top of the workbench, two guide rods are installed in the placing groove through bolts, and two clamping plates are connected between the guide rods in a sliding mode.

Further, a second motor is installed on the outer wall of one side of the workbench through a bolt, and a second screw rod in threaded connection with the clamping plate is installed on an output shaft of the second motor through a flat key.

The utility model has the advantages that:

1. through the gasbag that sets up, when using this equipment to detect the stator, can open the solenoid valve when aerifing to stator inside for the gasbag is aerifyd and is bloated, thereby improves the leakproofness between screw thread dish and the stator, avoids leaking gas and influences the precision that detection device tested.

2. Through the third screw rod and the second screw rod which are arranged, when the device is used, the third motor and the second motor can be started, the third screw rod drives the sliding plate to move, the position of the plugging disc is adjusted, meanwhile, the screw rods can drive the two sliding frames to move, the plugging disc is clamped into the two ends of the stator automatically, and the automation degree of the device is improved.

3. Through the second screw rod and the clamping plate which are arranged, when the stator is placed on the workbench, the second motor can be started, so that the second screw rod rotates, the stator is centered on the workbench, and the difficulty of installing the blocking disc on the stator subsequently is reduced.

4. Through the base and the threaded disc that set up, when changing the jam structure according to the stator specification, the split type jam dish that base and threaded disc constitute is convenient for the staff and is changed the jam dish on the base fast, reduces the degree of difficulty of changing the jam dish.

Drawings

Fig. 1 is a schematic view of a structure of a generator air tightness detection device for wind power according to the present invention;

fig. 2 is a cross-sectional view of a workbench structure of a generator air tightness detection device for wind power provided by the utility model;

fig. 3 is a schematic structural view of a sliding frame of the generator air tightness detection device for wind power provided by the present invention;

fig. 4 is the utility model provides a block up a structure sketch map of generator gas tightness detection device that wind-powered electricity generation used.

In the figure: 1. a work table; 2. a sliding frame; 3. a clamping plate; 4. a groove; 5. a slide bar; 6. a first screw rod; 7. a first motor; 8. a placing groove; 9. a guide rod; 10. a second screw rod; 11. a second motor; 12. a third screw rod; 13. a polish rod; 14. a slide plate; 15. a third motor; 16. a plugging disc; 17. a base; 18. a threaded disk; 19. a cavity groove; 20. an air bag; 21. a lumen; 22. an electromagnetic valve; 23. the trachea.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a generator airtightness detection device for wind power includes a workbench 1, a groove 4 is formed in one side of an outer wall of a top of the workbench 1, a first lead screw 6 is mounted inside the groove 4 through a bearing, the first lead screw 6 is formed by two lead screws with opposite threads, and can move under the driving of a first motor 7, so that two sliding frames 2 move in opposite directions, a sliding rod 5 is mounted inside the groove 4 through a bolt, the sliding rod 5 facilitates movement guidance of the sliding frame 2, two sliding frames 2 in threaded connection with the first lead screw 6 are slidably connected to the outside of the sliding rod 5, two polished rods 13 are mounted inside the sliding frames 2 through bolts, the polished rods 13 facilitate movement guidance of sliding plates 14, sliding plates 14 are slidably connected to the outside of the polished rods 13, the sliding plates 14 facilitate supporting of plugging discs 16, the first motor 7 is mounted on an outer wall of one side of the workbench 1 through bolts, the first motor 7 is preferably 28HN50-3-15A, and an output end of the first motor 7 is fixedly connected to the first lead screw 6 through a flat key.

The outer wall of one side of the sliding plate 14 is fixedly provided with a blocking disc 16, the blocking disc 16 can block two ends of a stator so as to facilitate subsequent inflation tests, the blocking disc 16 comprises a base 17, the inner portion of the base 17 is in threaded connection with a threaded disc 18, the threaded disc 18 can be matched with the base 17 to form a split type design so as to facilitate replacement of the threaded disc 18 to block two ends of the stator with different specifications, a cavity groove 19 is formed in the outer wall of one side of the threaded disc 18, a cavity channel 21 is formed in one side of the inner wall of the top of the cavity groove 19, the cavity channel 21 facilitates gas inside the cavity groove 19 to flow into the air bag 20, the inner portion of the cavity channel 21 is in threaded connection with an electromagnetic valve 22, the electromagnetic valve 22 can control when the air bag 20 is inflated, the air bag 20 communicated with the cavity channel 21 is bonded on the outer wall of the side of the threaded disc 18, the air bag 20 is bulged so as to improve the sealing performance between the blocking disc 16 and the stator, the air leakage phenomenon during detection is avoided, the outer wall of one side of the sliding frame 2 is spliced with an air pipe 23, the blocking disc 16 and a nitrogen bottle and the like can be conveniently known to inflate the inner portion of the stator, and one end of the air pipe 23 extends to the inner portion of the cavity groove 19.

Further, a third motor 15 is installed on one side of the outer wall of the top of the sliding frame 2 through a bolt, the type of the third motor 15 is preferably 28HN50-3-15A, a third screw rod 12 in threaded connection with the sliding plate 14 is installed on an output shaft of the third motor 15 through a flat key, and the third screw rod 12 is convenient for driving the sliding plate 14 to slide on the polished rod 13 under the action of the third motor 15.

Further, a placing groove 8 communicated with the groove 4 is formed in one side of the outer wall of the top of the workbench 1, two guide rods 9 are mounted inside the placing groove 8 through bolts, the guide rods 9 are convenient for guiding the movement of the clamping plates 3, two clamping plates 3 are connected between the two guide rods 9 in a sliding mode, the clamping plates 3 are convenient for clamping the stator placed on the workbench 1 under the action of the second screw rod 10, a second motor 11 is mounted on the outer wall of one side of the workbench 1 through bolts, the type of the second motor 11 is preferably 28HN50-3-15A, power is convenient for providing for the rotation of the second screw rod 10, a second screw rod 10 in threaded connection with the clamping plates 3 is mounted on an output shaft of the second motor 11 through a flat key, the second screw rod 10 is composed of two screw rods with opposite threads, the clamping plates 3 can be driven to move under the action of the second motor 11, the clamping plates 3 clamp the stator, and the stator is limited.

The working principle is as follows: during the use, can place the stator on workstation 1 through handling equipment, then at starter motor two 11, make lead screw two 10 drive two grip blocks 3 and slide on guide bar 9, make grip block 3 centre gripping stator, thereby lead the stator and just handle between two parties, later at starter motor one 7, make lead screw one 6 drive two sliding frame 2 and move on slide bar 5, make two sliding frame 2 centre gripping the stator, make the stator position on workstation 1 between two parties, later at reverse starter motor one 7, make two sliding frame 2 keep away from the stator, then at starter motor three 15, make lead screw three 12 drive slide 14 and move on polished rod 13, thereby make jam dish 16 and stator be located same central line, later at starter motor one 7, make two jam dish 16 joints on the stator, later aerify to the stator inside through trachea 23, and make solenoid valve 22 start, make gasbag 20 swell, thereby improve the leakproofness between jam dish 16 and the stator, the gas leakage phenomenon appears when avoiding detecting, later know the gas tightness condition of stator structure through this equipment together.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a generator gas tightness detection device that wind-powered electricity generation was used, includes workstation (1), its characterized in that: workstation (1) top outer wall one side is seted up fluted (4), and recess (4) is inside installs lead screw (6) through the bearing, slide bar (5) are installed through the bolt to recess (4) inside, and slide bar (5) outside sliding connection have two with lead screw (6) be threaded connection slide frame (2), slide frame (2) inside installs two polished rods (13) through the bolt, and polished rod (13) outside sliding connection has slide (14), set firmly jam dish (16) on slide (14) one side outer wall, jam dish (16) include base (17), base (17) inside threaded connection has threaded disc (18), and has seted up chamber groove (19) on threaded disc (18) one side outer wall, chamber way (21) have been seted up to chamber groove (19) top inner wall one side, and chamber way (21) inside threaded connection has solenoid valve (22), it has gasbag (20) that communicate each other with chamber way (21) to bond on threaded disc (18) side outer wall.

2. The generator airtightness detection device for wind power according to claim 1, wherein: a first motor (7) is installed on the outer wall of one side of the workbench (1) through a bolt, and the output end of the first motor (7) is fixedly connected with a first screw rod (6) through a flat key.

3. The generator airtightness detection device for wind power according to claim 1, characterized in that: and a third motor (15) is installed on one side of the outer wall of the top of the sliding frame (2) through a bolt, and a third screw rod (12) in threaded connection with the sliding plate (14) is installed on an output shaft of the third motor (15) through a flat key.

4. The generator airtightness detection device for wind power according to claim 1, characterized in that: an air pipe (23) is inserted into the outer wall of one side of the sliding frame (2), and one end of the air pipe (23) extends into the cavity groove (19).

5. The generator airtightness detection device for wind power according to claim 1, wherein: workstation (1) top outer wall one side is seted up and is arranged groove (8) that link up each other with recess (4), and arranges that groove (8) are inside installs two guide bars (9), two through the bolt sliding connection has two grip blocks (3) between guide bar (9).

6. The generator airtightness detection device for wind power according to claim 5, wherein: and a second motor (11) is installed on the outer wall of one side of the workbench (1) through a bolt, and a second screw rod (10) in threaded connection with the clamping plate (3) is installed on an output shaft of the second motor (11) through a flat key.