CN219697451U - Anti-collision strip component - Google Patents
Anti-collision strip component Download PDFInfo
- Publication number
- CN219697451U CN219697451U CN202320469248.7U CN202320469248U CN219697451U CN 219697451 U CN219697451 U CN 219697451U CN 202320469248 U CN202320469248 U CN 202320469248U CN 219697451 U CN219697451 U CN 219697451U
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- Prior art keywords
- collision
- rotor
- strip
- pressure sensor
- strips
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The anti-collision strip member comprises a plurality of anti-collision strips, wherein two adjacent anti-collision strips are detachably connected, the back surfaces of the anti-collision strips are provided with adsorption magnets, and the adsorption magnets are used for being adsorbed on the outer column surface of a rotor; the back of the anti-collision strip is also provided with a pressure sensor or a micro switch. According to the utility model, the height can be adjusted along with the height of the rotor, the pressure change of the position of the anti-collision strip can be detected, and when the pressure of the pressure sensor at a certain position exceeds a threshold value, the gap at the position is proved to be too small, so that a worker is reminded of fine adjustment of the position of the rotor.
Description
Technical Field
The utility model belongs to the technical field of rotor hoisting, and particularly relates to a bumper strip component.
Background
For a large-sized hydroelectric generating set, the allowable gap range between a rotor and a stator in the hoisting process is smaller, and certain centering precision is required to be ensured in the hoisting process. In addition, once extrusion and collision occur to the rotor and the stator in the hoisting process, serious equipment damage accidents can be caused, and therefore the rotor and the stator are also protected physically in the hoisting process, and direct extrusion and collision of the rotor and the stator can be avoided when the hoisting accidents occur.
At present, in the process of lifting out and returning the generator rotor, a manual plugboard is mainly adopted to monitor the gap between the stator and the rotor and protect the rotor from collision, in the process, a maintenance construction team carries the plugboard to stand on the upper base surface of the stator, in the process of lifting the rotor, constructors need to continuously move the plugboard up and down to ensure that the rotor and the stator keep a sufficient distance, immediately shouting to report after the plugboard is found out that the plugboard is jammed and can not move, and then after the deviation direction of the rotor is judged, the lifting staff contacts bridge crane span personnel to finely adjust the rotor until the lifting and the returning are completed.
The above-mentioned operation process mainly relies on the qualitative judgement of manpower, exists the risk of falling during the operation, and the design of crashproof strip is being improved to the person of skill in the art at this stage, and its purpose is to save the manual work mode of drawing the picture peg. For the anti-collision strip, the technical problems to be solved by the utility model are as follows: how to design the anti-collision strip with the functions of height adjustment and collision alarming.
Disclosure of Invention
In view of the technical problems existing in the background art, the anti-collision strip member provided by the utility model can realize that the height is adjusted along with the height of the rotor, and can detect the pressure change of the position of the anti-collision strip, and when the pressure of the pressure sensor at a certain position exceeds a threshold value, the gap at the position is proved to be too small, so that a worker is reminded of fine adjustment of the position of the rotor.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the anti-collision strip member comprises a plurality of anti-collision strips, wherein two adjacent anti-collision strips are detachably connected, the back surfaces of the anti-collision strips are provided with adsorption magnets, and the adsorption magnets are used for being adsorbed on the outer column surface of a rotor; the back of the anti-collision strip is also provided with a pressure sensor or a micro switch.
In the preferred proposal, the two sides of the anti-collision strip are provided with guide grooves,
in a preferred scheme, the contact of the pressure sensor protrudes out of the surface of the anti-collision strip but is not higher than the adsorption surface of the adsorption magnet.
In the preferred scheme, both ends are provided with tongue-and-groove and tenon respectively about the crashproof strip, connect through tongue-and-groove and tenon mortise-and-tenon joint between two adjacent crashproof strips, and tongue-and-groove and tenon junction pass through the jackscrew locking.
The following beneficial effects can be achieved in this patent:
1. the anti-collision strip member can select a proper amount of anti-collision strips according to the height of the rotor, so that the height of the anti-collision strip member is adjustable.
2. The pressure sensor is installed on the crashproof strip, and when the pressure of the pressure sensor of a certain place exceeds a threshold value, the gap at the position is proved to be too small, and the position of the rotor needs to be finely adjusted.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a three-dimensional block diagram of the present utility model;
fig. 2 is a three-dimensional block diagram of a single bumper strip in accordance with the present utility model.
In the figure: a bumper strip 3121, a jackscrew 3122, a suction magnet 3123, a pressure sensor 3124, a tenon 31211, a mortise 31212, a guide slot 31213, a runner 31214.
Detailed Description
Example 1:
1-2, a bumper strip member comprises a plurality of bumper strips 3121, wherein two adjacent bumper strips 3121 are detachably connected, and an adsorption magnet 3123 is arranged on the back surface of each bumper strip 3121, and the adsorption magnet 3123 is used for being adsorbed on the outer column surface of a rotor; the back of the bumper strip 3121 is also provided with a pressure sensor 3124 or a micro-switch. In this embodiment, a wire pressure sensor 3124 is preferably mounted on the back of the bumper strip 3121. The contact of the pressure sensor 3124 protrudes from the surface of the bumper strip 3121 but is not higher than the adsorption surface of the adsorption magnet 3123; the purpose is that once the gap between the rotor and the stator is too small in the hoisting process, the rotor is pressed to the anti-collision strip component, the anti-collision strip 3121 is deformed, and the contact of the pressure sensor 3124 contacts the surface of the rotor to act, so as to trigger the emission of an early warning signal.
The pressure sensor 3124 is electrically connected with the wireless terminal module, the wireless terminal module 311 is used for receiving the pressure signal of the sensor and transmitting the pressure signal to the router in a wireless manner, the router is electrically connected with the server, and the server visually displays the pressure value through the display screen, so that the pressure sensor 3124 is used for lifting operators as a reference for adjusting the position and the gesture of the rotor in the lifting process. In this embodiment, the pressure sensor is of the type: l10j type pressure sensor. The wireless terminal module 311 is a Zigbee wireless terminal module. The output of the pressure sensor is 1-1.5 mV signals, the mV signals are transmitted into standard 4-20 mA signals by adopting an HDO7mV signal isolation transmitter, and then the standard 4-20 mA signals are connected into a Zigbee wireless terminal module, and the standard 4-20 mA signals are transmitted into a server through a wireless network for unified processing.
Further, guide grooves 31213 are formed on two sides of the bumper strip 3121, the guide grooves 31213 are used for being matched with guide wheels, and the bumper strip 3121 is used for being inserted between a plurality of guide wheels and fixed by screws when in use.
Further, the upper and lower ends of the anti-collision bars 3121 are respectively provided with a mortise 31212 and a tenon 31211, two adjacent anti-collision bars 3121 are connected by the mortise 31212 and the tenon 31211, and the joint of the mortise 31212 and the tenon 31211 is locked by the jackscrew 3122. The plurality of bumper strips 3121 are joined end-to-end to form a bumper strip member, and a suitable number of bumper strips 3121 can be selected based on the height of the rotor.
When the anti-collision strip device is used, 3-6 groups of anti-collision strip components are distributed around the rotor, and when a certain group of anti-collision strip components generate pressure alarm, the gap at the position is proved to be too small, so that the position of the rotor needs to be finely adjusted.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (4)
1. A bumper strip member, characterized by: the anti-collision device comprises a plurality of anti-collision strips (3121), wherein two adjacent anti-collision strips (3121) are detachably connected, an adsorption magnet (3123) is arranged on the back surface of each anti-collision strip (3121), and the adsorption magnet (3123) is used for being adsorbed on the outer column surface of a rotor; the back of the anti-collision strip (3121) is also provided with a pressure sensor (3124) or a micro-switch.
2. The bumper strip member of claim 1, wherein: guide grooves (31213) are formed in two sides of the anti-collision strip (3121).
3. The bumper strip member of claim 1, wherein: the contact of the pressure sensor (3124) protrudes from the surface of the bumper strip (3121) but is not higher than the suction surface of the suction magnet (3123).
4. The bumper strip member of claim 1, wherein: the upper end and the lower end of each anti-collision strip (3121) are respectively provided with a mortise (31212) and a tenon (31211), the two adjacent anti-collision strips (3121) are connected through the mortise (31212) and the tenon (31211) mortise and tenon, and the joint of the mortise (31212) and the tenon (31211) is locked through a jackscrew (3122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469248.7U CN219697451U (en) | 2023-03-13 | 2023-03-13 | Anti-collision strip component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469248.7U CN219697451U (en) | 2023-03-13 | 2023-03-13 | Anti-collision strip component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219697451U true CN219697451U (en) | 2023-09-15 |
Family
ID=87946432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320469248.7U Active CN219697451U (en) | 2023-03-13 | 2023-03-13 | Anti-collision strip component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219697451U (en) |
-
2023
- 2023-03-13 CN CN202320469248.7U patent/CN219697451U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |