CN216407058U

CN216407058U - Electric hub lock system

Info

Publication number: CN216407058U
Application number: CN202121524481.8U
Authority: CN
Inventors: 吕建波; 江宁; 刘建鹏; 刘乃硕; 张勤凯
Original assignee: Huaneng Yantai Wind Power Generation Co ltd
Current assignee: Huaneng Yantai Wind Power Generation Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-04-29
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses an electric hub lock system, which is characterized in that a power part and a worm part are arranged in a device main body, the power part can be automatically switched between electric operation and manual operation, and the power part and the worm part are meshed through a gear, so that the matching of a lock head connected with the worm part and a lock pin of a fan can be automatically controlled. Meanwhile, the control module is arranged to control the motor to be turned on and off, the hub hole positions are accurately aligned, and the forward rotation and reverse rotation control of the worm part can be controlled, so that the extending and retracting actions of the impeller lock pin are realized. The electric mechanism is controlled, so that great convenience is brought to field maintenance work, and the working efficiency of personnel is improved.

Description

Electric hub lock system

Technical Field

The utility model relates to the technical field of wind power generation, in particular to an electric hub lock system.

Background

The existing wind driven generator gearbox hub locking device mostly adopts a manual threaded screw rod type structure, and the hub is locked by manually rotating a hub locking bolt to fix the hub, so that workers can enter the hub to perform various overhauling and maintaining operations, and the safety of the workers is ensured.

Because the fan is in the operation in-process throughout the year, the rotatory bolt of wheel hub lock receives external environment (humid air, oxidation etc.) influence, can appear "rust death", rotatory difficult scheduling problem. And the time required for locking the hub is long, two or more persons are required to be matched with each other to complete the locking, and if the matching is not proper, the main shaft locking disc can be damaged.

Based on the reasons, the wind power station has great potential safety hazard when workers enter the hub to operate, and normal and stable operation of the fan is influenced. The electric hub lock device is urgently needed to be developed, the electric hub lock device is controlled through an electric mechanism, great convenience is brought to field maintenance work, and meanwhile, the working efficiency of personnel is improved.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made in view of the above and/or other problems with the prior art hub lock devices.

It is therefore an object of the present invention to provide an electric hub lock system which allows the device to be operated by an electric mechanism, which provides great convenience for field maintenance work, and also improves personnel work efficiency.

In order to solve the technical problems, the utility model provides the following technical scheme: an electric hub lock system includes a device body including a housing member and an observation member provided outside the housing member; the locking module is connected with the device main body and comprises a power part and a worm part; and the control module comprises a control panel and a controller and is arranged on the outer side of the shell part.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the casing part comprises a casing body and a mounting flange, the casing body is fixedly connected with the mounting flange, the casing body is arranged in an L shape, and the mounting flange is in threaded connection with the fan unit.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the observation part comprises a transparent observation window and a motor door which are arranged on the outer side of the shell part, the observation window and the motor door are arranged on the same side of the shell part, and the motor door can be opened.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the power part comprises a manual rotating handle arranged on the outer side of the shell part, a motor, a driving gear and a fixing plate, wherein the motor, the driving gear and the fixing plate are arranged inside the shell part, and the motor is connected with the driving gear in a matched mode and is arranged on the fixing plate.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the fixed plate sets up inside the shell body, just the fixed plate sets up the bolt hole all around, fixed plate and shell body bolt fastening.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the worm part comprises a driven gear, a worm and a lock head, the worm is fixedly connected with the driven gear and is rotatably connected with the lock head, and a lock head convex block is arranged at the end part of the lock head.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the mounting flange is provided with a locking hole, and the lock head is connected with the locking hole in a matched mode.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the driven gear is rotationally connected with the fixing plate, the worm part is arranged on one side of the power part, and the driving gear is meshed with the driven gear.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the control panel is arranged on the outer side of the shell part and is provided with four control buttons and an emergency stop button.

As a preferable aspect of the electric hub lock system of the present invention, wherein: the controller is arranged on one side of the power part and is electrically connected with the control panel, and the observation window is connected with the lock head bump.

The utility model has the beneficial effects that: according to the utility model, the power part and the worm part are arranged in the device main body, the power part can be automatically switched between an electric mode and a manual mode, and the power part and the worm part are meshed through the gear, so that the matching of a connecting lock head on the worm part and a lock pin of the fan can be automatically controlled. Meanwhile, the control module is arranged to control the motor to be turned on and off, the hub hole positions are accurately aligned, and the forward rotation and reverse rotation control of the worm part can be controlled, so that the extending and retracting actions of the impeller lock pin are realized. The electric mechanism is controlled, so that great convenience is brought to field maintenance work, and the working efficiency of personnel is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic view of the overall structure of three embodiments provided by the electric hub lock system of the present invention.

Fig. 2 is an internal schematic view of the overall structure of three embodiments of the electric hub lock system of the present invention.

Fig. 3 is a partial schematic view of the locking module according to three embodiments of the electric hub lock system of the present invention.

Fig. 4 is an electrical schematic diagram of the control module according to three embodiments of the electric hub lock system of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, a schematic diagram of an overall structure of an electric hub lock system is provided for a first embodiment of the present invention, and as shown in fig. 1, the overall structure of the present invention includes a device body 100, the device body 100 includes a housing part 101 and an observation part 102, and the observation part 102 is disposed outside the housing part 101; the locking module 200, the locking module 200 is connected with the apparatus body 100, including a power component 201 and a worm component 202; and a control module 300, the control module 300 including a control panel 301 and a controller 302, and being disposed outside the housing part 101.

Specifically, the main structure of the present invention includes a device body 100, a locking module 200, and a control module 300. The device body 100 comprises a shell part 101 and an observation part 102, wherein the observation part 102 is arranged on the outer side of the shell part 101; the housing part 101 is bolted to the fan unit to secure the device to the unit. The observation component 102 is of a glass through window structure, the direction of the observation component is aligned to the worm component 202, the matching process of a connecting lock head of the electric control worm component and a fan lock pin can be monitored, and the locking module 200 is connected with the device main body 100 and comprises a power component 201 and the worm component 202; according to the utility model, the power component 201 and the worm component 202 are arranged in the device main body 100, the power component 201 can be automatically switched between an electric mode and a manual mode, the power component 201 and the worm component 202 are meshed through a gear, and the matching of a lock head connected to the worm component 202 and a lock pin of a fan can be automatically controlled.

Further, a control module 300 is provided to control the turning on and off of the motor, and to precisely align the holes of the hub, the control module 300 includes a control panel 301 and a controller 302, and both are disposed outside the housing part 101. The entire control system is composed of a control panel 301 and a controller 302, and a motor, a contactor, a control button, an emergency stop button, and the like are fitted inside the device. The control module 300 may also control the forward and reverse rotation of the worm member 202 to effect the extending and retracting action of the impeller lock pin. The motor mechanism control system not only brings great convenience to field maintenance work, but also improves the working efficiency of personnel.

Example 2

A second embodiment of the present invention is illustrated in fig. 1 to 3, which is different from the first embodiment in that: this embodiment addresses the operation of the motorized hub lock device locking module 200. The main structure of the present invention includes a device body 100, a locking module 200, and a control module 300. The shell part 101 comprises an outer shell 103 and a mounting flange 104, the outer shell 103 is fixedly connected with the mounting flange 104, the outer shell 103 is arranged in an L shape, and the mounting flange 104 is in threaded connection with the fan unit.

The viewing member 102 includes a transparent viewing window 105 and a motor door 106 disposed on the outer side of the housing member 101, the viewing window 105 being disposed on the same side of the housing member 101 as the motor door 106, and the motor door 106 being openable. The power unit 201 includes a manual rotation handle 201a disposed outside the housing unit 101, a motor 203 disposed inside the housing unit 101, a driving gear 204, and a fixing plate 205, wherein the motor 203 is connected to the driving gear 204 and disposed on the fixing plate 205. The fixing plate 205 is disposed inside the outer housing 103, bolt holes are disposed around the fixing plate 205, and the fixing plate 205 and the outer housing 103 are fixed by bolts.

The worm part 202 comprises a driven gear 206, a worm 207 and a lock head 208, the worm 207 is fixedly connected with the driven gear 206 and is rotatably connected with the lock head 208, and a lock head lug 208a is arranged at the end part of the lock head 208. The mounting flange 104 is provided with a locking hole 209, and the locking head 208 is matched and connected with the locking hole 209. The driven gear 206 is rotatably connected to the fixed plate 205, the worm member 202 is provided on the power unit 201 side, and the driving gear 204 and the driven gear 206 are engaged with each other.

In the embodiment, the housing part 101 comprises an outer housing 103 and a mounting flange 104, the outer housing 103 is fixedly connected with the mounting flange 104, the outer housing 103 is arranged in an L shape, and the L shape saves space. The mounting flange 104 is internally provided with a threaded hole, and the threaded hole of the mounting flange 104 is in threaded connection with the fan unit, so that the original structure can be replaced more simply. The viewing member 102 includes a transparent viewing window 105 and a motor door 106 disposed on the outer side of the housing member 101, the viewing window 105 being disposed on the same side of the housing member 101 as the motor door 106, and the motor door 106 being openable. When the device is operated, the forward rotation and the reverse rotation of the worm member 202 can be observed more effectively through the observation window 105 opened at one side of the housing member 101. The setting of motor door 106 receives external environment (humid air, oxidation etc.) to the rotatory bolt of wheel hub lock and influences, can appear "rust death", rotatory difficult scheduling problem. Maintenance of the internal structure is possible by the provision of an openable motor door 106.

Further, the power unit 201 includes a manual rotation handle 201a disposed outside the housing unit 101, a motor 203 disposed inside the housing unit 101, a driving gear 204, and a fixing plate 205, wherein the motor 203 is connected to the driving gear 204 and disposed on the fixing plate 205. The fixing plate 205 is disposed inside the outer housing 103, bolt holes are disposed around the fixing plate 205, and the fixing plate 205 and the outer housing 103 are fixed by bolts. In order to avoid the condition that the hub lock cannot be closed or opened due to electrical faults, a manual operation function is added on the basis of electrical design, and a maintainer can control the pin of the lock head 208 to advance and retreat in a mode of manually rotating the handle 201a, so that the purpose of locking the hub is realized.

Further, the worm part 202 comprises a driven gear 206, a worm 207 and a lock head 208, the worm 207 is fixedly connected with the driven gear 206 and rotatably connected with the lock head 208, and a lock head lug 208a is arranged at the end of the lock head 208. The lock cam 208a is arranged opposite to the observation window 105, and the observation window 105 can monitor the advance and retreat of the lock 208 in real time by observing the lock cam 208 a. The mounting flange 104 is provided with a locking hole 209, and the locking head 208 is connected with the locking hole 209 in a matching manner, so that the purpose of locking the hub is achieved. The driven gear 202 is rotatably connected to the fixed plate 205, the worm member 202 is provided on the power unit 201 side, and the driving gear 204 and the driven gear 206 are engaged with each other. The utility model adopts the worm part 202, so that the transmission is stable and the noise is low. The power component 101 and the power component are packaged together, so that the structure is compact, safe and reliable. The worm 207 inside the worm part 202 is used as a push rod, the upper side of the worm wheel 207 is connected with a driven gear 206, the driven gear 206 is meshed with the driving gear 204, and power is provided by the direct current motor 203. And limit switches are arranged at two ends of the inner part, and the power is automatically cut off and stopped after the inner part reaches the position. The turbine is made of tin bronze, and the worm is made of high-strength steel.

In reality, when the hub lock is in a locked state, the hub lock pin is affected by radial shearing force from the hub, and a large friction force exists between the lock head 208 and the main shaft locking hole 209. In order to overcome the friction force, the lock head 208 is drawn out from the main shaft locking hole 209, and a mechanical preset type slipping mechanism is added on the basis of keeping a mechanical worm structure under the condition of ensuring that the motor is not overloaded. When the system is overloaded, the mechanical preset type slipping mechanism is started, and the safety of the worm and the motor is guaranteed.

The rest of the structure is the same as in example 1.

Example 3

Referring to fig. 1 to 4, there are shown partial schematic views of a third embodiment of the electric hub lock system of the present invention, which is different from the first embodiment: the control panel 301 is disposed outside the housing part 101, and four control buttons and an emergency stop button are disposed on the control panel 301. The controller 302 is disposed on one side of the power unit 201 and electrically connected to the control panel 301, and the observation window 105 and the lock cam 208 a.

Specifically, the main structure of the present invention includes a device body 100, a locking module 200, and a control module 300. Wherein, the control panel 301 is arranged outside the housing part 101, and four control buttons and an emergency stop button are arranged on the control panel 301. The controller 302 is disposed on one side of the power unit 201 and electrically connected to the control panel 301, and the observation window 105 and the lock cam 208 a.

One emergency stop button and four control buttons are provided at the electric impeller lock housing part 101. The emergency stop button is connected with the original emergency stop button of the unit in series, so that the safety protection of the unit and personnel is guaranteed when a dangerous condition occurs. Two brake buttons in the four control buttons respectively control the brake to be closed and opened, so that the hub hole positions are accurately aligned; the other two impeller lock motor control buttons control the suction of different contactors to control the forward rotation and reverse rotation of the impeller lock motor, so as to realize the extension and contraction action of the impeller lock head 208.

In this embodiment, the process of operating the motorized impeller lock mainly includes two stages: i.e. locking the hub and unlocking the hub.

Firstly, locking a hub: the rotary switch of a brake 'manual/automatic knob' on the 310 control cabinet door is rotated to a manual control state, and the correction of the hole position of the hub is controlled by a 'brake opening' button and a 'brake closing' button on the electric impeller lock. After the alignment hole position is corrected, an 'emergency stop' button on the electric impeller lock is pressed down to enable the unit brake to be in a continuous locking state, the operation of aligning the impeller lock hole position is completed, and meanwhile power is supplied to a control system of the electric impeller lock. And pressing an 'advance' button on the electric impeller lock to complete the insertion work of the hub lock pin.

Secondly, hub locking is released: after the work in the hub is finished and personnel and tool articles are ensured to be in safe positions, a 'retreating' button on the electric hub lock is pressed to enable the lock pin to retreat. And finally, an emergency stop button on the impeller lock is loosened, a brake 'manual/automatic knob' on the cabinet door is rotated back to an automatic control state, and the fan fault is reset by pressing a reset button.

The rest of the structure is the same as in example 1.

After technical transformation, on the premise of ensuring safe, stable and reliable operation of the unit, the following effects must be achieved: in the routine maintenance and repair work of the fan, workers can not enter the hub to perform maintenance and repair work without locking the impeller lock due to time and labor waste in operation. The maintenance personnel need not to use the opening spanner to rotate the impeller lock bolt again, avoids/eliminates because of locking too big personnel's injury that appear of impeller hard on the fan. Because of convenience and rapidness, the impeller lock bolt can not be rusted, oxidized and immovable (rusted) due to long-term non-use.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. An electric hub lock system characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

an apparatus main body (100) including a housing member (101) and an observation member (102), the observation member (102) being disposed outside the housing member (101);

a locking module (200) connected with the device body (100) and comprising a power component (201) and a worm component (202); and the number of the first and second groups,

a control module (300) comprising a control panel (301) and a controller (302), both arranged outside the housing part (101).

2. A motorized hub lock system according to claim 1, wherein: the shell part (101) comprises an outer shell (103) and a mounting flange (104), the outer shell (103) is fixedly connected with the mounting flange (104), the outer shell (103) is arranged in an L shape, and the mounting flange (104) is in threaded connection with the fan unit.

3. A motorized hub lock system according to claim 2, wherein: the observation part (102) comprises a transparent observation window (105) and a motor door (106) which are arranged on the outer side of the shell part (101), the observation window (105) and the motor door (106) are arranged on the same side of the shell part (101), and the motor door (106) can be opened.

4. A motorized hub lock system according to claim 3, wherein: the power part (201) comprises a manual rotating handle (201a) arranged on the outer side of the shell part (101), a motor (203), a driving gear (204) and a fixing plate (205) which are arranged inside the shell part (101), wherein the motor (203) is matched and connected with the driving gear (204) and is arranged on the fixing plate (205).

5. An electric hub lock system according to claim 4, wherein: the fixing plate (205) is arranged inside the outer shell (103), bolt holes are formed in the periphery of the fixing plate (205), and the fixing plate (205) is fixed with the outer shell (103) through bolts.

6. An electric hub lock system according to claim 5, wherein: the worm part (202) comprises a driven gear (206), a worm (207) and a lock head (208), the worm (207) is fixedly connected with the driven gear (206) and is rotatably connected with the lock head (208), and a lock head convex block (208a) is arranged at the end part of the lock head (208).

7. An electric hub lock system according to claim 6, wherein: the mounting flange (104) is provided with a locking hole (209), and the lock head (208) is connected with the locking hole (209) in a matched mode.

8. A motorized hub lock system according to claim 7, wherein: the driven gear (206) is rotatably connected with the fixing plate (205), the worm part (202) is arranged on one side of the power part (201), and the driving gear (204) is meshed with the driven gear (206).

9. An electric hub lock system according to any one of claims 3 to 8, wherein: the control panel (301) is arranged on the outer side of the shell part (101), and four control buttons and an emergency stop button are arranged on the control panel (301).

10. A motorized hub lock system according to claim 9, wherein: the controller (302) is arranged on one side of the power component (201) and is electrically connected with the control panel (301), and the observation window (105) and the lock head lug (208 a).