JP6256082B2 - Power generator - Google Patents

Power generator Download PDF

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Publication number
JP6256082B2
JP6256082B2 JP2014028043A JP2014028043A JP6256082B2 JP 6256082 B2 JP6256082 B2 JP 6256082B2 JP 2014028043 A JP2014028043 A JP 2014028043A JP 2014028043 A JP2014028043 A JP 2014028043A JP 6256082 B2 JP6256082 B2 JP 6256082B2
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door
link
rail
generator
bearing
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JP2015151964A (en
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丸山 修
修 丸山
和俊 加村
和俊 加村
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株式会社明電舎
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Description

  The present invention relates to a power generation device having a housing. In particular, the present invention relates to a door structure that opens and closes an exhaust port formed in a housing.
  The mobile power supply vehicle is used, for example, as a power source for preventing a power outage when performing an electric wire replacement or equipment maintenance work. Further, when a wide-area power outage occurs due to a natural disaster or the like, the lifeline is secured by connecting the power supply of the mobile power supply vehicle to a high-voltage distribution line or a lead-in line (for example, Patent Documents 1-3).
  FIG. 6 shows a side view of a mobile power supply vehicle 19 according to the prior art. The mobile power supply vehicle 19 is divided into a driver's cab portion 19a and a cargo compartment portion 19b. An intake port 20 is provided at the upper rear of the cargo compartment portion 19b, and an exhaust port 21 is provided at the upper front. Yes. In the description of the mobile power supply vehicle 19, the traveling direction of the mobile power supply vehicle 19 will be described as the forward direction.
  A generator control panel 22 is provided behind the cargo compartment portion 19b, and a generator 23 is provided below the generator control panel 22. Further, an engine 24 (for example, a diesel engine or the like) that drives the generator 23 is connected in front of the generator 23. A radiator 25 that cools the engine 24 is provided in front of the engine 24, and the radiator 25 is cooled by a radiator fan 26 that is driven by the engine 24. Further, an exhaust pipe 27 for exhausting the exhaust of the engine 24 is provided in front of the radiator 25, and a muffler 28 is provided in the middle of the exhaust pipe 27. The opening of the exhaust pipe 27 is connected to the exhaust port 21, and the exhaust port 21 is provided with a door 29 that opens and closes the exhaust port 21. In addition, a soundproof wall 30 is entirely provided inside the peripheral wall of the luggage compartment portion 19b and between the cab portion 19a and the cargo compartment portion 19b. Although the soundproof wall 30 is not actually visible from the outside, in FIG. 6, it is shown by a solid line for easy understanding.
  The mobile power supply vehicle 19 generates power by driving the generator 23 by the engine 24. At this time, as the engine 24 is driven, the radiator fan 26 rotates and the radiator 25 is cooled. Outside air is sucked into the luggage compartment portion 19b from the intake port 20 and is discharged from the exhaust port 21 through the periphery of the radiator 25 and the like. Further, the exhaust of the engine 24 is silenced by the muffler 28 and is discharged from the exhaust port 21 through the exhaust pipe 27.
  As described above, a power generation device for a general mobile power supply vehicle (or a stationary power generation device installed outdoors) has a structure in which a prime mover, a generator, and the like are housed in a casing (package). And in order to discharge | release the heat | fever and exhaust gas which generate | occur | produced from the motor | power_engine and generator inside a housing | casing outside, an exhaust port is provided in a housing | casing (mainly the ceiling part of a housing | casing).
  The size of the opening of the exhaust port is determined according to the power generation device. For example, when a large gas turbine is used as a prime mover, a large amount of exhaust gas and exhaust air for ventilation inside the housing are generated, so that the exhaust port is widely formed.
  A door for opening and closing the exhaust port is provided at the exhaust port. For reasons such as vehicle weight restrictions, the door structure is required to be simplified. Therefore, the exhaust port is opened and closed by a door having a sliding door structure (for example, Patent Document 1) or a door having a hinged door structure (for example, Patent Documents 2 and 3).
  As described in Patent Document 1, for example, the door of the sliding door structure is provided with rails on both side edges of the opening of the exhaust port formed in the ceiling of the housing, and the door is provided between the rails. A force along the rail is applied to the door by a roller chain or the like to open and close the exhaust port.
JP-A-10-075549 JP 2001-280585 A JP 2009-214560 A
  However, the door opening / closing structure is required to be further simplified. Simplifying the door opening / closing structure facilitates maintenance and inspection work of the door opening / closing structure. Further, since devices such as a prime mover and a generator are provided in the housing of the power generation device, a door opening / closing structure that does not restrict the arrangement of these devices is required.
  In view of the above circumstances, an object of the present invention is to provide a technique that contributes to simplification of a door opening and closing mechanism of a power generation device having a housing.
  One aspect of the power generator of the present invention that achieves the above object is formed on a generator, a prime mover that drives the generator, a casing that houses the generator and the prime mover, and a ceiling portion of the casing. Rails attached to both side edges of the exhaust outlet, a door provided between the rails, sliding on the rail, a link mechanism for moving the door along the rail, and driving the link mechanism A power generation device that opens and closes the exhaust port by moving the door on the rail, and the link mechanism is rotatable at least at one end to the housing. The first link is supported, and the second link is rotatably supported by the first link, and one end of the second link is provided so as to be movable in a direction perpendicular to the moving direction of the door. The drive device is connected to one of the second links. It is characterized in that connecting to the part.
  In addition, another aspect of the power generator of the present invention that achieves the above object includes a generator, a prime mover that drives the generator, a casing that houses the generator and the prime mover, and a ceiling of the casing. Rails attached to both side edges of the exhaust port formed in the section, a door provided between the rails, sliding on the rail, a link mechanism for moving the door along the rail, and the link And a drive device that drives the mechanism, wherein the door moves on the rail to open and close the exhaust port, and the link mechanism is at least one end of the housing. A first link that is rotatably supported, and a second link that is rotatably supported by the first link and has one end portion movable in a direction perpendicular to the movement direction of the door. And the drive device is configured to To provided, the driving device is characterized in that for opening and closing of the door by rotating the first link.
  According to another aspect of the power generator of the present invention that achieves the above object, in the power generator, a rolling bearing having a rotation axis perpendicular to a bottom surface of the rail is provided on a side portion of the door. It is said.
  According to the above invention, it can contribute to simplification of the opening and closing structure of the door of a power generator.
It is a top view of the door part of the electric power generating apparatus which concerns on 1st Embodiment of this invention. (A) AA arrow view of the power generator shown in FIG. 1, (b) BB cross-sectional view of the power generator shown in FIG. 2 (a), (c) Power generation shown in FIG. 2 (a) It is CC sectional drawing of an apparatus. It is explanatory drawing explaining operation | movement of the door of the electric power generating apparatus which concerns on 1st Embodiment of this invention, (a) The figure which shows the state which the door closed, (b) The figure which shows the state in which the door opened. (A) The side view of the door 4 of the electric power generating apparatus which does not have the bearing 9, (b) DD sectional drawing of the electric power generating apparatus shown to Fig.4 (a). It is a top view of the door part of the electric power generating apparatus which concerns on 2nd Embodiment of this invention. It is a side view of the mobile power supply vehicle which concerns on a prior art.
  The power generator of the present invention will be described in detail with reference to the drawings. The power generation device of the present invention is a power generation device in which a prime mover or a generator is housed in a housing, and has a feature in a door structure that opens and closes an exhaust port formed in the housing. Therefore, the configuration of the prime mover, the generator, etc. and the arrangement in the casing are the same as those of the power generation apparatus according to the prior art as shown in FIG. Will be described in detail.
[First Embodiment]
As shown in FIG. 1, the power generation device 1 according to the first embodiment of the present invention includes a housing 2, a door 4 that can open and close an exhaust port 3 formed in a ceiling portion of the housing 2, And a link mechanism 5 that opens and closes.
  As described with reference to FIG. 6, the housing 2 houses a generator (not shown), a prime mover that drives the generator, and the like. As shown in FIG. 1, an exhaust port 3 is formed in front of the ceiling portion of the housing 2 (in the direction of the arrow), and exhaust air from the prime mover and cooling air that cools the prime mover (and the generator, etc.) are discharged. . Further, rails 6 are attached to both side edges of the exhaust port 3. The rail 6 extends rearward from the rear edge of the exhaust port 3. In the description of the embodiment, the direction in which the power generation device 1 is moved, that is, the direction in which the cab portion and the towing vehicle are provided will be described as the front. That is, in FIG. 1, a driver's cab portion or a towing vehicle (not shown) is provided in the arrow direction of the housing 2 of the power generation device 1.
  The door 4 is supported between the rails 6 so as to be slidable on the rails 6. As shown in FIG. 2A, a slide plate 7, a bearing 8, and a bearing 9 are provided on the door side portion 4 a that extends vertically downward from both ends of the main surface 4 b of the door 4. As shown in FIG. 2B, the door 4 covers the frame 3a that is the opening edge of the exhaust port 3, and the exhaust port 3 is closed.
  As shown in FIG. 1, six slide plates 7 are provided on each side of the door side portion 4 a (the side portion of the door 4 facing the side surface of the rail 6).
  As shown in FIG. 2B, the slide plate 7 is provided closer to the upper side of the door side portion 4a (biased in the direction of the main surface 4b). The slide plate 7 is slidable with a sliding portion 6b formed projecting from the rail side surface 6a, and suppresses lateral displacement of the door 4 when the door 4 is opened and closed, and the rail side surface 6a and the door 4 Reduce the contact resistance. A lubricant such as grease is applied to the contact surface between the sliding portion 6 b and the slide plate 7.
  The bearings 8 are, for example, rolling bearings such as ball bearings, and as shown in FIG. The bearing 8 receives the load in the vertical direction of the door 4 and reduces the contact resistance between the rail bottom surface 6 c and the door 4.
  As shown in FIG. 2B, the bearing 8 is provided on the lower side of the door side portion 4a. In the example of FIG. 2, the bearing 8 is provided on the door side portion 4 a and below the slide plate 7. The rotating shaft 8a of the bearing 8 is screwed in a state protruding from the door side portion 4a. A bearing spacer 8b and a bearing 8 are provided on the rotating shaft 8a. The outer ring of the bearing 8 is supported so that the outer peripheral surface thereof is in contact with the rail bottom surface 6c, and rotates around the rotation shaft 8a. Further, a holding pin 8c for preventing the bearing 8 from coming off is provided at the tip of the rotating shaft 8a. A lubricant such as grease is applied to the contact surface between the bearing 8 and the rail bottom surface 6c.
  The bearings 9 are, for example, rolling bearings such as ball bearings, and three are provided on each side of the door side portion 4a as shown in FIG. The bearing 9 receives the load in the horizontal direction of the door 4 (the load acting on the rail side surface 6 a), and reduces the contact resistance between the rail side surface 6 a and the door 4.
  As shown in FIG. 2 (c), the rotation shaft 9a of the bearing 9 is screwed in a state of projecting vertically downward from the upper side of the fixing bracket 11 having a U-shaped longitudinal section having an opening in the rail side surface 6a direction. Is done. That is, the rotating shaft 9a is fixed to the door side portion 4a so as to be perpendicular to the rail bottom surface 6c. A bearing spacer 9b and a bearing 9 are provided on the rotating shaft 9a. The outer ring of the bearing 9 is supported so that the outer peripheral surface thereof can come into contact with the rail side surface 6a, and rotates around the rotation shaft 9a. Further, a holding pin 9c for preventing the bearing 9 from coming off is provided at the tip of the rotating shaft 9a. A lubricant such as grease is applied to the contact surface between the bearing 9 and the rail side surface 6a. The door side portion 4a is provided with a U-shaped bracket 12 having an opening in the direction of the rail side surface 6a. By screwing the lower side portion of the fixing bracket 11 to the lower side portion of the bracket 12, A bearing 9 is supported by the door 4.
  As shown in FIG. 1, the link mechanism 5 is provided inside the door 4 (between the door 4 and the housing 2). An actuator 10 such as a power cylinder (stroke motor) is connected to the link mechanism 5, and the driving force of the actuator 10 is transmitted to the door 4 through the link mechanism 5 so that the door 4 is opened and closed. In addition, since the link mechanism 5 and the actuator 10 are provided inside the door 4, in the top view of the actual power generator 1, the link mechanism 5 and the actuator 10 are hidden by the door 4, but are described with a solid line for convenience of explanation. doing.
  The link mechanism 5 is configured by, for example, a plurality of links (first link 5a to sixth link 5f) having the same length.
  One end of the first link 5 a is rotatably supported by a support portion 13 provided on the ceiling portion of the housing 2, and is provided so as to extend obliquely rearward from the support portion 13. One end of the third link 5c is rotatably supported on the other end of the first link 5a. Moreover, the center part of the 2nd link 5b is rotatably supported by the center part of the 1st link 5a.
  The second link 5 b is supported so that one end thereof is located behind the support portion 13 in the movement direction of the door 4. One end of the fourth link 5d is rotatably supported by one end of the second link 5b. Further, the other end of the second link 5b is located in front of the door 4 in the moving direction from the other end of the first link 5a, and is slidably supported by a guide 14 provided on the ceiling of the housing 2. Is done. The guide 14 is, for example, a member extending in a direction perpendicular to the moving direction of the door 4 or a groove formed so as to extend in a direction perpendicular to the moving direction of the door 4. An actuator 10 is provided at the other end of the second link 5 b, and the other end of the second link 5 b reciprocates along the guide 14 in accordance with the reciprocation of the actuator 10.
  The central portion of the third link 5c and the central portion of the fourth link 5d are supported rotatably with respect to each other. In addition, the third link 5c is arranged such that the other end portion is located rearward in the movement direction of the door 4 from the connection point between the second link 5b and the fourth link 5d. The other end of the fourth link 5d is arranged so as to be located rearward in the movement direction of the door 4 from the connection point between the first link 5a and the third link 5c. Then, the other end of the third link 5c and the other end of the fourth link 5d are rotatably supported by one end of the fifth link 5e and one end of the sixth link 5f, respectively.
  The other end of the fifth link 5e is located rearward in the movement direction of the door 4 from the connection point between the fourth link 5d and the sixth link 5f, and is slidable on the guide 15 provided inside the door 4. Supported. The guide 15 is, for example, a member extending in a direction perpendicular to the moving direction of the door 4 or a groove formed so as to extend in a direction perpendicular to the moving direction of the door 4. The central portion of the sixth link 5f is rotatably supported by the central portion of the fifth link 5e.
  The other end of the sixth link 5f is positioned rearward in the movement direction of the door 4 from the connection point of the third link 5c and the fifth link 5e, and is rotatably supported by a support portion 16 provided inside the door 4. Is done.
  Next, the operation of the link mechanism 5 when the door 4 is opened from the closed state with reference to FIG. 3A, and the operation when the door 4 is closed from the opened state with reference to FIG. Each operation of the link mechanism 5 will be described. In FIGS. 3A and 3B, the actuator 10 is not shown for easy viewing of the drawings.
  As shown in FIG. 3A, when the door 4 is opened, the actuator 10 pulls the other end portion of the second link 5b in the direction of the support portion 13 (indicated by an arrow in the figure). Then, the connection point between the first link 5a and the third link 5c and the connection point between the second link 5b and the fourth link 5d move backward, and the connection point between the first link 5a and the third link 5c is the second link. It moves in the direction of the connection point between 5b and the fourth link 5d. Similarly, the connection point between the fourth link 5d and the sixth link 5f and the connection point between the third link 5c and the fifth link 5e are moved backward, and the connection point between the fourth link 5d and the sixth link 5f is the first connection point. It moves in the direction of the connection point between the third link 5c and the fifth link 5e. As a result, the other end of the fifth link 5e and the other end of the sixth link 5f press the door 4 and move backward, so that the door 4 slides on the rail 6 and moves backward, 4 is in an open state (the state shown in FIG. 3B).
  On the other hand, when the door 4 is closed, as shown in FIG. 3 (b), the actuator 10 biases the other end of the second link 5b away from the support portion 13 (indicated by an arrow in the figure). . As a result, the door 4 slides on the rail 6 and moves forward by an operation reverse to that when the door 4 is opened, and the door 4 is closed (the state shown in FIG. 3A).
  According to the power generation device 1 according to the first embodiment of the present invention as described above, the door 4 can be opened and closed by a simple mechanism by providing the link mechanism 5 in the structure for opening and closing the door 4. As a result, maintenance / inspection work of the opening / closing structure of the door 4 is facilitated.
  Further, by providing the link mechanism 5, the door 4 can be moved a long distance by the actuator 10 having a short operation. That is, it is not necessary to provide an actuator that moves by the moving distance of the door 4 according to the moving distance of the door 4.
  Further, by connecting the actuator 10 to the end of the link (second link 5b) constituting the link mechanism 5, the door 4 can be moved a long distance with the actuator 10 having a shorter stroke. Since the operation of the actuator 10 is a motion of reciprocating the link (the end of the second link 5b) in the linear direction, the power of the actuator 10 is efficiently transmitted to the link mechanism 5 (and the door 4), and the door 4 is opened and closed. The operation becomes smoother. Moreover, since the actuator 10 does not rotate according to the opening / closing operation | movement of the door 4, the maintenance and inspection work of the electric power generating apparatus 1 are reduced.
  In addition, the link mechanism 5 is disposed along the main surface 4b of the door 4 and performs an operation of expanding and contracting in the moving direction of the door 4. Therefore, a generator, a motor and other devices provided in the housing 2 and an exhaust duct The link mechanism 5 can be arranged without restricting the arrangement.
  In addition, since the two mechanisms of the door 4 are pressed (or pulled) by the operation of the single actuator 10 by the operation of the link mechanism 5, the door 4 can be moved along the rail 6. Twist and lateral displacement of the door 4 can be suppressed. Furthermore, since the two locations of the door 4 are pressed (or pulled) simultaneously according to the operation of the link mechanism 5, the control that synchronizes the actuators required when the actuators are provided on both sides of the door 4 is synchronized. Is no longer necessary.
  Moreover, the movement resistance between the door 4 and the rail 6 can be reduced by providing the bearing 9 in the door side part 4a. As a result, the opening / closing operation of the door 4 becomes smooth, and the opening / closing operation of the door 4 can be smoothly performed even when the operation mechanism of the door 4 is simplified.
  As shown in FIG. 4, when the slide plate 7 receives a load in the lateral direction (perpendicular to the side surface of the rail 6) without providing the bearing 9, the lubricant applied to the slide plate 7 portion. Is easily dropped from the sliding portion of the slide plate 7 due to the influence of rain water and gravity. If the lubricant between the rail 6 and the door 4 is insufficient, the movement resistance of the door 4 increases and the actuator 10 may be overloaded. Therefore, in order to prevent the actuator 10 from being overloaded, the lubricant is managed and maintained. In the unlikely event that the lubricant runs out, the lubricant must be applied again, but the operation of applying the lubricant between the rail 6 on the roof of the housing 2 and the door 4 becomes difficult. There is a fear. In addition, due to the processing accuracy of the door 4 and the processing accuracy of the housing 2 (and the rail 6), when the door 4 and the rail 6 are installed poorly or when the link mechanism 5 is operated, the force of the link mechanism 5 is reduced. Even when the door 4 is opened and closed while being bent on one side of the door 4, the movement resistance of the door 4 increases and the actuator 10 may be overloaded.
  On the other hand, when the bearing 9 receives a load acting in a direction perpendicular to the side surface of the door 4, the door 4 is prevented from being twisted or laterally displaced, and the movement generated between the side surface of the door 4 and the side surface of the rail 6 Resistance is reduced. Thereby, even when the door 4 is opened and closed by a simple mechanism, the door 4 can be opened and closed smoothly. Further, by providing the bearing 9, it is possible to reduce the management and maintenance work of the lubricant for the purpose of preventing the actuator 10 from being overloaded. For example, even when the temperature is below freezing in winter and no lubricant is applied between the door 4 and the rail 6, the door 4 can be opened and closed smoothly, and maintenance work for the power generator 1 is performed. Can be reduced. The bearing 9 (and the bearing 8) can be operated without applying a lubricant, but the movement resistance of the door 4 can be further reduced by applying the lubricant. Further, since the bearing 9 (and the bearing 8) is a rolling bearing, the state in which the lubricant is applied can be maintained for a longer time than the sliding bearing.
  Further, by reducing the movement resistance of the door 4 by the bearing 9, the door 4 can be smoothly operated even when the actuator 10 is connected to the tip of the second link 5b. That is, when the actuator 10 is connected to the distal end portion of the second link 5b, the force to push the door 4 in the moving direction is reduced when starting the opening operation of the door 4, but the movement resistance of the door 4 is reduced by the bearing 9. If it is done, the door 4 will operate | move smoothly.
[Second Embodiment]
The power generator 17 according to the second embodiment of the present invention will be described in detail with reference to FIG. The power generation device 17 according to the second embodiment of the present invention is the same as the power generation device 1 according to the first embodiment except that the actuator 18 is connected to the first link 5a. Therefore, the same code | symbol is attached | subjected to the same structure as the electric power generating apparatus 1 which concerns on 1st Embodiment, detailed description is abbreviate | omitted, and a different part is demonstrated in detail.
  As shown in FIG. 5, the power generation device 17 according to the second embodiment of the present invention includes a housing 2, a door 4 that can open and close an exhaust port 3 formed in a ceiling portion of the housing 2, And a link mechanism 5 that performs an opening / closing operation.
  The door 4 is supported between the rails 6 provided on both side edges of the exhaust port 3 so as to be slidable on the rails 6. The door side 4a of the door 4 is provided with a slide plate 7, a bearing 8, and a bearing 9.
  The slide plate 7 suppresses the lateral displacement of the door 4 when the door 4 is opened and closed, and reduces the contact resistance between the rail side surface 6 a and the door 4. The bearing 8 receives the load in the vertical direction of the door 4 and reduces the contact resistance between the rail bottom surface 6 c and the door 4. The bearing 9 receives the load in the horizontal direction of the door 4 (the load acting on the rail side surface 6 a), and reduces the contact resistance between the rail side surface 6 a and the door 4.
  The link mechanism 5 is configured by, for example, a plurality of links (first link 5a to sixth link 5f) having the same length. An actuator 18 such as a power cylinder (stroke motor) is connected to the link mechanism 5, and the driving force of the actuator 18 is transmitted to the door 4 through the link mechanism 5, so that the door 4 is opened and closed.
  The actuator 18 is rotatably supported by a support portion 18 a provided in the housing 2. The operating portion of the actuator 18 is rotatably connected to the first link 5a via the connecting portion 18b. The operating portion of the actuator 18 is preferably provided in the vicinity of the center portion of the first link 5a and the portion near the support portion 13 of the first link 5a. Thus, by connecting the link mechanism 5 and the actuator 18 to the door 4, the actuator 18 rotates around the support portion 18 a according to the reciprocating motion of the actuator 18, and the driving force of the actuator 18 is changed to the link mechanism. 5 is transmitted to the door 4 through the door 5, and the door 4 is opened and closed. In addition, if the operation part of the actuator 18 is a form connected to the 1st link 5a, you may connect to the connection part of the 1st link 5a and the 2nd link 5b.
  The opening / closing operation of the link mechanism 5 in the power generation device 17 of the second embodiment is the same as that of the power generation device 1 of the first embodiment, and the door 18 is opened by the actuator 18 rotating the first link 5a clockwise, The door 4 is closed by rotating the first link 5a counterclockwise.
  As described above, according to the power generation device 17 according to the second embodiment of the present invention, similarly to the power generation device 1 according to the first embodiment, by providing the link mechanism 5 in the structure for opening and closing the door 4, it is simple. The door 4 can be opened and closed by a simple mechanism. As a result, maintenance / inspection work of the opening / closing structure of the door 4 is facilitated. Further, by providing the link mechanism 5, the door 4 can be moved a long distance by the actuator 18 having a short operation.
  Compared with the power generator 1 according to the first embodiment, the power generator 17 according to the second embodiment connects the operation unit of the actuator 18 to a position near the support portion 13 of the first link 5a. The stroke distance of the actuator 18 necessary for opening and closing the door is increased, but the torque acting on the first link 5a is reduced. As a result, even when a link with low mechanical strength is used, the link mechanism 5 can be operated smoothly without the link bending. Further, even when the door 4 is heavy, the door 4 can be opened and closed without bending the link.
  Further, similarly to the power generation device 1 of the first embodiment, by providing the bearing 9, the door 4 can be opened and closed smoothly, and the maintenance and management work of the lubricant between the door 4 and the rail 6 can be reduced. Can do.
  The power generation apparatus of the present invention has been described in detail with reference to specific examples. However, the power generation apparatus of the present invention is not limited to the above-described embodiment, and can be appropriately changed in design without impairing the characteristics of the present invention. .
  For example, the link mechanism 5 is not limited to the embodiment, and the link mechanism of the mechanism in which the end portion of the other link moves away from the support portion 13 of the first link 5a according to the rotational movement of the first link 5a. Can be used. That is, the number of links constituting the link mechanism 5 is not limited to the embodiment, and a necessary number is appropriately selected in consideration of the stroke distance of the actuators 10 and 18 and the movement distance of the door 4. .
  Further, the number of the bearings 9 is not limited to a form in which three are provided on each side surface of the door 4, and a necessary number may be provided as appropriate. In particular, by providing the door 4 near the corner, the door 4 can be effectively prevented from being twisted or laterally displaced. Further, by providing the bearing 9 in the vicinity of the bearing 8, it is possible to effectively prevent the tip of the bearing 8 from contacting the side surface of the rail 6.
  In the description of the embodiment, the slide plate 7 and the bearing 9 are provided in consideration of the backlash of the door 4 and the housing 2. However, as a member that receives the load in the horizontal direction of the door 4. Either the slide plate 7 or the bearing 9 may be provided.
  Further, if the power generation device of the present invention is a power generation device having a housing, in addition to a mobile power supply vehicle in which the driver's seat and the housing are integrated, a mobile power supply vehicle that pulls the housing with a towing vehicle, The present invention can be applied to a door that opens and closes an exhaust port of a power generation device in which a prime mover, a generator, or the like is housed in a casing, such as a stationary power generation device to be installed.
DESCRIPTION OF SYMBOLS 1,17 ... Power generator 2 ... Housing 3 ... Exhaust port 3a ... Frame 4 ... Door 4a ... Door side part, 4b ... Main surface 5 ... Link mechanism 5a ... First link, 5b ... Second link, 5c ... Third Link, 5d ... 4th link, 5e ... 5th link, 5f ... 6th link 6 ... Rail 6a ... Rail side surface, 6b ... Sliding part, 6c ... Rail bottom surface 7 ... Slide plate 8 ... Bearing 8a ... Rotating shaft, 8b ... Bearing spacer, 8c ... Pressing pin 9 ... Bearing 9a ... Rotating shaft, 9b ... Bearing spacer, 9c ... Pressing pin 10, 18 ... Actuator (drive device)
DESCRIPTION OF SYMBOLS 11 ... Fixing bracket 12 ... Brackets 13, 16 ... Support part 14, 15 ... Guide 18a ... Support part, 18b ... Connection part

Claims (3)

  1. A generator, a prime mover for driving the generator, a casing for housing the generator and the prime mover, rails attached to both side edges of an exhaust port formed in a ceiling portion of the casing, A door that is provided between the rails and slides on the rail; a link mechanism that is disposed along the main surface of the door; and that moves the door along the rail; and a drive device that drives the link mechanism; And the door moves on the rail to open and close the exhaust port,
    Provided on the side of the door with two types of bearings and a slide plate that receive a vertical load and a horizontal load of the door,
    The link mechanism includes a first link having at least one end rotatably supported by the casing, and is rotatably supported by the first link. One end of the link mechanism is perpendicular to the moving direction of the door. A second link provided to be movable in the direction,
    The power generator is connected to the one end of the second link.
  2. A generator, a prime mover for driving the generator, a casing for housing the generator and the prime mover, rails attached to both side edges of an exhaust port formed in a ceiling portion of the casing, A door that is provided between the rails and slides on the rail; a link mechanism that is disposed along the main surface of the door; and that moves the door along the rail; and a drive device that drives the link mechanism; And the door moves on the rail to open and close the exhaust port,
    Provided on the side of the door with two types of bearings and a slide plate that receive a vertical load and a horizontal load of the door,
    The link mechanism includes a first link having at least one end rotatably supported by the casing, and is rotatably supported by the first link. One end of the link mechanism is perpendicular to the moving direction of the door. A second link provided to be movable in the direction,
    The power generation device, wherein the drive device is provided on the first link, and the drive device rotates the first link to open and close the door.
  3. The power generation device according to claim 1 or 2, wherein the two types of bearings are arranged side by side in a moving direction of the door .
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JPS6345371Y2 (en) * 1981-03-14 1988-11-25
JPS57171066U (en) * 1981-04-22 1982-10-28
JPH02283327A (en) * 1989-04-26 1990-11-20 Katsuji Norizuki Driving gear for opening or closing door for altar
JPH0882191A (en) * 1994-09-12 1996-03-26 Kubota Corp Propelling method and propelling equipment
JP3331453B2 (en) * 1996-08-30 2002-10-07 デンヨー株式会社 Exhaust system for mobile power vehicles
JP2000135650A (en) * 1998-10-30 2000-05-16 Nippei Toyama Corp Door switchgear of machine tool
JP4366824B2 (en) * 2000-03-29 2009-11-18 株式会社明電舎 Power generator
JP5042620B2 (en) * 2006-12-28 2012-10-03 株式会社吉田製作所 Partition lifting mechanism
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