JP2008296876A - Work vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a work vehicle which has improved workability and in which cleaning and maintenance of a front face of a radiator can be easily performed even though an installation space from a battery is narrow in a hood. <P>SOLUTION: The battery 22 is arranged near an end in the hood 5, and the battery 22 is slidably arranged by a sliding device 31 provided in the hood 5. The sliding device 31 has a lower rail 32 provided between a lower part of the battery 22 and vicinity of the end of the hood 5, and a positioning mechanism 34 to fix a sliding position of the battery 22. The battery 22 is fixed to an upper rail 33. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a work vehicle including a battery in the vicinity of an end portion in a bonnet, and more particularly to providing a battery slidably by a sliding device provided in the bonnet.

  In a conventional work vehicle, for example, a radiator is fixedly disposed in a hood at the front of the vehicle and immediately in front of the engine disposed in the vicinity of the rear of the bonnet, and a battery is disposed at a position immediately in front of the radiator. Some are fixed. (Patent Documents 1 and 2)

JP 2007-76557 A JP 2006-273309 A

However, in such work vehicles, the installation interval between the radiator and the battery is very narrow due to the limited space in the bonnet, and when performing cleaning or maintenance on the front of the radiator, the work is performed because the clearance is narrow. There is a problem that it is not easy to perform, and in some cases, a cumbersome and time-consuming work such as mounting / removing a battery having a fixed and fixed weight is required each time, resulting in poor workability.
SUMMARY OF THE INVENTION An object of the present invention is to provide a work vehicle with improved workability that can easily perform cleaning and maintenance of the front surface of a radiator having a narrow installation interval with a battery in a bonnet.

  For this reason, the invention described in claim 1 is a work vehicle including a battery in the vicinity of an end portion in the bonnet, wherein the battery is slidably provided by a sliding device provided in the bonnet. .

  According to a second aspect of the present invention, in the work vehicle according to the first aspect, the sliding device includes a rail provided between the lower part of the battery and the vicinity of the end of the bonnet, and the sliding of the battery. A positioning mechanism for fixing the moving position is provided, and the battery is fixed to the rail.

  According to a third aspect of the present invention, in the work vehicle according to the first aspect, the sliding device has a plurality of elongated holes that are provided on the bottom plate of the bonnet and are fitted with attachment members at both ends. A sliding plate, wherein the battery is fixed on the sliding plate.

  According to a fourth aspect of the present invention, in the work vehicle according to the first aspect, the sliding device is a parallel crank plate provided on a bottom plate of the bonnet, and the battery is disposed on the parallel crank plate. It is fixed.

  According to a fifth aspect of the present invention, in the work vehicle according to the first to fourth aspects, the sliding device includes a grip portion.

  According to the first aspect of the present invention, in the work vehicle including the battery in the vicinity of the end portion in the bonnet, the battery is slidably provided by the sliding device provided in the bonnet, so that the installation of the battery and the radiator is performed. Even if the interval is narrow, by sliding the battery to increase the interval between the battery and the radiator and providing a work space in front of the radiator, operations such as cleaning and maintenance of the front surface of the radiator can be facilitated. Therefore, a work vehicle with improved workability can be provided.

  According to the second aspect of the present invention, the sliding device includes a rail provided between the lower part of the battery and the vicinity of the end of the bonnet, and a positioning mechanism for fixing the sliding position of the battery. Since the battery is fixed, the heavy battery is slid on the rail with a small force to widen the distance between the battery and the radiator, and the fixed position of the slid battery is changed by the positioning mechanism. The size of the work space can be set as appropriate. Therefore, a work vehicle with improved workability can be provided.

  According to a third aspect of the present invention, the sliding device is a sliding plate provided on the bottom plate of the bonnet and having a plurality of elongated holes for fitting the attachment members at both ends. Since the battery is fixed on the plate, the heavy battery is slid on the sliding plate with a small force to widen the distance between the battery and the radiator, and the fixed position of the slid battery and the sliding plate is fixed. Can be changed by the mounting member, and the size of the work space in front of the radiator can be set as appropriate. Therefore, a work vehicle with improved workability can be provided.

  According to the invention of claim 4, the sliding device is a parallel crank plate provided on the bottom plate of the bonnet, and the battery is fixed on the parallel crank plate. The space between the battery and the radiator can be widened by sliding with a small force on the plate, and a working space can be provided in front of the radiator. Therefore, a work vehicle with improved workability can be provided.

  According to the fifth aspect of the present invention, since the sliding device includes the grip portion, the operator can easily slide the battery having a weight and a shape that is difficult to grip by grasping the grip portion of the sliding device. It is possible to increase the distance between the battery and the radiator and perform operations such as cleaning and maintenance of the front surface of the radiator. Therefore, a work vehicle with improved workability can be provided.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
FIG. 1 is a left side view of a wheel tractor as a work vehicle according to an embodiment of the present invention, FIG. 2 is a plan view of the tractor, and FIG. 3 is a schematic left side view of the inside of a bonnet.

  A tractor 1 which is a working vehicle of this example includes a front wheel 3 and a rear wheel 4 before and after a body frame 2, a bonnet 5 is formed above the front wheel 3, and an engine 6 and a clutch housing as a prime mover portion are formed inside the hood 5. 7 and a transmission case 8 is disposed at the rear of the clutch housing 7, and the power from the engine 6 is transmitted to the front wheels 3 and the rear wheels 4. A cabin 9 is provided on the body frame 2 continuously to the rear part of the bonnet 5. In addition, the tractor 1 may be a lops specification in addition to the cabin specification as described above.

  Next, an operating pedal 10 such as a brake pedal or a clutch pedal, a steering handle 11, a seat 12 and the like are provided in the cabin 9 as a vehicle operating unit. Further, various operation levers 14 such as a main transmission lever, a sub transmission lever, and a PTO transmission lever are provided on the left and right fenders 13 provided on both sides of the seat 12 in a protruding manner. And the windshield 15, the rear glass 16, the door 17, the roof 18, etc. may be attached to the outer periphery of the cabin 9, respectively. Also, below the cabin 9, an elevating step 19 for the driver to get on and off the cabin 9 is fixed to the body frame 2.

  The power from the engine 6 is transmitted to a PTO shaft (not shown) protruding from the rear end of the transmission case 8, and from this PTO shaft via a work equipment mounting device 20 such as a universal joint or a three-point link type (not shown). A working machine (not shown) attached to the rear end of the vehicle is driven. Further, as shown in FIG. 3, the inside of the bonnet 5 is on a bottom plate 21 installed on the machine body frame 2 and the engine 6 is installed in the rear part. The battery 22 as the main part and the radiator 23 are arranged at a narrow interval. Reference numeral 24 is a muffler provided with an exhaust pipe for discharging exhaust gas from the engine 6, and reference numeral 25 is an air cleaner for taking in air necessary for assisting combustion of the engine 6 provided with an intake pipe.

  Next, a specific configuration of the battery sliding device will be described. 4 is a perspective view from above showing a sliding device below the battery, FIG. 5 is a left side view of the front part of the vehicle with the bonnet showing the sliding of the battery pulled up, and FIG. 6 uses a sliding plate. The perspective view which looked at the front part in the bonnet which shows the normal installation state (a) and sliding state (b) which were seen from the front, FIG. 7 is the normal installation state of the sliding device using a parallel crank board It is the perspective view which looked at the front part in the bonnet which shows (a) and a sliding state (b) from the front.

  As shown in FIG. 4, the battery sliding device 31 of this example includes a metal (not limited) lower rail 32, upper rail 33, positioning mechanism 34, and the like. First, each of the batteries 22 mounted on the bottom plate 21 in the left-right direction from the vicinity of the vehicle left-right end of the battery 22 at a fixed position (normal installation position) to the front end 2a of the vehicle body frame 2 in the vehicle traveling direction. On the lower rail 32, an upper rail 33 having a length approximately equal to or slightly shorter than the length of the battery 22 in the front-rear direction is provided so as to be slidable in the vehicle front-rear direction.

  The installation length of the lower rail 32 is not limited to the above, and may be up to the vicinity of the front end of the bottom plate 21 depending on the size of the battery 22, for example. Further, when the lower rail 32 is installed in front of the front end of the bottom plate 21, the lower end portion of the bonnet 5 positioned at the lower rail 32 is formed along the shape of the lower rail 32, so that the bonnet 5 can be opened and closed. It is set as the structure which is not inhibited.

  On the upper rail 33, the battery 22 is attached by a fixing tool, and a positioning mechanism 34 is provided on the inner side of the upper rail 33 on either the left or right side (right upper rail 33 in FIG. 4). A latch plate 35 having a plurality of fitting grooves 35a arranged in a narrow space is provided. Further, a grip portion 36 is attached to the front ends of the left and right upper rails 33 so as to connect the upper rails 33.

  A rod 38 provided with a grip portion 38a at the front end rotates between the left and right upper rails 33 and between the front and rear stays 37 erected on the bottom plate 21 at a height that does not contact the upper battery 22. Mounted movably. The rod 38 is fixedly provided with a fitting member 39 to be fitted in the fitting groove 35a of the latch plate 35 in the middle, and is further erected on the bottom plate 21 in a concave portion near the rear end of the rod 38. The other end of the elastic body 41 such as a spring that attaches one end to the stay 40 and gives a fitting force to the fitting groove 35a of the latch plate 35 is attached.

  Here, when performing operations such as cleaning and maintenance of the front surface of the radiator 23, as shown in FIG. 5, after opening the bonnet 5, the operator first holds the grip 38 a of the rod 38, for example, on the left side of the vehicle The fitting member 39 fitted in the fitting groove 35a at the rearmost part of the latch plate 35 corresponding to the fixed position of the battery 22 is tilted in the direction (rightward of the vehicle). Is removed from the fitting groove 35a with the rotation.

  Next, the operator slides the battery 22 in the vehicle front direction by holding the grip portion 36 and sliding the upper rail 33 on the lower rail 32 while tilting the grip portion 38a. Then, the battery 22 is separated from the radiator 23 to an appropriate position between the vicinity of the front end of the lower rail 32, and when a desired work space is generated in front of the radiator 23, the operator holds the hand of the grip portion 38a of the rod 38. When released, the fitting member 39 is fitted into the fitting groove 35a on the front side of the latch plate 35 corresponding to the sliding position of the battery 22 as the rod 38 is rotated by the urging force of the elastic body 41. The position of the battery 22 is fixed.

  In addition, when it is desired to change the size of the work space in front of the radiator 23 (the separation distance between the battery 22 and the radiator 23), the upper rail 33 is placed in the vehicle front direction (when the work space is widened) or the vehicle rear as described above. The battery 22 is fixed to the position by sliding in the direction (when the work space is narrowed) and fitting the fitting member 39 into the fitting groove 35a of the latch plate 35 corresponding to the position. The battery 22 is fixed by fitting a fitting member 39 into the foremost fitting groove 35a of the latch plate 35, but the upper rail 33 and the battery 22 drop off near the front end of the lower rail 32. You may provide the stopper etc. which are not shown in order to prevent this.

  When the operations such as cleaning and maintenance of the front surface of the radiator 23 are completed, the operator tilts the grip portion 38a of the rod 38 in the same manner as described above to fix the battery 22 in the sliding position. The fitting member 39 fitted into the fitting groove 35a is detached from the fitting groove 35a, and the upper rail 33 is slid in the vehicle rear direction by grasping the grip portion 36, so that the battery 22 is moved in the vehicle rear direction. Slide to the normal installation position. Then, by releasing the grip portion 38 a of the rod 38, the fitting member 39 is fitted into the fitting groove 35 a at the rearmost portion of the fitting groove 35 a in the latch plate 35 through the rod 38 by the biasing force of the elastic body 41. The battery 22 is fixed at the normal installation position.

  With such a configuration, the battery 22 having a heavy weight can be easily slid with a small force by the upper rail 33 slidably provided on the lower rail 32, and the distance between the battery 22 and the radiator 23 can be reduced. The working space can be provided in front of the radiator 23. Furthermore, the battery 22 can be fixed at an arbitrary sliding position by the positioning mechanism 34, and the operator can provide an arbitrary work space in front of the radiator 23. Further, since the gripping portion 36 is provided on the upper rail 33, the operator can easily slide the battery 22 having a weight and a shape that is difficult to grip by gripping the gripping portion 36.

  Further, the sliding device 31 ′ may use a sliding plate. In this case, for example, as shown in FIG. 6 (a), a metal having an appropriate thickness slightly wider than the left and right widths of the battery 22 on the bottom plate 21 below the battery 22 in a fixed position (not limited). ) And the like are provided. Note that the front end of the sliding plate 41 has a range from the front end of the bottom plate 21 to the front end of the body frame 2 even though it is behind the front end of the bottom plate 21 shown in FIG. Also good.

  The sliding plate 41 is provided with attachments such as a bolt with a handle that penetrates through a long hole 42 provided at four corners in the vicinity of the front, rear, left and right ends and a hole 43 provided in the bottom plate 21 located immediately below the long hole 42. The member 44 is fixed on the bottom plate 21. In addition, a plurality of long holes 42a are provided at the same position on the left and right sides with an appropriate interval between the front and rear of the long holes 42 in the vicinity of the left and right end portions of the sliding plate 41. The attachment position and the number of attachment members 44 are not limited.

  The battery 22 is mounted on the sliding plate 41 with a fixing tool (not shown), and a grip portion 36 ′ is provided at the front end of the sliding plate 41. Furthermore, the front view reverse L having an appropriate length at a position that does not prevent the sliding movement of the sliding plate 41 in the front-rear direction on the bottom plate 21 along, for example, the left and right end portions of the sliding plate 41. Character-shaped left and right guide plates 45 are erected.

  Here, when the battery 22 is slid in the same manner as described above, the mounting members 44 fixed at the four corners of the sliding plate 41 are all removed, and the operator holds the gripping portion 36 as shown in FIG. 'And the sliding plate 41 is slid along the left and right guide plates 45, for example, in the vehicle front direction. Then, in the vicinity of the sliding position of the sliding plate 41 where a desired working space is generated in front of the radiator 23, the slot 42 on the rear side of the sliding plate 41 and the front side of the bottom plate 21 coincide with each other on the left and right sides. The part-side hole 43 is fixed by the attachment member 44, and the sliding plate 41 is fixed on the bottom plate 21 so that the sliding position can be changed.

  When the work such as cleaning and maintenance of the front surface of the radiator 23 is finished and the battery 22 is slid to the original position, the mounting member 44 fixed at the left and right positions is removed, and the operator holds the grip portion 36 '. After grasping and sliding the sliding plate 41 along the left and right guide plates 45, for example, to the normal installation position in the rearward direction of the vehicle, the four corners of the sliding plate 41 are fixed with the mounting members 44, The battery 22 is fixed at the normal installation position.

  With this configuration, the heavy battery 22 is easily slid by the sliding plate 41 with a small force, the distance between the battery 22 and the radiator 23 is increased, and a work space is provided in front of the radiator 23. Can be provided. Furthermore, the battery 22 can be fixed at an arbitrary sliding position by fixing the attachment member 44 through the elongated hole 42 of the sliding plate 41 and the hole 43 of the bottom plate 21 that are arbitrarily matched. The operator can provide an arbitrary work space in front of the radiator 23. In addition, since the grip portion 36 ′ is provided at the front end of the sliding plate 41, the operator can easily slide the battery 22 having a weight and a shape that is difficult to grip by grasping the grip portion 36 ′. The guide member for sliding the sliding plate 41 is not limited to the above-described left and right guide plates 45. For example, the bottom plate 21 has a length in the vehicle front-rear direction, and the mounting member for the sliding plate 41 A guide hole (not shown) or the like that allows the slide 44 to slide may be formed.

  Further, the sliding device 31 ″ may use a parallel crank plate. In this case, for example, as shown in FIG. 7A, a metal having an appropriate thickness that is a little wider than the left and right widths of the battery 22 fixed on the bottom plate 21 below the battery 22 at the normal installation position. A parallel crank plate 52 having the same width as the fixed plate 51 is superimposed on a fixed plate 51 made of (not limited to), and the fixed plate 51 is arranged in the vehicle front-rear direction on both the left and right sides of the fixed plate 51 and the parallel crank plate 52. 51 and a parallel crank plate 52 are connected, and a four-bar mechanism 53 is provided that allows the parallel crank plate 52 to slide. Since the four-bar mechanism 53 itself is a known technique, a detailed description thereof is omitted.

  The parallel crank plate 52 is fixed to the fixing plate 51 fixed on the bottom plate 21 by being overlapped by a fixing tool 54 such as a bolt with a handle or a hook provided in an appropriate number and at an appropriate number. Further, the battery 22 is mounted on the parallel crank plate 52 with a fixture (not shown), and a grip portion 36 ″ is provided at the front end of the parallel crank plate 52.

  Here, when the battery 22 is slid in the same manner as described above, the operator first removes the fixture 54, grasps the gripping portion 36 ″, and pulls the parallel crank plate 52 forward of the vehicle. 4), the four-joint mechanism 53 rotates the connecting member 53b with the respective rotation shafts 53a as the axis, so that the parallel crank plate 52 is moved forward and obliquely upward from the fixed plate 51, for example. The battery 22 on the parallel crank plate 52 is slid from the normal installation position to the sliding position. Accordingly, the installation interval between the battery 22 and the radiator 23 is widened, and a work space can be provided in front of the radiator 23. Note that the parallel crank plate 52 may be fixed at the sliding position with a fastener such as a hook (not shown) or a stay (not limited) provided between the parallel crank plate 52 and the fixed plate 51, for example. .

  When the operations such as cleaning and maintenance of the front surface of the radiator 23 are completed and the battery 22 is slid to the original position, the operator removes the fasteners, grasps the gripping portion 36 ″, and moves the parallel crank plate. 52 is slid in the vehicle rearward direction so as to be superimposed on the fixing plate 51 and fixed on the fixing plate 51 by the fixing tool 54, so that the battery 22 is fixed at the normal installation position.

  With such a configuration, the heavy battery 22 is easily slid with a small force by the parallel crank plate 52 via the four-bar mechanism 53, and the space between the battery 22 and the radiator 23 is increased. A work space can be provided in front of the radiator 23. Furthermore, since the gripping portion 36 ″ is provided at the front end of the parallel crank plate 52, the operator can easily slide the battery 22 having a weight and a shape that is difficult to grip by grasping the gripping portion 36 ″. it can.

  Note that the sliding direction of the battery 22 by the sliding devices 31, 31 ′, 31 ″ is not limited to the vehicle front-rear direction described above, and may be the left-right direction or the upward direction of the vehicle. Or the battery 22 may be moved from the front of the radiator 23 to provide a work space in front of the radiator 23.

  As described in detail above, the tractor 1 of this example includes the battery 22 in the vicinity of the end in the bonnet 5, and the battery 22 is slid by the sliding devices 31, 31 ′, 31 ″ provided in the bonnet 5. It is prepared to be movable. The sliding device 31 includes a lower rail 32 (rail) provided between the lower side of the battery 22 and the vicinity of the end of the bonnet 5, and a positioning mechanism 34 that fixes the sliding position of the battery 22. The battery 22 is fixed to 33 (rail). The sliding device 31 ′ is a sliding plate 41 provided on the bottom plate 21 of the bonnet 5 and having a plurality of long holes 42 into which the mounting members 44 are fitted at both ends. The battery 22 is fixed on the top. Further, the sliding device 31 ″ is a parallel crank plate 52 provided on the bottom plate 21 of the bonnet 5, and fixes the battery 22 on the parallel crank plate 52. The sliding devices 31, 31 ′, 31 ″ include gripping portions 36, 36 ′, 36 ″.

  In the above-described example, the wheel type tractor (agricultural work vehicle) is described as an example of the work vehicle. However, the present invention is not limited to this, and in addition to the crawler type tractor, the agricultural work vehicle may be a combine or a rice transplanter. The construction work vehicle can be applied to any work vehicle equipped with a bonnet, such as a backhoe, a bulltoza, and other snow removal vehicles.

It is a left view which shows the wheel type tractor as an example of this invention. It is a top view of a wheel type tractor. It is a left side schematic diagram inside a bonnet. It is the perspective view from the upper part which showed the sliding apparatus under a battery. It is a left view of the vehicle front part which pulled up the bonnet which shows the sliding of a battery. It is the perspective view which looked at the front part in the bonnet which shows the normal installation state (a) and sliding state (b) of the sliding apparatus using a sliding plate from the front. It is the perspective view which looked at the front part in the bonnet which shows the normal installation state (a) and sliding state (b) of the sliding apparatus using a parallel crank board from the front.

Explanation of symbols

5 Bonnet 21 Bottom plate 22 Battery 23 Radiator 31, 31 ', 31 "Sliding device 32 Lower rail 33 Upper rail 34 Positioning mechanism 35 Latch plate 35a Fitting groove 36, 36', 36" Grip part 38 Rod 39 Fitting member 41 Sliding plate 42 Long hole 43 Hole portion 44 Mounting member 45 Left and right guide plate 51 Fixed plate 52 Parallel crank plate 53 Four-bar mechanism 53a Rotating shaft 53b Connecting member

Claims (5)

In a work vehicle equipped with a battery near the end in the bonnet,
A work vehicle comprising the battery slidably provided by a sliding device provided in the bonnet.   The sliding device includes a rail provided between the lower side of the battery and the vicinity of the end of the bonnet, and a positioning mechanism for fixing a sliding position of the battery, and fixing the battery to the rail. The work vehicle according to claim 1, wherein:   The sliding device is a sliding plate provided on a bottom plate of the bonnet and having a plurality of long holes for fitting attachment members at both ends, and the battery is fixed on the sliding plate. The work vehicle according to claim 1, wherein:   The work vehicle according to claim 1, wherein the sliding device is a parallel crank plate provided on a bottom plate of the bonnet, and the battery is fixed on the parallel crank plate.   The work vehicle according to claim 1, wherein the sliding device includes a grip portion.

Images