Battery water supply aid for industrial vehicles

Abstract

To provide a battery rehydration aid for an industrial vehicle that can reduce the burden on an operator in the process of replenishing battery purified water in a rehydration tank.SOLUTION: The battery rehydration aid for an industrial vehicle includes a receiver part 61 that receives a water supply container for replenishing battery purified water to a rehydration tank 45 that stores battery purified water for rehydrating a battery mounted on a vehicle body and a support part that supports the receiver part 61. The receiver part 61 is displaceable between an accommodating position where it is accommodated and a use position where it can receive the water supply container. An operator can replenish the battery purified water in the rehydration tank 45 without lifting the water supply container, thereby reducing the burden of the operator.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to an auxiliary device for refilling water into a battery of an industrial vehicle. [Background technology]

[0002] One example of prior art related to auxiliary devices for refilling batteries in industrial vehicles is the battery fluid refilling device for battery-powered industrial vehicles disclosed in Patent Document 1. In this battery fluid refilling device for battery-powered industrial vehicles, the fluid port plugs of each battery cell are interconnected via auxiliary refilling tubes to form a single battery-side refilling tube, which is then constantly connected to a refilling tank and pump unit while the vehicle is in operation via a tank-side refilling tube. When charging begins using a charger, the pump unit installed in the refilling tank is activated to forcibly refill the fluid. The fluid level in each cell is managed by monitoring the refilling pressure with a pressure switch, and if the pressure switch turns off due to an increase in refilling pressure, the refilling process is automatically stopped.

[0003] Therefore, the battery fluid replenishment device for a battery-powered industrial vehicle disclosed in Patent Document 1 is capable of automatically replenishing each cell of the battery with battery fluid (purified battery water) from a refill tank during charging. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2001-210312 Summary of the Invention [Problem to be solved by the invention]

[0005] However, while the battery fluid replenishment device for a battery-powered industrial vehicle disclosed in Patent Document 1 can automatically replenish each battery cell with water from a water replenishment tank, the replenishment of battery purified water into the water replenishment tank must be performed manually. Furthermore, when replenishing the water replenishment tank with battery purified water, the forklift operator must either carry a battery purified water pack weighing 10 kg or more, or transfer 5 kg of battery purified water to a water jug ​​and then hold the jug to replenish the water replenishment tank. In other words, replenishing the water replenishment tank with battery purified water is cumbersome and laborious for the operator. In particular, because the water level difference is used to replenish the water replenishment tank with battery purified water, the operator must lift the water jug ​​higher than the water replenishment tank, which can be extremely difficult for people of short stature or with weak muscles.

[0006] The present invention has been made in consideration of the above problems, and an object of the present invention is to provide an auxiliary device for refilling batteries of industrial vehicles that can reduce the burden on the operator when refilling the refill tank with battery purified water. [Means for solving the problem]

[0007] In order to solve the above problems, the present invention provides a water supply tank that stores purified water for replenishing a battery mounted on a vehicle body, the water supply tank including a receiving base that receives a water supply container that replenishing purified water for replenishing the battery. Ku a support portion for supporting the pedestal portion; Standing board as and, The upright plate has an upper plate portion extending above the refilling water tank, The cradle portion is The receiving portion overlaps with the upper plate portion. be accommodated Position The water container is characterized in that it can be displaced between a storage position and a use position in which it can receive the water container.

[0008] In this invention, since the cradle for receiving the water container is provided near the water tank, the operator can replenish the water container with purified water from the battery without lifting it, thereby reducing the burden on the operator. In addition, since the cradle can be displaced from the use position to the storage position, the cradle does not interfere with the operation of the industrial vehicle.

[0009] In addition, in the auxiliary device for refilling batteries of the above industrial vehicles, ,before The recording stand and the Standing board and the receiving base portion has a hinge portion that connects the Standing board It may be configured to be rotatable relative to the in this case, Standing board The water tank is equipped with a support part. Standing board Therefore, by rotating the cradle portion via the hinge portion, the cradle portion can be switched between the use position and the storage position.

[0011] Furthermore, in the above-mentioned auxiliary device for refilling batteries of industrial vehicles, the refilling tank may have a water inlet through which battery purified water is replenished and a water inlet cap that closes the water inlet, and the receiving base portion may have a through hole that corresponds to the position of the water inlet when in the storage position, and may be configured to be fixed to the refilling tank by the water inlet cap that closes the water inlet when in the storage position with the water inlet inserted through the through hole. In this case, the pedestal is fixed to the refill tank by closing the water inlet with the water inlet cap in the storage position, so there is no need to provide a separate means for fixing the pedestal in the storage position. Also, since the water inlet cap needs to be attached to move the pedestal from the use position to the storage position, it is possible to prevent forgetting to close the water inlet cap. [Effects of the Invention]

[0013] According to the present invention, it is possible to provide an auxiliary device for refilling battery water in an industrial vehicle that can reduce the burden on an operator when refilling a refill tank with purified water for a battery. [Brief explanation of the drawings]

[0014] [Figure 1] 1 is a perspective view of a forklift to which a battery water replenishment auxiliary device according to a first embodiment is applied. [Figure 2] 1 is a perspective view of a battery water refilling auxiliary device and a water supply tank according to a first embodiment. FIG. [Figure 3] FIG. 1 is a perspective view of a battery water refilling auxiliary device and a tank bracket according to a first embodiment. [Figure 4] (a) is a rear view of the battery replenishment auxiliary device when the receiving base is displaced to the storage position, and (b) is a rear view of the battery replenishment auxiliary device when the receiving base is displaced to the use position. [Figure 5] FIG. 1(a) is a rear view of a battery water replenishment auxiliary device and a water supply tank according to a first embodiment, and FIG. 1(b) is a plan view of the battery water replenishment auxiliary device and a water supply tank according to the first embodiment. [Figure 6] FIG. 10(a) is a perspective view of a battery water replenishment auxiliary device and a water supply tank according to a second embodiment, and FIG. 10(b) is a rear view of the battery water replenishment auxiliary device and the water supply tank according to the second embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0015] (First embodiment) A battery water replenishment auxiliary device for an industrial vehicle according to a first embodiment will be described below with reference to the drawings. The industrial vehicle in this embodiment is a battery-powered forklift. Note that the terms "front / back," "left / right," and "up / down" that specify directions are based on the position of a forklift operator seated in the driver's seat and facing the forward direction of the forklift.

[0016] As shown in Figure 1, a forklift 10 is provided with a loading device 12 at the front of a vehicle body 11. A driver's seat 13 is provided near the center of the vehicle body 11. Drive wheels 14 are provided as front wheels at the front of the vehicle body 11, and steerable wheels 15 are provided as rear wheels at the rear of the vehicle body 11. A counterweight 16 is provided at the rear of the vehicle body 11, and the counterweight 16 is used to adjust the vehicle weight and achieve weight balance within the vehicle body 11.

[0017] The vehicle body 11 is provided with a head guard 17 that covers the upper part of the driver's seat 13. A tilt cylinder 18 that is operated by hydraulic oil is installed between the vehicle body 11 and the cargo handling device 12. Operation of the tilt cylinder 18 causes the cargo handling device 12 to tilt in the front-to-rear direction with the lower end of the cargo handling device 12 as a fulcrum.

[0018] The cargo handling apparatus 12 is equipped with a mast 21 having outer masts 19 and inner masts 20. The pair of left and right outer masts 19 are equipped with inner masts 20 that can be raised and lowered inside the outer masts 19. The cargo handling apparatus 12 is equipped with lift brackets 22 that rise and fall along the inner masts 20, and the lift brackets 22 are equipped with a pair of left and right forks 23 and a backrest 24. The outer masts 19 are equipped with lift cylinders 25 that are operated by the supply and discharge of hydraulic oil. The inner masts 20 rise and fall inside the outer masts 19 due to the operation of the lift cylinders 25.

[0019] The vehicle body 11 is located in front of the counterweight 16 and is equipped with an openable and closable seat stand 26. A driver's seat 27 is provided on the upper surface of the seat stand 26. An instrument panel 28 is provided in front of the driver's seat 27. The instrument panel 28 is equipped with a steering column 29 that supports a steering wheel 30, as well as a lift lever 31 and a tilt lever 32 that serve as loading and unloading levers. The lift lever 31 is a lever for operating the lift cylinder 25, and the tilt lever 32 is a lever for operating the tilt cylinder 18. Furthermore, the instrument panel 28 is equipped with a display monitor 33 that can display various information.

[0020] The floor surface of the driver's seat 13 is formed by a toe board 34. An accelerator pedal 35 and a brake pedal 36 are disposed near the floor surface. A rechargeable battery (not shown) is mounted below the toe board 34. The battery is a lead-acid battery having a large number of battery cells (not shown), and the battery cells are filled with battery fluid. The battery cells are provided with a fill port (not shown) for refilling with battery purified water. One end of a distribution pipe (not shown) for refilling battery purified water is connected to the fill port. The other end of the distribution pipe for refilling water, together with the distribution pipes for refilling water for the other battery cells, is combined into a single main refilling pipe 41. As shown in FIG. 2, the main refilling pipe 41 is connected to a refilling water tank 45, which will be described next.

[0021] A water replenishment tank 45 is installed near the right end of the toe board 34. The water replenishment tank 45 is a tank for storing battery purified water for replenishment. The water replenishment tank 45 includes a resin tank body 46 and a pump unit 47. A cylindrical water inlet 48 is formed on the top surface of the tank body 46. The water inlet 48 is sealed with a water inlet cap 49, but when replenishing the battery purified water into the water replenishment tank 45, the water inlet cap 49 can be removed to refill the water replenishment tank 45 with battery purified water. The pump unit 47 includes a motor-driven pump (not shown) that is activated when the battery is being charged and automatically sends the battery purified water stored in the water replenishment tank 45 to the battery cells via the water replenishment main pipe 41 and the water replenishment distribution pipes.

[0022] The refill water tank 45 is supported on the toe board 34 by a tank bracket 50. The tank bracket 50 includes a bottom plate 51 that supports the lower part of the tank body 46, a pair of front and rear leg plates 52, 53 that connect the bottom plate 51 to the toe board 34, an upright plate 54 that rises from the bottom plate 51, and a support plate 55.

[0023] The leg plates 52, 53 are attached to the toe board 34. The standing plate 54 includes a standing plate portion 56 that extends upward along the left side of the refilling water tank 45, an upper plate portion 57 that extends from the upper end of the standing plate portion 56 to the top of the refilling water tank 45, and a hanging plate portion 58 that wraps around from the upper plate portion 57 to the right side of the refilling water tank 45. A circular hole 59 is formed in the upper plate portion 57 through which the water supply port 48 is inserted. Because the top of the refilling water tank 45 is held by the standing plate 54 and the water supply port 48 is inserted through the circular hole 59, the refilling water tank 45 is prevented from tipping over on the bottom plate 51. Furthermore, the contact plate 55 abuts against the lower part of the right side of the refilling water tank 45, preventing the refilling water tank 45 from falling off the bottom plate 51.

[0024] In this embodiment, a battery replenishment auxiliary device 60 is provided that can reduce the burden on the operator of the forklift 10 when replenishing the replenishing water tank 45 with battery purified water. The battery replenishment auxiliary device 60 has a receiving base 61 that receives a water supply container for replenishing the replenishing water tank 45 with battery purified water. As shown in FIG. 3 , the receiving base 61 is supported by the standing plate 54 that serves as a support. Specifically, the receiving base 61 is rotatably connected to the lower end of the hanging plate portion 58 of the standing plate 54 via a hinge portion 62.

[0025] As shown in FIG. 3, receiving base portion 61 is a plate member bent into an L-shaped cross section and includes a receiving plate 63 and a connecting plate 64 bent from receiving plate 63 and connected to hanging plate portion 58 by a hinge portion 62. Receiving base portion 61 is formed in a shape that follows upper plate portion 57 and hanging plate portion 58 so that it can overlap upper plate portion 57 and hanging plate portion 58. A through hole 65 is formed in receiving plate 63 to allow water inlet 48 to be inserted therethrough. Receiving plate 63 has a flat plate surface. The diameter of through hole 65 is larger than the outer diameter of water inlet 48 and smaller than the outer diameter of water inlet cap 49.

[0026] In this embodiment, the axis of the hinge portion 62 is in the front-to-rear direction, and the receiving base portion 61 can rotate left and right around the hinge portion 62. As shown in FIG. 4(a), when the receiving base portion 61 is in the storage position where it overlaps the upper plate portion 57, the water inlet 48 is inserted into the through-hole 65. When the water inlet cap 49 is covering the water inlet 48, the water cannot pass through the through-hole 65, and the receiving base portion 61 cannot be displaced from the storage position. As shown in FIG. 4(b), when the water inlet cap 49 is removed from the water inlet 48, the receiving base portion 61 can be rotated around the hinge portion 62 to rotate inverted toward the use position. In the use position, the receiving plate 63 is approximately horizontal, allowing it to receive, for example, a water jug ​​W as a water container.

[0027] The water jug ​​W is a jug that can store 5 liters of battery purified water. A water container other than the water jug ​​W may be, for example, a resin tank with a cock (not shown). The resin tank with a cock stores 10 to 20 liters of battery purified water depending on the size of the resin tank. In the case of a resin tank with a cock, a flexible hose may be connected to the cock. The size of the water jug ​​W may also be a size other than 5 liters.

[0028] Next, the replenishment of battery purified water to the refilling tank 45 using the battery refilling auxiliary device 60 will be described. When charging the battery and the remaining amount of water in the refilling tank 45 is low, the operator of the forklift 10 replenishes battery purified water to the refilling tank 45 before charging the battery. First, the operator removes the water inlet cap 49 that closes the water inlet 48 of the refilling tank 45. Next, the operator rotates the receiving base 61 around the hinge 62 as the center of rotation, thereby displacing the receiving base 61 from the storage position to the use position. When the receiving base 61 is displaced to the use position, the water jug ​​W can be placed on the receiving base 61.

[0029] Next, the operator picks up the water jug ​​W containing the battery purified water and replenishes the refilling tank 45 with battery purified water. To start refilling, the operator places the water jug ​​W on the pedestal 61, supports the water jug ​​W, and tilts the pedestal 61, allowing refilling without lifting the water jug ​​W. When the battery purified water in the water jug ​​W runs low, the operator supports the water jug ​​W and tilts the pedestal 61 toward the storage position, raising the position of the water jug ​​W and making it easier to refill the battery purified water. As the battery purified water in the water jug ​​W runs low, it becomes lighter, so lifting the water jug ​​W puts less strain on the operator. Refilling using the water jug ​​W may be repeated until a certain amount of battery purified water is stored in the refilling tank 45.

[0030] Once the refilling of the refilling tank 45 with battery purified water is complete, the operator displaces the receiving base 61 from the use position to the storage position and attaches the water inlet cap 49 to the water inlet 48. Attaching the water inlet cap 49 to the water inlet 48 allows the receiving base 61 to remain in the storage position. After the refilling tank 45 has been refilled with battery purified water, the operator can charge the battery. When charging the battery, the pump unit 47 of the refilling tank 45 operates to refill each battery cell with battery purified water.

[0031] The battery water refilling auxiliary device 60 of this embodiment has the following advantages. (1) The battery water replenishment auxiliary device 60 has a receiving base 61 that receives the water container near the water replenishment tank 45, so the operator can replenish the water replenishment tank 45 with purified battery water without lifting the water container, thereby reducing the burden on the operator. In addition, because the receiving base 61 can be displaced from the use position to the storage position, the receiving base 61 does not interfere with the operation of the forklift 10.

[0032] (2) The tank bracket 50 serving as a support is provided on the refill water tank 45 and has a hinge 62 that connects the receiving base 61 and the tank bracket 50. The receiving base 61 is rotatable relative to the tank bracket 50 via the hinge 62. Therefore, by rotating the receiving base 61 via the hinge 62, it can be switched between the use position and the storage position.

[0033] (3) The receiving base 61 raises the water container it receives as it is displaced from the use position toward the storage position. Therefore, even if the battery purified water in the water container becomes low due to replenishment, the liquid level of the battery purified water in the refill water tank 45 can be raised by rotating the receiving base 61, and the water container can be positioned to make it easier to replenish the water tank 45. As a result, the burden on the operator can be further reduced.

[0034] (4) The water refill tank 45 has a water inlet 48 through which battery purified water is refilled and a water inlet cap 49 that closes the water inlet 48. The receiving base 61 corresponds to the position of the water inlet 48 when in the storage position and has a through-hole 65 through which the water inlet 48 passes. When in the storage position, the water inlet cap 49 closes the water inlet 48, thereby fixing the receiving base 61 to the water refill tank 45. Therefore, there is no need to provide a separate means for fixing the receiving base 61 in the storage position. Furthermore, since the water inlet cap 49 needs to be attached to move the receiving base 61 from the use position to the storage position, forgetting to close the water inlet cap 49 can be prevented.

[0035] (5) Since the support portion that supports the receiving base portion 61 is the tank bracket 50, it is easy to provide the hinge portion 62 that connects the receiving base portion 61 and the tank bracket 50.

[0036] (No. 1 of Reference example ) Next, 1 of Reference example This section explains the battery water supply auxiliary device. Reference exampleIn this embodiment, the configurations of the battery water refilling auxiliary tool and the water refilling tank are different from those of the first embodiment. The same configurations as those in the first embodiment will be referred to and the same reference numerals will be used.

[0037] As shown in Figure 5(a) and Figure 5(b), Reference example The battery water replenishment auxiliary device 70 has a tank bracket 72 installed along the side of the water replenishment tank 71, a pair of front and rear support arms 73 protruding to the right from the tank bracket 72, a shaft 74 mounted horizontally on the support arms 73, and a receiving base 75 supported by the shaft 74.

[0038] The refilling tank 71 has a substantially rectangular parallelepiped tank body 76, a cylindrical water supply port 77 formed at the top of the tank body 76, and a water supply port cap 78 that closes the water supply port 77. A pump unit (not shown) is provided inside the tank body 76. The pump unit has a motor-driven pump (not shown) that is activated when the battery is being charged, and automatically sends the battery purified water stored in the refilling tank 71 to the battery cells through the refilling main pipe 41 and the refilling distribution pipes.

[0039] The tank bracket 72 is installed along the right side of the tank body 76 and fixed to a toe board (not shown). The support arms 73 are rod-shaped members that protrude rightward from the front and rear ends of the tank bracket 72. A stopper 79 that extends downward from the tip of the support arm 73 is provided. The stopper 79 is provided to allow rotation of the pedestal 75 in one direction (counterclockwise in FIG. 5(a)) but to restrict rotation in the other direction (clockwise in FIG. 5(a)).

[0040] Book Reference exampleIn this example, the operator places a cocked resin tank Y as a water supply container on the receiving base 75 and replenishes battery purified water into the water replenishing tank 71. At this time, the operator can tilt the receiving base 75 while supporting the cocked resin tank Y to position the cocked resin tank Y in a position that makes it easy to replenish the battery purified water depending on the remaining amount of battery purified water in the cocked resin tank Y.

[0041] Book Reference example The battery replenishment auxiliary device 70 has the same effects as the effects (1) and (3) of the first embodiment. In addition, since the receiving base 75 can be rotated in one direction via the shaft 74 attached to the support arm 73, it is possible to more easily position the water supply container to facilitate replenishment according to the remaining amount of battery purified water in the water supply container. By rotating the receiving base 75, the liquid level of the battery purified water in the water supply container can be raised.

[0042] (No. 2 of Reference example ) Next, 2 of Reference example This section explains the battery water supply auxiliary device. Reference example In this embodiment, the configurations of the battery water refilling auxiliary tool and the water refilling tank are different from those of the first embodiment. The same configurations as those in the first embodiment will be referred to and the same reference numerals will be used.

[0043] As shown in Figure 6(a) and Figure 6(b), Reference example The battery refilling auxiliary device 80 has a receiving base 82 that rises and falls along the side of the refilling tank 81, and a support guide 83 that is provided on the vehicle body 11 and serves as a support for supporting the receiving base 82. The refilling tank 81 has a substantially rectangular parallelepiped tank body 84, a cylindrical water supply port 85 formed at the top of the tank body 84, and a water supply port cap 86 that closes the water supply port 85. The refilling tank 81 is attached to the toe board 34 via a tank bracket (not shown).

[0044] The receiving base 82 has a substantially horizontal receiving plate 87 and a guide plate 88 that is bent from the receiving plate 87 and fits along the side of the refilling water tank 81. The guide plate 88 is guided by a support guide portion 83 so that it can slide up and down. The support guide portion 83 extends along the side of the refilling water tank 81, and also extends toward the inside of the vehicle body 11. Therefore, when the receiving base 82 is displaced to the lowest position, which is the storage position, the support guide portion 83 of the receiving base 82 is stored inside the vehicle body 11.

[0045] When replenishing the refilling tank 81 with purified battery water, the operator raises the receiving base 82 to the usage position. At the usage position, the receiving base 82 is fixed to the support guide 83 with a stopper (not shown) to prevent it from descending. With the receiving base 82 fixed in the usage position, a water supply container is placed on the receiving plate 87, and the battery purified water from the water container is replenished into the refilling tank 81. The position of the stopper can be changed so that the height of the usage position of the receiving base 82 can be changed.

[0046] Book Reference example This battery water supply auxiliary device has the same effects as the effects (1) and (3) of the first embodiment. Reference example In the forklift 10, a support guide portion 83 serving as a support portion is provided on the vehicle body 11, and the receiving base portion 82 can be raised and lowered relative to the support guide portion 83, and is stored in the vehicle body 11 when in the stored position. Therefore, the receiving base portion 82 does not interfere with the operation of the forklift 10. Because the receiving base portion can be raised and lowered, the water container will not tilt, and the water container can be stably supported on the receiving base portion 82. Furthermore, the height of the usage position of the receiving base portion 82 can be changed, so a usage position suitable for the type of water container can be set.

[0047] The present invention is not limited to the above-described embodiment, and various modifications are possible within the scope of the spirit of the invention. For example, the following modifications may be made.

[0048] In the above embodiment, the refilling water tank is installed on the right side of the floor of the driver's seat, but the position of the refilling water tank can be freely set as long as there are no installation space restrictions. For example, the refilling water tank may be set between the instrument panel and the cargo handling device. Furthermore, the refilling water tank may not only be installed so as to be exposed from the vehicle body, but may also be housed inside the vehicle body. When the refilling water tank is housed inside the vehicle body, it is preferable that the receiving base be housed inside the vehicle body when in the housed position. In the above embodiment, the water supply container is exemplified by a water supply jug and a resin tank with a cock, but is not limited to these. The water supply container may have any configuration as long as it can store purified water for the battery and can supply water to the water refill tank. ○ The above 2 of Reference example Although the support base slides in the up-down direction, this is not limited to this. For example, the support base may slide in the front-back direction or the left-right direction. There are no particular restrictions on the sliding direction of the support base. In the above embodiment, a battery forklift is used as an example of an industrial vehicle, but the invention is not limited to this. The industrial vehicle may be an electric towing tractor or a small battery-powered towing vehicle in addition to a forklift. [Explanation of symbols]

[0049] 10. Forklift 11 Body 12 Cargo handling equipment 13 Driver's seat 27 Driver's seat 34 Toeboard 45, 71, 81 Water tank 46, 76, 84 Tank body 47 Pump Unit 48, 77, 85 Water inlet 49, 78, 86 Water inlet cap 50, 72 Tank bracket 54 Standing board 55 Toban 58 Drop plate part (support part) 60, 70, 80 Battery Water Supply Auxiliary 61, 75, 82 pedestal part 62 Hinge part 63, 87 Receiving plate 64 Connecting plate 65 through holes 71 Water tank 73 Support Arm 74 shaft 79 Stopper 83 Support guide part 88 Guide plate W, Y water container

Claims

1. a receiving base for receiving a water supply container for replenishing battery purified water in a water supply tank for storing battery purified water for replenishing water in a battery mounted on a vehicle body; a standing plate as a support portion provided in the refilling water tank and supporting the pedestal portion, The upright plate has an upper plate portion extending above the refilling water tank, This is an auxiliary device for battery replenishment in industrial vehicles, characterized in that the receiving base portion is movable between a storage position in which the receiving base portion overlaps with the upper plate portion and is stored, and a use position in which the water supply container can be received.

2. A hinge portion that connects the receiving base portion and the standing plate is provided, 2. The auxiliary device for refilling water into a battery of an industrial vehicle according to claim 1, wherein the support portion is rotatable with respect to the upright plate via the hinge portion.

3. A water supply port for supplying purified water to the battery; a water inlet cap that closes the water inlet, the receiving base portion has a through hole corresponding to the position of the water supply port when in the storage position, 3. A battery replenishment auxiliary device for an industrial vehicle as described in claim 1 or 2, characterized in that it is fixed to the replenishment tank by the water inlet cap that closes the water inlet in the storage position where the water inlet is inserted into the through hole.

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