Mounting structure of independent brake hydraulic oil tank of large heavy diesel fork lift truck

Abstract

The utility model belongs to the technical field of forklift assembly, and particularly discloses a mounting structure of an independent brake hydraulic oil tank of a large heavy diesel fork lift truck, which comprises the independent brake hydraulic oil tank and a gear pump. The brake hydraulic oil tank is fixed with the frame through a fastener; a hydraulic oil tank cover plate is arranged at the top of the brake hydraulic oil tank, is provided with a low-pressure rubber pipe connected with the hydraulic oil tank, and is connected to an oil suction port of the gear pump based on the low-pressure rubber pipe; an oil outlet of the gear pump is connected into a brake element prefill valve through a steel pipe connector and a rubber pipe assembly, a hydraulic oil radiator is additionally arranged between the element brake hydraulic oil tank and a service brake system, and an independent brake system oil tank is added on the premise that normal operation of a forklift is not affected. And the hydraulic oil tank on the brake is separated from the hydraulic oil tank on the work, so that the operation safety is improved, and the assembly is simpler and more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a forklift assembly technical field, concretely is a kind of installation structure of large heavy-duty internal combustion forklift independent brake hydraulic oil tank. BACKGROUND

[0002] At present, for the large heavy-duty internal combustion forklift of more than 16 tons, due to its model and heavy load, wet brake is usually used as the brake system in drive axle. Compared with the drum brake system of small tonnage forklift, it provides more sensitive braking effect and longer durability. However, during each braking process, the friction plate will shed tiny metal powder, which will contaminate the hydraulic oil, causing the oil to turn black and the cleanliness to decrease. Due to the contamination of hydraulic oil, the 350 liters of hydraulic oil of the whole vehicle needs to be replaced frequently, which not only causes waste of resources, but also significantly increases maintenance cost. In addition, frequent maintenance and replacement of hydraulic oil affect the normal operation of the forklift and reduce the operation efficiency.

[0003] In view of this, the utility model provides an installation structure of large heavy-duty internal combustion forklift independent brake hydraulic oil tank. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an installation structure of large heavy-duty internal combustion forklift independent brake hydraulic oil tank, which is simple in structure, better in space utilization, improves product quality, and reduces maintenance cost caused by oil change, to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an installation structure of large heavy-duty internal combustion forklift independent brake hydraulic oil tank, comprising an independent brake hydraulic oil tank and a gear pump;

[0006] The brake hydraulic oil tank is fixed with the frame by fasteners. A hydraulic oil tank cover plate is arranged on the top of the brake hydraulic oil tank, and a low-pressure rubber hose connected with the hydraulic oil tank is arranged on the hydraulic oil tank cover plate,

[0007] and the low-pressure rubber hose is connected to the oil suction port of the gear pump. The oil outlet of the gear pump is connected to the brake element liquid filling valve through a steel pipe joint and a rubber hose assembly. A hydraulic oil radiator is additionally arranged between the brake hydraulic oil tank and the brake system.

[0008] As a preferred technical scheme of the utility model, the hydraulic oil tank cover plate is fixed on the brake hydraulic oil tank by bolts, which increases the stability of the structure. A plurality of transition joints of external low-pressure rubber hoses are arranged on the outer side of the hydraulic oil tank cover plate. The gear pump is connected to the oil outlet pipe and the oil inlet pipe through the transition joints, which improves the flexibility of the system and the convenience of maintenance.

[0009] As a preferred technical scheme of the utility model, the gear pump is connected with the oil outlet pipe and the oil inlet pipe through the transition joint.

[0010] As a preferred technical scheme of the utility model, the low-pressure rubber pipe is connected with multiple wire comb interfaces, and the wire comb interfaces are fixed on the internal combustion fork truck, so that the low-pressure rubber pipe is fixed on the internal combustion fork truck conveniently, and the installation process is simplified by using the transition joint and the wire comb interface.

[0011] As a preferred technical scheme of the utility model, the hydraulic oil radiator is connected between the brake hydraulic oil tank and the travel brake system, the heat dissipation effect is enhanced, and the temperature of the hydraulic oil is controlled through the radiator, so that the brake performance caused by overheating is prevented from being reduced.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model guarantees that the normal operation of the fork truck is not affected, increases the independent brake system oil tank, separates the hydraulic oil tank above the brake from the hydraulic oil tank for work, reduces the pollution of the powder particles in the bridge to the hydraulic oil tank in the whole vehicle body caused by the brake, only needs to replace the 40 liters of hydraulic oil in the brake oil tank during maintenance, improves the operation safety, makes the assembly more simple and reliable, improves the product quality, and obtains better use experience of the user. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a heavy-duty internal combustion fork truck independent brake hydraulic oil tank structure schematic view.

[0015] Figure 2 It is a whole vehicle brake pipeline system structure schematic view before rectification.

[0016] In the drawing: 1, brake hydraulic oil tank; 2, oil tank cover plate; 3, low-pressure rubber pipe; 4, steel pipe joint; 5, gear pump; 6, brake original element liquid filling valve; 7, hydraulic oil radiator. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] In the description of the utility model, it needs to explain that, the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as limiting the utility model.

[0019] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Embodiment 1

[0021] As Figure 1 shown, the utility model provides a technical scheme: a mounting structure of large heavy-duty internal combustion fork truck independent brake hydraulic oil tank, compared with the traditional brake system, an independent brake hydraulic oil tank 1 is increased in the internal space of the front end of the vehicle body, the hydraulic oil in the brake hydraulic oil tank 1 is only used for brake system brake needs, and does not participate in the work oil circuit of the fork truck. Make brake hydraulic oil tank 1 and working hydraulic oil tank separate, reduce the pollution of the whole vehicle body hydraulic oil tank by the bridge powder particles generated by brake braking, only need to replace the hydraulic oil 40 liters in brake tank during maintenance, improve the operation safety and maneuverability, make the assembly more simple and reliable.

[0022] The present example takes 16 tons of internal combustion fork truck as an example to illustrate, including independent brake hydraulic oil tank 1 and gear pump 5, brake hydraulic oil tank 1 is fixed with the frame through fastener, gear pump 5 oil suction port is connected with hydraulic oil tank cover plate 2 through low pressure rubber tube 3, oil outlet is connected with brake original element liquid filling valve 6 through steel pipe joint 4 and rubber tube assembly, at the same time, increase the hydraulic oil radiator 7 of the travel brake system, the rest of the hydraulic original element and pipeline are consistent with the improved former connection method. Only need to replace the hydraulic oil 40 liters in brake tank during maintenance, improve the operation safety, make the assembly more simple and reliable. Improve product quality and obtain better user experience at the same time.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An installation structure for an independent brake hydraulic oil tank of a large heavy-duty internal combustion forklift, characterized in that: It comprises an independent brake hydraulic oil tank (1) and a gear pump (5); The brake hydraulic oil tank (1) is fixed to the frame by fasteners; a hydraulic oil tank cover plate (2) is arranged on the top of the brake hydraulic oil tank (1), and a low-pressure rubber pipe (3) connected with the brake hydraulic oil tank (1) is arranged on the hydraulic oil tank cover plate (2), and connected to the oil suction port of the gear pump (5) based on the low-pressure rubber pipe (3); the oil outlet of the gear pump (5) is connected to the brake element liquid filling valve (6) through a steel pipe joint (4) and a rubber pipe assembly, and a hydraulic oil radiator (7) is additionally arranged between the brake hydraulic oil tank (1) and the service brake system.

2. The mounting structure of a large heavy-duty internal combustion fork truck independent braking hydraulic oil tank according to claim 1, characterized in that: The hydraulic oil tank cover plate (2) is fixed to the brake hydraulic oil tank (1) by bolts, and a plurality of transition joints of the external low-pressure rubber pipes (3) are arranged on the outer side of the hydraulic oil tank cover plate (2).

3. The mounting structure of a large heavy-duty internal combustion fork truck independent brake hydraulic oil tank according to claim 2, characterized in that: The gear pump (5) is connected to the steel pipe joint (4) and the low-pressure rubber pipe (3) through the transition joint.

4. The mounting structure of a large heavy-duty internal combustion fork truck independent braking hydraulic oil tank according to claim 3, characterized in that: A plurality of wire comb interfaces are connected to the low-pressure rubber pipe (3), and the wire comb interfaces are fixed to the internal combustion fork truck.

5. The mounting structure of a large heavy-duty internal combustion fork truck independent brake hydraulic oil tank according to claim 4, characterized in that: The hydraulic oil radiator (7) is connected between the brake hydraulic oil tank (1) and the service brake system.

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