CN213637379U

CN213637379U - Bulldozer power storage maintaining system

Info

Publication number: CN213637379U
Application number: CN202022320061.XU
Authority: CN
Inventors: 贾亮; 左周; 李月丽; 王岩; 卢秀红
Original assignee: Xinxing Yishan Tianjin Heavy Industry Co ltd; Tianjin Yishan Construction Machinery Co Ltd
Current assignee: Xinxing Yishan Tianjin Heavy Industry Co ltd; Tianjin Yishan Construction Machinery Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-06
Anticipated expiration: 2030-10-16

Abstract

The utility model provides a bull-dozer keeps electric power storage system, including the battery, the key switch, first relay, the engine, generator and second relay, the battery positive pole is connected to the key switch power end, the switch-on shelves signal connection of key switch is to first relay, the pneumatic shelves signal connection of key switch is to the R end of engine, the D + end of generator is through second relay signal connection to first relay, the generator is car alternator, the B + end of generator loops through the B end through the starter and first relay signal connection is to the positive pole of battery. The system, under the serious not enough or utmost point stake damage condition of battery power, adopt external starting power supply or other vehicle batteries to connect in parallel on the positive negative pole stake of bull-dozer battery, engine work back can put aside external power supply fast, guarantees that the bull-dozer can normally work, maintains the normal charged state of battery, improves bull-dozer work efficiency.

Description

Bulldozer power storage maintaining system

Technical Field

The utility model belongs to the engineering machine tool field especially relates to a bull-dozer keeps electrical system.

Background

At present, a bulldozer adopts a mode that a storage battery relay disconnects the positive electrode of a power supply, and a generator supplies power to the whole bulldozer and charges a storage battery. When the electric quantity of the storage battery is seriously insufficient or the pole pile is damaged, an external starting power supply or other vehicle storage batteries are adopted and connected in parallel on the positive pole pile and the negative pole pile of the storage battery of the bulldozer to start the bulldozer, and after the engine works, the generator generates electricity to supply power to the whole bulldozer. When the electric quantity of the storage battery of the bulldozer is seriously insufficient or the pole pile is damaged, the anode and the cathode of the external power supply are moved away from the bulldozer, and then the engine stops working. After the storage battery of the bulldozer is charged for a period of time, the coil of the storage battery relay can work after a certain amount of electricity is available, the contact is closed, and the anode and the cathode of the external power supply can be moved away from the bulldozer. Under the condition, the external power supply cannot be removed in a short time, and great danger can be caused if the bulldozer carries the external power supply to work. The bulldozer can not work normally in a short time, the utilization rate of the external power supply is low, the working efficiency of the bulldozer is affected, and the bulldozer is not suitable for construction in remote construction sites.

Disclosure of Invention

In view of this, the utility model aims at providing a bull-dozer keeps electrical storage system, under the serious not enough or utmost point stake damage condition of battery power, adopts external starting power supply or other vehicle batteries to connect in parallel on the positive negative pole stake of bull-dozer battery, and engine work back is solved and can not put aside external power supply fast, influences the problem of the normal work of bull-dozer

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a bulldozer power storage maintaining system comprises a storage battery, a key switch, a first relay, an engine, a generator and a second relay, wherein the type of the storage battery is 6-QW-180, the anode of the storage battery is connected to a power supply end of the key switch, the key switch is started during key switching, the type of the key switch is JK406B, a switch-on gear signal of the key switch is connected to the first relay, a pneumatic gear signal of the key switch is connected to the R end of the engine, the D + end of the generator is connected to the first relay through the second relay signal, the generator is an automobile alternating current generator, the type of the generator is JFZ280-1600, the B + end of the generator is sequentially connected to the anode of the storage battery through the B end of a starter and the first relay signal, and the type of the starter is WP-Q.

Further, the first relay is a storage battery relay, and the model of the first relay is MZJ-600S/24.48A 1.

Further, the second relay is an intermediate relay, and the model number of the second relay is 23Y-07D-0002.

Compared with the prior art, a bull-dozer keep electrical storage system have following advantage:

(1) a bull-dozer keeps electrical storage system, under the serious not enough or utmost point stake damage condition of battery power, adopt external starting power supply or other vehicle batteries to connect in parallel on the positive negative pole stake of bull-dozer battery, after the engine work, can put aside external power supply fast, guarantee that the bull-dozer can normally work, maintain the normal charged state of battery, improve bull-dozer work efficiency.

(2) A bull-dozer keep electrical storage system, battery relay is behind the key outage, as long as the generator normally works, just can keep battery relay main contact to normally work.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic diagram of a control of a bulldozer power storage system according to an embodiment of the present invention;

FIG. 2 is a circuit diagram of an embodiment of a power storage system of a bulldozer according to the present invention;

description of reference numerals:

1-a storage battery; 2-a key switch; 3-a first relay; 4-an engine; 5-a generator; 6-second relay.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A power storage maintaining system of a bulldozer comprises a storage battery 1, a key switch 2 and a first relay 3, the automobile starter comprises an engine 4, a generator 5 and a second relay 6, the model number of the storage battery 1 is 6-QW-180, the anode of the storage battery 1 is connected to a power supply end of a key switch 2, the key switch 2 is a starting switch, the model number of the key switch 2 is JK406B, a switch-on gear signal of the key switch 2 is connected to a first relay 3, a pneumatic gear signal of the key switch 2 is connected to the R end of the engine 4, the D + end of the generator 5 is connected to the first relay 3 through a second relay 6, the generator 5 is an automobile alternating current generator 5, the model number of the generator 5 is JFZ280-1600, the B + end of the generator 5 is sequentially connected to the anode of the storage battery 1 through the B end of a starter and the first relay 3 through signals, and the model number of the.

The first relay 3 is a battery relay, and the model of the first relay 3 is MZJ-600S/24.48A 1.

The second relay 6 is an intermediate relay, and the model number of the second relay 6 is 23Y-07D-0002.

In the embodiment shown in fig. 2, the positive pole of the storage battery 1 is respectively connected to the interface end of the key switch 2 and the contact E of the first relay 3, the contact D of the first relay 3 is grounded, the first end of the coil L2 of the first relay 3 is respectively grounded and is connected to the pin 87 of the second relay 6 through the triode P2 and the triode P3, and the first end of the coil L1 of the first relay 3 is connected to the switch-on gear of the key switch 2; the second end of the coil L2 of the first relay 3, the second end of the coil L1 of the first relay 3 and the contact are all connected to the R end of the engine 4, the B end of the engine 4 is connected to the B + end of the generator 5, the D + end of the generator 5 is connected to the pin 85 and the pin 30 of the second relay 6 respectively, and the pin 86 of the second relay 6 is grounded.

The working principle of the bulldozer for keeping the power storage system is as follows:

when the worker shifts the bulldozer key switch 2 to the on position, the coil L1 of the first relay 3 is turned on, the contact E of the first relay 3 is closed, the contact D is opened, and the coil L2 is kept turned on. The worker turns the key switch 2 to the starting gear, the starter 4 works, the engine 4 works after being started, the generator 5 generates electricity, the bulldozer works normally, the B + end and the D + end of the generator 5 have 28V voltage when the generator 5 works, the anode of the storage battery 1 is connected to the B end of the starter through the B + end of the generator 5, and the anode of the storage battery 1, the cathode of the storage battery 1 and the frame of the bulldozer are grounded to form a loop for charging. Under the condition that the electric quantity of the storage battery 1 is seriously insufficient or the pole pile is damaged, an external starting power supply or other vehicle storage batteries are connected in parallel on the positive pole pile and the negative pole pile of the storage battery 1 of the bulldozer, the engine 4 works, and the generator 5 generates electricity. The D + end of the generator 5 is connected to the coil and the contact of the second relay 6, the second relay 6 works, the triode P3 plays a role in protecting the whole machine, the first relay 6 keeps the coil L2 to work and is always conducted, the main contact E of the first relay 6 normally works, at the moment, the external power supply is removed, the engine 4 cannot be flamed out, the bulldozer normally works, and the storage battery 1 is normally charged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bulldozer retention power storage system is characterized in that: including battery (1), key switch (2), first relay (3), engine (4), generator (5) and second relay (6), battery (1) anodal is connected to key switch (2) power end, the switch-on shelves signal connection to first relay (3) of key switch (2), the pneumatic shelves signal connection to the R end of engine (4) of key switch (2), the D + end of generator (5) passes through second relay (6) signal connection to first relay (3), generator (5) are car alternator (5), the B + end of generator (5) loops through the B end through the starter and the positive pole of first relay (3) signal connection to battery (1).

2. A bulldozer maintenance electrical power storage system according to claim 1, characterized in that: the first relay (3) is a battery relay, and the model of the first relay (3) is MZJ-600S/24.48A 1.

3. A bulldozer maintenance electrical power storage system according to claim 2, wherein: the second relay (6) is an intermediate relay, and the model number of the second relay (6) is 23Y-07D-0002.

4. A bulldozer maintenance electrical power storage system according to claim 3, characterized in that: the positive electrode of the storage battery (1) is respectively connected to the interface end of the key switch (2) and the contact E of the first relay (3) through lines, the contact D of the first relay (3) is grounded, the first end of a coil L2 of the first relay (3) is respectively grounded and is connected to a pin 87 of the second relay (6) through a triode P2 and a triode P3, and the first end of a coil L1 of the first relay (3) is connected to a switch-on gear of the key switch (2); the second end of the coil L2 of the first relay (3), the second end of the coil L1 of the first relay (3) and a contact are connected to the R end of the engine (4), the B end of the engine (4) is connected to the B + end of the generator (5), the D + end of the generator (5) is connected to the pin 85 and the pin 30 of the second relay (6) respectively, and the pin 86 of the second relay (6) is grounded.