Electric crawler engineering forklift

By adopting the design of track chassis and electro-hydraulic proportional valve control on the electric track engineering forklift, the problem of unstable battery life is solved, the forklift's turn passability, walking stability and obstacle crossing ability are improved, and the motor's Service life.

CN222434055UActive Publication Date: 2025-02-07SHANDONG OKMAN MECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202421089850.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-02-07
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

During the working process of existing electric track engineering forklifts, the battery life of the power source ternary lithium battery is affected by factors such as driving habits, road conditions and cargo weight, and the battery life time is unstable under different environments and temperatures.

Method used

An electric track forklift is designed, using a track chassis and an inner wheel, a wheel steel disc, a rotating shaft and an inner shaft are installed on the placenta. The steering wheel differential control and the inner and outer wheel system when rotating in situ are realized through electro-hydraulic proportional valve control. The differential control of the two speed control cancels the traditional hydraulic lever operation method and adopts electric remote sensing control.

Benefits of technology

It improves the passability and walking stability of the forklift when turning, enhances obstacle crossing ability and flexibility, extends the service life of the motor, and improves the safety of the goods through anti-slip dumping devices when picking up goods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric track engineering forklift, which belongs to the technical field of track engineering forklifts and comprises a forklift body, the forklift body is provided with an operation board, a safety column is arranged on the forklift body, a supporting column is arranged on the safety column, and a tire disc is arranged on the forklift body. Goods are forked or placed through operation of the electric crawler forklift, the problems that a wheel train bridge type differential wheel train vehicle is poor in trafficability, stable in walking, high in obstacle crossing capacity, high in flexibility, small in turning radius and free of special requirements for the terrain during turning are solved in the running process, the motor drives the vehicle to walk, soft starting and soft stopping can be achieved, the driving feeling is smooth in the starting process, and the driving safety is high. When the fork forks goods, a sideslip and toppling prevention device is additionally arranged, the inclination angle is increased, electro-hydraulic proportional valve control is adopted, differential control over steering wheels and differential control over inner and outer side wheel trains during in-situ rotation are achieved, a traditional hydraulic rod operation mode is omitted, and valve clamping is avoided to a certain extent.
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Description

Technical Field

[0001] The utility model relates to the technical field of crawler engineering forklifts, in particular to an electric crawler engineering forklift. Background Art

[0002] By changing to a crawler chassis, the problems of poor passability when turning, unstable walking, weak obstacle crossing ability and low flexibility are overcome. When the fork picks up the goods, it is equipped with an anti-skid and anti-tilt device to increase the inclination angle, prevent and avoid damage or swing collision to the goods during driving. By replacing the electro-hydraulic proportional valve control, the steering wheel differential control and the differential control of the inner and outer wheel systems when rotating in place can be realized. The traditional hydraulic rod operation mode is cancelled, and the slow movement, pause and unsafe factors caused by valve sticking, eccentric bending rod and improper mechanical interlocking are avoided to a certain extent, and electric remote sensing control is selected.

[0003] This electric crawler engineering forklift still has the following defects when in use: the vehicle's power source, the ternary lithium battery, will slow down during operation due to driving habits, road conditions and the weight of the forked cargo, and the battery life will also be affected in different environments and temperatures. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides an electric crawler engineering forklift.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the forklift body is provided with an operating panel, the forklift body is provided with a safety housing, the safety housing is provided with a supporting column, and the forklift body is provided with a tire plate.

[0006] As a further description of the above technical solution:

[0007] The tire disc is provided with an inner wheel, the inner wheel is provided with a wheel steel disc, the inner wheel is provided with a rotating shaft, and the inner wheel is provided with an inner shaft.

[0008] As a further description of the above technical solution:

[0009] The tire disc is provided with a tire fixer, the tire fixer is fixedly connected with a connecting column, the tire fixer is provided with a fixing plate, and the tire fixer is provided with a hollow tube.

[0010] As a further description of the above technical solution:

[0011] The tire disc is provided with a connecting column, the connecting column is fixedly connected to a fixing plate, and the connecting column is fixedly connected to a hollow tube.

[0012] As a further description of the above technical solution:

[0013] The tire disc is provided with a fixing plate, the fixing plate is fixedly connected to a hollow tube, and the fixing plate is made of aluminum alloy.

[0014] As a further description of the above technical solution:

[0015] A hollow tube is arranged on the tire disc, the hollow tube is vertically arranged with the connecting column, and the material of the hollow tube is stainless steel.

[0016] As a further description of the above technical solution:

[0017] The tire disc is provided with a rotating shaft, the rotating shaft is provided with an inner shaft, and the material of the rotating shaft is cast iron.

[0018] As a further description of the above technical solution:

[0019] An inner shaft is arranged on the tire disc, and the material of the inner shaft is stainless steel.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the goods are forked or placed by operating the electric crawler forklift. During the driving process, the wheel system bridge differential wheel system has poor passability when turning. The vehicle has stable walking, strong obstacle crossing ability, high flexibility, small turning radius and no special requirements on the terrain. The motor drives the walking movement, which can realize soft start and soft stop. The driving feel is smooth during the starting process, and the life of the motor is improved. When the fork picks up the goods, it is equipped with an anti-skid and dumping device to increase the inclination angle.

[0022] 2. In the utility model, the control is an electro-hydraulic proportional valve control, which can realize the differential control of the steering wheel and the differential control of the inner and outer wheel systems when rotating in place, cancel the traditional hydraulic rod operation mode, and to a certain extent avoid the slow movement, pause and unsafe factors caused by valve sticking, crank eccentricity and improper mechanical interlocking, and choose electric remote sensing control. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an overall stereoscopic diagram of the electric crawler engineering forklift proposed by the utility model;

[0024] Figure 2 This is a rear view of the electric crawler engineering forklift proposed by the utility model;

[0025] Figure 3 This is an upper view of the electric crawler engineering forklift proposed by the utility model.

[0026] Legend:

[0027] 1. Forklift body; 2. Safety column; 3. Operating panel; 4. Support column; 5. Hollow tube; 6. Fixing plate; 7. Connecting column; 8. Tire holder; 9. Tire disc; 10. Inner wheel; 11. Wheel steel disc; 12. Rotating shaft; 13. Inner shaft. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-3 , an embodiment provided by the utility model: the forklift body 1 is provided with an operating panel 3, the forklift body 1 is provided with a safety housing, the safety housing is provided with a supporting column 4, the forklift body 1 is provided with a tire disc 9, the tire disc 9 is provided with an inner wheel 10, the inner wheel 10 is provided with a wheel steel disc 11, the inner wheel 10 is provided with a rotating shaft 12, the inner wheel 10 is provided with an inner shaft 13, the tire disc 9 is provided with a tire fixer 8, the tire fixer 8 is fixedly connected with a connecting column 7, the tire fixer 8 is provided with a fixing plate 6, the tire fixer 8 is provided with a hollow tube 5, the tire disc 9 is provided with a tire fixer 8, the tire fixer 8 is fixedly connected with a connecting column 7, the tire fixer 8 is provided with a fixing plate 6, the tire fixer 8 is provided with a hollow tube 5, the tire disc 9 is provided with a fixing plate 6, the fixing plate 6 is fixedly connected with another hollow tube 5, the The material of the fixing plate 6 is aluminum alloy, the tire disc 9 is provided with a hollow tube 5, the hollow tube 5 is vertically arranged with the connecting column 7, the material of the hollow tube 5 is stainless steel, the tire disc 9 is provided with a rotating shaft 12, the rotating shaft 12 is provided with an inner shaft 13, the material of the rotating shaft 12 is cast iron, the tire disc 9 is provided with an inner shaft 13, the material of the inner shaft 13 is stainless steel, and the goods are forked or placed by operating the electric crawler forklift, and the bridge differential wheel system is abolished during driving. The vehicle has poor passability when turning, stable walking, strong obstacle crossing ability, high flexibility, and is controlled by an electro-hydraulic proportional valve. The differential control of the steering wheel and the differential control of the inner and outer wheel systems when rotating in situ can be realized, and the traditional hydraulic rod operation mode is cancelled. To a certain extent, the valve is stuck, the crankshaft is eccentric, and the slow movement, pause and unsafe factors caused by improper mechanical interlocking are avoided, and electric remote sensing control is selected.

[0030] Working principle: an operating panel 3 is provided on the forklift body 1, a safety housing is provided on the forklift body 1, a supporting column 4 is provided on the safety housing, a tire disc 9 is provided on the forklift body 1, an inner wheel 10 is provided on the tire disc 9, a wheel steel disc 11 is provided on the inner wheel 10, a rotating shaft 12 is provided on the inner wheel 10, an inner shaft 13 is provided on the inner wheel 10, a tire holder 8 is provided on the tire disc 9, a connecting column 7 is fixedly connected to the tire holder 8, a fixing plate 6 is provided on the tire holder 8, a hollow tube 5 is provided on the tire holder 8, a tire holder 8 is provided on the tire disc 9, a connecting column 7 is fixedly connected to the tire holder 8, a fixing plate 6 is provided on the tire holder 8, a hollow tube 5 is provided on the tire holder 8, a fixing plate 6 is provided on the tire disc 9, a hollow tube 5 is fixedly connected to the fixing plate 6, and the fixing plate 6 is made of aluminum alloy. A hollow tube 5 is provided on the disc 9, which is vertically arranged with the connecting column 7. The material of the hollow tube 5 is stainless steel. A rotating shaft 12 is provided on the tire disc 9, and an inner shaft 13 is provided on the rotating shaft 12. The material of the rotating shaft 12 is cast iron. An inner shaft 13 is provided on the tire disc 9, and the material of the inner shaft 13 is stainless steel. By changing to a crawler chassis, the problems of poor passability when turning, unstable walking, weak obstacle crossing ability and low flexibility are overcome. When the fork picks up the goods, an anti-skid and dumping device is added to increase the inclination angle, prevent and avoid damage or swing collision to the goods during driving, and replace the electro-hydraulic proportional valve control to realize the differential control of the steering wheel and the differential control of the inner and outer wheel systems when rotating in situ. The traditional hydraulic rod operation mode is cancelled, and the slow movement, pause and unsafe factors caused by valve jamming, crankshaft eccentricity and improper mechanical interlocking are avoided to a certain extent, and electric remote sensing control is selected.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric crawler engineering forklift, comprising a forklift body (1), characterized in that: The forklift body (1) is provided with an operating panel (3), the forklift body (1) is provided with a safety stopper, the safety stopper is provided with a supporting column (4), and the forklift body (1) is provided with a tire plate (9).

2. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with an inner wheel (10), the inner wheel (10) is provided with a wheel steel disc (11), the inner wheel (10) is provided with a rotating shaft (12), and the inner wheel (10) is provided with an inner shaft (13).

3. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with a tire fixer (8), a connecting column (7) is fixedly connected to the tire fixer (8), a fixing plate (6) is provided on the tire fixer (8), and a hollow tube (5) is provided on the tire fixer (8).

4. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with a connecting column (7), the connecting column (7) is fixedly connected to a fixing plate (6), and the connecting column (7) is fixedly connected to a hollow tube (5).

5. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with a fixing plate (6), to which a hollow tube (5) is fixedly connected, and the fixing plate (6) is made of aluminum alloy.

6. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with a hollow tube (5), the hollow tube (5) and the connecting column (7) are arranged vertically, and the material of the hollow tube (5) is stainless steel.

7. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with a rotating shaft (12), the rotating shaft (12) is provided with an inner shaft (13), and the rotating shaft (12) is made of cast iron.

8. The electric crawler engineering forklift according to claim 1, characterized in that: The tire disc (9) is provided with an inner shaft (13), and the material of the inner shaft (13) is stainless steel.