Static hydraulic walking device of stacking machine

Abstract

The utility model relates to the technical field of logistics handling equipment, and discloses a stacker hydrostatic walking device which comprises a stacker body, a hydraulic oil tank is arranged at the bottom end of the middle of the stacker body, and control assemblies are arranged at the left end and the right end of the hydraulic oil tank. The control assembly comprises a wear-resisting oil pipe which communicates with the left end and the right end of the hydraulic oil tank. In the utility model, the static hydraulic motor is arranged on the walking wheel shaft of the stacking machine and is used for directly driving the walking wheel, the hydraulic pump is connected with the static hydraulic motor through the wear-resistant oil pipe and is used for providing hydraulic power for the static hydraulic motor, and the control valve is connected with the hydraulic pump and the static hydraulic motor and is used for controlling the flow direction and the flow rate of hydraulic oil. Therefore, the static hydraulic motor is adopted to directly drive the walking wheel, the noise of the walking device is reduced, the operation environment is improved, meanwhile, gear or chain transmission parts of equipment are reduced, and the maintenance cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of logistics handling equipment, especially relates to a static hydraulic walking device of stacker. BACKGROUND

[0002] With the rapid development of global economy, the logistics industry as the important cornerstone of supporting modern economy, its efficiency and service quality requirement is increasing, the stacker as the indispensable handling equipment of logistics storage, port terminal etc.

[0003] The existing stacker walking device adopts motor drive gear or chain to drive, and the structure is easy to wear after long time use, and the noise is big, and the maintenance cost is high.

[0004] It needs to be explained in the above content that the above content belongs to the technical cognition scope of the inventor, and does not necessarily constitute the prior art. INVENTION CONTENTS

[0005] In order to make up for the above shortage, the utility model provides a static hydraulic walking device of stacker, which aims at improving the problem that the stacker walking device in prior art is easy to wear after long time use, and the noise is big, and the maintenance cost is high.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a static hydraulic walking device of stacker, including stacker body, the middle part bottom of the stacker body is provided with hydraulic oil tank, the left and right ends of the hydraulic oil tank are provided with control assembly;

[0007] The control assembly includes wear-resistant oil pipe, the wear-resistant oil pipe is communicated at the left and right ends of the hydraulic oil tank, the other end of two wear-resistant oil pipes is communicated with control valve, the middle part of two wear-resistant oil pipes is fixedly connected with hydraulic pump, the output end of two control valves is fixedly connected with static hydraulic motor, the output end of multiple static hydraulic motors is fixedly connected with transmission shaft, the side away from each other of multiple transmission shafts is fixedly connected with coupling, the output end of multiple couplings is fixedly connected with walking wheel, and the middle part of multiple walking wheels is provided with monitoring assembly.

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

[0009] The monitoring assembly includes multiple wheel speed sensors, multiple wheel speed sensors are fixedly connected in the middle part of walking wheel, multiple walking wheels are fixedly connected with storage battery on the middle part upper end, and multiple storage batteries are electrically connected with wear-resistant lead wire on the output end.

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

[0011] The bottom ends of the plurality of wear-resistant wires are electrically connected to the left and right sides of the wheel speed sensor.

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

[0013] The outer side walls of the plurality of walking wheels are each provided with a plurality of evenly distributed anti-skid lines.

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

[0015] The front right side of the hydraulic oil tank is fixedly connected with an oil filling pipe.

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

[0017] The top left side of the stacker body is fixedly connected with a control console.

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

[0019] The outer side walls of the plurality of hydrostatic motors are each threadedly connected with a plurality of evenly distributed fastening bolts.

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

[0021] 1. In the utility model, the hydrostatic motor is arranged on the walking wheel shaft of the stacker, used for directly driving the walking wheel, the hydraulic pump is connected with the hydrostatic motor through the wear-resistant oil pipe, used for providing hydraulic power for the hydrostatic motor, and the control valve is connected with the hydraulic pump and the hydrostatic motor, used for controlling the flow direction and flow of the hydraulic oil, so that the walking device noise is reduced by directly driving the walking wheel by the hydrostatic motor, the operation environment is improved, and the gear or chain transmission parts of the equipment are reduced, greatly reducing the maintenance cost.

[0022] 2. In the utility model, the wheel speed sensor is installed on the walking wheel, the walking speed and steering angle of each walking wheel can be monitored in real time, so that the operator can accurately control the walking speed and steering of the stacker, the operation safety is improved, the installed storage battery can provide energy for the wheel speed sensor through the wear-resistant wire, the wheel speed sensor can be stably operated for a long time, and the connection of the external power line is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of a stacker hydrostatic walking device is provided for the utility model;

[0024] Figure 2 A schematic view of a hydraulic pump of a stacker hydrostatic walking device is provided for the utility model;

[0025] Figure 3 It is a display drawing of the control valve of the static hydraulic walking device of the stacker crane provided by the utility model;

[0026] Figure 4 It is an enlarged view of the drawing A of the static hydraulic walking device of the stacker crane provided by the utility model.

[0027] Legend:

[0028] 1, stacker crane body; 2, hydraulic oil tank; 3, wear-resistant oil pipe; 4, control valve; 5, hydraulic pump; 6, static hydraulic motor; 7, transmission shaft; 8, shaft coupling; 9, walking wheel; 10, wheel speed sensor; 11, storage battery; 12, wear-resistant wire; 13, anti-skid pattern; 14, oil filling pipe; 15, control console; 16, fastening bolt. Specific implementation

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a static hydraulic walking device of a stacker crane, including stacker crane body 1, the middle part bottom of stacker crane body 1 is provided with hydraulic oil tank 2, and the left and right ends of hydraulic oil tank 2 are provided with control assembly;

[0031] The control assembly includes wear-resistant oil pipe 3, which is communicated at the left and right ends of the hydraulic oil tank 2, and the other end of the two wear-resistant oil pipes 3 is communicated with the control valve 4, and the middle part of the two wear-resistant oil pipes 3 is fixedly connected with the hydraulic pump 5, the output end of the two control valves 4 is fixedly connected with the static hydraulic motor 6, the output end of the plurality of static hydraulic motors 6 is fixedly connected with the transmission shaft 7, the side away from each other of the plurality of transmission shafts 7 is fixedly connected with the shaft coupling 8, the output end of the plurality of shaft couplings 8 is fixedly connected with the walking wheel 9, and the middle part of the plurality of walking wheels 9 is provided with the monitoring assembly; the front right side of the hydraulic oil tank 2 is fixedly connected with the oil filling pipe 14;

[0032] Specifically, the fixed control valve 4 can adjust the output flow and pressure of the hydraulic pump 5, so as to realize the accurate control of the walking speed and steering of the stacker crane, and improve the transmission efficiency of the equipment.

[0033] With reference to Figure 1 ,Figure 3 And Figure 4 The monitoring assembly comprises a plurality of wheel speed sensors 10, each of which is fixedly connected to the middle part of the walking wheel 9, the upper end of the middle part of the plurality of walking wheels 9 is fixedly connected with a storage battery 11, and the output end of the plurality of storage batteries 11 is electrically connected with a wear-resistant wire 12; the bottom end of the plurality of wear-resistant wires 12 is electrically connected to the left and right sides of the wheel speed sensor 10; and the outer side wall of the plurality of walking wheels 9 is provided with a plurality of evenly distributed anti-skid lines 13.

[0034] Specifically, the plurality of walking wheels 9 are provided with a plurality of evenly distributed anti-skid lines 13 on the outer side wall, so that the walking wheels 9 have good anti-skid performance, and the stacker is more stable during operation.

[0035] Referring to Figure 1 And Figure 2 The top left side of the stacker body 1 is fixedly connected with a control console 15, and the outer side wall of the plurality of hydrostatic motors 6 is threadedly connected with a plurality of evenly distributed fastening bolts 16.

[0036] Specifically, the control console 15 is fixed to the top left side of the stacker body 1, so that the control buttons are integrated together, thereby making the operator more flexible and accurate in operating the walking device, and improving the safety of the equipment in use.

[0037] It should be noted that (the control valve 4, the hydraulic pump 5, the hydrostatic motor 6, the shaft coupling 8, the wheel speed sensor 10, and the control console 15) are all known or can be known to those skilled in the relevant technical field, and therefore will not be described here.

[0038] Working principle: the device sets the hydrostatic motor 6 on the walking wheel shaft of the stacker, which is used to directly drive the walking wheel 9, and the hydraulic pump 5 is connected with the hydrostatic motor 6 through the wear-resistant oil pipe 3, which is used to provide hydraulic power for the hydrostatic motor 6, and the control valve 4 is connected with the hydraulic pump 5 and the hydrostatic motor 6, which is used to control the flow direction and flow of the hydraulic oil, so as to directly drive the walking wheel 9 to rotate by adopting the hydrostatic motor 6, thereby reducing the noise of the walking device, improving the operating environment, and reducing the gear or chain transmission parts of the equipment, greatly reducing the maintenance cost.

[0039] And by installing the wheel speed sensor 10 on the walking wheel 9, the walking speed and steering angle of each walking wheel 9 can be monitored in real time, thus facilitating the accurate control of the walking speed and steering of the stacker by the operator, improving the operation safety, and meanwhile, the installed battery 11 can provide energy for the wheel speed sensor 10 through the wear-resistant wire 12, ensuring the long-term stable operation of the wheel speed sensor 10 while reducing the connection of external power lines, and meanwhile, by fixing the control console 15 on the top left side of the stacker body 1, the control buttons can be integrated together, thus making the operation of the walking device by the operator more flexible and accurate, improving the safety of the equipment use.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A hydrostatic travel device for a lift truck, comprising a lift truck body (1), characterized in that: The middle bottom of the stacker body (1) is provided with a hydraulic oil tank (2), and the left and right ends of the hydraulic oil tank (2) are provided with control assemblies; The control assembly comprises wear-resistant oil pipes (3) which are communicated at the left and right ends of the hydraulic oil tank (2), the other ends of the two wear-resistant oil pipes (3) are communicated with control valves (4), the middle portions of the two wear-resistant oil pipes (3) are fixedly connected with hydraulic pumps (5), the output ends of the two control valves (4) are fixedly connected with hydrostatic motors (6), the output ends of the plurality of hydrostatic motors (6) are fixedly connected with transmission shafts (7), the sides away from each other of the plurality of transmission shafts (7) are fixedly connected with couplings (8), the output ends of the plurality of couplings (8) are fixedly connected with walking wheels (9), and the middle portions of the plurality of walking wheels (9) are provided with monitoring assemblies.

2. A hydrostatic walking device for a lift truck as set forth in claim 1, wherein: The monitoring assembly comprises a plurality of wheel speed sensors (10) which are fixedly connected to the middle portions of the walking wheels (9), a plurality of storage batteries (11) which are fixedly connected to the upper ends of the middle portions of the walking wheels (9), and a plurality of wear-resistant wires (12) which are electrically connected to the output ends of the plurality of storage batteries (11).

3. A hydrostatic travel device for a lift truck as set forth in claim 2, wherein: The bottom ends of the plurality of wear-resistant wires (12) are electrically connected to the left and right sides of the wheel speed sensors (10).

4. A hydrostatic walking device for a lift truck as set forth in claim 2, wherein: The outer side walls of the plurality of walking wheels (9) are provided with a plurality of evenly distributed anti-skid lines (13).

5. A hydrostatic walking device for a lift truck as set forth in claim 1, wherein: The front right side of the hydraulic oil tank (2) is fixedly connected with an oil filling pipe (14).

6. A hydrostatic walking device for a lift truck as set forth in claim 1, wherein: The top left side of the stacker body (1) is fixedly connected with a control console (15).

7. A hydrostatic walking device for a lift truck as set forth in claim 1, wherein: The outer side walls of the plurality of hydrostatic motors (6) are threadedly connected with a plurality of evenly distributed fastening bolts (16).

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