WO2019061707A1

WO2019061707A1 - Electric traveling rail trolley

Info

Publication number: WO2019061707A1
Application number: PCT/CN2017/110046
Authority: WO
Inventors: 全惠文; 庄伟涛; 贺乐; 赵自奇
Original assignee: 广船国际有限公司
Priority date: 2017-09-29
Filing date: 2017-11-08
Publication date: 2019-04-04
Also published as: CN107651611A

Abstract

A trolley, comprising a trolley body, a support table (2), a hydraulic mechanism, and a control assembly. The bottom of the trolley body is provided with four wheels (1) which are in rail connection with rails (6) inside a ship cabin. Each electric traveling rail wheel (1) is connected to a motor (11), and the four motors (11) are connected in series. The support table (2) is disposed on the trolley body in rise and fall fashion, and a scissor structure (4) is disposed between the support table (2) and the trolley body. The hydraulic mechanism comprises a hydraulic cylinder (31); the hydraulic cylinder (31) is connected to the scissor structure (4) and used for driving the support table (2) to rise and fall. The control assembly is electrically connected to the motors (11) and the hydraulic mechanism, respectively. By making the support table (2) for supporting a boat to be moved to rise and fall using the hydraulic cylinder (31) and driving the rail trolley to move by means of the motors (11), the electric traveling rail trolley resolves the problem of the incapability of completing the pickup, displacement, and the placement of a boat in a transport cabin of a ship.

Description

Electric driving track trolley

Technical field

The invention relates to the technical field of ship transportation equipment, in particular to an electric traveling track trolley.

Background technique

In the field of application of ships, some small boats usually need to be transported by land or deck to the cabin of a large ship.

However, the handling of the boat can not be completed by using the cart. The work of transporting the boat on the land is generally carried out by hoisting, which not only requires a lot of space but also equipment costs; but the boat is transported on the deck. Lifting movements are generally not used because the sea conditions in which the ship is located are very unstable, which affects the safe transport of the boat. Moreover, the hoisting movement can only be used for hoisting movement outside the cabin, but the boating, shifting and placing of the boat in the cabin is full of difficulties and inconveniences.

Therefore, there is an urgent need for an electric traveling track car to solve the above problems.

Summary of the invention

It is an object of the present invention to provide an electric traveling track trolley to solve the problem that the boat cannot complete the docking, displacement and placement in the large ship transport cabin.

To this end, the present invention employs the following technical solutions:

An electric traveling track trolley comprising:

The vehicle body is provided with four wheels connected to the rails inside the cabin, one motor is connected to each wheel, and four motors are connected in series;

a support platform, which is vertically disposed on the vehicle body, and a scissor structure connecting the two is disposed between the support platform and the vehicle body;

Hydraulic mechanism including a hydraulic cylinder connected to a scissor structure for driving support Lifting

Control components that are electrically coupled to the motor and hydraulic mechanism, respectively.

Preferably, the support table is provided with a positioning groove matching the bottom structure of the boat to be moved for supporting the boat to be moved.

Preferably, the upper surface of the positioning groove is provided with a vibration damping pad.

Preferably, an electromagnetic brake mechanism is provided in the motor.

Preferably, the wheel is provided with a oscillating type planetary gear reducer, and the oscillating type planetary gear reducer is coupled to the wheel axle of the wheel.

Preferably, an angular contact ball bearing is disposed outside the axle of the wheel.

Preferably, the hydraulic mechanism further includes a hydraulic oil tank and a hydraulic pump valve, and the hydraulic oil tank and the hydraulic pump valve are spaced apart.

Preferably, the hydraulic cylinder is provided with a mechanical limit mechanism. When the hydraulic cylinder is raised to a certain height, the mechanical limit mechanism is used to lock the oil passage to prevent the boat to be moved from falling.

Preferably, a rechargeable battery pack is further disposed on the vehicle body, and the output ends of the battery pack are electrically connected to the four motors respectively.

Preferably, the method further comprises:

a displacement sensor disposed on the vehicle body and electrically connected to the control component for recording the current position and speed of the vehicle body;

a display electrically coupled to the control assembly for displaying and controlling the current position and speed of the track trolley;

The crash pad is disposed at the front and rear ends of the vehicle body.

The beneficial effects of the invention:

The invention provides an electric traveling track trolley, adopts a hydraulic cylinder lifting and lowering for supporting the support platform of the boat to be moved and drives the rail car to move through the motor, thereby solving the problem that the boat cannot complete the docking and shifting in the large ship transport cabin. And the problem of placement; the support table is provided with a positioning groove, which matches the bottom structure of the boat to be moved, can better support the boat; and the cushion is arranged on the positioning groove, which can reduce the boat The function of the shock buffer avoids the rigid touch; the motor is provided with an electromagnetic brake mechanism, which can ensure that once the electromagnetic brake is lost, the railcar moves when the hull is unstable; the hydraulic pump valve and the hydraulic oil tank are separately arranged, On the premise that the layout space of the track car is limited, the heat dissipation effect of the track car is improved; the mechanical limit mechanism is set on the hydraulic cylinder to prevent the boat from falling; the lithium battery is used as the power source of the track car, which can ensure the battery Taking up a small volume, it can reduce the load of the rail car; using a cycloidal pinion planetary gear reducer can greatly Reduction efficiency of the motor; using angular contact ball bearings, the wheels can bear radial and axial forces from the wheels more stable traveling on the rails; using crash cushion, can better protect the rail car.

DRAWINGS

Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings in which

1 is a side view of an electric traveling rail car according to an embodiment of the present invention;

Figure 2 is a front elevational view of the electric traveling rail car of Figure 1;

3 is a top plan view of the electric traveling rail car of FIG. 1.

In the picture:

1, wheel; 11, motor; 12, pendulum type planetary gear reducer; 13, angular contact ball bearing;

2, support table, 21, cushion;

31, hydraulic cylinder; 32, hydraulic tank; 33, hydraulic pump valve;

4, scissor structure; 5, crash pad; 6, rail.

Detailed ways

The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1 to FIG. 3, the present embodiment provides an electric traveling track trolley including a vehicle body, a support base 2, a hydraulic mechanism and a control assembly, wherein the bottom of the vehicle body is provided with four vehicles inside the cabin. The rails of the rails 6 are connected to each other, and each of the wheels 1 is connected with a motor 11 and four motors 11 are connected in series; the support table 2 is vertically arranged on the vehicle body, and the connection between the support table 2 and the vehicle body is provided. The scissor structure 4; the hydraulic mechanism includes a hydraulic cylinder 31 connected to the scissor structure 4 for driving the support table 2 to be lifted and lowered; the control assembly is electrically connected to the motor 11 and the hydraulic mechanism, respectively. The invention adopts the hydraulic cylinder 31 to lift and lower the support table 2 for supporting the boat to be moved, and drives the rail car movement by the motor 11, thereby solving the problem that the boat cannot complete the receiving, shifting and placing in the large ship transport cabin. .

Specifically, the support table 2 is provided with a positioning groove matched with the bottom structure of the boat to be moved for supporting the boat to be moved. Preferably, the positioning groove is a groove structure with a low height between the two sides, and the hydraulic pressure is driven by the motor 11. The cylinder 31 is lifted and lowered, and the lifting and lowering of the support table 2 is completed by the scissor structure 4. Wherein, the specific embodiment of the present invention adopts a DC series-excited motor, and each of the motors 11 drives a wheel shaft of the wheel 1 through a cycloidal pinion gear reducer 12, that is, four motors 1 are respectively driven by four motors 11. The four motors 11 are connected in series to ensure the synchronous operation of the motor 11, and at the same time, the speed of the motor 11 is controlled by the DC inverter to realize different speeds corresponding to the starting, acceleration and advancement of the trolley. In order to arrange the lower motor 11 in a small space to avoid interference with the hull, the motor 11 adopts a two-pole high-speed motor, which has the advantages of small size and light weight. The rail car uses a lithium iron phosphate battery pack to provide power, which is due to the small size and light weight of the lithium battery. The battery calculates the required capacity according to the endurance of 2.5 hours, and the battery pack uses 110V voltage to reduce the current. The motor 11 has the brake brake power. Once the power is lost, the electromagnetic brake is applied to avoid the movement of the railcar when the hull is unstable.

Specifically, the body of the rail car uses high-strength 45 steel to meet the requirements of the force. Wheel 1 is an angular contact ball bearing 13 with the bearing housing, can withstand the radial and axial forces of the wheel 1, making the wheel 1 more stable on the rail 6, and the outer surface of the angular contact ball bearing 13 is provided with dustproof The ring and skeleton seal to better protect the bearing.

Specifically, since the arrangement space is limited, the hydraulic pump valve 33 of the hydraulic pump station and the hydraulic oil tank 32 are separated to improve the heat dissipation effect; and the hydraulic cylinder 31 is provided with a mechanical limit mechanism, when the hydraulic cylinder 31 rises to a certain height, the machine The limit mechanism is used for locking the oil passage to prevent the boat from falling; and the hydraulic pump station driven by the DC motor 11 is compact and small in size; in addition, the hydraulic oil tank 32 is connected with the hydraulic pump to provide hydraulic pressure to the hydraulic pump from beginning to end. The oil then lifts the support table 2.

Specifically, the rail car is disposed inside the cabin by using the rail 6 to facilitate the transportation of the railcar; the cycloidal pinion planetary gear reducer 12 can greatly improve the deceleration efficiency of the motor, and the operation is smooth and the noise is low. The number of teeth is large, the overlap coefficient is large, and the mechanism of machine balance is used to minimize vibration and noise. The angular contact ball bearing 13 can withstand the radial and axial forces of the wheel 1 to make the wheel 1 more stable. Driving on the track 6; using the crash pad 5, the track car can be better protected; the cushion 21 is provided on the support table 2, which can play the role of shock absorption buffer for the boat, avoiding rigid touch Preferably, the crash pad 5 and the cushion 21 are made of a rubber material, which can provide good cushioning and shock absorption, and can save production costs.

Specifically, the track car further includes a control system, and the control system adopts a PLC system, which can record the position of the boat movement and feed back to the control system to move the boat in order to prevent misoperation; the control system also sets the rail car in different The speed of the phase advances to better assist the pick-up, displacement and placement of the railcar. In addition, the battery compartment and the electric control box of the rail car are provided with protective measures, the protection level is above IP44, and the important parts such as the battery compartment are taken reliably waterproof; the charger and the electric control box are placed at the front end of the rail car for convenient operation. The location; and a remote control box for remote control of the control system. Thus, through the control system, the hydraulic system, the scissor structure 4, the motor 11 and the rail 6, the rail car can be The small space of the cabin runs along the track and is accurately positioned by the sensor and fed back to the control system. Moreover, the device is easy to operate and easy to disassemble; the structure design is simple, the cost is low, the safety performance is high, and the sea level can be satisfied. Operational work.

It is apparent that the above-described embodiments of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims

An electric traveling track trolley characterized by comprising:

The vehicle body is provided with four wheels (1) which are connected to the rails (6) inside the cabin, and each of the wheels (1) is connected with a motor (11), and the four motors (11) )

a support table (2), which is hoistably disposed on the vehicle body, and a scissor structure (4) connecting the two between the support table (2) and the vehicle body;

a hydraulic mechanism including a hydraulic cylinder (31) coupled to the scissor structure (4) for driving the support table (2) to move up and down;

A control assembly is electrically coupled to the motor (11) and the hydraulic mechanism, respectively.
The electric traveling track trolley according to claim 1, characterized in that the support table (2) is provided with a positioning groove matching the bottom structure of the boat to be moved for supporting the boat to be moved.
The electric traveling track trolley according to claim 2, wherein the upper surface of the positioning groove is provided with a vibration damping pad (21).
The electric traveling track trolley according to claim 1, characterized in that the electric motor (11) is provided with an electromagnetic brake mechanism.
The electric traveling track trolley according to claim 1, characterized in that the wheel (1) is provided with a oscillating type planetary gear reducer (12), and the oscillating type planetary gear reducer (12) The axle of the wheel is connected.
The electric traveling track trolley according to claim 5, characterized in that an angular contact ball bearing (13) is arranged outside the axle of the wheel (1).
The electric traveling rail car according to any one of claims 1 to 6, characterized in that the hydraulic mechanism further comprises a hydraulic oil tank (32) and a hydraulic pump valve (33), the hydraulic oil tank (32) and the The hydraulic pump valve (33) is spaced apart.
The electric traveling track trolley according to claim 7, wherein said hydraulic cylinder (31) A mechanical limit mechanism is provided. When the hydraulic cylinder (31) rises to a certain height, the mechanical limit mechanism is used to lock the oil passage to prevent the boat to be moved from falling.
The electric traveling track trolley according to any one of claims 1 to 6, wherein the vehicle body is further provided with a rechargeable lithium battery pack, and the output ends of the lithium battery pack are respectively described by four The motor (11) is electrically connected.
The electric traveling track trolley according to any one of claims 1 to 6, further comprising:

a displacement sensor disposed on the vehicle body and electrically connected to the control component for recording a current position and a speed of the vehicle body;

a display electrically coupled to the control assembly for displaying and controlling a current position and speed of the track trolley;

A crash pad (5) is disposed at the front and rear ends of the vehicle body.