阅读说明：本技术 一种岸边集装箱起重机用小车运行机构及其使用方法 (Trolley running mechanism for quayside container crane and use method thereof ) 是由 赵翼 张国强 钱小红 丁灵辉 于 2021-10-14 设计创作，主要内容包括：本发明提供一种岸边集装箱起重机用小车运行机构及其使用方法,包括底座和连接轴,底座上依次安装有驱动电机和减速箱,驱动电机的输出轴上设置有制动盘联轴器,制动盘联轴器与减速箱的输入轴相连接,减速箱的输出轴上设置有卷线筒联轴器,卷线筒联轴器上设置有卷筒,卷筒另一端通过连接轴安装有支撑座,支撑座与连接轴之间设置有轴承座,底座上安装有用于对制动盘联轴器进行减速的盘式制动器,本发明结构合理,便于组合安装,输送稳定性高,制动效果好,安全性高。(The invention provides a trolley running mechanism for a shore container crane and a use method thereof.)

1. The utility model provides a bank container is dolly running gear for hoist which characterized in that: including base (5) and connecting axle, install driving motor (1) and reducing gear box (2) on base (5) in proper order, be provided with brake disc shaft coupling (8) on the output shaft of driving motor (1), brake disc shaft coupling (8) are connected with the input shaft of reducing gear box (2), be provided with reel shaft coupling (12) on the output shaft of reducing gear box (2), be provided with reel (3) on reel shaft coupling (12), supporting seat (4) are installed through the connecting axle to the reel (3) other end, be provided with bearing frame (14) between supporting seat (4) and the connecting axle, install on base (5) and be used for carrying out the disc brake (7) that slow down to brake disc shaft coupling (8).

2. The trolley travelling mechanism for a shore container crane according to claim 1, wherein: a plurality of wire grooves (34) are formed in the side wall of the winding drum (3), a plurality of threaded columns (31) are arranged on the side wall of the winding drum (3), and nuts (32) and a rope pressing plate (33) for fixing a line for pulling the trolley to run in the wire grooves (34) are sequentially mounted on the threaded columns (31).

3. The trolley travelling mechanism for a shore container crane according to claim 1, wherein: the emergency brake is characterized in that an emergency motor (6) is arranged on the base (5), a first chain wheel (61) is installed on an output shaft of the emergency motor (6), a second chain wheel (9) is arranged on the brake disc coupling (8), and roller chains (20) are arranged on the first chain wheel (61) and the second chain wheel (9).

4. The trolley travelling mechanism for a shore container crane according to claim 3, wherein: the outer diameter of the first chain wheel (61) is smaller than that of the second chain wheel (9), and the number of teeth of the first chain wheel (61) is smaller than that of the second chain wheel (9).

5. The trolley travelling mechanism for a shore container crane according to claim 1, wherein: bearing (15) are arranged inside bearing seat (14), one side of bearing seat (14) close to reel (3) is provided with logical lid (13), one side of bearing seat (14) far away from reel (3) is provided with end cover (16), inside antifriction bearing (19) that are used for being connected with the connecting axle that are provided with of bearing seat (14), inside axle sleeve (15) that are used for carrying on spacingly to antifriction bearing (19) that are provided with of bearing seat (14).

6. The trolley travelling mechanism for a shore container crane according to claim 1, wherein: the end part of the connecting shaft is provided with a pressing plate shaft (17) penetrating through the end cover (16), the pressing plate shaft (17) is provided with a trolley encoder (18), and the supporting seat (4) is provided with a connecting frame for supporting the trolley encoder (18).

7. The trolley travelling mechanism for a shore container crane according to claim 5, wherein: and a hook-type oil nozzle (161) for injecting oil to the rolling bearing (19) is arranged on the end cover (16).

8. The trolley travelling mechanism for a shore container crane according to claim 1, wherein: one side of the winding drum (3) close to the reduction gearbox (2) is symmetrically provided with fixed wedges (10), and the fixed wedges (10) are provided with movable wedges (11).

9. The use method of the trolley travelling mechanism for the shore container crane according to any one of claims 1 to 8, wherein: the method comprises the following steps:

step (A), fixedly winding a rope for pulling the trolley;

step (B), driving the winding drum (3) to rotate, and enabling the rope on the winding drum (3) to pull the trolley to run;

step (C), braking the trolley;

and (D) enabling the trolley to stop emergently.

10. The use method of the trolley travelling mechanism for the shore container crane according to claim 9, wherein the trolley travelling mechanism comprises:

the step (A) specifically comprises the following steps

(A1) One end of a rope for pulling the trolley is placed in the wire groove (34), and the nut (32) is rotated to drive the rope pressing plate (33) to fix the rope;

(A2) enabling the driving motor (1) to work to drive the winding reel coupler (12) on the output shaft of the reduction gearbox (2) to rotate, and driving the winding reel (3) to rotate to wind the rope through rotation of the winding reel coupler (12);

(A3) the winding drum (3) rotates to drive the connecting shaft to rotate along the rolling bearing (19), and the connecting shaft rotates to drive the trolley encoder (18) to encode the number of rotation turns of the winding drum (3) for determining the running position of the trolley;

the step (B) specifically includes the following steps

(B1) Enabling the driving motor (1) to work to drive the winding reel coupler (12) on the output shaft of the reduction gearbox (2) to rotate, and driving the winding reel coupler (12) to rotate to drive the winding drum (3) to rotate to wind the rope and drive the trolley to run;

(B2) reversely enabling the driving motor (1) to work to drive the winding reel coupler (12) on the output shaft of the reduction gearbox (2) to rotate, and rotating the winding reel coupler (12) to drive the winding drum (3) to rotate to loosen the rope so as to enable the trolley to reversely run;

the step (C) specifically comprises the following steps

(C1) Operating the disc brake (7) to contact with the annular side surface of the brake disc coupling (8) so as to reduce the rotating speed of the brake disc coupling (8);

(C2) the rotating speed of the brake disc coupling (8) is reduced, so that the rotating speed of the reduction gearbox (2) is reduced, so that the rotating speed of the winding drum coupling (12) is reduced, the rotating speed of the winding drum (3) is reduced by reducing the rotating speed of the winding drum coupling (12), the rotating speed of the winding drum (3) is reduced, so that the rope winding speed is reduced, and the running action of the trolley driven by the rope is braked;

the step (D) specifically includes the following steps

(D1) When the driving motor (1) is damaged, the emergency motor (6) works, and the rotation direction of the emergency motor (6) is opposite to that of the winding drum (3);

(D2) an emergency motor (6) rotates to drive a first chain wheel (61) to rotate, the first chain wheel (61) rotates to drive a roller chain (20) to rotate, the roller chain (20) rotates to drive a second chain wheel (9) to rotate, the second chain wheel (9) rotates to drive a brake disc coupling (8) to move in the direction opposite to the rotating direction of a winding drum (3), and the brake disc coupling (8) rotates to drive the winding drum (3) to move in the direction opposite to the previous direction, so that the winding drum (3) is wound reversely and used for emergently stopping the trolley;

(D3) when the reverse winding force of the winding drum (3) driven by the emergency motor (6) is the same as the gravity of the trolley, the emergency motor (6) stops rotating, so that the trolley keeps a static state.

Technical Field

The invention discloses a trolley running mechanism for a shore container crane and a using method thereof, belonging to the technical field of shore container cranes.

Background

The shore container crane (called shore bridge or suspension bridge for short) is a professional device specially used for loading and unloading operations of a container ship on a container terminal, is generally installed on the shore of a port terminal, and the development of large-scale container transport ships, particularly ultra-Panama ship types, provides a higher updating requirement for the shore container crane: firstly, the technical parameters of the crane are improved, the speed parameter of the crane is high-speed, and the extension distance and the lifting height are increased; the rated lifting capacity under the lifting appliance is improved; secondly, develop the high-efficient bank container handling system of design to satisfy the requirement of hoist productivity of boats and ships maximization.

In the prior art, when a quayside container crane is used and a trolley for conveying goods is lifted, the conveying stability is low, the braking effect is poor, and the stability of the trolley for conveying goods is influenced; when a motor for driving the trolley to run is damaged, the trolley rapidly slides down due to gravity, so that ground workers are easily damaged, the safety is low, and the problem is solved by a trolley running mechanism for a shore container crane in urgent need.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a trolley running mechanism for a shore container crane and a using method thereof, which are used for solving the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a bank container is dolly operating device for hoist, includes base and connecting axle, install driving motor and reducing gear box on the base in proper order, be provided with brake disc coupling on driving motor's the output shaft, brake disc coupling is connected with the input shaft of reducing gear box, be provided with the reel shaft coupling on the output shaft of reducing gear box, be provided with the reel on the reel shaft coupling, the supporting seat is installed through the connecting axle to the reel other end, be provided with the bearing frame between supporting seat and the connecting axle, install the disc brake who is used for carrying out the speed reduction to brake disc coupling on the base.

Furthermore, a plurality of wire grooves are formed in the side wall of the winding drum, a plurality of thread columns are arranged on the side wall of the winding drum, and nuts and a rope pressing plate for fixing a wire for pulling the trolley to run in the wire grooves are sequentially arranged on the thread columns.

Furthermore, an emergency motor is arranged on the base, a first chain wheel is installed on an output shaft of the emergency motor, a second chain wheel is arranged on the brake disc coupler, and roller chains are arranged on the first chain wheel and the second chain wheel.

Further, the outer diameter of the first chain wheel is smaller than that of the second chain wheel, and the number of teeth of the first chain wheel is smaller than that of the second chain wheel.

Further, the inside bearing that is provided with of bearing frame, one side that the bearing frame is close to the reel is provided with leads to the lid, one side that the reel was kept away from to the bearing frame is provided with the end cover, the inside antifriction bearing that is used for being connected with the connecting axle that is provided with of bearing frame, the inside axle sleeve that is used for carrying on spacingly to antifriction bearing that is provided with of bearing frame.

Furthermore, the connecting shaft end is provided with a pressing plate shaft penetrating through the end cover, the pressing plate shaft is provided with a trolley encoder, and the supporting seat is provided with a connecting frame for supporting the trolley encoder.

Furthermore, a hook-type oil nozzle used for injecting oil to the rolling bearing is arranged on the end cover.

Furthermore, one side of the winding drum close to the reduction gearbox is symmetrically provided with fixed wedge blocks, and movable wedge blocks are arranged on the fixed wedge blocks.

A use method of a trolley running mechanism for a shore container crane comprises the following steps:

step (A), fixedly winding a rope for pulling the trolley;

driving the winding drum to rotate, so that the rope on the winding drum pulls the trolley to run;

step (C), braking the trolley;

and (D) enabling the trolley to stop emergently.

Further, the step (A) specifically includes the following steps

(A1) One end of a rope pulling the trolley is placed in the wire groove, and the nut is rotated to drive the rope pressing plate to fix the rope;

(A2) enabling the driving motor to work to drive the winding reel coupler on the output shaft of the reduction gearbox to rotate, and driving the winding reel to rotate to wind the rope through rotation of the winding reel coupler;

(A3) the connecting shaft rotates to drive the trolley encoder to encode the rotating turns of the winding drum for determining the running position of the trolley;

the step (B) specifically includes the following steps

(B1) Enabling the driving motor to work to drive the winding reel coupler on the output shaft of the reduction gearbox to rotate, and driving the winding reel to rotate to wind the rope by the rotation of the winding reel coupler so as to drive the trolley to run;

(B2) reversely enabling the driving motor to work to drive the winding reel coupler on the output shaft of the reduction gearbox to rotate, and enabling the winding reel coupler to rotate to drive the winding reel to rotate to loosen the rope so as to enable the trolley to reversely run;

the step (C) specifically comprises the following steps

(C1) Making the disc brake work to contact with the annular side surface of the brake disc coupling, so that the rotating speed of the brake disc coupling is reduced;

(C2) the rotating speed of the brake disc coupler is reduced, so that the rotating speed of the reduction gearbox is reduced, the rotating speed of the winding reel coupler is reduced due to the reduction of the rotating speed of the reduction gearbox, the rotating speed of the winding reel coupler is reduced, the winding speed of the rope is reduced due to the reduction of the rotating speed of the winding reel, and the running action of the trolley driven by the rope is braked;

the step (D) specifically includes the following steps

(D1) When the driving motor is damaged, the emergency motor works, and the rotation direction of the emergency motor is opposite to that of the winding drum;

(D2) the emergency motor rotates to drive the first chain wheel to rotate, the first chain wheel rotates to drive the roller chain to rotate, the roller chain rotates to drive the second chain wheel to rotate, the second chain wheel rotates to drive the brake disc coupling to move in the direction opposite to the rotating direction of the winding drum, and the brake disc coupling rotates to drive the winding drum to move in the direction opposite to the previous direction, so that the winding drum is wound reversely and the trolley is used for emergently stopping;

(D3) when the force of the emergency motor driving the winding drum to wind reversely is the same as the gravity of the trolley, the emergency motor stops rotating to enable the trolley to keep a static state.

The invention has the beneficial effects that: the invention relates to a trolley running mechanism for a shore container crane, which is used for:

1. the disc brake is in contact with the annular side face of the brake disc coupler when working, so that the rotating speed of the brake disc coupler is reduced to drive the rotating speed of the winding drum to be reduced, the rope winding speed is reduced, the rope drives the trolley to move to brake, and the effect of conveniently braking the conveyed trolley is achieved;

2. the rope pressing plate is pressed by the nut, and the rope of the pulling trolley is fixed inside the wire groove on the winding drum by the rope pressing plate, so that the firmness of fixing the rope of the pulling trolley is improved, the rope is prevented from falling off, and the stability of the conveying trolley is improved;

3. the connecting shaft on the winding drum is connected with the rolling bearing in the bearing seat, and meanwhile, lubricating oil is injected into the rolling bearing by using the hook-type oil nozzle, so that the rotation part of the winding drum is prevented from being blocked, the rotation smoothness and the rotation stability of the winding drum are improved, and the stability of the conveying trolley is further improved;

4. through using emergent motor to drive the brake disc shaft coupling and rotate, and emergent motor rotation direction is opposite with reel rotation direction, plays the effect of being convenient for carry out urgent stop to the dolly, prevents that the dolly from sharply gliding from causing the injury to ground staff, the security when improving the use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a perspective view of a trolley travel mechanism for a quayside container crane of the present invention;

FIG. 2 is a front view of a trolley travel mechanism for a shore container crane of the present invention;

FIG. 3 is a top view of a trolley travel mechanism for a shore container crane of the present invention;

FIG. 4 is a cross-sectional view of E-E of FIG. 3 in accordance with the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 2 in accordance with the present invention;

FIG. 6 is a cross-sectional view of C-C of FIG. 3 in accordance with the present invention;

FIG. 7 is a cross-sectional view D-D of FIG. 3 in accordance with the present invention;

FIG. 8 is a cross-sectional view of B-B of FIG. 2 in accordance with the present invention;

in the figure: 1-driving motor, 2-reduction gearbox, 3-winding drum, 31-threaded column, 32-nut, 33-rope pressing plate, 34-wire groove, 4-supporting seat, 5-base, 6-emergency motor, 61-first chain wheel, 7-disc brake, 8-brake disc coupling, 9-second chain wheel, 10-fixed wedge block, 11-movable wedge block, 12-winding drum coupling, 13-through cover, 14-bearing seat, 15-shaft sleeve, 16-end cover, 161-hook type oil nozzle, 17-pressing plate shaft, 18-trolley encoder, 19-rolling bearing and 20-roller chain.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a bank container is dolly operating device for hoist, including base 5 and connecting axle, install driving motor 1 and reducing gear box 2 on the base 5 in proper order, be provided with brake disc coupling 8 on driving motor 1's the output shaft, brake disc coupling 8 is connected with reducing gear box 2's input shaft, be provided with reel coupling 12 on reducing gear box 2's the output shaft, be provided with reel 3 on reel coupling 12, supporting seat 4 is installed through the connecting axle to the 3 other end of reel, be provided with bearing frame 14 between supporting seat 4 and the connecting axle, install on the base 5 and be used for carrying out the disk brake 7 that slows down to brake disc coupling 8.

The side wall of the winding drum 3 is provided with a plurality of wire grooves 34, the side wall of the winding drum 3 is provided with a plurality of threaded columns 31, the threaded columns 31 are sequentially provided with nuts 32 and rope pressing plates 33 for fixing the line for pulling the trolley in the wire grooves 34, the design is characterized in that the rope pressing plates 33 are pressed by the nuts 32, the rope pressing plates 33 fix the rope for pulling the trolley in the wire grooves 34 on the winding drum 3, the firmness of the rope fixing for pulling the trolley is improved, the rope is prevented from falling off, the stability of the conveying trolley is further improved, the base 5 is provided with an emergency motor 6, an output shaft of the emergency motor 6 is provided with a first chain wheel 61, the brake disc coupling 8 is provided with a second chain wheel 9, the first chain wheel 61 and the second chain wheel 9 are provided with roller chains 20, the design is convenient for driving the brake disc coupling 8 to rotate by the emergency motor 6, and the rotation direction of the emergency motor 6 is opposite to the rotation direction of the winding drum 3, play the effect of being convenient for carry out urgent stop to the dolly, prevent that the dolly from sharply gliding to cause the injury to ground staff, security when improving the use, the external diameter of first sprocket 61 is less than the external diameter of second sprocket 9, and the number of teeth of first sprocket 61 is less than the number of teeth of second sprocket 9, has improved the rationality of this design.

Bearing 14 inside is provided with the bearing, one side that bearing frame 14 is close to reel 3 is provided with logical lid 13, one side that reel 3 was kept away from to bearing frame 14 is provided with end cover 16, bearing frame 14 inside is provided with and is used for carrying out the antifriction bearing 19 connected with the connecting axle, bearing frame 14 inside is provided with and is used for carrying out spacing axle sleeve 15 to antifriction bearing 19, this design has improved reel 3 pivoted stability, and then improve the stability of transport trolley, the connecting axle tip is provided with clamp plate axle 17 that runs through end cover 16, be provided with dolly encoder 18 on clamp plate axle 17, be provided with on the supporting seat 4 and be used for carrying out the link that supports dolly encoder 18, this design makes the connecting axle rotate, it codes to reel 3 number of turns to drive dolly encoder 18, be convenient for confirm dolly operating position.

The end cover 16 is provided with a hook-type oil nozzle 161 for injecting oil into the rolling bearing 19, the design facilitates the injection of the lubricating oil into the rolling bearing 19, the rotation of the winding drum 3 is prevented from being blocked, the rotating fluency is improved, the stability of the rope conveying trolley on the winding drum 3 is further improved, one side of the winding drum 3, which is close to the reduction gearbox 2, is symmetrically provided with a fixed wedge block 10, and a movable wedge block 11 is arranged on the fixed wedge block 10.

A use method of a trolley running mechanism for a shore container crane comprises the following steps:

step (A), fixedly winding a rope for pulling the trolley;

step (B), driving the winding drum 3 to rotate, and enabling the rope on the winding drum 3 to pull the trolley to run;

step (C), braking the trolley;

and (D) enabling the trolley to stop emergently.

The step (A) specifically comprises the following steps

(A1) One end of the rope of the pulling trolley is placed in the wire groove 34, the nut 32 is rotated to drive the rope pressing plate 33 to fix the rope, the firmness of fixing the rope of the pulling trolley is improved, the rope is prevented from falling off, and the stability of the conveying trolley is further improved;

(A2) the driving motor 1 is enabled to work to drive the winding reel coupler 12 on the output shaft of the reduction gearbox 2 to rotate, and the winding reel coupler 12 rotates to drive the winding drum 3 to rotate to wind the rope;

(A3) the drum 3 rotates to drive the connecting shaft to rotate along the rolling bearing 19, and the connecting shaft rotates to drive the trolley encoder 18 to encode the number of rotation turns of the drum 3 for determining the running position of the trolley;

the step (B) specifically includes the following steps

(B1) The driving motor 1 is enabled to work to drive the winding reel coupler 12 on the output shaft of the reduction gearbox 2 to rotate, the winding reel coupler 12 rotates to drive the winding drum 3 to rotate to wind the rope, and the trolley is driven to run;

(B2) reversely enabling the driving motor 1 to work to drive the winding reel coupler 12 on the output shaft of the reduction gearbox 2 to rotate, and enabling the winding reel coupler 12 to rotate to drive the winding reel 3 to rotate to loosen the rope so as to enable the trolley to reversely run;

the step (C) specifically comprises the following steps

(C1) Operating the disc brake 7 to contact the annular side surface of the brake disc coupling 8, so that the rotating speed of the brake disc coupling 8 is reduced;

(C2) the rotating speed of the brake disc coupling 8 is reduced, so that the rotating speed of the reduction gearbox 2 is reduced, the rotating speed of the winding drum coupling 12 is reduced to drive the rotating speed of the winding drum 3 to be reduced, the rotating speed of the winding drum 3 is reduced to reduce the rope winding speed, so that the rope drives the trolley to move to brake, and the effect of conveniently braking the conveyed trolley is achieved;

the step (D) specifically includes the following steps

(D1) When the driving motor 1 is damaged, the emergency motor 6 works, and the rotation direction of the emergency motor 6 is opposite to that of the winding drum 3;

(D2) the emergency motor 6 rotates to drive the first chain wheel 61 to rotate, the first chain wheel 61 rotates to drive the roller chain 20 to rotate, the roller chain 20 rotates to drive the second chain wheel 9 to rotate, the second chain wheel 9 rotates to drive the brake disc coupling 8 to move in the direction opposite to the rotating direction of the winding drum 3, the brake disc coupling 8 rotates to drive the winding drum 3 to move in the direction opposite to the previous direction, the winding drum 3 is wound reversely, the emergency stop of the trolley is achieved, the emergency stop effect of the trolley is facilitated, the trolley is prevented from rapidly sliding down to cause injury to ground workers, and the safety in use is improved;

(D3) when the reverse winding force of the drum 3 driven by the emergency motor 6 is the same as the gravity of the trolley, the emergency motor 6 stops rotating, so that the trolley keeps a static state.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.