CN209853580U - Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor - Google Patents

Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor Download PDF

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Publication number
CN209853580U
CN209853580U CN201920311603.1U CN201920311603U CN209853580U CN 209853580 U CN209853580 U CN 209853580U CN 201920311603 U CN201920311603 U CN 201920311603U CN 209853580 U CN209853580 U CN 209853580U
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trolley
driving
gear
motor
bearing
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CN201920311603.1U
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Chinese (zh)
Inventor
戴炼
侯俊涛
张锋锋
崔立
任二淼
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Jiangsu Runbang Industrial Equipment Co., Ltd
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RAINBOW-CARGOTEC INDUSTRIES Co Ltd
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Abstract

The utility model discloses a gantry crane trolley with lower rotation and single motor synchronous lifting, which comprises an upper driving trolley, a lower driving trolley, a rotation mechanism and a synchronous lifting mechanism, wherein the lower driving trolley is rotationally connected with the upper driving trolley through the rotation mechanism, and the synchronous lifting mechanism is arranged on the lower driving trolley; two motors are arranged in the slewing bearing for driving, so that the number of the motors is small, the number of fault points is small, the maintenance is simple, and the efficiency is high; in addition, the lower rotary trolley is smaller in overall size, lighter in overall weight, easier to manufacture and machine, and lower in machine type energy consumption under the same lifting height and lifting weight. The synchronous hoisting mechanism adopts the arrangement form of one motor and two hoisting mechanisms for hoisting the hoisting drums, so that the occupied space is small, the simplification and the lightweight design are facilitated, meanwhile, the weight of the whole machine is light, and the processing and the manufacturing are simple and convenient.

Description

Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor
Technical Field
The utility model relates to a hoist field, in particular to gantry crane trolley of synchronous formula of lifting of gyration and single motor down.
Background
In the prior art, a gantry crane is a common large-scale device for hoisting containers. Compared with the heavy and single working condition of a portal frame, the trolley part is more complex. Besides normal translation along the rail, the trolley must be capable of rotating in order to adapt to the varied spatial positions of the containers, and in addition, the lifting of each rope of the container steel wire rope sling should be synchronous so as to ensure normal and stable lifting and unloading work, and the arrangement form and the control method of the lifting mechanism need to be designed reasonably. Conventional gantry cranes have deficiencies in both of these respects. On the one hand, traditional go up the rotation dolly and need set up the gyration track on the translation dolly, the rotation dolly needs 4 motor drive, and too much ground part leads to the equipment trouble point many and the maintenance degree of difficulty great, and in addition, it is great to go up the whole size of rotation dolly, and whole weight is heavier, and manufacturing is comparatively difficult, and the model energy consumption under equal lifting height and the lifting weight is than higher. On the other hand, two hoisting motors and two speed reducers are independently arranged on two hoisting drums of the traditional hoisting mechanism respectively, the whole structure is large and heavy, the machining and the manufacturing are difficult, the operation energy consumption is high, in addition, in order to ensure the synchronism of hoisting, the two motors must be accurately and synchronously controlled, and the control difficulty is high.
In summary, it is an urgent need to solve the above problems by those skilled in the art to provide a gantry crane carriage capable of effectively solving the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the main object of the utility model is to overcome the defects in the prior art, and to disclose a gantry crane trolley with lower rotation and single motor synchronous lifting, which comprises an upper driving trolley, a lower driving trolley, a rotation mechanism and a synchronous lifting mechanism, wherein the lower driving trolley is rotationally connected with the upper driving trolley through the rotation mechanism, and the synchronous lifting mechanism is arranged on the lower driving trolley; wherein the content of the first and second substances,
synchronous hoisting mechanism is including the reel mechanism and the drive that the symmetry set up reel mechanism's a driving motor, reel mechanism includes connecting rod, stopper, reduction gear and plays to rise the reel, the one end installation of connecting rod reduction gear and stopper, play to rise the reel with retarder connection utilizes a driving motor drive the connecting rod motion makes the reduction gear drives it rotates to play to rise the reel.
Further, the reel mechanism further comprises an elastic coupling, and the connecting rod is connected with the first driving motor through the elastic coupling.
Further, the first driving motor is a double-shaft output motor.
Further, slewing mechanism includes slewing bearing, slewing gear rotary mechanism and second driving motor, slewing bearing respectively with go up the drive dolly with drive dolly down is connected, slewing gear rotary mechanism sets up slewing bearing is last, utilizes second driving motor drive slewing gear rotary mechanism motion makes slewing bearing rotates.
Further, slewing bearing's outer lane with it is fixed to go up the drive dolly, the inner circle with it is fixed to drive the dolly down, slewing gear rotary mechanism includes external tooth gear and internal tooth gear, external tooth gear meshing sets up in the internal tooth gear, the internal tooth gear with slewing bearing's inner circle is fixed, the drive of second driving motor external tooth gear rotates, drives the internal tooth gear rotates, makes drive the dolly rotates down.
Further, the number of the external gear is two, and the number of the driving motors is two, and the two driving motors respectively drive the two external gears.
Further, the slewing bearing is an angular contact bearing.
Further, the upper driving trolley and the lower driving trolley are respectively fixed with the slewing bearing through bolts.
The utility model discloses the beneficial effect who gains:
compared with the traditional rotary trolley, the two motors are arranged in the rotary bearing for driving, so that the number of the motors is small, the number of fault points is small, the maintenance is simple, and the efficiency is high; in addition, the lower rotary trolley has smaller integral size, lighter integral weight, easier manufacture and processing, and lower energy consumption of the machine type under the same lifting height and lifting weight; in addition, the lower trolley can rotate for 0-270 degrees through the rotating mechanism, and the regulation range is large. The synchronous hoisting mechanism adopts the arrangement form of one motor and two hoisting mechanisms of hoisting reels, so that the occupied space is small, the simplification and the lightweight design are facilitated, and meanwhile, the whole machine is light in weight and is simple and convenient to process and manufacture; in addition, the arrangement form has the advantages of more energy saving, higher efficiency and more environmental protection in acceleration and deceleration; in addition, the problem of motor asynchronism does not exist, and the control is more convenient.
Drawings
Fig. 1 is a front view of a gantry crane trolley of the present invention, which is of a lower-revolving and single-motor synchronous lifting type;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a synchronous lifting mechanism;
fig. 4 is an enlarged view of B in fig. 2.
The reference numbers are as follows:
1. the automatic winding device comprises an upper driving trolley, 2 a lower driving trolley, 3 a slewing mechanism, 5 a synchronous hoisting mechanism, 31 a slewing bearing, 32 a slewing gear rotating mechanism, 33 a second driving motor, 41 a winding drum mechanism, 42 a first driving motor, 321, an external gear, 322, an internal gear, 411, a connecting rod, 412, a brake, 413, a speed reducer, 414 and a hoisting winding drum.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model discloses a portal crane trolley of synchronous formula of lifting of gyration and single motor down, as shown in figure 1-2, including last drive trolley 1, lower drive trolley 2, rotation mechanism 3 and synchronous hoisting mechanism 4, lower drive trolley 1 passes through rotation mechanism 3 and 1 swivelling joint of last drive trolley, goes up drive trolley 1 and installs on the portal frame to can move on the portal frame, with the horizontal position of the hoist and mount thing of change drive trolley 2 down, then drive trolley 2 horizontal rotation under through the drive of rotation mechanism 3, and then change the angle of hoist and mount thing. The synchronous hoisting mechanism 4 is arranged on the lower driving trolley 2; used for lifting hoisted objects. Wherein the content of the first and second substances,
as shown in fig. 3, the synchronous hoisting mechanism 4 includes a winding drum mechanism 41 and a first driving motor 42 for driving the winding drum mechanism 41, the winding drum mechanism 41 includes a connecting rod 411, a brake 412, a speed reducer 413 and a hoisting winding drum 414, the speed reducer 413 and the brake 412 are installed at one end of the connecting rod 411, the hoisting winding drum 414 is connected with the speed reducer 413, the connecting rod 411 is driven by the first driving motor 42 to move, so as to transmit torque to the speed reducer 413, and the hoisting winding drum 414 is driven to rotate by the speed reducer 413; and then the steel wire rope is wound to lift or put down a lifting object. Specifically, one end of the link 411 is connected to an input gear of the decelerator 413, and the stopper 412 is installed at the same end of the link 411, and the stopper 412 and the decelerator 413 form a fixed connection. In another embodiment, the reel mechanism 41 further includes an elastic coupling, and the link 411 is connected to the first driving motor 42 through the elastic coupling. In addition, the first driving motor 42 can be a double-shaft output motor, and the connecting rods 411 of the two groups of winding drum mechanisms 41 are respectively connected with output shafts at two ends of the double-shaft output motor, so that the layout of the synchronous hoisting mechanism 4 is more reasonable, the occupied space is smaller, the simplification and the lightweight design are facilitated, meanwhile, the whole machine is lighter in weight, and the processing and the manufacturing are simpler and more convenient; the synchronous operation of the two groups of winding drum mechanisms 41 is ensured, and the control is more convenient.
As shown in fig. 4, the swing mechanism 3 includes a swing bearing 31, a swing gear rotating mechanism 32 and a second driving motor 33, the swing bearing 31 is connected to the upper driving trolley 1 and the lower driving trolley 2 respectively, so as to realize the rotational connection between the upper driving trolley 1 and the lower driving trolley 2; the slew bearing 31 may be an angular contact bearing. The slewing gear rotating mechanism 32 is arranged on the slewing bearing 31 and is used for power transmission of a rotating body of the lower driving trolley 2, and the second driving motor 33 is used for providing power support for rotation of the lower driving trolley 2. Specifically, the outer ring of the slewing bearing 31 is fixedly connected with the upper driving trolley 1, and the inner ring is fixedly connected with the lower driving trolley 2; the rotary gear rotating mechanism 32 comprises an external gear 321 and an internal gear 322, wherein the external gear 321 is meshed with the internal gear 322; the external gear 321 may be a spur cylindrical external gear, and the internal gear 322 may be a spur cylindrical internal gear. It is conceivable that, when the external gear 321 rotates, and the external gear 321 is held stationary, the internal gear 322 rotates around its center. Therefore, the internal gear 322 is fixedly connected to the inner ring of the slewing bearing 32, and may be fixed by an interference fit or a fixing method such as a bolt. The second driving motor 33 is installed on the upper driving trolley 1, an output shaft of the second driving motor is connected with the external gear 321, the external gear 321 is driven to rotate through the second driving motor 33, the internal gear 322 is driven to rotate, and the rotation of the lower driving trolley 2 is achieved.
In a preferred embodiment, two external gears 321 are symmetrically arranged, correspondingly, two second driving motors 33 are also arranged, and the two external gears 321 are driven by two independent driving motors, so that the lower driving trolley 2 rotates more sensitively and stably and has high responsiveness. In addition, two external tooth gears 321 are symmetrically arranged, and drive force is provided for two ends of the internal tooth gear 322 at the same time, so that load between gears is prevented from being increased by unilateral drive, the service life of the gears is further prolonged, and meanwhile, the stability of the lower driving trolley 2 during rotation is also increased.
Referring to fig. 1-4, when the present invention is in use, the two second driving motors 33 provide power to drive the two external gears 321 to rotate, so that the internal gears 322 drive the inner ring of the slewing bearing 31 to rotate, thereby realizing the rotation of the lower driving trolley 2; if the lower driving trolley 2 needs to be reversely driven, only the second driving motor 33 needs to be turned over. In addition, the output shafts at two sides of the first driving motor 42 synchronously provide power for the drum mechanisms 41 at two sides, the connecting rod 411 is driven to rotate, and the power is transmitted to the lifting drum 414 through the speed reducer 413 to drive the lifting drum 414 to rotate, so that the steel wire rope is wound, and the lifting and the lowering of a lifted object are realized; at the same time, the brake 412 provides a braking force to the reel mechanism 41, and controls deceleration and stop of the reel mechanism 41.
The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims (8)

1. A gantry type crane trolley capable of realizing lower rotation and single-motor synchronous lifting is characterized by comprising an upper driving trolley, a lower driving trolley, a rotation mechanism and a synchronous lifting mechanism, wherein the lower driving trolley is in rotary connection with the upper driving trolley through the rotation mechanism, and the synchronous lifting mechanism is arranged on the lower driving trolley; wherein the content of the first and second substances,
synchronous hoisting mechanism is including the reel mechanism and the drive that the symmetry set up reel mechanism's a driving motor, reel mechanism includes connecting rod, stopper, reduction gear and plays to rise the reel, the one end installation of connecting rod reduction gear and stopper, play to rise the reel with retarder connection utilizes a driving motor drive the connecting rod motion makes the reduction gear drives it rotates to play to rise the reel.
2. The gantry crane trolley of claim 1, wherein the drum mechanism further comprises an elastic coupling, and the connecting rod is connected to the first driving motor through the elastic coupling.
3. The gantry crane trolley of claim 1, wherein the first drive motor is a dual-shaft output motor.
4. The gantry crane trolley of claim 1, wherein the revolving mechanism comprises a revolving bearing, a revolving gear rotating mechanism and a second driving motor, the revolving bearing is connected to the upper driving trolley and the lower driving trolley respectively, the revolving gear rotating mechanism is disposed on the revolving bearing, and the second driving motor is used to drive the revolving gear rotating mechanism to move, so that the revolving bearing rotates.
5. The gantry crane trolley capable of synchronously lifting by using the lower slewing bearing and the single motor as claimed in claim 4, wherein the outer ring of the slewing bearing is fixed to the upper driving trolley, the inner ring of the slewing bearing is fixed to the lower driving trolley, the slewing gear rotating mechanism comprises an outer gear and an inner gear, the outer gear is meshed with the inner gear, the inner gear is fixed to the inner ring of the slewing bearing, and the second driving motor drives the outer gear to rotate to drive the inner gear to rotate so as to rotate the lower driving trolley.
6. The gantry crane trolley according to claim 5, wherein the number of the external gears is two, and the number of the driving motors is two, and the two driving motors respectively drive the two external gears.
7. The gantry crane trolley of claim 4, wherein the slewing bearing is an angular contact bearing.
8. The gantry crane trolley capable of realizing downward rotation and synchronous single-motor lifting as claimed in claim 4, wherein the upper driving trolley and the lower driving trolley are respectively fixed with the rotation bearing through bolts.
CN201920311603.1U 2019-03-12 2019-03-12 Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor Active CN209853580U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920311603.1U CN209853580U (en) 2019-03-12 2019-03-12 Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920311603.1U CN209853580U (en) 2019-03-12 2019-03-12 Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor

Publications (1)

Publication Number Publication Date
CN209853580U true CN209853580U (en) 2019-12-27

Family

ID=68933466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920311603.1U Active CN209853580U (en) 2019-03-12 2019-03-12 Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor

Country Status (1)

Country Link
CN (1) CN209853580U (en)

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Address after: 215427 Jiangsu Suzhou Taicang city Taicang port economic and Technological Development Zone

Patentee after: Jiangsu Runbang Industrial Equipment Co., Ltd

Address before: 215427 Jiangsu Suzhou Taicang city Taicang port economic and Technological Development Zone

Patentee before: RAINBOW-CARGOTEC INDUSTRIES Co.,Ltd.

CP01 Change in the name or title of a patent holder