CN102229402A - Rubber-tired container gantry crane and steering device thereof - Google Patents
Rubber-tired container gantry crane and steering device thereof Download PDFInfo
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- CN102229402A CN102229402A CN2011101335263A CN201110133526A CN102229402A CN 102229402 A CN102229402 A CN 102229402A CN 2011101335263 A CN2011101335263 A CN 2011101335263A CN 201110133526 A CN201110133526 A CN 201110133526A CN 102229402 A CN102229402 A CN 102229402A
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Abstract
The invention provides a rubber-tired container gantry crane and a steering device thereof. The steering device is characterized in that the device comprises a cart equalizer bar, a left supporting cart frame, a right supporting cart frame, pivoting supports and a push rod which can move in two directions; left wheels are arranged below the left supporting cart frame; right wheels are arranged below the right supporting cart frame; the left supporting cart frame is provided with an area allowing a pin roll connection; the left supporting cart frame and the right supporting cart frame are connected to the cart equalizer bar through the pivoting supports; one end of the push rod is connected to a pin roll of the left supporting cart frame and the other end of the push rod is connected to a pin roll of the right supporting cart frame; and the two ends of the push rod move in the same direction to drive the left supporting cart frame and the right supporting cart frame to rotate in the same direction. The steering device realizes a direction change without a lifting-up structure, does not need a connecting rod and its associated parts, has the advantages of less parts, light quality and compact structure.
Description
Technical field
The present invention relates to engineering machinery field, specifically, relate to a kind of tyred container door type crane and steering hardware thereof.
Background technology
Tyred container door type crane (RTG) is a kind of being used for carrying out the loading and unloading of freight container and store up the loading-unload machine of operation at harbour.Pier storage yard generally has several runways, and for can the operation of carry over ground, hoisting crane be provided with 90 ° of right-angle steering devices and 360 ° of Steerring in situ device.Under the early stage situation, pier storage yard is provided with a fixed location for turning to usefulness, lays for the steel plate that turns to usefulness in this fixed location.When hoisting crane will turn to, hoisting crane is moved to the fixed location, tire is contacted with steel plate, turn to then.Can suitably reduce the cornering resistance of tire like this, alleviate Tyte Wear, prolong the service life of tire.But such operation measure bothers very much, uses inconvenience.
At present common tyred container door type crane steering hardware is the jacking steering structure, by hydraulic ram or electric pushrod jacking with complete machine jack-up, make tire break away from ground after, turn to again, do not have Tyte Wear like this, reduced the turnover rate of tire.Adopt the steering hardware of jacking steering structure that following two kinds of common modes are arranged:
1, hydraulic ram promotes to turn to, and comprises that a location oil cylinder, turns to an oil cylinder and a lock pin oil cylinder.Positional cylinder, turn to oil cylinder and lock pin oil cylinder all to be arranged under the equalizing bar, turn to oil cylinder to be arranged under the nearly inboard of equalizing bar, positional cylinder is arranged under the nearly outside of equalizing bar, and the setting of lock pin oil cylinder turns between oil cylinder and the positional cylinder.Turn to cylinder block to be connected with equalizing bar by bearing, its output shaft connects to ground by another bearing.Rely on the collapsing length and the electric limit switch of oil cylinder to guarantee the cart steering position and the cart turn sign is provided.
2, electric pushrod promotes to turn to, the fixed end of electric pushrod is installed on a side of equalizing bar below, movable end is connected with the wheel support vehicle frame of equalizing bar one end, link to each other by the vehicle frame of a Linkage steering with the equalizing bar other end with electric pushrod bonded assembly vehicle frame, this Linkage steering is arranged in the opposite side of equalizing bar below with respect to electric pushrod.When electric pushrod work is extended, promote to rotate with its movable end bonded assembly wheel vehicle frame.This vehicle frame is again by turning to push rod to promote other end frame-steering, thereby realizes that entire mechanism turns to.Electric pushrod at 0 ° of angle, 16 ° of angles, 90 ° of angle band self-lockings, need not locating dowel pin.
No matter be that above-mentioned hydraulic ram promotes to turn to, or electric pushrod promotes to turn to, and all needs the vehicle frame that a connecting rod connects two ends under the equalizing bar, realizes turning to synchronously of two vehicle frames.The steering hardware more complicated, maintenance cost is higher.
Summary of the invention
In order to overcome the above-mentioned defective and the deficiency of prior art, the object of the present invention is to provide a kind of tyred container door type crane steering hardware, this device does not need to realize turning to by climbing structure, does not need connecting rod and associated components thereof yet, simple in structure, maintenance cost is low.
Tyred container door type crane steering hardware of the present invention comprises:
The cart equalizing bar;
Left side supporting frame and right supporting frame are provided with left wheel below described left supporting frame, be provided with right wheel below described right supporting frame, but be provided with the bearing pin join domain on described left supporting frame and the right supporting frame;
Pivoting support, described left supporting frame is connected with the cart equalizing bar by described pivoting support with right supporting frame;
But the push rod of double end output, one end of described push rod is connected with described left supporting frame bearing pin, the other end of described push rod is connected with described right supporting frame bearing pin, all move to same direction at the two ends of described push rod, rotates to same direction to drive described left supporting frame and right supporting frame.
Preferred as technique scheme, described tyred container door type crane steering hardware also comprises:
Turn to the driving propulsion source, the described driving propulsion source that turns to is used to drive moving of described push rod two ends.
Preferred as technique scheme, but the push rod of described double end output comprises interconnective trapezoidal screw pair and worm couple, and described worm couple is connected with the described driving propulsion source that turns to.
Preferred as technique scheme, but the push rod of described double end output is a hydraulic push rod.
Preferred as technique scheme, described equalizing bar below is provided with the linear slideway, and described turning to drives propulsion source and is installed in the described linear slideway.
Preferred as technique scheme describedly turns to that to drive propulsion source be electrical motor.
Preferred as technique scheme describedly turns to that to drive propulsion source be Hydraulic Pump.
Preferred as technique scheme, but be provided with the bearing pin join domain in the left side of described left supporting frame and right supporting frame same position.
Preferred as technique scheme, but the push rod of described double end output makes described left supporting frame and right supporting frame to 60-120 ° of same direction rotation.
Another object of the present invention is to provide a kind of tyred container door type crane, and described hoisting crane comprises above-mentioned tyred container door type crane steering hardware.
Tyred container door type crane of the present invention and steering hardware thereof, but the same direction in two ends of the push rod of double end output is carried out push pull maneuver, the one end is realized turning to of connected vehicle frame by " promotion ", the other end is then realized turning to of connected vehicle frame by " pulling ", can realize that left supporting frame and right supporting frame rotate to same direction, the push pull maneuver of two vehicle frames only depends on a straight line to move and can finish, need not arrange connecting rod to connect two vehicle frames in the other side of cart equalizing bar, it is few to have a part, light weight, advantages such as compact conformation.In addition, but the function with locking promptly can be realized locating in the position of the push rod by control double end output, and it is very convenient to operate, and is a kind of simple, economic, safe steering hardware.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the integral structure figure of the tyred container door type crane steering hardware of one embodiment of the invention;
Fig. 2 a-2b is the position view of mechanical push rods in the tyred container door type crane steering hardware of one embodiment of the invention;
Shown in Figure 3 is the constructional drawing of the mechanical push rods of one embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Shown in Figure 1 is the integral structure figure of the tyred container door type crane steering hardware of one embodiment of the invention.As can be seen from the figure, but tyred container door type crane steering hardware of the present invention comprises the push rod 5 of cart equalizing bar 1, left supporting frame 3 and right supporting frame 9, pivoting support 2 and double end output at least.Cart equalizing bar 1 is used to guarantee the balance of each wheel, and its structure does not repeat them here with reference to prior art.
Below left supporting frame 3, be provided with left wheel 4, below right supporting frame 9, be provided with right wheel 8, but be provided with the bearing pin join domain on described left supporting frame 3 and the right supporting frame 9, but should the bearing pin join domain both can be a pin-and-hole, it also can be the bearing pin that is fixed on the vehicle frame, but be connected as long as carry out bearing pin between can the push rod 5 with left supporting frame 3 and right supporting frame 9 and double end output, promptly can realize technique effect of the present invention, the present invention is not limited to this.But should bearing pin join domain can be positioned on a plurality of positions on left supporting frame 3 and the right supporting frame 9, be preferably placed on the same side of left supporting frame 3 and right supporting frame 9, so that two vehicle frames turn to equidirectional simultaneously.More preferably, but be provided with the bearing pin join domain in the left side same position of described left supporting frame 3 and right supporting frame 9.Left side supporting frame 3 is connected with cart equalizing bar 1 by pivoting support 2 with right supporting frame 9, by the rotation of pivoting support, can realize that the tyred container door type crane single-piece turns to.
But push rod 5 one ends of double end output are connected with described left supporting frame 3 bearing pins, the other end is connected with described right supporting frame 9 bearing pins, all move to same direction at the two ends of described push rod 5, rotates to same direction to drive described left supporting frame 3 and right supporting frame 9.Tyred container door type crane steering hardware of the present invention in the course of the work, but the two ends of the push rod 5 of double end output move to same direction with respect to stationary part (as left wheel 4, right wheel 8), move as carrying out straight line left simultaneously.Those skilled in the art can adopt multiple machinery, electronic or hydraulic way to realize the double end output of push rod 5.But the output length of the push rod 5 of preferred described double end output can so that described left supporting frame 3 and right supporting frame 9 to 60-120 ° of same direction rotation, more preferably half-twist.
As a preferred embodiment, but the push rod 5 of double end output is a hydraulic push rod.This hydraulic push rod turns to driving propulsion source 6 to provide as Hydraulic Pump by one and drives the power that move at the push rod two ends.Preferably turn to driving propulsion source 6 to be connected as one by the bearing of push rod 5.After adopting said structure, tyred container door type crane steering hardware of the present invention can be under the double end output action of hydraulic push rod 5, make to be rotated to same direction, thereby realize that the tyred container door type crane single-piece turns to hydraulic push rod 5 two ends bearing pin bonded assembly left side supporting frames 3 and right supporting frame 9.This structure need not arranged connecting rod to connect two vehicle frames in an other side of cart equalizing bar 1, does not need to realize turning to by lifting body yet.
As another preferred embodiment, but the push rod 5 of double end of the present invention output is a mechanical push rods.Its in the layout in the tyred container door type crane steering hardware shown in Fig. 2 a-2b.Shown in Fig. 2 a, but the push rod 5 of double end output drives propulsion source 6 as direct motor drive by turning to.This turns to and drives propulsion source 6 and can be arranged in a plurality of positions in the tyred container door type crane, the linear slideway 7 that preferred equalizing bar below is provided with, and this turns to and drives propulsion source 6 and be installed in the described linear slideway 7.This linear slideway 7 is vertical with the line direction of left supporting frame 3 and right supporting frame 9, when tyred container door type crane of the present invention turns to, turns to driving propulsion source 6 straight line in this slideway 7 to move.In addition, turn to driving propulsion source 6 to be connected as one by the bearing of push rod 5.In addition, it can also be seen that at Fig. 2 b, but be provided with the bearing pin join domain in the left side same position of described left supporting frame 3 and right supporting frame 9, but should can also be arranged on other position by the bearing pin join domain, the present invention is not limited to this.
Shown in Figure 3 is the constructional drawing of the mechanical push rods 5 of one embodiment of the invention, and this mechanical push rods 5 comprises the secondary and worm couple (not shown) of interconnective trapezoidal screw, and described worm couple is connected with the described driving propulsion source 6 that turns to.Described trapezoidal screw pair comprises nut 51 and screw mandrel 52, and the screw thread of described nut 51 and screw mandrel 52 is a trapezium structure, with when tyred container door type crane of the present invention turns to, bears bigger moment.Drive the rotation that propulsion source 6 drives worm couple and nut 51 by turning to, can realize the straight-line motion of screw mandrel 52, turn to this moment to drive in the linear slideway 7 of propulsion source 6 below equalizing bar and slide.In the embodiment shown in fig. 3, the two ends of mechanical push rods 5 are respectively arranged with pin-and-hole 53,54, are connected to form bearing pin with left supporting frame 3 with right supporting frame 9 respectively.In addition, also can realize equally being connected with the bearing pin of vehicle frame at the two ends of mechanical push rods 5 difference fixed pin shaft, the present invention is not limited to this.
Tyred container door type crane steering hardware of the present invention in the course of the work, if when turn to drive propulsion source 6 drive push rods 5 left straight line move, because push rod 5 is double end output, its left end " pushes away " the moving left supporting frame that links to each other 3 by bearing pin and rotates, and right-hand member " draws " the moving right supporting frame that links to each other 9 to rotate by bearing pin, can realize turning to synchronously of left and right sides vehicle frame; If turn to drive propulsion source 6 drive push rods 5 to the right straight line move, its left end " draws " the moving left supporting frame that links to each other 3 to rotate by bearing pin, and right-hand member " pushes away " the moving right supporting frame that links to each other 9 rotations by bearing pin, can realize that left and right sides vehicle frame turns to synchronously to the another one direction.In that push rod 5 is static when not being moved, promptly can realize the location and the latch functions of tyred container door type crane.
Except above-mentioned steering hardware, the present invention also provides a kind of tyred container door type crane that comprises above-mentioned steering hardware, and the structure of other each several part of this tyred container door type crane is with reference to prior art, and this paper repeats no more.
In sum, tyred container door type crane of the present invention and steering hardware thereof, but the same direction in two ends of the push rod 5 of double end output is carried out push pull maneuver, the one end is realized turning to of connected vehicle frame by " promotion ", the other end is then realized turning to of connected vehicle frame by " pulling ", can realize that left supporting frame 3 and right supporting frame 9 rotate to same direction, the push pull maneuver of two vehicle frames only depends on a straight line to move and can finish, need not arrange connecting rod to connect two vehicle frames in the other side of cart equalizing bar 1, it is few to have a part, light weight, advantages such as compact conformation.In addition, but the function with locking promptly can be realized locating in the position of the push rod 5 by control double end output, and it is very convenient to operate, and is a kind of simple, economic, safe steering hardware.
Therefore, the invention has the beneficial effects as follows conspicuous.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a tyred container door type crane steering hardware is characterized in that, comprising:
The cart equalizing bar;
Left side supporting frame and right supporting frame are provided with left wheel below described left supporting frame, be provided with right wheel below described right supporting frame, but be provided with the bearing pin join domain on described left supporting frame and the right supporting frame;
Pivoting support, described left supporting frame is connected with the cart equalizing bar by described pivoting support with right supporting frame;
But the push rod of double end output, one end of described push rod is connected with described left supporting frame bearing pin, the other end of described push rod is connected with described right supporting frame bearing pin, all move to same direction at the two ends of described push rod, rotates to same direction to drive described left supporting frame and right supporting frame.
2. tyred container door type crane steering hardware according to claim 1 is characterized in that, also comprises:
Turn to the driving propulsion source, the described driving propulsion source that turns to is used to drive moving of described push rod two ends.
3. tyred container door type crane steering hardware according to claim 2, it is characterized in that, but the push rod of described double end output comprises interconnective trapezoidal screw pair and worm couple, and described worm couple is connected with the described driving propulsion source that turns to.
4. tyred container door type crane steering hardware according to claim 1 is characterized in that, but the push rod of described double end output is a hydraulic push rod.
5. tyred container door type crane steering hardware according to claim 2 is characterized in that, described equalizing bar below is provided with the linear slideway, and the described driving propulsion source that turns to is installed in the described linear slideway.
6. tyred container door type crane steering hardware according to claim 2 is characterized in that, describedly turns to that to drive propulsion source be electrical motor.
7. tyred container door type crane steering hardware according to claim 2 is characterized in that, describedly turns to that to drive propulsion source be Hydraulic Pump.
8. according to each described tyred container door type crane steering hardware of claim 1-7, it is characterized in that, but be provided with the bearing pin join domain in the left side of described left supporting frame and right supporting frame same position.
9. according to each described tyred container door type crane steering hardware of claim 1-7, it is characterized in that, but the push rod of described double end output makes described left supporting frame and right supporting frame to 60-120 ° of same direction rotation.
10. a tyred container door type crane is characterized in that, described tyred container door type crane comprises each described tyred container door type crane steering hardware of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110133526 CN102229402B (en) | 2011-05-23 | 2011-05-23 | Rubber-tired container gantry crane and steering device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110133526 CN102229402B (en) | 2011-05-23 | 2011-05-23 | Rubber-tired container gantry crane and steering device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102229402A true CN102229402A (en) | 2011-11-02 |
| CN102229402B CN102229402B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110133526 Expired - Fee Related CN102229402B (en) | 2011-05-23 | 2011-05-23 | Rubber-tired container gantry crane and steering device thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014091057A1 (en) | 2012-12-11 | 2014-06-19 | Cargotec Finland Oy | Method, apparatus and computer program for moving a container carrier |
| CN104229626A (en) * | 2013-06-17 | 2014-12-24 | 上海久能机电制造有限公司 | Driving mechanism for steering of crane |
| CN104555724A (en) * | 2015-02-07 | 2015-04-29 | 王卫昌 | Novel rubber-tyred container gantry crane rotation cart mechanism |
| CN107298376A (en) * | 2017-08-24 | 2017-10-27 | 芜湖市长江起重设备制造有限公司 | A kind of large vehicle walking drive mechanism of bridge crane |
| CN112723182A (en) * | 2021-01-12 | 2021-04-30 | 中铁十四局集团第一工程发展有限公司 | Hoisting equipment capable of walking in transverse rail transfer mode |
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| GB2362863A (en) * | 1998-11-30 | 2001-12-05 | Samsung Heavy Ind | Steering system for a mobile gantry crane |
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| CN201580433U (en) * | 2010-01-11 | 2010-09-15 | 金龙联合汽车工业（苏州）有限公司 | Passenger car power steering system |
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| GB2362863A (en) * | 1998-11-30 | 2001-12-05 | Samsung Heavy Ind | Steering system for a mobile gantry crane |
| JP2002226169A (en) * | 2001-01-29 | 2002-08-14 | Sumitomo Heavy Ind Ltd | Wheel turning device of bogie car |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014091057A1 (en) | 2012-12-11 | 2014-06-19 | Cargotec Finland Oy | Method, apparatus and computer program for moving a container carrier |
| US9701518B2 (en) | 2012-12-11 | 2017-07-11 | Cargotec Finland Oy | Method, apparatus and computer program for moving a container carrier |
| CN104229626A (en) * | 2013-06-17 | 2014-12-24 | 上海久能机电制造有限公司 | Driving mechanism for steering of crane |
| CN104555724A (en) * | 2015-02-07 | 2015-04-29 | 王卫昌 | Novel rubber-tyred container gantry crane rotation cart mechanism |
| CN107298376A (en) * | 2017-08-24 | 2017-10-27 | 芜湖市长江起重设备制造有限公司 | A kind of large vehicle walking drive mechanism of bridge crane |
| CN112723182A (en) * | 2021-01-12 | 2021-04-30 | 中铁十四局集团第一工程发展有限公司 | Hoisting equipment capable of walking in transverse rail transfer mode |
| CN112723182B (en) * | 2021-01-12 | 2022-09-09 | 中铁十四局集团第一工程发展有限公司 | Hoisting equipment capable of walking in transverse rail transfer mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102229402B (en) | 2013-06-19 |
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Owner name: SANY MARINE HEAVY INDUSTRIES CO., LTD. Free format text: FORMER OWNER: KM GROUP CO., LTD. Effective date: 20150615 |
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Effective date of registration: 20150615 Address after: 519050 Guangdong city of Zhuhai province Pingsha town Ping Road No. 336 East Building Room 310 Patentee after: 31 ocean heavy industry Co., Ltds Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: KM Group Co., Ltd. |
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Granted publication date: 20130619 Termination date: 20160523 |