CN111891934B

CN111891934B - Straddle carrier

Info

Publication number: CN111891934B
Application number: CN202010910242.XA
Authority: CN
Inventors: 余良辉; 钱旭强; 卢玉春; 王兆荣; 杜渝
Original assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Current assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2024-05-17
Anticipated expiration: 2040-09-02
Also published as: CN111891934A

Abstract

The invention discloses a straddle carrier, which comprises a frame, a hoisting device arranged on the frame, and a swing preventing device, wherein the swing preventing device comprises at least two support arms with one ends hinged to the frame and a support arm driving device for driving the support arms to rotate around a hinge point. The invention can realize the whole straddle-type transportation of the cart travelling mechanism so as to solve the problem of inconvenient assembly caused by the fact that the existing cart travelling mechanism cannot carry out the whole straddle-type transportation.

Description

Straddle carrier

Technical Field

The invention relates to the field of carrying equipment, in particular to a straddle carrier.

Background

The container shore bridges are special berths for containers and are large cranes for loading and unloading the containers, each container shore bridge shares four groups of large car running mechanisms, and the single group weight is up to 30-50 tons.

Because the large cart running mechanism has a plurality of forms, high height and offset center of gravity on one side, the mechanism is longitudinally arranged, and the problems of shaking, torsion and the like are easy to occur in the whole straddle transportation after the assembly, the difficulty is high, the transportation risk is high, the production mode of the existing large cart running mechanism is generally that parts are processed in a workshop, and then the parts are transported to a wharf for assembly. This approach brings great inconvenience to production and also wastes labor costs.

Disclosure of Invention

The invention aims to solve the problem of inconvenient assembly caused by the fact that the existing cart travelling mechanism cannot be integrally transported. The invention provides a straddle carrier, which can realize the whole straddle of a large-vehicle travelling mechanism.

In order to solve the technical problems, the embodiment of the invention discloses a straddle carrier, which comprises a frame, a hoisting device arranged on the frame, and a swing preventing device, wherein the swing preventing device comprises at least two support arms with one ends hinged to the frame and a support arm driving device for driving the support arms to rotate around a hinge point.

By adopting the technical scheme, the supporting arm driving device is used for driving the supporting arm to rotate, so that the end part of the supporting arm can be in contact with the lifting object, the movement of the lifting object in the direction of the contact point is limited, and the lifting object is prevented from shaking in the transportation process.

Optionally, the cantilever end of the support arm is provided with a pulley.

By adopting the technical scheme, the pulley is arranged at the cantilever end of the supporting arm, so that the pulley is in contact with the lifting object, and the damage to the lifting object caused by friction between the end of the supporting arm and the lifting object is prevented.

Optionally, the anti-shake device comprises six support arms and support arm driving devices, wherein two support arms and support arm driving devices are arranged below the top of the frame, and the other four support arms and support arm driving devices are respectively arranged on two sides of the frame.

Optionally, the hoisting device includes:

the hoisting driving device is arranged above the frame;

one end of the steel wire rope is connected with the output end of the hoisting driving device;

and the hanging beam is connected with the other end of the steel wire rope.

Optionally, the number of the steel wire ropes is 4, the steel wire ropes are respectively arranged on four corners of the hanging beam, wherein two steel wire ropes positioned on the same side are directly connected with the hanging beam, and a hoisting balance adjusting device is arranged between the two steel wire ropes positioned on the other side and the hanging beam.

Optionally, the lifting balance adjusting device is V-shaped, the midpoint of the bottom of the lifting balance adjusting device is hinged with the midpoint of the side surface of the lifting beam, and the endpoints of the two ends of the top of the lifting balance adjusting device are respectively connected with the steel wire ropes corresponding to the positions of the two ends of the lifting balance adjusting device.

By adopting the technical scheme, the lifting points on the lifting beam are designed to be in a three-point balance self-adjusting mode, so that the balance of the lifting beam can be automatically adjusted and ensured according to the gravity center position of the lifting object; when the lifting object is loaded on the lifting beam, no matter which side of the lifting balance adjusting device the gravity center of the lifting object deviates to, two steel wire ropes connected with the lifting balance adjusting device can be stressed uniformly, at least one steel wire rope of the two steel wire ropes directly connected with the lifting beam can be stressed, namely, when the gravity center of the lifting object deviates to one side, at least 3 steel wire ropes are ensured to be stressed, a plane is determined by three points, and when the 3 steel wire ropes are stressed, the straddle carrier can not roll over to one side; however, if the hoisting balance adjusting device is not arranged, the four steel wire ropes are directly connected with the hanging beam, and when the gravity center of the hoisted object deviates to one side, the situation that only two steel wire ropes are stressed can occur, so that the straddle carrier overturns; therefore, by arranging the lifting balance adjusting device, lifting instability of the straddle carrier caused by overlarge gravity center deviation of the lifting object can be effectively prevented.

Optionally, the hanging beam is provided with a plurality of lifting eyes, each lifting eye is arranged along the longitudinal direction of the hanging beam, the lifting eyes are provided with a plurality of hanging holes, and each hanging hole is arranged along the transverse direction of the hanging beam.

By adopting the technical scheme, the lifting lugs are arranged along the longitudinal direction of the lifting beam, and the lifting holes are formed in the lifting lugs along the transverse direction of the lifting beam, so that the lifting beam is applicable to various lifting objects with different lengths and widths.

Optionally, the hoisting driving device is a hydraulic cylinder.

By adopting the technical scheme, the lifting driving device is arranged as the hydraulic cylinder to replace the traditional design of a motor and a winding drum, so that the mechanical structure is simplified, and the load of the straddle carrier is reduced.

Optionally, the upper frame and the lower frame are detachably connected.

Optionally, the upper frame comprises an upper support column, a flange A is arranged below the upper support column, the lower frame comprises a lower support column, a flange B is arranged above the lower support column, and the flange A is connected with the flange B through bolts.

By adopting the technical scheme, when the height of the lifting objects is too high and the straddle carrier cannot meet the height of the lifting objects, the upper frame and the lower frame can be disassembled, the cushion objects are added between the flange A and the flange B, and then the cushion objects are locked by bolts, so that the height of the straddle carrier is increased, and the lifting objects with different height specifications can be carried.

Optionally, a folding platform is further arranged on the inner side of the side wall of the frame, and the folding platform can be folded and unfolded.

Optionally, the number of the folding platforms is plural, and the folding platforms are respectively arranged at two longitudinal ends of the side wall of the frame.

Optionally, the folding platform comprises a platform bottom plate with one side edge hinged to the frame and a platform driving device for driving the platform bottom plate to rotate around a hinge point.

Optionally, the folding platform further comprises:

the bottom of the platform side wall is hinged with one side, far away from the rack, of the platform bottom plate;

The platform railing is arranged between the platform side wall and the frame, the platform railing is arranged in parallel with the platform bottom plate, and two ends of the platform railing are respectively hinged with the platform side wall and the frame.

The folding platform is a construction platform when an operator loads and unloads the lifting rigging, and by adopting the technical scheme, the folding platform is designed into a folding and unfolding mode, so that the folding platform can be folded when a lifting object is moved into or out of the straddle carrier, and the folding platform is put down when the operator loads and unloads the lifting rigging, thereby facilitating manual operation and keeping enough safe movement space between the straddle carrier and the lifting object.

Optionally, four wheel assemblies are arranged below the frame, the wheel assemblies are respectively arranged on four corners below the frame, wherein two wheel assemblies positioned on the same longitudinal side are directly connected with the frame, and a walking balance adjusting device is arranged between two wheel assemblies positioned on the other longitudinal side and the frame.

Optionally, the middle point of the walking balance adjusting device is hinged with the middle point of the side surface of the frame, and two ends of the walking balance adjusting device are respectively connected with the wheel assemblies.

By adopting the technical scheme, the walking balance adjusting device is arranged above the wheel assemblies on one side of the straddle carrier, so that the two wheel assemblies arranged on the walking balance adjusting device can rotate around the hinge point of the walking balance adjusting device and the frame, at least three wheel assemblies can be always contacted with the ground under the condition that the walking road surface of the straddle carrier is uneven, the fluctuation situation of the road surface can be adapted in real time, the shaking of the vehicle body is effectively reduced, and the straddle carrier can run stably.

Optionally, the wheel assembly comprises a plurality of wheels, each wheel being coaxially connected, said wheels being filled with polyurethane with a solid tyre.

By adopting the technical scheme, the wheel pressure can be reduced by increasing the number of the wheels, so that the wheels are prevented from being damaged due to overlarge weight of the lifting objects.

Optionally, a plurality of ligature posts are arranged below the frame, and the ligature posts are arranged along the longitudinal direction of the frame.

By adopting the technical scheme, through setting up the ligature post, the usable rope is with handling thing system solid on the ligature post to prevent handling thing production rocking in the transportation, reduce horizontal impact force, form the secondary and prevent rocking guarantee.

Optionally, a plurality of fixed lugs are arranged below the frame, the fixed lugs are arranged longitudinally along the frame, and holes are formed in the fixed lugs.

By adopting the technical scheme, through setting up fixed collude the ear, available metal colludes the piece and colludes the thing bottom of handling and fix on fixed collude the ear to prevent that the handling thing from producing to rock in transportation, reduce horizontal impact force, form the secondary and prevent rocking guarantee.

Optionally, a steering mechanism is connected to the wheel assembly, and the steering mechanism is used for driving the wheel assembly to steer.

Optionally, the wheel assembly includes the wheel mounting bracket, and the wheel mounting bracket rotates with frame or walking balance adjustment device to be connected, and steering mechanism includes the steering cylinder, and the cylinder of steering cylinder articulates with frame or walking balance adjustment device mutually, and the extension end of steering cylinder articulates there is the connecting rod, and the other end of connecting rod articulates with the wheel mounting bracket mutually.

Optionally, the device further comprises a power assembly, the power assembly comprises a diesel internal combustion engine, the diesel internal combustion engine is connected with a hydraulic pump, the hydraulic pump is connected with a hydraulic oil tank assembly, the diesel internal combustion engine drives the hydraulic pump to operate, and the hydraulic pump provides hydraulic oil for the straddle carrier through the hydraulic oil tank assembly.

Optionally, the wheels are connected with a driving pump, the driving pump is connected with a hydraulic oil tank assembly, and the hydraulic oil tank assembly drives the driving pump to operate so as to drive the wheels to rotate.

Optionally, cameras are arranged on two sides of the frame, and the cameras are used for shooting road surface conditions.

Drawings

FIG. 1 illustrates a perspective view of a straddle carrier provided by an embodiment of the present invention;

FIG. 2 illustrates a perspective view of another view of the straddle carrier provided by an embodiment of the present invention;

FIG. 3 illustrates a front view of a straddle carrier provided by an embodiment of the present invention;

Fig. 4 shows a left side view of fig. 3;

FIG. 5 shows a right side view of FIG. 3;

FIG. 6 shows a top view of FIG. 3;

FIG. 7 shows a rear view of FIG. 3;

FIG. 8 shows a cross-sectional view taken along line A-A in FIG. 3;

FIG. 9 shows a cross-sectional view taken in the direction B-B of FIG. 5;

FIG. 10 shows a partial enlarged view of portion C of FIG. 3;

FIG. 11 shows an enlarged partial view of portion D of FIG. 1;

FIG. 12 shows an enlarged partial view of portion E of FIG. 5;

fig. 13 shows a partial enlarged view of the portion F in fig. 8;

Fig. 14 shows a partial enlarged view of the portion G in fig. 4;

Fig. 15 shows a partial schematic view of the H direction in fig. 7.

Reference numerals:

1. Hoisting the driving device; 2. a wire rope; 3. a frame; 31. an upper frame; 32. a lower frame; 33. an upper support column; 34. a flange A;35. a lower support column; 36. a flange B;4. hoisting balance adjusting device; 5. a hanging beam; 51. lifting lugs; 52. a hanging hole; 6. an anti-sway device; 61. a support arm driving device; 62. a support arm; 63. a pulley; 7. a folding platform; 71. a platform driving device; 72. a platform floor; 73. a platform sidewall; 74. platform railing; 8. a wheel assembly; 81. a wheel; 82. a wheel mounting rack; 9. a walking balance adjusting device, 10, binding columns; 11. fixing the hook lug; 12. a power assembly; 13. a hydraulic oil tank assembly; 14. a steering mechanism; 141. a steering cylinder; 142. and a connecting rod.

Detailed Description

Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present invention with specific examples. While the description of the invention will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the invention described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the invention. The following description contains many specific details for the purpose of providing a thorough understanding of the present invention. The invention may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the invention. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail with reference to the accompanying drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.

As shown in fig. 1, 2, 3 and 7, the straddle carrier according to the embodiment of the invention comprises a frame 3, a hoisting device arranged on the frame 3, a sway prevention device 6, a support arm 62 with one end hinged to the frame 3 and a support arm driving device 61 for driving the support arm 62 to rotate around a hinge point, wherein the sway prevention device 6 is shown in fig. 5 and 12.

Specifically, the lifting device is used for lifting the lifting object, and after the lifting object is lifted by the lifting device, the lifting object is conveyed to a destination by the straddle carrier. A cab is also arranged on one side of the frame 3, and an operator can enter the cab or adopt a portable manual device to control the straddle carrier to walk. In the swing preventing device 6, the supporting arm driving device 61 is an oil cylinder, a cylinder barrel part of the oil cylinder is hinged with the frame 3, an extending end of the oil cylinder is hinged with the middle part of the supporting arm 62, when the extending end of the supporting arm driving device 61 is retracted, the supporting arm 62 moves to one side close to the frame 3 under the driving of the supporting arm driving device 61, the supporting arm 62 is not contacted with the lifting frame, and when the extending end of the supporting arm driving device 61 extends, the supporting arm 62 moves to one side far away from the frame 3 under the driving of the supporting arm driving device 61, and the supporting arm 62 is contacted with the lifting frame. Unlike the prior art straddle carrier, the anti-sway device 6 is added in the embodiment, and the support arm driving device 61 is used for driving the support arm 62 to rotate, so that the end part of the support arm 62 can be contacted with the lifting object, thereby limiting the movement of the lifting object to the contact point direction and preventing the lifting object from swaying in the transportation process.

Further, as shown in fig. 12, the cantilever end of the support arm 62 is provided with a pulley 63, and the pulley 63 is rotatable about its own axis. The pulley 63 is arranged at the cantilever end of the supporting arm 62, so that the pulley 63 is in contact with the lifting object, friction force generated by the lifting object and the supporting arm 62 when the lifting object shakes is reduced, and the lifting object is prevented from being damaged.

Further, as shown in fig. 9, the anti-shake apparatus 6 includes six support arms 62 and support arm driving means 61, wherein two support arms 62 and support arm driving means 61 are provided below the top of the frame 3, and the remaining four support arms 62 and support arm driving means 61 are provided on both sides of the frame 3.

Specifically, the supporting arms 62 and the supporting arm driving devices 61 respectively arranged at two sides of the frame 3 are arranged in a mirror image mode, and the anti-shaking devices 6 at two sides of the lifting object clamp the lifting object at the same time, so that the lifting object can be better prevented from shaking or skewing in the transportation process.

Further, as shown in fig. 9, the hoisting device includes:

the hoisting driving device 1 is arranged above the frame 3;

One end of the steel wire rope 2 is connected with the output end of the hoisting driving device 1;

And the hanging beam 5 is connected with the other end of the steel wire rope 2.

Specifically, the hoisting driving device 1 is a hydraulic cylinder. Unlike the prior art, which uses an electric motor and a reel as the hoist driving device, in this embodiment, a hydraulic cylinder is used as the hoist driving device, which can simplify the mechanical structure and reduce the load of the straddle carrier.

Further, as shown in fig. 4, the number of the steel wire ropes 2 is 4, the steel wire ropes 2 are respectively arranged on four corners of the hanging beam 5, wherein two steel wire ropes 2 positioned on the same side are directly connected with the hanging beam 5, and a hanging balance adjusting device 4 is arranged between the two steel wire ropes 2 positioned on the other side and the hanging beam 5.

Further, the hoisting balance adjusting device 4 is a part with a V shape, the midpoint of the bottom of the part is hinged with the midpoint of the side face of the hanging beam 5, and the endpoints of the two ends of the top of the hoisting balance adjusting device 4 are respectively connected with the steel wire ropes 2 corresponding to the positions of the two ends. The lifting points on the lifting beam 5 are designed to be in a three-point balance self-adjusting mode, so that the balance of the lifting beam 5 can be automatically adjusted according to the gravity center position of a lifting object, when the lifting object is loaded on the lifting beam, no matter which side of the lifting balance adjusting device the gravity center of the lifting object is deviated to, two steel wire ropes connected with the lifting balance adjusting device can be uniformly stressed, at least one of the two steel wire ropes directly connected with the lifting beam can bear stress, namely, when the gravity center of the lifting object is deviated to one side, at least 3 steel wire ropes can be guaranteed to bear stress, one plane is determined by three points, and when the 3 steel wire ropes bear stress, the straddle carrier can not roll over to one side; however, if the hoisting balance adjusting device is not arranged, the four steel wire ropes are directly connected with the hanging beam, and when the gravity center of the hoisted object deviates to one side, the situation that only two steel wire ropes are stressed can occur, so that the straddle carrier overturns; therefore, by arranging the lifting balance adjusting device, lifting instability of the straddle carrier caused by overlarge gravity center deviation of the lifting object can be effectively prevented.

Further, as shown in fig. 11, the hanging beam 5 is provided with a plurality of hanging lugs 51, each hanging lug 51 being provided along the longitudinal direction of the hanging beam 5, and a plurality of hanging holes 52 being provided on the hanging lug 51, each hanging hole 52 being provided along the transverse direction of the hanging beam 5.

Specifically, the hanging hole 52 is used for installing a hanging rope, and the hanging rope can hang the hanging rope on the hanging beam 5. When the lifting object is lifted, one end of a sling (rope or steel hook) can pass through the lifting hole 52, and the other end is fixed on the lifting object, so that the lifting object is suspended on the lifting beam. Wherein, the longitudinal direction is the x-axis direction shown in fig. 6, and the transverse direction is the y-axis direction shown in fig. 6. By providing a plurality of lifting lugs 51 along the longitudinal direction of the lifting beam 5 and providing a plurality of lifting holes 52 on each lifting lug 51 along the transverse direction of the lifting beam 5, the lifting beam 5 can be adapted to a variety of lifting objects having different lengths and widths.

Further, the frame 3 includes: the upper frame 31 and the lower frame 32, the upper frame 31 and the lower frame 32 are detachably connected.

Further, as shown in fig. 3 and 10, the upper frame 31 includes an upper support 33, a flange a34 is provided below the upper support 33, the lower frame 32 includes a lower support 35, a flange B36 is provided above the lower support 35, and the flange a34 is connected to the flange B36 by bolts. By adopting the technical scheme, when the height of the lifting objects is too high and the straddle carrier cannot meet the height of the lifting objects, the upper frame 31 and the lower frame 32 can be disassembled, the cushion is added between the flange A34 and the flange B36, and the lifting objects are locked by bolts, so that the height of the straddle carrier is increased, and the lifting objects with different height specifications can be carried.

Further, as shown in fig. 4, a folding platform 7 is further provided on the inner side of the side wall of the frame 3, and the folding platform 7 can be folded and unfolded.

Further, as shown in fig. 6, the number of the folding platforms 7 is plural, and they are disposed at both ends of the longitudinal direction of the side wall of the frame 3.

Further, as shown in fig. 8 and 13, the folding platform 7 includes a platform base plate 72 having one side edge hinged to the frame 3 and a platform driving device 71 for driving the platform base plate 72 to rotate about the hinge point. The platform driving device 71 may be an oil cylinder, a cylinder barrel portion of the oil cylinder is hinged to the frame 3, an extending end of the oil cylinder is hinged to a middle portion of the platform bottom plate 72, when the extending end of the platform driving device 71 extends, the platform bottom plate 72 is driven by the platform driving device 71 to turn upwards, the folding platform 7 is folded, and when the extending end of the supporting arm driving device 61 is retracted, the platform bottom plate 72 is driven by the platform driving device 71 to turn downwards, and the folding platform 7 is unfolded.

Further, the folding platform 7 further comprises:

A platform side wall 73, the bottom of which is hinged to a side of the platform base plate 72 remote from the frame 3;

the platform railing 74 is arranged between the platform side wall 73 and the frame 3, the platform railing 74 is arranged in parallel with the platform bottom plate 72, and two ends of the platform railing 74 are respectively hinged with the platform side wall 73 and the frame 3.

Specifically, the folding platform 7 is a construction platform when an operator loads and unloads the lifting rigging, and the folding platform 7 can be folded when a lifting object is moved into or out of the straddle carrier by designing the folding platform 7 into a folding and unfolding mode, and the folding platform 7 is put down when the operator loads and unloads the lifting rigging manually, so that manual operation is facilitated, and enough safe movement space between the straddle carrier and the lifting object can be reserved.

Further, four wheel assemblies 8 are arranged below the frame 3, and the wheel assemblies 8 are respectively arranged on four corners below the frame 3 and used for driving the straddle carrier to walk. Two wheel assemblies 8 positioned on the same longitudinal side are directly connected with the frame 3, and a walking balance adjusting device 9 is arranged between the two wheel assemblies 8 positioned on the other longitudinal side and the frame 3.

Further, as shown in fig. 3, the middle point of the walking balance adjustment device 9 is hinged with the middle point of the side surface of the frame 3, and two ends of the walking balance adjustment device 9 are respectively connected with the wheel assemblies 8.

Specifically, the walking balance adjustment device 9 is of a beam structure with a symmetrical left-right shape, and the walking balance adjustment device 9 is arranged above the wheel assemblies 8 on one side of the straddle carrier, so that the two wheel assemblies 8 arranged on the walking balance adjustment device 9 can rotate around the hinge point of the walking balance adjustment device 9 and the frame 3, at least three wheel assemblies 8 are always contacted with the ground under the condition that the traveling road surface of the straddle carrier is uneven, the fluctuation situation of the road surface can be adapted in real time, the shaking of the vehicle body is effectively reduced, and the straddle carrier is enabled to run stably.

Further, as shown in fig. 4, the wheel assembly 8 includes a wheel mounting frame 82 and a plurality of wheels 81 provided on the wheel mounting frame 82, and the wheels 81 are coaxially connected, and by increasing the number of the wheels 81 in each group of wheel assemblies 8, the wheel pressure can be reduced, thereby preventing the wheels from being damaged due to the excessive weight of the trolley. Specifically, the wheels 81 are in a form of polyurethane filled solid tires, so that the damage or tire burst of the wheels caused by the excessive weight of the lifting objects can be effectively prevented, and the running safety of equipment is improved.

Further, as shown in fig. 14, a plurality of binding posts 10 and fixing lugs 11 are arranged below the frame 3, holes are formed in the fixing lugs 11, and the binding posts 10 and the fixing lugs 11 are arranged at equal intervals along the longitudinal direction of the frame 3.

Specifically, the binding post 10 and the fixing hook 11 are used for fixing a binding tool (rope or metal hook), and by arranging the binding post 10 and the fixing hook 11, the lifting object can be tied on the binding post 10 by using the rope, or the bottom end of the lifting object can be hooked on the fixing hook 11 by using the metal hook, so that the lifting object is prevented from shaking back and forth and left and right in the conveying process, the horizontal impact force is reduced, and a secondary shaking prevention guarantee is formed.

Further, the wheel mounting frame 82 is rotatably connected with the frame 3 or the walking balance adjustment device 9, and each wheel assembly 8 is connected with a steering mechanism 14, and the steering mechanism 14 is used for driving the wheel assemblies 8 to steer.

Specifically, as shown in fig. 15, the steering mechanism 14 includes steering cylinders 141, on the side where the walking balance adjustment device 9 is installed, cylinders of the steering cylinders 141 are hinged to the walking balance adjustment device 9, on the side where the walking balance adjustment device 9 is not installed, cylinders of the steering cylinders 141 are hinged to the frame 3, extending ends of the steering cylinders 141 are hinged to connecting rods 142, the other ends of the connecting rods 142 are hinged to the wheel mounting frames 82, and the steering cylinders 141 can drive the wheel assemblies 8 to rotate so as to adjust the running direction of the straddle carrier.

Further, a power assembly 12 is provided on the lower frame 32, the power assembly 12 being configured to power the straddle carrier. The power assembly 12 comprises a diesel internal combustion engine, the diesel internal combustion engine is connected with a hydraulic pump, the hydraulic pump is connected with a hydraulic oil tank assembly 13, the diesel internal combustion engine drives the hydraulic pump to operate, and the hydraulic pump provides hydraulic oil for the hoisting driving device 1, the supporting arm driving device 61, the platform driving device 71 and the steering oil cylinder 141 through the hydraulic oil tank assembly 13 so as to drive the driving device to operate.

Further, the wheels 81 are connected with a driving pump, the driving pump is connected with the hydraulic oil tank assembly 13, and the hydraulic oil tank assembly 13 provides hydraulic oil for the driving pump to drive the driving pump to rotate, so that the wheels 81 are driven to rotate.

Further, cameras are arranged on two sides of the frame 3, and are electrically connected with a display screen arranged in the cab and used for shooting road surface conditions and sending the road surface conditions into the display screen so that a driver can know the road surface conditions conveniently.

When the folding platform is in operation, the platform driving device 71 is controlled, so that the extending end of the platform driving device 71 extends out, and the platform driving device 71 drives the platform bottom plate 72 to rotate upwards in a reverse direction, so that the folding platform 7 is folded and retracted; the straddle carrier is slowly driven to travel to a designated hoisting area, the central position of the straddle carrier is adjusted, a hoisted object (a large vehicle travelling mechanism) is positioned in a frame 3 of the straddle carrier, and a lifting beam 5 is ensured to be positioned right above the hoisted object; the platform driving device 71 is controlled to retract the extending end of the platform driving device 71, the platform driving device 71 drives the platform bottom plate 72 to downwards rotate reversely, the folding platform 7 is unfolded and flattened, and an operator can ascend the folding platform 7 to wait for tying a lifting object; controlling the hoisting driving device 1 to enable the hoisting driving device 1 to drive the hanging beam 5 to descend, and enabling an operator to hang a hoisting object system on the hanging beam 5 by using a sling after adjusting the position of the sling on the hanging beam 5 according to the distance between the hanging points; controlling the hoisting driving device 1 to enable the hoisting driving device 1 to drive the hoisting beam 5 to rise to the transportation height; controlling each support arm driving device 61 to enable the extending end of each support arm driving device 61 to extend, and enabling each support arm driving device 61 to drive each support arm 62 to rotate in the direction close to the lifting object until the end of each support arm 62 contacts with the lifting object, so that each anti-shaking device 6 can prop up and fix the top and the side surface of the lifting object, balance and non-shaking of the lifting object are ensured, and the first-pass anti-shaking fastening of the lifting object is completed; one end of the binding tool is tied and fixed on the lifting object by an operator, and the other end of the binding tool is tied and fixed on the binding post 10 or the fixed hook 11, so that the lifting object is prevented from shaking in the transportation process, and the secondary anti-shaking tying of the lifting object is completed; driving a straddle carrier to transfer and carry the lifted objects, and transporting the lifted objects to a designated storage area for unloading; the unlocking and binding tool, the unlocking and anti-shaking device 6 and the hanging beam 5 are sequentially completed, the lifting object is stably landed, the lifting rigging is disassembled, the hanging beam 5 is lifted, the folding platform 7 is retracted, and finally the straddle carrier is driven to slowly drive away.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the invention with reference to specific embodiments, and it is not intended to limit the practice of the invention to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present invention.

Claims

1. The straddle carrier comprises a frame and a hoisting device arranged on the frame, and is characterized by further comprising an anti-swing device, wherein the anti-swing device comprises at least two support arms with one ends hinged to the frame and a support arm driving device for driving the support arms to rotate around a hinge point; the cantilever end of the supporting arm is provided with a pulley; the anti-swing device comprises six supporting arms and supporting arm driving devices, wherein two supporting arms and the supporting arm driving devices are arranged below the top of the frame, and the other four supporting arms and the supporting arm driving devices are respectively arranged on two sides of the frame;

the hoisting device comprises:

the hoisting driving device is arranged above the frame;

The hanging beam is connected with the other end of the steel wire rope;

The number of the steel wire ropes is 4, the steel wire ropes are respectively arranged on four corners of the hanging beam, two steel wire ropes positioned on the same side are directly connected with the hanging beam, and a hoisting balance adjusting device is arranged between the two steel wire ropes positioned on the other side and the hanging beam; the hoisting balance adjusting device is V-shaped, the midpoint of the bottom of the hoisting balance adjusting device is hinged with the midpoint of the side face of the hanging beam, and the endpoints of the two ends of the top of the hoisting balance adjusting device are respectively connected with the steel wire ropes corresponding to the positions of the hoisting balance adjusting device; the lifting beam is provided with a plurality of lifting lugs, each lifting lug is arranged along the longitudinal direction of the lifting beam, the lifting lugs are provided with a plurality of lifting holes, and each lifting hole is arranged along the transverse direction of the lifting beam; the hoisting driving device is a hydraulic cylinder.

2. The straddle carrier of claim 1, wherein the frame comprises: the upper frame is detachably connected with the lower frame.

3. The straddle carrier of claim 2, wherein the upper frame comprises an upper post, a flange a is provided below the upper post, the lower frame comprises a lower post, a flange B is provided above the lower post, and the flange a is connected with the flange B by bolts.

4. The straddle carrier of claim 1, wherein the side walls of the frame are further provided with folding platforms inside, the folding platforms being foldable.

5. The straddle carrier of claim 4, wherein the number of the folding platforms is plural and is divided at both longitudinal ends of the side wall of the frame.

6. The straddle carrier of claim 4, wherein the folding platform comprises a platform floor hinged to the frame at one side edge and a platform drive for driving the platform floor to rotate about the hinge point.

7. The straddle carrier of claim 6, wherein the folding platform further comprises:

The platform railing is arranged between the platform side wall and the frame, the platform railing and the platform bottom plate are arranged in parallel, and two ends of the platform railing are respectively hinged with the platform side wall and the frame.

8. The straddle carrier of claim 1, wherein four wheel assemblies are provided below the frame, the wheel assemblies being disposed at four corners below the frame, wherein two wheel assemblies on the same longitudinal side are directly connected to the frame, and a running balance adjusting device is provided between two wheel assemblies on the other longitudinal side and the frame.

9. The straddle carrier of claim 8, wherein a midpoint of the travel balance adjustment is hinged to a midpoint of a side of the frame, and both ends of the travel balance adjustment are connected to the wheel assemblies, respectively.

10. The straddle carrier of claim 8, wherein the wheel assembly comprises a plurality of wheels, each of the wheels being coaxially connected, the wheels being filled with polyurethane solid tires.

11. The straddle carrier of claim 1, wherein a plurality of tie posts are provided below the frame, the tie posts being disposed longitudinally of the frame.

12. The straddle carrier of claim 1, wherein a plurality of fixing lugs are arranged below the frame, the fixing lugs are arranged along the longitudinal direction of the frame, and holes are formed in the fixing lugs.

13. A straddle carrier according to any one of claims 8 to 10, wherein a steering mechanism is connected to the wheel assembly for driving the wheel assembly to steer.

14. The straddle carrier of claim 13, wherein the wheel assembly comprises a wheel mounting bracket rotatably connected to the frame or the travel balance adjustment device, the steering mechanism comprises a steering cylinder, a cylinder of the steering cylinder is hinged to the frame or the travel balance adjustment device, a connecting rod is hinged to an extending end of the steering cylinder, and the other end of the connecting rod is hinged to the wheel mounting bracket.

15. The straddle carrier of claim 10, further comprising a powertrain comprising a diesel internal combustion engine, the diesel internal combustion engine having a hydraulic pump connected thereto, the hydraulic pump having a hydraulic tank assembly connected thereto, the diesel internal combustion engine operating the hydraulic pump, the hydraulic pump providing hydraulic oil to the straddle carrier via the hydraulic tank assembly.

16. The straddle carrier of claim 15, wherein the wheels are connected with a drive pump, the drive pump being connected to the hydraulic tank assembly, the hydraulic tank assembly operating the drive pump and thereby rotating the wheels.

17. The straddle carrier of claim 1, wherein cameras are provided on both sides of the frame, the cameras being used for capturing road conditions.