CN218579501U

CN218579501U - Intelligent bridge portal crane

Info

Publication number: CN218579501U
Application number: CN202222763499.4U
Authority: CN
Inventors: 姚海; 万高
Original assignee: Jiangyin Hilbert Automation Technology Co ltd
Current assignee: Jiangyin Hilbert Automation Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-07
Anticipated expiration: 2032-10-20

Abstract

The utility model belongs to the technical field of the hoist, especially, be intelligent gantry crane, fix including crane span structure and symmetry the landing leg of crane span structure lower surface both sides with install the drive case of crane span structure top, it is two sets of the bottom of landing leg all is fixed with the strengthening rib, and is two sets of the lower extreme both sides of landing leg all are fixed with removes the wheel, the below of crane span structure is provided with hoisting mechanism, and this device can drive work piece, goods etc. that promote of lifting plate and below through the hoisting mechanism who sets up, can prevent that ground cooperation personnel from having the potential safety hazard of hindering the people with product distance is too near, avoids material or operational environment to produce harm to the human body under the special application scene, can snatch work piece, goods etc. automatically, can expand operating personnel's visual angle and line-of-sight distance, avoids appearing ground commander improper in the operation process, gesture differentiates the mistake, can's accuracy convey intention scheduling problem, prevents to arouse the maloperation.

Description

Intelligent bridge portal crane

Technical Field

The utility model belongs to the technical field of the hoist, concretely relates to intelligence gantry crane.

Background

The gantry crane is a hoisting device which is transversely erected above workshops, warehouses and stockyards for hoisting materials. Because its both ends are located on high cement column or metal support, the shape is similar to the bridge, can make full use of the space handling material below the crane span structure, do not receive the hindrance of ground equipment, it is the hoisting machinery of wide application range, the quantity is the most, current gantry crane operation in-process, need ground cooperation personnel to work in coordination, in product clamping and handling in-process, operating personnel is too close with the product distance, there is the potential safety hazard of hindering the people, and hoist operating personnel's visual angle and line-of-sight distance receive the restriction, there may be ground commander's commander improper, the mistake is discerned to the gesture, can't accurately convey intention scheduling problem, arouse the maloperation easily.

To this end, we propose an intelligent gantry crane to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an intelligence gantry crane can prevent that ground cooperation personnel from having the potential safety hazard of hindering the people with the product distance is too near, avoids material or operational environment to possibly produce harm to the human body under the special application scene, can expand operating personnel's visual angle and line-of-sight distance, avoids appearing ground commander's commander improper, gesture differentiation mistake, can't accurately convey the intention scheduling problem at the operation in-process, prevents to arouse the characteristics of maloperation.

In order to achieve the above object, the utility model provides a following technical scheme: the intelligent gantry crane comprises a bridge frame, supporting legs and a driving box, wherein the supporting legs are symmetrically fixed on two sides of the lower surface of the bridge frame, the driving box is installed above the bridge frame, reinforcing ribs are fixed at the bottom ends of two groups of the supporting legs, moving wheels are fixed on two sides of the lower ends of the two groups of the supporting legs, and a hoisting mechanism is arranged below the bridge frame;

the lifting mechanism comprises a lifting assembly, an adjusting assembly and a clamping assembly, the lifting assembly is installed below the driving box, the adjusting assembly is arranged below the bridge frame, and the clamping assembly is arranged at the four corners of the lower portion of the lifting assembly.

As the utility model discloses intelligence gantry crane is preferred, it includes lifting plate, lifting machine, anticreep hook and camera to promote the subassembly, the lower surface of drive case is connected with the lifting machine, the below of lifting machine is connected with the anticreep hook, the below of anticreep hook is provided with the lifting plate, the lower fixed surface of crane span structure has a plurality of the camera.

As the utility model discloses intelligence gantry crane is preferred, the lug has all been welded in the surperficial four corners department of lifting plate, four groups the inside of lug all is connected with the lifting hook, the below of anticreep hook is connected with fixed ear, fixed ear and four groups be connected through the lifting rope respectively between the lug.

As the utility model discloses intelligence gantry crane is preferred, adjusting part includes backup pad, accommodate motor, two-way screw rod, regulating block, drive wheel, drive belt and distance measuring sensor, one side of lifting plate is fixed with the backup pad, the surface of backup pad is fixed with through the frame accommodate motor, the inside both sides of lifting plate all rotate through bearing A and are connected with two-way screw rod, it is two sets of two-way screw rod's surperficial both ends symmetrical threaded connection has the regulating block, and is two sets of two-way screw rod is close to the one end of backup pad all runs through the inside of lifting plate, and extend to respectively one side of lifting plate, and respectively with set up lifting plate one side sets up the drive wheel is connected, and is two sets of pass through between the drive wheel the drive belt is connected, the bilateral symmetry of lifting plate is fixed with two sets of distance measuring sensor.

As the utility model discloses intelligence gantry crane is preferred, accommodate motor's output and wherein a set of the through end of two-way screw rod is connected.

As the utility model discloses intelligence gantry crane is preferred, four groups the both sides of regulating block all are fixed with the stopper, the lift plate is close to the spacing groove has all been seted up to one side of stopper, the regulating block with the lift plate passes through the stopper with spacing groove sliding connection.

As the utility model discloses intelligence gantry crane is preferred, the centre gripping subassembly includes fixing base, centre gripping motor, threaded rod, thread block, connecting rod, hinge rod A, curved bar, hinge rod B and grip block, and two sets of both sides around adjacent one side symmetry of regulating block is fixed with fixing base, four groups the surface of fixing base all is fixed with the centre gripping motor, the inside of fixing base is provided with the threaded rod, the surface threaded connection of threaded rod has the thread block, the bilateral symmetry of thread block is fixed with the connecting rod, two sets of the connecting rod is kept away from the one end of thread block all is provided with "L type structure" the curved bar, just the connecting rod with pass through between the curved bar hinge rod A is connected, and is two sets of the curved bar with all pass through between the fixing base hinge rod B is connected, and two sets of the curved bar is kept away from two sets of the one end of connecting rod all welds the grip block.

As the utility model discloses intelligence gantry crane is preferred, the bottom of fixing base is fixed with the connecting plate, the both ends of threaded rod all rotate through bearing B and connect the fixing base with between the connecting plate, just the threaded rod is kept away from the one end of connecting plate runs through the inside of fixing base, and extend to the top of fixing base, and with the output of centre gripping motor is connected.

As the utility model discloses intelligence gantry crane is preferred, and is two sets of adjacent one side of grip block all is provided with anti-skidding line.

As the utility model discloses intelligence gantry crane is preferred, the below of crane span structure is provided with the driver's cabin, the surface mounting of driver's cabin is in the crane span structure with wherein a set of between the landing leg.

Compared with the prior art, the beneficial effects of the utility model are that:

through the hoisting mechanism who sets up, can drive the lift plate and the work piece of below, goods etc. stabilize and promote, can prevent that ground cooperation personnel from having the potential safety hazard of hindering the people with the product distance too near, material or operational environment probably produce harm to the human body under avoiding special application scene, can be automatic to the work piece, goods etc. snatch, visual angle and line-of-sight distance that can expand operating personnel, avoid appearing the improper commander of ground commander in the operation process, the gesture differentiates the mistake, can't accurately convey the intention scheduling problem, prevent to arouse the maloperation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall bottom view of the present invention;

fig. 3 is a schematic structural view of a lifting plate of the present invention;

FIG. 4 is a schematic structural diagram of an adjusting assembly according to the present invention;

FIG. 5 is a schematic structural view of the adjusting block of the present invention;

FIG. 6 is a schematic structural view of the clamping assembly of the present invention;

fig. 7 is a partial exploded view of the clamping assembly of the present invention.

In the figure:

1. a bridge frame; 2. a support leg; 21. reinforcing ribs; 22. a moving wheel; 3. a drive box; 31. a cab;

4. a hoisting mechanism;

41. a lifting assembly; 411. a lifting plate; 4111. lifting lugs; 4112. a hook; 4113. a lifting rope; 4114. fixing the lug; 412. a hoist; 413. an anti-drop hook; 414. a camera;

42. an adjustment assembly; 421. a support plate; 422. adjusting the motor; 423. a bidirectional screw; 424. a regulating block; 4241. a limiting groove; 4242. a limiting block; 425. a driving wheel; 426. a transmission belt; 427. a distance measuring sensor;

43. a clamping assembly; 431. a fixed seat; 4311. a connecting plate; 432. a clamping motor; 433. a threaded rod; 434. a thread block; 435. a connecting rod; 436. a hinge rod A; 437. a curved bar; 438. a hinge lever B; 439. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1:

the intelligent gantry crane comprises a bridge frame 1, supporting legs 2 symmetrically fixed on two sides of the lower surface of the bridge frame 1 and a driving box 3 arranged above the bridge frame 1, reinforcing ribs 21 are fixed at the bottom ends of the two groups of supporting legs 2, moving wheels 22 are fixed on two sides of the lower ends of the two groups of supporting legs 2, and a hoisting mechanism 4 is arranged below the bridge frame 1;

the hoisting mechanism 4 comprises a lifting assembly 41, an adjusting assembly 42 and a clamping assembly 43, wherein the lifting assembly 41 is installed below the driving box 3, the adjusting assembly 42 is arranged below the bridge frame 1, and the clamping assembly 43 is arranged at the four corners below the lifting assembly 41.

As shown in fig. 1-7:

further, the method comprises the following steps:

in combination with the above, the lifting assembly 41 includes a lifting plate 411, a lifting machine 412, an anti-falling hook 413 and a camera 414, the lifting machine 412 is connected to the lower surface of the driving box 3, the anti-falling hook 413 is connected to the lower side of the lifting machine 412, the lifting plate 411 is arranged below the anti-falling hook 413, and the plurality of cameras 414 are fixed to the lower surface of the bridge 1.

In this embodiment: when workpieces, goods and the like need to be lifted, the bridge 1 is moved to the upper side of the workpieces, the goods and the like, the positions of the driving box 3, the lifting machine 412 and the anti-falling hook 413 are observed by the camera 414, when the workpieces, the goods and the like are just opposite to the lower side of the lifting plate 411, the workpieces, the goods and the like are fixed below the lifting plate 411, and then the lifting machine 412 is started to drive the anti-falling hook 413 to move, so that the lifting plate 411 and the workpieces, the goods and the like below the lifting plate are driven to be stably lifted.

It should be noted that: the display terminal of the camera 414 is disposed inside the cab 31, and a central control center, a general control system, and an intelligent control system are disposed inside the cab 31.

It should be noted that: and the general control system receives the operation instruction issued by the intelligent control system and is responsible for executing the operation instruction of the intelligent crane and monitoring the operation process. The device consists of a motion control module and a monitoring module. The motion control module consists of subsystems such as communication management, drive control, data acquisition, safety guarantee and the like; the intelligent control system is the core of the central control center, is a master control platform of an intelligent brain and a control system of the intelligent crane, and consists of a knowledge base, a database and an intelligent analysis and decision module. The intelligent analysis decision module is the core of the intelligent control system and is an artificial intelligent system with self-learning, self-decision and self-adaptive capabilities, and the intelligent analysis decision module consists of four subsystems of data analysis processing, environment recognition, task planning and operation planning.

Further, the method comprises the following steps:

in combination with the above, lifting lugs 4111 are welded at four corners of the surface of the lifting plate 411, lifting hooks 4112 are connected to the four lifting lugs 4111, fixing lugs 4114 are connected to the lower portion of the anti-falling hook 413, and the fixing lugs 4114 and the four lifting lugs 4111 are connected through lifting ropes 4113.

In this embodiment: along with the promotion of anticreep hook 413, can stimulate fixed ear 4114 and drive lifting rope 4113 and stretch, drive lug 4111 through lifting hook 4112 by lifting rope 4113 again and carry out the promotion in step, and then drive lifting plate 411 and promote.

It should be noted that: by welding the lifting lugs 4111 at four corners of the surface of the lift plate 411, stability between the lift plate 411 and the escape prevention hook 413 can be ensured.

Further, the method comprises the following steps:

in combination with the above, the adjusting assembly 42 includes a supporting plate 421, an adjusting motor 422, two-way screws 423, an adjusting block 424, two transmission wheels 425, a transmission belt 426 and a distance measuring sensor 427, the supporting plate 421 is fixed on one side of the lifting plate 411, the adjusting motor 422 is fixed on the surface of the supporting plate 421 through a frame, two sides inside the lifting plate 411 are rotatably connected with the two-way screws 423 through bearings a, two ends of the surface of the two sets of two-way screws 423 are symmetrically and threadedly connected with the adjusting block 424, one ends of the two sets of two-way screws 423 near the supporting plate 421 penetrate through the inside of the lifting plate 411 and respectively extend to one side of the lifting plate 411 and are respectively connected with the transmission wheels 425 arranged on one side of the lifting plate 411, the two sets of transmission wheels 425 are connected with each other through the transmission belt 426, and two sets of distance measuring sensors 427 are symmetrically fixed on two sides of the lifting plate 411.

In this embodiment: when the lifting plate 411 moves to the surface of a workpiece, goods and the like, the adjusting motor 422 is started, one group of bidirectional screws 423 are driven to rotate by the adjusting motor 422, the other group of bidirectional screws 423 can be driven to synchronously rotate by the matching of the driving wheel 425 and the driving belt 426, then the adjusting block 424 is driven to relatively move in the lifting plate 411, the rotating direction of the adjusting motor 422 is controlled by an operator according to the size of the workpiece, the goods and the like, and the two adjusting blocks 424 are further controlled to move close to or away from each other, so that the aim of adjusting the adjusting blocks 424 to approach the surface of the workpiece, the goods and the like is fulfilled.

It should be noted that: in the in-process of adjusting distance between regulating block 424 and work piece, goods etc, through ranging sensor 427's setting, can detect regulating block 424 and work piece, distance between goods etc and measure the distance between lift plate 411 and the ground cooperation personnel, when both distances all satisfy the settlement condition of safe operation, it can go on once more to promote the operation, prevent that ground cooperation personnel from having the potential safety hazard of hindering the people with product distance closely, material or operating environment probably produce harm to the human body under avoiding special application scene.

Further, the method comprises the following steps:

in combination with the above, the output end of the adjusting motor 422 is connected to the penetrating end of one of the two-way screws 423, the two sides of the four adjusting blocks 424 are fixed with a limit block 4242, one side of the lifting plate 411 close to the limit block 4242 is provided with a limit groove 4241, and the adjusting block 424 and the lifting plate 411 are slidably connected through the limit block 4242 and the limit groove 4241.

In this embodiment: along with the rotation of two-way screw 423, can drive regulating block 424 and remove in the inside adjustment tank of seting up of lifting plate 411, through regulating block's 424 removal, can drive the stopper 4242 of its surperficial both sides and carry out synchronous slip in spacing groove 4241, and then carry on spacingly to regulating block's 424 removal, improve the stability that regulating block 424 removed.

Further, the method comprises the following steps:

in combination with the above, the clamping assembly 43 includes a fixing seat 431, a clamping motor 432, a threaded rod 433, a threaded block 434, connecting rods 435, a hinged rod a436, a curved rod 437, a hinged rod B438 and a clamping plate 439, the fixing seats 431 are symmetrically fixed to adjacent sides of two sets of adjusting blocks 424 on the front and rear sides, the clamping motors 432 are fixed to surfaces of the four sets of fixing seats 431, the threaded rod 433 is disposed inside the fixing seat 431, the threaded block 434 is connected to a surface of the threaded rod 433 through a thread, the connecting rods 435 are symmetrically fixed to two sides of the threaded block 434, the curved rods 437 in an "L-shaped structure" are disposed at ends of the two sets of connecting rods 435 far away from the threaded block 434, the connecting rods 435 are connected to the curved rods 437 through the hinged rod a436, the two sets of curved rods 437 are connected to the fixing seats 431 through the hinged rod B438, and the clamping plate 439 is welded to one end of the two sets of curved rods 437 far away from the two sets of connecting rods 435.

In this embodiment: when the distance between regulating block 424 and work piece, goods etc. satisfies the centre gripping condition, through starting centre gripping motor 432, it rotates in the inside of fixing base 431 to drive threaded rod 433 by centre gripping motor 432, and then drive threaded block 434 at the inside downstream of fixing base 431, along with the removal of threaded block 434, can drive connecting rod 435 and move, setting through hinge rod A436 and hinge rod B438, can drive curved bar 437 and open, and then drive clamping plate 439 and expand, when clamping plate 439 moves to the work piece, when positions such as goods department, control centre gripping motor 432 reverses, thereby drive curved bar 437 and clamping plate 439 closed, and then to the work piece, goods etc. snatch.

It should be noted that: the crane unmanned path planning technology is adopted, the environment map is established through the environment map, the environment map is modeled through a grid method, the operation characteristics of the bridge crane are combined, the grid is subjected to expansion processing, the safety of the bridge crane in the operation process is ensured, the grid is subjected to convex processing in order to improve the convergence of the algorithm, the convergence of the algorithm is improved, an optimal path is planned based on an improved ant colony algorithm, a global path planning algorithm based on the ant colony algorithm is adopted, smoothness heuristic factors are introduced, the turning times of the algorithm are reduced as far as possible while the path length is ensured, the goods swing is reduced, the lifting efficiency is ensured, the self parameters of the ant colony algorithm are combined, the pheromone distribution principle and the pheromone updating mode are improved, the convergence speed is improved, and the situation that the goods fall into local optimization is avoided.

Further, the method comprises the following steps:

in combination with the above, the bottom of the fixing seat 431 is fixed with a connecting plate 4311, two ends of the threaded rod 433 are rotatably connected between the fixing seat 431 and the connecting plate 4311 through a bearing B, one end of the threaded rod 433, which is far away from the connecting plate 4311, penetrates through the inside of the fixing seat 431 and extends to the top of the fixing seat 431 and is connected with the output end of the clamping motor 432, the adjacent sides of the two groups of clamping plates 439 are provided with anti-skid threads, the cab 31 is arranged below the bridge 1, and the surface of the cab 31 is fixed between the bridge 1 and one of the groups of supporting legs 2.

In this embodiment: when work piece, goods etc. need to be carried out the jack-up, enter into driver's cabin 31 through operating personnel, through the operating system of control driver's cabin 31 inside, and then control crane span structure 1 and drive box 3 and work piece, goods etc.'s position, control grip plate 439 carries out the centre gripping operation to work piece, goods etc. afterwards, through the setting of driver's cabin 31 and camera 414, can expand operating personnel's visual angle and line-of-sight distance, avoid appearing ground commander's commander improper in the operation process, the gesture differentiates the mistake, can't accurately convey intention scheduling problem, prevent to arouse the maloperation.

It should be noted that: the anti-slip threads can be made of elastic rubber materials, so that the clamping plate 439 can be buffered when being contacted with workpieces, goods and the like, and the workpieces, the goods and the like can be prevented from being damaged.

Working principle, when in use: when workpieces, cargos and the like need to be lifted, an operator enters the cab 31, the crane span structure 1 is moved to the positions above the workpieces, cargos and the like by controlling an operating system in the cab 31, the positions of the driving box 3, the lifter 412 and the anti-falling hook 413 are observed by the camera 414, when the workpieces, cargos and the like are just opposite to the lower part of the lifting plate 411, the lifting plate 411 is controlled to approach the workpieces, cargos and the like, when the lifting plate 411 moves to the surface of the workpieces, cargos and the like, the adjusting motor 422 is started, one group of bidirectional screws 423 are driven to rotate by the adjusting motor 422, the other group of bidirectional screws 423 can be driven to synchronously rotate by the matching of the driving wheel 425 and the driving belt 426, then the adjusting block 424 is driven to move relatively in the interior of the lifting plate 411, and the rotating direction of the adjusting motor 422 is controlled by the operator according to the sizes of the workpieces, cargos and the like, and then control two regulating blocks 424 to move close to or away from each other, realize the purpose that regulating block 424 is close to the surface of work piece, goods etc. and adjust, in the course of adjusting the distance between regulating block 424 and work piece, goods etc., through the setting up of range finding sensor 427, can detect the distance between regulating block 424 and work piece, goods etc. and measure the distance between lifting plate 411 and the ground cooperator, when both distances satisfy the settlement condition of the safe operation, the lifting operation can be carried on again, prevent the ground cooperator and product from being too close to have the potential safety hazard of hurting people, avoid under the special application scene material or operating environment may produce the harm to the human body, when the distance between regulating block 424 and work piece, goods etc. satisfies the clamping condition, through starting clamping motor 432, by clamping motor 432 drive threaded rod 433 rotates in the inside of fixing base 431, and then drive screw block 434 in the inside downstream of fixing base 431, along with screw block 434's removal, can drive connecting rod 435 and remove, setting through hinge bar A436 and hinge bar B438, can drive curved bar 437 and open, and then drive grip block 439 and expand, when grip block 439 moves to the work piece, when positions department such as goods, control centre gripping motor 432 reversal, thereby drive curved bar 437 and grip block 439 closed, and then to the work piece, the goods etc. snatch, then start lifting machine 412 and drive anticreep hook 413 and remove, along with the promotion of anticreep hook 413, can stimulate fixed ear 4114 and drive lifting rope 4113 and stretch, again drive lug 4111 through lifting hook 4112 by lifting rope 4113 and carry out synchronous lifting, thereby drive lifting plate 411 and the work piece below, the goods etc. carry out stable promotion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Intelligence gantry crane, fix including crane span structure (1) and symmetry landing leg (2) of crane span structure (1) lower surface both sides with install drive case (3) of crane span structure (1) top, it is two sets of the bottom of landing leg (2) all is fixed with strengthening rib (21), and two sets of the lower extreme both sides of landing leg (2) all are fixed with removes wheel (22), its characterized in that: a hoisting mechanism (4) is arranged below the bridge (1);

the lifting mechanism (4) comprises a lifting assembly (41), an adjusting assembly (42) and a clamping assembly (43), the lifting assembly (41) is installed below the driving box (3), the adjusting assembly (42) is arranged below the bridge frame (1), and the clamping assembly (43) is arranged at four corners of the lower portion of the lifting assembly (41).

2. The intelligent gantry bridge crane according to claim 1, wherein: promote subassembly (41) including promoting board (411), lifting machine (412), anticreep hook (413) and camera (414), the lower surface of drive box (3) is connected with lifting machine (412), the below of lifting machine (412) is connected with anticreep hook (413), the below of anticreep hook (413) is provided with promote board (411), the lower fixed surface of crane span structure (1) has a plurality of camera (414).

3. The intelligent gantry crane of claim 2, wherein: lifting lug (4111), four groups have all been welded to the surperficial four corners department of lift plate (411) the inside of lifting lug (4111) all is connected with lifting hook (4112), the below of anticreep hook (413) is connected with fixed ear (4114), fixed ear (4114) and four groups be connected through lifting rope (4113) respectively between lifting lug (4111).

4. The intelligent gantry crane of claim 3, wherein: the adjusting assembly (42) comprises a supporting plate (421), an adjusting motor (422), two-way screws (423), an adjusting block (424), a transmission wheel (425), a transmission belt (426) and a distance measuring sensor (427), wherein the supporting plate (421) is fixed on one side of the lifting plate (411), the adjusting motor (422) is fixed on the surface of the supporting plate (421) through a rack, the two sides of the interior of the lifting plate (411) are rotatably connected with the two-way screws (423) through bearings A, the adjusting blocks (424) are symmetrically and threadedly connected to two ends of the surface of the two sets of two-way screws (423), one ends of the two sets of two-way screws (423) close to the supporting plate (421) penetrate through the interior of the lifting plate (411) and respectively extend to one side of the lifting plate (411) and are respectively connected with the transmission wheel (425) arranged on one side of the lifting plate (411), the two sets of transmission wheels (425) are connected through the transmission belt (426), and the two sets of the distance measuring sensor (427) are symmetrically fixed on two sides of the lifting plate (411).

5. The intelligent gantry crane of claim 4, wherein: the output end of the adjusting motor (422) is connected with the penetrating end of one group of the bidirectional screws (423).

6. The intelligent gantry bridge crane of claim 5, wherein: the two sides of the four groups of adjusting blocks (424) are respectively fixed with a limiting block (4242), one side of the lifting plate (411) close to the limiting block (4242) is provided with a limiting groove (4241), and the adjusting blocks (424) are connected with the lifting plate (411) in a sliding mode through the limiting blocks (4242) and the limiting grooves (4241).

7. The intelligent gantry bridge crane according to claim 6, wherein: the clamping assembly (43) comprises a fixed seat (431), a clamping motor (432), a threaded rod (433), a threaded block (434), a connecting rod (435), a hinged rod A (436), a curved rod (437), a hinged rod B (438) and a clamping plate (439), wherein the front side and the rear side of the fixed seat (431) are symmetrically fixed on one adjacent side of the regulating block (424) by the fixed seat (431) and four groups of the fixed seat (431) are fixed on the surface of the clamping motor (432), the fixed seat (431) is internally provided with the threaded rod (433), the surface of the threaded rod (433) is in threaded connection with the threaded block (434), the two sides of the threaded block (434) are symmetrically fixed with the connecting rod (435) and two groups of the connecting rod (435) are far away from one end of the threaded block (434) is provided with an L-shaped structure of the curved rod (437), the connecting rod (435) is connected with the hinged rod A (436), the curved rod (437) is connected with the fixed seat (431) through the hinged rod B (438), and the two groups of the curved rod (437) are far away from one end of the clamping plate (439).

8. The intelligent gantry crane of claim 7, wherein: the bottom of fixing base (431) is fixed with connecting plate (4311), the both ends of threaded rod (433) all rotate through bearing B and connect in fixing base (431) with between connecting plate (4311), just threaded rod (433) are kept away from the one end of connecting plate (4311) runs through the inside of fixing base (431), and extend to the top of fixing base (431), and with the output of centre gripping motor (432) is connected.

9. The intelligent gantry bridge crane according to claim 8, wherein: and the adjacent sides of the two groups of clamping plates (439) are provided with anti-skid grains.

10. The intelligent gantry bridge crane of claim 9, wherein: a cab (31) is arranged below the bridge (1), and the surface of the cab (31) is fixed between the bridge (1) and one group of the supporting legs (2).