Electric monorail crane

Abstract

The invention relates to the technical field of monorail cranes, in particular to an electric monorail crane which comprises a hanger rail, a monorail crane body and a holding mechanism, and the holding mechanism comprises a connecting structure, two overturning structures, two holding assemblies and a passive braking assembly; the connecting structure comprises a U-shaped connecting frame, two fixed plates and two rotating plates; the two overturning structures are arranged on the two fixing plates correspondingly and connected with the rotating plate. The two holding assemblies are arranged on the two rotating plates and connected with the two rotating plates respectively, each holding assembly comprises a rolling walking assembly and an active braking assembly, the rolling walking assemblies are installed on the rotating plates, the active braking assemblies comprise braking discs, and the braking discs are arranged on the rolling walking assemblies; the passive brake assembly is arranged at the upper end of the hanger rail; by arranging the connecting structure, the overturning structure, the clasping assembly and the passive braking assembly, the problem of local excessive abrasion caused by long-term contact of fixed parts is avoided, and the service life of the brake disc is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of monorail cranes, in particular to an electric monorail crane. Background Art

[0002] The electric monorail crane is driven by a motor, achieving zero-emission, pollution-free and low-noise green operation. This new type of lifting equipment not only solves many problems existing in traditional lifting equipment, but also significantly improves work efficiency and safety. Due to the use of motor drive, the start and stop response of the equipment is more sensitive, so higher requirements are placed on the braking system to ensure a good braking effect.

[0003] According to the patent with the announcement number CN217148324U, a double-brake monorail crane brake vehicle and a monorail crane are disclosed. The design is provided with two sets of double brake mechanisms arranged front and back along the track direction. During the braking process, the two brake blocks in each set of double brake mechanisms are in close contact with the track from both sides of the track. As the squeezing force between the brake blocks and the track increases, the friction between the two also increases, and finally the traveling mechanism stops moving.

[0004] Although the above solution effectively improves the braking effect by configuring two sets of braking mechanisms, in actual operation, the brake pads will initially experience a sliding friction stage when squeezing the rails for braking. In order to ensure the strength and service life of the rails, the brake pads should be replaced regularly as wearing parts. Each time the brake is applied, the fixed part of the brake pads directly contacts the rails, which will cause accelerated local wear of the brake pads, affecting their service life and braking performance. Summary of the invention

[0005] In view of the above problems, an electric monorail crane is provided. By setting a connecting structure, a flipping structure, a clamping assembly and a passive braking assembly, the contact part between the brake disc and the brake plate is different each time braking, thereby achieving uniform wear on the surface of the annular brake disc, thereby avoiding the problem of local excessive wear caused by long-term contact at a fixed position and extending the service life of the brake disc.

[0006] In order to solve the problems of the prior art, the present invention provides an electric monorail crane, comprising a hanging rail and a monorail crane body arranged on the hanging rail, and also comprising a clamping mechanism, the clamping mechanism comprising a connecting structure, two flipping structures, two clamping assemblies and a passive braking assembly; the connecting structure comprises a U-shaped connecting frame, two fixed plates and two rotating plates, the middle part of the U-shaped connecting frame is connected to the monorail crane body, the two fixed plates are respectively arranged at the two ends of the U-shaped connecting frame and are connected to the U-shaped connecting frame, the two rotating plates are respectively arranged at the upper ends of the two fixed plates, and the rotating plates are axially connected to the fixed plates; the two flipping structures are respectively arranged on the two fixed plates, and the flipping structures are connected to the rotating plates; the two clamping assemblies are respectively arranged on the two rotating plates, the clamping assembly comprises a rolling travel assembly and an active braking assembly, the rolling travel assembly is installed on the rotating plate, the active braking assembly comprises a brake disc, and the brake disc is arranged on the rolling travel assembly; the passive braking assembly is arranged at the upper end of the hanging rail, the passive braking assembly comprises a brake plate, and the brake plate is arranged between the two brake discs.

[0007] Preferably, the rolling travel assembly includes a connecting shaft, a roller and an outer gear ring; one end of the connecting shaft is connected to the rotating plate; the roller is arranged at the other end of the connecting shaft, and the roller and the connecting shaft are connected by a bearing; the outer gear ring is fixedly sleeved on the outside of the roller; the passive braking assembly also includes a rack track, the rack track is arranged parallel to the upper end of the hanging rail, and the outer gear ring is meshed with the rack track.

[0008] Preferably, the flipping structure includes a transmission rod, two guide plates and a first driving structure; the transmission rod is arranged inside the rotating plate, the transmission rod is parallel to the axis of the axial connection between the fixed plate and the rotating plate, and both ends of the transmission rod extend out of the rotating plate; the two guide plates are respectively arranged at both ends of the transmission rod, and guide grooves are opened on the guide plates, and the transmission rod is slidably arranged in the guide grooves; the first driving structure is arranged on the fixed plate, and the first driving structure is connected to the two guide plates.

[0009] Preferably, the first driving structure includes two screw rods, two moving blocks, two driving plates, a synchronous plate and a reverse rotation component; the two screw rods are arranged in parallel on one side of the fixed plate; the two moving blocks are arranged on the two screw rods respectively; the two driving plates correspond to the two moving blocks respectively, and one end of the driving plate is axially connected to the moving block; the synchronous plate is arranged in parallel at the upper end of the screw rod, and the two ends of the synchronous plate are axially connected to the two driving plates, and the two ends of the synchronous plate are connected to the two guide plates; the reverse rotation component is arranged at one end of the screw rod.

[0010] Preferably, the flipping structure further includes two first guide structures, which are arranged on the fixed plate, and the two first guide structures correspond to the two guide plates respectively.

[0011] Preferably, the clamping mechanism also includes two linkage structures, which are respectively arranged on the two rotating plates, and the linkage structure includes a linkage beam, two linkage push plates, two second guide structures and two elastic linkage arms; the middle part of the linkage beam is connected to the end of the connecting shaft, and rollers are arranged at both ends of the linkage beam; the two linkage push plates are respectively arranged at the two ends of the linkage beam; the two second guide structures correspond to the two linkage push plates, and the linkage push plates are connected to the second guide structures; the two elastic linkage arms are respectively arranged on both sides of the rotating plate, and the two ends of the elastic linkage arms are respectively connected to the guide plate and the linkage push plate.

[0012] Preferably, the linked push plate includes an inclined plate and a vertical plate, one end of the inclined plate is connected to the second guide structure, and the other end of the inclined plate is connected to the vertical plate.

[0013] Preferably, the linkage structure further includes a second spring, which is sleeved on the connecting shaft, and two ends of the second spring are respectively in contact with the linkage beam and the rotating plate.

[0014] Preferably, the active braking component also includes a second drive structure, which includes a transmission shaft and a linear drive; the transmission shaft is coaxially arranged inside the connecting shaft, and one end of the transmission shaft passes through a roller and is connected to the brake disc; the linear drive is arranged on the linkage beam, and the output end of the linear drive abuts against the end of the transmission shaft.

[0015] Preferably, the active braking assembly further comprises a plurality of reset assemblies, and the plurality of reset assemblies are arranged in a circular array about the transmission shaft.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention is provided with a connecting structure, a flipping structure, a clamping assembly and a passive braking assembly. The flipping structure ensures that the rotating plate can rotate to a coplanar state with the fixed plate, so that the two rotating plates remain parallel to each other, and at the same time ensures that the brake disc and the brake plate are also in a parallel relationship. This not only ensures uniform contact between the brake disc and the brake plate during braking, and improves the stability and safety of the braking process, but also during the movement, the brake disc rotates around its own axis through the drive of the rolling travel assembly, so that each time the brake is applied, the contact position of the brake disc and the brake plate is different, achieving uniform wear on the surface of the annular brake disc, avoiding the problem of local excessive wear caused by long-term contact at fixed positions, and extending the service life of the brake disc.

[0018] 2. In the present invention, the connecting shaft, roller, outer gear ring and rack track work together. When the monorail crane body drives the entire clamping assembly to translate along the hanging rail through the connecting structure, the outer gear ring in the rolling travel assembly rolls along the rack track. Due to the meshing relationship between the outer gear ring and the rack track, the outer gear ring can rotate around its own axis during movement, and further drive the roller connected to it to rotate around the axis of the connecting shaft. The roller acts as a transmission medium, and its rotational motion is effectively transmitted to the brake disc connected to it, realizing the synchronous rotation of the brake disc, thereby ensuring the continuous rotation of the brake disc during the movement of the monorail crane body.

[0019] 3. The present invention is equipped with a transmission rod, a guide plate and a first driving structure. The guide groove design on the guide plate includes a straight groove portion and an arcuate groove portion. The straight groove portion can effectively prevent the transmission rod from rotating around the axial connection between the rotating plate and the fixed plate, ensuring that the rotating plate and the fixed plate remain in a coplanar state. When the brake disc needs to be replaced, the arcuate groove portion of the guide groove on the guide plate contacts the transmission rod, and the groove wall of the arcuate groove applies a force to the transmission rod, which is transmitted to the rotating plate through the transmission rod, causing the rotating plate to rotate around the axis between it and the fixed plate. As the rotating plate rotates, the entire clamping assembly also rotates, and its height is reduced, thereby realizing the automatic flipping of the clamping assembly during the replacement of the brake disc, and providing space for the staff to repair and replace the brake disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a stereoscopic diagram of an electric monorail crane of the present invention.

[0021] Figure 2 The present invention is a three-dimensional clamping mechanism of an electric monorail crane Figure 1 .

[0022] Figure 3 The present invention is a three-dimensional clamping mechanism of an electric monorail crane Figure 2 .

[0023] Figure 4 It is a stereoscopic diagram of a rotating plate, a clamping assembly and a passive braking assembly in an electric monorail crane of the present invention.

[0024] Figure 5 It is a stereoscopic diagram of a fixed plate, a rotating plate, a flip structure and a rolling travel component in an electric monorail crane of the present invention.

[0025] Figure 6 It is a stereoscopic diagram of a fixed plate, a guide plate and a first driving structure in an electric monorail crane of the present invention.

[0026] Figure 7 It is a stereoscopic diagram of a fixed plate, a guide plate and a first guide structure in an electric monorail crane of the present invention.

[0027] Figure 8 It is a stereoscopic diagram of a fixed plate, a rotating plate, a guide plate and a linkage structure in an electric monorail crane of the present invention.

[0028] Fig. 9 It is a stereoscopic diagram of a connecting shaft, a linkage beam, a roller and a linkage push plate in an electric monorail crane of the present invention.

[0029] Fig.10 It is a stereoscopic diagram of a rotating plate, a rolling travel assembly, an active braking assembly, a linkage beam and a second spring in an electric monorail crane of the present invention.

[0030] Fig.11 It is a three-dimensional cross-sectional view of a rolling travel assembly and a second drive structure in an electric monorail crane of the present invention.

[0031] Fig.12 The utility model is an exploded view of a roller, a brake disc and a reset assembly in an electric monorail crane of the present invention.

[0032] The numbers in the figure are: 1, hanging rail; 2, monorail hanging body; 3, connecting structure; 31, U-shaped connecting frame; 32, fixed plate; 33, rotating plate; 4, flip structure; 41, transmission rod; 42, guide plate; 421, guide groove; 43, first driving structure; 431, screw rod; 432, moving block; 433, driving plate; 434, synchronous plate; 435, reverse rotation component; 4351, gear; 4352, turntable; 44, first guide structure; 441, first guide column; 442, first connecting block; 5, holding component; 51, rolling walking component; 511, connecting shaft; 512 , roller; 513, outer gear ring; 52, active braking assembly; 521, brake disc; 522, second drive structure; 5221, transmission shaft; 5222, linear drive; 523, reset assembly; 5231, second guide column; 5232, first spring; 6, passive braking assembly; 61, brake plate; 62, rack track; 7, linkage structure; 71, linkage beam; 711, roller; 72, linkage push plate; 721, inclined plate; 722, vertical plate; 73, second guide structure; 731, third guide column; 732, second connecting block; 74, elastic linkage arm; 75, second spring. DETAILED DESCRIPTION

[0033] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0034] Reference Figures 1 to 12As shown: an electric monorail crane, comprising a hanging rail 1 and a monorail crane body 2 arranged on the hanging rail 1, and also comprising a clamping mechanism, the clamping mechanism comprising a connecting structure 3, two flip structures 4, two clamping components 5 and a passive braking component 6; the connecting structure 3 comprises a U-shaped connecting frame 31, two fixed plates 32 and two rotating plates 33, the middle part of the U-shaped connecting frame 31 is connected to the monorail crane body 2, the two fixed plates 32 are respectively arranged at the two ends of the U-shaped connecting frame 31 and connected to the U-shaped connecting frame 31, the two rotating plates 33 are respectively arranged at the upper ends of the two fixed plates 32, and the rotating plates 33 are connected to the fixed plates 32. The fixed plate 32 is axially connected; the two flipping structures 4 are respectively arranged on the two fixed plates 32, and the flipping structures 4 are connected to the rotating plate 33; the two clamping components 5 are respectively arranged on the two rotating plates 33, the clamping component 5 includes a rolling walking component 51 and an active braking component 52, the rolling walking component 51 is installed on the rotating plate 33, the active braking component 52 includes a brake disc 521, and the brake disc 521 is arranged on the rolling walking component 51; the passive braking component 6 is arranged at the upper end of the hanging rail 1, the passive braking component 6 includes a brake plate 61, and the brake plate 61 is arranged between the two brake discs 521.

[0035] When the monorail crane body 2 is in working condition and moves along the hanging rail 1, the flip structure 4 rotates the rotating plate 33 to a coplanar state with the fixed plate 32, ensuring that the two rotating plates 33 are parallel to each other and the brake disc 521 maintains a parallel relationship with the brake plate 61. When the monorail crane body 2 moves along the hanging rail 1, the two clamping components 5 move along the hanging rail 1 through the linkage of the U-shaped connecting frame 31, the fixed plate 32 and the rotating plate 33. During this process, the rolling walking component 51 in the clamping component 5 drives the brake disc 521 to rotate around its own axis. If the monorail crane body 2 needs to be stopped, the two brake discs 521 will contact both sides of the brake plate 61 at the same time and gradually increase the squeezing force until the friction force generated is sufficient to prevent the monorail crane body 2 from moving. Since the brake disc 521 continues to rotate during the movement, the part in contact with the brake plate 61 is different each time the brake is applied, thereby achieving uniform wear on the surface of the brake disc 521, thereby avoiding local excessive wear and extending the service life of the brake disc 521.

[0036] Reference Figure 3 and Figure 4 As shown: the rolling walking component 51 includes a connecting shaft 511, a roller 512 and an outer gear ring 513; one end of the connecting shaft 511 is connected to the rotating plate 33; the roller 512 is arranged at the other end of the connecting shaft 511, and the roller 512 and the connecting shaft 511 are connected through a bearing; the outer gear ring 513 is fixedly sleeved on the outer side of the roller 512; the passive braking component 6 also includes a rack rail 62, the rack rail 62 is arranged parallel to the upper end of the hanging rail 1, and the outer gear ring 513 is engaged with the rack rail 62.

[0037] When the monorail crane body 2 drives the entire clamping assembly 5 to translate along the hanging rail 1 through the connecting structure 3, the outer gear ring 513 in the rolling walking assembly 51 rolls along the rack track 62. Due to the meshing relationship between the outer gear ring 513 and the rack track 62, the outer gear ring 513 rotates around its own axis during the movement. The rotation of the outer gear ring 513 further drives the roller 512 connected thereto to rotate around the axis of the connecting shaft 511. The roller 512 serves as a transmission medium, and its rotation drives the synchronous rotation of the brake disc 521, thereby realizing the effective conversion of the horizontal movement of the monorail crane body 2 into the rotational movement of the brake disc 521, thereby ensuring the continuous rotation of the brake disc 521 during the movement of the monorail crane body 2.

[0038] Reference Figure 3 and Figure 5 As shown: the flip structure 4 includes a transmission rod 41, two guide plates 42 and a first driving structure 43; the transmission rod 41 is arranged inside the rotating plate 33, the transmission rod 41 is parallel to the axis of the axial connection between the fixed plate 32 and the rotating plate 33, and both ends of the transmission rod 41 extend out of the rotating plate 33; the two guide plates 42 are respectively arranged at both ends of the transmission rod 41, and a guide groove 421 is opened on the guide plate 42, and the transmission rod 41 is slidably arranged in the guide groove 421, and the guide groove 421 includes a straight groove and an arc groove, and the arc groove is connected to the straight groove; the first driving structure 43 is arranged on the fixed plate 32, and the first driving structure 43 is connected to the two guide plates 42.

[0039] When the brake disc 521 is in normal working condition, the end of the transmission rod 41 is located in the straight groove part of the guide groove 421. At this time, due to the limitation of the straight groove, the transmission rod 41 cannot rotate around the axial connection between the rotating plate 33 and the fixed axis, ensuring that the rotating plate 33 and the fixed axis remain in the same plane and maintain the stable operation of the brake disc 521. When the brake disc 521 needs to be replaced, the first driving structure 43 works to drive the two guide plates 42 to move synchronously, so that the arc groove part in the guide groove 421 contacts the transmission rod 41, and the groove wall of the arc groove applies a force to the transmission rod 41, which is transmitted to the rotating plate 33 through the transmission rod 41, prompting the rotating plate 33 to rotate around the axis between it and the fixed plate 32. As the rotating plate 33 rotates, the entire clamping assembly 5 also rotates, and its height decreases accordingly, thereby realizing the automatic flipping of the clamping assembly 5 during the replacement of the brake disc 521, providing space for the staff to repair and replace the brake disc 521.

[0040] Reference Figure 5 and Figure 6As shown: the first driving structure 43 includes two screw rods 431, two moving blocks 432, two driving plates 433, a synchronous plate 434 and a reverse rotation component 435; the two screw rods 431 are arranged in parallel on one side of the fixed plate 32; the two moving blocks 432 are respectively arranged on the two screw rods 431; the two driving plates 433 correspond to the two moving blocks 432 respectively, and one end of the driving plate 433 is axially connected to the moving block 432; the synchronous plate 434 is arranged in parallel at the upper end of the screw rod 431, and the two ends of the synchronous plate 434 are axially connected to the two driving plates 433, and the two ends of the synchronous plate 434 are connected to the two guide plates 42; the reverse rotation component 435 is arranged at one end of the screw rod 431, and the reverse rotation component is composed of two gears 4351 and a rotating disk 4352, the two gears 4351 are respectively installed on the two screw rods 431, and the two gears 4351 are meshed, and the rotating disk 4352 is fixedly installed at one end of the screw rod 431.

[0041] When it is necessary to keep the rotating plate 33 and the fixed plate 32 coplanar, the staff will rotate the turntable 4352 clockwise, and the turntable 4352 will drive one of the screw rods 431 to rotate. Due to the meshing relationship between the two gears 4351, the other screw rod 431 will also rotate in the opposite direction at the same time, realizing the synchronous reverse rotation of the two screw rods 431, so that the two moving blocks 432 move in opposite directions along their respective screw rods 431, and then drive the synchronous plate 434 and the connected guide plate 42 to translate upward as a whole through the driving plate 433. In this process, the end of the transmission rod 41 will gradually slide into the linear groove along the trajectory of the guide groove 421, ensuring that the rotating plate 33 and the fixed plate 32 are coplanar. On the contrary, When the brake disc 521 needs to be replaced, the staff will rotate the turntable 4352 counterclockwise, causing the two moving blocks 432 to reset, that is, move along the screw rod 431 in the opposite but initial direction. This action drives the synchronous plate 434 and the connected guide plate 42 to reset downward as a whole through the driving plate 433. At the same time, the end of the transmission rod 41 will slide into the arc groove of the guide groove 421, providing the necessary conditions for the rotation of the rotating plate 33. Through the action of the reverse rotation component 435, the synchronous reverse rotation of the two screw rods 431 is ensured, thereby realizing the synchronous movement of the moving block 432, the driving plate 433, the synchronous plate 434 and the guide plate 42, and ensuring the stable sliding of the transmission rod 41 in the guide groove 421.

[0042] Reference Figure 5 and Figure 7As shown: the flip structure 4 also includes two first guide structures 44, the two first guide structures 44 are arranged on the fixed plate 32, and the two first guide structures 44 correspond to the two guide plates 42 respectively, the first guide structure 44 includes a first guide column 441 and a first connecting block 442, the first guide column 441 is vertically arranged, and the two ends of the first guide column 441 are connected to the fixed plate 32, the first connecting block 442 is slidably arranged on the first guide column 441, and the first connecting block 442 is connected to the guide plate 42 and the synchronization plate 434.

[0043] When a certain angle is formed between the rotating plate 33 and the fixed plate 32, the clamping assembly 5 installed on the rotating plate 33 will generate a downward force due to the action of gravity. This force is transmitted to the guide plate 42 through the transmission rod 41, and the guide plate 42 will transmit the force to the synchronous plate 434, causing the synchronous plate 434 to twist and deform without sufficient support. By setting two first guide structures 44, during the movement of the guide plate 42, the guide plate 42 drives the first connecting block 442 to slide along the first guide column 441, and the first connecting block 442 and the first guide column 441 are always connected. When the guide plate 42 is subjected to the force from the transmission rod 41, the component of this force in the non-vertical direction will be dispersed to the first guide column 441 through the first connecting block 442, while the component of the force in the vertical direction will continue to act on the synchronous plate 434. This force dispersion method makes the upper and lower sides of the synchronous plate 434 evenly stressed, thereby greatly reducing the risk of twisting and deformation of the synchronous plate 434.

[0044] Reference Figure 3 , Figure 8 and Fig. 9 As shown: the clamping mechanism also includes two linkage structures 7, which are respectively arranged on the two rotating plates 33, and the linkage structure 7 includes a linkage beam 71, two linkage push plates 72, two second guide structures 73 and two elastic linkage arms 74; the middle part of the linkage beam 71 is connected to the end of the connecting shaft 511, and rollers 711 are arranged at both ends of the linkage beam 71; the two linkage push plates 72 are respectively arranged at both ends of the linkage beam 71; the two second guide structures 73 correspond to the two linkage push plates 72, and the linkage push plates 72 are connected to the second guide structure 73, and the second guide structure 73 includes a third guide column 731 and a second connecting block 732, and the two ends of the third guide column 731 are connected to the rotating plate 33, the second connecting block 732 is slidably arranged on the third guide column 731, and the second connecting block 732 is connected to the linkage push plate 72; the two elastic linkage arms 74 are respectively arranged on both sides of the rotating plate 33, and the two ends of the elastic linkage arm 74 are respectively connected to the guide plate 42 and the linkage push plate 72.

[0045] When the flip structure 4 starts to drive the rotating plate 33 to rotate, the end of the transmission rod 41 first moves along the straight groove part of the guide groove 421. At this stage, the guide plate 42 itself does not guide the rotating plate 33 to rotate, but the guide plate 42 still moves downward and generates a force on the linkage push plate 72 through the elastic linkage arm 74. After receiving the force, the linkage push plate 72 slides along the third guide column 731. The second connecting block 732 ensures the stability and accuracy of the sliding. As the linkage push plate 72 moves, the linkage push plate 72 contacts with the roller 711 and applies a thrust to the roller 711. The thrust is generated by the linkage arm 74. The movable beam 71 is transmitted to the connecting shaft 511, generating a force along the axial direction of the connecting shaft 511, and the force causes the rolling travel assembly 51 to move along the axial direction of the connecting shaft 511 until the outer gear ring 513 therein is completely separated from the rack track 62. At this time, the end of the transmission rod 41 has moved to the arc groove portion of the guide groove 421, and the guide plate 42 begins to apply a torque to the rotating plate 33 to rotate it, ensuring that the rotating plate 33 can smoothly and accurately complete the rotation action, thereby achieving the rolling travel assembly 51 After being separated from the rack track 62, the rotating plate 33 is driven to rotate.

[0046] Reference Figure 8 and Fig. 9 As shown, the linkage push plate 72 includes an inclined plate 721 and a vertical plate 722 , one end of the inclined plate 721 is connected to the second guide structure 73 , and the other end of the inclined plate 721 is connected to the vertical plate 722 .

[0047] When the guide plate 42 drives the rotating plate 33 to rotate, the guide plate 42 still maintains a downward movement trend and continues to apply a force to the linkage push plate 72. In the initial stage, the inclined plate 721 first contacts the roller 711 and applies a thrust to the roller 711 by virtue of its inclined angle. The thrust is effectively transmitted to the linkage beam 71 through the roller 711, thereby pushing the rolling travel component 51 to move. As the rolling continues, the roller 711 gradually moves to a position in contact with the vertical plate 722. Since the vertical plate 722 is designed to be vertical, the vertical plate 722 cannot apply additional thrust to the roller 711, ensuring that when the roller 711 contacts the vertical plate 722, the movement of the rolling travel component 51 will stop, thereby limiting the movement range of the rolling travel component 51.

[0048] Reference Fig.10 As shown, the linkage structure 7 further includes a second spring 75 , which is sleeved on the connecting shaft 511 , and two ends of the second spring 75 are respectively in contact with the linkage beam 71 and the rotating plate 33 .

[0049] When the linkage push plate 72 applies a pushing force to the linkage beam 71 through the inclined plate 721, the linkage beam 71 will move along the axial direction of the connecting shaft 511, thereby driving the rolling walking assembly 51 to perform a corresponding displacement. At this time, due to the increase in the distance between the linkage beam 71 and the rotating plate 33, the second spring 75 will be gradually stretched and a large amount of elastic potential energy will be stored in this process. When the linkage push plate 72 is reset, the elastic potential energy in the second spring 75 begins to be released. As the second spring 75 contracts, the second spring 75 will apply a force to the linkage beam 71 toward the rotating plate 33 to reset the linkage beam 71. The force for resetting the linkage beam 71 is transmitted to the rolling walking assembly 51 through the connecting shaft 511, thereby realizing the resetting of the rolling walking assembly 51.

[0050] Reference Figure 3 and Fig.11 As shown: the active braking component 52 also includes a second driving structure 522, and the second driving structure 522 includes a transmission shaft 5221 and a linear driver 5222; the transmission shaft 5221 is coaxially arranged inside the connecting shaft 511, and one end of the transmission shaft 5221 passes through the roller 512 and is connected to the brake disc 521; the linear driver 5222 is arranged on the linkage beam 71, and the output end of the linear driver 5222 is abutted against the end of the transmission shaft 5221.

[0051] The transmission shaft 5221 is fixedly connected to the brake disc 521, and the rotation force of the brake disc 521 is transmitted to the transmission shaft 5221. The transmission shaft 5221 rotates around its own axis inside the connecting shaft 511. When braking is required, the output end of the linear driver 5222 applies a force toward the brake disc 521 to the transmission shaft 5221, so that the transmission shaft 5221 moves inside the connecting shaft 511. The transmission shaft 5221 pushes the brake disc 521 to separate from the roller 512, and makes the brake disc 521 press against the brake plate 61. When the brake disc 521 stops moving, the transmission shaft 5221 also stops moving, and limits the movement of the connecting shaft 511, thereby achieving braking of the roller 512.

[0052] Reference Fig.11 and Fig.12 As shown: the active braking component 52 also includes a plurality of reset components 523, and the plurality of reset components 523 are arranged in a ring array about the transmission shaft 5221. The reset component 523 includes a second guide column 5231 and a first spring 5232. One end of the second guide column 5231 is connected to the brake disc 521, and the other end of the second guide column 5231 passes through the roller 512. The first spring 5232 is sleeved on the second guide column 5231, and both ends of the first spring 5232 are respectively abutted against the end of the second guide column 5231 and the roller 512.

[0053] During the rotation of the roller 512, the brake disc 521 is able to rotate synchronously with the roller 512 through the second guide posts 5231 in the plurality of reset assemblies 523. When the braking demand occurs and the brake disc 521 is in close contact with the brake plate 61, the first springs 5232 in the plurality of reset assemblies 523 are all in a compressed energy storage state, which reserves the necessary energy for the subsequent reset operation, ensuring that the braking system can quickly and accurately return to the initial state after the braking is completed. Once the linear drive 5222 removes the force on the transmission shaft 5221, the first spring 5232 will use its stored elastic potential energy to quickly reset, push the second guide post 5231 and the brake disc 521 to move together, and quickly separate the brake disc 521 from the brake plate 61, thereby ensuring the rapid switching of the brake disc 521 between the braking and non-braking states.

[0054] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0055] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0058] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the scope defined by the spirit of the present invention.

Claims

1. An electric monorail crane, comprising a hanging rail (1) and a monorail crane body (2) arranged on the hanging rail (1), characterized in that: It also includes a clamping mechanism, which includes a connecting structure (3), two flip structures (4), two clamping components (5) and a passive braking component (6); The connection structure (3) comprises a U-shaped connection frame (31), two fixed plates (32) and two rotating plates (33); the middle portion of the U-shaped connection frame (31) is connected to the monorail crane body (2); the two fixed plates (32) are respectively arranged at two ends of the U-shaped connection frame (31) and connected to the U-shaped connection frame (31); the two rotating plates (33) are respectively arranged at the upper ends of the two fixed plates (32), and the rotating plates (33) are axially connected to the fixed plates (32); The two flip structures (4) are respectively arranged on the two fixed plates (32), and the flip structures (4) are connected to the rotating plate (33); The two clamping assemblies (5) are respectively arranged on the two rotating plates (33), the clamping assembly (5) comprises a rolling travel assembly (51) and an active braking assembly (52), the rolling travel assembly (51) is mounted on the rotating plate (33), the active braking assembly (52) comprises a brake disc (521), and the brake disc (521) is arranged on the rolling travel assembly (51); The passive brake assembly (6) is arranged at the upper end of the hanging rail (1), and the passive brake assembly (6) comprises a brake plate (61), and the brake plate (61) is arranged between two brake discs (521).

2. The electric monorail crane according to claim 1, characterized in that: The rolling travel assembly (51) comprises a connecting shaft (511), a roller (512) and an outer gear ring (513); One end of the connecting shaft (511) is connected to the rotating plate (33); The roller (512) is arranged at the other end of the connecting shaft (511), and the roller (512) and the connecting shaft (511) are connected via a bearing; The outer gear ring (513) is fixedly sleeved on the outer side of the roller (512); The passive brake assembly (6) further comprises a rack track (62), the rack track (62) being arranged in parallel at the upper end of the hanging rail (1), and the outer gear ring (513) being meshed with the rack track (62).

3. The electric monorail crane according to claim 1, characterized in that: The turning structure (4) comprises a transmission rod (41), two guide plates (42) and a first driving structure (43); The transmission rod (41) is arranged inside the rotating plate (33), the transmission rod (41) is parallel to the axis of the shaft connection between the fixed plate (32) and the rotating plate (33), and both ends of the transmission rod (41) extend out of the rotating plate (33); Two guide plates (42) are respectively arranged at two ends of the transmission rod (41); a guide groove (421) is provided on the guide plate (42); and the transmission rod (41) is slidably arranged in the guide groove (421); The first driving structure (43) is arranged on the fixed plate (32), and the first driving structure (43) is connected to the two guide plates (42).

4. The electric monorail crane according to claim 3, characterized in that: The first driving structure (43) comprises two screw rods (431), two moving blocks (432), two driving plates (433), a synchronous plate (434) and a reverse rotation assembly (435); Two screw rods (431) are arranged in parallel on one side of the fixing plate (32); The two moving blocks (432) are respectively arranged on the two screw rods (431); The two driving plates (433) correspond to the two moving blocks (432) respectively, and one end of the driving plate (433) is axially connected to the moving block (432); The synchronizing plate (434) is arranged in parallel at the upper end of the screw rod (431), the two ends of the synchronizing plate (434) are axially connected to the two driving plates (433), and the two ends of the synchronizing plate (434) are connected to the two guide plates (42); The reverse rotation component (435) is arranged at one end of the screw rod (431).

5. The electric monorail crane according to claim 3, characterized in that: The flip structure (4) further comprises two first guide structures (44), the two first guide structures (44) being arranged on the fixed plate (32), and the two first guide structures (44) respectively corresponding to the two guide plates (42).

6. The electric monorail crane according to claim 2, characterized in that: The clamping mechanism further comprises two linkage structures (7), the two linkage structures (7) being respectively arranged on the two rotating plates (33), the linkage structure (7) comprising a linkage beam (71), two linkage push plates (72), two second guide structures (73) and two elastic linkage arms (74); The middle portion of the linkage beam (71) is connected to the end of the connecting shaft (511), and rollers (711) are provided at both ends of the linkage beam (71); Two linkage push plates (72) are respectively arranged at two ends of the linkage beam (71); The two second guide structures (73) correspond to the two linkage push plates (72) respectively, and the linkage push plates (72) are connected to the second guide structures (73); Two elastic linkage arms (74) are respectively arranged on both sides of the rotating plate (33), and two ends of the elastic linkage arms (74) are respectively connected to the guide plate (42) and the linkage push plate (72).

7. The electric monorail crane according to claim 6, characterized in that: The linked push plate (72) comprises an inclined plate (721) and a vertical plate (722); one end of the inclined plate (721) is connected to the second guide structure (73), and the other end of the inclined plate (721) is connected to the vertical plate (722).

8. The electric monorail crane according to claim 6, characterized in that: The linkage structure (7) further comprises a second spring (75), the second spring (75) being sleeved on the connecting shaft (511), and the two ends of the second spring (75) being respectively in contact with the linkage beam (71) and the rotating plate (33).

9. The electric monorail crane according to claim 2, characterized in that: The active braking assembly (52) further includes a second driving structure (522), wherein the second driving structure (522) includes a transmission shaft (5221) and a linear drive (5222); The transmission shaft (5221) is coaxially arranged inside the connecting shaft (511), and one end of the transmission shaft (5221) passes through the roller (512) and is connected to the brake disc (521); The linear driver (5222) is arranged on the linkage beam (71), and the output end of the linear driver (5222) abuts against the end of the transmission shaft (5221).

10. An electric monorail crane according to claim 9, characterized in that: The active braking component (52) further comprises a plurality of reset components (523), wherein the plurality of reset components (523) are arranged in a ring array about the transmission shaft (5221).

Images