turntable

Abstract

This disclosure provides a rotary platform, belonging to the field of platform-related technical technology. The rotary platform includes multiple platforms, multiple legs, and multiple stepping mechanisms; the multiple platforms are arranged in a stacked manner, with adjacent platforms rotatably connected, and the rotation axes of each platform are parallel to each other; each leg is inserted into a platform, and the leg is movable relative to the platform, with the direction of movement of the leg relative to the platform being the same as the stacking direction of the multiple platforms; each stepping mechanism is connected to the end of the leg away from the platform, and the stepping mechanism is configured to drive the leg to move along a first direction or a second direction, the first direction and the second direction having a non-zero angle between them, and both being perpendicular to the stacking direction of the multiple platforms. This disclosure enables dynamic optimization of the transport distance of dump trucks through the movement of the rotary platform.

Description

Technical Field

[0001] This disclosure belongs to the field of platform-related technical technology, and in particular relates to a rotary platform. Background Technology

[0002] The large open-pit mine is located between the stripping bench and the spoil heap. Soil from the stripping bench can be transported to the spoil heap by dump trucks.

[0003] In related technologies, in order to reduce the transportation costs of soil transport vehicles and improve their transportation efficiency, workers usually build earthen bridges at large open-pit mines to connect the stripping steps and the spoil heap in a straight line, thereby shortening the transportation distance of soil transport vehicles.

[0004] However, as excavation progresses, the excavation points may shift, causing changes in the transportation route. The previously constructed earthen bridge may no longer be suitable for the changed transportation route. Summary of the Invention

[0005] This disclosure provides a rotating platform capable of multi-degree-of-freedom movement and multi-state adjustment, greatly adapting to the diverse morphologies of open-pit mines and meeting the requirements for rapid, flexible, and efficient advancement. The technical solution is as follows:

[0006] This disclosure provides a rotary platform comprising multiple platforms, multiple legs, and multiple stepping mechanisms. The multiple platforms are stacked sequentially, with adjacent platforms rotatably connected, and the rotation axes of each platform are parallel to each other. Each leg is inserted into a platform and is movable relative to the platform, with the direction of movement of the leg relative to the platform being the same as the stacking direction of the multiple platforms. Each stepping mechanism is connected to the end of a leg away from the platform, and the stepping mechanism is configured to drive the leg to move along a first direction or a second direction, wherein the first direction and the second direction have a non-zero included angle and are both perpendicular to the stacking direction of the multiple platforms.

[0007] In another implementation of this disclosure, the stepping mechanism includes a support base, a longitudinal translation component, and a translation component; the support base is connected to the pile leg; the moving end of the longitudinal translation component is movably connected to the translation component, the fixed end of the longitudinal translation component is arranged away from the support base, and the longitudinal translation component is capable of moving relative to the support base in the stacking direction of the plurality of platforms; the translation component is connected to the support base and the moving end of the longitudinal translation component respectively, so as to drive the longitudinal translation component to move relative to the support base in a first direction or a second direction.

[0008] In another implementation of this disclosure, the longitudinal translation component includes a longitudinal translation cylinder.

[0009] The longitudinal movement cylinder is located on the side of the support base away from the pile leg. The moving end of the longitudinal movement cylinder is movably connected to the translation component. The extension and retraction direction of the longitudinal movement cylinder is consistent with the stacking direction of the multiple platforms.

[0010] In another implementation of this disclosure, the translation component includes a first hydraulic cylinder, a second hydraulic cylinder, a first sliding member, and a second slider; the first sliding member is slidably connected to the support base, and the movement direction of the first sliding member relative to the support base is a first direction; the fixed end of the first hydraulic cylinder is connected to the support base, and the driving end of the first hydraulic cylinder is connected to the first sliding member; the second slider is slidably connected to the first sliding member, and the movement direction of the second slider relative to the first sliding member is a second direction; the fixed end of the second hydraulic cylinder is connected to the first sliding member, and the driving end of the second hydraulic cylinder is connected to the second slider.

[0011] In another implementation of this disclosure, the support base has a first groove on the side facing the longitudinal cylinder, the extension direction of the first groove is a first direction, the first sliding member includes a first limiting block and an intermediate plate, the first limiting block is located on the side of the intermediate plate facing the support base and is connected to the intermediate plate, and the first limiting block is movably located in the first groove.

[0012] In another implementation of this disclosure, the second slider has a second groove inside, and the extension direction of the second groove is a second direction; the first sliding member further includes a side connecting plate and a second limiting block, the side connecting plate is located on the side of the intermediate plate facing the second slider and is connected to the intermediate plate, the second limiting block is located between the side connecting plate and the intermediate plate and is connected to the side connecting plate, and the second limiting block is movably located in the second groove.

[0013] In another implementation of this disclosure, there are two second slides, which are arranged opposite to each other and located on both sides of the second slider. There are two side connecting plates and two second limiting blocks, which are arranged one-to-one with each other. The two side connecting plates are arranged opposite to each other, and the two second limiting blocks are located between the two side connecting plates. Each second limiting block is connected to the corresponding side connecting plate. The two second limiting blocks are arranged one-to-one with each of the two second slides, and the second limiting blocks are located in the corresponding second slides.

[0014] In another implementation of this disclosure, the first sliding member further includes a first lifting lug located on the side of the intermediate plate facing the first hydraulic cylinder, and the support seat has a second lifting lug on the side facing the first sliding member. The second lifting lug is spaced apart from the first lifting lug, and both ends of the first hydraulic cylinder are respectively hinged to the second lifting lug and the first lifting lug.

[0015] In another implementation of this disclosure, the first sliding member further includes a third lifting lug located on the side of the intermediate plate facing the longitudinal movement cylinder, the second slider has a fourth lifting lug located on the side of the second slider facing the third lifting lug, and the two ends of the second cylinder are respectively hinged to the third lifting lug and the fourth lifting lug.

[0016] In another implementation of this disclosure, the support base includes a column and a support plate. The column is perpendicularly connected to the support plate, and the column and the pile leg are respectively located on opposite sides of the support plate. An accommodating space is formed between the column and the support plate in the circumferential direction of the column. There are two sets of longitudinal and translational components, and the longitudinal and translational components correspond one-to-one. The longitudinal and translational components are respectively located symmetrically about the column within the accommodating space.

[0017] The beneficial effects of the technical solutions provided in this disclosure include at least the following:

[0018] When the rotary platform provided in this embodiment is used as an intermediate bridge in an open-pit coal mine, one end of the rotary platform can be built on the spoil heap step and the other end can be connected to the coal mining end step, and the entire rotary platform can serve as an intermediate bridge for vehicle passage.

[0019] Since the rotary platform comprises multiple platforms, and adjacent platforms are rotatably connected, when a large-scale adjustment is needed at both ends of the intermediate bridge (rotary platform) (e.g., changing from the original east-west direction to the north-south direction), the left part of the platform can be rotated relative to the middle part of the platform (clockwise or counterclockwise), and the right part of the platform can be rotated relative to the middle part of the platform (clockwise or counterclockwise). This allows both ends of the rotary platform to be moved from the original east-west direction to the north-south direction, thus facilitating the docking of the rotary platform on coal mining end steps and spoil heap steps at different locations.

[0020] When the two ends of the intermediate bridge (slewing platform) need to be translated as a whole (for example, the two ends of the intermediate bridge are in the east-west direction and are translated as a whole along the north-south direction, or the two ends of the intermediate bridge are in the north-south direction and are translated as a whole along the east-west direction), since the slewing platform includes multiple stepping mechanisms, the stepping mechanisms can be controlled to drive the corresponding connected pile legs to move, so that the platform can move along with the pile legs, thereby realizing the overall translation of the slewing platform.

[0021] Furthermore, since the legs are movably connected to the platform, the legs can be extended or retracted when the platform rotates or moves, so that the legs do not interfere with the platform's rotation or movement, and can support the platform after rotation or movement into place.

[0022] As can be seen, the above-mentioned rotary platform can move freely within the mine pit, realizing vertical and horizontal linear motion as well as horizontal rotation, completing multi-degree-of-freedom actions and multi-state adjustments, greatly adapting to the diverse forms of open-pit mines and the requirements of rapid, flexible, and efficient advancement. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the rotary platform provided in the embodiments of this disclosure;

[0025] Figure 2 for Figure 1 Enlarged view of point A;

[0026] Figure 3 for Figure 2 Enlarged view of point B;

[0027] Figure 4 for Figure 2 Top view of the center pile leg;

[0028] Figure 5 for Figure 1 Schematic diagram of the intermediate stepper mechanism;

[0029] Figure 6 for Figure 5 Side view;

[0030] Figure 7 for Figure 5 Top view;

[0031] Figure 8 for Figure 2Enlarged view of point C;

[0032] Figure 9 A top view of the rotary mechanism provided in an embodiment of this disclosure;

[0033] Figure 10 A top view of the rotary platform provided in an embodiment of this disclosure;

[0034] Figure 11 Rotation view of the rotary platform provided in the embodiments of this disclosure Figure 1 ;

[0035] Figure 12 Rotation view of the rotary platform provided in the embodiments of this disclosure Figure 2 .

[0036] The symbols in the diagram represent the following meanings:

[0037] 1. Platform; 100. Channel; 101. First Platform; 1011. Extension Platform; 1012. Overlapping Platform; 102. Second Platform; 103. Third Platform; 104. Wear-resistant Block;

[0038] 11. Platform body; 12. Lifting mechanism; 121. Lifting rack; 122. Lifting gear; 123. Lifting motor; 124. Cylinder;

[0039] 2. Piles;

[0040] 3. Stepping mechanism; 31. Support base; 310. Accommodating space; 311. First slide groove; 313. Second lifting lug; 315. Column; 316. Support plate; 32. Longitudinal movement assembly; 322. Longitudinal movement cylinder; 323. Support foot; 33. Translation assembly; 331. First cylinder; 332. Second cylinder; 333. First sliding component; 3331. First limiting block; 3332. Intermediate plate; 3333. Side connecting plate; 3334. Second limiting block; 3335. First lifting lug; 3336. Third lifting lug; 334. Second slider; 3341. Second slide groove; 3342. Fourth lifting lug;

[0041] 4. Slewing mechanism; 41. Slewing bearing; 411. Inner ring; 412. Outer ring; 43. Slewing drive assembly; 431. Slewing motor; 432. Slewing brake; 433. Slewing reducer; 434. Slewing output gear. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0043] This disclosure provides a rotary platform, which includes multiple platforms 1, multiple legs 2, and multiple stepping mechanisms 3. The multiple platforms 1 are arranged in a stacked manner, with adjacent platforms 1 rotatably connected, and the rotation axes of each platform 1 are parallel to each other.

[0044] Each leg 2 is inserted into platform 1. The leg 2 can move relative to platform 1, and the direction of movement of the leg 2 relative to platform 1 is the same as the stacking direction of the multiple platforms 1. Each stepping mechanism 3 is connected to the end of the leg 2 away from platform 1. The stepping mechanism 3 is configured to drive the leg 2 to move along a first direction or a second direction. The first direction and the second direction have a non-zero included angle and are both perpendicular to the stacking direction of the multiple platforms 1.

[0045] When the rotary platform provided in this embodiment is used as an intermediate bridge in an open-pit coal mine, one end of the rotary platform ( Figure 1 The left end of the structure is built on the steps of the spoil heap, and the other end ( Figure 1 The right end of the rotating platform is connected to the coal mining end step, and the entire rotating platform serves as a middle bridge for vehicle passage.

[0046] Since the rotary platform consists of multiple platforms 1, and adjacent platforms 1 are rotatably connected, when a large-scale adjustment is needed at both ends of the intermediate bridge (rotary platform) (for example, changing from the original east-west direction to the north-south direction), the rotation of a portion of platform 1 on the left relative to a portion of platform 1 in the middle can be controlled (clockwise or counterclockwise), and the rotation of a portion of platform 1 on the right relative to a portion of platform 1 in the middle can be controlled (clockwise or counterclockwise). In this way, both ends of the rotary platform can be moved from the original east-west direction to the north-south direction, which makes it convenient for the rotary platform to be attached to the coal mining end steps and spoil heap steps at different locations.

[0047] When the two ends of the intermediate bridge (slewing platform) need to be translated as a whole (for example, the two ends of the intermediate bridge are in the east-west direction and are translated as a whole along the north-south direction, or the two ends of the intermediate bridge are in the north-south direction and are translated as a whole along the east-west direction), since the slewing platform includes multiple stepping mechanisms 3, the stepping mechanisms 3 can be controlled to drive the corresponding connected pile legs 2 to move, so that the platform 1 can move along with the pile legs 2, thereby realizing the overall translation of the slewing platform.

[0048] Furthermore, since the pile leg 2 is movably connected to the platform 1, the pile leg 2 can be extended or retracted when the platform 1 rotates or moves, so that the pile leg 2 will not interfere with the rotation or movement of the platform 1, and can support the platform 1 after rotating or moving into place.

[0049] As can be seen, the above-mentioned rotary platform can move freely within the mine pit, realizing vertical and horizontal linear motion as well as horizontal rotation, completing multi-degree-of-freedom actions and multi-state adjustments, greatly adapting to the diverse forms of open-pit mines and the requirements of rapid, flexible, and efficient advancement.

[0050] Figure 2 for Figure 1 Enlarged view of point A, combined with Figure 2 In this embodiment, platform 1 includes platform body 11 and lifting mechanism 12. The legs 2 are movably connected to the corresponding platform body 11 of platform 1. The lifting mechanism 12 is arranged one-to-one with each leg 2. The lifting mechanism 12 includes a lifting rack 121, a lifting gear 122, a lifting motor 123, and a cylinder 124. The lifting rack 121 is connected to the outer wall of the corresponding leg 2, and the extending direction of the lifting rack 121 is the same as the axial direction of the leg 2. The lifting gear 122 meshes with the lifting rack 121, and the lifting gear 122 is drive-connected to the lifting motor 123. The lifting motor 123 is located inside the cylinder 124 and connected to the inner wall of the cylinder 124. The cylinder 124 is connected to the corresponding platform body 11 of platform 1.

[0051] In the above implementation, platform 1 is configured as platform body 11 and lifting mechanism 12. By controlling the forward and reverse rotation of lifting motor 123, the lifting gear 122 is driven to rotate in both directions. This, in turn, allows the lifting gear 122 to mesh with lifting rack 121, enabling the rack 121 to move up and down. As the rack 121 moves up and down, it carries the legs 2 along with it, moving them relative to the platform body 11, ultimately achieving the movement of the legs 2 relative to the platform body 11.

[0052] Of course, it is understood that the lifting mechanism 12 can also be other driving structures, such as worm gear structure, or pin-driven lifting device, etc., as long as the lifting mechanism 12 can drive the pile leg 2 to rise or fall. This disclosure embodiment does not impose any restrictions on this.

[0053] Figure 3 for Figure 2 Enlarged view of point B, combined with Figure 3 In this embodiment, in order to improve the driving capability of the lifting mechanism 12, there can be multiple lifting gears 122 and lifting motors 123 in each lifting mechanism 12. Multiple lifting gears 122 are arranged to extend along the length direction of the lifting rack 121, and multiple lifting motors 123 are arranged in one-to-one correspondence with multiple lifting gears 122, and the lifting motors 123 are connected to the corresponding lifting gears 122 in a transmission connection.

[0054] Figure 4 for Figure 2 Top view of the center pile leg, combined with Figure 4For example, similarly, in order to improve the driving capability of the lifting mechanism 12, two lifting mechanisms 12 can be arranged on one leg 2, and the two lifting mechanisms 12 are arranged symmetrically on both sides of the leg 2 with the axis of the leg 2 as the axis.

[0055] Figure 5 for Figure 1 A schematic diagram of the structure of the stepper mechanism, combined with Figure 5 Optionally, the stepping mechanism 3 includes a support base 31, a longitudinal translation component 32, and a translation component 33. The support base 31 is connected to the pile leg 2. The moving end of the longitudinal translation component 32 is movably connected to the translation component 33, and the fixed end of the longitudinal translation component 32 is arranged away from the support base 31. The longitudinal translation component 32 can move relative to the support base 31 in the stacking direction of the multiple platforms 1. The translation component 33 is connected to both the support base 31 and the moving end of the longitudinal translation component 32 to drive the longitudinal translation component 32 to move relative to the support base 31 in a first direction or a second direction.

[0056] In the above implementation, the support base 31 provides an installation foundation for the longitudinal translation component 32 and the translation component 33, and is connected to the pile leg 2, so that the support base 31 can move along a first direction or a second direction with the pile leg 2. The translation component 33 drives the support base 31 to move relative to the ground along the first direction or the second direction. The longitudinal translation component 32 ensures that the support base 31 is always in contact with the ground, thereby assisting in supporting the support base 31.

[0057] Optionally, the longitudinal movement assembly 32 includes a longitudinal movement cylinder 322, which is located on the side of the support base 31 away from the pile leg 2. The moving end of the longitudinal movement cylinder 322 is movably connected to the translation assembly 33, and the extension and retraction direction of the longitudinal movement cylinder 322 is consistent with the stacking direction of the multiple platforms 1.

[0058] In the above implementation, setting the longitudinal movement component 32 to the above structure allows the longitudinal movement component 32 to automatically extend and retract, thereby facilitating that the support base 31 can still contact the ground at different positions.

[0059] See also Figure 5 Optionally, the longitudinal movement assembly 32 also includes a disc-shaped support foot 323, which is connected to the fixed end of the longitudinal movement cylinder 322.

[0060] In the above implementation, by setting support feet 323, the contact area between the longitudinal moving component 32 and the ground can be increased, thereby enabling the longitudinal moving component 32 to stand stably on the ground.

[0061] Optionally, the translation component 33 includes a first hydraulic cylinder 331, a second hydraulic cylinder 332, a first sliding member 333, and a second slider 334. The fixed end of the first hydraulic cylinder 331 is connected to the support base 31, and the driving end of the first hydraulic cylinder 331 is connected to the first sliding member 333. The first sliding member 333 is slidably connected to the support base 31, and the direction of movement of the first sliding member 333 relative to the support base 31 is a first direction. The fixed end of the second hydraulic cylinder 332 is connected to the first sliding member 333, and the driving end of the second hydraulic cylinder 332 is connected to the second slider 334. The second slider 334 is slidably connected to the first sliding member 333, and the direction of movement of the second slider 334 relative to the first sliding member 333 is a second direction.

[0062] In the above implementation, the translation component 33 is configured with the above structure, and the support base 31 and the first sliding member 333 can move along the first direction by the extension and retraction of the first hydraulic cylinder 331. Since the first sliding member 333 is connected to the longitudinal translation component 32 through the second slider 334, the support base 31 will move relative to the ground along the first direction when the first hydraulic cylinder 331 extends and retracts.

[0063] Similarly, in the above structure, the support base 31 and the longitudinal movement component 32 can be moved along the second direction by the extension and retraction of the second hydraulic cylinder 332. Since the two ends of the second hydraulic cylinder 332 are respectively connected to the second slider 334 and the first sliding member 333, when the second hydraulic cylinder 332 extends and retracts, the second hydraulic cylinder 332 will push and pull the second slider 334 to move relative to the first sliding member 333, thereby causing the support base 31 to move along the second direction under the drive of the first sliding member 333.

[0064] Figure 6 for Figure 5 The side view, combined with Figure 6 Optionally, the support base 31 has a first groove 311 on the side facing the longitudinal displacement cylinder 322, and the extension direction of the first groove 311 is a first direction. The first sliding member 333 includes a first limiting block 3331 and an intermediate plate 3332. The first limiting block 3331 is located on the side of the intermediate plate 3332 facing the support base 31 and is connected to the intermediate plate 3332. The first limiting block 3331 is movably located in the first groove 311.

[0065] In the above implementation, the cooperation between the first limiting block 3331 and the first sliding groove 311 enables the first sliding member 333 to move only in the first direction relative to the support base 31.

[0066] For example, the first slide groove 311 is a T-shaped groove, and the corresponding first sliding member 333 is a T-shaped block. In this way, the first sliding member 333 with the T-shaped structure can be fitted into the T-shaped groove, so that the first sliding member 333 can only move along the first slide groove 311.

[0067] Optionally, the second slider 334 has a second groove 3341 inside, and the extension direction of the second groove 3341 is a second direction. The first sliding member 333 also includes a side connecting plate 3333 and a second limiting block 3334. The side connecting plate 3333 is located on the side of the intermediate plate 3332 facing the second slider 334 and is connected to the intermediate plate 3332. The second limiting block 3334 is located between the side connecting plate 3333 and the intermediate plate 3332 and is connected to the side connecting plate 3333. The second limiting block 3334 is movably located in the second groove 3341.

[0068] In the above implementation, the second limiting block 3334 cooperates with the second sliding groove 3341, which enables the first sliding member 333 to move only in the second direction relative to the second slider 334.

[0069] Optionally, there are two second slide grooves 3341, which are arranged opposite to each other and located on both sides of the second slider 334. There are also two side connecting plates 3333 and two limiting blocks 3334, which are arranged one-to-one with each other. The two side connecting plates 3333 are arranged opposite to each other, and the two limiting blocks 3334 are located between the two side connecting plates 3333. Each limiting block 3334 is connected to the corresponding side connecting plate 3333. The two limiting blocks 3334 are arranged one-to-one with the two second slide grooves 3341, and the second limiting blocks 3334 are located within the corresponding second slide grooves 3341.

[0070] In the above implementation, the above settings can improve the movement efficiency of the second slider 334 relative to the first sliding member 333, ensuring that the second slider 334 can only move relative to the first sliding member 333 in the second direction.

[0071] Similarly, the second slide groove 3341 is a T-shaped groove, and the corresponding second slider 334 is a T-shaped block. In this way, the second slider 334 with the T-shaped structure can be fitted into the T-shaped second slide groove 3341, so that the second slider 334 can only move along the second slide groove 3341.

[0072] The first sliding member 333 also includes a first lifting lug 3335, which is located on the side of the intermediate plate 3332 facing the first oil cylinder 331. The support base 31 has a second lifting lug 313 on the side facing the first sliding member 333. The second lifting lug 313 and the first lifting lug 3335 are arranged at intervals. The two ends of the first oil cylinder 331 are respectively hinged to the second lifting lug 313 and the first lifting lug 3335.

[0073] In the above implementation, the first hydraulic cylinder 331 can be easily hinged to the support base 31 and the first sliding member 333 by means of the first lifting lug 3335 and the second lifting lug 313.

[0074] Optionally, the first sliding member 333 further includes a third lifting lug 3336, which is located on the side of the intermediate plate 3332 facing the longitudinal movement cylinder 322. The second slider 334 has a fourth lifting lug 3342, which is located on the side of the second slider 334 facing the third lifting lug 3336. The two ends of the second cylinder 332 are respectively hinged to the third lifting lug 3336 and the fourth lifting lug 3342.

[0075] In the above implementation, the second hydraulic cylinder 332 can be easily hinged to the second slider 334 and the first sliding member 333 by means of the third lifting lug 3336 and the fourth lifting lug 3342.

[0076] The support base 31 includes a column 315 and a support plate 316. The column 315 is vertically connected to the support plate 316, and the column 315 and the pile leg 2 are respectively located on opposite sides of the support plate 316. A receiving space 310 is formed between the column 315 and the support plate 316 in the circumference of the column 315.

[0077] Optionally, there are two sets of longitudinal moving components 32 and two sets of translational components 33, and the longitudinal moving components 32 and translational components 33 correspond one to one. The longitudinal moving components 32 and translational components 33 are located symmetrically about the column 315 within the accommodating space 310.

[0078] In the above implementation, the above settings can facilitate the arrangement of translation component 33 and longitudinal component 32 on the support base 31. In addition, they can also increase the driving efficiency of translation component 33 and longitudinal component 32, so that the pile leg 2 can quickly move the platform 1.

[0079] See you again Figure 5 Optionally, the pile leg 2 is arranged coaxially with the column 315, and the pile leg 2 is hinged to the column 315. The axis of the hinge axis between the pile leg 2 and the column 315 is perpendicular to the axis of the pile leg 2.

[0080] In the above implementation, the pile leg 2 is hinged to the support seat 31, which allows the pile leg 2 to swing relative to the support seat 31, thereby improving the flexibility between the pile leg 2 and the support seat 31.

[0081] Figure 7 for Figure 5 Top view, combined Figure 7 In this embodiment, the extension and retraction direction of the first hydraulic cylinder 331 is perpendicular to the extension and retraction direction of the second hydraulic cylinder 332. This allows the support base 31 to be easily moved to any position on the ground.

[0082] The first direction mentioned above is Figure 1 The first direction is the left-right direction (east-west direction of the middle bridge), and the second direction is the direction perpendicular to the first direction (north-south direction of the middle bridge).

[0083] Figure 8 for Figure 2 Enlarged view at point C, combined with Figure 8 Optionally, the rotary platform includes multiple rotary mechanisms 4, each rotary mechanism 4 being connected to two adjacent platforms 1 respectively, so that the two adjacent platforms 1 are rotatably connected. Each rotary mechanism 4 includes a rotary bearing 41 and a rotary drive assembly 43. The inner ring 411 of the rotary bearing 41 is connected to the bottom of one of the two adjacent platforms 1, and the outer ring 412 of the rotary bearing 41 is connected to the bottom of the other of the two adjacent platforms 1. The outer ring 412 of the rotary bearing 41 is a gear ring. The rotary drive assembly 43 is connected to the bottom of one of the two adjacent platforms 1, and the output gear of the rotary drive assembly 43 meshes with the outer ring 412 of the rotary bearing 41.

[0084] In the above implementation, by fixing the inner ring 411 and outer ring 412 of the slewing bearing 41 in the slewing mechanism 4 to two adjacent platforms 1 respectively, the rotational connection between the two adjacent platforms 1 can be achieved. The slewing drive assembly 43 is used to drive the outer ring 412 of the slewing bearing 41 to rotate relative to the inner ring 411.

[0085] See also Figure 8 The rotary drive assembly 43 includes a rotary motor 431, a rotary brake 432, a rotary reducer 433, and a rotary output gear 434. The output end of the rotary motor 431 is drive-connected to the rotary reducer 433, and the output end of the rotary reducer 433 is fixedly connected to the rotary output gear 434. The rotary brake 432 and the rotary reducer 433 are located on opposite sides of the rotary motor 431, and the rotary brake 432 is drive-connected to the rotary motor 431. This allows for simple rotation and braking of the rotary output gear 434.

[0086] Figure 9 This is a top view of the rotary mechanism provided in the embodiments of this disclosure, combined with... Figure 9 Optionally, for each slewing mechanism 4, there can be multiple slewing drive assemblies 43, which are arranged at circumferential intervals along the outer ring 412 of the slewing bearing 41.

[0087] In the above implementation, the rotational efficiency between the inner and outer rings of the slewing bearing 41 can be increased by arranging multiple slewing drive components 43.

[0088] See you again Figure 1In this embodiment, there are three platforms 1, including a first platform 101, a second platform 102, and a third platform 103. The first platform 101 is partially located on the top surface of the second platform 102, and the second platform 102 is located on the top surface of the third platform 103. The first platform 101 and the second platform 102 respectively protrude from opposite sides of the third platform 103. The first platform 101 and the second platform 102 are rotatably connected, and the second platform 102 and the third platform 103 are rotatably connected. The top surfaces of the first platform 101 and the second platform 102 together form a channel 100. The pile legs 2 are connected to the first platform 101, the second platform 102, and the third platform 103 respectively, and the stepping mechanism 3 is connected to the pile legs connecting the first platform 101 and the second platform respectively.

[0089] In the above implementation, three platforms 1 are set up. By controlling the rotation of the first platform 101 and the second platform 102 relative to the third platform 103, the entire rotary platform can be made to rotate freely.

[0090] Combination Figure 2 Optionally, the first platform 101 includes an extension platform 1011 and an overlapping platform 1012. The bottom surface of the overlapping platform 1012 is connected to the top surface of the extension platform 1011, and the bottom surface of the overlapping platform 1012 is rotatably connected to the second platform 102. The overlapping platform 1012 has a first ramp and a second ramp on both sides. The first ramp is located between the top surface of the overlapping platform 1012 and the top surface of the extension platform 1011, and the second ramp is located between the top surface of the overlapping platform 1012 and the top surface of the second platform 102. The extension platform 1011 and the second platform 102 protrude from opposite sides of the third platform 103, and the bottom surface of the extension platform 1011 slides in contact with the top surface of the third platform 103.

[0091] In the above implementation, the connecting platform 1012 is used to connect the top surface of the extension platform 1011 with the top surface of the second platform 102 to form a channel 100.

[0092] Optionally, a plurality of wear-resistant blocks 104 are provided around the top surface of the third platform 103. The plurality of wear-resistant blocks 104 are arranged at intervals around the top surface of the third platform 103, and the plurality of wear-resistant blocks 104 slide in contact with the bottom surface of the extension platform 1011 and the bottom surface of the second platform 102, respectively.

[0093] In the above implementation, the wear-resistant block 104 is used to reduce the friction between the first platform 101 and the third platform 103, and between the second platform 102 and the third platform 103.

[0094] For example, the wear-resistant block 104 is a high-molecular wear-resistant material or wear-resistant steel, such as polyethylene resin or polytetrafluoroethylene with a molecular weight of more than 3.5 million, or high manganese steel, chromium-molybdenum-silicon-manganese steel, etc., which can improve the strength of the wear-resistant block 104 and reduce wear.

[0095] In addition, in this embodiment, in order to reduce the overall weight of the slewing platform, the first platform 101 is connected to two pile legs 2, the second platform 102 is connected to two pile legs, and the third platform 103 is connected to four pile legs.

[0096] Furthermore, in order to facilitate the arrangement of the lifting mechanism 12, the corresponding lifting mechanism 12 in the first platform 101 and the second platform 102 is located on the top surface of the first platform 101 and the second platform 102, and the corresponding lifting mechanism 12 in the third platform 103 is located on the bottom surface of the third platform 103.

[0097] The four legs 2 corresponding to the third platform 103 will not pass through the top surface of the third platform 103. This ensures that the first platform 101 and the second platform 102 do not interfere with each other when rotating, greatly improving the flexibility of the entire rotary platform.

[0098] The height of the cylinder 124 corresponding to the third platform 103 can be appropriately increased, which can improve the stability of the horizontal support of the pile leg 2. In addition, a lifting gap is left between the top of the pile leg 2 corresponding to the third platform 103 and the bottom of the third platform 103 to ensure that the pile leg 2 can be separated from the ground through the lifting mechanism 12.

[0099] Figure 10 This is a top view of the rotary platform provided in the embodiments of this disclosure, combined with... Figure 10 Lane 100 is a two-lane road, which allows loaded and empty vehicles to travel simultaneously in different directions without having to give way to each other.

[0100] The following is in conjunction with the appendix Figure 11-12 Here is a brief introduction to the operation of the rotary platform provided in this embodiment:

[0101] When the dump truck passes through, the left end of the second platform 102 of the rotary platform is built on the dump bed steps, and the right end of the first platform 101 is attached to the coal mining end steps.

[0102] When the rotating platform needs to move horizontally in the north-south direction, the legs 2 connected to the third platform 103 and the legs 2 connected to the first platform 101 remain stationary. The lifting mechanism 12 corresponding to the second platform 102 activates, driving the legs 2 connected to the second platform 102 to move upwards until they are off the ground. Then, the longitudinal movement cylinder 322 in the stepping mechanism 3 corresponding to the legs 2 connected to the second platform 102 shortens its stroke, reserving space for the piston rod's stroke. Next, the legs 2 connected to the second platform 102 move downwards to the ground again. At this time, the legs 2 connected to the second platform 102 and the legs 2 connected to the third platform 103 support the ground. Then, the legs 2 connected to the first platform 101 are driven off the ground by the corresponding lifting mechanism 12. The longitudinal movement cylinder 322 in the stepping mechanism 3 corresponding to the legs 2 connected to the first platform 101 shortens its stroke, reserving space for the piston rod's stroke. Then, the legs 2 connected to the first platform 101 move downwards to the ground again. Then, the pile legs 2 connected to the second platform 102 and the pile legs 2 connected to the first platform 101 support the ground, and the pile legs 2 connected to the third platform 103 are lifted off the ground. Through the joint action of the stepping mechanisms 3 corresponding to the pile legs 2 connected to the second platform 102 and the first platform 101, the entire rotary platform is translated as a whole.

[0103] When the rotating platform needs to be moved horizontally in the east-west direction, the process is similar to the above and will not be repeated here.

[0104] Combination Figure 11-12 When a large-scale adjustment of the rotating platform is required, it is difficult to achieve this using only the stepping mechanism 3, because the soil removal steps and coal stripping steps at both ends in the north-south direction are not regular straight lines, but rather curved lines. Therefore, direct overall translation is insufficient for long-distance movement. Under this condition, the following steps should be followed:

[0105] The legs 2 connected to the first platform 101 and the legs 2 connected to the third platform 103 support the ground. Then, the legs 2 connected to the second platform 102 are raised to a certain height above the ground via the corresponding lifting mechanism 12. The rotation drive component 43 of the rotation mechanism 4 connected to the first platform 101 and the second platform 102 drives the corresponding slewing bearing 41 to rotate clockwise. At the same time, the rotation drive component 43 of the rotation mechanism 4 connected to the second platform 102 and the third platform 103 drives the corresponding slewing bearing 41 to rotate counterclockwise, realizing a large-angle clockwise rotation of the second platform 102. After the second platform 102 has rotated to its position, the lifting mechanism 12 of the second platform 102 is activated, driving the legs 2 connected to the second platform 102 to move down to the ground, where they, together with the legs 2 of the third platform 103, support the rotating platform. Next, the pile legs 2 connected to the first platform 101 are driven upwards to detach from the ground by the corresponding lifting mechanism 12. The rotation drive component 43 of the rotation mechanism 4 connected to the first platform 101 and the second platform 102 drives the corresponding slewing bearing 41 to rotate counterclockwise. At the same time, the rotation drive component 43 of the rotation mechanism 4 connected to the second platform 102 and the third platform 103 drives the corresponding slewing bearing 41 to rotate clockwise, realizing a large-angle clockwise rotation of the first platform 101. The support step of its pile legs is also the same as that of the third platform 103. After the first platform 101 has rotated to its position, the lifting mechanism 12 of the first platform 101 is activated, driving the pile legs 2 connected to the first platform 101 to move down to the ground, and together with the pile legs 2 of the third platform 103, they support the rotation platform.

[0106] The above operations allow the slewing platform to rotate 90 degrees. Through the coordinated movement of the three platforms, the stepping mechanisms 3 corresponding to the pile legs 2 connected to the first platform 101 and the second platform 102 alternately step, completing the overall large-distance north-south movement of the slewing platform. After moving to the designated position, the three platforms rotate through the slewing mechanism 4, returning to their east-west series arrangement (the specific actions are similar to the previous actions and will not be detailed further), forming a new intermediate bridge that allows dump trucks to pass normally.

[0107] The above description is merely an optional embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A rotary platform, characterized in that, The rotary platform includes multiple platforms (1), multiple legs (2), and multiple stepping mechanisms (3); Multiple platforms (1) are stacked sequentially, and two adjacent platforms (1) are rotatably connected, and the rotation axes of each platform (1) are parallel to each other; Each of the pile legs (2) is inserted into the platform (1), and the pile legs (2) are movable relative to the platform (1), and the direction of movement of the pile legs (2) relative to the platform (1) is the same as the stacking direction of the multiple platforms (1); Each stepping mechanism (3) includes a support base (31), a longitudinal translation component (32), and a translation component (33). The support base (31) is connected to the leg (2). The moving end of the longitudinal translation component (32) is movably connected to the translation component (33). The fixed end of the longitudinal translation component (32) is arranged away from the support base (31). The longitudinal translation component (32) is capable of moving relative to the support base (31) in the stacking direction of the plurality of platforms (1). The translation component (33) is connected to the support base (31) and the moving end of the longitudinal translation component (32) respectively to drive the longitudinal translation component (32) to move relative to the support base (31) in a first direction or a second direction. The stepping mechanism (3) is configured to drive the leg (2) to move along the first direction or the second direction. The first direction and the second direction have a non-zero included angle and are both perpendicular to the stacking direction of the plurality of platforms (1).

2. The rotary platform according to claim 1, characterized in that, The longitudinal movement assembly (32) includes a longitudinal movement cylinder (322). The longitudinal movement cylinder (322) is located on the side of the support base (31) away from the pile leg (2). The moving end of the longitudinal movement cylinder (322) is movably connected to the translation component (33). The extension and retraction direction of the longitudinal movement cylinder (322) is consistent with the stacking direction of the multiple platforms (1).

3. The rotary platform according to claim 2, characterized in that, The translation component (33) includes a first hydraulic cylinder (331), a second hydraulic cylinder (332), a first sliding member (333), and a second slider (334); The first sliding member (333) is slidably connected to the support base (31), and the moving direction of the first sliding member (333) relative to the support base (31) is a first direction; The fixed end of the first hydraulic cylinder (331) is connected to the support base (31), and the driving end of the first hydraulic cylinder (331) is connected to the first sliding member (333). The second slider (334) is slidably connected to the first sliding member (333), and the movement direction of the second slider (334) relative to the first sliding member (333) is the second direction; The fixed end of the second cylinder (332) is connected to the first sliding member (333), and the driving end of the second cylinder (332) is connected to the second slider (334).

4. The rotary platform according to claim 3, characterized in that, The support base (31) has a first groove (311) on the side facing the longitudinal movement cylinder (322), and the extension direction of the first groove (311) is a first direction. The first sliding member (333) includes a first limiting block (3331) and an intermediate plate (3332). The first limiting block (3331) is located on the side of the intermediate plate (3332) facing the support base (31) and is connected to the intermediate plate (3332). The first limiting block (3331) is movably located in the first sliding groove (311).

5. The rotary platform according to claim 4, characterized in that, The second slider (334) has a second groove (3341) inside, and the extension direction of the second groove (3341) is a second direction; The first sliding member (333) further includes a side connecting plate (3333) and a second limiting block (3334). The side connecting plate (3333) is located on the side of the middle plate (3332) facing the second slider (334) and is connected to the middle plate (3332). The second limiting block (3334) is located between the side connecting plate (3333) and the middle plate (3332) and is connected to the side connecting plate (3333). The second limiting block (3334) is movably located in the second slide groove (3341).

6. The rotary platform according to claim 5, characterized in that, There are two second slide grooves (3341), which are arranged opposite to each other and are located on both sides of the second slider (334). There are two side connecting plates (3333) and two second limiting blocks (3334). The two side connecting plates (3333) and the two second limiting blocks (3334) are arranged in a one-to-one correspondence. The two side connecting plates (3333) are arranged opposite to each other. The two second limiting blocks (3334) are respectively located between the two side connecting plates (3333), and each second limiting block (3334) is connected to the corresponding side connecting plate (3333). The two second limiting blocks (3334) and the two second sliding grooves (3341) are arranged in a one-to-one correspondence. The second limiting blocks (3334) are located in the corresponding second sliding grooves (3341).

7. The rotary platform according to claim 4, characterized in that, The first sliding member (333) further includes a first lifting lug (3335), which is located on the side of the intermediate plate (3332) facing the first hydraulic cylinder (331). The support base (31) has a second lifting lug (313) on the side facing the first sliding member (333). The second lifting lug (313) is arranged at a distance from the first lifting lug (3335), and the two ends of the first hydraulic cylinder (331) are respectively hinged to the second lifting lug (313) and the first lifting lug (3335).

8. The rotary platform according to claim 6, characterized in that, The first sliding member (333) further includes a third lifting lug (3336), which is located on the side of the intermediate plate (3332) facing the longitudinal movement cylinder (322). The second slider (334) has a fourth lug (3342) located on the side of the second slider (334) facing the third lug (3336), and the two ends of the second cylinder (332) are respectively hinged to the third lug (3336) and the fourth lug (3342).

9. The rotary platform according to claim 1, characterized in that, The support base (31) includes a column (315) and a support plate (316). The column (315) is perpendicularly connected to the support plate (316), and the column (315) and the pile leg (2) are respectively located on opposite surfaces of the support plate (316). A accommodating space (310) is formed between the column (315) and the support plate (316) in the circumferential direction of the column (315); The longitudinal moving component (32) and the translation component (33) are both in two sets, and the longitudinal moving component (32) and the translation component (33) correspond one to one. The longitudinal moving component (32) and the translation component (33) are respectively located in the accommodating space (310) with the column (315) as the axis of symmetry.

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