Lifting equipment and lifting method for indoor stadium

Abstract

The invention provides lifting equipment and a lifting method for an indoor stadium, and belongs to the technical field of lifting equipment.The lifting equipment is characterized in that a supporting plate is fixedly arranged above a riding track, and a lifting opening is formed in the riding track; the lifting equipment comprises a hanging basket and a hoisting mechanism; the hanging basket is in sliding fit with the lifting opening. The outer circumferential wall of the hanging basket makes contact with the inner circumferential wall of the lifting opening. The hanging basket is provided with a first position capable of descending to the ground and a second position capable of ascending to a riding track; the hoisting mechanism is connected to the top of the supporting plate; four sets of steel wire ropes of the hoisting mechanism are connected to the bottom of the hanging basket and connected with the four corners of the hanging basket respectively so as to drive the hanging basket to ascend and descend. Four groups of steel wire ropes lift synchronously; wherein the hanging basket is provided with a supporting sleeve, the top of the riding track is provided with a limiting structure, and the hanging basket is provided with a limiting groove; through the arrangement, a constructor can ascend to the position of a riding track through the hanging basket, and then the lamp can be replaced conveniently.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lifting equipment, and particularly relates to a lifting equipment and a lifting method for an indoor sports stadium. BACKGROUND

[0002] The indoor sports stadium has a high height, a horse path is arranged at a position close to the top of the side of the indoor sports stadium, an inclined surface is arranged on one side of the horse path, and a lamp is installed on the inclined surface to achieve the effect of lighting; the distance between the horse path and the top is between 2 meters and 3 meters, and the distance between the bottom of the horse path and the ground is between 6 meters and 7 meters.

[0003] Since the lamp is installed at a high position, after the lamp is damaged, a lifting equipment needs to be used to lift a maintenance worker to a height at which the lamp can be replaced. The existing lifting equipment is usually a wheeled lifting machine, the wheeled lifting machine is moved to the lower side of the lamp, then the maintenance worker enters the fence of the wheeled lifting machine, and the maintenance worker is lifted to the height at which the lamp can be replaced along with the fence.

[0004] After the indoor sports stadium is constructed, a rubber layer is laid on the ground of the indoor sports stadium; if the wheeled lifting equipment moves on the rubber layer, the rubber layer will be damaged; therefore, although the wheeled lifting equipment can be used to replace the lamp, the problem of damaging the ground will occur, so the wheeled lifting equipment cannot be used in the above environment; if a ladder is used to enable the maintenance worker to climb to the maintenance position, since the lamp is installed at a high position, there will be a great safety hazard. SUMMARY

[0005] The embodiment of the application provides a lifting equipment for an indoor sports stadium, and aims to solve the problem that the height of a maintenance worker is lifted by a wheeled lifting machine in the prior art, the wheeled lifting machine damages the ground, and the problem that the safety hazard of a maintenance worker who climbs by using a ladder is great.

[0006] To achieve the above object, the technical scheme adopted by the application is as follows: The application provides a lifting equipment for an indoor sports stadium, a support plate is fixedly arranged at a position above a horse path, and the horse path has a lifting opening; the lifting equipment comprises: a hanging basket which is in sliding cooperation with the lifting opening in the height direction, an outer peripheral wall of the hanging basket is in contact with an inner peripheral wall of the lifting opening; the hanging basket has a first position at which the hanging basket can be lowered to the ground, and a second position at which the hanging basket can be raised to the horse path; when the hanging basket is at the second position, the bottom of the hanging basket is flush with the bottom of the horse path; A hoisting mechanism is connected to the top of the support plate; the steel wire rope of the hoisting mechanism is connected to the bottom position of the hanging basket, and the steel wire rope is four groups, and the four groups of steel wire ropes are respectively connected to the four corner positions of the hanging basket to drive the hanging basket to ascend and descend; wherein the hanging basket is provided with a support sleeve sleeved with the steel wire rope, the top of the horse path is provided with a limiting structure, and the hanging basket is provided with a limiting groove matched with the limiting structure to ensure the stability of the hanging basket in the second position.

[0007] In a possible implementation, the horse path is provided with a positioning groove at the bottom position of the lifting opening, and the outer circumferential portion of the bottom of the hanging basket is fixedly provided with an outer extension component matched with the positioning groove, and the thickness of the outer extension component is the same as the thickness of the positioning groove. Wherein, when the hanging basket rises to the second position, the outer extension component is located in the positioning groove, and the bottom of the hanging basket is coplanar with the bottom of the horse path.

[0008] In a possible implementation, the side portion of the hanging basket is a fence, and the top of the fence is provided with a guide inclined surface to enable the top of the hanging basket to be inserted into the lifting opening. Wherein, one side of the hanging basket is an entrance, and the hanging basket is hingedly provided with a door plate at the position of the entrance, and the other side of the door plate is detachably connected with the fence.

[0009] In a possible implementation, the bottom of the hanging basket is provided with a threaded sleeve, the bottom of the hanging basket is provided with an eye ring in the area surrounded by the threaded sleeve, and the steel wire rope is fixed on the eye ring. Wherein, the support sleeve is matched with the eye ring, and the outer circumferential wall of the support sleeve is provided with an external thread matched with the threaded sleeve.

[0010] In a possible implementation, the side wall of the bottom of the hanging basket is provided with a groove, the bottom end of the door plate hinged shaft is located in the groove, a limiting plate is rotationally arranged in the groove, the limiting plate is fixedly connected with the hinged shaft of the door plate, and the side wall of the lifting opening is provided with an avoiding groove matched with the limiting plate. Wherein, when the hanging basket is in the second position, the limiting plate can rotate with the door plate to enable the limiting plate to be screwed into the avoiding groove.

[0011] In a possible implementation, the limiting structure comprises: A shell is fixed at the position of the horse path in the lifting opening; the shell is located at the periphery of the lifting opening, and the shell is provided with an opening towards the position of the lifting opening; A limiting disc is rotationally arranged in the shell; the limiting disc has a first state matched with the limiting groove, and has a second state separated from the limiting groove; A servo motor is fixed on the shell, and an output shaft of the servo motor penetrates the shell and is connected with the limiting disc.

[0012] In a possible implementation, when the basket is in the second position, the upper surface of the bottom of the basket is in the same plane as the top of the horse path; a side plate is fixed on the side wall of the basket, and a limiting groove is formed between the side plate and the upper surface of the bottom of the basket.

[0013] In a possible implementation, the limiting disc has an arc segment and a plane segment, the output shaft of the servo motor is connected with the middle part of the limiting disc, the arc segment of the limiting disc can be rotated to a position where the arc segment is inserted and matched with the limiting groove, and the plane segment of the limiting disc is separated from the limiting groove when the plane segment faces the basket.

[0014] In a possible implementation, a flexible net is arranged between the support plate and the bottom of the basket, and the top and the bottom of the flexible net are fixed to the support plate and the bottom of the basket respectively. The support plate is fixedly connected with a safety rope, the bottom end of the safety rope penetrates the bottom of the basket, the penetrating end of the safety rope is fixedly provided with a counterweight disc, the bottom of the basket has an insertion groove which is inserted and matched with the counterweight disc, the counterweight disc is fixed to the bottom of the basket by bolts, a fall arrester is arranged on the safety rope, and the other end of the fall arrester is used to be connected with the protective clothing of the construction personnel.

[0015] Compared with the prior art, the outer peripheral wall of the basket contacts the inner peripheral wall of the lifting opening, the lifting opening can limit the basket in the circumferential direction when the basket is lifted to the position of the lifting opening, and the shaking of the basket in the position of the lifting opening is reduced; four groups of steel wires are connected with four corner positions of the bottom of the basket respectively, and the winding and unwinding of the steel wires are realized by the winch mechanism, so that the lifting of the basket is realized; when the basket is lifted to the second position, the limiting structure is inserted and matched with the limiting groove on the basket, so that the height of the basket is limited, and the accidental falling of the basket is reduced; the bottom of the basket is flush with the bottom of the horse path, the basket can be hidden in the position of the horse path when the basket is not used, and the space of the ground of the indoor sports stadium is not occupied; the support sleeve is arranged on the basket, and the support sleeve is sleeved with the steel wire, so that the shaking of the steel wire in the basket is reduced, and the construction personnel in the basket are protected to a certain extent; according to the above arrangement, when the lamps on the top of the indoor sports stadium need to be replaced, the construction personnel can be lifted to the position of the horse path through the basket, and then the lamps can be replaced conveniently; compared with the wheel type elevator, the damage to the rubber layer is reduced; compared with the climbing mode by means of the ladder, the safety hidden danger is reduced.

[0016] To achieve the above objectives, another technical solution adopted in this application is: A lifting method is provided, comprising the following steps: In the initial position, the basket is in the second position, with the bottom of the basket flush with the bottom of the walkway; the limiting structure engages with the limiting groove to limit the basket in the height direction. When construction workers need to go to the walkway, the limiting structure separates from the limiting groove, and the suspended platform descends from the second position to the first position; after the construction workers enter the suspended platform, the suspended platform can rise from the first position to the second position. After the basket is in the second position, the limiting structure is once again engaged with the limiting groove.

[0017] The beneficial effects of the lifting method provided in this application are the same as those of the lifting equipment, and will not be repeated here. Attached Figure Description

[0018] Figure 1 A schematic diagram showing the position of the suspended basket of a lifting device for an indoor sports stadium at ground level, provided as an embodiment of this application; Figure 2 for Figure 1 Enlarged diagram of section A in the middle; Figure 3 for Figure 1 Enlarged schematic diagram of section B in the middle; Figure 4 A schematic diagram illustrating the raising of construction workers to the catwalk via a suspended basket in an indoor sports stadium, as provided in this embodiment of the application. Figure 5 for Figure 4 Enlarged diagram of section C; Figure 6 A schematic diagram of the catwalk section of a lifting device for an indoor sports stadium, provided as an embodiment of this application; Figure 7 for Figure 6 Enlarged schematic diagram of section D in the middle; Figure 8 A schematic diagram showing the opening of a door panel of a lifting device for an indoor sports stadium, provided as an embodiment of this application; Figure 9 for Figure 8 Enlarged schematic diagram of section E in the middle; Figure 10 A schematic diagram of a fence portion of a lifting device for an indoor sports stadium, provided as an embodiment of this application; Figure 11 for Figure 10 Enlarged schematic diagram of section F in the middle; Figure 12A schematic diagram of a limiting plate portion of a lifting device for an indoor sports stadium, provided as an embodiment of this application; Figure 13 A schematic diagram of a slot portion for a lifting device used in an indoor sports stadium, provided as an embodiment of this application; Figure 14 A schematic diagram of the hoisting mechanism portion of a lifting device for an indoor sports stadium, provided as an embodiment of this application; Figure 15 for Figure 14 Enlarged schematic diagram of section G in the middle.

[0019] Explanation of reference numerals in the attached drawings: 1. Walkway; 11. Lifting port; 12. Positioning groove; 13. Clearance groove; 2. Support plate; 3. Suspended basket; 31. Support sleeve; 32. Limiting groove; 33. Extended component; 34. Fence; 35. Guide slope; 36. Door panel; 361. Fixing rod; 362. Protrusion; 363. Handle; 364. Horizontal bar; 365. Vertical bar; 37. Baffle; 371. Fixing hole; 38. Threaded sleeve 39. Groove; 391. Limiting plate; 392. Slot; 393. Connecting groove; 4. Hoisting mechanism; 41. Wire rope; 42. Rewinding drum; 43. Support base; 44. Drive motor; 45. Worm gear reducer; 5. Limiting structure; 51. Housing; 52. Limiting disc; 521. Arc section; 522. Flat section; 53. Servo motor; 6. Side plate; 7. Flexible net; 8. Safety rope; 81. Counterweight disc. Detailed Implementation

[0020] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0021] Please refer to the following: Figures 1 to 15This application describes a lifting device for indoor sports venues. The lifting device includes a support plate 2 fixedly mounted above a walkway 1, with a lifting port 11 on the walkway 1. The lifting device includes a basket 3 and a hoisting mechanism 4. The basket 3 slides along the height direction with the lifting port 11, and the outer peripheral wall of the basket 3 contacts the inner peripheral wall of the lifting port 11. The basket 3 has a first position capable of descending to the ground and a second position capable of rising to the walkway 1. When the basket 3 is in the second position, the bottom of the basket 3 is flush with the bottom of the walkway 1. The hoisting mechanism 4... Mechanism 4 is connected to the top of support plate 2; the wire rope 41 of hoisting mechanism 4 is connected to the bottom of suspended platform 3. There are four sets of wire rope 41, which are connected to the four corners of suspended platform 3 to drive suspended platform 3 to rise and fall; the four sets of wire rope 41 rise and fall synchronously; the suspended platform 3 has a support sleeve 31 that is fitted with the wire rope 41, the top of the walkway 1 is provided with a limiting structure 5, and the suspended platform 3 has a limiting groove 32 that is inserted and matched with the limiting structure 5 to ensure the stability of suspended platform 3 in the second position.

[0022] This application provides a lifting device for indoor sports venues. Compared with the prior art, the outer peripheral wall of the suspended basket 3 contacts the inner peripheral wall of the lifting port 11. When the suspended basket 3 rises to the position of the lifting port 11, the lifting port 11 can play a circumferential limiting role for the suspended basket 3, reducing the swaying of the suspended basket 3 at the position of the lifting port 11. Four sets of steel wire ropes 41 are respectively connected to the four corners of the bottom of the suspended basket 3, and the lifting and lowering of the suspended basket 3 is realized by the winch mechanism 4 winding and unwinding the steel wire ropes 41. When the suspended basket 3 rises to the second position, the limiting structure 5 is inserted into the limiting groove 32 on the suspended basket 3 to play a height limiting role for the suspended basket 3, reducing the swaying of the suspended basket 3. The system minimizes the risk of accidental falls from the suspended platform 3. By aligning the bottom of the suspended platform 3 with the bottom of the walkway 1, it can be concealed within the walkway 1 when not in use, thus avoiding any impact on the indoor stadium floor space. Furthermore, by installing a support sleeve 31 on the suspended platform 3 and attaching it to the wire rope 41, the system reduces the swaying of the wire rope 41 inside the suspended platform 3, providing some protection for the workers inside. With the aforementioned features, when it is necessary to replace the lighting fixtures on the ceiling of the indoor stadium, workers can ascend from the suspended platform 3 to the walkway 1 for convenient fixture replacement.

[0023] It should be noted that the hoisting mechanism 4 includes a winding drum 42, a support base 43, and a drive motor 44; one end of the wire rope 41 is fixed to the winding drum 42, and the wire rope 41 is wound on the winding drum 42; both ends of the winding drum 42 are provided with support bases 43, which are fixed to the support plate 2, and the winding drum 42 is rotatably mounted on the support bases 43; the output shaft of the drive motor 44 is connected to a worm gear reducer 45, the output shaft of the drive motor 44 is connected to the worm end, and the worm wheel end of the worm gear reducer 45 is connected to one end of the winding drum 42; by driving the worm gear reducer 45 to rotate through the drive motor 44, the winding drum 42 can be driven to rotate, thereby realizing the winding and unwinding of the wire rope 41; the worm gear reducer 45 has a self-locking function, which means that only the worm can drive the worm wheel to rotate, and the worm wheel cannot drive the worm to rotate.

[0024] In some embodiments, such as Figures 1 to 15 As shown, the walkway 1 has a positioning groove 12 at the bottom of the lifting port 11. The outer periphery of the bottom of the basket 3 is fixed with an extension component 33 that is inserted and matched with the positioning groove 12. The thickness of the extension component 33 is the same as the thickness of the positioning groove 12. When the basket 3 rises to the second position, the extension component 33 is located in the positioning groove 12, and the bottom of the basket 3 is coplanar with the bottom of the walkway 1.

[0025] By setting a positioning groove 12 at the bottom of the walkway 1, when the suspended basket 3 rises to the second position, the extended part 33 at the bottom of the suspended basket 3 can be inserted and cooperate with the positioning groove 12 to limit the suspended basket 3 and reduce the situation of the suspended basket 3 rising too much; after the suspended basket 3 rises to the position, the limiting structure 5 on the walkway 1 can be inserted and cooperate with the limiting groove 32 on the suspended basket 3 to support the suspended basket 3 and reduce the situation of the suspended basket 3 falling unexpectedly.

[0026] In some embodiments, such as Figures 1 to 15 As shown, the side of the suspended basket 3 is a fence 34, and the top of the fence 34 is provided with a guide slope 35 so that the top of the suspended basket 3 can be inserted into the lifting port 11; wherein, one side of the suspended basket 3 is an entrance and exit, and a door panel 36 is hinged to the suspended basket 3 at the entrance and exit position, and the other side of the door panel 36 is detachably connected to the fence 34.

[0027] The distance between the top surface of the bottom of the suspended platform 3 and the top of the fence 34 is two meters, which can enclose the construction personnel inside the suspended platform 3; fences 34 are installed on three sides of the suspended platform 3, and a door panel 36 is installed on the last side of the suspended platform 3 to facilitate the entry and exit of the construction personnel; a baffle 37 is installed at the free end of the fence 34 and the door panel 36. When the door panel 36 closes the entrance and exit, the door panel 36 contacts the baffle 37. At this time, the door panel 36 is perpendicular to the adjacent fence 34.

[0028] The side of the baffle 37 is provided with a fixing hole 371, and the inner side of the door panel 36 is provided with a fixing rod 361. One end of the fixing rod 361 can be inserted into the fixing hole 371 to keep the door panel 36 in a closed state. The inner side of the door panel 36 is also provided with a protrusion 362, which has a through hole for the fixing rod 361 to slide. The protrusion 362 can restrict the fixing rod 361. There are two protrusions 362, and both protrusions 362 slide with the fixing rod 361. A handle 363 is fixedly provided on the fixing rod 361 between the two protrusions 362. The handle 363 cannot pass through the protrusions 362, so it can limit the sliding position of the fixing rod 361 and reduce the possibility of the fixing rod 361 separating from the door panel 36.

[0029] A horizontal bar 364 is fixed between the two protrusions 362, and a vertical bar 365 is fixed on the horizontal bar 364. The vertical bar 365 is located near the edge of the door panel 36. When the sliding fixed bar 361 is slidable, the fixed bar 361 is rotated around its axis, so that the handle 363 on the fixed bar 361 is rotated above the vertical bar 365. Then, the fixed bar 361 is inserted into the fixing hole 371. After the fixed bar 361 is inserted into the fixing hole 371, the handle 363 is rotated to the space between the vertical bar 365 and the protrusion 362 near the edge of the door panel 36, which limits the position of the handle 363.

[0030] In some embodiments, such as Figures 1 to 15 As shown, the bottom of the suspended platform 3 has a threaded sleeve 38, and the bottom of the suspended platform 3 has a lifting ring in the area enclosed by the threaded sleeve 38. The wire rope 41 is fixed to the lifting ring. The support sleeve 31 is inserted into the lifting ring, and the outer peripheral wall of the support sleeve 31 has an external thread that is threaded to engage with the threaded sleeve 38.

[0031] First, the wire rope 41 is passed through the support sleeve 31, and then the bottom end of the wire rope 41 is passed through the lifting ring. The end of the wire rope 41 that is passed through is fixed to the rest of the wire rope 41 by multiple wire rope clips, and the bottom end of the wire rope 41 is fixed to the lifting ring. The wire rope clips are existing technology and will not be described in detail here.

[0032] After the wire rope 41 is fixed, the support sleeve 31 is threaded into the threaded sleeve 38, which can fix the support sleeve 31 to the suspended platform 3. By setting the support sleeve 31 on the suspended platform 3 and restricting the wire rope 41 inside the support sleeve 31, the swaying of the wire rope 41 in the area enclosed by the suspended platform 3 can be restricted during the hoisting of the bottom of the suspended platform 3, thereby providing a certain degree of protection for the construction personnel inside the suspended platform 3.

[0033] In some embodiments, such as Figures 1 to 15As shown, the bottom side wall of the suspended basket 3 has a groove 39, and the bottom end of the hinge shaft of the door panel 36 is located in the groove 39; a limiting plate 391 is rotatably provided in the groove 39, and the limiting plate 391 is fixedly connected to the hinge shaft of the door panel 36; the side wall of the lifting port 11 has a relief groove 13 that is inserted and matched with the limiting plate 391; wherein, when the suspended basket 3 is in the second position, the limiting plate 391 can rotate with the door panel 36 so that the limiting plate 391 is screwed into the relief groove 13.

[0034] After the suspended platform 3 is raised to the second position, the limiting structure 5 engages with the limiting groove 32. When the worker rotates the door panel 36 outwards, the door panel 36 can open the entrance / exit, and the limiting plate 391 at the bottom of the hinge shaft of the door panel 36 can screw into the clearance groove 13. Because the top of the limiting plate 391 contacts the top wall of the clearance groove 13 and the bottom of the limiting plate 391 contacts the bottom wall of the clearance groove 13, it can serve as a height limit. If the limiting structure 5 malfunctions and does not engage with the limiting groove 32, the limiting plate 391 at the bottom of the hinge shaft of the door panel 36 can still provide some protection after the door panel 36 is opened, improving safety performance. When the limiting structure 5 is working normally, the limiting structure 5 and the limiting plate 391 provide dual protection, further enhancing safety performance.

[0035] The door panel 36 has a threaded hole at the hinge shaft position, and the outer peripheral wall of the hinge shaft of the door panel 36 has a connecting hole aligned with the threaded hole; a set screw is provided at the threaded hole position of the door panel 36. After rotating the set screw, one end of the set screw can be inserted into the connecting hole, and the other end of the set screw is located in the threaded hole of the door panel 36, which can fix the hinge shaft relative to the door panel 36.

[0036] The limiting plate 391 has a disc-shaped structure, and its outer peripheral surface is a combination of curved and flat surfaces. That is, the outer peripheral wall of the limiting plate 391 has both curved and flat surfaces. When the door panel 36 closes the entrance / exit, the curved surface of the limiting plate 391 is screwed into the groove 39, and the flat surface of the limiting plate 391 faces outward. At this time, the limiting plate 391 is completely located within the groove 39. When the door panel 36 is opened, the limiting plate 391 can be screwed into the clearance groove 13. The top of the limiting plate 391 has two semi-circular connecting grooves 393. The bottom end of the hinge shaft of the door panel 36 is inserted into the two connecting grooves 393, which can fix the limiting plate 391 relative to the hinge shaft. During the rotation of the hinge shaft, the limiting plate 391 can rotate accordingly.

[0037] In some embodiments, such as Figures 1 to 15As shown, the limiting structure 5 includes a housing 51, a limiting plate 52, and a servo motor 53; the housing 51 is fixed to the position of the walkway 1 at the lifting port 11; the housing 51 is located on the periphery of the lifting port 11, and the housing 51 has an opening facing the lifting port 11; the limiting plate 52 is rotatably disposed inside the housing 51; the limiting plate 52 has a first state of being inserted and engaged with the limiting groove 32, and a second state of being separated from the limiting groove 32; the servo motor 53 is fixed to the housing 51; the output shaft of the servo motor 53 passes through the housing 51 and is connected to the limiting plate 52; when the basket 3 is in the second position, the upper surface of the bottom of the basket 3 is on the same plane as the top of the walkway 1; a side plate 6 is fixedly provided on the side wall of the basket 3, and a limiting groove 32 is formed between the side plate 6 and the upper surface of the bottom of the basket 3.

[0038] A controller is installed on the support plate 2, and the controller is electrically connected to the drive motor 44 and the servo motor 53. The controller and the remote controller communicate wirelessly, which is existing technology and will not be described in detail here. Control buttons are installed on the wall near the ground in the indoor stadium, and the control buttons are electrically connected to the controller. The servo motor 53 and the drive motor 44 can be activated through the control buttons to lower the suspended basket 3 from the second position to the ground, thereby facilitating the entry of construction personnel into the suspended basket 3.

[0039] After the suspended platform 3 rises to the second position, the servo motor 53 drives the limiting plate 52 to rotate, which can screw the limiting plate 52 into the limiting groove 32, realizing the purpose of the limiting plate 52 and the limiting groove 32 to limit the height of the suspended platform 3. The shell 51 has no bottom, so the bottom of the limiting plate 52 contacts the upper surface of the walkway 1, and the top of the limiting plate 52 contacts the top wall inside the shell 51. After the limiting plate 52 is screwed into the limiting groove 32, part of the limiting plate 52 is located in the limiting groove 32, and the other part of the limiting plate 52 is located inside the shell 51. Therefore, the limiting plate 52 can support and limit the suspended platform 3.

[0040] The limiting plate 52 can rotate eccentrically or coaxially. When the limiting plate 52 rotates coaxially, it has an arc-shaped section 521 and a flat section 522. The output shaft of the servo motor 53 is coaxially arranged with the limiting plate 52. The arc-shaped section 521 of the limiting plate 52 can be rotated to a position that engages with the limiting groove 32. When the flat section 522 of the limiting plate 52 faces the basket 3, the limiting plate 52 separates from the limiting groove 32. Through the above settings, the purpose of engaging or separating the limiting plate 52 from the limiting groove 32 can be achieved.

[0041] In some embodiments, such as Figures 1 to 15As shown, a flexible net 7 is provided between the support plate 2 and the bottom of the suspended platform 3. The top and bottom of the flexible net 7 are fixed to the support plate 2 and the bottom of the suspended platform 3, respectively. A safety rope 8 is fixedly connected to the support plate 2 and is located near the flexible net 7. The bottom end of the safety rope 8 passes through the bottom of the suspended platform 3, and a counterweight plate 81 is fixedly provided at the end of the safety rope 8. The bottom of the suspended platform 3 has a slot 392 that engages with the counterweight plate 81. The counterweight plate 81 is fixed to the bottom of the suspended platform 3 by bolts. A fall arrestor is provided on the safety rope 8, and the other end of the fall arrestor is used to connect to the protective clothing of the construction personnel. The fall arrestor is existing technology and will not be described in detail here. The fall arrestor can slide on the safety rope 8, and when a fall occurs, the fall arrestor can lock the safety rope.

[0042] During the ascent of the suspended platform 3, the bolts on the counterweight plate 81 are unscrewed, and the safety rope 8 remains vertical under the action of the counterweight plate 81, with the flexible net 7 falling inside the suspended platform 3. In the event of an accidental fall of the suspended platform 3 during the ascent, the fall arrestor can lock the safety rope 8, suspending the construction personnel on the safety rope 8, thus preventing the construction personnel from falling with the suspended platform 3. The bottom end of the flexible net 7 extends to the ground as the suspended platform 3 falls. At this time, the construction personnel can reach the ground by grabbing the flexible net 7 and gradually moving downwards. Through the above-mentioned settings of this application, the fall arrestor can protect the construction personnel in the event of an accidental fall; and by setting up the flexible net 7, it is convenient for the construction personnel to gradually descend to the ground.

[0043] During the descent of the suspended platform 3, if an accidental fall occurs, the fall arrestor can also lock the safety rope 8 to protect the construction workers; then the construction workers can gradually descend to the ground through the flexible net 7.

[0044] When the suspended platform 3 rises normally to the second position, the construction workers open the door panel 36 and walk onto the walkway 1. Only then can they remove the fall arrestor. When the construction workers have finished replacing the lights and need to return to the ground, they first connect the fall arrestor to their protective suit, then walk onto the suspended platform 3, close the door panel 36, and rotate the limit plate 52 away from the limit groove 32. They then slowly lower the wire rope 41 until the suspended platform 3 falls back to the ground.

[0045] Handrails are installed on the inside of the fence 34. After the basket 3 falls back to the ground, the other end of the fall arrestor is tied to the handrail. Then, the counterweight plate 81 is fixed to the basket 3 with bolts. Finally, the basket 3 is raised to the second position and hidden on the walkway 1.

[0046] The bottom end of the flexible net 7 is fixed to the suspended platform 3, and the top end of the flexible net 7 is fixed to the support plate 2. During the ascent of the suspended platform 3, the drooping part of the flexible net 7 can be stored inside the suspended platform 3. During the descent of the suspended platform 3, the flexible net 7 stored inside the suspended platform 3 will gradually unfold. When the suspended platform 3 falls unexpectedly, the operator is suspended on the safety rope 8 through the fall arrestor. The operator's hands can grab the flexible net 7, and the operator's feet can step into the gaps of the flexible net 7, making it easier for the operator to descend to the ground along the flexible net 7.

[0047] Based on the same inventive concept, this application also provides a lifting method, including the following steps: In the initial position, the basket 3 is in the second position, with the bottom of the basket 3 flush with the bottom of the walkway 1; the limiting structure 5 is inserted into the limiting groove 32 to limit the basket 3 in the height direction.

[0048] When construction workers need to go to the walkway 1, the limiting structure 5 separates from the limiting groove 32, and the suspended platform 3 descends from the second position to the first position; after the construction workers enter the suspended platform 3, the suspended platform 3 can rise from the first position to the second position.

[0049] After the suspended platform 3 is in the second position, the limiting structure 5 is once again engaged with the limiting groove 32.

[0050] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A lifting device for indoor sports stadiums, characterized in that, A support plate is fixedly installed above the bridle path, which has a lifting port; the lifting equipment includes: The suspended basket slides along the height direction with the lifting port, and the outer peripheral wall of the suspended basket contacts the inner peripheral wall of the lifting port; the suspended basket has a first position that can be lowered to the ground and a second position that can be raised to the walkway; when the suspended basket is in the second position, the bottom of the suspended basket is flush with the bottom of the walkway. A hoisting mechanism is connected to the top of the support plate; the wire rope of the hoisting mechanism is connected to the bottom of the suspended platform, and there are four sets of wire ropes, which are respectively connected to the four corners of the suspended platform to drive the suspended platform to rise and fall; wherein, the suspended platform has a support sleeve that fits with the wire rope, the top of the walkway is provided with a limiting structure, and the suspended platform has a limiting groove that fits into the limiting structure to ensure the stability of the suspended platform in the second position.

2. The lifting device for indoor sports stadiums as described in claim 1, characterized in that, The walkway has a positioning groove at the bottom of the lifting port, and an extended component that is inserted into the positioning groove is fixed on the outer periphery of the bottom of the basket. The thickness of the extended component is the same as the thickness of the positioning groove. When the basket rises to the second position, the extended component is located in the positioning groove, and the bottom of the basket is coplanar with the bottom of the walkway.

3. A lifting device for indoor sports stadiums as described in claim 1, characterized in that, The side of the suspended basket is a fence, and the top of the fence is provided with a guide slope so that the top of the suspended basket can be inserted into the lifting port; One side of the suspended basket is an entrance / exit, and a door panel is hinged to the suspended basket at the entrance / exit position. The other side of the door panel is detachably connected to the fence.

4. A lifting device for indoor sports stadiums as described in claim 3, characterized in that, The bottom of the suspended platform has a threaded sleeve, and the bottom of the suspended platform has a lifting ring in the area enclosed by the threaded sleeve, with a wire rope fixed to the lifting ring; The support sleeve is inserted into the lifting ring, and the outer peripheral wall of the support sleeve has an external thread that mates with the threaded sleeve.

5. A lifting device for indoor sports stadiums as described in claim 3, characterized in that, The bottom side wall of the suspended basket has a groove, and the bottom end of the door panel hinge shaft is located in the groove; a limiting plate is rotatably provided in the groove, and the limiting plate is fixedly connected to the hinge shaft of the door panel; the side wall of the lifting port has an avoidance groove that is inserted and matched with the limiting plate. When the suspended platform is in the second position, the limiting plate can rotate with the door panel so that the limiting plate is screwed into the clearance groove.

6. A lifting device for indoor sports stadiums as described in claim 1, characterized in that, The limiting structure includes: A housing is fixed to the position of the lifting port on the walkway; the housing is located on the periphery of the lifting port, and the housing has an opening facing the lifting port; A limiting plate is rotatably disposed within the housing; the limiting plate has a first state in which it is inserted into the limiting groove, and a second state in which it is separated from the limiting groove; A servo motor is fixed to the housing; the output shaft of the servo motor passes through the housing and is connected to the limiting plate.

7. A lifting device for indoor sports stadiums as described in claim 6, characterized in that, When the basket is in the second position, the upper surface of the bottom of the basket is on the same plane as the top of the walkway; a side plate is fixedly provided on the side wall of the basket, and a limiting groove is formed between the side plate and the upper surface of the bottom of the basket.

8. A lifting device for indoor sports stadiums as described in claim 6, characterized in that, The limiting plate has an arc section and a flat section, and the output shaft of the servo motor is connected to the middle of the limiting plate; the arc section of the limiting plate can be rotated to a position that engages with the limiting groove, and when the flat section of the limiting plate faces the basket, the limiting plate separates from the limiting groove.

9. A lifting device for indoor sports stadiums as described in claim 1, characterized in that, A flexible net is provided between the support plate and the bottom of the suspended basket, with the top and bottom of the flexible net fixed to the support plate and the bottom of the suspended basket, respectively. The support plate is fixedly connected to a safety rope, the bottom end of which passes through the bottom of the suspended platform, and a counterweight plate is fixedly installed at the end of the safety rope that passes through. The bottom of the suspended platform has a slot for inserting and engaging with the counterweight plate, and the counterweight plate is fixed to the bottom of the suspended platform with bolts. A fall arrestor is installed on the safety rope, and the other end of the fall arrestor is used to connect to the protective clothing of the construction workers.

10. A lifting method for a lifting device used in an indoor sports stadium as described in any one of claims 1-9, characterized in that, Includes the following steps: In the initial position, the basket is in the second position, with the bottom of the basket flush with the bottom of the walkway; the limiting structure engages with the limiting groove to limit the basket in the height direction. When construction workers need to go to the walkway, the limiting structure separates from the limiting groove, and the suspended platform descends from the second position to the first position; after the construction workers enter the suspended platform, the suspended platform can rise from the first position to the second position. After the basket is in the second position, the limiting structure is once again engaged with the limiting groove.

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