A super heavy duty freight elevator
By designing the car floor as multiple detachable panels and utilizing the cooperation of locking blocks and springs, the assembly and disassembly of ultra-large load-bearing freight elevators are made easy, solving the installation difficulties caused by the heavy car floor in existing technologies and improving installation efficiency.
Patent Information
- Application Number
- CN202310988027.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-08
- Publication Date
- 2026-06-09
- Estimated Expiration
- 2043-08-08
AI Technical Summary
The existing car bottom of ultra-large load-bearing freight elevators is a one-piece structure, which makes them bulky and inconvenient to install in narrow elevator shafts, affecting installation efficiency.
The car bottom structure uses multiple panels spliced together. The panels can be detached and fixed through the cooperation of locking blocks, insert plates and springs, which simplifies the assembly and disassembly process.
It improves the manufacturing and installation efficiency of elevator car bottoms, facilitates the disassembly and maintenance of car bottom plates, and enhances installation efficiency.
Smart Images

Figure CN117049318B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to an ultra-large load-bearing freight elevator. Background Technology
[0002] To improve production and warehousing efficiency, modern factories often adopt multi-story designs for newly built plants and warehouses. Vertical transport elevators have become crucial tools for vertical cargo transfer, with elevators possessing heavy-duty freight capacity serving as the core of vertical logistics operations within the factory. Existing ultra-heavy-duty freight elevators typically consist of a car frame and a car floor installed within the frame. The car floor is welded into a single structure at the manufacturing plant, then transported to the construction site and bolted to the lower beam of the car frame. However, this one-piece car floor is quite bulky, making installation in confined elevator shafts inconvenient and thus affecting installation efficiency. Summary of the Invention
[0003] The purpose of this invention is to provide an ultra-large load-bearing freight elevator with a reasonable structure. The car floor is made of multiple panels spliced together, which facilitates manufacturing and handling. Furthermore, the assembly process of the car floor is simple, which helps to improve installation efficiency.
[0004] To achieve the above objectives, the technical solution of the present invention is to design an ultra-large load-bearing freight elevator, including a car frame and a car bottom installed in the car frame; the car bottom includes a car bottom plate, and both ends of the car bottom plate are detachably fitted with sleeves. The car bottom plate includes multiple plates, and adjacent plates are spliced together, with the adjacent plates being a first plate and a second plate, respectively. The first plate includes a first splicing surface, and two first connecting grooves are symmetrically provided on the first splicing surface. A locking block is provided at the opening of the first connecting groove, and a driving inclined surface is provided on the locking block. The second plate includes a second splicing surface, which is fitted to the first splicing surface, and the second... The splicing surface is provided with two second connecting slots that correspond one-to-one with the first connecting slot. The second connecting slot is provided with an insert plate. One end of the insert plate extends into the first connecting slot and is connected to a buckle block that engages with the locking block. The buckle block is provided with a driven inclined surface for engaging with the driving inclined surface. The wall of the second connecting slot is provided with a sliding groove. A slider is slidably connected in the sliding groove, and a first spring is provided in the sliding groove. The first spring is located between the slider and the second splicing surface, and both ends of the first spring are respectively connected to the slider and the wall of the sliding groove. The slider is provided with a sliding hole. The end of the insert plate away from the buckle block extends vertically to form a movable part. The movable part extends into the sliding hole and is connected to the second spring.
[0005] Preferably, an unlocking block is slidably connected in the first connecting groove, the latching block is located between the unlocking block and the locking block, the side of the unlocking block facing away from the latching block is provided with a release inclined surface for cooperating with the latching block, and a reset block is connected to the side of the unlocking block facing away from the latching block. The groove wall of the first connecting groove is provided with a spring hole corresponding to the reset block, and a third spring connected to the reset block is installed in the spring hole. The second plate is provided with an unlocking hole, the sliding groove is located between the unlocking hole and the second splicing surface, one end of the unlocking hole is connected to one end of the sliding groove, and the other end of the unlocking hole penetrates the side of the second plate. An unlocking rod is provided in the unlocking hole, one end of the unlocking rod extends into the sliding groove and is connected to the slider, and the other end of the unlocking rod is located at the opening of the unlocking hole.
[0006] Preferably, the spring constant of the first spring is greater than that of the second spring, and the spring constant of the second spring is greater than that of the third spring.
[0007] Preferably, the car frame includes a main car and two auxiliary car frames. The main car frame includes a main upper beam, a main lower beam, and a main vertical beam. The two auxiliary car frames are respectively arranged on both sides of the main car frame. Each auxiliary car frame includes a secondary upper beam, a secondary lower beam, and a secondary vertical beam.
[0008] Preferably, the caps at both ends of the car floor are fixedly connected to the lower beams of the two sub-car frames.
[0009] Preferably, the bottom of the cover extends downward to form a fixing part, which is fixedly connected to the sub-lower beam by screws.
[0010] Preferably, the plurality of plates are arranged along the length of the main lower beam.
[0011] Preferably, a reinforcing structure connects the secondary upright beam and the main upright beam.
[0012] The advantages and beneficial effects of this invention are as follows: It provides an ultra-large load-bearing freight elevator with a reasonable structure. By splicing multiple panels together, the car floor plate is easy to manufacture and transport; the assembly process of the car floor plate is simple, which helps to improve installation efficiency. Furthermore, the car floor plate can be easily disassembled, thereby facilitating the individual replacement or repair of the panel. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the present invention.
[0014] Figure 2 yes Figure 1 Enlarged view of point A in the middle.
[0015] Figure 3 This is a schematic diagram of the connection structure between the first plate and the second plate in this invention. Implementation
[0016] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.
[0017] The specific technical solution of this invention is as follows:
[0018] like Figure 1 , Figure 2 and Figure 3As shown, an ultra-large load-bearing freight elevator includes a car frame and a car bottom installed in the car frame. The car bottom includes a car bottom plate 1, with caps 2 detachably fitted at both ends of the car bottom plate 1. The car bottom plate 1 includes multiple plates, with adjacent plates spliced together. The adjacent plates are respectively a first plate 3 and a second plate 4. The first plate 3 includes a first splicing surface 5, on which two first connecting grooves 6 are symmetrically provided. A locking block 7 is provided at the opening of the first connecting groove 6, and a driving inclined surface 8 is provided on the locking block 7. The second plate 4 includes a second splicing surface 9, which is fitted to the first splicing surface 5, and on which two second connecting grooves 10 are provided, each corresponding to one of the first connecting grooves 6. The second connecting groove 10 is provided with an insert plate 11. One end of the insert plate 11 extends into the first connecting groove 6 and is connected to a buckle 12 that engages with the buckle 7. The buckle 12 is provided with a driven inclined surface 13 for engaging with the driving inclined surface 8. The groove wall of the second connecting groove 10 is provided with a sliding groove 14. A slider 15 is slidably connected in the sliding groove 14, and a first spring 16 is provided in the sliding groove 14. The first spring 16 is located between the slider 15 and the second splicing surface 9, and both ends of the first spring 16 are respectively connected to the slider 15 and the groove wall of the sliding groove 14. The slider 15 is provided with a sliding hole 17. The end of the insert plate 11 away from the buckle 12 extends vertically to form a movable part 18. The movable part 18 extends into the sliding hole 17 and is connected to a second spring 19. By adopting the above scheme, when assembling the car floor 1, adjacent plates among multiple plates are spliced together. The specific operation process is as follows: the operator moves the second plate 4 closer to the first plate 3, and inserts the insert plate 11 and the fastener 12 into the corresponding first connecting groove 6. During this process, the driven inclined surface 13 of the fastener 12 will contact the driving inclined surface 8 of the locking block 7. The locking block 7, through the contact and cooperation between the driving inclined surface 8 and the driven inclined surface 13, squeezes the fastener 12, causing the insert plate 11 to move closer to the slider 15, so that the movable part 18 of the insert plate 11 extends into the slider. The second spring 19 is compressed in the hole 17. When the second plate 4 moves to the point where the second splicing surface 9 and the first splicing surface 5 are in contact, the buckle 12 has passed the locking block 7. At this time, the insert plate 11 will move away from the slider 15 under the elastic restoring force of the second spring 19, and the insert plate 11 will drive the buckle 12 to move and make the buckle 12 engage with the locking block 7, thereby completing the splicing of two adjacent plates. After splicing multiple plates in sequence, the car bottom plate 1 is formed, and the caps 2 are respectively fitted on both ends of the car bottom plate 1 to form the car bottom. Then the car bottom is installed in the car frame.
[0019] Furthermore, an unlocking block 20 is slidably connected in the first connecting groove 6. The buckle 12 is located between the unlocking block 20 and the locking block 7. The unlocking block 20 has a release slope 21 on the side facing away from the buckle 12 for cooperating with the buckle 12. A reset block 22 is connected to the side of the unlocking block 20 facing away from the buckle 12. A spring hole 23 corresponding to the reset block 22 is provided on the groove wall of the first connecting groove 6. A third spring 24 connected to the reset block 22 is installed in the spring hole 23. An unlocking hole 25 is provided in the second plate 4. The sliding groove 14 is located between the unlocking hole 25 and the second splicing surface 9. One end of the unlocking hole 25 is connected to one end of the sliding groove 14, and the other end of the unlocking hole 25 penetrates the side of the second plate 4. An unlocking rod 26 is provided in the unlocking hole 25. One end of the unlocking rod 26 extends into the sliding groove 14 and is connected to the slider 15. The other end of the unlocking rod 26 is located at the opening of the unlocking hole 25. By adopting the above-mentioned method, the two adjacent plates in the car floor 1 can be disassembled. The specific operation process is as follows: the worker presses the unlocking rod 26 on the side of the second plate 4 facing away from the first plate 3, causing the unlocking rod 26 to move the slider 15 and compress the first spring 16. During the movement of the slider 15, the insert plate 11 and the buckle block 12 will move. During the movement of the buckle block 12, the unlocking block 20 will act on the driven inclined surface 13 of the buckle block 12 and squeeze the buckle block 12 to move the insert plate 11 closer to the slider 15, so that the movable part 18 of the insert plate 11 compresses the second spring 19. When the buckle block 12 moves past the unlocking block 20, the insert plate 11 will move the buckle block 12 away from the slider 15 under the elastic restoring force of the second spring 19, so that the buckle block 12 contacts the disengagement inclined surface 21 of the unlocking block 20. Then the worker moves the second plate 4... Move away from the first plate 3 and release the pressure on the unlocking lever 26. At this time, the slider 15 will move under the elastic restoring force of the first spring 16, causing the slider 15 to move the insert plate 11 and the buckle 12. The buckle 12 will hook the unlocking block 20 and move it through the reset block 22 to stretch the third spring 24 until the unlocking block 20 is blocked by the locking block 7. The buckle 12 will continue to move under the action of the slider 15 and move along the release slope 21. When the buckle 12 moves to the point of separation from the release slope 21, the buckle 12 will move quickly under the action of the slider 15 and disengage from the locking block 7. At the same time, the unlocking block 20 will reset under the elastic restoring force of the third spring 24. Then the buckle 12 and the insert plate 11 can be removed from the first connecting groove 6, thereby completing the disassembly of the two adjacent plates.
[0020] Furthermore, the elastic coefficient of the first spring 16 is greater than that of the second spring 19, and the elastic coefficient of the second spring 19 is greater than that of the third spring 24.
[0021] Furthermore, the car frame includes a main car 30 and two auxiliary car frames 40. The main car frame 30 includes a main upper beam 31, a main lower beam 32 and a main vertical beam 33. The two auxiliary car frames 40 are respectively arranged on both sides of the main car frame 30. The auxiliary car frame 40 includes an auxiliary upper beam 41, an auxiliary lower beam 42 and an auxiliary vertical beam 43.
[0022] Furthermore, the caps 2 at both ends of the car floor plate 1 are fixedly connected to the secondary lower beams 42 of the two secondary car frames 40 respectively.
[0023] Furthermore, the bottom of the cover 2 extends downward to form a fixing part 27, which is fixedly connected to the sub-lower beam 42 by screws 50.
[0024] Furthermore, the plurality of plates are arranged along the length of the main lower beam 32.
[0025] Furthermore, a reinforcing structure 60 connects the secondary upright beam 43 and the main upright beam 33.
[0026] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. A super-large load-bearing freight elevator, comprising a car frame and a car floor installed in the car frame, characterized in that, The car floor includes a car floor panel, with detachable covers fitted at both ends. The car floor panel comprises multiple panels, with adjacent panels spliced together. The adjacent panels are designated as a first panel and a second panel. The first panel includes a first splicing surface with two symmetrically arranged first connecting grooves. A locking block is provided at the opening of each first connecting groove, and the locking block has a driving inclined surface. The second panel includes a second splicing surface that fits into the first splicing surface, and the second splicing surface has two second connecting grooves corresponding one-to-one with the first connecting grooves. The second connecting groove is provided with an insert plate. One end of the insert plate extends into the first connecting groove and is connected to a buckle block that engages with the locking block. The buckle block is provided with a driven inclined surface for engaging with the driving inclined surface. The groove wall of the second connecting groove is provided with a sliding groove. A slider is slidably connected in the sliding groove, and a first spring is provided in the sliding groove. The first spring is located between the slider and the second splicing surface, and both ends of the first spring are respectively connected to the slider and the groove wall. The slider is provided with a sliding hole. The end of the insert plate away from the buckle block extends vertically to form a movable part. The movable part extends into the sliding hole and is connected to a second spring. An unlocking block is slidably connected in the first connecting groove. The latching block is located between the unlocking block and the locking block. The side of the unlocking block facing away from the latching block has a release slope for cooperating with the latching block, and a reset block is connected to the side of the unlocking block facing away from the latching block. The groove wall of the first connecting groove has a spring hole corresponding to the reset block. A third spring connected to the reset block is installed in the spring hole. An unlocking hole is provided in the second plate. The sliding groove is located between the unlocking hole and the second splicing surface. One end of the unlocking hole is connected to one end of the sliding groove, and the other end of the unlocking hole penetrates the side of the second plate. An unlocking rod is provided in the unlocking hole. One end of the unlocking rod extends into the sliding groove and is connected to the slider, and the other end of the unlocking rod is located at the opening of the unlocking hole.
2. The extra-large load-bearing freight elevator according to claim 1, characterized in that, The spring constant of the first spring is greater than that of the second spring, and the spring constant of the second spring is greater than that of the third spring.
3. The extra-large load-bearing freight elevator according to claim 1, characterized in that, The car frame includes a main car frame and two auxiliary car frames. The main car frame includes a main upper beam, a main lower beam, and a main vertical beam. The two auxiliary car frames are respectively arranged on both sides of the main car frame. The auxiliary car frames include a secondary upper beam, a secondary lower beam, and a secondary vertical beam.
4. The extra-large load-bearing freight elevator according to claim 3, characterized in that, The caps at both ends of the car floor are fixedly connected to the lower beams of the two sub-car frames, respectively.
5. The extra-large load-bearing freight elevator according to claim 4, characterized in that, The bottom of the cover extends downward to form a fixing part, which is fixedly connected to the sub-lower beam by screws.
6. The extra-large load-bearing freight elevator according to claim 3, characterized in that, The multiple plates are arranged along the length of the main lower beam.
7. The extra-large load-bearing freight elevator according to claim 3, characterized in that, The secondary upright beam and the main upright beam are connected by a reinforcing structure.
Citation Information
Patent Citations
Ultra-large load cargo elevator structure
CN112707293A
Elevator car protection structure
CN218664890U