Winding shaft for elevator
By using a rubber arc-shaped pad to form a buffer layer and a T-shaped block to mechanically engage with a T-slot on the lifting belt reel, the problem of friction damage between the lifting belt and the inner wall of the reel is solved, thus achieving protection of the lifting belt and stable installation of the reel.
Patent Information
- Application Number
- CN202520126522.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In existing elevators, the lifting belt comes into direct contact with the inner wall of the winding shaft during use, causing frictional damage and reducing its service life.
The lifting belt is wrapped with a first and second arc-shaped pad made of rubber to form a buffer layer, reducing friction, and provides stable support through the mechanical engagement of T-blocks and T-slots.
It effectively reduces wear on the lifting belt, extends the service life of the elevator, and improves the installation stability of the winding spool.
Smart Images

Figure CN223752306U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a winding shaft technical field especially relates to a winding shaft for elevator. BACKGROUND
[0002] The elevator is a kind of vertical lifting transport equipment, and is used for the equipment between different heights goods or material, and the winding shaft for elevator is the important component indispensable in elevator, is specially used for the cable take-up structure of elevator, ensures the orderly winding and release of steel cable or other connecting wire.
[0003] The existing winding shaft for elevator is directly fixed inside winding shaft to be wound and released when using, lacks the structure of protecting hoisting belt, hoisting belt directly contacts with the inner wall of winding shaft in the process of winding and releasing, generates continuous friction, in the case of frequent use or high load, the coating material (such as rubber or plastic) of hoisting belt surface layer is easily abraded, cable insulation layer is aged or fails, thereby reduce the service life of elevator. UTILITY MODEL CONTENTS
[0004] In order to make up for the above insufficient, the utility model provides a winding shaft for elevator, to improve the prior art that hoisting belt is directly fixed inside winding shaft to be wound and released, lacks the structure of protecting cable, hoisting belt directly contacts with the inner wall of winding shaft in the process of winding and releasing, generates continuous friction.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A winding shaft for elevator, including transmission shaft, the transmission shaft outside is equipped with winding disc, the winding disc inside is equipped with installation groove, the number of installation groove is four, a plurality of installation groove inside is provided with protection assembly, the winding disc middle part is provided with dismounting assembly;
[0007] Protection assembly includes first arc-shaped pad, the first arc-shaped pad is arranged in the inside of a plurality of installation grooves, the first arc-shaped pad lower part is provided with second arc-shaped pad, the first arc-shaped pad and the second arc-shaped pad outside both sides are fixedly connected with clamping block.
[0008] Further, the dismounting assembly includes mounting ring, the mounting ring is fixedly connected in the middle part of the winding disc, the mounting ring inside four quarters are fixedly connected with T-shaped block, the transmission shaft outside right side is inserted with U-shaped rod, the U-shaped rod lower part both sides are threadedly connected with nut.
[0009] Further, the winding disc inside is equipped with clamping groove, the clamping block is engaged with the clamping groove.
[0010] Further, the material of the first arc-shaped pad and the second arc-shaped pad is rubber material, and the material of the clamping block is rubber material.
[0011] Further, T-shaped grooves are formed around the outer part of the transmission shaft, and a plurality of T-shaped blocks are slidingly connected in the T-shaped grooves.
[0012] Further, insertion holes are formed on both sides of the outer part of the transmission shaft, and the U-shaped rod is slidingly connected in the insertion holes.
[0013] Further, an installation hole is formed in the first arc-shaped pad.
[0014] Further, the material of the winding reel is stainless steel material.
[0015] The utility model has the advantages of the following:
[0016] 1. In the utility model, when the winding reel is used, first, the first arc-shaped pad is aligned with the installation groove in the winding reel, the clamping block is aligned with the clamping groove, and then the clamping block is clamped in the installation groove to complete the installation; when the second arc-shaped pad is installed, the method is the same, the second arc-shaped pad is clamped below the installation groove, so that the two arc-shaped pads wrap the installation groove, and after the installation of the remaining three installation grooves is completed in this way, the lifting belt of the elevator is fixed in the winding reel through the installation hole of the first arc-shaped pad, the first arc-shaped pad and the second arc-shaped pad are made of flexible material, a buffer layer can be formed between the lifting belt and the installation groove, the friction is reduced, the surface of the lifting belt is protected, and the service life of the elevator is prolonged.
[0017] 2. In the utility model, when the winding reel is disassembled, the nuts on both sides of the U-shaped rod are removed first, then the U-shaped rod is taken out of the transmission shaft, and finally the winding reel is removed from the transmission shaft; when the winding reel is installed, the installation ring in the winding reel is aligned with the transmission shaft, the T-shaped block on the installation ring is embedded in the T-shaped groove of the transmission shaft, the winding reel is sleeved after being inserted into the U-shaped rod and the nuts are tightened, the mechanical embedding of the T-shaped block and the T-shaped groove enhances the supporting force, effectively prevents loosening under high load or vibration conditions, and improves the installation stability. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A perspective view of the winding reel for the elevator is provided for the utility model;
[0019] Figure 2 A U-shaped rod structure schematic view of the winding reel for the elevator is provided for the utility model;
[0020] Figure 3 A U-shaped rod split structure schematic view of the winding reel for the elevator is provided for the utility model;
[0021] Figure 4The utility model provides a mounting ring structure schematic diagram of winding shaft for elevator.
[0022] Figure 5 The utility model provides a first arc pad split structure schematic diagram of winding shaft for elevator.
[0023] Legend:
[0024] 1, transmission shaft;2, winding disc;3, mounting groove;4, first arc pad;5, clamping block;6, mounting hole;7, second arc pad;8, clamping groove;9, mounting ring;10, T-shaped block;11, U-shaped rod;12, T-shaped groove;13, jack;14, nut. Specific implementation
[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] Reference Figure 1 And Figure 5 An embodiment provided by the utility model: a winding shaft for elevator, comprising transmission shaft 1, transmission shaft 1 outside is equipped with winding disc 2, the installation of the lifting belt is convenient through the setting winding disc 2, the installation groove 3 is set up in winding disc 2 inside, the number of installation groove 3 is four, through the setting multiple installation groove 3, the user can more conveniently select the appropriate position fixed lifting belt, multiple installation groove 3 inside is equipped with protection assembly, the lifting belt is protected through the setting protection assembly, the dismounting assembly is set up in the middle of winding disc 2, the installation and dismounting of winding disc 2 are convenient through the setting dismounting assembly, the material of winding disc 2 is stainless steel material, the high strength and wear resistance of stainless steel can bear the tension, friction and repeated impact of cable in the process of winding and releasing;
[0027] The protection assembly comprises a first arc-shaped pad 4 arranged inside the plurality of mounting grooves 3, a second arc-shaped pad 7 arranged at the lower part of the first arc-shaped pad 4, and clamping blocks 5 fixedly connected to the outer sides of the first arc-shaped pad 4 and the second arc-shaped pad 7. The inside of the winding drum 2 is provided with clamping grooves 8, the clamping blocks 5 are clamped with the clamping grooves 8, the installation of the first arc-shaped pad 4 and the second arc-shaped pad 7 is facilitated, the materials of the first arc-shaped pad 4 and the second arc-shaped pad 7 are rubber materials, the rubber materials have good softness and elasticity, the direct contact between the lifting belt and the mounting grooves 3 can be effectively buffered, the abrasion of the surface layer (such as an insulation layer or a sheath) of the lifting belt is reduced, the material of the clamping blocks 5 is a rubber material, the rubber material has a high friction coefficient, a stronger gripping force can be provided when the clamping blocks 5 contact the clamping grooves 8, the first arc-shaped pad 4 and the second arc-shaped pad 7 are prevented from sliding or loosening after installation, and the inside of the first arc-shaped pad 4 is provided with mounting holes 6, the installation of the lifting belt is facilitated through the mounting holes 6.
[0028] Specifically, when the winding drum 2 is used, first, the first arc-shaped pad 4 is aligned with the mounting grooves 3 arranged inside the winding drum 2, then the two clamping blocks 5 on the first arc-shaped pad 4 are aligned with the clamping grooves 8 inside the winding drum 2, so as to ensure that the clamping blocks 5 can be smoothly inserted into the inside of the clamping grooves 8, then the first arc-shaped pad 4 is gently pressed with appropriate force until it is completely clamped into the inside of the mounting grooves 3 to form a firm connection, at this time, the clamping blocks 5 of the first arc-shaped pad 4 are completely embedded with the clamping grooves 8 and are fixed above the mounting grooves 3, the installation of the first arc-shaped pad 4 is completed, and the installation mode of the second arc-shaped pad 7 is the same as that of the first arc-shaped pad 4, after the installation is completed, the first arc-shaped pad 4 and the second arc-shaped pad 7 together wrap the mounting grooves 3 up and down to form a complete flexible protection structure, which provides buffering and protection for the lifting belt, the inside of the winding drum 2 is provided with four mounting grooves 3, the installation operation of the remaining three mounting grooves 3 repeats the above steps, and the arc-shaped pads are aligned and clamped one by one to ensure that each mounting groove 3 is completely wrapped by the first arc-shaped pad 4 and the second arc-shaped pad 7, and the protection structure of all the mounting grooves 3 is complete and accurate, after the installation of the arc-shaped pads in the mounting grooves 3 is completed, the lifting belt used by the elevator is passed through the mounting holes 6 arranged inside the first arc-shaped pad 4, the lifting belt is aligned with the mounting holes 6 of the first arc-shaped pad 4, and the lifting belt is fixed in the inside of the winding drum 2, the first arc-shaped pad 4 and the second arc-shaped pad 7 are made of flexible materials (such as rubber or elastic plastic), a buffer layer can be formed between the lifting belt and the mounting grooves 3, the friction between the lifting belt and the mounting grooves 3 during winding and releasing can be effectively reduced, the surface of the lifting belt is protected, and abrasion and aging are prevented.
[0029] Referring to Figure 2 , Figure 3 and Figure 4The dismounting and assembling component comprises a mounting ring 9 fixedly connected to the middle part of the winding reel 2, T-shaped blocks 10 fixedly connected to the inner part of the mounting ring 9, a U-shaped rod 11 inserted into the right outer part of the transmission shaft 1, nuts 14 threadedly connected to the lower part of the U-shaped rod 11, T-shaped grooves 12 formed in the outer part of the transmission shaft 1, and insertion holes 13 formed in the outer part of the transmission shaft 1.
[0030] Specifically, when the winding reel 2 needs to be dismounted, first, the nuts 14 for fixing the lower part of the U-shaped rod 11 are found and removed from the lower part of the U-shaped rod 11. After the nuts 14 are removed, the U-shaped rod 11 is no longer fixed, and the operator can easily pull out the U-shaped rod 11 from the inner part of the transmission shaft 1. After the U-shaped rod 11 is completely removed, the winding reel 2 is no longer fixed and constrained, and can be directly removed from the outer part of the transmission shaft 1 by external force. During installation, the mounting ring 9 fixedly connected to the inner part of the winding reel 2 is aligned with the transmission shaft 1, so that the positions and directions of the two are consistent. The T-shaped blocks 10 fixedly connected to the mounting ring 9 are aligned with the T-shaped grooves 12 formed in the outer part of the transmission shaft 1. Then, the winding reel 2 is slowly slid into the outer part of the transmission shaft 1 along the direction of the T-shaped grooves 12, so that the T-shaped blocks 10 are completely embedded in the T-shaped grooves 12. During installation, the winding reel 2 is gently shaken to ensure that each T-shaped block 10 is completely attached to the corresponding T-shaped groove 12, so as to avoid loosening. The U-shaped rod 11 is inserted into the inner part of the transmission shaft 1. Finally, the nuts 14 removed previously are reinstalled on the two sides of the U-shaped rod 11. Thus, the winding reel is conveniently installed and dismounted. The mechanical embedding of the T-shaped blocks 10 and the T-shaped grooves 12 provides stable support force, effectively prevents the winding reel from loosening under high load or vibration conditions, and improves the stability of the winding reel installation.
[0031] Working principle: when using the winding disc 2, first, the first arc-shaped pad 4 is aligned with the mounting slot 3 in the inside of the winding disc 2, then, the two clamping blocks 5 are aligned with the clamping slot 8, then, the first arc-shaped pad 4 is clamped into the inside of the mounting slot 3, and the installation of the first arc-shaped pad 4 is completed, when installing the second arc-shaped pad 7, the operation mode is the same as that of installing the first arc-shaped pad 4, finally, the second arc-shaped pad 7 is clamped into the lower part of the mounting slot 3, so that the first arc-shaped pad 4 and the second arc-shaped pad 7 wrap the mounting slot 3, and the installation mode of the remaining three mounting slots 3 is repeated, finally, the lifting belt used by the elevator is installed in the inside of the winding disc 2 through the mounting hole 6 in the inside of the first arc-shaped pad 4, so that the first arc-shaped pad 4 and the second arc-shaped pad 7 are installed in the lifting belt mounting slot 3 of the elevator winding shaft, the first arc-shaped pad 4 and the second arc-shaped pad 7 are made of flexible material, a buffer layer can be formed between the lifting belt and the mounting slot 3, the friction force is effectively reduced, the surface of the lifting belt is protected, and the service life of the elevator is prolonged.
[0032] When the winding disc 2 needs to be disassembled, first, the two nuts 14 are removed from the lower two sides of the U-shaped rod 11, then, the U-shaped rod 11 is taken out from the inside of the transmission shaft 1, and finally, the winding disc 2 is taken out from the outside of the transmission shaft 1, when installing, the mounting ring 9 fixed in the inside of the winding disc 2 is aligned with the transmission shaft 1, then, the T-shaped block 10 fixed around the inside of the mounting ring 9 is aligned with the T-shaped slot 12 around the outside of the transmission shaft 1, then, the winding disc 2 is sleeved on the outside of the transmission shaft 1, then, the U-shaped rod 11 is inserted into the inside of the transmission shaft 1, and then the nuts 14 are tightened, so that the winding shaft is conveniently installed and disassembled, the mechanical fitting of the T-shaped block 10 and the T-shaped slot 12 provides stable supporting force, effectively prevents the winding shaft from loosening under high load or vibration conditions, and improves the stability of the winding shaft installation.
[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A winding spool for a lifting platform, comprising a drive shaft (1), characterized in that: The drive shaft (1) is externally mounted with a winding reel (2), and the winding reel (2) is internally provided with an installation groove (3). There are four installation grooves (3), and protective components are provided inside the multiple installation grooves (3). A disassembly and assembly component is provided in the middle of the winding reel (2). The protective component includes a first arc-shaped pad (4), which is disposed inside the plurality of mounting slots (3). A second arc-shaped pad (7) is disposed below the first arc-shaped pad (4). Both the first arc-shaped pad (4) and the second arc-shaped pad (7) are fixedly connected to the outer sides of the two sides by a locking block (5).
2. The lifting platform reel according to claim 1, characterized in that: The assembly and disassembly assembly includes an installation ring (9), which is fixedly connected to the middle of the winding reel (2). T-shaped blocks (10) are fixedly connected to the four sides inside the installation ring (9). A U-shaped rod (11) is inserted into the right side of the outside of the drive shaft (1). Nuts (14) are threaded to both sides of the lower part of the U-shaped rod (11).
3. A reel for a lift according to claim 1, characterized in that: The winding reel (2) has a slot (8) inside, and the locking block (5) engages with the slot (8).
4. A spool for a lifting platform according to claim 1, characterized in that: The first arc-shaped pad (4) and the second arc-shaped pad (7) are both made of rubber, and the card block (5) is also made of rubber.
5. A spool for a lifting platform according to claim 2, characterized in that: The drive shaft (1) has T-slots (12) on all four sides, and multiple T-blocks (10) are slidably connected inside the multiple T-slots (12).
6. A spool for a lifting platform according to claim 2, characterized in that: The drive shaft (1) has insertion holes (13) on both sides of its exterior, and the U-shaped rod (11) is slidably connected inside the two insertion holes (13).
7. A coil reel for an elevator according to claim 1, characterized in that: The first arc-shaped pad (4) has an installation hole (6) inside.
8. A cable reel for a lift according to claim 1, characterized in that: The winding reel (2) is made of stainless steel.