Quick replacement structure for chain of elevator

Abstract

The utility model relates to the technical field of elevator chains, and discloses an elevator chain quick replacement structure which comprises a chain plate, a sliding groove is formed in the chain plate, a sliding disc is connected into the chain plate in a sliding mode, a first connecting rod is fixedly connected to the side, away from the chain plate, of the sliding disc, and a mounting plate is fixedly connected to the end, away from the sliding disc, of the first connecting rod. Springs are fixedly connected to the interiors of the chain plates, the ends, away from the chain plates, of the springs are fixedly connected with blocking blocks, the outer walls of the sliding discs are slidably connected to the outer walls of the blocking blocks, the outer walls of the blocking blocks are slidably connected to the interiors of the chain plates, and reinforcing assemblies are arranged on the inner sides of the chain plates. According to the chain installation device, the connection of the sliding disc and the limiting block is simpler than the method that a plurality of screws are screwed one by one, an operator only needs to simply butt the sliding disc and a corresponding part to complete the installation of the chain, the time required by the installation is greatly shortened, and the working efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist chain technology field especially relates to a hoist chain quick replacement structure. BACKGROUND

[0002] In modern industrial production, the hoist is widely used in many fields such as mine, metallurgy, chemical industry, building material etc. as the key equipment of vertical transportation of material. The hoist chain as one of the core components of hoist bears the important role of transmitting power and conveying material. In the actual operation process, the chain needs to be replaced regularly to ensure the safe and stable operation of the hoist because the chain is in the working state of high load and high wear for a long time. If the chain is not replaced in time, it may break and cause production interruption and economic loss.

[0003] The existing hoist chain is mostly fixed by using multiple screws during installation. This fixing method needs to tighten multiple screws one by one in the actual operation process, which is complicated and time-consuming, resulting in low work efficiency. Moreover, the tightening degree of multiple screws is difficult to ensure uniform, which may cause uneven force on the chain and accelerate the wear of the chain during operation, affecting the service life of the chain. When replacing the chain later, it takes a long time to disassemble multiple screws, resulting in long equipment downtime and low work efficiency. TECHNICAL SOLUTION

[0004] In order to make up for the above shortcomings, the utility model provides a hoist chain quick replacement structure to improve the problem that the time required for disassembling multiple screws is long in the prior art, resulting in long equipment downtime and low work efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a hoist chain quick replacement structure, including chain plate, the chain plate is internally provided with a sliding slot, the chain plate is internally connected with a sliding disc in a sliding mode, the sliding disc is fixedly connected with a connecting rod one on the side away from the chain plate, the connecting rod one is fixedly connected with a mounting plate on the end away from the sliding disc, the chain plate is fixedly connected with a spring inside, the spring is fixedly connected with a blocking block on the end away from the chain plate, the sliding disc outer wall is connected with the blocking block outer wall in a sliding mode, the blocking block outer wall is connected with the chain plate inside in a sliding mode, the chain plate inboard is provided with a reinforcing assembly.

[0006] Further, the reinforcing assembly includes a flange, the flange outer wall is connected with the chain plate inboard in a sliding mode, and the flange inner wall is connected with a telescopic rod one in a sliding mode.

[0007] Further, the chain plate is fixedly connected with a connecting rod two at one end of the telescopic rod, a threaded rod is rotatably connected in the connecting rod two, a connecting plate two is fixedly connected to one end of the threaded rod away from the connecting rod two, and a rotating sleeve is threadedly connected to the outer wall of the threaded rod.

[0008] Further, the connecting ring is rotatably connected to the outer wall of the rotating sleeve, and the threaded rod is slidably connected to the inner wall of the connecting ring.

[0009] Further, the connecting ring is rotatably connected to the outer wall of the rotating sleeve, and the threaded rod is slidably connected to the inner wall of the connecting ring.

[0010] Further, the threaded rod is fixedly connected with a connecting plate two at one end close to the rotating sleeve, and the connecting plate two is slidably connected to the inside of the rotating sleeve.

[0011] Further, the mounting plate is internally threadedly connected with a screw at one end away from the connecting rod one, and the screw is threadedly connected to the inside of the chain plate.

[0012] Further, the chain plate is externally provided with a connecting plate one, and the screw is threadedly connected to the inside of the connecting plate one away from one end of the connecting rod one.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the sliding disc slides in the sliding groove in the chain plate. In the normal state, the blocking block can effectively block the sliding disc, so that it will not easily slide out of the chain plate. Only when subjected to a large pressure, sliding will occur. When installing the chain, the method of connecting the sliding disc and the limiting block by tightening multiple screws is more simple. The operator only needs to simply butt joint the sliding disc and the corresponding part, and the installation can be completed. The required installation time is greatly reduced, the work efficiency is improved, and the downtime of the equipment due to the installation of the chain is shortened.

[0015] 2. In the utility model, the position of the threaded rod is adjusted by rotating the rotating sleeve. When the rotating sleeve is rotated, the threaded rod moves to both sides through the threaded connection between the rotating sleeve and the threaded rod. The spacing between the chain plates can be flexibly expanded or reduced according to different sizes of the chain wheel, so that the chain can adapt to chain wheels of different sizes. The chain does not need to be customized for different chain wheels, which significantly enhances the versatility of the chain and improves the applicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure diagram of a chain quick replacement structure of a hoist is provided.

[0017] Figure 2 A chain plate part structure schematic view of the quick replacement structure of the chain of the elevator chain is provided in the utility model.

[0018] Figure 3 A Figure 2 enlarged view of A in

[0019] Figure 4 A rotating sleeve part structure schematic view of the quick replacement structure of the chain of the elevator chain is provided in the utility model.

[0020] Legend:

[0021] 1, chain plate; 2, connecting plate one; 3, mounting plate; 4, screw; 5, telescopic rod one; 6, flange; 7, connecting rod one; 8, sliding disc; 9, blocking block; 10, spring; 11, sliding groove; 12, connecting rod two; 13, telescopic rod two; 14, threaded rod; 15, connecting plate two; 16, rotating sleeve; 17, connecting ring; 18, connecting sleeve. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Refer to Figure 1 - Figure 3The utility model provides an embodiment: a hoist chain quick replacement structure, including chain plate 1, the inside of chain plate 1 is seted with sliding slot 11, the setting of sliding slot 11 provides track for the movement of sliding disc 8, sliding disc 8 is slidably connected in the inside of chain plate 1, the one side fixed connection of sliding disc 8 is away from chain plate 1 has connecting rod one 7, the one end fixed connection of connecting rod one 7 is away from sliding disc 8 has mounting plate 3, the connection between sliding disc 8 and connecting rod one 7 can drive mounting plate 3 to move together in the moving process of sliding disc 8, the inside fixed connection of chain plate 1 has spring 10, the one end fixed connection of spring 10 is away from chain plate 1 has blocking block 9, the outer wall sliding connection of sliding disc 8 is in the outer wall of blocking block 9, blocking block 9 can limit the movement of sliding disc 8 when there is not enough external force, realizes the effect of fixed, the outer wall sliding connection of blocking block 9 is in the inside of chain plate 1, and the inside of chain plate 1 is provided with reinforcing assembly;Reinforcing assembly includes flange 6, the outer wall sliding connection of flange 6 is in the inside of chain plate 1, and the inner wall sliding connection of flange 6 has telescopic link one 5;The inside screw thread connection of mounting plate 3 is away from the one end of connecting rod one 7 has screw 4, and the inside screw thread connection of screw 4 outer wall is in the chain plate 1;Chain plate 1 outer wall is provided with connecting plate one 2, and the inside screw thread connection of screw 4 outer wall is away from the one end of connecting plate one 2 connecting rod one 7, and the setting of screw 4 is in order to install mounting plate 3 with connecting plate one 2 and the other end of sliding disc 8 with another chain plate 1 together, convenient installation.

[0024] Specifically, the chain plate 1 is the base component of the whole structure, provides a reliable carrier for the stable operation of the chain, and is internally provided with a sliding groove 11, which provides a precise sliding track for the sliding disc 8. The sliding disc 8 is slidably connected in the chain plate 1, and the connecting rod one 7 is fixedly connected to the side of the sliding disc 8 away from the chain plate 1. The connecting rod one 7 is connected to the mounting plate 3, so that the sliding disc 8 can drive the mounting plate 3 to adjust the position. The sliding disc 8 is fixedly connected to the mounting plate 3 through the connecting rod one 7. The mounting plate 3 is used for mounting the hopper, and the mounting plate 3 is internally screwed with the screw 4 at the end away from the connecting rod one 7. The screw 4 plays a fastening role between the mounting plate 3 and the chain plate 1. By tightening the screw 4, the mounting plate 3 can be firmly fixed on another chain plate 1. The chain plate 1 is fixedly connected with the spring 10, and the spring 10 is fixedly connected with the blocking block 9 at the end away from the chain plate 1. When the chain needs to be installed, the sliding disc 8 can push the blocking block 9 to slide in the chain plate 1 after overcoming the elastic force of the spring 10 under a large pressure, so as to realize the movement of the sliding disc 8. The outer wall of the sliding disc 8 is slidably connected to the outer wall of the blocking block 9, and the outer wall of the blocking block 9 is slidably connected to the inside of the chain plate 1. The blocking block 9 plays a blocking role and can prevent the sliding disc 8 from accidentally sliding due to external force impact, ensuring the reliability of the whole chain connection structure. The chain plate 1 is provided with a reinforcing assembly on the inside, which includes a flange 6. The flange 6 is slidably connected to the inside of the chain plate 1 and provides a mounting base for the telescopic rod one 5 to ensure that the telescopic rod one 5 can work stably. The flange 6 is slidably connected with the telescopic rod one 5 on the inner wall. The telescopic rod one 5 can be telescopic according to the actual working condition, and the interval between the telescopic rod one 5 and the chain plate 1 is expanded to adapt to chain wheels of different sizes. The mounting plate 3 is internally screwed with the screw 4 at the end away from the connecting rod one 7. The screw 4 fixes the mounting plate 3 on another chain plate 1. The chain plate 1 is provided with a connecting plate one 2 on the outer wall. The connecting plate one 2 increases the connecting points of the chain plate 1 and external components, improves the flexibility and stability of the connection between the chain and other equipment, and the screw 4 is threadedly connected to the inside of the connecting plate one 2 at the end away from the connecting rod one 7. Through cooperation with the connecting plate one 2, the firmness of the connection between the mounting plate 3 and the chain plate 1 is further enhanced.

[0025] Referring to Figure 1 , Figure 2 and Figure 4, the chain plate 1 is away from the telescopic rod one 5 one end fixedly connected with connecting rod two 12, the connecting rod two 12 inside rotationally connected with threaded rod 14, threaded rod 14 is away from the one end fixedly connected with connecting plate two 15 of connecting rod two 12, threaded rod 14 outer wall is threadedly connected with rotating sleeve 16, by rotating rotating sleeve 16 can let threaded rod 14 move to both sides, adjust the spacing of chain, adapt to different size sprocket;Rotating sleeve 16 outer wall rotationally connected with connecting ring 17, threaded rod 14 outer wall is slidably connected in connecting ring 17 inner wall;Connecting ring 17 is away from the one side fixedly connected with connecting sleeve 18 of rotating sleeve 16, connecting sleeve 18 inner wall is slidably connected with telescopic rod two 13, telescopic rod two 13 is away from the one end fixedly connected in connecting rod two 12 away from chain plate 1 one side, by setting telescopic rod two 13 not only for threaded rod 14 drive connecting rod two 12 provide guiding effect, also can strengthen the connection between connecting rod two 12 and connecting ring 17, improve stability;Threaded rod 14 is fixedly connected with connecting plate two 15 close to the one end of rotating sleeve 16, connecting plate two 15 outer wall is slidably connected in rotating sleeve 16 inside.

[0026] Specifically, the chain plate 1 is fixedly connected to the connecting rod two 12 away from the inner wall of the telescopic rod one 5 one end, mainly plays a connecting and supporting role, the connecting rod two 12 provides a stable installation basis for the threaded rod 14, the threaded rod 14 is rotatably connected inside the connecting rod two 12, when the threaded rod 14 rotates, through the thread cooperation with the rotating sleeve 16, the rotating sleeve 16 can move along the axial direction of the threaded rod 14, realize the change of the interval between the chain plates 1, adapt to different sizes of the chain wheel, the connecting plate two 15 is fixedly connected to the threaded rod 14 away from the connecting rod two 12 one end, the connecting plate two 15 can only move inside the rotating sleeve 16, prevent the threaded rod 14 from sliding out of the inside of the rotating sleeve 16 due to excessive rotation, cause the chain to fall off, the rotating sleeve 16 is screwedly connected to the outer wall of the threaded rod 14, by rotating the rotating sleeve 16, the threaded rod 14 can move to both sides, thus the adjustment of the width of the chain can be realized, the connecting ring 17 is rotatably connected to the outer wall of the rotating sleeve 16, the connecting ring 17 is rotatably connected with the rotating sleeve 16, so that the rotating sleeve 16 will not affect the other movement of the connecting ring 17 when rotating, the threaded rod 14 is slidably connected to the inner wall of the connecting ring 17, this connection mode realizes that the threaded rod 14 will not drive the connecting ring 17 to rotate together during movement, the connecting sleeve 18 is fixedly connected to the connecting ring 17 away from the rotating sleeve 16 side, mainly used for connecting the telescopic rod two 13, provides an installation position for the telescopic rod two 13, the telescopic rod two 13 is slidably connected to the inner wall of the connecting sleeve 18, can be telescopic according to the need of the distance adjustment of the chain plate 1, the telescopic rod two 13 is fixedly connected to the connecting rod two 12 away from the chain plate 1 side at the end away from the connecting sleeve 18, when the distance between the chain plates 1 is adjusted, the telescopic rod two 13 can provide additional support for the chain plate 1, ensure that the chain plate 1 can remain stable under different distances, the connecting plate two 15 is fixedly connected to the threaded rod 14 close to the rotating sleeve 16 one end, the connecting plate two 15 is slidably connected to the inside of the rotating sleeve 16, by moving the connecting plate two 15 inside the rotating sleeve 16, the threaded rod 14 can be prevented from being separated from the support of the rotating sleeve 16 during movement due to excessive rotation, through this connection, the stability of the device can be enhanced.

[0027] Working principle: when installing the chain, the sliding groove 11 in the chain plate 1 provides a sliding track for the sliding disc 8, under normal conditions, the blocking block 9 will block the sliding disc 8 that has slid to the end under the action of the spring 10, so that it will not easily slide out of the chain plate 1, when installing the chain, the operator applies a large pressure to the sliding disc 8 to overcome the elastic force of the spring 10, and pushes the blocking block 9 to slide inside the chain plate 1, so that the sliding disc 8 can move inside the sliding groove 11, the sliding disc 8 is connected with the mounting plate 3 through the connecting rod one 7, and the sliding disc 8 moves together with the mounting plate 3, after the mounting plate 3 is simply butt-jointed with the corresponding components, the screws 4 on the mounting plate 3 are tightened, the screws 4 are screwed with the chain plate 1 and the connecting plate one 2, so that the installation of the chain is quickly completed, compared with the traditional way of tightening a plurality of screws 4 one by one, the installation efficiency is greatly improved, and the equipment downtime is shortened, when the interval between the chain plates 1 needs to be adjusted to adapt to chain wheels of different sizes, the threaded rod 14 moves to both sides by rotating the rotating sleeve 16, the connecting rod two 12 is installed together with the threaded rod 14, and the chain plates 1 can be moved to both sides through the movement of the threaded rod 14, so that the interval of the chain is adjusted, meanwhile, the sliding connection of the connecting plate two 15 inside the rotating sleeve 16 can prevent the threaded rod 14 from rotating excessively and sliding out of the rotating sleeve 16, the threaded rod 14 is screwed with the rotating sleeve 16, the connecting ring 17 is rotationally connected to the outer wall of the rotating sleeve 16, the threaded rod 14 slides in the inner wall of the connecting ring 17, so that the connecting ring 17 will not rotate together with the threaded rod 14 when the threaded rod 14 moves, the connecting sleeve 18 fixedly connected to the side, away from the rotating sleeve 16, of the connecting ring 17 moves together with the connecting ring 17, and the telescopic rod two 13 slidingly connected to the inner wall of the connecting sleeve 18 also telescopes when the interval of the chain is adjusted, in the adjustment process, the telescopic rod two 13 provides guidance and auxiliary support for the interval adjustment of the chain plates 1, enhances the structural stability, and finally realizes flexible expansion and reduction of the interval between the chain plates 1, so that the chain can adapt to chain wheels of different sizes.

[0028] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hoist chain quick replacement structure comprising chain links (1), characterized in that: The chain plate (1) is internally provided with a sliding groove (11), the chain plate (1) is internally and slidably connected with a sliding disc (8), the sliding disc (8) is fixedly connected with a connecting rod one (7) on the side away from the chain plate (1), the connecting rod one (7) is fixedly connected with a mounting plate (3) on the end away from the sliding disc (8), the chain plate (1) is fixedly connected with a spring (10), the spring (10) is fixedly connected with a blocking block (9) on the end away from the chain plate (1), the sliding disc (8) is slidably connected on the outer wall of the blocking block (9), the blocking block (9) is slidably connected on the inner wall of the chain plate (1), and the chain plate (1) is provided with a reinforcing assembly.

2. The chain replacement structure of claim 1, wherein: The reinforcing assembly comprises a flange (6), and the flange (6) is slidably connected on the inner wall of the chain plate (1).

3. The chain replacement structure of claim 1, wherein: The chain plate (1) is fixedly connected with a connecting rod two (12) on the inner wall of the end away from the telescopic rod one (5), the connecting rod two (12) is rotatably connected with a threaded rod (14) in the inner portion, the threaded rod (14) is fixedly connected with a connecting plate two (15) on the end away from the connecting rod two (12), and the threaded rod (14) is threadedly connected with a rotating sleeve (16) on the outer wall.

4. The chain replacement structure of claim 3, wherein: The rotating sleeve (16) is rotatably connected with a connecting ring (17) on the outer wall, and the threaded rod (14) is slidably connected on the inner wall of the connecting ring (17).

5. The chain replacement structure of claim 4, wherein: The connecting ring (17) is fixedly connected with a connecting sleeve (18) on the side away from the rotating sleeve (16), the connecting sleeve (18) is slidably connected with a telescopic rod two (13) in the inner portion, and the telescopic rod two (13) is fixedly connected with the connecting rod two (12) on the end away from the chain plate (1) on the side away from the connecting sleeve (18).

6. A chain replacement structure for an elevator according to claim 5, characterized in that: The threaded rod (14) is fixedly connected with the connecting plate two (15) on the end close to the rotating sleeve (16), and the connecting plate two (15) is slidably connected in the inner portion of the rotating sleeve (16).

7. The chain replacement structure of claim 1, wherein: The mounting plate (3) is internally and threadedly connected with a screw (4) on the end away from the connecting rod one (7), and the screw (4) is threadedly connected in the inner portion of the chain plate (1).

8. The chain replacement structure of claim 7, wherein: The chain plate (1) is provided with a connecting plate one (2) on the outer wall, and the screw (4) is threadedly connected in the inner portion of the connecting plate one (2) on the end away from the connecting rod one (7).

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