Roller guide shoe for elevator

Abstract

The roller guide shoe for the elevator comprises a bottom plate, two vertical plates are fixedly connected to the top of the bottom plate, a top plate is fixedly connected to the tops of the two vertical plates, and a sliding block is fixedly connected to one side of the top plate; and the side edge rolling assembly is arranged on one side of the vertical plate and can conduct rolling limiting on the two sides of the elevator guide rail. According to the elevator guide rail rolling limiting device, by arranging the side edge rolling assemblies and the main rolling assembly, the distance between the side edge rolling wheels of the upper portion and the lower portion can be adjusted and enlarged, and rolling limiting on the two sides of the elevator guide rail can be more stable; due to the fact that the elevator guide rail can still be clamped between the remaining two or three side edge rollers, backup redundancy can be achieved, the situation that one or two side edge rollers are damaged to affect operation of the whole elevator is avoided, and in addition, the elevator guide rail clamping device can adapt to guide rails of different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely is a kind of roller guide shoe for elevator. BACKGROUND

[0002] Roller guide shoe for elevator is the vital component in elevator system, it is installed at the bottom or side of elevator car, and through the rolling contact with elevator guide rail to ensure that elevator car moves steadily and accurately in vertical direction. The design of roller guide shoe can reduce friction and noise, improve the operation efficiency and stability of elevator, and also help to protect elevator guide rail from wear and tear, prolong the service life of elevator, ensure the safety and comfort of passengers.

[0003] The utility model with the publication number CN217808147U provides a kind of roller guide shoe for elevator, same belongs to "elevator" technical field, the right item protected: "including bottom plate, the bottom plate top one side is fixedly connected with two vertical boards, two the vertical board between being equipped with placing mouth, and the surface of two vertical boards is respectively penetrated and established with rectangular mouth, the inner wall of rectangular mouth is fixedly connected with tension spring, the other end of tension spring is fixedly connected with stable seat, the other end of stable seat is fixedly connected with auxiliary spring, the other end of auxiliary spring is fixedly connected with connecting plate, the other side of connecting plate is movably connected with adjusting bolt. In the utility model, through the mutual cooperation of stable seat, connecting plate, adjusting bolt and side edge roller, when adjusting bolt rotates, stable seat can be adjusted and moved by connecting plate, the movement of stable seat promotes two side edge rollers to be close to each other or away from each other, to ensure that the adjusted side edge roller can be applicable to elevator guide rail of different sizes, with applicability.

[0004] In the device, although the adjusted side edge roller can be applicable to elevator guide rail of different sizes, with applicability, but the device does not redundantly design side edge roller, once side edge roller is damaged, if elevator is still running at this time, it can cause elevator to run unstably, prone to safety accidents, therefore we propose a new roller guide shoe for elevator. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of roller guide shoe for elevator to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of roller guide shoe for elevator, comprising:

[0008] Bottom plate, the top of the bottom plate is fixedly connected with two vertical boards, the top of two vertical boards is fixedly connected with top plate, the side of the top plate is fixedly connected with sliding block;

[0009] The side edge rolling assembly is arranged on one side of the vertical plate and can roll and limit the two sides of the elevator guide rail.

[0010] The main rolling assembly is arranged on the bottom plate and cooperates with the side edge rolling assembly to roll and limit the whole guide rail.

[0011] The support plate is fixedly connected to the top of the bottom plate, and a sliding groove is formed in the top of the support plate.

[0012] The third screw rod is arranged on the top of the support plate, one end of the third screw rod is rotatably connected to the protruding end of the support plate, a second spring is arranged outside the third screw rod, and a second nut is threadedly arranged on the other end of the third screw rod.

[0013] The second moving block is arranged on the top of the support plate, the second moving block is arranged outside the third screw rod, and the bottom of the second moving block is slidably connected to the sliding groove.

[0014] The main rolling wheel is rotatably connected to one side of the second moving block.

[0015] Preferably, the side edge rolling assembly comprises:

[0016] The first rotating joint is rotatably connected to one side of the vertical plate.

[0017] The first screw rod is inserted into the first rotating joint, both ends of the first screw rod are arranged outside the first rotating joint, one end of the first screw rod is threadedly connected to a first nut, the other end of the first screw rod is fixedly connected to a stop block, and a first spring is arranged outside the first screw rod.

[0018] The second rotating joint is arranged outside the first screw rod.

[0019] The frame is arranged on one side of the vertical plate, the second rotating joint is rotatably connected to the frame, and a limiting groove is formed in each side of the frame.

[0020] The first moving block is slidably arranged in the frame, and the two sides of the first moving block are slidably connected to the two limiting grooves, respectively.

[0021] The second screw rod is threadedly inserted into the top of the frame, the bottom end of the second screw rod is arranged in the frame and rotatably connected to the top of the first moving block.

[0022] The connecting shaft is fixedly connected to the first moving block.

[0023] The side edge rolling wheel is rotatably connected to the outer end of the connecting shaft.

[0024] Preferably, one side of the vertical plate is rotationally connected with a first telescopic rod, and the extending end of the first telescopic rod is rotationally connected with a second rotating joint.

[0025] Preferably, the side edge rolling assembly is provided as two parts arranged oppositely, and two frames arranged in the side edge rolling assembly are fixedly connected, and the side edge rolling assembly and the vertical plate are divided into two groups arranged oppositely, and the elevator guide rail is limited to slide between the two groups of side edge rollers.

[0026] Preferably, one side of the support plate is rotationally connected with a second telescopic rod, and the extending end of the second telescopic rod is rotationally connected with a second moving block.

[0027] Preferably, a positioning bolt is threadedly inserted into the second telescopic rod.

[0028] Compared with the prior art, the utility model has the beneficial effects that:

[0029] 1. The elevator guide rail is clamped between the two groups of side edge rollers and the main roller, when the elevator runs, the guide rail slides along the two groups of side edge rollers and the main roller, and the second screw at the corresponding position can drive the first moving block to lift under the limitation of the frame, that is, the side edge roller at the corresponding position is lifted, so that the side edge rollers of the upper and lower parts are lifted relatively, the distance between the side edge rollers of the upper and lower parts can be adjusted, the distance is expanded, and the rolling limitation of the two sides of the elevator guide rail is more stable.

[0030] 2. When one or two of the upper and lower parts of the side edge rollers are damaged, the remaining two or three side edge rollers can still clamp the elevator guide rail, so that backup redundancy is achieved, and the damage of one or two side edge rollers does not affect the running of the whole elevator.

[0031] 3. The first nut is rotated to drive the first screw to move, at this time, under the blocking action of the stopper, the first screw can drive the second rotating joint to move synchronously, one end of the frame is pulled to rotate, at this time, the side edge roller at the position is driven to move, and the first screws of the upper and lower parts are synchronously rotated, so that the distance between the opposite side edge rollers of the left and right groups can be adjusted to adapt to different sizes of guide rails, and in the same way, the second nut is rotated to move outward, at this time, the second spring is relaxed, and the movable stroke of the main roller is lengthened, at this time, the guide rail of large size can be clamped for limitation, and vice versa, in short, different sizes of elevator guide rails can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a schematic diagram of the whole structure of the utility model;

[0033] Figure 2 is a rear view of the utility model Figure 1 ;

[0034] Figure 3 is a side edge rolling assembly structure schematic view of the utility model

[0035] Figure 4 is a side view of the utility model Figure 3 ;

[0036] Figure 5 is a main rolling assembly structure schematic view of the utility model

[0037] Figure 6 is the A place enlarged view of the utility model Figure 5 .

[0038] In the drawing: 100, bottom plate; 110, vertical plate; 120, top plate; 130, sliding block; 200, side edge rolling assembly; 300, main rolling assembly; 210, first rotating joint; 220, first screw; 221, first nut; 222, stop block; 223, first spring; 230, second rotating joint; 240, frame; 241, limiting groove; 250, first moving block; 260, second screw; 270, connecting shaft; 280, side edge roller; 290, first telescopic rod; 310, support plate; 311, sliding groove; 320, third screw; 321, second spring; 322, second nut; 330, second moving block; 340, main roller; 350, second telescopic rod; 351, positioning bolt. DETAILED DESCRIPTION

[0039] 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.

[0040] As shown in Figures 1-6 , in the embodiment, an elevator roller guide shoe comprises a bottom plate 100, a side edge rolling assembly 200 and a main rolling assembly 300, the top of the bottom plate 100 is fixedly connected with two vertical plates 110, the top of the two vertical plates 110 is fixedly connected with a top plate 120, one side of the top plate 120 is fixedly connected with a sliding block 130, and the sliding block 130 plays a guiding role in clamping into the elevator guide rail;

[0041] The side rolling assembly 200 comprises a first rotating joint 210, a first screw rod 220, a second rotating joint 230, a frame 240, a first moving block 250, a second screw rod 260, a connecting shaft 270 and side rollers 280. The first rotating joint 210 is rotatably connected to one side of the vertical plate 110. The first screw rod 220 is inserted into the first rotating joint 210, and both ends of the first screw rod 220 extend out of the first rotating joint 210. One end of the first screw rod 220 is threadedly sleeved with a first nut 221, and the other end of the first screw rod 220 is fixedly connected with a stop block 222. The first screw rod 220 is externally sleeved with a first spring 223. The second rotating joint 230 is sleeved outside the first screw rod 220. The frame 240 is arranged on one side of the vertical plate 110, and the second rotating joint 230 is rotatably connected to the frame 240. Both sides of the frame 240 are provided with limiting grooves 241. The first moving block 250 is slidably arranged in the frame 240, and both sides of the first moving block 250 are slidably connected in the two limiting grooves 241. The second screw rod 260 is threadedly inserted into the top of the frame 240, and the bottom end of the second screw rod 260 extends into the frame 240 and is rotatably connected to the top of the first moving block 250. The connecting shaft 270 is fixedly connected in the first moving block 250. The side rollers 280 are rotatably connected to the outer end of the connecting shaft 270. The two groups of four side rollers 280 are of the same specification.

[0042] In the embodiment, one side of the vertical plate 110 is rotatably connected with a first telescopic rod 290, and the extending end of the first telescopic rod 290 is rotatably connected to the second rotating joint 230. When the device is running, the side rolling assembly 200 will produce corresponding overall deformation. The first telescopic rod 290 can play a supporting role, and can make the deformation recover in time. It should be noted that the first telescopic rod 290 is provided with a damping mechanism to avoid repeated vibration, which is prior art and will not be described in detail.

[0043] In specific implementation, rotating the second screw rod 260 at the corresponding position can drive the first moving block 250 to ascend and descend under the limitation of the frame 240, that is, drive the side rollers 280 at the corresponding position to ascend and descend. In this way, the side rollers 280 of the upper and lower parts ascend and descend relatively, so as to adjust the distance between the side rollers 280 of the upper and lower parts, expand the distance, and make the rolling limitation of the elevator guide rails on both sides more stable. When one or two of the side rollers 280 of the upper and lower parts are damaged, the remaining two or three side rollers 280 can still clamp the elevator guide rails therebetween, so that backup redundancy can be achieved, and the damage of one or two side rollers 280 does not affect the running of the entire elevator.

[0044] Further, when one or two side edge rollers 280 are damaged, the other two or three side edge rollers 280 can still roll and limit, a part of the structure in the side edge rolling assembly 200 is damaged, and the opposite part is not affected, and even if the frame 240 is damaged and tilted, the opposite side edge roller 280 is also not affected. The rolling and limiting of the guide rail.

[0045] In order to cooperate with the side edge rolling assembly 200, the main rolling assembly 300 is arranged to roll and limit the guide rail as a whole.

[0046] As shown in Figure 5 In this embodiment, the main rolling assembly 300 includes a support plate 310, a third screw 320, a second moving block 330, and a main roller 340. The support plate 310 is fixedly connected to the top of the bottom plate 100, and a sliding groove 311 is formed in the top of the support plate 310. The third screw 320 is arranged on the top of the support plate 310, one end of the third screw 320 is rotatably connected to the protruding end of the support plate 310, a second spring 321 is externally sleeved on the third screw 320, and a second nut 322 is threadedly sleeved on the other end of the third screw 320. The second moving block 330 is arranged on the top of the support plate 310, the second moving block 330 is sleeved on the third screw 320, and the bottom of the second moving block 330 is slidably connected to the sliding groove 311. The main roller 340 is rotatably connected to one side of the second moving block 330. The size of the main roller 340 is greater than that of the side edge roller 280.

[0047] Specifically, rotating the first nut 221 drives the first screw 220 to move, at this time, under the blocking action of the stop block 222, the first screw 220 can drive the second rotating joint 230 to move synchronously, one end of the frame 240 is pulled to rotate, at this time, the side edge roller 280 at this position is driven to move, the first screw 220 in the upper and lower parts is synchronously rotated, the distance between the left and right groups of opposite side edge rollers 280 can be adjusted to adapt to guide rails of different sizes. Similarly, rotating the second nut 322 outwardly, at this time, the second spring 321 is relaxed, and the movable stroke of the main roller 340 becomes longer, at this time, a large-size guide rail can be clamped and limited, and vice versa. In short, it can adapt to elevator guide rails of different sizes.

[0048] As shown in Figure 5 and Figure 6As shown, further, one side of the support plate 310 is rotationally connected with a second telescopic rod 350, the extending end of the second telescopic rod 350 is rotationally connected with the second moving block 330; the second telescopic rod 350 is threadedly inserted with a positioning bolt 351, by arranging the second telescopic rod 350, the stability is strengthened, at the same time, the telescopic section of the second telescopic rod 350 can be fixed by the positioning bolt 351, so as to limit the movement of the second moving block 330, that is, the movement stroke of the main roller 340 can be limited, the second spring 321 is prevented from being too loose, the shaking degree of the elevator during operation is reduced, in addition, the second telescopic rod 350 does not need to be arranged with a damping mechanism, because the sliding of the second moving block 330 and the sliding groove 311 plays a limiting role.

[0049] Working principle: first, the elevator guide rail is clamped between the two groups of side rollers 280 and the main roller 340, when the elevator runs, the guide rail slides along the two groups of side rollers 280 and the main roller 340 for limiting, rotating the second screw 260 at the corresponding position, the first moving block 250 can be driven to ascend and descend under the limiting of the frame 240, that is, the side roller 280 at the corresponding position is driven to ascend and descend, in this way, the side rollers 280 of the upper and lower parts ascend and descend relatively, the distance between the side rollers 280 of the upper and lower parts can be adjusted, the distance is expanded, the rolling limiting of the guide rail on both sides of the elevator is more stable, when one or two of the side rollers 280 of the upper and lower parts are damaged, because the remaining two or three side rollers 280 can still clamp the elevator guide rail, backup redundancy can be achieved, the damage of one or two side rollers 280 does not affect the operation of the entire elevator, rotating the first nut 221 drives the first screw 220 to move, at this time, under the blocking action of the stop block 222, the first screw 220 can drive the second rotating joint 230 to move synchronously, one end of the frame 240 is pulled to rotate, at this time, the side roller 280 at this position is driven to move, the first screw 220 of the upper and lower parts rotates synchronously, the distance between the left and right groups of side rollers 280 can be adjusted to adapt to guide rails of different sizes, similarly, rotating the second nut 322 moves outward, at this time, the second spring 321 is relaxed, the movement stroke of the main roller 340 is lengthened, at this time, the guide rail of large size can be clamped for limiting, and vice versa, in short, the elevator guide rails of different sizes can be adapted.

[0050] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0051] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A roller guide shoe for an elevator, characterized in that, include: A base plate (100) has two upright plates (110) fixedly connected to its top, and a top plate (120) fixedly connected to the top of the two upright plates (110). A slider (130) is fixedly connected to one side of the top plate (120). Side rolling assembly (200), which is disposed on one side of the upright plate (110) and can limit the rolling of the elevator guide rail on both sides; A main rolling assembly (300) is mounted on the base plate (100) and cooperates with the side rolling assembly (200) to limit the rolling of the entire guide rail. The main rolling assembly (300) includes: A support plate (310) is fixedly connected to the top of the base plate (100), and a groove (311) is provided on the top of the support plate (310); The third screw (320) is disposed on the top of the support plate (310). One end of the third screw (320) is rotatably connected to the protruding end of the support plate (310). A second spring (321) is sleeved on the outside of the third screw (320). A second nut (322) is threaded on the other end of the third screw (320). The second movable block (330) is disposed on the top of the support plate (310), the second movable block (330) is sleeved on the outside of the third screw (320), and the bottom of the second movable block (330) is slidably connected to the slide groove (311); The main roller (340) is rotatably connected to one side of the second moving block (330).

2. The elevator roller guide shoe according to claim 1, characterized in that, The side scrolling assembly (200) includes: The first rotating joint (210) is rotatably connected to one side of the upright plate (110); A first screw (220) is inserted into a first rotating joint (210). Both ends of the first screw (220) extend out of the first rotating joint (210). A first nut (221) is threaded onto one end of the first screw (220). A stop block (222) is fixedly connected to the other end of the first screw (220). A first spring (223) is sleeved on the outside of the first screw (220). The second rotating joint (230) is sleeved outside the first screw (220); A frame (240) is provided on one side of the upright plate (110), and the second rotating joint (230) is rotatably connected to the frame (240). Limiting grooves (241) are provided on both sides of the frame (240). The first movable block (250) is slidably disposed within the frame (240), and the two sides of the first movable block (250) are slidably connected to two limiting grooves (241). The second screw (260) is threaded through the top of the frame (240), and the bottom end of the second screw (260) extends into the frame (240) and is rotatably connected to the top of the first moving block (250); A connecting shaft (270) is fixedly connected within a first movable block (250); Side roller (280) is rotatably connected to the outer end of connecting shaft (270).

3. The elevator roller guide shoe according to claim 2, characterized in that, A first telescopic rod (290) is rotatably connected to one side of the upright plate (110), and the extended end of the first telescopic rod (290) is rotatably connected to the second rotating joint (230).

4. The elevator roller guide shoe according to claim 2, characterized in that, The side rolling assembly (200) is configured as two parts, upper and lower, which are arranged opposite to each other. The two frames (240) inside are fixedly connected. The side rolling assembly (200) and the upright plate (110) are divided into two groups, left and right, which are arranged opposite to each other. The elevator guide rail is limited to sliding between the two groups of side rollers (280).

5. The elevator roller guide shoe according to claim 1, characterized in that, A second telescopic rod (350) is rotatably connected to one side of the support plate (310), and the extended end of the second telescopic rod (350) is rotatably connected to the second moving block (330).

6. The elevator roller guide shoe according to claim 5, characterized in that, The second telescopic rod (350) is threaded with a positioning bolt (351).

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