Compensation chain guiding device

Abstract

The invention discloses a compensation chain guide device, and belongs to the technical field of mechanical engineering. The compensation chain guiding device comprises three rolling wheels, the rolling wheels are sequentially connected end to end, the rolling wheels are rotationally and symmetrically distributed, a connecting piece is arranged on one side of each rolling wheel, a round pipe is fixed to the bottom of each connecting piece and penetrates into a second sleeve, the top face of each second sleeve abuts against the bottom face of the corresponding connecting piece, and the top face of each second sleeve abuts against the bottom face of the corresponding connecting piece. And a first sleeve is arranged between the circular pipe and the second sleeve. The problems that in the prior art, four-roller design is complex, the occupied space is large, large noise and vibration are likely to be generated, and load distribution is uneven are solved. The number of the idler wheels is reduced from four to three, the overall structure is simplified, the production cost is reduced, the stability is improved, the upper round pipe and the lower second sleeve are connected through the first sleeve made of plastic, the drawing force of the idler wheels can be controlled to be a design value, and the overall stability and durability are enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical engineering, in particular to a compensation chain guide device. Background Art

[0002] In traditional elevator guide rail control systems, the compensating chain guide device usually consists of four rollers to ensure smooth operation and precise guidance of the equipment. However, this design has some inherent problems, such as high cost due to complex structure, large space occupation, which limits installation flexibility, and easy noise and vibration during long-term use, which affects the stability of the overall elevator system and user experience. In addition, the design of four rollers sometimes leads to uneven load distribution, which increases maintenance difficulty and the risk of failure. Therefore, an improved solution is urgently needed to optimize the performance of the guide device and solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a compensation chain guide device, which simplifies the overall structure and reduces the materials and components required for manufacturing by reducing the number of rollers from four to three, thereby reducing the production cost. The upper circular tube and the lower second sleeve are connected by a first sleeve made of plastic material, which helps to control the pulling force of the roller within the design value, enhance the overall stability and durability of the compensation chain guide device, and solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A compensation chain guide device includes rollers, wherein three rollers are provided in total, the rollers are connected end to end in sequence, and the rollers are rotationally symmetrically distributed. A connecting piece is provided on one side of the roller, a round tube is fixed to the bottom of the connecting piece, the round tube is inserted into a second sleeve, the top surface of the second sleeve abuts against the bottom surface of the connecting piece, and a first sleeve is provided between the round tube and the second sleeve.

[0006] Preferably, a first connecting plate is fixed to the bottom of the second sleeve, and the second sleeve is installed in the pit through the first connecting plate.

[0007] Preferably, a second connecting plate is provided between adjacent rollers, and the rollers are connected via the second connecting plate. The second connecting plate includes a first plate surface and a second plate surface. The first plate surface and the second plate surface are an integral stamping structure, and an angle between the first plate surface and the second plate surface is 120°.

[0008] Preferably, a mounting hole is provided in the center of the first plate surface and the second plate surface, and bolts are respectively fixed at both ends of the roller. The bolts pass through the mounting hole and are fixed to the first plate surface and the second plate surface through nuts.

[0009] Preferably, the connecting member is fixed to one side of one of the second connecting plates, the connecting member is an upper frame-shaped structure, the two ends of the connecting member are respectively fixed to the first plate surface and the second plate surface, and the connecting member and the first plate surface and the second plate surface are an integrated structure.

[0010] Preferably, the first sleeve is sleeved on the outer wall of the circular tube, the first sleeve is fitted with the side wall of the circular tube, and the second sleeve is sleeved on the outer wall of the first sleeve, the second sleeve is fitted with the side wall of the first sleeve.

[0011] Preferably, the first sleeve is made of plastic.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention simplifies the overall structure and reduces the materials and components required for manufacturing by reducing the number of rollers from four to three, thereby reducing the production cost; the three rollers make the guide device as a whole take up less space during installation, which is particularly suitable for elevator shafts with limited space, and improves the flexibility of equipment layout; an equilateral triangle structure is formed between the rollers, which makes the load distribution more uniform and stable, and can provide better guiding performance than the traditional four-roller distribution, and reduces the wear on the rollers, thereby extending the service life of the overall guide device.

[0014] 2. In the present invention, the upper circular tube and the lower second sleeve are connected by a first sleeve made of plastic material, which helps to control the pull-out force of the roller within the design value, enhance the overall stability and durability of the compensation chain guide device, and ensure precise guidance. At the same time, the first sleeve can absorb noise and vibration during the operation of the elevator, thereby improving the elevator riding experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an exploded view of the overall structure of the present invention;

[0016] Figure 2 A top view of the roller of the present invention;

[0017] Figure 3 This is a disassembly diagram of the round tube and the first sleeve of the present invention;

[0018] Figure 4 This is an axonometric view of the second connecting plate of the present invention.

[0019] In the figure: 1, roller; 2, connecting piece; 3, round tube; 4, first sleeve; 5, second sleeve; 6, first connecting plate; 7, second connecting plate; 8, first plate surface; 9, second plate surface; 10, mounting hole; 11, bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In order to solve the problems of the existing four-roller design being relatively complex, occupying a large space, easily generating large noise and vibration, and uneven load distribution, please refer to Figure 1-4 , this embodiment provides the following technical solutions:

[0022] A compensating chain guide device comprises a roller 1, wherein three rollers 1 are provided, and the rollers 1 are connected end to end in sequence, and the rollers 1 are rotationally symmetrically distributed. A connecting piece 2 is provided on one side of the roller 1, and a round tube 3 is fixed to the bottom of the connecting piece 2, and the round tube 3 is inserted into a second sleeve 5, and the top surface of the second sleeve 5 abuts against the bottom surface of the connecting piece 2, and a first sleeve 4 is provided between the round tube 3 and the second sleeve 5.

[0023] An equilateral triangle structure is formed between the rollers 1, which makes the load distribution more uniform and stable, and can provide better guiding performance compared to the traditional distribution of four rollers 1, while making the entire guiding device more compact, thereby reducing the required space.

[0024] A first connecting plate 6 is fixed to the bottom of the second sleeve 5 , and the second sleeve 5 is installed in the pit through the first connecting plate 6 .

[0025] A second connecting plate 7 is provided between adjacent rollers 1, and the rollers 1 are connected via the second connecting plate 7. The second connecting plate 7 includes a first plate surface 8 and a second plate surface 9. The first plate surface 8 and the second plate surface 9 are an integral stamping structure, and the angle between the first plate surface 8 and the second plate surface 9 is 120°.

[0026] A mounting hole 10 is provided in the middle of the first plate surface 8 and the second plate surface 9 , and bolts 11 are fixed to both ends of the roller 1 . The bolts 11 penetrate through the mounting hole 10 and are fixed to the first plate surface 8 and the second plate surface 9 through nuts.

[0027] The connecting member 2 is fixed to one side of one of the second connecting plates 7. The connecting member 2 is an upper frame-shaped structure. The two ends of the connecting member 2 are respectively fixed to the first plate surface 8 and the second plate surface 9. The connecting member 2 and the first plate surface 8 and the second plate surface 9 are an integrated structure.

[0028] The first sleeve 4 is sleeved on the outer wall of the round tube 3, and the first sleeve 4 fits the side wall of the round tube 3. The second sleeve 5 is sleeved on the outer wall of the first sleeve 4, and the second sleeve 5 fits the side wall of the first sleeve 4. The upper round tube 3 and the lower second sleeve 5 are connected through the first sleeve 4, which helps to control the pulling force of the roller 1 within the design value, enhance the overall stability and durability of the compensation chain guide device, ensure accurate guidance, and improve the shock absorption effect.

[0029] The first sleeve 4 is made of plastic, has shock absorption and vibration isolation functions, and can effectively reduce noise.

[0030] Working principle: Three precisely arranged rollers 1 provide stable guidance, and the upper circular tube 3 and the second sleeve 5 at the bottom are connected by a first sleeve 4 made of plastic material to achieve shock absorption, isolation and noise reduction effects. At the same time, the pulling force of the upper roller 1 assembly is controlled within the design value to ensure smooth and reliable overall operation.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A compensating chain guide device, comprising a roller (1), characterized in that: A total of three rollers (1) are provided, the rollers (1) are connected end to end in sequence, and the rollers (1) are distributed in rotational symmetry. A connecting piece (2) is provided on one side of the roller (1), a round tube (3) is fixed at the bottom of the connecting piece (2), the round tube (3) is inserted into a second sleeve (5), the top surface of the second sleeve (5) is in contact with the bottom surface of the connecting piece (2), and a first sleeve (4) is provided between the round tube (3) and the second sleeve (5).

2. A compensating chain guide device according to claim 1, characterized in that: A first connecting plate (6) is fixed to the bottom of the second sleeve (5), and the second sleeve (5) is installed in the pit via the first connecting plate (6).

3. A compensating chain guide device according to claim 2, characterized in that: A second connecting plate (7) is provided between adjacent rollers (1), and the rollers (1) are connected via the second connecting plate (7). The second connecting plate (7) comprises a first plate surface (8) and a second plate surface (9). The first plate surface (8) and the second plate surface (9) are integrally stamped structures, and an angle between the first plate surface (8) and the second plate surface (9) is 120°.

4. A compensating chain guide device according to claim 3, characterized in that: A mounting hole (10) is provided in the middle of the first plate surface (8) and the second plate surface (9), and bolts (11) are respectively fixed at both ends of the roller (1), and the bolts (11) pass through the mounting hole (10) and are fixed to the first plate surface (8) and the second plate surface (9) via nuts.

5. A compensating chain guide device according to claim 4, characterized in that: The connecting member (2) is fixed to one side of one of the second connecting plates (7); the connecting member (2) is an upper frame-shaped structure; two ends of the connecting member (2) are respectively fixed to the first plate surface (8) and the second plate surface (9); the connecting member (2) and the first plate surface (8) and the second plate surface (9) are an integrated structure.

6. A compensating chain guide device according to claim 5, characterized in that: The first sleeve (4) is sleeved on the outer wall of the circular tube (3), and the first sleeve (4) fits the side wall of the circular tube (3); the second sleeve (5) is sleeved on the outer wall of the first sleeve (4), and the second sleeve (5) fits the side wall of the first sleeve (4).

7. A compensating chain guide device according to claim 6, characterized in that: The first sleeve (4) is made of plastic.

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