Thin type lifting beam lifting chain anti-falling device

Abstract

The utility model belongs to the technical field of chain falling prevention, and particularly discloses a thin type lifting beam lifting chain falling prevention device which comprises a chain wheel and a chain which are connected in a sleeved mode, a pair of limiting baffles are symmetrically installed outside the chain wheel, the outer ring sides of the limiting baffles extend to the outer end of the outer ring side of the chain wheel, and suspension grooves are formed in the upper ends of the inner sides of the limiting baffles. On one hand, through the arrangement of the limiting baffles, axial limiting can be effectively generated, and the situation that the chain tilts towards the two sides and jumps out in the transmission process is avoided; on the other hand, the self-lubricating assembly is combined with the ash removal assembly to jointly form limiting protection in the transmission process of the chain and the chain wheel, meanwhile, the double effects of lubricating and ash removal can be provided, and the phenomena of transmission clamping stagnation and abnormal abrasion are avoided; and the stability and the safety of the thin hoisting beam hoisting chain in the operation process are achieved through the combination of the two.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain anti -drop technical field especially, relates to a thin type hoist beam hoist chain anti -drop device. BACKGROUND

[0002] The thin type hoist beam hoist heavy object is through the piston rod of jack extension, and the end sprocket rotation winding chain on it makes heavy object lift, sometimes when hoisting heavy object, the sprocket will have certain inclination, lead to the chain in the movement process and separate from the sprocket and cause the jamming phenomenon, possibly cause the damage of other device;

[0003] Referring to the disclosure of a kind of chain anti -drop device of application No. 202321916075.5, solve the phenomenon that chain may appear in the running process, but it is difficult to achieve the effective support of vertical suspension chain by setting a support structure in the horizontal suspension middle part of chain, the axial swing in hoisting displacement process and the inclination process of sprocket still lead to chain falling off;

[0004] In view of the above technical defects, a solution is proposed. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of thin type hoist beam hoist chain anti -drop device, to solve the problem that the axial swing in hoisting displacement process and the inclination process of sprocket still lead to chain falling off.

[0006] The purpose of the utility model can be realized by the following technical scheme: a kind of thin type hoist beam hoist chain anti -drop device, including chain wheel and chain that are nested, the outside of chain wheel is symmetrically equipped with a pair of limit baffle, the outer ring side of limit baffle extends to the outer end of the outer ring side of chain wheel, the upper end of the inner side of limit baffle is equipped with suspension groove;

[0007] The limit baffle is suspended with self-lubricating assembly through suspension groove, the self-lubricating assembly includes suspension coating seat, the lower side of suspension coating seat is equipped with horizontal coating wool that is contacted with chain, the inner side of the upper end of suspension coating seat is equipped with vertical coating wool that is contacted with chain, the horizontal coating wool and vertical coating wool are contacted with chain by pre-injection of lubricating oil with injector, to facilitate the smearing of lubricating oil when the horizontal coating wool and vertical coating wool are contacted with chain.

[0008] The upper end between the outer ring side of limit baffle is commonly equipped with ash removal component, the ash removal component includes dust removal cover, the both ends of dust removal cover are equipped with ash removal brush corresponding to the outer surface of chain.

[0009] Preferably, a pair of limit baffles are equipped with mounting hole corresponding to the outer edge of chain wheel, and the limit baffles are equipped with locking bolt that is threadedly connected with chain wheel through mounting hole.

[0010] Preferably, the middle part between the chain wheel and the pair of limiting baffle plates is jointly provided with a bearing rod, and the chain wheel rotates between the pair of limiting baffle plates through the bearing rod.

[0011] Preferably, the middle part outside the suspension coating seat is provided with a connecting ring matched with the suspension groove, the connecting ring extends into the suspension groove, and a disc spring ring set is mounted at one end of the connecting ring in the suspension groove and is arranged in a stacked manner and connected with the top wall in the suspension groove.

[0012] Preferably, the middle part of the outer ring end of the chain wheel is provided with an embedding groove for matching embedding when the chain passes through.

[0013] Preferably, the outer edge of the limiting baffle plate is provided with an outer clamping groove, and the outer end of the dust cover is provided with an outer clamping strip matched with the outer clamping groove, and the dust cover is a cladding type arc-shaped cover body structure.

[0014] The utility model discloses beneficial effects:

[0015] (1) the utility model discloses a limiting baffle plate setting, can effectively make its axial location, avoid the chain in the transmission process to two sides skew " jump out " situation, through the engagement transmission process of chain and chain wheel, with the suspension setting of suspension coating seat, the synchronous setting of horizontal coating wool and vertical coating wool is completed, when the chain is engaged transmission outside the chain wheel, with the horizontal coating wool and vertical coating wool synchronous contact mode, the continuous oiling of chain is completed, reduces the transmission friction between chain and chain wheel, reduces the abrasion abnormal sound and consumption.

[0016] (2) in the transmission process of chain and chain wheel, radial runout situation is inevitable, when, the transmission of chain can make disc spring ring set complete adaptability shift, avoid the transmission jam under the condition that normal lubricating oil is applied, through the limiting baffle plate between the effective transmission location of chain and chain wheel again, and through the dust cover that is jointly arranged between the top of limiting baffle plate, the dust removal brush on dust cover always completes contact with the chain in transmission, since the chain has completed the work of lubricating oil smearing, in combination with the brushing of dust removal brush, the uniform smearing of lubricating oil can be realized, and the dust and impurities adhered to the surface of chain can also be cleaned, so that the transmission obstruction phenomenon is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings below;

[0018] Figure 1 It is the structure perspective drawing of the whole utility model;

[0019] Figure 2 It is the structure split schematic view of chain and chain wheel of the utility model;

[0020] Figure 3It is the partial structure side view section view schematic drawing of the utility model;

[0021] Figure 4 It is the structure split schematic drawing of the self-lubricating assembly of the utility model;

[0022] Figure 5 It is the installation structure schematic drawing of the suspension coating seat of the utility model;

[0023] Figure 6 It is the installation structure split schematic drawing of the ash removal assembly of the utility model.

[0024] Legend: 1, limit baffle; 2, chain wheel; 3, chain; 4, bearing rod; 5, locking bolt; 6, dust cover; 7, ash removal brush; 8, suspension groove; 9, embedded groove; 10, suspension coating seat; 11, connecting ring; 12, disc spring ring group; 13, horizontal coating wool; 14, vertical coating wool; 15, outer clamping groove; 16, outer clamping strip; 17, mounting hole. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of protection of the utility model.

[0026] Embodiment one: the embodiment is used to solve the problem that axial swing and chain wheel tilting process still cause chain to fall off in the process of lifting and moving.

[0027] Please refer to Figure 1 - Figure 6 As shown in the drawing, the embodiment is a thin lifting beam lifting chain anti-falling device, which comprises chain wheel 2 and chain 3 connected in series, a pair of limit baffle 1 is symmetrically installed outside chain wheel 2, a pair of limit baffle 1 is provided with mounting hole 17 at the outer edge of chain wheel 2, limit baffle 1 is installed with locking bolt 5 connected with chain wheel 2 through mounting hole 17, bearing rod 4 is installed between chain wheel 2 and a pair of limit baffle 1, chain wheel 2 rotates between a pair of limit baffle 1 through bearing rod 4;

[0028] The outer ring side of the limiting baffle 1 extends to the outer end of the outer ring side of the chain wheel 2, the upper end of the inner side of the limiting baffle 1 is provided with a suspension groove 8, the self-lubricating assembly is suspendedly arranged through the suspension groove 8, the self-lubricating assembly comprises a suspension coating seat 10, the lower side of the suspension coating seat 10 is provided with a transverse coating wool 13 in contact with the chain 3, the inner side of the upper end of the suspension coating seat 10 is provided with a longitudinal coating wool 14 in contact with the chain 3, wherein the transverse coating wool 13 and the longitudinal coating wool 14 are pre-injected with lubricating oil through a syringe to facilitate the application of the lubricating oil when the chain 3 contacts the transverse coating wool 13 and the longitudinal coating wool 14.

[0029] The middle part of the outer side of the suspension coating seat 10 is provided with a connecting ring 11 matched with the suspension groove 8, one end of the connecting ring 11 extending into the suspension groove 8 is provided with a disc spring ring group 12, the disc spring ring group 12 is stacked and arranged and the top end is connected with the top wall in the suspension groove 8, when the suspension coating seat 10 is vibrated by the chain 3, the disc spring ring group 12 provides deformation adaptation, and when the chain 3 radially jumps, the oil coating effect can always be achieved.

[0030] As shown in Figure 1 - Figure 4 During normal operation of the chain wheel 2, the chain 3 is driven to complete meshing transmission, the limiting baffle 1 can effectively limit the axial direction to avoid the chain from being skewed and jumping out to the two sides during transmission, and when the chain wheel 2 is tilted, the chain 3 can still be stably limited under the support of the two sides of the limiting baffle 1 to avoid the chain 3 from falling off.

[0031] Furthermore, the self-lubricating assembly is additionally provided, the suspension coating seat 10 is suspendedly arranged to complete the synchronous arrangement of the transverse coating wool 13 and the longitudinal coating wool 14 during the meshing transmission of the chain 3 and the chain wheel 2, when the chain 3 meshes with the chain wheel 2, the transverse coating wool 13 and the longitudinal coating wool 14 are in synchronous contact with the chain 3 to complete the continuous oiling of the chain 3, reduce the transmission friction between the chain 3 and the chain wheel 2, and reduce the abrasion noise and consumption.

[0032] The suspension coating seat 10 is stacked and arranged through the disc spring ring group 12, when the chain 3 and the chain wheel 2 inevitably produce radial jumping during transmission, the transmission of the chain 3 can make the disc spring ring group 12 complete adaptive displacement to avoid transmission jamming under normal application of lubricating oil.

[0033] Example two: based on example one, after completing the self-lubrication of the chain and chain wheel transmission, how to ensure uniform lubrication between the chain and the chain wheel, as follows:

[0034] As shown in Figure 3 、 Figure 4 and Figure 6As shown, the thin lifting beam lifting chain anti-falling device of the embodiment comprises a dust removal assembly arranged between the upper ends of the outer ring side of the limiting baffle 1, the dust removal assembly comprises a dust removal cover 6, dust removal brushes 7 corresponding to the outer surface of the chain 3 are installed at both ends of the dust removal cover 6, a matching groove 9 is formed in the middle of the outer ring end of the chain wheel 2, the matching groove 9 is used for matching and embedding when the chain 3 passes, an outer clamping groove 15 is formed at the outer edge of the outer side of the limiting baffle 1, an outer clamping strip 16 clamped with the outer clamping groove 15 is installed at the outer end of the dust removal cover 6, and the dust removal cover 6 is a cladding type arc-shaped cover body structure.

[0035] As shown in the drawings, Figure 3 - Figure 6 As shown, after the effective transmission limiting between the chain 3 and the chain wheel 2 is formed by the limiting baffle 1, a dust removal cover 6 is arranged between the top of the limiting baffle 1, and the dust removal brushes 7 on the dust removal cover 6 are always in contact with the chain 3 in transmission, so that the chain 3 has completed the work of applying lubricating oil, and the dust and impurities adhered to the surface of the chain 3 can be cleaned at the same time of uniform application of lubricating oil by the brushing of the dust removal brushes 7, thereby avoiding the phenomenon of transmission obstruction.

[0036] It can be known from the combination of the first and second embodiments that, on the one hand, the limiting baffle can effectively produce axial limiting, so as to avoid the chain from being skewed and “jumping out” to both sides in the transmission process; on the other hand, the self-lubricating assembly and the dust removal assembly are combined to form limiting protection of the chain and the chain wheel in the transmission process, and can also provide the dual effects of lubrication and dust removal, thereby avoiding the phenomena of transmission jamming and abnormal wear; the combination of the two achieves the stability and safety of the thin lifting beam lifting chain in the running process.

[0037] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements do not deviate from the structure of the utility model or exceed the range defined by the present application, and should belong to the protection range of the utility model.

Claims

1. A thin lifting beam lifting chain anti-derailment device, comprising a sprocket (2) and a chain (3) sleeved together, characterized in that, A pair of limiting baffles (1) are symmetrically installed on the outside of the sprocket (2). The outer ring side of the limiting baffle (1) extends to the outer end of the outer ring side of the sprocket (2). A suspension groove (8) is provided on the upper end of the inner side of the limiting baffle (1). The limiting baffle (1) is suspended by the suspension groove (8) and has a self-lubricating component. The self-lubricating component includes a suspension coating seat (10). A horizontal coating cotton (13) that contacts the chain (3) is installed on the lower side of the suspension coating seat (10). A longitudinal coating cotton (14) that contacts the chain (3) is installed on the inner side of the upper end of the suspension coating seat (10). A dust removal assembly is provided between the upper ends of the outer ring side of the limiting baffle (1). The dust removal assembly includes a dust removal cover (6), and dust removal brushes (7) corresponding to the outer surface of the chain (3) are installed at both ends of the dust removal cover (6).

2. The anti-derailment device for the lifting chain of a thin lifting beam according to claim 1, characterized in that, A pair of limiting baffles (1) are provided with mounting holes (17) at the outer edge of the sprocket (2), and the limiting baffles (1) are fitted with locking bolts (5) that are threadedly connected to the sprocket (2) through the mounting holes (17).

3. The anti-derailment device for the lifting chain of a thin lifting beam according to claim 1, characterized in that, A bearing rod (4) is installed in the middle between the sprocket (2) and a pair of limiting baffles (1), and the sprocket (2) rotates between the pair of limiting baffles (1) via the bearing rod (4).

4. The anti-derailment device for the lifting chain of a thin lifting beam according to claim 1, characterized in that, A connecting ring (11) matching the suspension groove (8) is installed in the middle of the outer side of the suspension seat (10). A disc spring ring assembly (12) is installed at one end of the connecting ring (11) extending into the suspension groove (8). The disc spring ring assembly (12) is stacked and its top end is connected to the top wall of the suspension groove (8).

5. The anti-derailment device for the lifting chain of a thin lifting beam according to claim 1, characterized in that, The sprocket (2) has a fitting groove (9) in the middle of its outer ring end. The fitting groove (9) is used for matching and fitting when the chain (3) passes through.

6. The anti-derailment device for the lifting chain of a thin lifting beam according to claim 1, characterized in that, An outer slot (15) is provided on the outer edge of the limiting baffle (1), and an outer strip (16) that engages with the outer slot (15) is installed on the outer end of the dust cover (6). The dust cover (6) is a covered arc-shaped cover structure.

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