Vertical elevator chain

Abstract

The utility model discloses a vertical elevator chain which comprises a pair of inner chain plates and a pair of outer chain plates, reinforcing plates are connected between the two sets of inner chain plates and the two sets of outer chain plates, shaft pins are arranged in the two sets of inner chain plates, the reinforcing plates and the outer chain plates, rollers are arranged on the inner sides of every two sets of shaft pins in a sleeved mode, and the rollers are arranged on the outer sides of the two sets of shaft pins in a sleeved mode. The roller is arranged between the two sets of inner chain plates, and an oil injection hole is formed in one end of the reinforcing plate. According to the utility model, the synchronously rotating auxiliary disc is arranged on the outer side of the shaft pin for guiding and limiting, so that the shaft pin drives the auxiliary disc to rotate while driving, and the limiting groove on the inner side surface of the auxiliary disc is kept stable under the guiding of the first ball and the second ball, so that the chain obtains auxiliary guiding and limiting functions during working; and the situation that the roller structure in the chain cannot be kept vertical and synchronous due to position deviation of the roller from the axis in the long-term use process, and the stability and safety of chain transmission are affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain tool technical field, concretely is a vertical elevator chain. BACKGROUND

[0002] Chain is generally metal chain ring or annular, is used for mechanical transmission, traction. Chain-shaped object for obstructing traffic passage, such as in the street, river or harbor entrance, mechanical transmission chain, and transmission chain is often encountered in daily life, chain no matter is used in where, all need lubrication. Transmission chain requires that lubricating oil has good oiliness and penetration ability, can be firmly adsorbed on the inner and outer surfaces of the chain, can penetrate into each friction link of the chain ring, and cannot be thrown off by the centrifugal force of the chain or squeezed out of the friction surface;

[0003] The chain is mainly provided with bearing block, oil-soaked cotton block and wear plate, which is convenient for the device to be soaked in lubricating oil during use, so that the oil-soaked cotton can automatically lubricate the teeth when the teeth are compressed during operation, and the wear plate can replace the chain plate to bear wear when the teeth and the chain are engaged, thereby improving the wear resistance of the chain. But in the actual use of the device, there are still the following defects:

[0004] The above-mentioned patent mainly lubricates the teeth through the lubricating structure of the teeth, which is convenient for the wear plate to replace the chain plate to bear wear and increase the wear resistance of the chain. However, in actual use of the chain, multiple rollers inside the chain are usually relied on for transmission and guidance. When multiple rollers are actually used for transmission, they will generate a lot of pressure and stress, which will cause wear and impact on the axial position of the roller. In the long-term use process, the roller will protrude from the installation position in the shaft hole, and the vertical surface of the roller assembled on the shaft will be uneven, which will affect the stability and safety of the chain lifting transmission. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a vertical elevator chain to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vertical elevator chain, comprising inner chain plates and outer chain plates, the inner chain plates and the outer chain plates are each a pair, two groups of the inner chain plates and the outer chain plates are connected with reinforcing plates, the inner part of the two groups of the inner chain plates, the reinforcing plates and the outer chain plates is provided with shaft pins, and the inner side of every two groups of the shaft pins is provided with a roller, and the roller is arranged between the two groups of inner chain plates.

[0007] One end of the reinforcing plate is provided with an oil injection hole, an oil storage cavity is arranged in the inner side of the oil injection hole, and the tail end of the inner side of the oil storage cavity is respectively provided with two groups of oil absorption layers and lubricating layers, and the lubricating layers are in communication with the shaft holes, the top and bottom of the inside of the reinforcing plate are sleeved with two groups of first and second balls, two groups of auxiliary discs are installed on the outer side of the shaft pins, the two groups of auxiliary discs are in close contact with the first balls, and limit grooves are arranged on the outer side of the two groups of auxiliary discs and in guided connection with the first balls.

[0008] Preferably, the oil storage cavity is in H-shaped structure, the two groups of lubricating layers are arranged at the top and bottom of one side of the oil storage cavity, and the two groups of oil absorption layers are arranged at the top and bottom of the other side of the oil storage cavity, so as to facilitate the spreading and diffusion of lubricating oil and lubricate the shaft holes and the first balls respectively.

[0009] Preferably, the oil injection hole is in communication with the oil storage cavity, and a sealing plug is arranged on the inner side of the oil injection hole, so as to facilitate oil injection operation on the internal oil layer, thereby facilitating oil lubrication of the structure.

[0010] Preferably, the auxiliary disc is installed on the outer side of the shaft pin and rotates synchronously, and the auxiliary disc and the limit groove are respectively in limit sliding connection with the first ball and the second ball, so as to improve the limit effect of the roller structure and avoid position deviation and dislocation of the roller.

[0011] Preferably, the outer side of the oil absorption layer is provided with a leakage hole, and the first ball is in extrusion contact with the leakage hole of the outer layer of the oil absorption layer, so as to facilitate the extension of the lubricating oil of the first ball through the setting of the leakage hole, and then lubricate the limit structure.

[0012] Preferably, the outer side of the second ball is provided with a connecting installation cover, and the installation cover is fixedly arranged at the top and bottom of the outer chain plate, so as to facilitate disassembly and maintenance of the structure.

[0013] Preferably, the shaft pin is movably sleeved in the inner side of the shaft hole and the lubricating layer, and the lubricating layer is in communication with the oil storage cavity, so as to facilitate diffusion of the lubricating oil and lubrication of the transmission structure, thereby prolonging the service life of the structure.

[0014] Preferably, the outer side of the roller is provided with a wear-resistant layer, so as to improve the wear resistance and service life of the roller.

[0015] The vertical hoist chain provided by the utility model has at least the following beneficial effects:

[0016] 1. The auxiliary disc is guided and limited by synchronous rotation outside the shaft pin, the shaft pin is driven to rotate the auxiliary disc at the same time, and the limiting groove on the inner side of the auxiliary disc is kept stable under the guidance of the first and second balls, so that the chain is assisted and limited during work, the position deviation of the roller from the shaft center during long-term use is avoided, the structure of the roller in the chain cannot be kept vertical and synchronous, the stability and safety of the chain transmission are affected, the oil layer structure of the oil storage cavity is used to facilitate the injection of lubricating oil, the oil is uniformly spread around, the oil is introduced into the oil absorption layer, the contact and rolling of the limiting groove and the first ball are matched, the first ball is used to absorb oil and lubricate the auxiliary disc structure, and the safety and stability of the chain transmission are further improved.

[0017] 2. The inner chain plate, the outer chain plate and the reinforcing plate are connected and matched, the roller is stably rotated under the sleeve of the shaft pin and the shaft hole, the oil layer structure of the oil storage cavity is used to facilitate the injection of lubricating oil, the oil is uniformly spread around and covered in the lubricating layer, and then the transmission positions of the shaft hole and the shaft pin are uniformly lubricated, so that the wear degree of the roller is reduced, and the service life of the chain roller during long-term use is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a chain perspective view of the utility model;

[0019] Figure 2 It is a chain local main view of the utility model;

[0020] Figure 3 It is a chain local main view of the utility model; Figure 2 The structure of A of the utility model is enlarged and schematically shown.

[0021] In the drawing: 1, inner chain plate; 2, roller; 3, outer chain plate; 4, reinforcing plate; 5, oil injection hole; 6, shaft pin; 7, oil storage cavity; 8, shaft hole; 9, first ball; 10, oil absorption layer; 11, auxiliary disc; 12, limiting groove; 13, second ball; 14, lubricating layer. DETAILED DESCRIPTION

[0022] The technical scheme 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, 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 belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-3The utility model provides an embodiment: a vertical hoist chain, including inner chain board 1 and outer chain board 3, and the inner chain board 1 and outer chain board 3 are a pair respectively, and the two groups of inner chain board 1 are connected with the reinforcing plate 4 between the outer chain board 3, and the inside of two groups of inner chain board 1 and reinforcing plate 4 and outer chain board 3 are provided with shaft pin 6, and the inside of every two groups of shaft pin 6 is equipped with the cylinder 2, and the cylinder 2 is set between the two groups of inner chain board 1, and the outside of cylinder 2 is equipped with wear -resisting layer, improves the wear resistance and life of cylinder 2,

[0024] The one end of reinforcing plate 4 is provided with oil injection hole 5, and the inside of oil injection hole 5 is provided with oil storage cavity 7, and the distal end of the inside of oil storage cavity 7 is respectively provided with two groups of oil absorption layer 10 and lubricating layer 14, and lubricating layer 14 and shaft hole 8 are in communication, and oil injection hole 5 and oil storage cavity 7 are in communication, and the inside of oil injection hole 5 is provided with sealing plug, and the inside oil layer is injected, so as to lubricate the structure by using oil.

[0025] The one end of reinforcing plate 4 is provided with oil injection hole 5, and the inside of oil injection hole 5 is provided with oil storage cavity 7, and the distal end of the inside of oil storage cavity 7 is respectively provided with two groups of oil absorption layer 10 and lubricating layer 14, and lubricating layer 14 and shaft hole 8 are in communication, and the inside of reinforcing plate 4 is provided with two groups of first ball bearing 9 and second ball bearing 13 on the top and bottom, and the outside of two groups of shaft pin 6 is provided with auxiliary disc 11, and the two groups of auxiliary disc 11 and first ball bearing 9 are in close contact, and the outside of two groups of auxiliary disc 11 is provided with limiting groove 12, and limiting groove 12 and first ball bearing 9 are in guiding cooperation, and the outside of second ball bearing 13 is provided with mutually connected mounting cover, and the mounting cover is fixedly arranged on the top and bottom of outer chain board 3, so as to facilitate the structure disassembly and maintenance.

[0026] The inside of shaft pin 6 is movably sleeved in shaft hole 8 and lubricating layer 14, and lubricating layer 14 and oil storage cavity 7 are in communication, so as to diffuse the lubricating oil, lubricate the transmission structure and prolong the service life of the structure.

[0027] Embodiment 1, as shown in Figures 1-3 The oil storage cavity 7 is H-shaped structure, and the two groups of lubricating layer 14 are arranged on the top and bottom of one side of the oil storage cavity 7, and the two groups of oil absorption layer 10 are arranged on the top and bottom of the other side of the oil storage cavity 7, so as to facilitate the oil to spread uniformly around during the oil injection operation, and the oil is immersed in the lubricating layer 14 to lubricate the connection between the shaft pin 6 and the shaft hole 8, and the oil is immersed in the oil absorption layer 10, so as to lubricate the first ball bearing 9 and the auxiliary disc 11 in limiting cooperation with the first ball bearing 9, and improve the stability and limiting effect in the communication transmission process.

[0028] Embodiment 2, as shown in Figures 2-3As shown, the auxiliary disc 11 is mounted on the outer side of the shaft pin 6 to rotate synchronously, the auxiliary disc 11 and the limiting groove 12 are respectively limited to slide with the first ball 9 and the second ball 13, and the two groups of shaft pins 6 are connected and driven on the shaft center of the shaft hole 8, so that the drum 2 is movable on the inner side of the inner chain plate 1, the auxiliary disc 11 connected on the outer side of the shaft pin 6 and the limiting groove 12 are guided to contact with the first ball 9 and the second ball 13, the shaft pin 6 is stably rotated under the guidance and limitation of the shaft hole 8, the limiting groove 12 and the first ball 9 and the second ball 13, and the position deviation of the assembly of the drum 2 is inhibited, the vertical planes of the multiple groups of drums 2 are guaranteed to be opposite, and the overall comprehensive strength and safety performance of the chain structure are enhanced.

[0029] Working principle: the chain of the vertical lifting machine;

[0030] When the chain of the vertical lifting machine works, the lubricating oil is injected into the chain through the structure cooperation of the oil injection hole 5 and the oil storage cavity 7, the oil liquid is uniformly spread in the two groups of lubricating layers 14 and the inner layer of the oil absorption layer 10, the rotation of the shaft pin 6 is cooperated, the lubricating oil is uniformly covered in the shaft hole 8, the lubricating effect of the shaft pin 6 is realized, the limiting groove 12 on the outer side of the auxiliary disc 11 is limited under the guidance of the first ball 9 and the second ball 13 through the synchronous rotation of the shaft pin 6, the connection position of the shaft pin 6 and the drum 2 is further position reinforced, the structure deviation is avoided, when the limiting groove 12 contacts with the first ball 9, the oil liquid in the oil absorption layer 10 is adsorbed through the rotation of the first ball 9, so that the first ball 9 uniformly spreads the lubricating oil on the inner side of the limiting groove 12, so as to improve the comprehensive strength and stability effect of the drum 2 transmission through the cooperation of the auxiliary guide structure and the self-lubricating structure arranged in the chain, and improve the safety of the chain work.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the features to which the reference signs are directed.

[0032] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms connected and connected should be broadly understood, for example, it can be fixedly connected, can also be detachably connected;Can be mechanically connected, can also be electrically connected;It can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A vertical lifting machine chain, comprising an inner chain plate (1) and an outer chain plate (3), characterized in that: The inner chain plate (1) and the outer chain plate (3) are each a pair. A reinforcing plate (4) is connected between the two sets of inner chain plates (1) and the outer chain plate (3). A shaft pin (6) is opened inside the two sets of inner chain plates (1) and the reinforcing plate (4) and the outer chain plate (3). A roller (2) is sleeved on the inner side of each pair of shaft pins (6). The roller (2) is arranged between the two sets of inner chain plates (1). One end of the reinforcing plate (4) is provided with an oil injection hole (5), and an oil storage cavity (7) is provided inside the oil injection hole (5). The end of the oil storage cavity (7) is provided with two sets of oil absorption layers (10) and lubrication layers (14). The lubrication layers (14) are connected to the shaft hole (8). The top and bottom of the reinforcing plate (4) are fitted with two sets of first balls (9) and second balls (13). The outer sides of the two sets of shaft pins (6) are equipped with auxiliary disks (11). The two sets of auxiliary disks (11) are in close contact with the first balls (9). The outer sides of the two sets of auxiliary disks (11) are provided with limiting grooves (12), and the limiting grooves (12) are guided and cooperated with the first balls (9).

2. The vertical lifting machine chain according to claim 1, characterized in that: The oil storage cavity (7) has an H-shaped structure. Two sets of lubricating layers (14) are disposed on the top and bottom of one side of the oil storage cavity (7), and two sets of oil-absorbing layers (10) are disposed on the top and bottom of the other side of the oil storage cavity (7).

3. The vertical lifting machine chain according to claim 1, characterized in that: The oil injection hole (5) is connected to the oil storage cavity (7), and a sealing plug is provided on the inner side of the oil injection hole (5).

4. The vertical lifting machine chain according to claim 1, characterized in that: The auxiliary disk (11) is installed on the outside of the shaft pin (6) and rotates synchronously. The auxiliary disk (11) and the limiting groove (12) slide relative to the first ball (9) and the second ball (13) respectively.

5. The vertical lifting machine chain according to claim 1, characterized in that: The outer side of the oil-absorbing layer (10) is provided with leakage holes, and the first ball (9) is pressed into contact with the leakage holes of the outer layer of the oil-absorbing layer (10).

6. The vertical lifting machine chain according to claim 1, characterized in that: The second ball (13) has an interconnected mounting cover on its outer side, and the mounting cover is fixedly installed on the top and bottom of the outer chain plate (3).

7. The vertical lifting machine chain according to claim 1, characterized in that: The pin (6) is movably sleeved on the inner side of the shaft hole (8) and the lubrication layer (14), and the lubrication layer (14) is in communication with the oil reservoir (7).

8. The vertical lifting machine chain according to claim 1, characterized in that: The outer side of the roller (2) is provided with a wear-resistant layer.

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