Traction sheave formed by integral casting

Abstract

The utility model discloses an integrated casting forming traction wheel which comprises a traction wheel body, a circular through groove which is formed in the traction wheel body in a left-right communicating mode, a shaft part is arranged in the circular through groove, an annular supporting pile is arranged between the shaft part and the annular inner wall of the circular through groove, and an oil injection mechanism is arranged on the annular side wall of the shaft part. And the oil injection mechanism is communicated with the annular inner wall of the shaft part. Lubricating oil is injected into the cavity along the two oil injection holes, so that the lubricating oil flows into the oil seepage holes distributed at equal intervals along the inclined bottom of the cavity, the lubricating oil permeates into the inner side of the shaft part along the oil seepage holes, and the internal lubricating effect is improved; the multiple T-shaped cooling fins are matched with the screws to be fixed in the multiple circular ventilation holes correspondingly, so that the circular ventilation holes are matched with the T-shaped cooling fins of the aluminum-copper alloy product and the multiple cooling holes, heat generated during operation of the traction wheel body is rapidly conducted and dissipated, and the internal cooling effect of the traction wheel body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of traction wheels, in particular to an integrated cast traction wheel. Background Art

[0002] The traction sheave is the rope pulley on the traction machine. It is the device for transmitting traction power for the elevator. It uses the friction between the traction wire rope and the rope groove on the traction wheel rim to transmit power. The common traction sheave is divided into two parts: the drum and the rim. The outer rim and the inner drum are assembled and connected together with hinged bolts.

[0003] In actual use, the lubricating oil of the existing integrated traction wheel can only be injected onto the edge of the shaft, and the internal lubrication effect is poor, and the internal heat dissipation effect is poor. An integrated cast traction wheel is now proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies and defects in the prior art, the utility model proposes an integrally cast traction wheel, which is used to solve the technical problems that the existing integral traction wheel in the background technology can only be injected into the edge of the shaft during actual use, resulting in poor internal lubrication effect and poor internal heat dissipation effect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An integrally cast traction wheel comprises a traction wheel body, a circular through groove connected to the left and right sides of the traction wheel body, a shaft portion is arranged in the circular through groove, an annular support pile is arranged between the shaft portion and the annular inner wall of the circular through groove, an oil injection mechanism is arranged on the annular side wall of the shaft portion, the oil injection mechanism is connected to the annular inner wall of the shaft portion, a plurality of circular ventilation holes distributed in a cross shape are arranged on the annular support pile, and a heat dissipation component is arranged on the annular inner wall of the shaft portion facing the circular ventilation holes.

[0007] Preferably, the shaft portion and the annular support pile are integrally formed with the traction sheave body.

[0008] Preferably, the oil filling mechanism includes two oil filling holes arranged on the annular side wall of the shaft portion, the two oil filling holes are respectively arranged near the left and right ends of the shaft portion, two symmetrically distributed valves are fixedly connected to the annular inner walls of the two oil filling holes, the valves are arranged near the annular side wall of the shaft portion, a cavity is provided in the annular side wall of the shaft portion, the bottoms of the two oil filling holes are connected to the top surface of the cavity, and a plurality of oil seepage holes are provided on the bottom of the cavity.

[0009] Preferably, the valve is made of corrosion-resistant rubber, the cavity is inclined toward the bottom of the center, and the apertures of the plurality of oil seepage holes are equal and are distributed at equal intervals.

[0010] Preferably, the heat dissipation assembly includes a T-shaped heat sink arranged on the annular inner wall of the shaft portion opposite the circular ventilation hole, the T-shaped heat sink is fixed to the annular inner wall of the circular ventilation hole by screws, and a plurality of heat dissipation holes are arranged on the vertical section of the T-shaped heat sink.

[0011] Preferably, the T-shaped heat sink is made of aluminum-copper alloy.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By injecting the lubricating oil into the cavity along the two oil injection holes, the lubricating oil flows along the inclined bottom of the cavity to a number of equally spaced oil seepage holes, and the lubricating oil penetrates into the inner side of the shaft along the oil seepage holes, thereby improving the internal lubrication effect.

[0014] 2. By fixing a plurality of T-shaped heat sinks in a plurality of circular ventilation holes with screws, the circular ventilation holes are matched with the T-shaped heat sinks and a plurality of heat dissipation holes made of aluminum-copper alloy, so as to quickly conduct and dissipate the heat generated during the operation of the traction wheel body, thereby improving the internal heat dissipation effect of the traction wheel body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A perspective schematic diagram of an integrally cast traction sheave proposed by the utility model;

[0016] Figure 2 This is a schematic structural diagram of an integrated cast traction wheel proposed by the utility model;

[0017] Figure 3 for Figure 1 A partial enlarged view of the middle A;

[0018] Figure 4 for Figure 1 A partial enlarged view of point B in the middle;

[0019] Figure 5 The utility model is a schematic structural diagram of an integrated cast traction sheave heat dissipation assembly.

[0020] In the figure: 1 traction wheel body, 2 circular through groove, 3 shaft portion, 4 annular support pile, 5 circular ventilation hole, 6 oil injection hole, 7 valve, 8 cavity, 9 oil seepage hole, 10 T-type heat sink, 11 screw, 12 heat dissipation hole. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-5 A one-piece cast traction wheel comprises a traction wheel body 1, a circular through groove 2 which is connected to the left and right sides of the traction wheel body 1, a shaft 3 is arranged in the circular through groove 2, an annular support pile 4 is arranged between the shaft 3 and the annular inner wall of the circular through groove 2, the shaft 3 and the annular support pile 4 are both integrally formed with the traction wheel body 1, an oil injection mechanism is arranged on the annular side wall of the shaft 3, the oil injection mechanism is connected to the annular inner wall of the shaft 3, the oil injection mechanism comprises two oil injection holes 6 arranged on the annular side wall of the shaft 3, the two oil injection holes 6 are respectively arranged near the left and right ends of the shaft 3, two symmetrically distributed valves 7 are fixedly connected to the annular inner walls of the two oil injection holes 6, and the two corrosion-resistant rubber valves 7 in the oil injection holes 6 can prevent the injection of oil. The lubricating oil in the hole 6 overflows, and at the same time, impurities are prevented from entering the oil filling hole 6 to cause blockage. The valve 7 is arranged close to the annular side wall of the shaft portion 3, and a cavity 8 is arranged in the annular side wall of the shaft portion 3. The bottoms of the two oil filling holes 6 are connected to the top surface of the cavity 8, and a plurality of oil seepage holes 9 are arranged on the bottom of the cavity 8. The lubricating oil is injected into the cavity 8 along the two oil filling holes 6 by using a syringe, so that the lubricating oil flows along the inclined bottom of the cavity 8 to a plurality of oil seepage holes 9 arranged at equal intervals, and the lubricating oil penetrates into the inner side of the shaft portion 3 along the plurality of oil seepage holes 9, thereby improving the lubrication effect of the inner side of the shaft portion 3. The valve 7 is a corrosion-resistant rubber product, and the cavity 8 is inclined toward the bottom of the center position. The apertures of the plurality of oil seepage holes 9 are equal and are evenly spaced.

[0024] A plurality of circular ventilation holes 5 distributed in a cross shape are provided on the annular support pile 4. A heat dissipation component is provided on the annular inner wall of the plurality of circular ventilation holes 5 facing the shaft portion 3. The heat dissipation component includes a T-shaped heat sink 10 arranged on the annular inner wall of the circular ventilation hole 5 facing the shaft portion 3. The T-shaped heat sink 10 is fixed to the annular inner wall of the circular ventilation hole 5 by means of screws 11. The plurality of T-shaped heat sinks 10 are respectively fixed to the annular inner walls of the plurality of circular ventilation holes 5 facing the shaft portion 3 in conjunction with the plurality of screws 11, so that the circular ventilation hole 5 cooperates with the T-shaped heat sink 10 and the plurality of heat dissipation holes 12 made of aluminum-copper alloy, so as to quickly conduct and dissipate the heat generated during the operation of the traction wheel body 1, thereby improving the internal heat dissipation effect of the traction wheel body 1. A plurality of heat dissipation holes 12 are provided on the vertical section of the T-shaped heat sink 10, and the T-shaped heat sink 10 is made of aluminum-copper alloy.

[0025] When the utility model is in use, a plurality of T-shaped heat sinks 10 are respectively fixed on the annular inner walls of the plurality of circular ventilation holes 5 facing the shaft portion 3 in cooperation with a plurality of screws 11, so that the circular ventilation holes 5 cooperate with the T-shaped heat sinks 10 and the plurality of heat dissipation holes 12 made of aluminum-copper alloy, and the heat generated during the operation of the traction wheel body 1 is quickly conducted and dissipated, thereby improving the internal heat dissipation effect of the traction wheel body 1, and the lubricating oil is injected into the cavity 8 along the two oil injection holes 6 by using a syringe, so that the lubricating oil flows along the inclined bottom of the cavity 8 to the plurality of oil seepage holes 9 arranged at equal intervals, and the lubricating oil penetrates into the inner side of the shaft portion 3 along the plurality of oil seepage holes 9, thereby improving the lubrication effect of the inner side of the shaft portion 3.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integrally cast traction wheel, comprising a traction wheel body (1), the traction wheel body (1) being provided with a circular through groove (2) connected to the left and right, a shaft (3) being provided in the circular through groove (2), an annular support pile (4) being provided between the shaft (3) and the annular inner wall of the circular through groove (2), characterized in that: An oil injection mechanism is provided on the annular side wall of the shaft portion (3), and the oil injection mechanism is connected to the annular inner wall of the shaft portion (3). The annular support pile (4) is provided with a plurality of circular ventilation holes (5) distributed in a cross shape, and a plurality of the circular ventilation holes (5) are provided with heat dissipation components on the annular inner wall of the shaft portion (3) facing the annular inner wall.

2. The one-piece cast traction sheave according to claim 1, characterized in that: The shaft portion (3) and the annular support pile (4) are both integrally formed with the traction wheel body (1).

3. The one-piece cast traction sheave according to claim 1, characterized in that: The oil injection mechanism comprises two oil injection holes (6) arranged on the annular side wall of the shaft portion (3), the two oil injection holes (6) being arranged close to the left and right ends of the shaft portion (3), respectively, two symmetrically distributed valves (7) being fixedly connected to the annular inner walls of the two oil injection holes (6), the valves (7) being arranged close to the annular side wall of the shaft portion (3), a cavity (8) being arranged in the annular side wall of the shaft portion (3), the bottoms of the two oil injection holes (6) being arranged in communication with the top surface of the cavity (8), and a plurality of oil seepage holes (9) being arranged on the bottom of the cavity (8).

4. The one-piece cast traction sheave according to claim 3, characterized in that: The valve (7) is made of corrosion-resistant rubber, the cavity (8) is arranged at an inclination toward the bottom of the center, and the apertures of the plurality of oil seepage holes (9) are equal and are arranged at equal intervals.

5. The one-piece cast traction sheave according to claim 1, characterized in that: The heat dissipation assembly comprises a T-shaped heat sink (10) arranged on the annular inner wall of the circular ventilation hole (5) facing the shaft portion (3); the T-shaped heat sink (10) is fixed to the annular inner wall of the circular ventilation hole (5) by means of screws (11); and a plurality of heat dissipation holes (12) are arranged on the vertical section of the T-shaped heat sink (10).

6. The one-piece cast traction sheave according to claim 5, characterized in that: The T-shaped heat sink (10) is made of an aluminum-copper alloy.

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