Tensioning winch equipment for belt conveyor

Abstract

The utility model discloses tensioning winch equipment for a belt conveyor, which relates to the technical field of tensioning winches, comprises a winding drum device, and is characterized in that a gear cover is arranged outside the winding drum device, a worm gear case is arranged on one side of the winding drum device, a coupling is arranged on one side, far away from the winding drum device, of the worm gear case, and an electro-hydraulic brake is arranged at the top of the coupling. A motor is arranged on the side, away from the worm gear case, of the coupling. According to the utility model, the motor rotates and is decelerated by the worm and the worm gear, so that the main shaft and the winding drum rotate to wind and unwind the steel wire rope, the push rod is lifted and the brake shoe is opened by the electric hydraulic pusher when being powered on, and the push rod is quickly descended and the brake shoe is closed under the action of the spring force when being powered off; the device adopts a one-stage arc worm and worm gear and one-stage gear speed change mode, transmission is stable, the structure is compact, the use space of the device is reduced, and meanwhile, the speed is slow, stable and safe in a mode that the large gear is meshed with the reducer intermediate gear to be driven to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of tension winches, in particular to a tension winch device for a belt conveyor. Background Art

[0002] The tension winches currently used in belt conveyors all include a drum and a power mechanism. The types of the power structure include hydraulic and electric. The drum is driven to rotate by the power mechanism, so as to realize the tension of the belt.

[0003] However, the drum structure in the prior art is relatively simple. In some cases, the belt is too loose, or the tension winch is operated in the opposite direction due to an operation error, which will cause the belt to slip off the drum, directly affecting the normal operation of the tension winch and seriously causing safety accidents. Therefore, in view of the above technical problems, it is necessary to provide a tension winch device for a belt conveyor (specifically refer to the patent number: 202020054417.7), including a base, a tension winch body fixedly connected to the base, a rotating shaft connected to the tension winch body, a pair of fixing frames fixedly connected to the base and matching the rotating shaft, a reel fixedly connected to the rotating shaft, a limiting disc fixedly connected to the fixing frame, and a number of limiting components installed at the edge of the limiting disc. The reel is located between a pair of limiting discs, and a bearing is connected between the fixing frame and the rotating shaft. The limiting component includes a limiting threaded rod, one end of the limiting threaded rod is fixedly connected with a nut, a rotating sleeve is rotatably connected to the limiting threaded rod, and threaded holes matching the limiting threaded rod are drilled on both limiting discs; in the tension winch device for a belt conveyor of the utility model, a detachable limiting device is arranged on the drum, which can limit the belt wound on the drum and prevent the belt from slipping, with high safety.

[0004] Some tension winches on the market currently have a large volume, which makes the transportation of the device inconvenient. At the same time, some tension winch devices for belt conveyors do not have explosion-proof performance of the brake, resulting in the device being inapplicable to coal dust and gas mines, and the scope of application is small. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problems that some tension winches on the market currently have a large volume, which makes the transportation of the device inconvenient, and at the same time, some tension winch devices for belt conveyors do not have explosion-proof performance of the brake, resulting in the device being inapplicable to coal dust and gas mines, and the scope of application is small, and to provide a tension winch device for a belt conveyor.

[0006] To achieve the above object, the utility model provides the following technical solution: A tensioning winch device for a belt conveyor, including a drum device. The drum device includes a drum, a large gear is provided on one side of the drum, a tilting pad bearing seat is provided at the middle position of the large gear, a main shaft is provided at the middle position inside the drum, cylindrical roller bearings are provided at the four corners at the middle position of the main shaft, a gear cover is provided outside the drum device, a worm gear box is provided on one side of the drum device. The worm gear box includes a worm gear box body, a worm is provided inside the worm gear box body, worm gears are provided on both sides of the worm, a cross-over gear is provided at one end of the worm, a coupling is provided on the side of the worm gear box away from the drum device, an electro-hydraulic brake is provided at the top of the coupling, and a motor is provided on the side of the coupling away from the worm gear box, and a base is provided at the bottom of the motor.

[0007] As a further scheme of the utility model: Rolling bearings are provided at both ends of the worm, and an adjusting ring and a set screw are provided at the end face of the rolling bearing.

[0008] As a further scheme of the utility model: An oil filling window and an oil drain hole are provided on the outer surface of the worm gear box body.

[0009] As a further scheme of the utility model: An explosion-proof electro-hydraulic brake is provided inside the motor.

[0010] As a further scheme of the utility model: The base is made by welding channel steel and steel plates, and a steel ring is welded on the top of the base.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: The operation control button realizes the control of the forward, reverse and stop of the motor through the control circuit of the electromagnetic starter. The motor that converts electrical energy into mechanical energy drives the main shaft and the drum to rotate through the reduction of the worm and the worm gear and the first-stage involute external meshing gear drive. The forward and reverse rotations of the drum realize the winding and unwinding of the steel wire rope. When powered on, the electro-hydraulic pusher acts, its push rod quickly rises, and the brake shoe is opened through the lever action. When powered off, the push rod of the electro-hydraulic pusher quickly descends under the action of the spring force, and the brake shoe is closed through the lever action. This device adopts a first-stage arc worm and worm gear and a first-stage gear speed change method, with stable transmission, compact structure, reduced device use space, and at the same time, the rotation mode driven by the meshing of the large gear and the reduction gear is slow, stable and safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the structural schematic diagram of the utility model;

[0013] Figure 2 is the top view schematic diagram of the utility model;

[0014] Figure 3 This is a partial structural schematic diagram of the present utility model;

[0015] Figure 4 This is a structural schematic diagram of the reel device of the present utility model.

[0016] In the figure: 1. Reel device; 101. Reel; 102. Large gear; 103. Tapered tile seat; 104. Cylindrical roller bearing; 105. Main shaft; 2. Gear cover; 3. Worm gear box; 301. Worm; 302. Worm gear; 303. Idler gear; 304. Worm gear box body; 4. Coupling; 5. Electro-hydraulic brake; 6. Motor; 7. Base. Specific embodiments

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Next, the embodiments of the present utility model will be described according to the overall structure of the present utility model.

[0019] Please refer to Figures 1 to 4, in the embodiment of the utility model, a tension winch device for a belt conveyor includes a drum device 1. The drum device 1 includes a drum 101. A large gear 102 is provided on one side of the drum 101. A tilting pad bearing seat 103 is provided at the middle position of the large gear 102. A main shaft 105 is provided at the middle position inside the drum 101. Cylindrical roller bearings 104 are provided at the four corners at the middle position of the main shaft 105. A gear cover 2 is provided outside the drum device 1. A worm gear box 3 is provided on one side of the drum device 1. The worm gear box 3 includes a worm gear box body 304. A worm 301 is provided inside the worm gear box body 304. Worm gears 302 are provided on both sides of the worm 301. A cross-over gear 303 is provided at one end of the worm 301. A coupling 4 is provided on the side of the worm gear box 3 away from the drum device 1. An electro-hydraulic brake 5 is provided on the top of the coupling 4. A motor 6 is provided on the side of the coupling 4 away from the worm gear box 3. A base 7 is provided at the bottom of the motor 6.

[0020] Please refer particularly to Figure 1 and 3 , rolling bearings are provided at both ends of the worm 301, and an adjusting ring and a set screw are provided at the end face of the rolling bearing, which facilitates the adjustment work of the worm 301.

[0021] Please refer particularly to Figure 3 , an oil filling window and an oil drain hole are provided on the outer surface of the worm gear box body 304, which facilitates the addition of lubricating oil and is more convenient to use.

[0022] Please refer particularly to Figure 1 and 2 , an explosion-proof electro-hydraulic brake is provided inside the motor 6 to ensure the safety of the tension winch device for the belt conveyor.

[0023] Please refer particularly to Figure 1 , the base 7 is made of channel steel and steel plates welded together. A steel ring is welded on the top of the base 7 for the installation, fixation, movement and transportation of the winch underground.

[0024] The working principle of the utility model is as follows: Operating the control button realizes the forward, reverse rotation and stop of the motor 6 through the control circuit of the electromagnetic starter. The motor 6 that converts electrical energy into mechanical energy drives the main shaft 105 and the drum 101 to rotate through the reduction of the worm 301 and the worm gear 302 and a pair of involute external meshing gear transmissions. The forward and reverse rotations of the drum 101 thus realize the winding and unwinding of the steel wire rope. When powered on, the electro-hydraulic pusher acts, and its push rod quickly rises and opens the brake shoe through the lever action. When powered off, the push rod of the electro-hydraulic pusher quickly descends under the action of the spring force and closes the brake shoe through the lever action. This device adopts a pair of circular arc worm gears and a pair of gear speed change methods, with stable transmission, compact structure, reducing the use space of the device. At the same time, the rotation mode driven by the meshing of the large gear and the reduction gear meshing gear is slow, stable and safe.

[0025] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A tensioning winch device for a belt conveyor, comprising a drum device (1), characterized in that: The reel device (1) comprises a reel (101), a large gear (102) is provided on one side of the reel (101), an inclined shoe seat (103) is provided at the middle position of the large gear (102), a main shaft (105) is provided at the middle position inside the reel (101), cylindrical roller bearings (104) are provided at the four corners at the middle position of the main shaft (105), a gear cover (2) is provided on the outside of the reel device (1), a worm gear box (3) is provided on one side of the reel device (1), and the worm gear box (3) The invention comprises a worm gear box (304), wherein a worm (301) is arranged inside the worm gear box (304), worm wheels (302) are arranged on both sides of the worm (301), a bridge gear (303) is arranged at one end of the worm (301), a coupling (4) is arranged on the side of the worm gear box (3) away from the reel device (1), an electro-hydraulic brake (5) is arranged on the top of the coupling (4), an electric motor (6) is arranged on the side of the coupling (4) away from the worm gear box (3), and a base (7) is arranged at the bottom of the electric motor (6).

2. A tensioning winch device for a belt conveyor according to claim 1, characterized in that: Both ends of the worm (301) are provided with rolling bearings, and the end faces of the rolling bearings are provided with adjusting rings and set screws.

3. A tensioning winch device for a belt conveyor according to claim 1, characterized in that: The outer surface of the worm gear housing (304) is provided with an oil filling window and an oil drain hole.

4. A tensioning winch device for a belt conveyor according to claim 1, characterized in that: A flameproof electric hydraulic brake is arranged inside the electric motor (6).

5. A tensioning winch device for a belt conveyor according to claim 1, characterized in that: The base (7) is made by welding channel steel and steel plates, and a steel ring is welded on the top of the base (7).

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