CN215756081U

CN215756081U - Hoisting device

Info

Publication number: CN215756081U
Application number: CN202121213578.7U
Authority: CN
Inventors: 栾安科; 张晓琳; 陈涛; 张玉莲; 辛文占; 刘刚亮; 李成立; 于德春
Original assignee: Sinosteel Equipment and Engineering Co Ltd
Current assignee: Sinosteel Equipment and Engineering Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-02-08
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a hoisting device, which is used for hoisting a tensioning device of a belt conveyor, and comprises: the winch is arranged on the ground; the pulley block comprises a plurality of pulleys which are wholly or partially rotationally connected to the lower side of the supporting beam; the first end winding of haulage rope just on the hoist engine the haulage rope is walked around a plurality ofly in proper order the pulley, the hoist engine rotates the rolling during the haulage rope, the haulage rope can hoist overspeed device tensioner. When the conveying belt of the belt conveyor is overhauled, the hoisting device is utilized to hoist the tensioning device, and compared with manual hoisting or hoisting of the tensioning device, the manual strength and the operation difficulty are reduced, and the manpower resource is saved. Moreover, the working of workers at heights is avoided, and the danger of high-altitude working is reduced.

Description

Hoisting device

Technical Field

The utility model relates to the technical field of conveying equipment, in particular to a hoisting device.

Background

The belt conveyor is a material handling machine for continuously conveying materials on a set route, has the advantages of continuous operation, stable work and the like, and is widely applied to industries such as mines, steel, coking, cement and the like. To prevent the conveyor belt from slackening in a long or heavy conveyor, a vertical tensioning device is required to tension the belt down to maintain the belt in tension. Perpendicular straining device includes parts such as weight case, and in the belt conveyor overhaul process, need the manual work to lift up or the manual work lifts up perpendicular straining device to carry out the maintenance of parts such as conveyer belt, the operation difficulty and intensity of labour are great. In addition, when the mounting height of the conveying belt and the vertical tensioning device is high, manual climbing operation is needed, and high-altitude operation danger exists.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a lifting device, which has a structural design that can effectively reduce labor intensity and reduce risks of high-altitude operation.

In order to achieve the purpose, the utility model provides the following technical scheme:

a hoist for hoisting a tensioning device of a belt conveyor, comprising:

the winch is arranged on the ground;

the pulley block comprises a plurality of pulleys which are wholly or partially rotationally connected to the lower side of the supporting beam;

the first end winding of haulage rope just on the hoist engine the haulage rope is walked around a plurality ofly in proper order the pulley, the hoist engine rotates the rolling during the haulage rope, the haulage rope can hoist overspeed device tensioner.

Preferably, in the hoisting device, the pulley block includes a first pulley, a second pulley and a third pulley, the first pulley and the second pulley are rotatably disposed on the lower side of the supporting beam, the third pulley is rotatably disposed on the upper side of the tensioning device, and the traction rope sequentially passes around the first pulley, the second pulley and the third pulley.

Preferably, in the hoisting device, a hoisting hole is formed in the lower side of the supporting beam, and the second end of the traction rope is hung on the lower side of the supporting beam through a hook.

Preferably, in the hoisting device, the first sheave is located directly above the hoisting machine so that the traction rope between the first sheave and the hoisting machine extends in a vertical direction;

the third pulley is positioned directly above the second pulley such that the pull line between the second and third pulleys extends in a vertical direction.

Preferably, in the hoisting device, the pulley block includes a first pulley and a second pulley, the first pulley and the second pulley are both rotatably disposed on the lower side of the supporting beam, and the traction rope sequentially passes around the first pulley and the second pulley.

Preferably, in the hoisting device, a hoisting hole is formed in the upper side of the tensioning device, and the second end of the traction rope is hung on the upper side of the tensioning device through a hook.

Preferably, in the hoisting device, the first sheave is located directly above the hoisting machine so that the traction rope between the first sheave and the hoisting machine extends in a vertical direction.

Preferably, the hoisting device further comprises two vertical beams arranged oppositely, and the supporting cross beam is fixedly connected with the top ends of the vertical beams.

Preferably, in the hoisting device, sliding rails are disposed on both sides of the two vertical beams facing each other, the tensioning device is located between the two vertical beams, and sliding portions in sliding fit with the sliding rails are disposed on both sides of the tensioning device.

Preferably, in the hoisting device, one of the slide rail and the slide portion is a slide groove and the other is a slide projection.

When the conveying belt of the belt conveyor needs to be overhauled, the tensioning device is hoisted by the hoisting device, so that the conveying belt is loosened to facilitate overhauling. Specifically, when the hoist engine rotated, realized the rolling of haulage rope, the haulage rope was taut, and the haulage rope gives the ascending power of overspeed device tensioner, realized the haulage rope and hoisted overspeed device tensioner, and then overspeed device tensioner disappearance to the decurrent pulling force of conveyer belt, makes the conveyer belt lax easy access. When the winch reversely rotates, the traction rope is unreeled, the traction rope is loosened, the tensioning device descends, and then the tensioning device gives downward force to the conveying belt to tension and lift the conveying belt of the belt conveyor.

By the above, when the conveying belt of the belt conveyor is overhauled, the hoisting device is utilized to hoist the tensioning device, compared with manual hoisting or hoisting of the tensioning device, the manual strength and the operation difficulty are reduced, and the manpower resource is saved. Moreover, the working of workers at heights is avoided, and the danger of high-altitude working is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hoisting device provided in an embodiment of the present invention.

In fig. 1:

1-a winch, 2-a traction rope, 3-a first pulley, 4-a hanging piece, 5-a second pulley, 6-a third pulley, 7-a supporting beam and 8-a vertical beam.

Detailed Description

The utility model aims to provide a hoisting device, and the structural design of the hoisting device can effectively reduce the labor intensity and reduce the danger of high-altitude operation.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, the hoisting device provided by the present invention is mainly used for hoisting a tensioning device of a belt conveyor. The hoisting device comprises a winch 1, a supporting beam 7, a pulley block and a traction rope 2.

Wherein, hoist engine 1 installs on subaerial to reduce hoist engine 1's the installation degree of difficulty. The supporting beam 7 is located below the conveyor belt of the hoist belt conveyor, and the supporting beam 7 is located above the tensioning device. The pulley block comprises a plurality of pulleys. A plurality of pulleys are connected in full or partial rotation to the underside of the supporting cross member 7. Namely, a plurality of pulleys are all rotatably connected with the lower side of the supporting beam 7, or part of the pulleys are rotatably connected with the lower side of the supporting beam 7. The pulley block is used for changing the trend of the traction rope 2, so that the installation difficulty of the winch 1 is reduced, the winch can be directly installed on the ground, and finally the power of the winch 1 is reasonably reduced.

The first end winding of haulage rope 2 is on hoist engine 1, and haulage rope 2 walks around a plurality of pulleys in proper order. When the winch 1 rotates to wind the traction rope 2, the traction rope 2 can lift the tension device. Specifically, when hoist engine 1 rotates, realize the rolling of haulage rope 2, haulage rope 2 is taut, and haulage rope 2 gives the ascending power of overspeed device tensioner, realizes that haulage rope 2 lifts by crane overspeed device tensioner. The hauling rope 2 may be a steel rope or a rope made of other materials, and is not limited herein.

When the conveying belt of the belt conveyor needs to be overhauled, the tensioning device is hoisted by the hoisting device, so that the conveying belt is loosened to facilitate overhauling. Specifically, when hoist engine 1 rotated, realized the rolling of haulage rope 2, haulage rope 2 was taut, and haulage rope 2 gives the ascending power of overspeed device tensioner, realized haulage rope 2 and hoists overspeed device tensioner, and then overspeed device tensioner to the decurrent pulling force of conveyer belt disappear, make the conveyer belt lax easy access. When the winch 1 rotates reversely, the traction rope 2 is unreeled, the traction rope 2 is loosened, the tensioning device descends, and then the downward force of the conveying belt is given by the tensioning device to tension and lift the conveying belt of the belt conveyor.

In a particular embodiment, the pulley block comprises a first pulley 3, a second pulley 5 and a third pulley 6, the first pulley 3 and the second pulley 5 being rotatably arranged on the lower side of the supporting beam 7, the third pulley 6 being rotatably arranged on the upper side of the tensioning device, the traction rope 2 passing in turn around the first pulley 3, the second pulley 5 and the third pulley 6. In particular, the first pulley 3 can rotate with respect to the supporting cross member 7, the second pulley 5 can rotate with respect to the supporting cross member 7, and the third pulley 6 can rotate with respect to the tensioning device. The first pulley 3 and the second pulley 5 are both arranged at the lower side of the supporting beam 7, and the third pulley 6 is arranged at the upper side of the tensioning device. When the traction rope 2 moves, the first pulley 3, the second pulley 5 and the third pulley 6 are driven to rotate. This further facilitates the steering of the traction rope 2 and leads the traction rope 2 to the tensioning device.

In the above embodiment, the lower side of the supporting beam 7 is provided with a hanging hole, and the second end of the traction rope 2 is hung on the lower side of the supporting beam 7 through a hook. Specifically, the first end winding of haulage rope 2 is on hoist engine 1, and haulage rope 2 winds first pulley 3, second pulley 5 and third pulley 6 in proper order after, and the second end of haulage rope 2 articulates in supporting beam 7 downside. When the winch 1 is wound, the position of the second end of the traction rope 2 is unchanged, the length of the traction rope 2 between the first pulley 3 and the winch 1 is unchanged, and the distance between the second pulley 5 and the third pulley 6 is reduced so as to hoist the tensioning device.

Of course, the second end of the pull-cord 2 can also be fixed to the tensioning device. The second end of the hauling cable 2 may also be fixed to the underside of the supporting beam 7, for example by welding, bolting, etc., without limitation thereto

The lower side of the supporting beam 7 can be provided with a hanging piece 4, and a hanging hole is formed in the hanging piece 4. The suspension member 4 and the supporting beam 7 may be an integral structure or welded, and are not limited herein.

In order to improve the poor stability of the supporting beam 7, the first sheave 3 is located directly above the hoist 1 so that the traction rope 2 between the first sheave 3 and the hoist 1 extends in the vertical direction. The traction rope 2 between the first pulley 3 and the winch 1 gives a vertical downward force to the supporting beam 7, so that the supporting beam 7 is prevented from being too large in inclination force and easy to incline unstably. Of course, the first sheave 3 may be disposed to be offset from the hoist 1, and is not limited thereto.

In addition, the third pulley 6 is located directly above the second pulley 5 so that the traction rope 2 between the second pulley 5 and the third pulley 6 extends in the vertical direction. The traction rope 2 between the second pulley 5 and the third pulley 6 gives the tension device a vertical upward force, and the situation that the tension device is inclined and the like is avoided. Of course, the second pulley 5 may be disposed to be offset from the third pulley 6, and is not limited herein.

In another embodiment, the pulley block comprises a first pulley 3 and a second pulley 5, the first pulley 3 and the second pulley 5 are both rotatably arranged at the lower side of the supporting beam 7, and the traction rope 2 sequentially passes around the first pulley 3 and the second pulley 5. In particular, the first pulley 3 can rotate with respect to the supporting cross member 7, and the second pulley 5 can rotate with respect to the supporting cross member 7. The first pulley 3 and the second pulley 5 are both mounted on the underside of the support beam 7. When the traction rope 2 moves, the first pulley 3 and the second pulley 5 are driven to rotate. This further facilitates the steering of the traction rope 2 and leads the traction rope 2 to the tensioning device.

Furthermore, the upper side of the tensioning device is provided with a lifting hole, and the second end of the traction rope 2 is hung on the upper side of the tensioning device through a hook. Specifically, the first end of haulage rope 2 twines on hoist engine 1, and haulage rope 2 winds first pulley 3 and second pulley 5 back in proper order, and the second end of haulage rope 2 articulates the upside at overspeed device tensioner. When the winch 1 is wound, the length of the traction rope 2 between the first pulley 3 and the winch 1 is unchanged, and the distance between the second pulley 5 and the tensioning device is reduced so as to hoist the tensioning device.

Of course, the second end of the pull-cord 2 can also be fixed to the tensioning device. The second end of the traction rope 2 may also be fixed to the upper side of the tensioning device, such as welded, bolted, etc., without limitation thereto

Likewise, in order to improve the poor stability of the supporting beam 7, the first sheave 3 is located directly above the hoist 1, so that the traction rope 2 between the first sheave 3 and the hoist 1 extends in the vertical direction. The traction rope 2 between the first pulley 3 and the winch 1 gives a vertical downward force to the supporting beam 7, so that the supporting beam 7 is prevented from being too large in inclination force and easy to incline unstably. Of course, the first sheave 3 may be disposed to be offset from the hoist 1, and is not limited thereto.

The hoisting device can also comprise two vertical beams 8 which are oppositely arranged, and the supporting cross beam 7 is fixedly connected with the top ends of the vertical beams 8. The two vertical beams 8 jointly support the above-mentioned supporting cross beam 7 to ensure the stability of the supporting cross beam 7. The top ends of the supporting beam 7 and the vertical beam 8 can be welded or bolted, and are not limited herein. Of course, the supporting beams 7 can also be arranged in a hoisting manner.

In order to ensure the lifting stability of the tensioning device, one sides of the two vertical beams 8 facing each other are provided with sliding rails, the tensioning device is positioned between the two vertical beams 8, and the two sides of the tensioning device are provided with sliding parts in sliding fit with the sliding rails. And one sides of the two vertical beams 8 close to each other are provided with sliding rails, and when the tensioning device is lifted, the sliding parts on the two sides slide along the sliding rails of the two vertical beams 8 so as to prevent the tensioning device from being misplaced and off tracking.

In a specific embodiment, one of the slide rail and the slide portion is a slide groove and the other is a slide protrusion. The sliding track is a sliding chute, and the sliding part is a sliding bulge. Or the sliding track is a sliding bulge, and the sliding part is a sliding groove. The shape of the sliding groove and the sliding protrusion may be T-shaped, and of course, the sliding groove and the sliding protrusion may also be other shapes, which are not limited herein.

The tensioning device comprises a weight box, a bend pulley, a frame and the like, wherein the weight box and the bend pulley can be arranged inside the frame, and the third pulley 6 can be connected with the upper side of the frame. Alternatively, the second end of the tractive line 2 may be attached to the upper side of the frame.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. A hoist for hoisting a tensioning device of a belt conveyor, comprising:

the winch (1), the said winch (1) is placed on the ground;

the pulley block comprises a plurality of pulleys which are wholly or partially rotatably connected to the lower side of the supporting beam (7);

the traction rope (2), the first end winding of traction rope (2) just on hoist engine (1) a plurality of are walked around in proper order to traction rope (2) the pulley, hoist engine (1) rotates the rolling during traction rope (2), traction rope (2) can hoist overspeed device tensioner.

2. Hoisting device according to claim 1, characterized in that the set of pulleys comprises a first pulley (3), a second pulley (5) and a third pulley (6), the first pulley (3) and the second pulley (5) each being rotatably arranged on the underside of the supporting beam (7), the third pulley (6) being rotatably arranged on the upper side of the tensioning device, the traction rope (2) passing in turn over the first pulley (3), the second pulley (5) and the third pulley (6).

3. A hoisting device as claimed in claim 2, characterized in that the underside of the supporting beam (7) is provided with a hoisting hole, and the second end of the traction rope (2) is suspended by means of a hook from the underside of the supporting beam (7).

4. A hoisting device as claimed in claim 2, characterized in that the first sheave (3) is located directly above the hoisting machine (1) so that the traction rope (2) between the first sheave (3) and the hoisting machine (1) extends in a vertical direction;

the third pulley (6) is located directly above the second pulley (5) such that the traction rope (2) between the second pulley (5) and the third pulley (6) extends in a vertical direction.

5. Hoisting device according to claim 1, characterized in that the set of pulleys comprises a first pulley (3) and a second pulley (5), the first pulley (3) and the second pulley (5) being both rotatably arranged on the underside of the supporting beam (7), the traction rope (2) passing in turn around the first pulley (3) and the second pulley (5).

6. Hoisting device according to claim 5, characterized in that the upper side of the tensioning device is provided with a hoisting hole, and the second end of the traction rope (2) is suspended by a hook at the upper side of the tensioning device.

7. Hoisting device according to claim 5, characterized in that the first sheave (3) is located directly above the hoisting machine (1) so that the traction rope (2) between the first sheave (3) and the hoisting machine (1) extends in a vertical direction.

8. The hoisting device according to claim 1, further comprising two vertical beams (8) arranged opposite to each other, wherein the supporting beam (7) is fixedly connected with the top ends of the vertical beams (8).

9. A hoisting device as claimed in claim 8, characterized in that the sides of the two vertical beams (8) facing each other are provided with a sliding track, the tensioning device is located between the two vertical beams (8) and the two sides of the tensioning device are provided with sliding portions which are in sliding engagement with the sliding tracks.

10. A lifting device as claimed in claim 9, wherein one of the sliding track and the sliding portion is a sliding slot and the other is a sliding projection.