CN216336306U

CN216336306U - Winch for lifting maintenance platform in furnace

Info

Publication number: CN216336306U
Application number: CN202122464436.4U
Authority: CN
Inventors: 戴嘉龙
Original assignee: Jiangsu Jialong Power Equipment Co ltd
Current assignee: Jiangsu Jialong Power Equipment Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-19
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a winch for lifting an in-furnace maintenance platform, which comprises a winch frame body, and a motor, a speed reducer and a winding drum which are arranged on the winch frame body, wherein a steel wire rope is arranged on the winding drum, the output end of the motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the winding drum, an end inlet hole into which the end of the steel wire rope extends is arranged on the winding drum, the end inlet hole extends from the outer wall of the winding drum to the interior of the winding drum, a fixing hole into which a fastener extends is also arranged on the outer wall of the winding drum, the fixing hole is communicated with the end inlet hole, and the end part of the fastener props against the end in the end inlet hole so as to fix the end. So set up, wire rope's end stretches into the end downthehole, has realized hiding completely not exposing, and the end no longer influences follow-up rope arranging, appears the problem of bulging when having solved the rope arranging.

Description

Winch for lifting maintenance platform in furnace

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a winch for lifting an in-furnace maintenance platform.

Background

The boiler is a large-scale energy conversion device, and when the interior of the boiler is overhauled, an in-boiler overhaul platform is often needed. The maintenance platform in the furnace is driven to lift through the winch, and a maintainer works on the maintenance platform in the furnace.

The winding machine winds and unwinds the steel wire rope through the winding drum, the winding drum rotates to enable the steel wire rope to be arranged on the periphery of the winding drum, the steel wire rope can be wound on the winding drum, and the winding drum rotates in the opposite direction, so that the rope unwinding process is achieved. In the prior art, at the initial stage of arranging the rope, the end of the steel wire rope is exposed on the surface of the winding drum, and bulges can occur at the position of the end along with the rope arrangement, so that the uniformity of the rope arrangement is influenced, and even the winch can not automatically arrange the rope.

Therefore, how to solve the problem that the automatic rope arrangement of the winch is influenced because the end of the steel wire rope is exposed on the surface of the winding drum in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a winch for lifting a maintenance platform in a furnace, which solves the problem that in the prior art, the end of a steel wire rope is exposed on the surface of a winding drum to influence the automatic rope arrangement of the winch. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

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

the utility model provides a winch for lifting an in-furnace maintenance platform, which comprises a winch frame body, a motor, a speed reducer and a winding drum, wherein the motor, the speed reducer and the winding drum are arranged on the winch frame body, a steel wire rope is arranged on the winding drum, the output end of the motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the winding drum, an end inlet hole into which the end of the steel wire rope extends is formed in the winding drum, the end inlet hole extends from the outer wall of the winding drum to the inside of the winding drum, a fixing hole into which a fastener extends is also formed in the outer wall of the winding drum, the fixing hole is communicated with the end inlet hole, and the end of the fastener abuts against the end in the end inlet hole so as to fix the end.

Preferably, the side position of the winding drum is provided with a wheel shaft, the wheel shaft is connected with the winch frame body through fixing plates arranged at two ends of the wheel shaft, the wheel shaft is provided with a rope guide wheel, a center hole of the rope guide wheel is in clearance fit with the wheel shaft, the fixing plates are provided with through holes for the end parts of the wheel shaft to penetrate, at least one end of the wheel shaft is provided with a clamping piece, and the clamping piece is clamped with the wheel shaft and fixedly connected with the fixing plates so as to fix the wheel shaft and the fixing plates.

Preferably, the clamping piece is a clamping plate, a slot perpendicular to the central shaft of the wheel shaft is formed in the wheel shaft, and the edge of the clamping plate extends into the slot.

Preferably, the length of the chord where the end head inlet hole is located is smaller than the diameter of the winding drum, and the fixing hole is perpendicular to the extending direction of the end head inlet hole.

Preferably, the output shaft of the motor is connected with the transmission shaft through a coupling, the transmission shaft penetrates through the speed reducer, and at least one brake is arranged on the transmission shaft and positioned on the side of the speed reducer.

Preferably, the brake comprises a brake wheel fixedly nested on the transmission shaft, a brake plate which is arranged corresponding to the brake wheel and can move, and a hydraulic cylinder connected with the brake plate, wherein the hydraulic cylinder drives the brake plate to move so that the brake plate can clasp the brake wheel or be separated from the surface of the brake wheel.

Preferably, the hydraulic cylinder is an electric hydraulic cylinder, the winch further comprises a controller, and the controller is connected with the motor and the electric hydraulic cylinder in a communication mode so as to control the motor and the electric hydraulic cylinder to work.

Preferably, the outer wall of the winding drum is provided with at least one partition disc so as to divide the outer wall of the winding drum into at least two winding sections, each winding section is provided with the steel wire rope, the end inlet hole and the fixing hole, and the number of the rope guide wheels is equal to that of the winding sections and is in one-to-one correspondence with the winding sections.

Preferably, the output shaft of the speed reducer penetrates through the speed reducer, and one winding drum is fixedly nested on the output shaft of the speed reducer on two sides of the speed reducer respectively.

Preferably, the fastener is a bolt, and one end of the fixing hole, which is close to the outer wall of the winding drum, is provided with a sinking cavity for placing a nut of the bolt.

According to the technical scheme provided by the utility model, the winch for lifting the maintenance platform in the furnace comprises a winch frame body, a motor, a speed reducer and a winding drum, wherein a steel wire rope is wound on the winding drum, the output end of the motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the winding drum, so that the winding drum is driven by the motor to rotate, and the process of winding and unwinding the rope is realized. The reel is provided with an end inlet hole for the end of the steel wire rope to extend into, the end inlet hole extends from the outer wall of the reel to the inside of the reel, the outer wall of the reel is further provided with a fixing hole for the fastener to extend into, the fixing hole is communicated with the end inlet hole, and the end of the fastener abuts against the end in the end inlet hole so as to fix the end. So set up, wire rope's end stretches into the end downthehole, has realized hiding completely not exposing, and the end no longer influences follow-up rope arranging, appears the problem of bulging when having solved the rope arranging.

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 winch for lifting and lowering a service platform in a furnace according to an embodiment of the present invention;

FIG. 2 is a left side view of a hoist for raising and lowering the service platform within the furnace in an embodiment of the present invention;

FIG. 3 is a schematic view of the construction of the spool in an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a portion of a spool in an embodiment of the utility model.

In the figure:

1-winch frame body, 2-motor, 3-winding drum, 4-speed reducer, 5-transmission shaft, 6-fixing plate, 7-wheel shaft, 8-rope guide wheel, 9-end inlet hole, 10-fixing hole, 11-clamping plate, 12-brake, 121-electric hydraulic cylinder, 122-first connecting column, 123-second connecting column, 124-rotating plate, 125-connecting rod, 13-partition disc, 14-winding section and 15-sinking cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

An object of this embodiment is to provide a hoist engine for in-furnace maintenance platform goes up and down, solves among the prior art the end of wire rope and shows on the reel surface, influences the automatic problem of arranging the rope of hoist engine.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

Referring to fig. 1 to 4, in the present embodiment, the winch for lifting the in-furnace maintenance platform includes a winch frame body 1, a motor 2, a speed reducer 4 and a winding drum 3, the motor 2, the speed reducer 4 and the winding drum 3 are all disposed on the winch frame body 1, and a steel wire rope is wound on the winding drum 3. The output of motor 2 links to each other with the input of reduction gear 4, and the output of reduction gear 4 links to each other with reel 3, and motor 2 during operation drives reel 3 and rotates, in order to realize the process of receiving and releasing the rope, and wire rope's tip is connected with the in-furnace maintenance platform, alright realize the lift of in-furnace maintenance platform. Be equipped with the end hand-hole 9 that supplies wire rope's end to stretch into on the reel 3, end hand-hole 9 is extended to reel 3 inside by the outer wall of reel 3, still is equipped with the fixed orifices 10 that supplies the fastener to stretch into on the outer wall of reel 3, and fixed orifices 10 is linked together with end hand-hole 9, and the tip of fastener supports the end that is located in end hand-hole 9, alright realize the fixed of end.

So set up, wire rope's end stretches into in the end manhole 9, has realized hiding completely and has not exposed, and the end no longer influences follow-up arranging rope, has solved the problem that appears bulging when arranging the rope.

In the preferred scheme of this embodiment, the avris position of reel 3 is equipped with the shaft 7 that is parallel with the center axis of reel 3, and shaft 7 both ends are equipped with a fixed plate 6 respectively, and fixed

plate

6 and 1 welding of hoist engine frame body are equipped with the through-hole that supplies the tip of shaft 7 to penetrate on the fixed plate 6. The wheel shaft 7 is provided with a rope guide wheel 8, and the central hole of the rope guide wheel 8 is in clearance fit with the wheel shaft 7, so that the rope guide wheel 8 can slide along the length direction of the wheel shaft 7. At least one end of the wheel shaft 7 is provided with a clamping piece which is clamped with the wheel shaft 7 and is fixedly connected with the fixing plate 6 so as to fix the wheel shaft 7 and the fixing plate 6.

Due to the arrangement, the wheel shaft 7 cannot rotate relative to the fixing plate 6 in the rope discharging process, the abrasion between the wheel shaft 7 and the fixing plate 6 is weakened, the wheel shaft 7 can be prevented from jumping out of the through hole of the fixing plate 6 through the clamping part connection, and the safety coefficient of equipment is improved; the rope guide wheel 8 plays a role in guiding the winding and discharging of the steel wire rope, and the steel wire rope passes through the rope guide wheel 8 and then is wound on the outer wall of the winding drum 3.

In a specific embodiment, referring to fig. 2, the clamping member is a clamping plate 11, a slit is provided on the wheel axle 7 perpendicular to the central axis thereof, the wheel axle 7 is not cut off by the slit, the edge of the clamping plate 11 extends into the slit, and then the clamping plate 11 is fixedly connected with the fixing plate 6. The clamping plate 11 and the fixing plate 6 are both provided with bolt holes, and the clamping plate and the fixing plate are connected through bolts penetrating through the bolt holes in a fastening mode.

In a preferred embodiment of the present embodiment, the length of the chord in which the tip access hole 9 is located is smaller than the diameter of the winding drum 3, the fixing hole 10 is perpendicular to the extending direction of the tip access hole 9, and the tip access hole 9 and the fixing hole 10 are in the same cross section perpendicular to the central axis of the winding drum 3. By the arrangement, the smaller length of the fixing hole 10 can be communicated with the end head inlet hole 9, so that the length of the fixing hole 10 and the length of the fastener are reduced, and the end head of the steel wire rope is more convenient to fix; moreover, the contact area between the end part of the fastener and the end head of the steel wire rope is larger, and the end head is fixed more firmly.

In this embodiment, the output shaft of the motor 2 is connected to the transmission shaft 5 through a coupling, the transmission shaft 5 penetrates through the speed reducer 4, the transmission shaft 5 is arranged at the input end of the speed reducer 4, and at least one brake 12 is arranged on the transmission shaft 5 at the side position of the speed reducer 4. In the preferred embodiment, one brake 12 is provided on each side of the transmission shaft 5 on the decelerator 4.

So set up, through two stopper 12 to the transmission shaft 5 braking, braking stability is better, prevents among the braking process that the in-furnace maintenance platform from taking place to rock by a wide margin or beat.

Specifically, referring to fig. 2, the brake 12 includes a brake wheel fixedly embedded on the transmission shaft 5, a brake plate disposed corresponding to the brake wheel and capable of moving, and a hydraulic cylinder connected to the brake plate, wherein the hydraulic cylinder drives the brake plate to move, so that the brake plate grips the brake wheel to realize braking or the brake plate is separated from the brake wheel to release braking.

The brake 12 further comprises a fixing piece connected with the winch frame body 1, the fixing piece is connected with the first connecting post 122 and the second connecting post 123 through a rotating shaft, the first connecting post 122 and the second connecting post 123 are respectively connected with brake plates through rotating shafts, the two brake plates are arranged oppositely, a brake wheel is clamped between the two brake plates, the upper end of the second connecting post 123 is rotatably connected with one end of the rotating plate 124 through a pin shaft, the other end of the rotating plate 124 is rotatably connected with a stroke rod of a hydraulic cylinder, one end of the rotating plate 124, far away from the hydraulic cylinder, is further connected with the connecting rod 125 through a rotating shaft, and the other end of the connecting rod 125 is rotatably connected with the first connecting post 122.

When the stroke rod of the hydraulic cylinder rises, the rotating plate 124 is pulled to rotate, so that the connecting rod 125 pulls the first connecting post 122 and the second connecting post 123 to rotate inwards, and the brake plate holds the brake wheel tightly for braking. In some embodiments, a spring return element is disposed between the first connecting post 122 and the second connecting post 123, and the spring return element returns to deform after braking to push the first connecting post 122 and the second connecting post 123, so that the two braking plates are separated from the surface of the brake wheel. The specific structure of the brake 12 is substantially the same as that of the prior art, and the manner of braking and releasing the brake is also similar.

In a preferred embodiment of the present invention, the hydraulic cylinder is an electric hydraulic cylinder 121, and the hoisting machine further includes a controller, and the controller is communicably connected to both the motor 2 and the electric hydraulic cylinder 121. The controller controls the motor 2 to start and stop, rotate forwards and reversely and the like, so that the steel wire rope is arranged or released on the winding drum 3. The controller also controls the start and stop of the electric hydraulic cylinder 121 and the pressure loading and unloading to control the brake 12 to brake the brake wheel or release the brake.

In this embodiment, the outer wall of the winding drum 3 is provided with at least one partition 13 to divide the outer wall of the winding drum 3 into at least two winding sections 14, each winding section 14 is provided with a steel wire rope, an end inlet hole 9 and a fixing hole 10, and the number of the rope guide wheels 8 is equal to that of the winding sections 14 and corresponds to one another. The end of each steel wire rope is fixed in an end inlet hole 9 through a fastener, and is guided by a corresponding rope guide wheel 8 to perform rope arrangement and rope release of the steel wire rope. In the specific embodiment, the number of winding sections 14 and rope pulleys 8 is three.

Further, an output shaft of the speed reducer 4 penetrates through the speed reducer 4, and a winding drum 3 is fixedly nested on the output shaft of the speed reducer 4 on two sides of the speed reducer 4 respectively. The side position of each reel 3 is provided with a wheel shaft 7 and a rope guide wheel 8, and each reel 3 is provided with three winding sections 14 and three rope guide wheels 8 correspondingly. The terminal entry hole 9 and the fixing hole 10 on each winding section 14 are provided at end positions of the winding section 14.

In a preferred embodiment of the present invention, the fastening member inserted into the fixing hole 10 is a bolt, and an end of the fixing hole 10 close to the outer wall of the winding drum 3 is provided with a sinking cavity 15 for the nut of the bolt to be inserted into. The bolt is assembled in the fixing hole 10, the screw rod of the bolt is in threaded fit with the inner wall of the fixing hole 10, and the nut of the bolt is just positioned in the sinking cavity 15. So set up, the nut of bolt can not appear on the outer wall of reel 3 to avoid influencing the hoist and arrange the rope. In the specific embodiment, two fixing holes 10 are correspondingly arranged in one end inlet hole 9, and a bolt is arranged in each fixing hole 10.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the utility model comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a hoist engine that is used for in-furnace maintenance platform to go up and down, its characterized in that includes hoist engine support body (1) and sets up motor (2), reduction gear (4) and reel (3) on hoist engine support body (1), be equipped with wire rope on reel (3), the output of motor (2) with the input of reduction gear (4) links to each other, the output of reduction gear (4) with reel (3) link to each other, be equipped with on reel (3) and supply wire rope's end access hole (9) that stretch into, end access hole (9) by the outer wall of reel (3) is to its inside extension, still be equipped with on the outer wall of reel (3) and supply fixed orifices (10) that the fastener stretched into, fixed orifices (10) with end access hole (9) are linked together, the tip of fastener supports and is located in end access hole (9), To secure the tip.

2. The hoisting machine as claimed in claim 1, characterized in that the reel (3) is provided at its lateral side with a wheel axle (7), the wheel axle (7) is connected to the hoisting machine frame (1) by means of fixing plates (6) provided at its both ends, the wheel axle (7) is provided with a rope guide wheel (8), the center hole of the rope guide wheel (8) is in clearance fit with the wheel axle (7), the fixing plate (6) is provided with a through hole for the end of the wheel axle (7) to penetrate through, at least one end of the wheel axle (7) is provided with a clip, and the clip is clipped to the wheel axle (7) and fixedly connected to the fixing plate (6) to fix the wheel axle (7) and the fixing plate (6) to each other.

3. A hoisting machine as claimed in claim 2, characterized in that said dog is a catch (11), said axle (7) being provided with a slot perpendicular to its central axis, the edge of said catch (11) extending into said slot.

4. Winding engine according to claim 1, characterized in that the length of the chord in which the head access opening (9) is located is smaller than the diameter of the drum (3), and that the fixing hole (10) is perpendicular to the extension of the head access opening (9).

5. Winch according to claim 1, characterised in that the output shaft of the motor (2) is coupled to a transmission shaft (5) by means of a coupling, the transmission shaft (5) extends through the speed reducer (4), and at least one brake (12) is arranged on the transmission shaft (5) at a side position of the speed reducer (4).

6. The hoisting machine according to claim 5, characterized in that the brake (12) comprises a brake wheel fixedly nested on the transmission shaft (5), a brake plate disposed corresponding to the brake wheel and capable of moving, and a hydraulic cylinder connected with the brake plate, wherein the hydraulic cylinder drives the brake plate to move so that the brake plate can hold the brake wheel tightly or be separated from the surface of the brake wheel.

7. The hoisting machine according to claim 6, wherein said hydraulic cylinder is an electric hydraulic cylinder (121), and said hoisting machine further comprises a controller communicably connected to both said motor (2) and said electric hydraulic cylinder (121) for controlling the operation of said motor (2) and said electric hydraulic cylinder (121).

8. The hoisting machine as claimed in claim 2, characterized in that the outer wall of the drum (3) is provided with at least one spacer disc (13) to divide the outer wall of the drum (3) into at least two winding sections (14), each winding section (14) is provided with the wire rope, the end access hole (9) and the fixing hole (10), and the number of the rope guide wheels (8) is equal to and corresponds to the number of the winding sections (14).

9. Winch according to claim 8, characterised in that the output shaft of the speed reducer (4) extends through the speed reducer (4), and that one winding drum (3) is fixedly nested on the output shaft of the speed reducer (4) on each side of the speed reducer (4).

10. Winding engine as claimed in claim 1, characterized in that the fastening means are bolts and that the end of the fastening hole (10) near the outer wall of the drum (3) is provided with a cavity (15) for the nut of the bolt to be inserted.