KR102500941B1 - Impeller wire drum stopper device - Google Patents

Abstract

The present invention relates to an impeller wire drum stopper device. An impeller wire drum stopper device according to an embodiment of the present invention is coupled by wrapping a wire drum of an impeller hoist unit in a circumferential direction and includes a toothed structure having sawtooth teeth, and a direction toward the toothed structure from a position adjacent to the toothed structure. It includes a pawl installed to be rotatable and engaged or released by engaging with the sawtooth teeth to restrict or release the rotation of the wire drum.

Description

Impeller wire drum stopper device {IMPELLER WIRE DRUM STOPPER DEVICE}

The present invention relates to an impeller wire drum stopper device, and relates to an impeller wire drum stopper device capable of preventing an impeller carriage device from falling during repair work of a pre-treatment plant KR (Kanvara Reactor) facility.

The preliminary treatment plant KR (Kanvara Reactor) process is a process in which a desulphurizer is injected into high-sulfur-containing molten iron from a blast furnace, and then low-sulfur molten iron is produced and supplied to steelmaking through forced stirring. applicable to the process.

However, during equipment inspection and repair of the impeller device of KR (Kanvara Reactor), the carriage device may fall due to brake slip problems of the impeller hoist, which causes a risk of safety accidents to workers during inspection and repair. there was.

For this reason, conventionally, as a temporary safety measure, a wedge for preventing fall is installed between the carriage guide roller and the rail. However, there is a problem in that the installation process of the wedge for preventing falls may result in a safety risk, and reliability in safety may be lowered depending on the proficiency of the operator.

On the other hand, considering that carriage devices generally have a high weight (eg, 60 tons, etc.), if an accident occurs, it can directly lead to a serious industrial accident problem rather than just a minor accident, so appropriate countermeasures are required. .

Therefore, it is necessary to develop a technology capable of preventing the fall of the impeller device by removing the impeller hoist brake device abnormality and unreliable temporary safety measures.

As a related prior literature, there is Korean Utility Model Publication No. 20-1996-0008031, which discloses a hoist drum wire rope separation prevention device for an overhead crane.

Republic of Korea Utility Model Publication No. 20-1996-0008031

An object of the present invention is to provide an impeller wire drum stopper device applicable to an impeller wire drum in order to prevent a fall of an impeller carriage device during repair work of a pretreatment plant KR (Kanvara Reactor) facility.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention not mentioned above can be understood by the following description and will be more clearly understood by the examples of the present invention. It will also be readily apparent that the objects and advantages of the present invention may be realized by means of the instrumentalities and combinations indicated in the claims.

In order to achieve the above object, according to one aspect of the present invention, manual operation that can be applied to the wire drum of the impeller hoist unit to prevent the fall of the impeller carriage device during the repair work of the pre-treatment plant KR (Kanvara Reactor) facility An impeller wire drum stopper device is provided.

An impeller wire drum stopper device according to an embodiment of the present invention is coupled by wrapping a wire drum of an impeller hoist unit in a circumferential direction and includes a tooth structure having sawtooth teeth; and a pole rotatably installed in a position adjacent to the tooth structure in a direction toward the tooth structure, and engaging or disengaging the sawtooth teeth to restrict or release the rotation of the wire drum.

In the impeller wire drum stopper device according to an embodiment of the present invention, the tooth structure includes a plurality of divided arc bodies each having ends connected to each other so as to surround the circumferential surface of the wire drum and each divided into an arc shape. do. Each of the plurality of divided arc bodies may have the same number of sawtooth teeth.

In the impeller wire drum stopper device according to an embodiment of the present invention, the pole includes a pole body portion that rotates in a direction approaching or retracting from the tooth structure; and a pawl engaging portion having a shape bent from the front end of the pawl body toward the tooth structure, and having teeth for engagement corresponding to the sawtooth teeth when the pawl body rotates close to the tooth structure. .

In the impeller wire drum stopper device according to an embodiment of the present invention, at least three teeth for engaging may be provided. The at least three teeth for engagement may be engaged with at least three tooth-like teeth at once when the pole body rotates close to the tooth structure. In this way, since at least three teeth for engagement are provided in the pole engagement portion, there is an advantage in being able to withstand a sufficient load during fastening between the teeth for engagement and the tooth-shaped teeth.

The impeller wire drum stopper device according to an embodiment of the present invention further includes a first bracket for pivoting the pole body by connecting the pole body to a predetermined height from the base. One end of the first bracket may be fixed to the base, and the other end of the first bracket may be formed to stand apart from the base toward one side of the wire drum.

In addition, the first bracket further includes a shaft connecting ball into which pivot shafts protruding from both sides of the pole body are inserted and connected. The shaft connection ball is formed to have a set length along the height direction of the first bracket, and the pole body is lifted in the height direction of the first bracket by the length of the shaft connection ball, and the engagement teeth The close contact between the serrated teeth can be controlled.

In addition, the first bracket further includes a first bracket fixing part welded between one end of the first bracket and one surface of the base to fix the position of the first bracket.

The impeller wire drum stopper device according to an embodiment of the present invention further includes a fixing screw that enters into fastening toward one side of the pole body to limit rotation of the pole body.

At this time, the fixing screw is fastened toward one side of the pole body part in a state in which the pole engagement part approaches the tooth structure and the engagement teeth are engaged in correspondence with the sawtooth-shaped teeth, and the engagement teeth and the sawtooth shape When the meshing state of the teeth is released, the coupling may be released in a direction away from one side of the pole body part.

The impeller wire drum stopper device according to an embodiment of the present invention further includes a second bracket supporting the fixing screw so that the fixing screw enters and releases the fixing screw on a predetermined height of the base.

An impeller wire drum stopper device according to an embodiment of the present invention is located at a set distance from the rear of the first bracket, and a proximity sensor for detecting a proximity operation of the pole engaging portion rotated to the rear of the first bracket; include

Meanwhile, at least one of the tooth structure and the pole may be disposed at both ends of the wire drum. For example, the wire drum may be formed of a structure having a long overall length, and in order to support a heavy carriage device, a toothed structure and poles may be installed and operated at both ends of the wire drum.

The tooth structure may have 48 tooth-shaped teeth. In addition, the tooth structure includes four divided arc bodies, and each of the four divided arc bodies may have 12 teeth. And in the tooth structure, the angle between the tooth-shaped teeth adjacent to each other may be 60 degrees. According to this configuration, there is an advantage in that a plurality of divided arc bodies can be easily installed without disassembling the wire drum, and since the number of sawtooth teeth is 48, it is easy to install and repair at any position of lifting / lowering the carriage device. there is. Furthermore, it is possible to have an optimal fastening force by setting the angle between the teeth adjacent to each other to be 60 degrees.

According to the present invention, during equipment inspection and repair work of the KR impeller device, there is an advantage in preventing safety accidents of workers during inspection and repair work by preventing the carriage device from falling due to brake slip problems of the impeller hoist.

In addition, according to the present invention, the impeller hoist wire drum can be quickly operated by easily manipulating the manual lever in the form of teeth, away from the conventional temporary safety measure, that is, the method of individually installing wedges for preventing falls between the carriage guide roller and the rail. It has the advantage of being able to manually operate and stop. In addition, there is an advantage in that only heavy equipment is prevented from falling and hoisting is not always constrained. Accordingly, the process of safety measures can be minimized and simplified, and reliability of safety can be improved, which is advantageous in creating a safe working environment.

In addition, according to the present invention, the safety measures are simplified, so that anyone can easily fasten and release the stopper in a short time regardless of the operator's skill level. In addition, according to the present invention, there is an advantage in that the repair time of the equipment is shortened.

In addition to the effects described above, specific effects of the present invention will be described together while explaining specific details for carrying out the present invention.

1 is a diagram schematically showing a KR (Kanvara Reactor) facility.
Figure 2 is a plan view schematically showing the impeller hoist unit.
3 is a front view schematically illustrating a hoist motor brake;
Figure 4 is a photograph and diagram showing the inspection and repair work of the main equipment related to the KR (Kanvara Reactor) impeller station.
Figure 5 is a schematic configuration diagram showing an impeller wire drum stopper device according to an embodiment of the present invention.
Figure 6 is a front view showing a state in which the impeller wire drum stopper device according to an embodiment of the present invention is installed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings so that those skilled in the art can easily carry out the present invention. This invention may be embodied in many different forms and is not limited to the embodiments set forth herein.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar components throughout the specification. In addition, some embodiments of the present invention are described in detail with reference to exemplary drawings. In adding reference numerals to components of each drawing, the same components may have the same numerals as much as possible even if they are displayed on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description may be omitted.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, order, or number of the corresponding component is not limited by the term. When an element is described as being “connected,” “coupled to,” or “connected” to another element, that element is or may be directly connected to that other element, but intervenes between each element. It will be understood that may be "interposed", or each component may be "connected", "coupled" or "connected" through other components.

In addition, in implementing the present invention, components may be subdivided for convenience of explanation, but these components may be implemented in one device or module, or one component may be implemented in a plurality of devices or modules. It may be divided into and implemented.

In general, the pre-processing plant KR (Kanvara Reactor) process refers to a process in which a desulfurization agent is added to high sulfur-containing molten iron from a blast furnace, and then low-sulfur molten iron is produced through forced stirring and supplied to steelmaking.

However, during equipment inspection and repair of the impeller device of KR (Kanvara Reactor), the carriage device may fall due to brake slip problems of the impeller hoist, etc. .

Conventionally, as a temporary safety measure, a wedge for preventing fall was installed between the carriage guide roller and the rail. However, there is a risk of safety accident in the installation process of the wedge, and there is a problem of reducing reliability in safety depending on the skill level of the worker.

Embodiments of the present invention relate to an impeller wire drum stopper device applicable to an impeller wire drum to prevent a fall of an impeller carriage device during repair work of a pretreatment plant KR (Kanvara Reactor) facility.

Impeller hoist unit and hoist motor brake

In the drawings, FIG. 1 is a schematic diagram of a KR (Kanvara Reactor) facility, FIG. 2 is a plan view briefly showing an impeller hoist unit, and FIG. 3 is a front view briefly showing a hoist motor brake.

Referring to Figure 1, it shows a schematic appearance of the KR (Kanvara Reactor) facility.

The molten iron ladle (hereinafter simply referred to as 'ladle') 30 drawn from the blast furnace is moved to a degassing treatment position of KR (Kanvara Reactor) using a cart 31.

The impeller hoist unit (1) includes an impeller (4) and an impeller stirring motor (7).

The rotational force output from the impeller stirring motor 7 is reduced at a set ratio in the impeller stirring reducer 3 and transmitted to the impeller 4 via the impeller shaft 8.

In addition, the impeller hoist unit 1 includes a fixed master beam 5, a carriage device 2 that ascends / descends, and a carriage guide roller for guiding the ascending / descending and ascending / descending directions of the carriage device 2 ( 6) and a wire rope sheave 9 for winding and moving the wire rope connected to the impeller hoist unit 1.

The impeller hoist unit 1 configured as described above lowers the impeller 4 into the ladle 3 using the carriage device 2 . Then, the impeller stirring motor 7 is operated to rotate the impeller 4, and stirring is performed.

Referring to FIG. 2, a plan view of the impeller hoist unit 1 is shown.

The impeller hoist unit 1 includes a carriage device 2 that moves up/down in the up/down direction.

In addition, the impeller hoist unit 1 is a detailed configuration for raising / lowering the carriage device 2, and the wire drum 18 rotating to raise / lower the carriage device 2, and the rotational force in the wire drum 18 It includes a hoist motor 13 that provides, and a hoist motor brake 12 that blocks rotation of the hoist motor 13.

In addition, the impeller hoist unit 1 includes a hoist reducer 15, a hoist reducer inlet gear coupling 14, and a hoist reducer outlet gear coupling 16.

The hoist reducer 15 reduces the output of the hoist motor 13. The hoist reducer inlet gear coupling 14 is located on the inlet side of the hoist reducer 15, and the hoist reducer output gear coupling 16 is located on the output side of the hoist reducer 15, through each wire drum 18 The reduced rotational force can be transmitted to.

In addition, the impeller hoist unit 1 includes a wire drum bearing block 17. The wire drum bearing blocks 17 may be connected to both sides of the wire drum 18, and may reduce rotational friction of the wire drum 18.

Referring to Figure 3, it shows a front view of the hoist motor brake (12).

The hoist motor brake 12 includes a hoist brake drum 19, a brake drum pad 20, and a hoist brake tension adjusting device 21.

The hoist brake drum 19 is a drum-shaped member positioned inside the hoist motor brake 12, and the brake drum pad 20 may be disposed to be in contact with one side of the hoist brake drum 19. The hoist brake tension adjusting device 21 adjusts the tension of the hoist brake 12 .

Specifically, the hoist brake drum 19 is assembled with the hoist motor 13 (see FIG. 2). When the hoist motor brake 12 is opened and the hoist motor 13 (see FIG. 2) is operated, the hoist brake drum 19 rotates in conjunction therewith.

If the hoist motor (13, see FIG. 2) stops, the hoist motor brake 12 is in a closed state. At this time, the brake drum pad 20 holds the hoist brake drum 19 at the set torque. give.

The brake tension adjusting device 21 is a device for adjusting the torque by which the brake drum pad 20 holds the hoist brake drum 19 .

However, when the brake tension adjusting device 21 is released due to continuous brake operation or the hoist brake drum 19 or the brake drum pad 20 is contaminated with grease or oil according to various environmental factors, the contact area slips. phenomena can occur. This is called the brake slip phenomenon.

This brake slip phenomenon is connected to the free fall of the carriage device (2, see FIG. 1), and may cause serious industrial accidents.

4 is a photograph and diagram showing inspection and repair work of major facilities related to a KR (Kanvara Reactor) impeller station.

Figure 4 (a) shows the operation of inspecting and repairing the carriage guide roller. In order to carry out this work, a new work scaffold must be installed based on the surrounding structure. If the carriage device (2, see FIG. 1) falls during the work, the scaffold is damaged, resulting in a fall disaster and a disaster that is narrowed to the surrounding structure. It can be.

Figure 4 (b) shows the impeller dome repair work. This task can be said to have the highest probability of death due to a constriction accident when the carriage device (2, see FIG. 1) falls.

Figure 4 (c) and (d) shows the impeller stirrer reducer and motor repair work. 5(e) is a photograph of an operation in which non-destructive diagnosis of the impeller shaft is performed, and corresponds to a operation with a very high risk of death due to stenosis and collision disaster when the carriage device (2, see FIG. 1) falls. In addition, such non-destructive diagnosis work is performed periodically a number of times a year, so the risk work frequency is high.

Figure 4 (f) shows a temporary safety measure work for preventing the fall of the carriage device (2, see Fig. 1) before performing the potentially dangerous work. In the conventional temporary safety measures, a wedge 50 was installed between the carriage guide roller G and the rail R. However, the risk of falling of the carriage device (2, see FIG. 1) always exists even during the installation of the shim 50, and there is a secondary potential risk of a fall, fire, and burn hazard due to high and hot work Disadvantages there was

Hereinafter, an impeller wire drum stopper device (100, see FIGS. 5 and 6) according to embodiments of the present invention will be described in detail.

Impeller wire drum stopper device (100, see FIGS. 5 and 6) according to embodiments of the present invention, unlike the conventional wedge installation method, the safety measures are simplified and the wire can be easily installed in a short time regardless of the operator's skill level. A mechanical stopper structure that blocks rotation of the drum can be installed and released.

Impeller wire drum stopper device

5 is a schematic configuration diagram of an impeller wire drum stopper device according to an embodiment of the present invention, and FIG. 6 is a front view showing an installed state of the impeller wire drum stopper device according to an embodiment of the present invention.

An impeller wire drum stopper device 100 according to an embodiment of the present invention includes a toothed structure 110 and a pole 130.

The tooth structure 110 will be described in detail.

The tooth structure 110 is coupled by wrapping the wire drum 18 of the impeller hoist unit 1 (see FIG. 2) in the circumferential direction.

A tooth-shaped tooth 113 may be provided on the outside of the tooth-like structure 110 .

In the impeller wire drum stopper device 100 according to the embodiment of the present invention, the tooth structure 110 includes a plurality of divided arc bodies 111.

The plurality of divided arc bodies 111 may have a structure in which opposite ends of each are connected to each other so as to surround the circumferential surface of the wire drum 18 in the circumferential direction.

Accordingly, when the plurality of divided arc bodies 111 are connected to each other, the overall shape may have a ring or band shape surrounding the outer circumferential surface of the wire drum 18 .

A plurality of sawtooth teeth 113 may be provided on each of the plurality of divided arc bodies 111 .

For example, it is preferable that the plurality of sawtooth teeth 113 formed on each of the plurality of divided arc bodies 111 are provided in the same number as each other.

More specifically, for example, the tooth structure 110 may have 48 tooth-shaped teeth 113 . Also, the tooth structure 110 may include four divided arc bodies 111 .

At this time, each of the four divided arc bodies 111 may have the same number of teeth 113 as each other, that is, 12 sawtooth teeth.

According to this configuration, without disassembling the wire drum 18, the divided arc body 111 divided into a plurality of pieces (eg, 4 pieces, etc.) can be closely attached to the circumferential surface of the wire drum 118 and connected to each other. It has the advantage of improving the convenience of work and shortening the working time.

In addition, the total number of saw-tooth teeth 113 is 48, and the same number of 12 saw-tooth teeth 113 is formed for each divided arc body 111, so that the carriage device 2 (see FIG. 1) It can be easily installed and repaired at any position during lifting/lowering, and can withstand a sufficient load when fastened between the toothed structure 110 and the pole 130.

In addition, the angle (a, see FIG. 5) between the toothed teeth 113 adjacent to each other in the tooth structure 1100 may be set to 60 degrees, and by selecting this angle, the tooth structure 110 and the pole 130 are fastened. Optimum clamping force can be exhibited.

Hereinafter, the pole 130 will be described in detail.

The pole 130 may be installed at a position adjacent to the tooth structure 110 .

As a specific example, the pole 130 may be rotatably installed in a direction toward the tooth structure 110 .

Also, the pawl 130 may be engaged with the tooth-like tooth 113 to be engaged (ie, engaged) or to be released.

Accordingly, rotation of the wire drum 18 can be restrained or released by manual manipulation of the pole 130 . In other words, the rotation of the wire drum 18 can be stopped or restarted in a quick and easy manner by manual manipulation of the pole 130 .

For example, the pole 130 includes a pole body portion 131 and a pole engaging portion 133 .

The pole body 131 refers to a bar-shaped steel member that rotates in a direction approaching or retreating from the tooth structure 110 .

The pole engaging portion 133 may have a shape bent to one side so as to contact the tooth structure 110 from the front end (or upper end) of the pole body 131 . For example, the pole 130 may have an “a” shape.

In addition, the pawl engagement portion 133 includes an engagement tooth 135.

When the pole body 131 rotates to approach the tooth structure 110, the teeth for engagement 135 are tooth-shaped to correspond to the plurality of sawtooth teeth 113 formed on the outside of the tooth structure 110. say the part

For example, at least three teeth 135 for engagement may be provided. At least three engagement teeth 135 may be engaged with at least three tooth-shaped teeth 113 formed on the tooth structure 110 at once when the pole body 131 rotates close to the tooth structure 110. .

As such, according to the embodiment of the present invention, at least three engagement teeth 135 are provided in the pawl engagement portion 133, so that at least three engagement teeth 135 are at least three tooth-shaped teeth 113. It can be firmly fastened through a plurality of mating surfaces in close contact.

This has the advantage of being able to withstand a sufficient load during fastening between the engagement teeth 135 and the tooth-shaped teeth 113.

On the other hand, the impeller wire drum stopper device 100 according to an embodiment of the present invention further includes a first bracket 150.

The first bracket 150 can pivot the pole body 110 at a predetermined height from the base 101 to rotate the pole body 110 within a set angle range. Here, the base 101 may correspond to a part of the main body of the impeller hoist unit 1, and is not necessarily limited to the illustrated shape.

For example, one end 151 of the first bracket 150 may be fixed to the base 101 . In addition, the other end 153 of the first bracket 150 may be installed upright, ie upright, at a position spaced apart from the base 101 to one side of the wire drum 18 .

As such, the first bracket 150 may be a steel material having a plate shape, and may rotatably restrain and support the pole body 110 .

In addition, the first bracket 150 further includes a shaft connection ball 155 into which the rotational shaft 139 of circular cross section protruding from both sides of the pole body 110 is inserted and connected.

For example, the shaft connection ball 155 may be formed to have a set length along the height direction of the first bracket 150 . In other words, the shaft connecting ball 155 may have an arc-shaped long hole formed long in the height direction of the first bracket 150 . In addition, the pivot shaft 139 of the pole body 110 may move up and down within a predetermined range through the shaft connection ball 155 having an arc-shaped long hole.

Accordingly, the pole body 110 is movable in the height direction of the first bracket 150 by the length of the shaft connecting ball 155 .

As a result, when complete contact between the teeth for engagement 135 and the tooth-like teeth 113 is not achieved, the pole body 110 can be lifted up within the length of the shaft connection ball 115 to complete the fastening. . In addition to this, a structure in which a member such as a liner 137 is further inserted may be used to prevent the pole body 110 from moving downward after close contact. However, it is not limited to the illustrated shape, and may be changed and used in various shapes obvious to those skilled in the art.

In addition, the first bracket 150 further includes a first bracket fixing part 157 .

The first bracket fixing part 157 is a part welded between one end 151 of the first bracket 150 and one surface of the base 101, and firmly fixes the first bracket 150 to the base 101. Separation and separation of the pole 130 can be prevented.

In addition, the impeller wire drum stopper device 100 according to an embodiment of the present invention further includes a fixing screw 170 for fixing the pole body 110.

The fixing screw 170 is fastened toward one side of the pole body 131 to limit the rotation of the pole body 131 rotating in the first bracket 150.

For example, the fixing screw 170 is in close contact with the tooth-shaped tooth 113 of the tooth-like structure 110, and the engagement tooth 133 is engaged in correspondence with the tooth-shaped tooth 113. In the state of being fastened toward one side of the pole body portion 131 can be entered. Accordingly, rotation of the pole body 133 is restrained, and the rotation of the wire drum 18 can be interrupted by maintaining the fastening between the engagement tooth 133 and the tooth-shaped tooth 113.

Conversely, when the engagement state between the teeth for engagement 133 and the tooth-shaped teeth 113 is released, the fixing screw 170 is directed away from one side of the pole body 110, that is, in the first bracket 150. The fastening may be released in the retracting direction. As a result, the pole body 131 rotates in a direction approaching the base 101, so that the rotation of the wire drum 18 can be resumed.

In addition, the impeller wire drum stopper device 100 according to an embodiment of the present invention further includes a second bracket 180.

The second bracket 180 enables fastening entry and release of the fixing screw 170 and supports the second bracket 180 .

For example, the second bracket 180 may support the fixing screw 170 at a predetermined height of the base 101 so that the fixing screw 170 can enter or release the fixing screw toward the pole body 131. .

The fixing screw 170 may include a screw body 171 and a screw head 173, the screw body 171 is screwed through the second bracket 180, and the pole body 131 It can be combined to be able to advance and retreat toward. The screw head 173 is located at the rear of the second bracket 180, and the entry distance can be adjusted by rotating the screw body 171.

Meanwhile, the impeller wire drum stopper device 100 according to an embodiment of the present invention further includes a proximity sensor 190.

The proximity sensor 190 may be located at a set distance from the rear of the first bracket 150 . The proximity sensor 190 may detect a proximity operation of the pole engaging portion 133 rotated rearward of the first bracket 150, and may include at least one limit sensor.

If, after engaging the poles 130 with the tooth structure 110, in a state where they are mutually fastened, the operator can perform inspection and repair work, and when the work is completed, the poles 130 can be dismantled by manual operation. can However, if the impeller hoist unit (1, see FIG. 2) is operated in a state in which the pole 130 is not completely dismantled, an overload of the hoist motor 13 may occur, resulting in a state in which the facility cannot be used normally.

According to the present invention, in order to prevent this problem, the proximity sensor 190 is used to detect whether the pole 130 is completely disassembled. Accordingly, it is determined that the pole 130 is completely dismantled only when the proximity sensor 190 detects the proximity operation of the pole engagement part 133, enabling stable operation of the facility.

In the impeller wire drum stopper device 100 according to the embodiment of the present invention, the impeller wire drum stopper device 100 including the toothed structure 110 and the pole 130 has at least two ends of the wire drum 18, respectively. One may be arranged (see FIG. 6).

For example, the wire drum 18 is composed of a structure with a long overall length (eg, 2550 mm, etc.), and it is necessary to stably support a heavy carriage device (2, see FIG. 1) through a single wire drum 18. For this purpose, it is preferable to install the tooth structure 110 and the pole 130 at both ends of the wire drum 18, respectively.

As described above, according to the configuration and operation of the present invention, during facility inspection and repair work of the KR impeller device, the carriage device is prevented from falling due to the brake slip problem of the impeller hoist, thereby preventing safety accidents of workers during inspection and repair work. It can be prevented.

Furthermore, away from the conventional temporary safety measures, that is, the method of individually installing wedges for preventing falls between the carriage guide roller and the rail, the impeller hoist wire drum is quickly manually operated and stopped by easily operating the sawtooth manual lever. can make it In addition, there is an advantage in that only heavy equipment is prevented from falling and hoisting is not always constrained. Accordingly, the process of safety measures can be minimized and simplified, and reliability of safety can be improved, which is advantageous in creating a safe working environment.

Furthermore, safety measures are simplified so that anyone can easily engage and disengage the stopper in a short time regardless of the operator's skill level. Moreover, the repair time of the equipment can be shortened.

As described above, the present invention has been described with reference to the drawings illustrated, but the present invention is not limited by the embodiments and drawings disclosed herein, and various modifications are made by those skilled in the art within the scope of the technical idea of the present invention. It is obvious that variations can be made. In addition, although the operational effects according to the configuration of the present invention have not been explicitly described and described while describing the embodiments of the present invention, it is natural that the effects predictable by the corresponding configuration should also be recognized.

1: Impeller hoist unit
2: carriage device
3: Impeller Stirring Reducer
4: Impeller
5: Master Beam
6: carriage guide roller
7: Impeller Stirling Motor
8: impeller shaft
9: wire rope sheave
12: hoist motor brake
13: hoist motor
14: hoist reducer inlet gear coupling
15: Hoist reducer
16: Hoist reducer output gear coupling
17: wire drum bearing block
18: wire drum
19: hoist brake drum
20: brake drum pad
21: hoist brake tension adjusting device
30: ladle
31: bogie
100: impeller wire drum stopper device
101: base
110: tooth structure
111: arc-shaped body
113: tooth shape tooth
115: connection part
130: pole
131: pole body
133: pole grip
135: tooth for engagement
137: liner
139: pivot axis
150: first bracket
151: one end of the first bracket
153: the other end of the second bracket
155: axis connecting ball
157: first bracket fixing part
170: fixing screw
171: screw body
173: screw head
180: second bracket
190: proximity sensor

Claims (14)

A tooth structure having a tooth-shaped tooth and coupled by wrapping the wire drum of the impeller hoist unit in a circumferential direction; and
A pole rotatably installed in a position adjacent to the tooth structure in a direction toward the tooth structure, and engaged or released by engaging with the tooth-like tooth to restrict or release the rotation of the wire drum; includes,
The pawl may include a pawl body portion that rotates in a direction approaching or retracting from the tooth structure;
A pole engaging portion having a shape bent from the front end of the pawl body toward the tooth structure, and having teeth for engagement corresponding to the tooth-shaped teeth when the pawl body rotates close to the tooth structure; and
A first bracket for pivoting the pole body by connecting the pole body at a predetermined height from the base,
One end of the first bracket is fixed to the base, and the other end of the first bracket is formed by standing on a position spaced apart from the base to one side of the wire drum,
The impeller wire drum stopper device further comprising a fixing screw in which the pole is fastened toward one side of the pole body and limits rotation of the pole body.
According to claim 1,
The tooth structure,
A plurality of divided arc bodies having both ends connected to each other so as to surround the circumferential surface of the wire drum and each divided into an arc shape;
Characterized in that each of the plurality of divided arc bodies is provided with the same number of sawtooth teeth
Impeller wire drum stopper device.
delete According to claim 1,
The meshing teeth are provided with at least three,
The at least three teeth for engagement,
Characterized in that when the pole body rotates close to the tooth structure, it is engaged with at least three tooth-shaped teeth at once
Impeller wire drum stopper device.
delete According to claim 1,
The first bracket,
A shaft connection ball into which the pivot shafts protruding from both sides of the pole body are inserted and connected; further comprising,
The shaft connection ball,
Characterized in that it is formed to have a set length along the height direction of the first bracket
Impeller wire drum stopper device.
According to claim 1,
The first bracket,
a first bracket fixing part welded between one end of the first bracket and one surface of the base to fix the position of the first bracket;
Impeller wire drum stopper device further comprising a.
delete According to claim 1,
The fixing screw is
The pole engaging part approaches the tooth structure and the engaging teeth are engaged toward one side of the pole body in a state in which the engaging teeth correspond to the tooth-shaped teeth,
Characterized in that, when the engagement state of the engagement tooth and the tooth-shaped tooth is released, the engagement is released in a direction away from one side of the pole body portion
Impeller wire drum stopper device.
According to claim 1,
a second bracket supporting the fixing screw so that the fixing screw enters and releases the fixing screw on a predetermined height of the base;
Impeller wire drum stopper device further comprising a.
According to claim 1,
The tooth structure and the pole,
Characterized in that at least one is disposed on each of both ends of the wire drum
Impeller wire drum stopper device.
According to claim 11,
The tooth structure,
Characterized in that it has 48 tooth-shaped teeth
Impeller wire drum stopper device.
According to claim 11,
The tooth structure,
Includes 4 split arc bodies,
Each of the four divided arc bodies,
Characterized in that it has 12 tooth-shaped teeth
Impeller wire drum stopper device.
According to claim 11,
In the tooth structure,
Characterized in that the angle between the tooth-shaped teeth adjacent to each other is 60 degrees
Impeller wire drum stopper device.

Images