KR102181612B1 - Pin-Jack Winch with safety device and gear drive type - Google Patents

Abstract

The present invention relates to a pin-jack winch. According to the present invention, the pin-jack winch comprises: a bed (110); a pair of rack gearbox units (160) provided at both sides of the bed (110); a driving motor (120); a worm shaft support unit (130) having a worm shaft (132); and a deceleration gearbox unit (140) provided at a lower portion of the worm shaft support unit (130). According to the present invention, failure and corrosion can be prevented.

Description

Gear-driven Pin-Jack Winch with safety device and gear drive type}

The present invention relates to a pin-jek reeler and the whole machine associated therewith, and more particularly, to a pin-jek reeler for safety and maintenance of an operator and for reducing related costs by transmitting the driving force of a drive motor to the rack bar in a gear manner.

In general, water gates, which are a kind of repair facility, are installed in water and sewage systems, urban sewage treatment plants, water treatment plants, agricultural irrigation canals, and related waterways or other drains in contact with other rivers.

The sluice gate controls the flow rate by controlling the opening and closing of the sluice gate, maintains the water depth, and prevents the reverse flow of water due to flooding.

The upper and lower opening and closing of the sluice gate is selectively controlled by manual operation or the external power transmission relationship using a pin-jack reel depending on the capacity and size of the sluice facility.

1 is a view showing the configuration of a conventional pin-jeek winding machine 40 to open and close the sluice door (20). As shown, the sluice gate 20 is provided to be movable up and down along the sluice frame 10. A pair of rack bars 30 are provided on the upper portion of the sluice door 20, and the pair of rack bars 30 are moved up and down by engaging with rack gears (not shown) of the pin-jek winding machine 40, respectively.

The conventional pin-jet winding machine 40 includes a drive motor 41, a reduction gear part 43 that decelerates the driving speed of the drive motor 41 and transmits it to the rack gear, and a reduction gear part 43 that reduces the rotational force of the drive motor 41. It includes a chain 45 mounted outside the main body to be transferred to.

In the conventional pin-jeek winding machine 40, the driving force of the driving motor 41 is transmitted by the main body external mounting chain 45, as shown enlarged in FIG. 1. By the way, since the main body externally mounted chain 45 is exposed to the outside, natural corrosion occurs quickly, and the driving function is quickly lost, such as lubricating oil is removed depending on temperature and climate.

For maintenance of the main body external mounting chain 45, a process of assembling after separating the main body external mounting chain 45 from the pin-Jek winding machine 40 is required. By the way, disassembling and assembling the main body external mounting chain 45 takes a considerable amount of time and has a tricky drawback that requires a lot of labor and cost for maintenance, since only skilled workers are available.

On the other hand, various impurities, including branches, leaves, floats, and household waste, are moved to the sluice gate. During this process, impurities accumulate in the lower part of the sluice gate, so that the opening and closing of the sluice gate cannot be performed smoothly.

That is, the sluice gate must be lowered by the forward driving of the driving motor 41, but the sluice gate cannot be lowered any more because it is blocked by impurities. At this time, the driving motor is continuously driven, and the reduction gears that transmit the driving force to the rack bar (not shown) are also continuously rotated, leading to damage to the rack bar, hoist and structure, resulting in the risk of operator safety accidents and damage to public property. Occurs.

In order to solve this problem, the conventional pin-Jek winder has a bearing placed inside the chain, and when a problem occurs during operation, the chain is made to spin. However, in this case, the sluice gate that stopped while descending had to rise again, but there were cases where the water overflowed or reversed because the sluice gate could not rise due to the chain spinning.

Registered Patent No. 10-0468877 "Sprag Jack Pin-Jek Winding Machine" Patent Publication No. 10-2005-0048289 "Safety device for preventing overload of pin-jek winding machine"

An object of the present invention is to solve the above-described problems, to solve the problems of failure and corrosion due to changes in the climate and temperature of the externally mounted chain of the main body, and to provide a pin-jack reeler capable of transmitting driving force to the rack bar by a gear method. .

In addition, by installing a gear inside the drive unit housing, it is to provide a supplement to the disadvantages of the chain externally mounted, which has been a problem in the past.

Another object of the present invention is to provide a pin-jack rewinder that prevents damage and safety accidents in advance of a rec bar, a retractor and a structure by quickly cutting off the power supply to a driving motor when the sluice gate is abnormally operated due to impurities.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention by those skilled in the art.

An object of the present invention can be achieved by a pin-jeek winding machine that allows the sluice gate to be opened and closed by moving a pair of rack bars provided on the upper portion of the sluice gate. The pin-jeek winding machine of the present invention includes a bed 110 disposed horizontally on an upper portion of a sluice frame supporting the sluice gate; A rack gear box portion provided on both sides of the bed 110 and having a rack gear 165 that is gear-coupled with the pair of racks and a rack gear shaft 162 that rotates the rack gear 165 ( 160) and; A driving motor 120 provided in a middle region of the pair of rack gear box units 160; A worm shaft support 130 having a worm shaft 132 rotated by being coupled with a drive shaft (not shown) of the drive motor 120; It is provided under the worm shaft support part 130, and includes a reduction gear box part 140 that receives the rotational force of the drive motor 120 from the worm shaft 132 and transmits it to the rack gear shaft 162, and , And a safety device 170 for preventing an overload of the driving motor 120 by blocking the power supply of the driving motor 120 when there are impurities in the sluice gate 20, and the reduction gear box part 140 ) Is a worm gear shaft 142 provided with a worm gear 142a that is gear-coupled with the worm shaft 132 to receive a rotational force and to reduce the rotational force of the drive motor 120 primarily; It is provided between the worm gear shaft 142 and the rack gear shaft 162 and rotates in engagement with the worm gear 142a, and reduces the rotational force of the drive motor 120 in multiple stages and transmits it to the rack gear shaft 162 It includes a reduction gear unit 143, the safety device 170, and a round bar 171 which is coupled to protrude a predetermined length upward on the path of the worm shaft 132; When the driving motor 120 is rotated while the rotation of the worm gear 142a is stopped by the impurities, the worm shaft 132 is pushed forward from the initial position and moved forward by contact with the round bar 171 An abnormal state detection switch 175 for sensing; It detects whether the worm shaft 132 is located at the initial position by contact with the round bar 171, and includes the abnormal state detection switch 175 and a normal state detection switch 173 disposed in a diagonal direction, The steady state detection switch 173 includes a first horizontal lever (173a) protruding horizontally forward; A first round bar contact terminal (173b) provided to protrude from the end of the first horizontal lever (173a) and in contact with the round bar (171), and a first elastic support elastically supporting the first horizontal lever (173b) Including a member 173c, the abnormal state detection switch 175 is provided to detect the round bar 171 only when the round bar 171 is moved to an abnormal position separated by a set distance from the initial position, The normal state detection switch 173 is provided to detect the round bar 171 even at a boundary position on the path of the initial position in the abnormal position, and the abnormal state detection switch 175 is provided with the round bar 171 Includes a control unit 190 that cuts off the supply of power to the drive motor 120 when contacted, and the control unit 190 senses the normal state after the abnormal state detection switch 175 detects the round bar 171 When the switch 173 senses the round bar 171, power is supplied to the driving motor 120.

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According to an embodiment, the worm shaft support part 130 couples a drive shaft (not shown) of the drive motor 120 and one end of the worm shaft 132 so that the rotation of the drive shaft (not shown) is performed by the worm shaft ( A motor coupling cover part 133 to be transmitted to the 132; A worm shaft coupling cover part 135 coupled to the other end of the worm shaft 132 to support the worm shaft 132 to be rotated; Includes an upper gear box 131 that accommodates the worm shaft 132 and the motor coupling cover part 133 therein, and a round bar exposing the round bar 171 to the outside on the upper surface of the upper gear box 131 An exposed hole 131a is formed, and the round bar exposed hole 131a may be provided to correspond to a distance from the initial position to the abnormal position.

In the pin-Jek winder according to the present invention, the driving force of the driving motor is transmitted to the rack gear by a worm shaft, a worm gear, and a plurality of reduction gears without a chain. As a result, it is possible to prevent failure and corrosion problems and safety accidents due to changes in climate and temperature that occurred when the chain was exposed to the outside, and it has the advantage of easy maintenance.

In addition, compared to the case of using a chain, the size of the gears is reduced and the tooth shape is also reduced, thereby reducing the frictional area between the gears, thereby increasing the life of the equipment.

In addition, when the worm shaft is pushed forward in an abnormal state in which the sluice door is not opened and closed by impurities, the pin-jack reel according to the present invention can buffer the movement of the worm shaft by a spring, thereby preventing damage to the rec bar, the retractor and the structure, It allows the worm shaft to be moved to its initial position.

In addition, when the round bar that is moved back and forth in connection with the movement of the worm shaft contacts the abnormal state detection switch, the power supply to the driving motor is cut off, thereby protecting the device associated with the winder.

1 is a view showing the configuration of a conventional pin-jeek winding machine,
Figure 2 is a view showing a water gate combined with a pin-jeek winding machine according to the present invention,
3 is a perspective view showing the configuration of a pin-jeek winding machine according to the present invention,
Figure 4 is an exploded perspective view showing the configuration of the pin-jeek winding machine according to the present invention,
5 is a perspective view showing the configuration of a worm shaft support part and a reduction gear part of the pin-Jek winding machine according to the present invention;
Figure 6 is a cross-sectional view showing the front cross-sectional configuration of the pin-jeek winding machine according to the present invention,
7 is a plan view showing the plan configuration of the pin-jeek winding machine according to the present invention,
Figure 8 is a perspective view showing the configuration of the overload prevention device of the pin-jeek winding machine according to the present invention,
Figure 9 is a side view showing the configuration when the overload prevention device of the pin-jeek winding machine according to the present invention is in an abnormal state;
10 is a plan view showing a plan configuration of the overload prevention device of the pin-jeek winding machine according to the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those with average knowledge in the art. Accordingly, the shape of the element in the drawings may be exaggerated to emphasize a clearer description. It should be noted that in each drawing, the same member may be indicated by the same reference numeral. Detailed descriptions of known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

FIG. 2 is a perspective view showing a state in which the pin-jek winding machine 100 according to the present invention is coupled to the sluice door 20, FIG. 3 is a perspective view showing the external configuration of the pin-jek winding machine 100, and FIG. 100) is a perspective view showing the internal configuration.

As shown in FIG. 2, the pin-jeek winding machine 100 according to the present invention is provided on the upper portion of the sluice frame 10 to move the rack bar 30 of the sluice door 20 up and down. Pin-Jek winding machine 100 is coupled to the drive motor 120, the rack gear box 160 provided with a rack gear 165 coupled to the rack bar 30, and the drive motor 120 is coupled to the drive motor 120 ), the worm shaft support unit 130 receiving the rotational force of the worm shaft support unit 130, and a reduction gear box unit provided under the worm shaft support unit 130 to reduce the rotational force of the drive motor 120 and transmit it to the rack gear box unit 160 ( 140).

Pin-Jek winding machine 100 according to the present invention is a rack gear box unit 160 by a worm shaft 132 and a worm gear 142a and reduction gear unit 143 coupled to the worm shaft 132 and the driving force of the driving motor 120 It decelerates to and delivers. That is, the chain required for transmission of the conventional driving force is removed, and the driving force is transmitted by a gear method using a plurality of gear trains.

Accordingly, as shown in FIGS. 3 and 4, in the pin-Jek winding machine 100 of the present invention, the worm shaft 132 provided in the front of the drive motor 120 is accommodated in the upper gear box 131, and the reduction gear unit ( 143 is accommodated in the center gear box 141 under the upper gear box 131. In this way, the gears are accommodated inside each gearbox so that the gears are not exposed to the outside.

Therefore, there is an advantage in that maintenance is remarkably easy as compared to the case of using a conventional chain because foreign matter is not attached to the gear and the like and the risk of damage to the gear is small.

The pin-jek winding machine 100 of the present invention is provided horizontally on the upper surface of the sluice frame 10, the bed 110, the driving motor 120 generating driving force, and the worm shaft provided in front of the driving motor 120 The branch unit 130 and the reduction gear box unit 140 provided under the worm shaft support unit 130 to reduce the driving force of the driving motor 120, and the reduction gear box unit 140 are coupled to the sluice door 20 The brake unit 150 for controlling the opening and closing speed of the gearbox unit 140 is coupled to the reduction gear box unit 140 to transmit the driving force to the rack bar 30, the rack gear box unit 160 and the worm shaft support unit 130 It includes a safety device 170 to cut off the power supply to the drive motor 120 when the sluice door 20 is abnormally operated due to impurities.

5 is a perspective view showing the internal coupling structure of the drive motor 120, the worm shaft support unit 130, and the reduction gear unit 143, and Fig. 6 is a view showing the front cross-sectional configuration of the pin-Jek winding machine 100, and 7 is a diagram showing a flat cross-sectional configuration of the reduction gear box unit 140 of the pin-jeek winding machine 100.

As shown, the driving motor 120 is disposed at the rear end of the reduction gear box 140 toward the front. As shown in FIG. 5, the worm shaft 132 of the worm shaft support unit 130 is coupled to the drive shaft (not shown) of the drive motor 120 to transmit the driving force of the drive motor 120 to the reduction gear box unit 140 do.

The worm shaft support part 130 couples the upper gear box 131, a worm shaft 132 coupled to a drive shaft (not shown) of the drive motor 120, and one end of the worm shaft 132 with a drive shaft (not shown). It includes a motor coupling cover part 133 and a worm shaft coupling cover part 135 which is coupled to the other end of the worm shaft 132 to support the worm shaft 132 to rotate.

The upper gear box 131 accommodates the worm shaft 132 and the motor coupling cover part 133 therein. As shown in FIG. 3, a round bar exposure hole 131a for exposing the round bar 171 of the safety device 170 to the outside is formed on the upper surface of the upper gear box 131.

The length (d) of the round bar exposure hole (131a) is in an abnormal state in which the sluice door 20 is not moved from the initial position of the round bar 171 in the normal state in which the sluice door 20 is not moved. 171) is provided with a length to an abnormal position moved forward.

The length (d) of the round bar exposure hole 131a can be set after checking the degree to which the worm shaft 132 is pushed forward and moved in a state where the worm gear 142a is stopped during the initial equipment setting of the pin-Jek winding machine 10. Through the round bar exposure hole (131a), the operator can visually check the current position of the round bar (171), there is an advantage of being able to intuitively see whether the sluice door 20 is operating normally.

In front of the upper gear box 131, the worm shaft coupling cover part 135 is coupled to be exposed to the outside. Through this, the tension adjusting bolt 135h of the worm shaft coupling cover part 135 is exposed in front of the upper gear box 131. The operator can adjust the tension of the spring (not shown) provided inside the worm shaft coupling cover part 135 by manipulating the tension adjusting bolt 135h exposed to the outside.

The worm shaft 132 has a worm gear formed on its outer circumferential surface. The worm shaft 132 is coupled to the drive shaft (not shown) of the drive motor 120 by a motor coupling cover part 133 to rotate the drive shaft (not shown) forward and backward, and reduce the rotational force of the drive motor 120 to the reduction gear box. It is transmitted to the worm gear (142a) of (140).

The motor coupling cover part 133 couples one end of the worm shaft 132 and a drive shaft (not shown) so that the rotational force of the drive shaft (not shown) is transmitted to the worm shaft 132, and the worm shaft is in an abnormal state with impurities in the sluice gate. (132) is elastically supported so that it can be pushed forward a certain length.

To this end, although not shown, a plurality of first springs (not shown) are provided inside the motor coupling cover part 133 so that the worm shaft 132 can be elastically moved back and forth.

The worm shaft coupling cover part 135 is coupled to the other end of the worm shaft 132 to allow the worm shaft 132 to rotate smoothly by receiving the rotational force of the drive shaft (not shown). The inside of the worm shaft coupling cover part 135 elastically supports the worm shaft 132 pushed forward in an abnormal state in which there are contaminants in the sluice gate, and a second spring that acts on tension so that the worm shaft 132 returns to the initial position. Not shown) is provided.

The tension adjusting bolt 135h adjusts the tension of the second spring (not shown) to adjust the tension in which the worm shaft 132 is pushed back and forth. The operator adjusts the tension by rotating the tension adjusting bolt 135h exposed to the outside so that the second spring (not shown) is compressed or elongated.

The operator checks how far the worm shaft 132 is pushed forward in an abnormal state in which the worm gear 142a is not rotated when setting up the equipment, and operates the tension adjusting bolt 135h accordingly to tension the second spring (not shown). Adjust.

On the other hand, a clutch lever assembly 137 is provided on one side of the worm shaft coupling cover part 135. The clutch lever assembly 137 is coupled to the worm gear shaft 142 to receive a selection of one of an automatic mode in which the pin-jet winder 100 is operated by the driving motor 120 and a manual mode that is directly operated by an operator. As shown in FIG. 3, the clutch lever assembly 137 is selected in an automatic mode or a manual mode by an operation in which an operator rotates the clutch lever 137a exposed to the outside.

The reduction gear box unit 140 is provided under the worm shaft 132 to reduce the rotational speed of the drive motor 120 and transmits it to the rack gear box unit 160. In general, the driving motor 120 used in the pin-jeek winding machine 100 rotates 1150 to 1200 times per minute. If such rotational speed is directly transmitted to the rack gear 165, the moving speed of the sluice door 20 is too fast, and shock and damage may be caused.

Accordingly, the speed is reduced by the reduction gear box unit 140 so that the sluice gate 20 can be moved at a speed of 30cm±10% per minute.

The reduction gear box part 140 of the present invention is a worm gear shaft in which a center gear box 141 and a worm gear 142a that meshes with the worm shaft 132 to receive power to reduce the rotational speed of the drive motor 120 are coupled ( 142) and a reduction gear unit 143 provided below the worm gear shaft 142 to reduce the rotational speed in multiple stages.

The worm gear shaft 142 is disposed in a direction orthogonal to the worm shaft 132 as shown in FIG. 5. The worm gear shaft 142 is rotatably coupled to the center gear box 141. The worm gear 142a is coupled to the worm gear shaft 142 so as to mesh with the worm shaft 132. The worm gear 142a decelerates the rotational speed of the driving motor 120 transmitted through the worm shaft 132. The worm gear shaft 142 is provided with an electric gear 142b to be spaced apart from the worm gear 142a.

As shown in FIGS. 5 to 7, the reduction gear part 143 is provided with a plurality of reduction gear rows provided under the worm gear shaft 142. The reduction gear unit 143 includes five reduction gear shafts 144, 145, 146, 147, and 149. Each reduction gear shaft (144, 145, 146, 147, 149) is provided with a respective reduction gear and a transmission gear that transmits rotational force to the next reduction gear shaft (144, 145, 146, 147, 149).

The first reduction gear 144a of the first reduction gear shaft 144 is rotated by meshing with the second reduction gear 145a of the second reduction gear shaft 145, reducing the rotational speed and transmitting it, and the second reduction gear shaft The second transmission gear 145b of 145 is rotated by meshing with the third reduction gear 146a of the third reduction gear shaft 146 and decelerates and transmits the rotation speed, and the control of the third reduction gear shaft 146 The third transmission gear 146b is rotated by meshing with the fourth reduction gear 147a of the fourth reduction gear shaft 147 to transmit the rotational speed.

The fourth transmission gear 147b of the fourth reduction gear shaft 147 transmits the rotational speed to the fifth reduction gear 149a of the fifth reduction gear shaft 149. The fifth reduction gear shaft 149 is coupled by the rack gear shaft 162 of the rack gear box unit 160 and the chain coupling 163 to transmit the final reduced rotational speed to the rack gear shaft 162.

Here, the reduction gear box unit 140 of the present invention is formed to have a total of six reduction gear shafts 142,144,145,146,147,149 including the worm gear shaft 142. However, this is only an example, and the number of reduction gear shafts 142, 144, 145, 146, 147, 149 may be increased or decreased in consideration of the size and weight of the sluice door 20 and the rotational speed of the drive motor 120. In addition, the reduction gear ratio of each reduction gear shaft 142, 144, 145, 146, 147, 149 may be adjusted differently.

The center gear box 141 accommodates the worm gear shaft 142 and the reduction gear unit 143 therein to block foreign substances and insects from entering the inside.

Accordingly, the pin-Jek winding machine 100 of the present invention accommodates all the gear configurations that transmit the driving force of the driving motor 120 inside the upper gear box 131 and the center gear box 141 and is not exposed to the outside, so in terms of maintenance. There is an advantageous advantage.

On the other hand, although not shown in the drawing, an opening degree transmitter (not shown) is connected to the fifth reduction gear shaft 149. The opening degree transmitter (not shown) detects the opening degree of the sluice gate 20 according to the forward and reverse rotation of the fifth reduction gear shaft 149.

On the other hand, the pin-jeek winding machine 100 is provided with a brake unit 150 for adjusting or fixing the opening and closing speed of the sluice door. The brake unit 150 includes a centrifugal brake 151 coupled to the end of the second reduction gear shaft 145 as shown in FIG. 7, a foot brake 155 operated using a foot, and a foot brake 155 operated using a hand. Includes a hand brake (153).

The foot brake 155 couples the end of the pedal with the end of the movable band drum so that when the pedal is pressed, the band drum tightens or releases the wheel so that braking is performed.

The hand brake 153 combines the moving shaft moved by the handle operation and the end of the movable band drum so that the band drum tightens or releases the wheel when the handle is manipulated, so that braking is performed.

Since the operation of the centrifugal brake 151, the foot brake 155, and the hand brake 153 is the same as the existing configuration, detailed descriptions will be omitted.

The rack gear box unit 160 transmits the driving force transmitted through the reduction gear box unit 140 to the rack bar 30 so that the rack bar 30 is moved up and down and the sluice door 20 is opened and closed.

As shown in Figs. 4 and 5, the rack gear box unit 160 includes a rack gear box 161, a rack gear shaft 162 coupled to the fifth reduction gear shaft 149, and a fifth reduction gear shaft. (149) and a chain coupling 163 for coupling the rack gear shaft 162, and a rack gear 165 coupled to the rack gear shaft 162 and rotated in engagement with the rack bar 30.

The rack gear 165 is rotated in engagement with the rack teeth 31 of the rack bar 30, as shown enlarged in FIG. 4. The rack gear 165 is rotated together according to the forward and reverse rotation of the rack gear shaft 162, and the rack bar 30 is moved up and down according to the rotation direction of the rack gear 165, and the sluice door 20 is opened and closed.

FIG. 8 is a perspective view showing the configuration of the safety device 170, FIG. 9 is an exemplary view showing when the safety device 170 is in an abnormal state, and FIG. 10 is a plan view of the safety device 170 It is a plan view. The safety device 170 drives the driving motor 120 in an abnormal state in which the sluice door 20 cannot move up and down due to the impurities in the sluice door 20, and prevents an overload from occurring on the driving motor 120.

The safety device 170 of the present invention includes a round bar 171 provided to protrude in a vertical direction from the worm shaft 132, a normal state detection switch 173 and an abnormal state detection switch 175 for detecting the position of the round bar 171. ).

The round bar 171 is fixedly coupled to the other end of the worm shaft 132 by a round bar coupling ring 172. The round bar 171 extends a predetermined length in the vertical direction from the worm shaft 132 and is exposed to the outside through the round bar exposure hole 131a of the upper gear box 131 as shown in FIG. 3.

As described above, when the driving motor 120 operates to open and close the sluice door 20, if the sluice door 20 is caught in the sluice door 20 or the sluice door 20 cannot move up and down due to other reasons, it is coupled to the rack bar 30 Since the rack gear 165 is not rotated, the reduction gear unit 143 and the worm gear 142a connected thereto cannot be rotated.

The drive motor 120 is continuously driven and the worm shaft 132 is rotated, but the worm gear 142a coupled to the worm shaft 132 is not rotated and is stationary, so the worm shaft 132 is pushed forward by the rotating force. Will move.

Since the round bar 171 is vertically coupled to the axis of the worm shaft 132, it moves linearly together in conjunction with the back and forth movement of the worm shaft 132.

The steady state detection switch 173 is provided at the initial position of the round bar 171, that is, a position in which the opening and closing of the sluice door 20 is normally operated to detect the position of the round bar 171.

The abnormal state detection switch 175 is provided in an abnormal position in which the round bar 171 is pushed forward, that is, the opening and closing of the sluice door 20 is not normally operated, so that the worm shaft 132 is pushed forward. It detects the location. When the abnormal state detection switch 175 is in physical contact with the round bar 171 and detects the round bar 171, the control unit 190 controls the power supply unit 180 so that power supplied to the driving motor 120 is cut off.

In addition, the normal state detection switch 173 detects whether the round bar 171 that has been pushed forward and moved to an abnormal position is returned to the initial position.

The normal state detection switch 173 and the abnormal state detection switch 175 sense the position based on physical contact with the round bar 171. It is preferable that the normal state detection switch 173 and the abnormal state detection switch 175 are disposed diagonally to each other in order to efficiently use the space and not interfere with the movement of the round bar 171 back and forth.

As shown in FIG. 10, the steady state detection switch 173 is provided to protrude from the end of the first horizontal lever 173a protruding horizontally and the first horizontal lever 173a to contact the round bar 171 It includes a first round bar contact terminal (173b) and a first elastic support member (173c) for elastically supporting the first horizontal lever (173a).

The abnormal state detection switch 175 includes a second horizontal lever 175a, a second round bar contact terminal 175b, and a second elastic support member 175c, similarly to the normal state detection switch 173.

Here, the distance at which the round bar 171 is moved from the initial position to the abnormal position is usually 2.5cm to 3.5cm. The length d of the round bar exposure hole 131a is set to a distance at which the round bar 171 moves from a normal state to an abnormal state.

At this time, the second round bar contact terminal 175b of the abnormal state detection switch 175 is designed to be located at the end of the round bar exposure hole 131a. Accordingly, even if the round bar 171 is moved forward by 2.7 cm shorter than the set distance, 3 cm, the abnormal state detection switch 175 does not detect the round bar.

On the other hand, the steady state detection switch 173 is located at a position shorter than the set distance. That is, the second round rod contact terminal 175b of the abnormal state detection switch 175 is located outside the boundary position (X) so that the round rod 171 must be moved beyond the boundary position (X) to be in contact, but the first round rod contact terminal ( 173b) is located at the boundary position (X) and detects the round bar 171 even if the round bar 171 is returned less than the initial position.

When the worm gear 142a is stopped, the worm shaft 132 is moved forward and the second round bar contact terminal 175b contacts and senses the round bar 171, the controller 190 controls the power supply unit 180 to drive the motor. Cut off the power supply to (120).

The driving motor 120 is idle when the power supply is cut off. If the driving force from the driving motor 120 is not applied, the force that presses the first spring (not shown) and the second spring (not shown) disappears, so the first spring (not shown) and the second spring (not shown) are Tension is applied to the worm shaft 132 to return to the initial length. Due to the tension of the first spring (not shown) and the second spring (not shown), the worm shaft 132 is returned to the initial position, and the round bar 171 is also returned to the initial position.

The normal state detection switch 173 sets a wide range in which the round bar 171 returned to the initial position is returned to the boundary position (X) so that it can be judged as being restored even if it is not completely returned to the outside of the boundary position (X). Is positioned to be hung.

When the abnormal state detection switch 175 detects the round bar 171, the control unit 190 cuts off power supply to the driving motor 120 until the normal state detection switch 173 detects the round bar. When the steady state detection switch 173 detects a round bar, it prepares to allow power supply to the driving motor 120 to be allowed (stand-by).

Due to the double sensing operation of the safety device 170, it is possible to more effectively block the overload of the driving motor 120 in an abnormal state.

The operation of the pin-jeek winding machine 100 according to the present invention having such a configuration will be described with reference to FIGS. 1 to 10.

As shown in Figure 2, the pin-jeek winding machine 100 of the present invention is provided on the top of the sluice frame 10.

A pair of rack gear box units 160 coupled to the rack bar 30 of the sluice door 20 are disposed on both sides, a reduction gear box unit 140 is disposed in the middle area, and a reduction gear box unit 140 The driving motor 120 and the worm shaft support 130 are provided on the upper part of the.

When opening and closing the sluice door 20, when the operator inputs an input signal, the drive motor 120 is rotated. When the drive motor 120 is rotated, the worm shaft 132 coupled to the drive shaft (not shown) of the drive motor 120 is rotated together.

Then, the worm gear 142a engaged with the worm shaft 132 is rotated, and the rotational speed of the driving motor 120 is first decelerate and transmitted to the reduction gear unit 143. The reduction gear unit 143 is rotated by engaging with each other in a plurality of reduction gears arranged in multiple stages, and reduces the rotational speed of the driving motor 120 and transmits it to the rack gear shaft 162.

The rack gear 165 coupled to the rack gear shaft 162 is rotated at a reduced speed and allows the rack bar 30 to move by 30 to 40 cm per minute.

On the other hand, when there is an impurity in the sluice door 20 during the opening and closing operation of the sluice door 20, the vertical movement of the sluice door 20 is stopped. When the sluice door 20 becomes abnormal, the worm gear 142a stops rotating and the worm shaft 132 is pushed forward and moves.

When the worm shaft 132 is pushed forward and moved, the round bar 171 in contact with the normal state sensing switch 173 comes into contact with the abnormal state sensing switch 175 as shown in FIG. 9. When the abnormal state detection switch 175 contacts the round bar 171, the control unit 190 controls the power supply unit 180 to cut off the power supply to the driving motor 120.

When the power supply to the driving motor 120 is cut off, the driving motor 120 is idle, and the worm shaft 132 is a spring (not shown) provided in the motor coupling cover part 133 and the worm shaft coupling cover part 135 It returns to the initial position by the tension of them.

When the worm shaft 132 returns to the initial position, the round bar 171 comes into contact with the normal state detection switch 173 again, and the control unit 190 controls the power supply unit 180 so that power is supplied to the driving motor 120. Is done.

As described above, in the pin-jet winder according to the present invention, the driving force of the driving motor is transmitted to the rack gear by a worm shaft, a worm gear, and a plurality of reduction gears without a chain. As a result, it is possible to reduce problems of failure and corrosion and safety accidents caused by changes in climate and temperature caused by exposure of the conventional chain to the outside, and has the advantage of easy maintenance.

In addition, compared to the case of using a chain, the size of the gears is reduced and the tooth shape is also reduced, thereby reducing the friction area between the gears, thereby increasing the life of the equipment.

In addition, when the worm shaft is pushed forward in an abnormal state in which the sluice door is not opened or closed by impurities, the pin-jack reel according to the present invention can buffer the movement of the worm shaft by a spring to prevent damage to the worm shaft, and the worm shaft moves to the initial position Can be.

In addition, when a round bar that is moved back and forth in connection with the movement of the worm shaft contacts an abnormal state detection switch, power supply to the driving motor is cut off, thereby preventing overload of the driving motor.

The embodiments of the pin-jek winding machine of the present invention described above are merely exemplary, and those of ordinary skill in the technical field to which the present invention pertains can be well aware that various modifications and other equivalent embodiments are possible. There will be. Therefore, it will be appreciated that the present invention is not limited to the form mentioned in the detailed description above. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. In addition, the present invention is to be understood as including the spirit of the present invention as defined by the appended claims and all modifications, equivalents and substitutes within the scope thereof.

10: sluice frame 20: sluice
30: rack bar 100: pin-Jek winding machine
110: bed 120: drive motor
130: worm shaft support 131: upper gear box
131: round bar exposure hole 132: worm shaft
133: motor coupling cover part 135: worm shaft coupling cover part
137: clutch lever assembly 140: reduction gear box part
141: center gear box 142: worm gear shaft
142a: worm gear 142b: electric gear
143: reduction gear part 144: first reduction gear shaft
144a: first reduction gear 145: second reduction gear shaft
145a: second reduction gear 145b: second transmission gear
146: third reduction gear shaft 146a: third reduction gear
146b: third transmission gear 147: fourth reduction gear shaft
147a: fourth reduction gear 147b: fourth transmission gear
149: fifth reduction gear shaft 149a: fifth reduction gear
150: brake unit 151: centrifugal brake
155: hand brake 157: foot brake
160: rack gear box part 161: rack gear box
162: rack gear shaft 163: chain coupling
165: rack gear 170: safety device
171: round bar 172: round bar coupling ring
173: steady state detection switch 173a: first horizontal lever
173b: first round bar contact terminal 173c: first elastic support member
175: abnormal state detection switch 175a: second horizontal lever
175b: second round bar contact terminal 175c: second elastic support member
180: power supply unit 190: control unit

Claims (5)

In the pinzek winding machine for opening and closing the sluice gate by moving a pair of rack bars provided on the upper part of the sluice gate,
A bed 110 disposed horizontally on the upper portion of the sluice frame supporting the sluice gate;
A rack gear box portion provided on both sides of the bed 110 and having a rack gear 165 that is gear-coupled with the pair of racks and a rack gear shaft 162 that rotates the rack gear 165 ( 160) and;
A driving motor 120 provided in a middle region of the pair of rack gear box units 160;
A worm shaft support 130 having a worm shaft 132 rotated by being coupled with a drive shaft (not shown) of the drive motor 120;
A reduction gear box part 140 provided under the worm shaft support part 130 and receiving the rotational force of the driving motor 120 from the worm shaft 132 and transferring it to the rack gear shaft 162;
Includes a safety device 170 for preventing an overload of the driving motor 120 by blocking power supply to the driving motor 120 when there is an impurity in the sluice door 20,
The reduction gear box part 140,
A worm gear shaft 142 provided with a worm gear 142a which is gear-coupled with the worm shaft 132 to receive a rotational force and reduces the rotational force of the drive motor 120 primarily;
It is provided between the worm gear shaft 142 and the rack gear shaft 162 and rotates in engagement with the worm gear 142a, and reduces the rotational force of the drive motor 120 in multiple stages and transmits it to the rack gear shaft 162 It includes a reduction gear unit 143,
The safety device 170,
A round bar 171 coupled to protrude a predetermined length upward on the path of the worm shaft 132;
When the driving motor 120 is rotated while the rotation of the worm gear 142a is stopped by the impurities, the worm shaft 132 is pushed forward from the initial position and moved forward by contact with the round bar 171 An abnormal state detection switch 175 for sensing;
It detects whether the worm shaft 132 is located at the initial position by contact with the round bar 171, and includes the abnormal state detection switch 175 and a normal state detection switch 173 disposed in a diagonal direction,
The steady state detection switch 173,
A first horizontal lever (173a) protruding horizontally forward;
A first round bar contact terminal (173b) provided to protrude from an end of the first horizontal lever (173a) and in contact with the round bar (171);
It includes a first elastic support member (173c) for elastically supporting the first horizontal lever (173a),
The abnormal state detection switch 175 is provided to detect the round bar 171 only when the round bar 171 moves to an abnormal position separated by a set distance from the initial position,
The steady state detection switch 173 is provided to detect the round bar 171 even at a boundary position on the path of the initial position in the abnormal position,
When the abnormal state detection switch 175 is in contact with the round bar 171, it includes a control unit 190 to cut off the supply of power to the driving motor 120,
After the abnormal state detection switch 175 senses the round bar 171, the control unit 190 turns on power to the driving motor 120 when the normal state detection switch 173 senses the round bar 171. Pin-Jek winding machine, characterized in that the control to be supplied.
delete delete delete The method of claim 1,
The worm shaft support part 130,
A motor coupling cover part 133 for coupling a drive shaft (not shown) of the drive motor 120 and one end of the worm shaft 132 so that the rotation of the drive shaft (not shown) is transmitted to the worm shaft 132;
A worm shaft coupling cover part 135 coupled to the other end of the worm shaft 132 to support the worm shaft 132 to be rotated;
And an upper gear box 131 accommodating the worm shaft 132 and the motor coupling cover part 133 therein,
A round bar exposure hole 131a for exposing the round bar 171 to the outside is formed on the upper surface of the upper gear box 131,
The round bar exposure hole (131a) is a pin-Jek winding machine, characterized in that provided to correspond to the distance from the initial position to the abnormal position.

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