KR20230169760A - Moving device for rigid catenary system - Google Patents

Abstract

The present invention relates to a mobile rigid catenary driving device that blocks power transmission between the motor and the rigid catenary so that the rigid catenary can be moved with the driving force of the motor in normal times and the rigid catenary can be manually moved in an emergency.

Description

{Moving device for rigid catenary system}

The present invention relates to a mobile rigid catenary driving device for moving a rigid catenary. More specifically, the present invention relates to a mobile rigid catenary driving device that blocks the power transmission between the motor and the rigid catenary so that the rigid catenary can be moved with the driving power of the motor in normal times and the rigid catenary can be manually moved in an emergency. .

Electric railways, which are attracting attention as a new means of transportation with the opening of high-speed railways, are required to improve the performance, reliability, and safety of tram lines due to the recent increase in speed, large capacity, and shortening of operation time intervals of electric railways.

Here, a tram line can be defined as a general term for tracks such as tram lines and facilities attached thereto that are used to supply power by contacting the current collectors of electric trains running on the tracks.

The power required when a train runs is supplied through a current collector on the tram line and the vehicle's pantograph. The tram lines that supply electricity to the train are classified according to the method of supplying electricity.

Specifically, the tramway can be divided into an overhead catenary system and a third rail system, and the overhead catenary system is further divided into a rigid catenary system and a suspended catenary system.

Here, the suspension method is a method of catenating a catenary using a catenary line and is generally applied to above-ground sections. The catenary, catenary line, and dropper line must be catenated together, and peripheral devices such as tension control devices are required, so the required catenary height is high. , it has the disadvantage of being complicated and difficult to apply to tunnel sections. In other words, in order to apply a suspension type tramway to a tunnel section, the cross-sectional area or internal height of the tunnel must be large, which requires excessive construction costs, and also has the disadvantage of making daily inspection and maintenance difficult because the installation space is small.

The third rail type is a method of supplying power by installing a feed rail on the road surface or on the side. It has the advantage of being able to be installed in a narrow space such as a tunnel, but due to the nature of the feed rail being placed on the ground, there is no risk of electric shock. Due to the high risk, it is only applied to certain special sections.

On the other hand, the rigid body rigging method integrates the tram line into a rigid body and installs it using a separate structure such as a bracket installed perpendicular to the tram line. Since it does not require a tram line and does not require a separate tension maintenance device, it can be used in narrow spaces such as tunnels. It is applied to areas where installation is difficult. Therefore, the rigid tramway can significantly reduce construction costs in new tunnels due to the small space required for installation, and is also very advantageous in maintenance work inside the tunnel.

In Korea, rigid catenary is shortened to Rigid Bar and is expressed as R-Bar, and rigid catenary with a cross-sectional shape similar to the letter T is specifically called T-Bar. Although the R-Bar is widely used because it has superior constructability and current collection performance compared to the T-Bar, in Korea, the T-Bar is applied to the DC section and the R-Bar is applied to the AC section.

These rigid tram lines are installed to be supported in a fixed state by support brackets, etc. on general tracks. However, this fixed catenary method does not provide sufficient work space for a series of tasks related to vehicle inspection and maintenance, unloading and unloading of cargo, etc. in addition to the running of the train, especially work performed on the top of the railroad car, and electric shock and falls can occur in the catenary section. There are problems such as high risk of safety accidents.

In consideration of the above-mentioned problems, mobile rigid tram lines that enable the movement of tram lines are being used in inspection depots and cargo yards where maintenance and inspection work on railway vehicles and unloading of cargo are performed.

Hereinafter, the bracket system of a conventional mobile rigid catenary will be described in detail.

Figure 1 shows a front view of the bracket system of a conventional mobile rigid catenary.

The bracket system of a conventional mobile rigid catenary includes a support clamp (10) supporting the rigid catenary (20), a support bracket (30) on which the support clamp (10) is mounted at one end, and the support bracket (30) is rotated. In order to do so, a rotating shaft 50 is mounted perpendicularly to the other end of the support bracket 30, a reducer 70 connected to the rotating shaft 50 through a shaft coupler 60, and a reducer 70 connected to the reducer 70. It is configured to include a drive motor (80).

The rigid catenary (20) is configured to supply power while in contact with the pantograph (2) of the electric train (1) and is installed on the upper part of the railway by means of a support bracket (30). A support clamp 10 on which a rigid catenary 20 is mounted is provided at one end of the support bracket 30, and a rotation shaft is vertically mounted at the other end of the support bracket 30 to rotate the support bracket 30. (50) is provided.

The rotation shaft 50 is mounted on a support frame 40 installed on the ground or a wall, etc., and the rotation shaft 50 rotatably supports the rotation shaft 50 and attaches the rotation shaft 50 to the support frame 40. It is mounted via a mount member 41 for mounting. At this time, the mount member 41 is fixed to the support frame 40 by fixing members 43 and 45.

When the drive motor 80 operates in the state shown in FIG. 1 to rotate the rotation shaft 50, the support bracket 30 coupled to the rotation shaft 50 rotates, so it is mounted on the end of the support bracket 30. The rigid catenary (20) moves along the support bracket (30).

At this time, when avoidance operation of the mobile rigid catenary is necessary, if a power outage occurs or the drive motor 80 breaks down, the support bracket 30 must be manually rotated to move the rigid catenary 20. ) is applied as a servomotor, there is a problem in that the rotation shaft 50 and the support bracket 30 coupled thereto cannot be rotated due to the servomotor's own braking system.

Therefore, in the event of a power outage or failure of the drive motor 80, the drive shaft of the drive motor 80 and the rotation shaft 50 must be physically separated to enable manual operation of the support bracket. However, this requires dismantling the drive motor, etc. Workability was greatly reduced.

The present invention aims to provide a mobile rigid catenary driving device that blocks power transmission between the motor and the rigid catenary so that the rigid catenary can be moved with the driving force of the motor in normal times and the rigid catenary can be manually moved in an emergency. Make it an assignment.

In addition, the present invention aims to solve the problem of providing a mobile rigid catenary drive device that can manually disable power transmission between the drive motor and the rotating shaft even in the event of a power outage.

In order to solve the above problem, the present invention includes a drive motor coupled to a support frame; a rotation shaft mounted parallel to the support frame and driven by rotational force of the drive motor; A clutch unit capable of selectively transmitting or blocking the rotational force of the drive motor to the rotation shaft; And, a support bracket whose longitudinal end extends horizontally to be coupled to the rotating shaft, and on which the rigid catenary is mounted at the other longitudinal end, can be provided.

In addition, the clutch unit, a first clutch block located on the upper part of the drive motor and rotated by the rotational force provided from the drive motor, transmits power and blocks power by engaging or separating from the upper surface of the first clutch block. A second clutch block in which this is achieved, an electromagnet block located above the second clutch block that pulls the second clutch block upward when an electric current is applied to separate the second clutch block from the first clutch block, and It consists of a pressure spring that applies downward elastic force to the second clutch, and the rotation shaft is coupled with the second clutch block and can rotate together.

In addition, a first gear portion having a plurality of gears arranged in a circle around the rotation axis of the first clutch block is formed on the upper surface of the first clutch block, and the first gear and the lower surface of the second clutch block are formed. A second gear unit may be formed including a plurality of gears that are aligned with each other.

Here, a cylindrical protrusion is formed on the upper surface of the second clutch block, and a cylindrical inlet into which the protrusion is inserted is formed on the bottom surface of the electromagnet block, so that when the electromagnet block is fixed, the second clutch block Only it can be configured to be rotatable.

In this case, the electromagnet block may have an electromagnet built into the interior of the point corresponding to the upper surface of the protrusion.

In addition, the second clutch block has a flange extending in the horizontal direction from the outer peripheral surface, is mounted on the support frame in a structure capable of being raised and lowered, and has a lower mounting portion located on the bottom of the flange, so that when pushed upward, the second clutch block has a flange that extends horizontally from the outer peripheral surface. It may further include a lifting frame that propels the second clutch block upward.

In addition, it may further include a lifting lever that pulls the clutch wire connected to the lifting frame upward.

Additionally, the lifting lever and the clutch wire may be connected using a shock absorbing spring as a connecting medium.

Here, it may further include a reducer that reduces the rotational force output from the drive motor and then transmits it to the first clutch block.

In this case, it may include a pneumatic or hydraulic cylinder to propel the lifting frame upward.

In addition, the cylinder is fastened to the support frame and mounted on an upper mount supporting the rotating shaft, and the propulsion shaft of the cylinder is connected to the lifting frame to propel the lifting frame upward with respect to the support frame.

In addition, in order to solve the above problem, the present invention

Additionally, a pair of cylinders may be provided on the left and right sides on the upper mounting portion.

Here, the propulsion shaft of the cylinder may be connected to a bracket member fastened to the lifting frame.

According to the mobile rigid catenary driving device according to the present invention, when the driving motor fails, power transmission between the driving motor and the rotation shaft can be released, and the support bracket can be manually rotated when the driving motor breaks down.

In addition, according to the mobile rigid catenary driving device according to the present invention, there is an advantage that power transmission between the driving motor and the rotating shaft can be manually released even if the clutch operation is impossible due to a power outage or the like.

Figure 1 shows a front view of the bracket system of a conventional mobile rigid catenary.
Figure 2 shows a perspective view showing the mounting structure of the mobile rigid catenary driving device according to the present invention.
Figures 3 to 5 show a perspective view, front view, and cross-sectional perspective view of the mobile rigid catenary driving device according to the present invention.
Figure 6 shows an exploded perspective view showing the coupling structure of the second clutch block and the electromagnet block included in the mobile rigid catenary driving device according to the present invention.
Figure 7 shows an exploded perspective view of the first clutch block and the second clutch block.
Figures 8 to 10 show a use state diagram of the mobile rigid catenary driving device according to the present invention.
Figure 11 shows a perspective view of another embodiment of a mobile rigid catenary driving device according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosure will be thorough and complete, and so that the spirit of the invention can be sufficiently conveyed to those skilled in the art. Like reference numerals refer to like elements throughout the specification.

Figure 2 shows a perspective view showing the mounting structure of the mobile rigid catenary driving device according to the present invention, and Figures 3 to 5 show a perspective view, front view, and cross-sectional perspective view of the mobile rigid catenary driving device according to the present invention.

The mobile rigid catenary driving device according to the present invention is configured so that power transmission of the driving motor 200 can be blocked according to the user's selection when the support bracket 600 is rotated with the power of the driving motor 200. A functional feature is that when the motor 200 breaks down, the support bracket 600 can be rotated manually.

That is, the mobile rigid catenary driving device according to the present invention includes a driving motor 200 coupled to the support frame 100, and a rotation device mounted on the support frame 100 and driven by the rotational force of the driving motor 200. A shaft 500, a clutch unit 400 capable of selectively transmitting or blocking the rotational force of the drive motor 200 to the rotation shaft 500, and a longitudinal end horizontally coupled to the rotation shaft 500. It extends and includes a support bracket 600 on which a rigid catenary 610 is mounted at the other end in the longitudinal direction as a basic component. At this time, the support bracket 600, which rotates along the rotation shaft 500 to move the rigid catenary 610, is substantially the same as the support bracket 30 (see Figure 1) applied to the conventional bracket system for movable rigid catenary. Therefore, detailed description of the coupling structure and operating principle of the support bracket 600 will be omitted. In addition, in order to prevent the support bracket 600 from rotating excessively quickly, a reducer 300 is added to reduce the rotational force output from the drive motor 200 and then transmit it to the first clutch block 410. It can be provided with .

In the mobile rigid catenary drive device according to the present invention, the power output from the drive motor 200 (more specifically, the rotational force generated by the drive motor 200) is not always transmitted to the rotation shaft 500, but the drive motor ( Since power transmission is selectively blocked by the clutch unit 400 provided between the rotation shaft 500 and the rotation shaft 500, power transmission of the drive motor 200 is blocked when the drive motor 200 breaks down or malfunctions. There is an advantage in that the rotation of the support bracket 600 and the resulting movement of the rigid catenary 610 can be performed manually.

Meanwhile, the drive motor 200 is capable of continuous speed control in a wide range and is often applied as a servomotor with excellent responsiveness, including reversal. In the servomotor, the drive shaft stops due to failure or current supply interruption. When turned on, the drive shaft does not rotate in any direction and remains fixed. Therefore, when the drive motor 200 is applied as a servomotor and the rotation shaft 500 is directly coupled to the drive shaft of the servomotor, the rotation shaft 500 also cannot rotate in any direction, and thus the support A problem arises in that manual rotation of the bracket 600 becomes impossible.

However, in the mobile rigid catenary driving device according to the present invention, the connection between the drive shaft of the drive motor 200 and the rotation shaft 500 can be separated by the clutch unit 400, so the rotation shaft 500 of the drive motor 200 ) has the advantage of being able to move the rigid tramline 610 by manually rotating the support bracket 600 even if it is fixed so that it cannot rotate in any direction.

In addition, the clutch unit 400 has a structural feature in that the components that transmit the rotational force of the drive motor 200 are physically separated, and the physical separation of the components can be performed immediately.

That is, the clutch unit 400 includes a first clutch block 410 located above the drive motor 200 and rotated by the rotational force provided from the drive motor 200, and the first clutch block ( A second clutch block 420 that transmits power and blocks power by being attached to or separated from the upper surface of the 410), and is located on the upper side of the second clutch block 420 and when a current is applied, the second clutch block 420 It consists of an electromagnet block 430 that pulls upward to separate the second clutch block 420 from the first clutch block 410, and a pressure spring 440 that applies downward elastic force to the second clutch. .

Therefore, while the current is not applied to the electromagnet block 430, the second clutch block 420 is pressed downward by the pressure spring 440 and comes into close contact with the upper surface of the first clutch block 410, thereby causing the rotation. The shaft 500 rotates integrally with the drive shaft of the drive motor 200, that is, when the drive shaft of the drive motor 200 is fixed, the rotation shaft 500 also cannot rotate independently. However, when a current is applied to the electromagnet block 430 and becomes magnetic, the second clutch block 420 is propelled upward and attached to the electromagnet block 430, and the second clutch block 420 is attached to the first clutch block 430. Since it is separated so that it can rotate independently from the clutch block 410, the rotation shaft 500 connected to the second clutch block 420 can rotate independently even if the drive shaft of the drive motor 200 is fixed. The connection or separation structure of the first clutch block 410 and the second clutch block 420 will be described in detail below with reference to FIGS. 8 to 10.

On the other hand, when a current is applied to the electromagnet block 430, the electromagnet 432 embedded inside becomes magnetic and pulls the second clutch block 420 upward. When a power failure occurs, the electromagnet block 430 ) ceases to have magnetism, making it impossible to pull the second clutch block 420 upward, resulting in a problem in that the support bracket 600 cannot be rotated manually.

The mobile rigid catenary driving device according to the present invention pushes the second clutch block 420 upward so that it can be separated from the first clutch block 410 even in the event of a power outage. A lifting frame 700 may be additionally provided.

At this time, the second clutch block 420 is provided with a flange 421 extending in the horizontal direction from the outer peripheral surface, and the lifting frame 700 is mounted on the support frame 100 in a structure capable of being raised and lowered, and the flange 421 ) is configured to have a lower mounting portion 710 located on the bottom of the. Therefore, when the lifting frame 700 is pushed upward by the user, the lower mounting portion 710 of the lifting frame 700 pushes the flange 421 of the second clutch block 420 upward, The second clutch block 420 is spaced apart from the first clutch block 410.

As mentioned above, if a separate lifting frame 700 is provided to raise the second clutch block 420, even if the electromagnet block 430 does not operate due to a power outage, the user can manually lift the first clutch block 420. By disconnecting the block 410 and the second clutch block 420, the support bracket 600 can be manually rotated.

In addition, as shown in FIG. 5, the mobile rigid catenary driving device according to the present invention includes a clutch connected to the lifting frame 700 so that the user can manually tow the lifting frame 700 even in a distant position. It may further include a wire 720 and a lifting lever 800 that pulls the clutch wire 720 upward. In this way, when the clutch wire 720 and the lifting lever 800 are additionally provided, the user operates the lifting lever 800 even at a point far from the track to connect the first clutch block 410 and the second clutch block ( Since the connection of 420 can be released manually, not only is it very easy to disconnect the first clutch block 410 and the second clutch block 420, but also an immediate response is possible when an emergency situation occurs.

On the other hand, when the second clutch block 420 is pulled with the clutch wire 720 by operating the lifting lever 800, if the pulling distance of the clutch wire 720 by the lifting lever 800 is set excessively long, The second clutch block 420 is pressed against the electromagnet block 430 with a very large force, causing the second clutch block 420 or the electromagnet block 430 to be damaged or the clutch wire 720 to be broken. It can be. Of course, if the traction distance of the clutch wire 720 is set short from the beginning, there is no risk of the above problem occurring, but the rising distance of the second clutch block 420 is too short and the distance between the first clutch block 410 and the second clutch block 420 is too short. Separation may not be performed properly.

Therefore, in the mobile rigid catenary driving device according to the present invention, even if the traction distance of the clutch wire 720 by manipulating the lifting lever 800 is set to be somewhat long, the second clutch block 420 blocks the electromagnet block with excessively large force. A buffer spring 810 connecting the elevating lever 800 and the clutch wire 720 may be additionally provided so as not to be compressed by 430.

In this way, when the lifting lever 800 and the clutch wire 720 are connected with the buffer spring 810 as a connecting medium, even if the clutch wire 720 is pulled excessively, the second clutch block 420 is an electromagnet block ( After being in close contact with 430, the buffer spring 810 is stretched to absorb the displacement of the clutch wire 720, so that the second clutch block 420 is not impacted with an excessively large force on the electromagnet block 430. This phenomenon or disconnection of the clutch wire 720 can be prevented.

Figure 6 shows an exploded perspective view showing the coupling structure of the second clutch block 420 and the electromagnet block 430 included in the mobile rigid catenary driving device according to the present invention.

Since the electromagnet block 430 is connected to a wire so that it can receive current from the outside, even if the second clutch block 420 rotates, it must remain fixed without rotating along the second clutch block 420. do. At this time, if the second clutch block 420 and the electromagnet block 430 are configured to make simple surface contact, the second clutch block 420 may shake in the horizontal direction when the second clutch block 420 rotates. There are concerns.

The mobile rigid catenary driving device according to the present invention includes the second clutch block 420 so that the second clutch block 420 can rotate stably without shaking in the horizontal direction while the electromagnet block 430 is fixed. ), a cylindrical protrusion 424 is formed on the upper surface, and a cylindrical inlet 434 into which the protrusion 424 is inserted is preferably formed on the bottom of the electromagnet block 430.

In this way, the outer surface of the protrusion 424 of the second clutch block 420 is inserted so that the outer surface simply contacts the inner surface of the inlet part 434 of the electromagnet block 430, rather than being pressed. Therefore, the second clutch block 420 is The effect of being able to only rotate without shaking in the horizontal direction can be achieved.

At this time, the lower end of the rotary shaft 500 penetrates the keyhole 436 on the inlet side of the electromagnet block 430 and is then inserted into the keyhole 426 on the protruding side of the second clutch block 420, so that the rotary shaft 500 Rotates independently of the electromagnet block 430, but rotates integrally with the second clutch block 420.

Figure 7 shows an exploded perspective view of the first clutch block 410 and the second clutch block 420.

The first clutch block 410 and the second clutch block 420 are configured to enable power transmission when pressed against each other and to block power transmission when spaced apart from each other. The first clutch block 410 and the second clutch block 420 If (420) is configured as a friction clutch structure, that is, if power transmission is determined according to the size of mutual friction force, the second clutch block 420 does not rotate even if the first clutch block 410 rotates. may occur. For example, when the friction between the first clutch block 410 and the second clutch block 420 decreases, or the load on the support bracket 600 increases, a large force is required to rotate the second clutch block 420. , Even if the first clutch block 410 is in close contact with the second clutch block 420, only the first clutch block 410 may rotate.

The mobile rigid catenary driving device according to the present invention has the first clutch block 410 and the second clutch block 420 geared so that the first clutch block 410 and the second clutch block rotate at the same rotation speed. Can be combined in a bonding structure. That is, as shown in FIG. 7, the first gear unit 412 is provided on the upper surface of the first clutch block 410 with a plurality of gears arranged in a circle around the rotation axis of the first clutch block 410. ) is formed, and a second gear unit 422 may be formed on the bottom of the second clutch block 420 and is provided with a plurality of gears that are aligned with the first gear 412.

In this way, when the first gear 412 and the second gear 422 are formed on the upper surface of the first clutch block 410 and the lower surface of the second clutch block 420, respectively, the first gear 412 and the second gear 422 As long as the gear engagement between the gears 422 is maintained, the first clutch block 410 and the second clutch block 420 can rotate at the same rotation speed, so the rotation angle of the support bracket 600 can be adjusted very precisely. There is an advantage in that it can be done.

Figures 8 to 10 show a use state diagram of the mobile rigid catenary driving device according to the present invention.

When power is transmitted between the first clutch block 410 and the second clutch block 420, that is, when the force that propels the second clutch block 420 upward is not applied, as shown in FIG. 8 The second clutch block 420 is pressed downward by the elastic force of the pressure spring 440 installed between the second clutch block 420 and the electromagnet 432 block and is pressed to the upper surface of the first clutch block 410. It adheres closely.

In this way, when the second clutch block 420 is in close contact with the upper surface of the first clutch block 410, the first gear 412 and the second gear 422 are in a gear-coupled state, so the drive motor 200 When driven, the rotational force of the drive motor 200 is transmitted to the rotation shaft 500 through the first clutch block 410 and the second clutch block 420, and the support bracket 600 is connected to the rotation shaft 500. ) is rotated along and ultimately the rigid tram line 610 moves.

When current is applied to the electromagnet block 430 in the state shown in FIG. 8, the electromagnet 432 embedded in the electromagnet block 430 becomes magnetic, so as shown in FIG. 9, the second clutch block 420 ) moves in the direction toward the electromagnet 432, that is, upward, and comes into close contact with the electromagnet block 430. At this time, when the electromagnet 432 is built into the area corresponding to the side of the protrusion 424, the side wall of the protrusion 424 of the second clutch block 420 is attached to the inner wall of the inlet part 434 of the electromagnet block 430. Since it cannot move upward smoothly, the electromagnet block 430 is preferably built inside a point corresponding to the upper surface of the protrusion 424 as shown in this embodiment.

In this way, when the second clutch block 420 moves upward and comes into close contact with the electromagnet block 430, the second gear 422 is separated from the first gear 412, so in the state shown in FIG. 9, the second gear 422 is separated from the first gear 412. 1 Even if the clutch block 410 is fixed, the second clutch block 420 can be rotated independently, that is, even if the drive shaft of the drive motor 200 and the first clutch block 410 connected to it are fixed, the user can The effect of being able to manually rotate the support bracket 600 can be obtained.

Meanwhile, the mobile rigid catenary driving device according to the present invention moves the second clutch block 420 upward even when current cannot be applied to the electromagnet block 430 due to a power outage or abnormality of the current supply device. 2 The clutch block 420 may be spaced apart from the first clutch block 410. That is, in the state shown in FIG. 8, when the user operates the lifting lever 800 and pulls the clutch wire 720 upward (see FIG. 5), the lifting frame 700 is moved upward by the clutch wire 720. It is towed, and as a result, the lower mounting portion 710 of the lifting frame 700 pulls the flange 421 of the second clutch block 420 upward, so as shown in FIG. 10, the second clutch block 420 ) is in close contact with the electromagnet block 430.

Even in the case shown in FIG. 10, the second gear 422 is separated from the first gear 412, so even if the first clutch block 410 is fixed, the second clutch block 420 can rotate independently. That is, the user can manually rotate the support bracket 600 even if the drive shaft of the drive motor 200 and the first clutch block 410 connected thereto are fixed.

At this time, in this embodiment, a lower mounting portion 710 is provided that is fastened to the lifting frame 700 so that the second clutch block 420 is not tilted to one side, and when the lifting frame 700 is raised or lowered, the lower part 710 is provided. The mounting portion 710 may be driven up and down together.

The lower mounting portion 710 supports the entire flange 421 of the second clutch block 420 and propels it upward. However, the lifting frame 700 is moved upward by the clutch wire 720. If the second clutch block 420 can be propelled without tilting when towed, the design may be changed in various ways.

Figure 11 shows a perspective view of another embodiment of a mobile rigid catenary driving device according to the present invention. Descriptions that overlap with those referring to FIG. 3 and below will be omitted.

3 and below, the lifting frame 700 was connected to the clutch wire 720, and the clutch wire was manually operated by manipulating the lifting lever 800.

However, the lifting frame 700 may also be configured by a cylinder propulsion method rather than a wire traction method.

The mobile rigid catenary driving device according to the present invention may be configured to include a pneumatic or hydraulic cylinder 740 for propelling the lifting frame 700 upward.

In the embodiment shown in FIG. 11, in order to propel the lifting frame 700 upward, two mounts on the left and right are fastened to the support frame 100 and support the rotating shaft 500 and bearings, etc. Cylinder 740 is installed, and the propulsion shaft 743 of each cylinder 740 may be mounted to propel the lower portion of the bracket member 750 that is fastened to the lifting frame 700.

Each cylinder 740 is provided with a connection valve 741 to which a pneumatic or hydraulic line is connected, so that a pneumatic device (not shown) or a hydraulic device (not shown) for applying pneumatic or hydraulic pressure can be connected to the cylinder, It may be configured to regulate pneumatic or hydraulic pressure.

The upper mounting part 730 is fastened to the support frame 100, unlike the lower mounting part 710, which is fastened to the lifting frame 700. When the cylinder 740 is driven, the propulsion shaft of the cylinder 740 (743) pushes the bracket member 750 upward, and the frame 700 fastened to the bracket member 750 is pushed upward, so that the clutch wire 720 pulls the frame upward in the above-described embodiment. The same effect can be achieved.

Therefore, the pneumatic or hydraulic cylinder 740 can be used to lift and lower the lifting frame 700 more quickly than the clutch wire 720 and lifting lever 800 method described above.

In addition, a pneumatic or hydraulic cylinder 740 for propelling the lifting frame 700 upward is provided with a clutch wire 720 and a lifting lever 800 and is configured to selectively determine the means for lifting the lifting frame 700. It could be.

Although this specification has been described with reference to preferred embodiments of the present invention, those skilled in the art may make various modifications and changes to the present invention without departing from the spirit and scope of the present invention as set forth in the claims described below. It will be possible to implement it. Therefore, if the modified implementation basically includes the elements of the claims of the present invention, it should be considered to be included in the technical scope of the present invention.

100: support frame
200: driving motor
300: Reducer
400: Clutch unit

Claims (13)

A drive motor coupled to the support frame;
a rotation shaft mounted parallel to the support frame and driven by rotational force of the drive motor;
A clutch unit capable of selectively transmitting or blocking the rotational force of the drive motor to the rotation shaft; and,
A movable rigid catenary driving device comprising a support bracket, one longitudinal end of which extends horizontally to be coupled to the rotating shaft, and the other longitudinal end on which the rigid catenary is mounted. According to paragraph 1,
The clutch unit includes a first clutch block located on top of the drive motor and rotated by rotational force provided from the drive motor, and power transmission and power interruption by being coupled or separated from the upper surface of the first clutch block. A second clutch block, an electromagnet block located above the second clutch block that pulls the second clutch block upward when an electric current is applied to separate the second clutch block from the first clutch block, and the second clutch block It consists of a pressure spring that applies downward elastic force to the clutch,
A mobile rigid catenary driving device, characterized in that the rotation shaft is coupled with the second clutch block and rotated together. According to paragraph 2,
A first gear portion is formed on the upper surface of the first clutch block and is provided with a plurality of gears arranged in a circle around the rotation axis of the first clutch block,
A mobile rigid catenary driving device, characterized in that a second gear portion provided with a plurality of gears that are aligned with the first gear is formed on the bottom of the second clutch block. According to paragraph 2,
A cylindrical protrusion is formed on the upper surface of the second clutch block, and a cylindrical inlet into which the protrusion is inserted is formed on the bottom of the electromagnet block,
A mobile rigid catenary driving device, characterized in that it is configured so that only the second clutch block can rotate while the electromagnet block is fixed. According to paragraph 4,
The electromagnet block is a mobile rigid catenary drive device, characterized in that an electromagnet is built into the interior of a point corresponding to the upper surface of the protrusion. According to paragraph 2,
The second clutch block has a flange extending horizontally from the outer peripheral surface,
It is mounted on the support frame in a structure capable of being lifted up and down, and has a lower mounting portion located on the bottom of the flange, and further includes a lifting frame that propels the second clutch block upward when pushed upward. Rigid catenary drive device. According to clause 6,
A mobile rigid catenary driving device further comprising a lifting lever that pulls the clutch wire connected to the lifting frame upward. In clause 7,
A mobile rigid catenary driving device, characterized in that the lifting lever and the clutch wire are connected through a buffer spring as a connecting medium. According to paragraph 1,
A mobile rigid catenary driving device, characterized in that it further comprises a reducer that reduces the rotational force output from the drive motor and then transmits it to the first clutch block. According to clause 6,
A mobile rigid catenary driving device comprising a pneumatic or hydraulic cylinder for propelling the lifting frame upward. According to clause 10,
The cylinder is fastened to the support frame and mounted on an upper mount supporting the rotating shaft, and the propulsion shaft of the cylinder is connected to the elevating frame to propel the elevating frame upward with respect to the support frame. Mobile rigid catenary driving device. According to clause 11,
A mobile rigid catenary driving device, characterized in that the cylinder is provided in a pair on the left and right on the upper mounting portion. According to clause 10,
A mobile rigid catenary driving device, characterized in that the propulsion shaft of the cylinder is connected to a bracket member fastened to the lifting frame.