KR20190088328A - Rollered rail clamping braking device - Google Patents

Abstract

The present invention relates to a roll type rail clamping braking apparatus to double operational reliability. According to the present invention, the roll type rail clamping braking apparatus comprises a fixing unit. The fixing unit comprises a release bolt (17) having a lower end part fixed to a spring plate (7) and vertically installed to pass through a top plate (6) and a release nut (16) screw-coupled to the release bolt (17) to adjust the gap between the top plate (6) and the spring plate (7).

Description

[0001] Roller type rail clamping braking device [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller-type rail clamping braking device, and more particularly, to a rail-type rail clamping braking device which is used as a safety braking device for various mechanical devices such as a shelter, It provides easy initial installation and maintenance by using the nut, can release the clamping state of the jaw clamp manually, compensates the horizontal and vertical displacements of the rail to ensure stable clamping operation, clamps with a plurality of limit switches, The present invention relates to a roller-type rail clamping braking device for doubling the reliability of operation by sensing the state accurately.

Generally, in the case of a movable shell tether for outdoor work place which can be moved by a plurality of wheels on a rail, a structure is often pushed due to the influence of wind such as strong wind or gust of wind, and it is directly connected with safety accident. Conventionally, every time the moving structure moves, the operator simply takes the cumbersome and unstable action of fixing the structure between the wheel and the rail with a wedge or fixing the structure with a separate chain.

In the case of a bogie or a crane, a clamping braking device for clamping a rail is used, which is operated by an internal spring and released by hydraulic pressure. However, most of them use a clamping pad And it is somewhat difficult to apply when a high load or a high braking force is required. However, since a plurality of braking devices are installed and used, the problem becomes more complicated than necessary.

If the equipment is to be moved in a state of being clamped, the hydraulic pressure needs to be applied. If the hydraulic device including the hydraulic cylinder is to be maintained, there is a problem in that it is inconvenient to interrupt the use of the equipment .

In addition, since the hydraulic device including the hydraulic cylinder is disposed so as to be horizontally clamped with the rail, it is possible to dismantle all the mechanical elements inside the apparatus when the hydraulic cylinder is serviced, resulting in a waste of manpower and time .

In order to solve the above problems, the inventor of the present invention filed and filed a registration application No. 20-0330229.

The roller-type rail clamping braking device provided in the registered utility model is a roller type rail clamping braking device for braking a structure by clamping a rail by a hydraulic cylinder and a toothed pad interlocked by the hydraulic cylinder, A hydraulic pressure generating unit including the hydraulic cylinder, a piston rod operated by the hydraulic cylinder, and a control unit for controlling the hydraulic pressure of the hydraulic cylinder; A spring plate connected to a lower side of the hydraulic cylinder; a base plate positioned on a lower side of the spring plate; and a body composed of a spring rod for mutually supporting the plates Wealth; A central pin connected to the spring plate and interlocked by the piston rod, a pair of mutually rotatable toggle via the central pin, and a pair of interlocking gears connected by rotation of the toggle, And a spring fitted to the spring rod on the lower side of the spring plate; And a fixing part formed on the upper side spring rod of the spring plate to fix the position of the spring plate to a fixed level. By applying the toggle joint method, the clamping force against the rail is further strengthened, It is possible to provide a roller-type rail clamping braking device capable of maintaining the clamping state intact even when the function of the hydraulic device is removed during maintenance and maintenance.

KR Registration Office 20-0330229 KR Patent No. 10-1509219

Accordingly, in the present invention, the roller-type rail clamping braking device is further developed without resting on the registered utility model of the inventor of the present invention, thereby improving ease of use and reliability of operation.

Particularly, in the present invention, it is possible to easily install the roller-type clamping device of the roller type at the initial stage, to facilitate the maintenance, to manually operate the clamping operation and the unclamping operation of the clamping device without the hydraulic device, and by using the two limit switches The clamping operation of the correct jaw clamp can be performed while the guide roller rolls on the rails while accurately detecting the operation and the release, and a plotter is provided to compensate the horizontal and vertical displacements of the rail to double the accuracy of the clamping operation To provide a rail-type rail clamping braking device.

The roller-type rail clamping braking device of the present invention comprises: A body portion including a hydraulic cylinder provided at a lower portion of the top plate and extending and contracting a piston rod, a spring plate connected to the top plate and the bottom of the hydraulic cylinder by a plurality of spring rods, and a bottom plate connected to the spring rod below the spring plate, A center pin connected to the spring plate and interlocked with the piston rod, a pair of toggle links rotatable with respect to the center pin as starting points, and a pair of paired An operation part including a jaw clamp, a plurality of springs installed below the spring plate, and a fixing part capable of fixing the position of the spring plate to a constant level,

The fixing unit includes a release bolt having a lower end fixed to the spring plate and vertically installed to pass through the top plate;

And a relief nut screwed to the relief bolt to adjust an interval between the top plate and the spring plate.

Further, on both sides of the bottom plate, there are provided a vertical lifting piece to which pins are vertically fitted and fixed to the frame,

And a flat plate provided on a bracket on which a guide roller is installed, the horizontal adjustment piece having a vertical guide groove capable of being vertically adjusted.

Two limit switches installed at the lower portion of the top plate to detect the operation of the spring plate and output a signal to the control unit to control the hydraulic pressure of the hydraulic cylinder;

And the limit switch can be detected by a sensing piece of a sensing rod installed between the top plate and the spring plate.

The roller-type rail clamping braking device provided in the present invention is characterized in that a release bolt and a relief nut screwed to the release bolt are installed between the top plate and the spring plate so that the jaw clamp is unclamped This allows the clamping and unclamping of the jaw clamp to be manually performed without the need for a hydraulic device. By using a plurality of limit switches, it is possible to double the reliability of operation by accurate detection operation, The horizontal and vertical displacements of the rails can be compensated by the plotter, and the clamping operation of the stable jaw clamp can be ensured.

1 is a perspective view of a partially cutaway state showing the entire configuration of a roller type rail clamping braking device provided by the present invention;
2 is a front elevational view showing the entire configuration of the roller type rail clamping braking device provided by the present invention.
Fig. 3 is a side view of the roller-type rail clamping braking device provided by the present invention, in which the clamping state side view of the jaw clamp
Fig. 4 is a side view of the roller-type rail clamping braking device provided by the present invention, in which the unclamping state side view of the jaw clamp
Figs. 5 and 6 show the state in which the roller-type rail clamping braking device provided in the present invention is installed,

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts have the same reference numerals as much as possible. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

As used herein, the terms "substantially", "substantially", and the like are used herein to refer to a value in or near the numerical value when presenting manufacturing and material tolerances inherent in the meanings mentioned, Absolute numbers are used to prevent unauthorized exploitation by unauthorized intruders of the mentioned disclosure.

The roller-type rail clamping braking device provided in the present invention can reliably perform clamping operation and unclamping operation of the jaw clamp even when the hydraulic device is not used by using the relief nut, and provides ease of initial installation and maintenance, .

Further, it is possible to accurately detect the operation and the release of the jaw clamp provided with the braking pad with the two limit switches, thereby controlling the operation of the hydraulic apparatus.

In addition, two guide rollers are installed on the lower part of the frame so that accurate clamping operation can be performed while rolling on the rails, and a plotter is provided to compensate the horizontal and vertical displacements of the rails, thereby doubling the accuracy of clamping operation of the jaw clamp Thereby providing a roller-type rail clamping braking device.

Fig. 1 is a perspective view showing the entire roller-type rail clamping braking device provided in the present invention, Fig. 2 is a front view, and Fig. 3 is a side view.

The rail-type rail clamping braking device of the present invention includes a plurality of guide rollers 1 capable of rolling motion along the upper surface of a rail R. A hydraulic device 3 is provided on the frame 2, A body part for supporting the device 3, an operating part operated by the hydraulic device 3, and a fixed part for fixing the operation of the operating part constantly.

The hydraulic device 3 includes a hydraulic cylinder 4, a piston rod 5 operated by the hydraulic cylinder 4, and a control unit (not shown) for controlling the hydraulic pressure of the hydraulic cylinder 4 .

The body portion includes a top plate 6 formed as an upper portion of the hydraulic cylinder 4, a spring plate 7 connected to a lower portion of the hydraulic cylinder 4, a bottom plate 8), and a spring rod (9) for mutually supporting the plates.

The spring rod 9 is bolted to the bottom plate 8 so as to be vertically installed, and the spring plate 7 and the top plate 6 are sequentially positioned thereon. The spring rods 9 are installed in four directions around the operating portion.

The operating portion includes a center pin 10 connected to the spring plate 7 and interlocked by the piston rod 5, a toggle link 11 rotatable with respect to the center pin 10 via the center pin 10, A pair of jaw clamps 14 provided on the bottom plate 8 and operatively movable in opposite directions to each other with a serrated pad 12 at the end thereof, And a spring 15 fitted to the spring rod 9 on the lower side of the plate 7.

Relief bolts 17 are fastened to both sides of the fixing part in a vertical direction between the top plate 6 and the spring plate 7. The relief bolts 17 are screw- Has a height extending to the top of the top plate (6).

The relief nut 16 is screwed up and down on the relief bolt 17 from the bottom of the top plate 6 so that the top plate 6 can be vertically spaced from the spring plate 7, Allowing the operation and disengagement of the jaw clamp 14 manually without the device 3. [

On the other hand, the hydraulic cylinder 4, the toggle link 11, the jaw clamp 14 and the like are installed at the center of the roller type clamping braking device of the present invention, and the spring rods 9 are arranged in the four directions.

Two limit switches 18 and 19 are installed on the bottom of the top plate 6 to sense the operation of the spring plate 7 and control the oil pressure of the output hydraulic cylinder 4 to the control unit . The limit switches 18 and 19 can be respectively sensed by the sensing pieces 21 of the separate sensing rods 20 provided between the top plate 6 and the spring plate 7.

The limit switches 18 and 19 determine the position of the spring plate 7 and automatically check the operation of the hydraulic cylinder 4 after checking whether the clamping operation of the rails R and the pads 12 is an electrical signal Role.

Although the spring 15 provided between the spring plate 7 and the bottom plate 8 is constituted by two springs 15 having different diameters in the inside and outside of the spring 15, the roller type clamping braking device The number of the crane can be increased or decreased according to the load of the crane or the like.

The plotter 22 is installed on both sides of the bottom plate 8 to compensate for the horizontal and vertical displacements of the rail R so that the roller-type rail clamping braking device can stably move along the guide rollers 1.

The floater 22 includes a vertical lift piece 24 and a vertical guide groove 25 to which the vertical lift piece 24 can be vertically lifted and lowered, The horizontal adjustment piece 26 in the middle can be horizontally moved to the bracket 27 on which the guide roller 1 is installed to compensate for the displacement.

Reference numeral 28 denotes a crane.

As shown in FIGS. 5 and 6, the roller-type rail clamping braking device of the present invention, which can be implemented as described above, includes at least one crane 28 (in the illustrated example, two front and rear crane brakes) The operation of the jaw clamp 14 is performed as in the registered utility model 20-0330229 already registered.

That is, as shown in FIG. 3, the sawtooth pad 12 clamps the rail R. When the hydraulic pressure acting on the hydraulic cylinder 4 is reduced, the piston rod 5 of the hydraulic cylinder 4 Is moved toward the hydraulic cylinder 4 and the spring plate 7 which is urged by the spring 15 to move toward the hydraulic cylinder 4. [

The center pin 10 interlocked with the piston rod 5 is also moved toward the hydraulic cylinder 4 so that the pair of toggle links 11 are rotated from the center pin 10 to the both ends, The ends of the pair of jaw clamps 14, that is, the ends of the jaw clamps 14 fastened to the jaw grips 13, are actuated in a toggle joint manner.

The rotational direction of the jaw is changed by the jaw pin 13 positioned at the lower center of the blind jaw clamp 14 so that the serrated pad 12 is narrowed in the direction of contact with the rail R, So that the rail R can be continuously clamped.

On the other hand, when it becomes necessary to release the clamping state of the jaw clamp 14 in order to move the crane 28 or the like, the hydraulic pressure of the hydraulic cylinder 4 is increased as shown in Fig. 4, The center pin 10 is pressed downward by the spring 15. The force pressed by the hydraulic cylinder 5 presses the spring plate 7 which is supported by the spring 15 sufficiently The pair of toggle links 11 are rotated from the center pin 10 to be narrowed at both ends and the ends of the jaw clamp 14 move inward to each other, (12) are spaced apart from the rail (R) by a predetermined distance and are switched to an unclamping state.

In the meantime, according to the present invention, a plurality of limit switches 18 and 19 provided under the top plate 6 are selectively sensed by the sensing pieces 21 of the sensing rods 20 and the clamping and unclamping states of the jaw clamp 14 And transmits the electric signal to the control unit to control the hydraulic device 3 to implement a more accurate control operation.

When the roller-type rail clamping braking device of the present invention is installed on the crane 28 or the like and moves along the rail R, the guide rollers 1 roll and move on the upper surface of the rail R, R so as to perform an accurate clamping operation of the jaw clamp 14 by compensating the horizontal and vertical displacements of the jog clamp 14 by the floater 22. The float 22 is mounted on the frame 2 by a vertical lift And the horizontal adjustment piece 26 is vertically elevated along the vertical guide groove 25 of the horizontal adjustment piece 26. The horizontal adjustment piece 26 is horizontally adjusted along the bracket 27 provided with the guide roller 1, Regardless of whether the rail R is horizontally or vertically displaced, the entire operating portion provided with the jaw clamp 14 compensates for the upward and downward movement and the displacement in the left and right horizontal directions to perform clamping and unclamping operations at a constant position with respect to the rail R Can be performed.

Meanwhile, in order to perform initial installation and maintenance, the roller-type rail clamping braking device of the present invention must stop the operation of the hydraulic device 3 and proceed with the unclamping operation of the jaw clamp 14. At this time, The spring plate 7 to which the lower end of the release bolt 17 is fixed is lowered so that the release nut 16 screwed on the release plate 17 is screwed up to the lower end of the top plate 6, The clamp 14 is simply switched to the unclamping state.

As described above, the roller-type rail clamping braking device of the present invention is characterized in that the release bolt 17 and the release nut 16 screwed to the release bolt 17 are installed between the top plate 6 and the spring plate 7, It is possible to maximize the convenience of the operation by making the jaw clamp 14 work in the unclamping state with the help of the cylindrical nut 16 and the clamping and unclamping of the jaw clamp 14 can be performed without the operation of the hydraulic device 3. [ And the reliability of the operation can be doubled by accurate sensing operation using a plurality of limit switches 18 and 19. The horizontal and vertical displacements of the rail R can be compensated by the plotter 22 The clamping operation of the stable jaw clamp 14 can be ensured.

Although the present invention has been described in connection with the preferred embodiments thereof with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of protection of the present invention is not limited to the above embodiments, but the scope of the scope of the present invention should be recognized from the technical scope of the following claims and equivalents thereof.

1: Guide roller 2: Frame 3: Hydraulic device 4: Hydraulic cylinder 5: Piston rod 6: Top plate 7: Spring plate 8: Bottom plate 9: Spring rod 10: Center pin 11: Toggle link 12: Pad 13: 14: Limit switch 20: Detection rod 21: Detection piece 22: Plotter 23: Pin 24: Vertical lift piece 25: Vertical guide groove 26: Horizontal guide groove 18: Adjustment 27: Bracket R: Rail

Claims (3)

A hydraulic cylinder 4 installed under the top plate 6 and extending and contracting the piston rod 12 and a spring plate connected to the bottom plate 6 of the hydraulic cylinder 4 by a plurality of spring rods 9 And a bottom plate 8 connected to the spring rod 9 below the spring plate 7 and a bottom plate 8 connected to the spring plate 7 and interlocked by the piston rod 5, A pair of toggle links 11 which are rotatable with respect to the center pin 10 and which are rotatable with respect to each other and a pair of tongue links 11 interlocked by the rotation of the toggle link 11, An operating part made up of a jaw clamp 14 of the spring plate 7 and a plurality of springs 15 provided below the spring plate 7 and a roller unit including a fixed part capable of fixing the position of the spring plate 7 CLAIMS What is claimed is: 1. A rail clamping braking system comprising:
The fixing part includes a release bolt (17) having a lower end fixed to the spring plate (7) and vertically installed to pass through the top plate (6);
And a relief nut (16) screwed to the relief bolt (17) to adjust an interval between the top plate (6) and the spring plate (7).
The method of claim 1,
At both sides of the bottom plate 8, there are provided a vertical lifting piece 24 to which a pin 23 is fitted up and down on the frame 2,
And a floater 22 provided on a bracket 27 on which a guide roller 1 is mounted is provided with a horizontal adjustment piece 26 having a vertical guide groove 25 in which the vertical lift piece 24 can be moved up and down Wherein said braking device is a braking device.
The method of claim 1,
Two limit switches 18 and 19 are installed below the top plate 6 to detect the operation of the spring plate 7 and output the signals to the control unit to control the hydraulic pressure of the hydraulic cylinder 4. ;
The limit switches 18 and 19 can be respectively sensed by the sensing pieces 21 of the sensing rods 20 provided between the top plate 6 and the spring plate 7. [ Device.

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