KR20210000005A - Lift Worktable For Railway - Google Patents

Abstract

The present invention relates to a lift worktable for a railroad. More specifically, the present invention relates to the lift worktable for a railroad, which is easily and rapidly installed and disassembled and enables a work foothold to be lifted. The present invention improves work efficiency.

Description

Lift Worktable For Railway{Lift Worktable For Railway}

The present invention relates to a lift workbench for railroad tracks, and more particularly, to an assembly-type railroad lift workbench that is easy and fast to install and dismantle, and a working footboard is liftable.

Scaffolding (飛階) is a temporary temporary installation that is installed to work in a high place (high place) when performing various tasks, and is collectively referred to as a work surface temporarily installed at a high place and a structure supporting it.

Such scaffolding is commonly used in construction sites or high place work of installation and maintenance of various structures, and it is common to weave a frame with a plurality of pipes, etc., and mount a scaffold called a chieftain on the woven frame.

However, these scaffolds are widely used due to the flexibility of installation and the low cost of the installation materials themselves, but because a plurality of pipes must be arranged and fixed to be staggered for installation, time and manpower are invested in installation or disassembly. There were problems such as that it must be installed, that it cannot be moved until dismantled once it is installed, and that labor costs and space consumption are rather large for short works such as signboards and wall work.

On the other hand, in order to solve this problem, an aerial workbench that can be easily moved and can work at an altitude, a so-called movable table lift, has been developed.

The movable table lift is generally implemented in a so-called X-lift method by having a base with wheels to enable movement, a hydraulic cylinder mounted on the base, and linking a plurality of bars to form an X-shape. These movable table lifts are divided in standards according to the height of work at high places, and an operation panel is provided on the work platform on which the operator is boarded so that the movement of the base and the elevation of the work platform can be controlled.

However, such a portable table lift has the advantage of being easy to move and lift, but it can be used only in a place with a flat floor, so the flexibility of the work place is poor, and the driving motor for movement, hydraulic cylinder and hydraulic motor, etc. Since all the devices are installed on the base, the base becomes very heavy, and the base itself must be designed very heavy to prevent the fall in the state of being elevated to a high space, so when there are irregularities on the floor, there is no way to go over it. It is a reality that there is a lot of difficulty in moving to the work place in the beginning due to the weight of the equipment itself and the need to use the equipment.

On the other hand, transportation through rails such as subways and railroads has made a great deal of technological development since its development, and has become an indispensable means of transportation in modern times.

However, facilities such as subways also require continuous management and maintenance for smooth use, and in particular, subways are an environment inevitably accompanied by work at high places due to a power supply method.

Therefore, there is a need for a workbench that can move on the track and work at high places. As described above, the movable table lift cannot be used because it cannot be settled on the track itself. Installation and disassembly to work with scaffolding There was a problem in that it was impossible to work all the work sections within the limited working time because it took too much time.

In this situation, conventionally, a method of working while the wheeled car is moved by installing a scaffold on a wheeled car that can be seated and moved on the track is used, but the conventional worktable of this type is installed due to the nature of the installation and dismantling of the scaffold itself. And the problem of taking a lot of time to dismantle, the problem of not creating a flexible work environment because height adjustment is impossible once the scaffolding is installed, and even in the procurement of tools, tools, etc., must be continuously procured from bottom to top or top to bottom There is a problem in that the efficiency is very deteriorated when working within a limited time due to the troublesomeness and the like.

Accordingly, there is an urgent need to develop a technology for a worktable that can be moved on a track, assemble and dismantle is quick and easy, and a height adjustable.

An object of the present invention is to provide a lift workbench for an assembly type railroad that is easy and fast to install and dismantle, and a working scaffold is liftable.

The above-described object of the present invention is a lift worktable for a prefabricated railroad that is installed on a track and provided to perform high place work, a base frame having a rectangular shape, and being formed on the bottom surface of the base frame, but moving along the track. A base frame portion having a roller seated on the track so as to be capable of, a vertical frame formed in a rectangular shape and coupled to be perpendicular to one side of the base frame portion, and one side is coupled to the vertical frame and the other side is centered on the summation portion. After being rotated by a predetermined angle, a vertical frame part having a support bar that is pin-coupled to the upper surface of the base frame of the base frame part to fix the vertical frame, a working footrest formed in a rectangular shape with a bottom surface for an operator to ride, and the work A lifting part having a pair of lifting guides formed at both ends of one side of the working scaffold so that the scaffolding can slide up and down along the vertical frame part, and a driving motor mounted on the vertical frame part, and mounted on the upper end of the vertical frame part A lift for assembly type railroad comprising a wire roller and a driving part having a lifting wire coupled to one side of the lifting part by which one side is coupled to the driving motor and the other side is changed by the wire roller to elevate the lifting part This can be achieved by providing a workbench.

Here, the base frame portion may further include guide rollers formed on the bottom surface of the base frame and supporting both sides of the track so as not to be separated from the track.

In addition, the vertical frame portion may further include a support frame protruding so as to support the wall surface at the upper end.

In addition, the elevating unit may further include a fall prevention guide formed around the working footboard to prevent the worker from falling.

In addition, roller guides for preventing friction when sliding with the vertical frame portion may be installed at upper and lower ends of the guides of the elevating unit.

In addition, the bottom surface of the elevating part may be a mesh plate.

According to the prefabricated table lift according to the present invention, while being able to move along the track, the worktable can be raised and lowered, thereby increasing the difficulty of work and work efficiency.

In addition, it is possible to more stably support the base frame portion by including guide rollers supporting both sides of the track on the bottom surface of the base frame.

In addition, since the base frame portion and the vertical frame portion are coupled with a coupling member such as bolts or pins, installation and disassembly are very quick and easy.

In addition, guide rollers are mounted on the upper and lower ends of the lifting guide to ensure stable lifting and lowering, and friction is reduced to improve the durability of the lifting guide and the vertical frame.

In addition, since the bottom surface of the lifting unit is made of a porous mesh plate, the load of the driving unit is reduced, saving energy resources, preventing slippage, and making it possible to easily grasp the working situation from the lower side to the upper side.

1 is a state diagram of use of a lift worktable for an assembled railroad according to the present invention.
2 and 3 are perspective views of a lift worktable for an assembled railroad track according to the present invention.
4(a) and 4(b) illustrate the installation state of the rollers and guide rollers of the lift worktable for the assembly type railroad shown in FIG. 1.
5 to 6 are operational state diagrams of the lift worktable for the assembly type railroad shown in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments described below are only described in detail enough to allow those of ordinary skill in the art to carry out the invention easily, and this does not mean that the protection scope of the present invention is limited. Does not. And, in describing various embodiments of the present invention, the same reference numerals will be used for components having the same technical characteristics.

1 is a state diagram of the use of the assembly-type railroad lift workbench according to the present invention, Figures 2 and 3 are perspective views of the assembly-type railroad lift workbench according to the present invention. With reference to this will be described with respect to the lift worktable for the assembly type railroad of the present invention.

The lift worktable for a prefabricated railroad of the present invention is provided for high place work on a track R such as a subway, and thus can be moved on the track R and is configured to be able to move up and down at the same time.

To this end, the lift worktable for an assembled railroad track of the present invention includes a base frame part 100, a vertical frame part 200, an elevation part 300, and a driving part 400.

Here, the base frame part 100 is mounted on the track R and is formed to be movable on the track R. This base frame part 100 includes a base frame 110 and a roller 120 formed on the bottom surface of the base frame part 100 to be seated on the track R, and the guide roller 130 It may further include.

The base frame 110 serves to support the entire configuration, and a plurality of square pipes are welded or bolted together to form a rectangular shape. The base frame 110 may have a bottom surface (no reference numeral) formed thereon, and the bottom surface may be formed of a mesh plate to reduce overall weight.

Here, although illustrated as a mesh plate in FIGS. 1 to 2, it is not limited thereto, and various materials such as a porous plate, a check plate, and a composite plate may be applied.

4(a) and 4(b) show an area in which the rollers 120 and the guide rollers 130 are installed on the lift worktable for a prefabricated railroad according to the present invention.

Referring to the drawings, the roller 120 is formed on the bottom surface of the base frame 110, and is seated on the track (R). At this time, the roller 120 may be formed to fit the width of the track R so that it can be moved along the track R, and may be formed in front and rear of both tracks R.

Here, as shown in FIG. 4(a), one side of the roller 120 may be extended so as not to be separated from the line R to be stepped, and a plurality of rollers 120 may be formed to face each other, Can be prevented.

Meanwhile, the guide roller 130 also supports the base frame 110 as well as the roller 120 and prevents the base frame 110 from being separated from the track R.

Here, the guide roller 130 is configured to support the side of the track as shown in Fig. 4(b), and the base frame part 100 according to the present invention is more stably supported by the guide roller 130 Can be.

The vertical frame part 200 is formed to be perpendicular to one side of the base frame part 100, and serves as a support body to which the lifting part 300 can be lifted and a body to which the driving part 400 can be mounted. To this end, the vertical frame unit 200 includes a vertical frame 210 and a support bar 220, and may further include a support frame 230.

The vertical frame 210 forms the body of the vertical frame part 200, and a plurality of square pipes are welded or bolted together to form a rectangular shape. Here, in detail, two square pipes are formed perpendicular to the base frame portion 100 by being spaced apart from each other by a predetermined distance in front and rear of the base frame portion 100, and a square pipe for reinforcing and supporting such a square pipe is a base It is formed horizontally in the front-rear direction of the frame part 100 so that both ends may be formed by being coupled to two vertical square pipes, respectively.

In this case, a plurality of horizontal square pipes may be formed, and in FIGS. 1 to 3, one at the lower end and two at the upper end, but are not limited thereto.

This vertical frame 210 is vertically coupled to one side of the base frame unit 100, and as shown, can be easily fixed by bolting or pin type. In other words, a coupling plate P having a through hole (no reference numeral) formed thereon may be formed on the upper surface of the base frame part 100 so that the vertical frame 210 may be fitted and fixed.

In addition, at the lower end of the vertical frame 210, a through hole corresponding to the through hole (no reference numeral) is formed, and the lower end of the vertical frame 210 is inserted into the coupling plate P of the base frame 110. After the through hole, it may be fixed by inserting a pin or a bolt (B).

At this time, a nut or the like may be coupled to the opposite side of the insertion part so that the pin or bolt inserted into the through hole does not come off arbitrarily.

As shown, the support bar 220 is obliquely coupled to the vertical frame 210 and serves to support the vertical frame 210. Here, the support bar 220 has one side coupled to the vertical frame 210 with pins or bolts, and the other side of the base frame 110 of the base frame portion 100 after being rotated at a predetermined angle around the coupling portion. It is connected to the upper surface with pins or bolts.

Here, the vertical frame 210 may be stably supported vertically only by a simple bolting operation at both ends of the support bar 220.

Therefore, the lift worktable for an assembled railroad track according to the present invention can be quickly and easily assembled between the vertical frame 210 and the base frame 110, and both ends of the support bar 220 with a simple bolt or pin, etc. In addition, since the disassembly can also be performed quickly and easily with these features, the working time is shortened and the work efficiency is increased, and there is an effect that it is possible to quickly input and withdraw when sudden maintenance work is required in the power line of the subway.

On the other hand, the vertical frame part 200 may have a support frame 230 protruding at the upper end so that the upper end may be supported on a wall surface, and such a support frame 230 may be formed in a'c' shape as shown. In addition, a damper 231 is formed at the end portion to reduce the impact.

The elevating unit 300 provides a space for an operator to ride and perform work, and is coupled to the vertical frame unit 200 to be elevating.

The elevating unit 300 includes a working footrest 310 having a bottom surface on which an operator can ride, and an elevating guide 320 for smooth elevating, and may include a fall prevention guide 330.

The working footrest 310 has a rectangular shape, and a bottom surface is formed so that an operator can board. In this case, the bottom surface may be a mesh plate, and similarly, it may be formed of a perforated plate having a plurality of holes.

Therefore, as well as reducing the weight of the lifting unit 300 itself, slipping of the operator may be prevented, and an assistant or the like who does not board the lifting unit 300 may easily check the working situation.

A fall prevention guide 330 is formed around the working footrest 310, and therefore, the operator can prevent a fall accident by the fall prevention guide 330. At this time, although not shown, a ring of a seat belt for high place work may be fastened to the fall prevention guide 330, and thus the operator can safely perform the work without the risk of falling.

The lifting guide 320 is formed at both ends of one side of the working footrest 310 and allows the working footrest 310 to slide up and down along the vertical frame part 200. To this end, the lifting guide 320 is formed to surround a square pipe formed vertically in the vertical frame 210 of the above-described vertical frame part 200, and in more detail, a standard larger than the square pipe of the vertical frame 210 It is formed to have a, one side of the rectangular cross section is removed, and is provided to accommodate the square pipe of the vertical frame 210 therein.

In addition, on the three surfaces of the lifting guide 320, as shown in FIG. 3, roller guides 321 are formed at the top and bottom, respectively, so that collision and friction when the lifting guide 320 slides on the vertical frame 210 The durability can be prevented from being damaged by this.

The driving unit 400 provides a driving force for the lifting of the lifting unit 300, and for this, includes a driving motor 410, a wire roller 430, and a lifting wire 420.

The driving motor 410 directly serves to provide a traction force for lifting and descending, and may be bound to a square pipe horizontally formed in the above-described vertical frame 210. Here, the binding position may be variable, and for example, may be coupled to one end of the base frame unit 100.

The elevating wire 420 is coupled to the output shaft of the driving motor 410, and the elevating wire 420 is changed in direction by the wire roller 430 formed at the upper end of the vertical frame 210, It is coupled to the central part of one side.

At this time, the elevating unit 300 may be formed with a fixing member such as an i-bolt (no reference numeral) for the coupling of the elevating wire 420, and the elevating portion 300 is vertically moved by the traction of the elevating wire 420 Can be moved to.

Here, the lifting wire 420 has one side coupled to the driving motor 410, the other side extended upward, and then changed downward by the wire roller 430 formed on the upper end of the vertical frame 210, The other side is coupled to the lifting part 300 to pull the lifting part 300, such as the lifting wire 420 may be a horse core wire rope, an iron core wire rope, a hoist wire rope, but is not limited thereto, and 3 to 400 kg or more A wire rope capable of pulling the wire can be applied without limitation.

5 to 6 are diagrams illustrating an operating state of the prefabricated railroad lift worktable according to the present invention, and with reference thereto, the operating state of the prefabricated railroad lift worktable according to the present invention will be described.

First, in the case of using the prefabricated lift according to the present invention, the base frame part 100 is mounted on the track, and then the vertical frame part 200 is lifted and mounted on the base frame part 100.

Thereafter, the lower side of the vertical frame part 200 is coupled to stand vertically, and the support bar 220 is bound in that state to fix the vertical frame part 200.

Thereafter, the elevator unit 300 is mounted, and then the driving unit 400 is connected and installed, and the initial position of the elevator unit 300 is in a lowered state as shown in FIG. 4.

In this state, the operator is boarded, and at this time, the operator may install the drop prevention guide 330 by inserting the drop prevention guide 330 after boarding the operator without installing the fall prevention guide 330, or there are not many work tools to be loaded on the elevating unit 300, or If there is no difficulty in boarding, it is possible to board in a state in which the fall prevention guide 330 is previously installed.

Thereafter, when the driving motor 410 is driven, as shown in FIG. 5, the lifting unit 300 may be raised, and the operator performs the work by lifting the lifting unit 300 to a desired height.

Here, the elevating unit 300 may be raised to the position shown in FIG. 2, and thus the operator can perform the operation while adjusting the height easily within the maximum height limit.

In addition, when it is necessary to move the work place, it goes without saying that the base frame unit 100 can be moved along the track to perform work.

On the other hand, in the case of completing the work, the operator can get off after lowering the lifting unit 300 as shown in FIG. 5 again, and then dismantling in the reverse order of the assembly sequence described above, the operator according to the present invention A lift platform for prefabricated railroad tracks can be used.

It has been described above with respect to the lift worktable for the prefabricated railroad according to the present invention, and the user can move along the railroad by using the lift worktable for the prefabricated railroad according to the present invention, and the worktable can be raised and lowered, thereby increasing the work difficulty and work efficiency , It is possible to support the base frame more stably by including guide rollers that support both sides of the track on the bottom surface of the base frame, and installation and disassembly is very fast as the base frame part and the vertical frame part are joined with bolts or pins. It is easy, and guide rollers are mounted at the top and bottom of the elevator guide for stable elevation, friction is reduced, and durability of the elevation guide and vertical frame is improved, and the bottom surface of the elevation is made of a porous mesh plate, so the load of the driving unit is increased. This reduces energy resources, prevents slippage, and allows the use of a lift workbench for a prefabricated railroad that can easily grasp the working situation from the lower side to the upper side.

It has been described above with respect to the lift workbench for a prefabricated railroad according to the present invention. However, those of ordinary skill in the art to which the embodiment belongs can be implemented in other specific forms without changing the technical idea or essential features. You can understand. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting.

100: base frame part
200: vertical frame part
300: elevator
400: drive unit

Claims (6)

In the prefabricated railroad lift workbench installed on the track and provided to perform high-altitude work,
A base frame portion having a base frame in a rectangular shape and a roller formed on a bottom surface of the base frame and mounted on the track so as to move along the track;
A vertical frame formed in a rectangular shape and coupled to be perpendicular to one side of the base frame unit, and one side is coupled to the vertical frame and the other side is rotated around the coupling unit by a predetermined angle, and then coupled to the upper surface of the base frame of the base frame unit. A vertical frame portion having a support bar for fixing the vertical frame;
Lifting and descending having a working platform having a bottom surface on which an operator can ride and having a rectangular shape, and a pair of lifting guides formed at both ends of one side of the working platform so that the working platform can slide up and down along the vertical frame part part; And
The drive motor mounted on the vertical frame part, the wire roller mounted on the upper end of the vertical frame part, and one side is coupled to the drive motor so that the lifting part can be lifted and the other side is changed by the wire roller. A lift worktable for a prefabricated railroad comprising a driving unit having an elevator wire coupled to one side of the elevator unit. The method of claim 1,
The base frame portion is formed on a bottom surface of the base frame, and further comprises a guide roller supporting both sides of the track so as not to be separated from the track. The method of claim 1,
The vertical frame portion further comprises a support frame protruding so as to be supported on the wall surface at the upper end. The method of claim 1,
The lifting unit further comprises a fall prevention guide formed around the working foot plate to prevent the operator from falling. The method of claim 1,
A lift worktable for an assembled railroad, characterized in that roller guides for preventing friction when sliding with the vertical frame are mounted at the upper and lower ends of the guides of the elevating unit. The method of claim 1,
The lift worktable for assembly type railroad, characterized in that the bottom surface of the elevating part is a mesh plate.

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