KR20130071263A - Safe wheels of removable work table - Google Patents

Safe wheels of removable work table Download PDF

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Publication number
KR20130071263A
KR20130071263A KR1020110138666A KR20110138666A KR20130071263A KR 20130071263 A KR20130071263 A KR 20130071263A KR 1020110138666 A KR1020110138666 A KR 1020110138666A KR 20110138666 A KR20110138666 A KR 20110138666A KR 20130071263 A KR20130071263 A KR 20130071263A
Authority
KR
South Korea
Prior art keywords
aerial platform
roller
support side
side wall
safety wheel
Prior art date
Application number
KR1020110138666A
Other languages
Korean (ko)
Inventor
이길우
Original Assignee
대한민국(우정사업본부)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 대한민국(우정사업본부) filed Critical 대한민국(우정사업본부)
Priority to KR1020110138666A priority Critical patent/KR20130071263A/en
Publication of KR20130071263A publication Critical patent/KR20130071263A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/42—Ladder feet; Supports therefor
    • E06C7/426—Height adjustable supports for receiving both ladder feet
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E04G2001/242—Scaffolds movable on wheels or tracks

Abstract

According to the present invention, when the aerial platform is moved to another place, the safety wheel is protruded by the moving operation of the aerial platform to facilitate the movement, and when the operator comes to the platform for use of the aerial platform, the increased aerial platform load is increased. Disclosed is a safety wheel of a mobile aerial platform, which allows the safety wheel to be fixed, which makes the safety wheel fastening and unlocking operation very convenient.
The present invention is a fixed bracket which is provided on the lower side of the aerial platform and spaced at predetermined intervals on both sides of the fixed bracket, a roller shaft whose ends are rotatably supported on the support side wall of the fixed bracket, and installed on the roller shaft In the safety wheel of a mobile aerial platform having a roller positioned between both support side walls of the bracket, guide holes for supporting both ends of the roller shaft are formed on both support side walls of the fixed bracket, and the guide hole The roller shaft is inclined so as to move between the roller insertion positions where the roller is fully inserted into the support side wall at a part of the roller protruding position where the part protrudes from the lower end of the support side wall. It is done.

Description

Safety Wheels of Removable Work Table

The present invention relates to a safety wheel of a mobile aerial platform, and more particularly, when working on the aerial platform at work, the working platform is fixed so as not to move when working, and when you move the place to release the height of the aerial platform It relates to a safety wheel of a mobile aerial platform that is convenient to move.

In general, when working at a high place in the workplace, a ladder or aerial platform is used a lot, the lower portion of the ladder or aerial platform is provided with wheels to provide convenience when moving.

1 shows a typical aerial platform, the aerial platform is connected to the upper and lower frames (1, 2), the upper and lower frames (1, 2) and at the same time the ladder to the worker to climb to the upper frame (1) Consists of the intermediate frame (3) in the form, the four corners of the lower frame (2) is provided with wheels (4), respectively, to facilitate the movement of the aerial platform when moving the place.

At this time, the wheel (4), for the safety of the worker when the worker climbs on the upper frame (1) of the aerial platform can be fixed so that the aerial platform does not move, and when moving the aerial platform to another place It is configured to be movable by releasing the aerial platform, for example, a hood master as shown in Fig. 2a and a safety wheel with a lever brake as shown in Fig. 2b are known.

However, the above-described conventional safety wheels 4, after positioning the aerial platform to the work place, and then operating the brake device of the safety wheels 4 to fix the safety wheels 4, and then must work on the work, When moving the work table to another place, there is a trouble in use that the operator has to operate the brake device of the safety wheel 4 again to release it and then move it.

In addition, the fixing and unlocking operation of the safety wheels 4 as described above, each time the aerial platform is moved to another place, so the actual work site on the fixed work wheels 4 due to the hassle and inconvenience of work There are many cases where safety rules are not kept, such as working on a job without this, which causes workers to be exposed to the risk of falling during work, as well as to safety accidents caused by falling.

The present invention is to solve the above-mentioned conventional problems, the object is that when moving the aerial platform to another place, the roller of the safety wheel protrudes by the movement operation of the aerial platform to facilitate the movement, use of the aerial platform For this reason, when the worker comes to the workbench, the safety wheel is fixed by the increased load of the aerial platform, which makes the safety wheel fastening and releasing work very convenient, thereby eliminating the inconvenience and inconvenience of using the aerial workbench. In addition, it is to provide a safety wheel of a mobile aerial platform that can prevent the safety accidents caused by falls due to the operator does not observe the safety rules of the aerial platform.

The present invention for achieving the above object is a fixed bracket formed on both sides of the support side wall spaced at a predetermined interval and installed on the lower frame of the aerial platform, and the roller shaft is supported by both ends of the support side wall of the fixed bracket rotationally supported; And a safety wheel of a movable aerial platform provided on the roller shaft and having a roller positioned between both support side walls of the fixed bracket, wherein guide holes for supporting both ends of the roller shaft are formed on both support side walls of the fixed bracket. The guide hole is characterized in that the safety wheel of the movable aerial platform is inclined so that the roller shaft is moved between the roller insertion position where the roller is inserted into the support side wall at the roller protruding position where a part of the roller protrudes from the lower end of the support side wall. .

In another aspect, the present invention is characterized in the safety wheel of the mobile aerial platform with a non-slip pad attached to the lower end of both support side walls of the fixing bracket.

According to the safety wheel of the movable aerial platform of the present invention having the above-described configuration, when the aerial platform is moved to another place, the roller shaft of the safety wheel moves from the roller insertion position to the roller protruding position along the guide hole, Is projected from the supporting side wall of the fixing bracket so that the aerial platform can be moved conveniently.When the operator comes to the aerial platform to use the aerial platform, the roller shaft of the safety wheel moves from the roller protruding position of the guide hole to the roller insertion position. Since the roller is inserted into the support side wall of the fixing bracket, the safety wheel can be fixed so that the worker can safely work on the aerial platform.

Therefore, the present invention is because the fixing and unlocking operation of the safety wheel is made by the moving operation of the aerial platform and the operator climbs on the aerial platform, it is possible to omit the fixing and unlocking operation of the safety wheel, which has been cumbersome and inconvenient in the prior art. There is an effect that is more convenient to use, and also has the effect of preventing safety accidents caused by falls caused by the operator does not observe the safety rules due to the hassle of fixing and unlocking the safety wheels.

1 is a perspective view of a movable aerial platform installed with a conventional safety wheel.
2a and 2b is a perspective view showing a conventional safety wheel.
Figure 3 is a perspective view of a mobile aerial platform installed safety wheels according to the present invention.
4 is a perspective view showing a safety wheel according to the present invention.
5 is a front view and a side view showing a safety wheel according to the present invention.
Figure 6 is an operating state of the safety wheel according to the present invention.

Hereinafter, the safety wheel of the mobile aerial platform according to the present invention will be described in detail based on the accompanying drawings.

Figure 3 is a perspective view of the aerial platform is installed safety wheel according to the present invention, the safety wheel 10 of the present invention, as shown, the upper and lower frames 21, 22 and the movable frame consisting of the intermediate frame 23 Is installed on the lower frame 22 of the aerial platform to provide convenience when moving the aerial platform.

Safety wheel 10 of the present invention, as shown in Figures 4 to 5, has a fixing bracket 11 is installed on the lower frame 22 of the aerial platform. The fixing bracket 11 is preferably made of a material having a high structural strength, for example, a metal, and is formed in a cross-sectional shape of a "c" with both support side walls 11a arranged in the vertical direction at predetermined intervals.

In addition, a roller 12 is positioned between both supporting side walls 11a of the fixing bracket 11, and both ends of the roller shaft 13 on which the rollers 12 are fixed are rotatably supported by both supporting side walls 11a, respectively. It is.

On the other hand, the roller 12 positioned between both support side walls 11a of the fixing bracket 11 has a roller 12 at a roller protruding position where a part of the roller 12 protrudes from the lower end of the support side wall 11a. Is configured to move between the roller insertion positions inserted into the support side wall 11a.

That is, guide holes 11b for supporting both ends of the roller shaft 13 on which the rollers 12 are fixed are formed at both support side walls 11a of the fixing bracket 11, and the guide holes 11b are supported. It is formed to be inclined with respect to the lower end of the side wall 11a, and the lower end closer to the lower end of the support side wall 11a becomes the roller protruding position, and the higher end part farther from the lower end of the support side wall 11a is the roller insertion position. do.

Therefore, according to the position of the roller shaft 13 guided by the guide hole 11b, a part of the roller 12 protrudes from the lower end of the support side wall 11a, or is inserted in the support side wall 11a.

In addition, in the present invention, the anti-slip pads 14 are attached to the lower ends of both support side walls 11a of the fixing bracket 11, and the anti-slip pads 14 are made of a material having a high coefficient of friction, for example, rubber. Do.

The operation of the present invention having such a configuration will be described with reference to FIG. 6 as follows. As shown in the drawing, the guide hole 11b is the highest end farthest from the lower end of the support side wall 11a among the guide holes 11b in which the roller shaft 13 is formed in the support side wall 11a of the fixing bracket 11. When the aerial platform is pushed in the moving direction (arrow moving direction) to move the aerial platform to another place while the roller 12 is inserted in the support side wall 11a of the fixing bracket 11 at the roller insertion position of the The roller 12 of the safety safety wheel 10 rotates, and at this time, a forward force is obtained by friction between the roller hole 13 and the guide hole 11b formed in the support side wall 11a of the fixing bracket 11. As a result, the roller shaft 13 moves along the guide hole 11b. As a result, when the roller shaft 13 moves from the roller insertion position toward the roller projection position, the roller 12 protrudes from the lower end of the supporting side wall 11a of the fixing bracket 11 and at the same time the supporting side wall of the fixing bracket 11 11a) Since the lower end is lifted from the ground, the aerial platform can be conveniently moved by the rotation of the roller 12.

In addition, if the operator stops at the place to work by moving the aerial platform position, and then the worker climbs on the aerial platform, the load of the aerial platform is increased, this increased load acts as a force to press the fixing bracket 11 downward As a result, the roller shaft 13 relatively moves upward along the inclined guide hole 11b.

Therefore, since the roller shaft 13 moves from the roller protruding position back to the roller inserting position, the roller 12 is inserted into the supporting side wall 11a of the fixing bracket 11 and at the same time. Since the lower end of the support side wall (11a) of the fixing bracket 11 is in contact with the ground, it is possible to fix the aerial platform so as not to move. As a result, the aerial platform does not move so that the operator can work safely. Furthermore, the anti-slip pads 14 provided at the lower ends of the supporting side walls 11a of the fixing bracket 11 increase friction with the ground. Since it prevents the slip, the fixed worktable is more securely fixed, and the worker can work more safely.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to be illustrative of the present invention and not to be construed as limiting the scope of the present invention as defined by the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: safety wheel 11: fixing bracket
11a: support side wall 11b: guide hole
12: roller 13: roller shaft
14: anti-slip pad

Claims (2)

Fixing brackets installed on the lower frame of the aerial platform and spaced at predetermined intervals on both sides, a fixed bracket formed on both sides thereof, a roller shaft whose ends are supported on the support side wall of the fixed bracket, and mounted on both sides of the fixed bracket In the safety wheel of a mobile aerial platform having a roller located between the supporting side wall,
Guide holes for supporting both ends of the roller shaft are formed on both support side walls of the fixing bracket, and the guide hole has a roller insertion in which the roller is inserted into the support side wall at a roller protruding position where a part of the roller protrudes from the lower end of the support side wall. Safety wheel of a mobile aerial platform, characterized in that the roller shaft is inclined so as to move between positions. 2. The safety wheel of a mobile aerial platform according to claim 1, wherein an anti-skid pad is attached to lower ends of both supporting side walls of the fixing bracket.
KR1020110138666A 2011-12-20 2011-12-20 Safe wheels of removable work table KR20130071263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110138666A KR20130071263A (en) 2011-12-20 2011-12-20 Safe wheels of removable work table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110138666A KR20130071263A (en) 2011-12-20 2011-12-20 Safe wheels of removable work table

Publications (1)

Publication Number Publication Date
KR20130071263A true KR20130071263A (en) 2013-06-28

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KR1020110138666A KR20130071263A (en) 2011-12-20 2011-12-20 Safe wheels of removable work table

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109972831A (en) * 2019-04-30 2019-07-05 中铁建设集团有限公司 A kind of assembled moves integrally crosshead and its construction technique
KR102198967B1 (en) 2020-10-05 2021-01-05 남전진 Replacing method of high place worktable wheel
KR102213287B1 (en) 2020-10-05 2021-02-05 남전진 High place worktable wheel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200199709Y1 (en) * 2000-05-15 2000-10-02 김병억 Computer cable protection apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200199709Y1 (en) * 2000-05-15 2000-10-02 김병억 Computer cable protection apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109972831A (en) * 2019-04-30 2019-07-05 中铁建设集团有限公司 A kind of assembled moves integrally crosshead and its construction technique
KR102198967B1 (en) 2020-10-05 2021-01-05 남전진 Replacing method of high place worktable wheel
KR102213287B1 (en) 2020-10-05 2021-02-05 남전진 High place worktable wheel

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E601 Decision to refuse application