KR20130134127A - Support structure of rotary power transmitting gear for basket - Google Patents

Support structure of rotary power transmitting gear for basket Download PDF

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Publication number
KR20130134127A
KR20130134127A KR1020120057413A KR20120057413A KR20130134127A KR 20130134127 A KR20130134127 A KR 20130134127A KR 1020120057413 A KR1020120057413 A KR 1020120057413A KR 20120057413 A KR20120057413 A KR 20120057413A KR 20130134127 A KR20130134127 A KR 20130134127A
Authority
KR
South Korea
Prior art keywords
basket
transmission gear
rotational force
force transmission
connecting pipe
Prior art date
Application number
KR1020120057413A
Other languages
Korean (ko)
Inventor
홍성호
Original Assignee
현대중공업 주식회사
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 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020120057413A priority Critical patent/KR20130134127A/en
Publication of KR20130134127A publication Critical patent/KR20130134127A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10Telescoping systems
    • F16B7/14Telescoping systems locking in intermediate non-discrete positions
    • F16B7/1418Telescoping systems locking in intermediate non-discrete positions with a clamping collar or two split clamping rings tightened by a screw or a cammed latch member

Abstract

The present invention relates to a basket rotational force transmission gear support structure, the connecting pipe connected to the rotating shaft (7) in a state wrapped around the outer circumferential surface of the rotating shaft (7) axially penetrated to the gear connecting portion (5a) on one side of the basket ( 21 and a rotational force transmission gear 20 including a gear body 22 for transmitting rotational force to a worm gear (not shown) of the basket 5 while being integrally connected to one end of the connecting tube 21. In the basket rotational force transmission gear support structure for fixing and supporting the rotation shaft (7), a plurality of slits 21a spaced at regular intervals along the axial direction are provided on the outer circumferential surface of the connecting pipe 21, the connecting pipe Wrapped around the outer circumferential surface of the 21 to tighten the slit (21a) of the connecting tube 21 while the connecting tube 21 is fixed to the rotating shaft (7) is provided with a structure provided with have.
Therefore, it is possible to extend the life of the components by preventing damage to the connector by the external impact, and to reduce the cost, and also to secure the connector to the rotating shaft by a simple tightening of the pressure band. It has a structure such that the assembly is greatly improved and the workability can be improved, and the like is obtained.

Description

Support structure of rotary power transmitting gear for basket}

The present invention relates to a rotational force transmission gear support structure for the basket, and more particularly, to provide a slit spaced at regular intervals along the axial direction on the outer circumferential surface of the connector, wrapped around the outer circumferential surface of the connector to tighten the slit of the connector It is provided with a pressure band to be fixed to the rotary shaft while being tightened, so that when the external impact is applied, the pressure band is able to slide in the circumferential direction of the outer peripheral surface of the connector body in a state of pressing the connector body firmly, basically It prevents damage to the connecting pipe due to external impact and can prolong the service life of the parts, and it is possible to reduce the cost. Also, the structure can be fixed to the rotating shaft by simple tightening of the pressure band. Baskets can be improved to improve workability It relates to a torque transmission gear support structure.

In general, a basket that is connected to a boom such as a crane and lifted up and down in a state where a worker is boarded is connected to the boom through a rotational force transmission gear to enable shaft rotation.

This rotational force transmission gear is to be stably supported to transfer the rotational force of the rotating shaft to the worm gear of the basket.

As an example, a schematic view of a basket rotating force transmission gear supporting structure of the prior art, as shown in Figure 1, the outer circumferential surface of the rotating shaft 7 axially penetrated through the gear connection portion 5a on one side of the basket 5, A connecting body 11 connected to the rotating shaft 7 and a gear body 12 for transmitting rotational force to a worm gear (not shown) of the basket 5 in a state of being integrally connected to one end of the connecting body 11. In the basket rotational force transmission gear support structure for fixing and supporting the rotational force transmission gear 10 made of the rotating shaft (7), the connecting pipe body 11 is formed with a plurality of through holes (11a) on the outer peripheral surface In addition, a plurality of fastening holes (not shown) are provided in the corresponding rotating shaft 7, so that the connecting pipe 11 is fastened and fixed to the rotating shaft 7 by a separate fastener 9 such as a bolt. .

However, in the conventional basket rotational force transmission gear support structure, since the connecting tube is fastened and fixed to the rotating shaft through a separate fastener, an external shock directly generated by the connecting pipe or an indirect impact generated in a basket or the like. And the like, such that the connecting pipe is broken or even the gear body is damaged.

The present invention has been made in order to solve this problem, to provide a slit spaced at regular intervals along the axial direction on the outer peripheral surface of the connector, wrapped around the outer peripheral surface of the connector to tighten the slits of the connector. It is provided with a pressure band for fixing the tubular body to the rotating shaft, so that when the external shock is applied, the pressure band can slide in the circumferential direction of the outer circumferential surface of the connecting pipe in a state where the pressure is firmly pressed against the connecting pipe. This prevents damage to the tube and extends the life of the component, thereby reducing costs. Also, by simple tightening of the pressure band, the assembly can be fixed to the rotating shaft. Basket torque transmission gear for improved workability To provide a support structure there is another purpose.

The basket rotational force transmission gear support structure of the present invention for achieving the above object is a connecting body connected to the rotating shaft in a state surrounding the outer circumferential surface of the rotating shaft axially penetrated to the gear connecting portion of the basket, and one end of the connecting body In the basket rotational force transmission gear support structure for fixing and supporting the rotational force transmission gear consisting of a gear body for transmitting the rotational force to the worm gear of the basket in the state of being integrally connected to the axial direction, the axial direction on the outer peripheral surface of the connector According to the present invention, a slit spaced apart from each other is provided, and the pressure band is further provided to fix the outer circumferential surface of the connecting pipe to tighten the slit of the connecting pipe while the connecting pipe is fixed to the rotating shaft.

In addition, in the basket rotational force transmission gear support structure according to an embodiment of the present invention, the pressing band, the band body surrounding the outer peripheral surface of the connecting pipe and the both ends are short-circuited, and radially at both ends of the band body It may be configured to include a fastening portion extended and fastened to each other by a separate fastener.

In addition, in the basket rotation torque transmission gear support structure according to an embodiment of the present invention, the band body is a circular tube structure in which one side is shorted so as to wrap close to the connecting pipe, the fastening portion is both ends of the band body In each of the radially extending horizontally can be a plate structure provided with a through-hole provided to pass through the fastener on one side of the same line.

In addition, in the basket rotational force transmission gear supporting structure according to an embodiment of the present invention, while the fastening portion is fastened to one side of the fastening portion, the spacing between them is relatively maintained at any one side of these fastening portions. As the other part is further tightened, a gap maintaining part may be further provided to strengthen the tightening force of the band body.

In addition, in the basket rotational force transmission gear support structure according to an embodiment of the present invention, the spacing portion is disposed on the inner side of the outer end of the fastening portion relative to the radial direction and the tightening force of the band body connected to the relatively inside It can be strengthened.

In addition, in the basket rotational force transmission gear supporting structure according to an embodiment of the present invention, the spacing holding portion may be disposed in a state facing each other on the inner surface of the outer end of the respective fastening portion.

As described above, the basket rotational force transmission gear support structure of the present invention provides a slit spaced at regular intervals along the axial direction on the outer peripheral surface of the connector, wrapped around the outer peripheral surface of the connector to tighten the slit of the connector. While the connecting pipe is provided with a pressing band to be fixed to the rotating shaft, when the external impact is applied to the pressure band to slide in the circumferential direction of the outer circumferential surface of the connecting pipe in the state that the pressure is firmly pressed, basically the external impact It is possible to prevent the damage of the connecting pipe by the extension and to reduce the cost, and to reduce the cost, and also by the simple tightening of the pressure band to secure the connecting pipe to the rotating shaft assembly As the sex is greatly improved, workability can be improved.

1 is a photograph showing a torque transmission gear support structure according to the prior art.
Figure 2 is a photograph showing a basket rotation force transmission gear support structure according to an embodiment of the present invention.
Figure 3 is an exploded perspective view showing a basket rotation torque transmission gear support structure according to an embodiment of the present invention.
Figure 4a, 4b is a schematic cross-sectional view showing a state before and after the connecting tube is tightened by the rotating force transmission gear support structure for the basket according to an embodiment of the present invention.
Figure 5a, 5b is a schematic cross-sectional view showing a front and rear state of the fastening portion of the pressing band is tightened by the rotating force transmission gear support structure for the basket according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

As shown in Figures 2 to 5b, the basket rotational force transmission gear support structure according to an embodiment of the present invention wrapped the outer peripheral surface of the rotary shaft 7 through the shaft connecting the gear connecting portion 5a of one side of the basket (5) Gear body for transmitting the rotational force to the worm gear (not shown) of the basket 5 in a state connected integrally to one end of the connecting pipe 21 and the connecting pipe 21 and the rotary shaft (7) In the basket rotational force transmission gear supporting structure for fixing and supporting the rotational force transmission gear (20) to the rotating shaft (7), a plurality of spaced apart at regular intervals along the axial direction on the outer peripheral surface of the connecting pipe (21) Slit (21a) is provided, and wrapped around the outer circumferential surface of the connector 21 to tighten the slit (21a) of the connector 21 so that the connector 21 is fixed to the rotary shaft (7) It has a structure that is provided with a pressing band 30 to All.

The pressing band 30 wraps around the outer circumferential surface of the connecting pipe 21 and has a band body 31 shorted at both ends thereof, and extends radially from both ends of the band body 31 to separate fasteners 40. It consists of a fastening portion 32 to fasten to each other.

In addition, the band body 31 has a circular tube structure in which one side is short-circuited so as to closely wrap the connecting tube 21, and the fastening portions 32 are radially horizontal at both ends of the band body 31, respectively. It extends and has a plate structure provided with a through hole 32a through which the fastener 40 passes through one side of the same line.

In addition, while the fastening part 32 is fastened to one side of the fastening part 32, the other part is further tightened while maintaining the spacing therebetween at one side of the fastening part 32. The gap maintaining part 32b is provided to strengthen the tightening force of the band main body 31.

The gap maintaining part 32b is disposed on the inner side of the outer tip of the fastening part 32 with respect to the radial direction to further strengthen the tightening force of the band main body 31 connected to the inner side.

The gap maintaining portions 32b are arranged on the inner surfaces of the outer ends of the respective fastening portions 32 so as to face each other.

The basket torque transmission gear support structure according to an embodiment of the present invention according to the configuration is arranged after the rotational force transmission gear 20 in the gear connection portion 5a of the basket (5) of the connecting body of the torque transmission gear 20 ( The rotary shaft 7 is connected to the basket 5 by allowing the rotary shaft 7 to pass through the through hole 21b of the 21.

Then, in the state in which the gear body 22 of the torque transmission gear 20 and the worm gear (not shown) of the basket 5 is engaged, the pressure to the outer peripheral surface of the connecting body 21 of the torque transmission gear 20. Wrap the band 30 and then press the pressure band 30 through a separate fastener (40).

Then, the pressing band 30 is the fastening portion 32 is tightened from the moment from the moment the gap holding portion 32b the fastening portion 32 is in close contact with each other no longer tightened, but the gap holding portion ( 32b) The space between the lower portion of the fastening portion 32 and the lower portion of the band body 31 becomes narrower, and consequently, the connector 21 can be firmly tightened.

At this time, by the pressure of the pressing band 30, the connecting pipe 21 can be tightly coupled to the outer peripheral surface of the rotary shaft 7 while the slit 21a is retracted.

In this way, the coupling operation with respect to the rotation axis of the rotational force transmission gear 20 is completed.

In this state, the rotational force of the rotary shaft 7 is transmitted to the worm gear of the basket 5 by the gear body 22 of the rotational force transmission gear 20, and the rotation of the basket 5 becomes possible, on the other hand, When the impact is applied directly to the pressing band 30 or indirectly through the basket (5), the pressing band 30 is a state in which the pressure of the connecting pipe 21 of the torque transmission gear 20 is firmly pressed The so-called slip is pushed out in the axial direction to prevent the self-damage or damage to the gear body 22 is generated.

 As described above, the basket rotational force transmission gear support structure according to an embodiment of the present invention provides a slit spaced at regular intervals along the axial direction on the outer peripheral surface of the connector, wrapped around the outer peripheral surface of the connector and tighten the slit of the connector It is provided with a pressing band for fixing the connecting pipe to the rotating shaft while being tightened, so that when the external impact is applied, the pressure band can slide in the circumferential direction of the outer peripheral surface of the connecting pipe in a state of pressing the connecting pipe firmly, basically This prevents damage to the connection pipe due to external impact and extends the life of the parts, thereby reducing costs, and also allows the connector body to be fixed to the rotating shaft by simple tightening of the pressure band. It is possible to improve workability as the assembly performance is greatly improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It should be understood that all of the techniques that can be easily changed and used by those skilled in the art are included in the technical scope of the present invention.

DESCRIPTION OF REFERENCE NUMERALS
5: basket 5a: gear connection
7: rotating shaft 9: fastener
10: torque transmission gear 11: connector
11a: through hole 12: gear body
20: torque transmission gear 21: connector
21a: Slit 21b: Through Hole
22: gear body 30: pressure band
31: band body 32: fastening portion
32a: Through hole 32b: Spacing part
40: fastener

Claims (6)

A connecting body connected to the rotating shaft in a state in which the outer circumferential surface of the rotating shaft penetrates the gear connecting portion on one side of the basket, and a gear body for transmitting rotational force to the worm gear of the basket while being integrally connected to one end of the connecting body. In the basket rotational force transmission gear support structure for fixedly holding the rotational force transmission gear to the rotating shaft,
On the outer circumferential surface of the connecting pipe is provided a slit spaced apart at regular intervals,
The basket has a rotational force transmission gear support structure characterized in that it is further provided with a pressing band for tightening the outer circumferential surface of the connecting pipe to tighten the slit of the connecting pipe to fix the connecting pipe to the rotating shaft.
The method of claim 1,
The pressure band,
A band body surrounding the outer circumferential surface of the connecting pipe and having both ends shorted;
A basket rotational force transmission gear supporting structure characterized in that it comprises a fastening portion extending radially from both ends of the band body to be fastened to each other by a separate fastener.
The method of claim 1,
The band body has a circular tube structure in which one side is shorted to cover and close the connecting tube body,
The fastening part is a basket-bearing torque transmission gear supporting structure, characterized in that the plate structure is provided with a through-hole extending radially horizontally at both ends of the band body and the fastener to pass through one side of the same line.
The method of claim 3,
While the fastening part is fastened to one side of the fastening part, instead of maintaining the spacing between them on one side of the fastening part, the other part is further tightened while the other part is further tightened to further tighten the tightening force of the band body is further provided Rotation force transmission gear support structure for the basket, characterized in that the.
5. The method of claim 4,
The gap holding part is disposed on the inner side of the outer end of the fastening part with respect to the radial direction, and the tightening force of the basket body, characterized in that the tightening force of the band body connected to the inner side is further strengthened.
The method of claim 5,
The gap holding unit is a basket rotational force transmission gear supporting structure, characterized in that disposed in the state facing each other on the inner side of the outer end of the fastening portion.

KR1020120057413A 2012-05-30 2012-05-30 Support structure of rotary power transmitting gear for basket KR20130134127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120057413A KR20130134127A (en) 2012-05-30 2012-05-30 Support structure of rotary power transmitting gear for basket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120057413A KR20130134127A (en) 2012-05-30 2012-05-30 Support structure of rotary power transmitting gear for basket

Publications (1)

Publication Number Publication Date
KR20130134127A true KR20130134127A (en) 2013-12-10

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KR1020120057413A KR20130134127A (en) 2012-05-30 2012-05-30 Support structure of rotary power transmitting gear for basket

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586910A (en) * 2016-12-10 2017-04-26 青岛智享专利技术开发有限公司 Automatic lifting safety rod for power transmission equipment iron tower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586910A (en) * 2016-12-10 2017-04-26 青岛智享专利技术开发有限公司 Automatic lifting safety rod for power transmission equipment iron tower

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