CN111824956A - Adjustable trolley electricity taking arm, crane and using method - Google Patents
Adjustable trolley electricity taking arm, crane and using method Download PDFInfo
- Publication number
- CN111824956A CN111824956A CN202010751877.XA CN202010751877A CN111824956A CN 111824956 A CN111824956 A CN 111824956A CN 202010751877 A CN202010751877 A CN 202010751877A CN 111824956 A CN111824956 A CN 111824956A
- Authority
- CN
- China
- Prior art keywords
- trolley
- taking arm
- cable
- adjustable
- guide frame
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- Legal status (The legal status 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 status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
Abstract
The invention discloses an adjustable trolley power taking arm, a crane and a using method of the adjustable trolley power taking arm. The invention provides an adjustable trolley power-taking arm which replaces a traditional trolley power-taking arm and comprises an adjustable support and a cable guide frame, when the trolley cannot continuously run due to the accumulation of a cable-hanging pulley, the position of the cable guide frame on the adjustable support can be adjusted according to actual needs, so that the distance between a traction part of the power-taking arm and a tail end pulley when the trolley is at the limit position can be increased, the accumulation problem of the cable-hanging pulley can be effectively improved, the limit distance of the trolley can be shortened, the working blind area of the trolley is reduced, and the utilization rate of a crane is greatly improved.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to an adjustable trolley electricity taking arm, a crane and a using method.
Background
Generally, a trolley power supply system of a crane comprises a trolley power supply cable, a cable hanging pulley, pulley tracks, a trolley power taking arm, a traction rod and the like, wherein the trolley power supply cable is hung on a plurality of cable hanging pulleys, and the cable hanging pulley can slide left and right on tracks fixed along the direction of a main beam. The trolley electricity taking arm is fixed on the trolley, and a traction rod is fixed on the electricity taking arm. The cable-hanging pulley is sequentially installed on a cable-hanging pulley track from the end of the main beam, and a pulley close to the end of the main beam is called a tail pulley and is fixed on the pulley track. Other cable blocks can slide on the track along the direction of the main beam. The tackle farthest away from the end of the main beam is called a head end tackle, and a traction ring is arranged on the head end tackle and used for installing a traction rod on the electricity taking arm in the head end tackle to pull the head end tackle to move left and right along with the hoisting trolley.
For a bridge crane or a portal crane with a large span, a trolley power supply cable is very long, so that a larger number of cable hanging pulleys are needed, and after the number of the cable hanging pulleys is increased, when the trolley runs to an extreme position, the cable hanging pulleys on a pulley track are accumulated, so that the power supply cable is excessively long in suspension, and interference can be caused on equipment below a user plant; on the other hand cable pulley quantity increases and can lead to the dolly can not move the rightmost end of girder to the extreme distance of dolly on the increase hoist can increase the blind area of dolly operation, leads to the utilization ratio of hoist not high.
Disclosure of Invention
The invention provides an adjustable trolley power taking arm which comprises a power taking arm traction part and an adjusting part, wherein the adjusting part comprises an adjustable support and a cable guide frame, one end of the adjustable support is connected with the power taking arm traction part, the other end of the adjustable support is detachably provided with the cable guide frame, and the cable guide frame is arranged on a trolley.
According to the technical scheme, the adjusting support is provided with a plurality of adjusting hole groups in the length direction, each single adjusting hole group comprises at least two adjusting holes, and the at least two adjusting holes are uniformly distributed in the height direction.
According to the technical scheme, the cable guide frame is connected with one end of the adjustable support and is provided with the mounting hole group, the mounting hole group comprises at least two mounting holes, and the at least two mounting holes are uniformly distributed in the length direction.
By adopting the technical scheme, the single mounting hole is a waist-shaped hole.
According to the technical scheme, the cable grooves are formed in the adjustable support and the cable guide frame.
Technical scheme more than adopting, be provided with a plurality of line ball portion on the cable duct of chock, a plurality of line ball portion intervals set up.
Technical scheme more than adopting, single line ball portion includes line ball board, adjusting bolt and nut, and the line ball board passes through adjusting bolt setting in the cable duct and locks through the nut.
The invention provides a crane which comprises an adjustable trolley power taking arm.
Technical scheme more than adopting, this hoist still include girder, a plurality of cable coasters, coaster track and dolly, be equipped with the coaster track on the girder, a plurality of cable coasters are installed on the coaster track, and the cable coaster definition that is close to the girder tip is the tail end coaster, the tail end coaster is fixed on the coaster track, and the cable coaster definition that is farthest away from the girder tip is the head end coaster, the head end coaster is directional removal along with the dolly.
The invention provides a using method of an adjustable trolley power-taking arm, when the using method is used, a traction part of the power-taking arm penetrates through a traction ring of a head-end pulley, so that the head-end pulley is dragged to move along with the trolley, when the trolley runs to a limit position, a cable guide frame is detached from an adjustable support, an adjusting hole far away from the head-end pulley on the adjustable support is selected, and the cable guide frame is installed on the adjustable support through the adjusting hole, so that the distance between the traction part of the power-taking arm and a tail-end pulley is increased when the trolley runs to the limit position.
The invention has the beneficial effects that: the invention provides an adjustable trolley electricity taking arm which replaces a traditional trolley electricity taking arm and comprises an adjustable support and a cable guide frame, when the trolley cannot continuously run due to the accumulation of a cable hanging pulley, the position of the cable guide frame on the adjustable support can be adjusted according to actual needs, so that the distance between a traction part of the electricity taking arm and a tail end pulley when the trolley is at a limit position can be increased, the accumulation problem of the cable hanging pulley can be effectively solved, the limit distance of the trolley can be shortened, a working blind area of the trolley is reduced, and the utilization rate of a crane is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a crane according to embodiment 1 of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is another schematic structural diagram of the crane according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of an adjustable trolley power-taking arm in embodiment 2 of the invention.
Fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.
Fig. 6 is a schematic structural diagram of a conventional trolley power-taking arm.
The reference numbers in the figures illustrate: 1. a power taking arm traction part; 21. an adjustable support; 211. an adjustment hole; 22. a cable guide frame; 221. mounting holes; 3. a cable trough; 41. a wire pressing plate; 42. adjusting the bolt; 43. a nut; 5. mounting a bottom plate; 6. a base plate; 7. a main beam; 81. a tail end pulley; 82. a head end pulley; 9. a trolley rail; 10. A trolley; 11. a trolley power supply cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in interactive relationship with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, an embodiment 1 of the present invention provides a crane, where the crane includes a main beam 7, a plurality of cable-hanging pulleys, a pulley track 9, and a trolley 10, where the main beam 7 is provided with the pulley track 9, the plurality of cable-hanging pulleys are mounted on the pulley track 9, a cable-hanging pulley near an end of the main beam 7 is defined as a tail end pulley 81, the tail end pulley 81 is fixed on the pulley track 9, a cable-hanging pulley farthest from an end of the main beam 7 is defined as a head end pulley 82, the head end pulley 82 performs directional movement with the trolley 10, and of course, other cable-hanging pulleys may slide on the pulley track 9 along a direction of the main beam 7.
Considering that when the trolley 10 is moved to the extreme position (here, the trolley 10 is moved to the right to the extreme position), a plurality of cable pulleys may be piled up. Therefore, the crane further comprises an adjustable trolley power taking arm, so that on one hand, the problem of cable hanging pulley accumulation can be effectively solved by increasing the distance between the power taking arm traction part 1 and the tail end pulley 81 when the trolley 10 is at the extreme position; on the other hand, the limit distance of the trolley 10 can be reduced, and the working blind area of the trolley 10 is reduced. The specific structure of the power take-off arm of the adjustable cart 10 is described in detail in example 2 below.
Compared with the conventional trolley electricity-taking arm (the structure of which is shown in fig. 6), the adjustable trolley electricity-taking arm provided by the embodiment 2 of the invention is shown in fig. 4 and 5, and comprises an electricity-taking arm traction part 1 and an adjusting part, wherein the adjusting part comprises an adjustable support 21 and a cable guide frame 22, one end of the adjustable support 21 is connected with the electricity-taking arm traction part 1, the other end of the adjustable support 21 is detachably provided with the cable guide frame 22, and the cable guide frame 22 is installed on the trolley 10.
The traction part 1 of the electricity taking arm comprises a traction rod, the traction rod is matched with a traction ring of the head end pulley 82, the traction rod penetrates through the traction ring of the head end pulley 82 and is used for drawing the head end pulley 82 to move along the main beam 7 along with the trolley 10, a bottom plate 6 is arranged on the traction rod, and the bottom plate 6 is connected with the end of the adjustable support 21 through a bolt.
One end of the cable guide frame 22, which is connected with the adjustable support 21, is provided with a mounting hole group, the mounting hole group comprises at least two mounting holes 221, the at least two mounting holes 221 are uniformly distributed in the length direction, the mounting holes 221 are matched with the adjusting holes 211 on the adjustable support 21, and after the mounting holes 221 on the cable guide frame 22 are aligned with the adjusting holes 211 on the adjustable support 21, the cable guide frame can be screwed through bolts and nuts 43; and the other end of the cable guide frame 22, which is far away from the adjustable support 21, is provided with a mounting base plate 65, a threaded hole is formed in the mounting base plate 65, and the cable guide frame 22 is mounted on the trolley 10 through the mounting base plate 65.
The trolley power supply cable 11 is suspended from the cable-hanging trolley and routed over the adjustable support 21 and the cable guide 22 to enter the electrical cabinet of the trolley 10. In the invention, the cable grooves 3 are arranged on the adjustable support 21 and the cable guide frame 22, and the trolley power supply cable 11 only needs to be wired in the cable grooves 3; and a plurality of line pressing parts are arranged in the cable groove 3 of the cable guide frame 22, the line pressing parts are arranged at intervals, a single line pressing part comprises a line pressing plate 41, an adjusting bolt 42 and a nut 43, the line pressing plate 41 is arranged in the cable groove 3 through the adjusting bolt 42 and is locked through the nut 43, the line pressing plate 41 is used for clamping and fixing the trolley power supply cable 11 laid in the cable groove 3, the bolt for fixing the line pressing plate 41 is selected according to the number of the trolley power supply cables in electrical configuration, the bolt is not suitable for being too short, otherwise, the nut 43 cannot be screwed on the bolt due to too many trolley power supply cables.
Considering that the traction rod can just pass through the traction ring of the head end pulley 82, the installation hole 221 on the fairlead 22 is a waist-shaped hole, so that the adjustable bracket 21 can be conveniently adjusted in the vertical direction during installation, and the traction rod can be matched with the traction ring of the head end pulley 82.
The fairlead 22 and the adjustable bracket 21 of the present invention may also be made of steel plates by tailor welding or other pipe fittings, but the present invention is not limited thereto.
The embodiment 3 of the invention provides a using method of an adjustable trolley power-taking arm, when the using method is used, a power-taking arm traction part 1 penetrates through a traction ring of a head-end pulley 82, so that the head-end pulley 82 is dragged to move along with the trolley 10, when the trolley 10 runs to a limit position (the trolley 10 runs to the right to the limit position), a cable guide frame 22 is detached from an adjustable support 21, an adjusting hole far away from the head-end pulley 82 on the adjustable support 21 is selected, and the cable guide frame 22 is installed on the adjustable support 21 through the adjusting hole 211, so that on one hand, the distance between the power-taking arm traction part 1 and a tail-end pulley 81 when the trolley 10 runs to the limit position is increased, and the problem of cable-hanging trolley accumulation can be effectively improved; on the other hand, the trolley 10 can continuously move rightwards, the limit distance of the trolley 10 is shortened, the working blind area of the trolley 10 is reduced, and the utilization rate of the crane is greatly improved.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The adjustable trolley power taking arm is characterized by comprising a power taking arm traction part and an adjusting part, wherein the adjusting part comprises an adjustable support and a cable guide frame, one end of the adjustable support is connected with the power taking arm traction part, the other end of the adjustable support is detachably installed on the cable guide frame, and the cable guide frame is installed on a trolley.
2. The adjustable trolley electricity taking arm as claimed in claim 1, wherein: the adjusting bracket is provided with a plurality of adjusting hole groups in the length direction, each adjusting hole group comprises at least two adjusting holes, and the at least two adjusting holes are uniformly distributed in the height direction.
3. The adjustable trolley electricity taking arm as claimed in claim 1, wherein: one end of the cable guide frame, which is connected with the adjustable support, is provided with a mounting hole group, the mounting hole group comprises at least two mounting holes, and the at least two mounting holes are uniformly distributed in the length direction.
4. The adjustable trolley power taking arm as claimed in claim 3, wherein: the single mounting hole is a kidney-shaped hole.
5. The adjustable trolley electricity taking arm as claimed in claim 1, wherein: the adjustable support and the cable guide frame are provided with cable grooves.
6. The adjustable trolley electricity taking arm as claimed in claim 1, wherein: a plurality of line pressing parts are arranged on a cable groove of the cable guide frame and are arranged at intervals.
7. The adjustable trolley electricity taking arm as claimed in claim 6, wherein: a single line ball portion includes line ball board, adjusting bolt and nut, and the line ball board passes through adjusting bolt and sets up in the cable duct and through nut locking.
8. A crane, characterized by: comprises an adjustable trolley electricity taking arm as claimed in claims 1 to 7.
9. The crane as claimed in claim 8, wherein: still include girder, a plurality of cable coasters, coaster track and dolly, be equipped with the coaster track on the girder, a plurality of cable coasters are installed on the coaster track, and the cable coaster definition of hanging that is close to the girder tip is the tail end coaster, the tail end coaster is fixed on the coaster track, and the cable coaster definition of hanging farthest away from the girder tip is the head end coaster, the head end coaster is directional removal along with the dolly.
10. The use method of the adjustable trolley electricity taking arm as claimed in claims 1 to 7, characterized in that: when the cable guide frame is used, the traction part of the power taking arm penetrates through the traction ring of the head end pulley, the head end pulley is pulled to move along with the trolley, when the trolley moves to the limit position, the cable guide frame is detached from the adjustable support, the adjusting hole far away from the head end pulley on the adjustable support is selected, and the cable guide frame is installed on the adjustable support through the adjusting hole, so that the distance between the traction part of the power taking arm and the tail end pulley is increased when the trolley moves to the limit position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751877.XA CN111824956A (en) | 2020-07-30 | 2020-07-30 | Adjustable trolley electricity taking arm, crane and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751877.XA CN111824956A (en) | 2020-07-30 | 2020-07-30 | Adjustable trolley electricity taking arm, crane and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111824956A true CN111824956A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751877.XA Pending CN111824956A (en) | 2020-07-30 | 2020-07-30 | Adjustable trolley electricity taking arm, crane and using method |
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| CN (1) | CN111824956A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136736Y (en) * | 2007-11-27 | 2008-10-22 | 大连华锐股份有限公司 | Cable tackle draw gear for flexible carriage |
| CN110562069A (en) * | 2019-09-18 | 2019-12-13 | 中国电建集团铁路建设有限公司 | Subway tunnel construction method and mobile charging system used for same |
| CN209835453U (en) * | 2019-03-29 | 2019-12-24 | 纽科伦（新乡）起重机有限公司 | Trolley conductive frame |
| WO2020025017A1 (en) * | 2018-08-01 | 2020-02-06 | 比亚迪股份有限公司 | Grounding device and grounding system for railway vehicle |
| CN210941371U (en) * | 2019-09-18 | 2020-07-07 | 中国电建集团铁路建设有限公司 | Mobile charging system for subway tunnel construction |
-
2020
- 2020-07-30 CN CN202010751877.XA patent/CN111824956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136736Y (en) * | 2007-11-27 | 2008-10-22 | 大连华锐股份有限公司 | Cable tackle draw gear for flexible carriage |
| WO2020025017A1 (en) * | 2018-08-01 | 2020-02-06 | 比亚迪股份有限公司 | Grounding device and grounding system for railway vehicle |
| CN209835453U (en) * | 2019-03-29 | 2019-12-24 | 纽科伦（新乡）起重机有限公司 | Trolley conductive frame |
| CN110562069A (en) * | 2019-09-18 | 2019-12-13 | 中国电建集团铁路建设有限公司 | Subway tunnel construction method and mobile charging system used for same |
| CN210941371U (en) * | 2019-09-18 | 2020-07-07 | 中国电建集团铁路建设有限公司 | Mobile charging system for subway tunnel construction |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201027 |
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| RJ01 | Rejection of invention patent application after publication |