CN202944989U - Wiring device for tower crane - Google Patents
Wiring device for tower crane Download PDFInfo
- Publication number
- CN202944989U CN202944989U CN 201220588462 CN201220588462U CN202944989U CN 202944989 U CN202944989 U CN 202944989U CN 201220588462 CN201220588462 CN 201220588462 CN 201220588462 U CN201220588462 U CN 201220588462U CN 202944989 U CN202944989 U CN 202944989U
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- CN
- China
- Prior art keywords
- inlet wire
- wire cable
- main inlet
- pivoting support
- hanging mechanism
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a wiring device for a tower crane. According to the device, a main wire inlet cable of the tower crane sequentially penetrates through a lower rotary support, an upper rotary support and a rotary tower body from bottom to top and enters a control chamber; the lower end of the main wire inlet cable is fixed on the middle part of the lower rotary support; a lifting mechanism is arranged in the middle of the rotary tower body; the upper end of the main wire inlet cable is fixed on the lifting mechanism; and the natural length of the main wire inlet cable on two fixing points on the lower rotary support and the lifting mechanism is larger than the distance between the two fixing points. According to the device, a section of main wire inlet cable between the two fixing points on the lower rotary support and the lifting mechanism is positioned in a loose state, when the upper rotary support rotates relative to the lower rotary support, the section of main wire inlet cable in a loose state can be twisted in a proper range, and friction between the main wire inlet cable and the support is avoided, so that the service life of the main wire inlet cable is prolonged; and moreover, the influence of the main wire inlet cable on smooth transit on a pedestrian path is avoided.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of wire passing device of tower crane.
Background technology
Fast development along with China's economic construction, the infrastructure constructions such as highway, bridge, airport, being on the increase of the projects such as town and country real estate construction and large-scale municipal engineering construction, market also increases day by day for the demand of construction machinery and equipment, and tower crane (hereinafter to be referred as the tower machine) is to use the most general lifting appliance in all kinds of engineering constructions.
In the upper rotary tower crane, lower pivoting support connects by pivoting support with the upper rotary bearing, a plurality of standard knots are connected successively and are connected with lower pivoting support, slewing tower is arranged on the upper rotary bearing, crane arm is connected a side and is connected with slewing tower, thereby the upper rotary bearing rotates with respect to lower pivoting support and drives slewing tower and rotate, and slewing tower drives the crane arm rotation, so that the tower function is operated in the space around slewing tower.In the structure design of tower machine, main inlet wire cable is walked around all standard knots and the frame that climbs from top to bottom, then passes lower pivoting support and upper rotary bearing, and finally to reach control cabin be the power supply of tower machine.
As shown in Figure 1, Fig. 1 is the schematic diagram that in prior art, tower owner inlet wire cable passes through lower pivoting support.In Fig. 1, lower pivoting support 1' is provided with security grid computing 2' and walkway 3', and main inlet wire cable 4' passes walkway 3'.Main inlet wire cable is passed from the walkway, affected on the one hand the staff current smooth and easy up and down; In addition, when the upper rotary bearing rotated with respect to lower pivoting support, main inlet wire cable rotated along with the rotation of upper rotary bearing, and main inlet wire cable twists simultaneously; In rotation and twist process, main inlet wire cable inevitably rubs with walkway framing member on every side, and long-term friction can damage main inlet wire cable, thereby shortens the service life of main inlet wire cable.
At present, common way is that the security grid computing 2' with lower pivoting support 1' reduces as far as possible, and walkway 3' is enlarged, and reserves larger space for main inlet wire cable 4'.In this improvement project, main inlet wire cable 4' still be located at walkway 3 ' in the personnel that hinder one's work current up and down, security grid computing 2' reduces to enlarge with walkway 3' is also to a certain degree affecting the safety that personnel pass through, and, main inlet wire cable 4' is 3 ' middle rotation and still existence of twisting action in the walkway, thereby causes the friction phenomenon of main inlet wire cable 4' and walkway and surrounding structure spare not avoid.
Therefore, on the basis of existing tower machine, how the arrangement of main inlet wire cable improved, make winner's inlet wire cable not affect the current safety of walkway and smooth and easy, Avoids or reduces surrounding structure spare to improve the service life of main inlet wire cable, has become those skilled in the art's technical issues that need to address to the friction of main inlet wire cable.
The utility model content
In view of this, the utility model proposes a kind of wire passing device of tower crane, in this tower crane, main inlet wire cable does not affect the current safety of walkway and smooth and easy, has avoided the friction of main inlet wire cable, thereby has improved the service life of main inlet wire cable.
the utility model proposes a kind of wire passing device of tower crane, comprise lower pivoting support, upper rotary bearing and slewing tower, lower pivoting support connects by pivoting support with the upper rotary bearing, slewing tower is arranged on the upper rotary bearing, on upper rotary bearing or slewing tower, control cabin is installed, the main inlet wire cable of tower crane is from bottom to up successively by lower pivoting support, enter control cabin after upper rotary bearing and slewing tower, the lower end of main inlet wire cable is fixed on the middle part of lower pivoting support, middle part at slewing tower is provided with hanging mechanism, the upper end of main inlet wire cable is fixed on hanging mechanism, the natural length of main inlet wire cable between two attachment points on lower pivoting support and hanging mechanism is greater than the distance between two attachment points.
Preferably, main inlet wire cable all is positioned on the rotation axis of lower pivoting support and upper rotary bearing at two attachment points on lower pivoting support and hanging mechanism.
Preferably, be provided with security grid computing and walkway on lower pivoting support, be provided with mounting hole on security grid computing, the periphery in the walkway is provided with and encloses frame bracket, and main inlet wire cable passes mounting hole and is fixed on by the first fastening device and encloses on frame bracket.
Preferably, under being centered close to of mounting hole on the rotation axis of pivoting support and upper rotary bearing.
Preferably, the periphery of hanging mechanism is arcuate structure, and main inlet wire cable is fixed on hanging mechanism on hanging mechanism and by the second fastening device.
Preferably, hanging mechanism is semicircular structure, and the arc section of hanging mechanism is in the top, and main inlet wire cable is around the periphery of arc section.
Preferably, be provided with groove in the periphery of the arc section of hanging mechanism, main inlet wire cable is located in groove and is fixed on hanging mechanism.
Preferably, main inlet wire cable is positioned on the rotation axis of lower pivoting support and upper rotary bearing at the connection point of contact on hanging mechanism.
The wire passing device of tower machine in the utility model, main inlet wire cable is from bottom to up successively by lower pivoting support, upper rotary bearing and slewing tower and enter tower machine control cabin, the lower end of main inlet wire cable is fixed on the middle part of lower pivoting support, middle part at slewing tower is provided with hanging mechanism, the upper end of main inlet wire cable is fixed on hanging mechanism, and the natural length of main inlet wire cable between two attachment points on pivoting support and hanging mechanism is greater than the distance between two attachment points.In the above-mentioned arrangement of main inlet wire cable, the lower end of main inlet wire cable and upper end are separately fixed on lower pivoting support and hanging mechanism, and one section main inlet wire cable between two attachment points on lower pivoting support and hanging mechanism is in relaxed state; When the upper rotary bearing rotates with respect to lower pivoting support, this section relaxed state can make main inlet wire cable reverse and unlikely the damage in suitable scope, this scheme has been avoided the friction of main inlet wire cable and lower pivoting support walkway surrounding structure spare, thereby improved the service life of main inlet wire cable, and, main inlet wire cable does not take the space of walkway, thereby does not hinder the current smooth and easy of walkway.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.
Fig. 1 is the schematic diagram that in prior art, tower owner inlet wire cable passes through lower pivoting support.
Fig. 2 is the schematic diagram that in the utility model, tower owner inlet wire cable passes through lower pivoting support.
Fig. 3 is the schematic diagram that in the utility model, tower owner inlet wire cable passes through lower pivoting support and hanging mechanism.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the utility model can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figures 2 and 3, Fig. 2 is that in the utility model, tower owner inlet wire cable is by the schematic diagram of lower pivoting support, and Fig. 3 is the schematic diagram that in the utility model, tower owner inlet wire cable passes through lower pivoting support and hanging mechanism.
with reference to Fig. 2 and Fig. 3, the utility model proposes a kind of wire passing device of tower crane, comprise lower pivoting support 1, upper rotary bearing 7 and slewing tower 9, lower pivoting support 1 is connected with the upper rotary bearing by pivoting support 8 connections, upper rotary bearing 7 can rotate with respect to lower pivoting support 1, slewing tower 9 is arranged on upper rotary bearing 7, on slewing tower 9 or on upper rotary bearing 7, control cabin is being installed, main inlet wire cable 4 is from bottom to up successively by lower pivoting support 1, enter control cabin after upper rotary bearing 7 and slewing tower 9, the lower end of main inlet wire cable 4 is fixed on the middle part of lower pivoting support 1, be provided with hanging mechanism 10 at the middle part of slewing tower 9, the upper end of main inlet wire cable 4 is fixed on hanging mechanism 10, the natural length of main inlet wire cable 4 between two attachment points on pivoting support 1 and hanging mechanism 10 is greater than the distance between two attachment points, the main inlet wire cable of this section is in relaxed state.
In the above-mentioned arrangement of main inlet wire cable, the lower end of main inlet wire cable 4 and upper end are separately fixed on lower pivoting support 1 and hanging mechanism 10, and one section main inlet wire cable 4 between two attachment points on lower pivoting support 1 and hanging mechanism 10 is in relaxed state; When upper rotary bearing 7 rotates with respect to lower pivoting support 1, the main inlet wire cable 4 of this section relaxed state can reverse in suitable scope, avoided the phenomenon along with rotation of main inlet wire cable 4 in the walkway, main inlet wire cable 4 and the walkway of lower pivoting support 1 and the friction of surrounding structure spare have been avoided, thereby improved the service life of main inlet wire cable 4, and, main inlet wire cable 4 does not take the space of walkway, can guarantee the current safety of walkway and smooth and easy.
In a preferred embodiment, main inlet wire cable 4 two attachment points on lower pivoting support 1 and hanging mechanism 10 all are positioned on the rotation axis of lower pivoting support 1 and upper rotary bearing 7.When upper rotary bearing 7 rotated with respect to lower pivoting support 1, the main inlet wire cable 4 of this section relaxed state reversed on rotation axis, and reversed and to be limited in certain revolution, and in this revolution, main inlet wire cable 4 can not suffer damage.Certainly, based on producing and design error, main inlet wire cable 4 two attachment points on lower pivoting support 1 and hanging mechanism 10 strictly are not limited on rotation axis, can be positioned at the position near rotation axis, can realize above-mentioned technique effect equally.
When concrete structure designs, main inlet wire cable 4 is needing to maintain a certain distance between two attachment points on lower pivoting support 1 and hanging mechanism 10, thereby make main inlet wire cable 4 be in relaxed state in this section, be beneficial to so main inlet wire cable 4 and be without prejudice in bearing the twist process of certain revolution.
As shown in Figure 2, be provided with security grid computing 2 and walkway 3 on lower pivoting support 1, be provided with mounting hole 5 on security grid computing 2, on the rotation axis of pivoting support 1 and upper rotary the bearing 7 or position of close axis under being centered close to of mounting hole 5,3 periphery is provided with and encloses frame bracket in the walkway, main inlet wire cable 4 passes mounting hole 5 and is fixed on by the first fastening device 6 and encloses on frame bracket, and main inlet wire cable 4 bears torsion on rotation axis or near the position of axis.
Concrete, the first fastening device 6 comprises clip and bolt, clip blocks main inlet wire cable 4 and is bolted on and encloses on frame bracket.
As shown in Figure 3, hanging mechanism 10 is fixed on the middle part of slewing tower 9, the periphery of hanging mechanism 10 is arcuate structure, main inlet wire cable 4 is fixed on hanging mechanism 10 on hanging mechanism 10 and by the second fastening device, when concrete structure designs, hanging mechanism 10 biasings, and the connection point of contact of main inlet wire cable 4 on hanging mechanism 10 is positioned on rotation axis or near the position of axis, bear torsion thereby make winner's inlet wire cable 4 on rotation axis or near the position of axis, main like this inlet wire cable 4 can keep less twisting motion amplitude.
By hanging mechanism 10 is set; can be fixed main inlet wire cable 4, and main inlet wire cable 4 can guide main inlet wire cable 4 on the hanging mechanism 10 and turn to; main inlet wire cable 4 can keep suitable bending spring, is conducive to the protection to main inlet wire cable 4.
In Fig. 3, hanging mechanism 10 is semicircular structure, and the arc section of hanging mechanism 10 is in the top, and linear portion is in the below, and main inlet wire cable 4 is around the periphery of arc section.
In order to fix better main inlet wire cable 4, be provided with groove in the periphery of the arc section of hanging mechanism 10, main inlet wire cable 4 is located in groove and by the second fastening device and is fixed on hanging mechanism 10.
Concrete, the second fastening device comprises card and bolt, and card is across hanging mechanism 10 upper grooves and be fixed on two sides of hanging mechanism 10.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the wire passing device of a tower crane, comprise lower pivoting support (1), upper rotary bearing (7) and slewing tower (9), lower pivoting support (1) is connected 7 with the upper rotary bearing) connect by pivoting support (8), slewing tower (9) is arranged on upper rotary bearing (7), at upper rotary bearing (7) or the upper control cabin of installing of slewing tower (9), it is characterized in that, the main inlet wire cable (4) of tower crane is from bottom to up successively by lower pivoting support (1), enter control cabin after upper rotary bearing (7) and slewing tower (9), the lower end of main inlet wire cable (4) is fixed on the middle part of lower pivoting support (1), be provided with hanging mechanism (10) at the middle part of slewing tower (9), the upper end of main inlet wire cable (4) is fixed on hanging mechanism (10), the natural length of main inlet wire cable (4) between lower pivoting support (1) and upper two attachment points of hanging mechanism (10) is greater than the distance between two attachment points.
2. the wire passing device of tower crane according to claim 1, it is characterized in that, main inlet wire cable (4) all is positioned on the rotation axis of lower pivoting support (1) and upper rotary bearing (7) at lower pivoting support (1) and upper two attachment points of hanging mechanism (10).
3. the wire passing device of tower crane according to claim 1 and 2, it is characterized in that, be provided with security grid computing (2) and walkway (3) on lower pivoting support (1), be provided with mounting hole (5) on security grid computing (2), the periphery of (3) is provided with and encloses frame bracket in the walkway, and main inlet wire cable (4) passes mounting hole (5) and is fixed on by the first fastening device (6) and encloses on frame bracket.
4. the wire passing device of tower crane according to claim 3, is characterized in that, under being centered close to of mounting hole (5) on the rotation axis of pivoting support (1) and upper rotary bearing (7).
5. the wire passing device of tower crane according to claim 1 and 2, it is characterized in that, the periphery of hanging mechanism (10) is arcuate structure, and main inlet wire cable (4) is gone up and is fixed on hanging mechanism (10) by the second fastening device around hanging mechanism (10).
6. the wire passing device of tower crane according to claim 5, is characterized in that, hanging mechanism (10) is semicircular structure, and the arc section of hanging mechanism (10) is in the top, and main inlet wire cable (4) is around the periphery of arc section.
7. the wire passing device of tower crane according to claim 6, is characterized in that, is provided with groove in the periphery of the arc section of hanging mechanism (10), and main inlet wire cable (4) is located in groove and is fixed on hanging mechanism (10).
8. the wire passing device of tower crane according to claim 5, is characterized in that, main inlet wire cable (4) is positioned on the rotation axis of lower pivoting support (1) and upper rotary bearing (7) at the connection point of contact on hanging mechanism (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588462 CN202944989U (en) | 2012-11-09 | 2012-11-09 | Wiring device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588462 CN202944989U (en) | 2012-11-09 | 2012-11-09 | Wiring device for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944989U true CN202944989U (en) | 2013-05-22 |
Family
ID=48420698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588462 Expired - Fee Related CN202944989U (en) | 2012-11-09 | 2012-11-09 | Wiring device for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944989U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082367A (en) * | 2016-11-22 | 2017-08-22 | 义乌市满旺机械设备有限公司 | A kind of tower crane device in construction site |
| CN107082376A (en) * | 2016-11-22 | 2017-08-22 | 义乌市满旺机械设备有限公司 | A kind of tower crane device for construction |
| CN107215788A (en) * | 2017-06-20 | 2017-09-29 | 施三武 | The anti-kink structure of building tower crane device |
-
2012
- 2012-11-09 CN CN 201220588462 patent/CN202944989U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082367A (en) * | 2016-11-22 | 2017-08-22 | 义乌市满旺机械设备有限公司 | A kind of tower crane device in construction site |
| CN107082376A (en) * | 2016-11-22 | 2017-08-22 | 义乌市满旺机械设备有限公司 | A kind of tower crane device for construction |
| CN107082367B (en) * | 2016-11-22 | 2018-03-13 | 裘润波 | A kind of tower crane device in construction site |
| CN107215788A (en) * | 2017-06-20 | 2017-09-29 | 施三武 | The anti-kink structure of building tower crane device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |