CN202657892U - Cable crane main rope river-crossing balance insurance device - Google Patents
Cable crane main rope river-crossing balance insurance device Download PDFInfo
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- CN202657892U CN202657892U CN 201220326213 CN201220326213U CN202657892U CN 202657892 U CN202657892 U CN 202657892U CN 201220326213 CN201220326213 CN 201220326213 CN 201220326213 U CN201220326213 U CN 201220326213U CN 202657892 U CN202657892 U CN 202657892U
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- pulley block
- rope
- running block
- cable
- front running
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Abstract
The utility model discloses a cable crane main rope river-crossing balance insurance device, which comprises a vice tower side electric hoist, a rear fixed pulley block and a front movable pulley block, wherein the vice tower side electric hoist passes around a pulley block which consists of the rear fixed pulley block and the front movable pulley block through a load cable, the front movable pulley block is arranged on a temporary bearing cableway through a temporary support code, the front movable pulley block is provided with a cable head connecting portion, the front movable pulley block is connected with a counter weight through a suspension bracket, and the counter weight is arranged below a bearing cableway. The cable crane main rope river-crossing balance insurance device reduces center of gravity of the front movable pulley group by the suspension bracket and the counter weight which are arranged on the front movable pulley block. The cable crane main rope river-crossing balance insurance device can guarantee the front movable pulley block not to loss stability because of high center of gravity when moving because of uniformly controlled speed and weather influence or when components which are system machinery, electrical components and the temporary support code and the like break down in the final rive-crossing stage of a main rope, thereby guaranteeing safety of operating personnel, the main cable and pulley components.
Description
Technical field
The utility model relates to cable owner rope installation field, crosses a kind of cable owner rope of the last installation phase in river especially for large-scale cable owner rope and crosses river balance safety device.
Background technology
In the cable machine installation process, it is the most key step that main rope is installed, it is an important stage that main rope is crossed finishing of river, it is emphasis step in the cable machine installation process, because in this process, need to overcome a lot of difficulties, water the lifting of the control of zinc, main rope rolling, tension pulley block group and main rope tensioning etc. such as in place, the rope head of main rope transportation, main rope reel, need in the main rope installation process, constantly optimize the scheme that main rope is crossed the river, main rope be installed carried out smoothly.
Cross the final stage in river at main rope, because the main rope deadweight can be bent downwardly, therefore the running block part must be emitted with a certain distance from secondary tower basis king-tower funiculus lateralis head and could be in place with front running block with main rope before, and can only discharge along interim track rope is high up in the air.But front running block is to carry with hold the code holder temporarily above interim track rope, holds the track of code walking temporarily, and namely interim track rope is comprised of two interim ropeway carrying-ropes.The running block center of gravity is positioned at more than the interim track rope before this moment.Because main rope is by interim track rope and holds code holder year temporarily, currently be in also that not stress be tension-free state, and front running block drives to hold with main rope temporarily and can utilize without any other auxiliary balance means again when yard mobile, so in moving process, front running block very likely can be tumbled because the too high unstability of center of gravity produces, and causes the infringement of the facility such as personnel and pulley assembly.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of cable owner rope and crosses river balance safety device, can guarantee the balance of front running block when the traction main rope, avoids occurring safety misadventure.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of cable owner rope is crossed river balance safety device, comprise secondary tower side electric winch, rear fixed pulley group, front running block, secondary tower side electric winch is worn around rear fixed pulley group and front running block by haulage cable and is formed assembly pulley, front running block is installed on the interim track rope by hold code temporarily, front running block is provided with rope head connecting portion, and front running block is connected with the counterweight that is positioned at the track rope below by hanger bracket.
The integrally-built center of gravity of front running block, hanger bracket and counterweight is positioned at the track rope below.
Described counterweight is to be provided with a plurality of clump weights in the weight box, and weight box top is connected with hanger bracket by hook.
The sidewall of described hanger bracket and front running block is rigidly connected.
A kind of cable owner rope that the utility model provides is crossed river balance safety device, by hanger bracket and the counterweight that is arranged on front running block, reduced the center of gravity of front running block, cross the river final stage when controlling inequality or weather effect because of speed at main rope, perhaps system mechanics, electric part, when holding the assemblies such as code and break down temporarily, can guarantee that front running block can be because of the high unstability of center of gravity when mobile, thereby guarantee the safety of operating personal and main rope, pulley assembly.
The utility model is simple in structure, and is easy to make, safe and practical, simplifies working procedure, and accelerating construction progress greatly reduces the safety of operation risk.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is integral structure schematic diagram of the present utility model.
Fig. 2 is the front elevational schematic of hanger bracket in the utility model.
Fig. 3 is the schematic side view of hanger bracket in the utility model.
Among the figure: secondary tower side electric winch 1, rear fixed pulley group 2, haulage cable 3, front running block 4, hanger bracket 5, counterweight 6, interim track rope 7, rope head connecting portion 8 holds code 9, framed bent platform 10 temporarily.
The specific embodiment
In Fig. 1, a kind of cable owner rope is crossed river balance safety device, comprise secondary tower side electric winch 1, rear fixed pulley group 2, front running block 4, secondary tower side electric winch 1 is worn around rear fixed pulley group 2 and front running block 4 by haulage cable 3 and is formed assembly pulley, front running block 4 is installed on the interim track rope 7 by hold code 9 temporarily, front running block 4 is provided with rope head connecting portion 8, and front running block 4 is connected with the counterweight 6 that is positioned at track rope 7 belows by hanger bracket 5.
In Fig. 1, the integrally-built center of gravity of front running block 4, hanger bracket 5 and counterweight 6 is positioned at track rope 7 belows.Structure has avoided front running block 4 when carrying cable owner rustling sound head thus, overthrow accident occurs.
In Fig. 1, described counterweight 6 is provided with a plurality of clump weights in the weight box, and weight box top is connected with hanger bracket 5 by hook.Structure thus, operating personal can increase or reduce clump weight as required from framed bent platform 10, also can make the center of gravity of movable pulley component integral body be down to correct position according to actual conditions, guarantee the stationarity that movable pulley component moves, thereby guarantee carrying out smoothly of main rope installation.
Described hanger bracket 5 is rigidly connected with the sidewall of front running block 4.In Fig. 2, Fig. 3, hanger bracket 5 adopts angle steel and channel-section steel welding to make, and hanger bracket 5 upper ends are connected with the face of pulley of front running block 4.
In Fig. 1, it is secondary tower side electric winch 1 that the Cable Machine in Left secondary tower is provided with stretching device, secondary tower side electric winch 1 by 3 pairs of front running blocks 4 of haulage cable and rear fixed pulley group 2 wear around, front running block 4 is installed on the interim track rope 7 by hold code 9 temporarily, counterweight 6 is installed on the face of pulley in the front running block 4 by hanger bracket 5, and upper and lower channel-section steel and angle steel are clamped face of pulley according to concrete size.Along with the release of haulage cable 3, front running block 4 drives and holds code 9 temporarily and constantly move forward along interim track rope 7; After king-tower rope head was installed to rope head connecting portion 8, along with the recovery of haulage cable 3, front running block 4 was constantly gone back, and after current running block 4 soars, removed hanger bracket 5 and counterweight 6.In this process, stand in the walking situation of running block 4 before the in good time report of operating personal on framed bent platform 10 service platforms and the stable case of balance weight, guarantee not occur unforeseen circumstances.
As shown in Figure 1, front running block 4 deadweight 3T, oad is 3.8m * 0.7m * 0.55m, counterweight 6 weight that hang are made as G, the centroidal distance of the center of gravity of front running block 4 and suspended counterweight back pulley assembly integral body is X, and the counterweight center of gravity of suspension and the centroidal distance of pulley assembly integral body are Y, make the center of gravity of front running block 4 be down to interim track rope below 7, guarantee that front running block 4 can not occur tumbling because center of gravity is high in the movement of free state during without tension force, must satisfy:
3X>GY
And by in weight box, adding clump weight, usually adopt the iron and steel piece of evenly placing, can make the center of gravity of front running block 4 integral body be down to correct position according to actual conditions, guarantee the stationarity that front running block 4 moves, thereby guarantee carrying out smoothly of main rope installation.
Claims (4)
1. a cable owner rope is crossed river balance safety device, comprise secondary tower side electric winch (1), rear fixed pulley group (2), front running block (4), secondary tower side electric winch (1) is worn around rear fixed pulley group (2) and front running block (4) by haulage cable (3) and is formed assembly pulley, front running block (4) is installed on the interim track rope (7) by hold code (9) temporarily, front running block (4) is provided with rope head connecting portion (8), it is characterized in that: front running block (4) is connected with the counterweight (6) that is positioned at track rope (7) below by hanger bracket (5).
2. a kind of cable owner rope according to claim 1 is crossed river balance safety device, it is characterized in that: the integrally-built center of gravity of front running block (4), hanger bracket (5) and counterweight (6) is positioned at track rope (7) below.
3. a kind of cable owner rope according to claim 2 is crossed river balance safety device, it is characterized in that: described counterweight (6) is provided with a plurality of clump weights in the weight box, and weight box top is connected with hanger bracket (5) by hook.
According to claim 1 or 3 described a kind of cable owner ropes cross river balance safety device, it is characterized in that: the sidewall of described hanger bracket (5) and front running block (4) is rigidly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326213 CN202657892U (en) | 2012-07-06 | 2012-07-06 | Cable crane main rope river-crossing balance insurance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326213 CN202657892U (en) | 2012-07-06 | 2012-07-06 | Cable crane main rope river-crossing balance insurance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202657892U true CN202657892U (en) | 2013-01-09 |
Family
ID=47452813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220326213 Expired - Fee Related CN202657892U (en) | 2012-07-06 | 2012-07-06 | Cable crane main rope river-crossing balance insurance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202657892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756987A (en) * | 2012-07-06 | 2012-10-31 | 葛洲坝集团第一工程有限公司 | Cable machine main rope river-passing balance safety device |
-
2012
- 2012-07-06 CN CN 201220326213 patent/CN202657892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756987A (en) * | 2012-07-06 | 2012-10-31 | 葛洲坝集团第一工程有限公司 | Cable machine main rope river-passing balance safety 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: 20130109 Termination date: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |