CN211357506U - Pulley type anti-falling device - Google Patents
Pulley type anti-falling device Download PDFInfo
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- CN211357506U CN211357506U CN201921741950.4U CN201921741950U CN211357506U CN 211357506 U CN211357506 U CN 211357506U CN 201921741950 U CN201921741950 U CN 201921741950U CN 211357506 U CN211357506 U CN 211357506U
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Abstract
The utility model relates to a pulley type anti-falling device. The method is characterized in that: including fixed connection portion (2) and connecting portion (1) of climbing together, the one end of this portion of climbing (2) is through this connecting portion (1) demountable installation on the iron tower, and the other end and the anti-falling mechanism fixed connection of this portion of climbing (2), this anti-falling mechanism includes mounting panel (4), be equipped with spout (5) along the straight line on this mounting panel (4), thereby install removal gyro wheel (6) and can follow spout (5) rectilinear movement on this spout (5), and still fixed mounting has fixed idler wheel (7) on this mounting panel (4), all be equipped with on this removal gyro wheel (6) and fixed idler wheel (7) with safety rope complex arc recess. The utility model discloses a to the not enough of present transmission line iron tower climbing tower safety protection measure, provide a safe and reliable, use cost low, do not increase significantly that the operating personnel steps on the pulley type of tower operation intensity and prevent weighing down the component.
Description
Technical Field
The utility model relates to a pulley type anti-falling device.
Background
In current transmission line, there is a large amount of iron towers and does not have the tower safety protection measure of climbing, and the iron tower can only rely on the bare-handed operation of manpower about the maintenance operation personnel, and the operation security does not guarantee. In recent years, national grid companies have installed and used fall protection devices on ultrahigh voltage newly-built lines to protect the safety of tower climbing maintenance operators. However, the device appears late, and a large number of early-built lines cannot be installed and used in time; the device is high in installation and use cost, is only installed and used on a power transmission line with a voltage class higher than ultrahigh voltage at present, and cannot be popularized and applied to a large number of low-voltage class lines.
Aiming at the power transmission iron towers without the anti-falling devices, a plurality of anti-falling foot nail products appear in the market, and the products are mainly characterized in that a circular ring which can be entered by a safety rope is formed at the end of each foot nail, and when an operator falls, the circular ring on the anti-falling foot nail can provide safety protection for the operator. However, the rope and the circular ring of the anti-falling foot nail generate a certain friction force in the using process, the more the circular rings are penetrated by the rope along with the higher the height of the tower climbing operation is, the larger the generated friction force is, and the labor intensity of the operator for climbing the tower is higher. Meanwhile, at the position of the cross arm of the iron tower, the operation path is changed from vertical climbing to horizontal operation, the rope and the circular ring of the anti-falling foot nail form an angle of 90 degrees, and the friction force between the rope and the foot nail is greatly increased, so that the operation personnel can not perform horizontal movement operation. Therefore, in the electric power operation maintenance industry, an anti-falling safety protection technology which can provide safety protection and can not increase the tower-climbing labor intensity obviously is urgently needed to meet the operation environment requirement of complex maintenance operation working conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safe and reliable, use cost low, basically not increase the pulley type anti-falling device that operating personnel climbed the tower operation intensity.
A pulley type anti-falling device is characterized in that: including fixed connection's the portion of climbing and connecting portion together, the one end of the portion of should climbing is through this connecting portion demountable installation on the iron tower, and the other end and the anti-falling mechanism fixed connection of the portion of should climbing, should prevent that the mechanism includes the mounting panel, is equipped with the spout along the straight line on this mounting panel, thereby install on this spout and remove the gyro wheel and can follow spout rectilinear movement, and still fixed mounting has fixed roller on this mounting panel, all be equipped with on this removal gyro wheel and fixed roller with safety rope complex arc recess.
Wherein the sliding groove is a strip-shaped through groove and is vertical to the ground.
Wherein the movable roller and the fixed roller are vertically mounted on the mounting plate through a shaft and a fastener, respectively.
Wherein the climbing part is in the shape of a long rod, and the surface of the climbing part is rough or covered with an anti-slip layer.
A pulley type anti-falling device is characterized in that: the anti-falling device comprises a climbing part and a connecting part which are fixedly connected together, wherein one end of the climbing part is detachably mounted on an iron tower through the connecting part, the other end of the climbing part is fixedly connected with an anti-falling mechanism, the anti-falling mechanism comprises a spiral rod in a spiral line shape, and an anti-falling nut is mounted at the tail end of the spiral rod.
A pulley type anti-falling device is characterized in that: the anti-falling device comprises a climbing part and a connecting part which are fixedly connected together, wherein one end of the climbing part is detachably mounted on an iron tower through the connecting part, the other end of the climbing part is fixedly connected with an anti-falling mechanism, the anti-falling mechanism comprises a spiral rod in a spiral line shape, and at least one roller or at least one bearing is fixedly mounted on the spiral rod.
The utility model discloses a to the not enough of present transmission line iron tower climbing tower safety protection measure, provide a safe and reliable, use cost low, do not increase significantly that the operating personnel steps on the pulley type of tower operation intensity and prevent weighing down the component. The method also has the following advantages: aiming at an iron tower without anti-falling safety protection measures, an anti-falling safety protection component is provided; compared with the existing anti-falling device, the anti-falling device has low installation and use cost and is suitable for large-area popularization and application; compared with the existing anti-falling foot nails, the anti-falling foot nails can greatly reduce the friction force between the safety ropes and the foot nails and reduce the tower climbing strength of operators; can realize large-amplitude steering operation.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the anti-falling mechanism part in embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of the anti-falling mechanism part in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
Example 1:
as shown in figures 1, 2 and 3, the pulley type anti-falling device comprises a rod-shaped climbing part 2, wherein the climbing part 2 is in a long rod shape, and the surface of the climbing part 2 is rough or covered with an anti-slip layer. One end of the climbing part 2 is detachably mounted on the iron tower through the connecting part 1, for example, the connecting part 1 is connected with the iron tower through a clamp and the like in the existing fixed connection mode, the other end of the climbing part 2 is fixedly connected with the anti-falling mechanism, the anti-falling mechanism comprises a square mounting plate 4 which is perpendicular to the climbing part 2, a chute 5 is arranged on one side of the mounting plate 4 along a straight line, a moving roller 6 is mounted on the chute 5 and can move up and down along the straight line of the chute 5, a fixed roller 7 is fixedly mounted on the mounting plate 4, and arc-shaped grooves matched with safety ropes are arranged on the moving roller 6 and the fixed roller 7, so that the safety ropes are in rolling friction with the moving roller 6 and the fixed roller 7 when in contact.
The sliding groove 5 is a long strip-shaped through groove and is vertical to the ground, the gap between the movable roller 6 and the fixed roller 7 is enough for the safety rope to enter when the movable roller moves to the far (upper) end of the sliding groove 5, the small safety rope in the gap between the movable roller 6 and the fixed roller 7 can not be separated when the movable roller moves to the near (lower) end of the sliding groove 5 under the action of gravity in normal use, and the movable roller 6 and the fixed roller 7 are respectively installed on the installation plate 4 through the shaft 3 and the fastening piece. Further the utility model discloses the device detailed composition becomes:
connecting part 1: the part can be in the form of screw thread and nut, can also be in the form of clamp, and other structures and forms which can be connected and installed with the iron tower.
Climbing part 2: the pedal is used for the part of an operator for grabbing and pedaling, and the part is provided with anti-skidding measures such as knurling, a rubber pad and the like.
Fixed wheel and removal wheel: in a free state, the fixed wheel and the movable wheel are on the same horizontal plane, a closed space for the safety rope to pass through is formed between the two pulleys, and the rope can freely pass through but cannot be separated from the space; the movable wheel can move up and down, and when the movable wheel is lifted up, a gap larger than the diameter of the safety rope can be generated between the movable wheel and the fixed wheel, so that the safety rope can enter and exit; after the safety rope enters or goes out, the moving wheel falls back to the horizontal plane under the action of dead weight, the gap between the moving wheel and the fixed wheel is reduced, and the safety rope cannot enter or depart from the safety rope at the moment.
Example 2:
as shown in fig. 4, the pulley type anti-falling device comprises a climbing part 2, one end of the climbing part 2 is detachably mounted on an iron tower through a connecting part 1, the other end of the climbing part 2 is fixedly connected with an anti-falling mechanism, the anti-falling mechanism comprises a spiral rod in a spiral line shape, and an anti-falling nut is mounted at the tail end of the spiral rod. The safety rope can enter the middle of the screw rod from the anti-dropping screw cap and can not be basically dropped out under the action of gravity in actual use.
Example 3:
as shown in fig. 5, a pulley type anti-falling device comprises a climbing part 2, one end of the climbing part 2 is detachably mounted on an iron tower through a connecting part 1, the other end of the climbing part 2 is fixedly connected with an anti-falling mechanism, the anti-falling mechanism comprises a spiral rod in a spiral line shape, and at least one roller or at least one bearing is fixedly mounted on the spiral rod. At the moment, the safety rope can enter the middle of the screw rod from the anti-falling screw cap and basically cannot fall off under the action of gravity in actual use, and resistance can be reduced due to rolling friction between the roller or the bearing and the safety rope.
The utility model discloses a use method and theory of operation are:
before the use, at the position that needs installation pulley type anti-falling device, lift original foot nail off on the iron tower, change the utility model discloses a pulley type prevents weighing down the component.
Before the operator climbs the tower, tools such as a safety belt, a safety rope, an anti-falling safety device (rope grabbing device) and the like are prepared and arranged, and then the operator starts the tower climbing operation. In the operation process, the safety rope moves along with an operator, when the operator climbs beside the pulley type anti-falling device, the moving (rolling) wheel of the pulley type anti-falling device is operated, the safety rope is placed in a gap between the moving wheel and the fixed (rolling) wheel, then the moving wheel is loosened, the moving wheel falls under the action of self weight, meanwhile, the gap between the moving wheel and the fixed wheel is closed, and the anti-falling safety rope is separated. According to the operation, the safety ropes are sequentially put into the pulley type anti-falling components in the process of climbing the tower.
The operation personnel are at the climbing in-process, take place rolling friction between safety rope and the pulley, and furthest reduces the climbing resistance. Once the operator falls, the anti-falling safety device (rope grabbing device) and the safety rope act, and the safety rope is used for hanging the operator through the pulley type anti-falling device, so that the falling accident is prevented.
Claims (6)
1. The utility model provides a pulley type anti-falling device which characterized in that: including fixed connection portion (2) and connecting portion (1) of climbing together, the one end of this portion of climbing (2) is through this connecting portion (1) demountable installation on the iron tower, and the other end and the anti-falling mechanism fixed connection of this portion of climbing (2), this anti-falling mechanism includes mounting panel (4), be equipped with spout (5) along the straight line on this mounting panel (4), thereby install removal gyro wheel (6) and can follow spout (5) rectilinear movement on this spout (5), and still fixed mounting has fixed idler wheel (7) on this mounting panel (4), all be equipped with on this removal gyro wheel (6) and fixed idler wheel (7) with safety rope complex arc recess.
2. The pulley type fall arrest device according to claim 1, wherein: the sliding groove (5) is a strip-shaped through groove and is vertical to the ground.
3. The pulley type fall arrest device according to claim 1, wherein: wherein the movable roller (6) and the fixed roller (7) are vertically arranged on the mounting plate (4) through a shaft (3) and a fastener respectively.
4. The pulley type fall arrest device according to claim 1, wherein: wherein the climbing part (2) is in a long rod shape, and the surface of the climbing part (2) is rough or covered with an anti-slip layer.
5. The utility model provides a pulley type anti-falling device which characterized in that: the anti-falling device comprises a climbing part (2) and a connecting part (1) which are fixedly connected together, wherein one end of the climbing part (2) is detachably mounted on an iron tower through the connecting part (1), the other end of the climbing part (2) is fixedly connected with an anti-falling mechanism, the anti-falling mechanism comprises a spiral rod in a spiral line shape, and an anti-falling nut is mounted at the tail end of the spiral rod.
6. The utility model provides a pulley type anti-falling device which characterized in that: the anti-falling device comprises a climbing part (2) and a connecting part (1) which are fixedly connected together, wherein one end of the climbing part (2) is detachably arranged on an iron tower through the connecting part (1), the other end of the climbing part (2) is fixedly connected with an anti-falling mechanism, the anti-falling mechanism comprises a spiral rod in a spiral line shape, and at least one roller or at least one bearing is fixedly arranged on the spiral rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741950.4U CN211357506U (en) | 2019-10-17 | 2019-10-17 | Pulley type anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741950.4U CN211357506U (en) | 2019-10-17 | 2019-10-17 | Pulley type anti-falling device |
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| Publication Number | Publication Date |
|---|---|
| CN211357506U true CN211357506U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921741950.4U Active CN211357506U (en) | 2019-10-17 | 2019-10-17 | Pulley type anti-falling device |
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| CN (1) | CN211357506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317827A (en) * | 2022-07-15 | 2022-11-11 | 北京国网富达科技发展有限责任公司 | Trackless tower-climbing safety protection device |
-
2019
- 2019-10-17 CN CN201921741950.4U patent/CN211357506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317827A (en) * | 2022-07-15 | 2022-11-11 | 北京国网富达科技发展有限责任公司 | Trackless tower-climbing safety protection device |
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