CN210214661U - Backup protection rope brake device - Google Patents
Backup protection rope brake device Download PDFInfo
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- CN210214661U CN210214661U CN201921153220.2U CN201921153220U CN210214661U CN 210214661 U CN210214661 U CN 210214661U CN 201921153220 U CN201921153220 U CN 201921153220U CN 210214661 U CN210214661 U CN 210214661U
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Abstract
The utility model provides a reserve protection rope arresting gear, relates to reserve protection equipment technical field, including fixing device, wiring device, rope, fixing device and wiring device fixed connection, and fixing device sets up the one end at the wiring device to fix the wiring device on shaft tower or wire pole, wiring device and rope sliding connection. The structure of the rope winding device and the connection mode of the rope winding device and the rope are matched together to apply a speed difference protection principle, so that when the pulling force disappears suddenly, namely the movement speed of the object changes suddenly, the rope winding device can generate a resistance force for blocking the speed change of the object, the effect of rope braking is achieved, the object is guaranteed not to descend any more, the object cannot fall to the ground suddenly, the object can be prevented from being damaged, and safety accidents cannot be caused.
Description
Technical Field
The utility model relates to a reserve protective apparatus technical field, concretely relates to reserve protection rope arresting gear.
Background
In most electric power industries, large-scale tools, materials or insulator strings are often transferred to high positions such as towers or telegraph poles in live-line work, and articles are transferred by a method of manually controlling rope transfer.
For a heavy large-sized tool or insulator string, the rope can slide out of the hand of a person due to reasons such as body strength failure, improper pulling method and the like in the pulling process by means of manpower, and in a common rope pulling mode, the rope cannot be braked when pulling force disappears suddenly, so that transferred objects fall onto the ground, the objects are damaged, and safety accidents can be caused.
Disclosure of Invention
In view of the above, it is desirable to provide a backup protection rope brake device capable of braking when a pulling force suddenly disappears.
A backup protection rope brake device for transferring an article to a tower or pole upper portion, comprising: the device comprises a fixing device, a rope winding device and a rope, wherein the fixing device is fixedly connected with the rope winding device, the fixing device is arranged at one end of the rope winding device so as to fix the rope winding device on a tower or a telegraph pole, and the rope winding device is connected with the rope in a sliding manner; the rope winding device comprises a first pulley, a second pulley, a first connecting rod and a second connecting rod, the first pulley is parallel to the second pulley, a first through hole is formed in the first pulley along the axial direction, a second through hole is formed in the second pulley along the axial direction, the first connecting rod penetrates through the first through hole and is rotatably connected with the first pulley, two ends of the first connecting rod are located outside the first pulley, the second connecting rod penetrates through the second through hole and is rotatably connected with the second pulley, two ends of the second connecting rod are located outside the second pulley, and the same ends of the first connecting rod and the second connecting rod are fixedly connected with the fixing device; the rope includes top and end, and the rope is connected the mode of wiring device and is: the beginning of the rope passes between the first pulley and the second pulley, turns around the first pulley, passes between the first pulley and the second pulley, turns around the second pulley, and passes between the first pulley and the second pulley to apply a pulling force to the beginning of the rope, and an article is suspended at the end of the rope for transfer.
Preferably, the rope is connected to the roping arrangement in a manner that is repeated n times, n being an integer not less than 1.
Preferably, two ends of the first connecting rod are respectively a first end and a second end which are oppositely arranged, two ends of the second connecting rod are respectively a first end and a second end which are oppositely arranged, and the first end of the first connecting rod and the first end of the second connecting rod are fixedly connected with the fixing device; the rope winding device further comprises a limiting plate, the limiting plate is arranged opposite to the fixing device, a U-shaped connecting clamping groove is formed in the limiting plate, a first connecting hole is formed in the limiting plate, the opening direction of the U-shaped connecting clamping groove is perpendicular to the first connecting rod, the U-shaped connecting clamping groove is connected with the first connecting rod in a clamped mode, the second end of the first connecting rod is located outside the limiting plate, the second connecting rod penetrates through the first connecting hole and is connected with the limiting plate in a rotating mode, the second end of the second connecting rod is located outside the limiting plate, the limiting plate can rotate by taking the second connecting rod as a fixed point, and therefore the rope and the rope.
Preferably, the rope winding device further comprises a first limiting block and a second limiting block, the first limiting block is fixedly connected with the second end of the first connecting rod, so that the limiting plate can be clamped and fixed between the first pulley and the first limiting block, and the second limiting block is fixedly connected with the second end of the second connecting rod, so that the limiting plate is prevented from being separated from the second connecting rod.
Preferably, the fixing device comprises a tower fixing part, the tower fixing part comprises a first clamping part, a threaded rod, a second clamping part and a positioning nut, a second connecting hole is formed in the first clamping part, one end of the threaded rod penetrates through the second connecting hole to be fixedly connected with the first end of the first connecting rod, the threaded rod is coaxial and concentric with the first connecting rod, the first end of the second connecting rod is fixedly connected with the first clamping part, a third connecting hole is formed in the second clamping part, the threaded rod penetrates through the third connecting hole to be movably connected with the second clamping part, so that the second clamping part can move along the length direction of the threaded rod and can rotate along the axial direction of the threaded rod, the positioning nut is screwed into the threaded rod from the other end of the threaded rod and is pressed on the second clamping part, and the second clamping part; one part of the first clamping piece is a rectangular plate body, the end part of one end of the first clamping piece is U-shaped, and the second clamping piece is L-shaped formed by splicing two rectangular plate bodies.
Preferably, the fixing device further comprises a telegraph pole fixing piece, the telegraph pole fixing piece comprises a third clamping piece, a clamp, the third clamping piece is in contact with the first clamping piece, the second clamping piece is in contact with the first clamping piece, the third clamping piece is in fixed connection with the clamp, the third clamping piece is of an L shape, a right-angle edge of the third clamping piece is in contact with the first clamping piece, another right-angle edge of the third clamping piece is in contact with the second clamping piece, the third clamping piece is fixed by the first clamping piece and the second clamping piece in a matched clamping and clamping mode, a right-angle inner wall of the third clamping piece is fixedly connected with one side of the clamp, an opening is formed in the other side of the clamp.
Preferably, the backup protection rope braking device further comprises a transfer pulley, the tail end of the rope is arranged around the transfer pulley, and the rope is in sliding connection with the transfer pulley, so that the transfer pulley is fixed on a tower or a telegraph pole, and then articles are transferred conveniently.
Preferably, the right-angle inner wall of the third clamping piece is provided with an anti-skid rubber sheet.
Preferably, the inner wall of the clamp is provided with an anti-skid rubber sheet.
The utility model adopts the above technical scheme, its beneficial effect lies in: the structure of the rope winding device and the connection mode of the rope winding device and the rope are matched together to apply a speed difference protection principle, so that when the pulling force disappears suddenly, namely the movement speed of the object changes suddenly, the rope winding device can generate a resistance force for blocking the speed change of the object, the effect of rope braking is achieved, the object is guaranteed not to descend any more, the object cannot fall to the ground suddenly, the object can be prevented from being damaged, and safety accidents cannot be caused.
Drawings
Fig. 1 is a schematic view of the construction of a backup protection rope brake device.
Fig. 2 is a schematic view of the connection of the roping arrangement to the ropes.
Fig. 3 is a schematic view of the structure of the roping arrangement.
Fig. 4 is a schematic structural diagram of a tower connecting piece.
Figure 5 is a schematic diagram of the structure of the pole connectors.
In the figure: the device comprises a backup protection rope braking device 10, a tower fixing piece 21, a first clamping piece 211, a second connecting hole 2111, a threaded rod 212, a second clamping piece 213, a positioning nut 214, a pole fixing piece 22, a third clamping piece 221, a clamping hoop 222, a rope winding device 30, a first pulley 31, a second pulley 32, a first connecting rod 33, a second connecting rod 34, a limiting plate 35, a U-shaped connecting clamping groove 351, a first connecting hole 352, a first limiting block 36, a second limiting block 37, a rope 40 and a transmission pulley 50.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 3, an embodiment of the present invention provides a backup protection rope braking device 10 for transferring articles to the upper part of a tower or a utility pole, which is characterized in that: the device comprises a fixing device, a rope winding device 30 and a rope 40, wherein the fixing device is fixedly connected with the rope winding device 30, the fixing device is arranged at one end of the rope winding device 30 so as to fix the rope winding device 30 on a tower or a telegraph pole, and the rope winding device 30 is connected with the rope 40 in a sliding manner; the rope winding device 30 comprises a first pulley 31, a second pulley 32, a first connecting rod 33 and a second connecting rod 34, wherein the first pulley 31 is parallel to the second pulley 32, the first pulley 31 is axially provided with a first through hole, the second pulley 32 is axially provided with a second through hole, the first connecting rod 33 passes through the first through hole and is rotatably connected with the first pulley 31, two ends of the first connecting rod 33 are positioned outside the first pulley 31, the second connecting rod 34 passes through the second through hole and is rotatably connected with the second pulley 32, two ends of the second connecting rod 34 are positioned outside the second pulley 32, and the same ends of the first connecting rod 33 and the second connecting rod 34 are fixedly connected with a fixing device; the rope 40 comprises a beginning and an end, and the rope 40 is connected to the roping arrangement 30 in the following way: the beginning of the rope 40 passes between the first pulley 31 and the second pulley 32, turns around the first pulley 31, passes between the first pulley 31 and the second pulley 32, turns around the second pulley 32, and passes between the first pulley 31 and the second pulley 32 to apply a pulling force to the beginning of the rope 40 to suspend the article at the end of the rope 40 for transfer.
Further, the number of times of repetition of the connection of the rope 40 to the rope winding device 30 is determined according to the mass of the article to be transferred, and the larger the mass is, the larger the number of times of repetition is.
Furthermore, two ends of the first connecting rod 33 are respectively a first end and a second end which are oppositely arranged, two ends of the second connecting rod 34 are respectively a first end and a second end which are oppositely arranged, and the first end of the first connecting rod 33 and the first end of the second connecting rod 34 are both fixedly connected with the fixing device; the rope winding device 30 further comprises a limiting plate 35, the limiting plate 35 is arranged opposite to the fixing device, the limiting plate 35 is provided with a U-shaped connecting clamping groove 351, the first connecting hole 352, the opening direction of the U-shaped connecting clamping groove 351 is perpendicular to the first connecting rod 33, the U-shaped connecting clamping groove 351 is connected with the first connecting rod 33 in a clamping mode, the second end of the first connecting rod 33 is located outside the limiting plate 35, the second connecting rod 34 penetrates through the first connecting hole 352 to be connected with the limiting plate 35 in a rotating mode, the second end of the second connecting rod 34 is located outside the limiting plate 35, so that the limiting plate 35 can rotate with the second connecting rod 34 as a fixed point, and the rope 40 and the rope winding device 30 are convenient to connect. The first connection hole 352 is a long hole to facilitate adjustment of the position restriction plate 35.
Further, the rope winding device 30 further includes a first limiting block 36 and a second limiting block 37, the first limiting block 36 is fixedly connected to the second end of the first connecting rod 33, so that the limiting plate 35 can be clamped and fixed between the first pulley 31 and the first limiting block 36, and the second limiting block 37 is fixedly connected to the second end of the second connecting rod 34, so that the limiting plate 35 is prevented from being separated from the second connecting rod 34. The part of the first connecting rod 33 close to the second end is provided with external threads, the first limiting block 36 is a nut, and the first limiting block 36 is screwed in from the second end of the first connecting rod 33 for limiting; the portion of the second connecting rod 34 near the second end is also provided with an external thread, the second stop block 37 is also a nut, and the second stop block 37 is screwed in from the second end of the second connecting rod 34 for limiting.
Referring to fig. 4, further, the fixing device includes a tower fixing member 21, the tower fixing member 21 includes a first clamping member 211, a threaded rod 212, a second clamping member 213, and a positioning nut 214, a second connecting hole 2111 is formed on the first clamping member 211, one end of the threaded rod 212 passes through the second connecting hole 2111 and is fixedly connected to a first end of the first connecting rod 33, the threaded rod 212 is coaxial and concentric with the first connecting rod 33, the first end of the second connecting rod 34 is fixedly connected with the first clamping piece 211, the second clamping piece 213 is provided with a third connecting hole, the other end of the threaded rod 212 passes through the third connecting hole to be movably connected with the second clamping piece 213, so that the second seizing piece 213 can move in the longitudinal direction of the threaded rod 212 and can rotate in the axial direction of the threaded rod 212, the positioning nut 214 is screwed into the threaded rod 212 from the other end of the threaded rod 212, and is pressed against the second clamping piece 213 to prevent the second clamping piece 213 from disengaging from the threaded rod 212; a part of the first clip member 211 is a rectangular parallelepiped plate, an end of one end of the first clip member 211 is U-shaped, and the second clip member 213 is L-shaped in which two rectangular parallelepiped plates are spliced. The second coupling hole 2111 is a long hole to facilitate adjustment of the position of the first clip piece 211.
Referring to fig. 5, further, the fixing device further includes a pole fixing member 22, the pole fixing member 22 includes a third clamping member 221 and a clamping hoop 222, the third clamping member 221 contacts with both the first clamping member 211 and the second clamping member 213, the third clamping member 221 is fixedly connected with the clamping hoop 222, the third clamping member 221 is L-shaped, a right-angle side of the third clamping member 221 contacts with the first clamping member 211, the other right-angle side of the third clamping member 221 contacts with the second clamping member 213, the first clamping member 211 and the second clamping member 213 are matched and clamped to fix the third clamping member 221, a right-angle inner wall of the third clamping member 221 is fixedly connected with one side of the clamping hoop 222, and an opening is formed on the other side of the clamping hoop 222 so as to be mounted on the pole, and the opening is fastened by bolts. The clip 222 may also be replaced with a metal chain.
Further, the backup protection rope brake apparatus 10 further includes a transfer pulley 50, the end of the rope 40 is disposed around the transfer pulley 50, and the rope 40 is slidably connected to the transfer pulley 50, so that the transfer pulley 50 is fixed to a tower or a utility pole, thereby facilitating the transfer of the article.
Further, an anti-slip rubber is arranged on the right-angled inner wall of the third clamping piece 221.
Further, an anti-slip rubber is arranged on the inner wall of the clamp 222.
When the device is used for transferring articles on a tower, the first clamping plate and the second clamping plate are clamped at the right-angle position of the tower, the positioning nut 214 is screwed in to enable the positioning nut 214 and the second clamping plate to be tightly pressed so as to fix the device on the tower, the limiting plate 35 is rotated, the U-shaped clamping groove is separated from the second connecting rod 34, the rope 40, the first pulley 31 and the second pulley 32 are connected according to the weight of the articles, the transfer pulley 50 is fixed at the high position of the tower, the articles are suspended and fixed at the tail end of the rope 40, the initial end of the rope 40 is manually pulled, and the articles are pulled and lifted to the transfer position;
when this device passes article and uses on the wire pole, block first cardboard and second cardboard respectively on two right angle sides of third cardboard, precession set nut 214 makes set nut 214 sticis with the second cardboard, in order to fix wire pole fixing device on shaft tower fixing device, pull open the opposite side of clamp 222, block clamp 222 into the wire pole, use the bolt fastening, in order to fix this device on the wire pole, rotatory limiting plate 35, leave the U type draw-in groove second connecting rod 34, connect rope 40 and first pulley 31, second pulley 32 according to article weight, fix transmission pulley 50 at the wire pole eminence, hang the end of fixing at rope 40 with article, the beginning of dragging rope 40 by the manual work, drag article and rise to the transmission position.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A backup protection rope brake device for transferring an article to a tower or pole upper portion, comprising: the device comprises a fixing device, a rope winding device and a rope, wherein the fixing device is fixedly connected with the rope winding device, the fixing device is arranged at one end of the rope winding device so as to fix the rope winding device on a tower or a telegraph pole, and the rope winding device is connected with the rope in a sliding manner; the rope winding device comprises a first pulley, a second pulley, a first connecting rod and a second connecting rod, the first pulley is parallel to the second pulley, a first through hole is formed in the first pulley along the axial direction, a second through hole is formed in the second pulley along the axial direction, the first connecting rod penetrates through the first through hole and is rotatably connected with the first pulley, two ends of the first connecting rod are located outside the first pulley, the second connecting rod penetrates through the second through hole and is rotatably connected with the second pulley, two ends of the second connecting rod are located outside the second pulley, and the same ends of the first connecting rod and the second connecting rod are fixedly connected with the fixing device; the rope includes top and end, and the rope is connected the mode of wiring device and is: the beginning of the rope passes between the first pulley and the second pulley, turns around the first pulley, passes between the first pulley and the second pulley, turns around the second pulley, and passes between the first pulley and the second pulley to apply a pulling force to the beginning of the rope, and an article is suspended at the end of the rope for transfer.
2. A backup protection rope brake apparatus according to claim 1 wherein: the connection mode of the rope and the rope winding device is repeated for n times, and n is an integer not less than 1.
3. A backup protection rope brake apparatus according to claim 1 or 2, characterized in that: the two ends of the first connecting rod are respectively a first end and a second end which are oppositely arranged, the two ends of the second connecting rod are respectively a first end and a second end which are oppositely arranged, and the first end of the first connecting rod and the first end of the second connecting rod are fixedly connected with the fixing device; the rope winding device further comprises a limiting plate, the limiting plate is arranged opposite to the fixing device, a U-shaped connecting clamping groove and a first connecting hole are formed in the limiting plate, the opening direction of the U-shaped connecting clamping groove is perpendicular to the first connecting rod, the U-shaped connecting clamping groove is connected with the first connecting rod in a clamped mode, the second end of the first connecting rod is located outside the limiting plate, the second connecting rod penetrates through the first connecting hole to be connected with the limiting plate in a rotating mode, the second end of the second connecting rod is located outside the limiting plate, the limiting plate can rotate by taking the second connecting rod as a fixed point, and therefore the rope and the rope winding device are convenient to connect.
4. A backup protection rope brake apparatus according to claim 3 wherein: the rope winding device further comprises a first limiting block and a second limiting block, the first limiting block is fixedly connected with the second end of the first connecting rod, so that the limiting plate can be clamped and fixed between the first pulley and the first limiting block, and the second limiting block is fixedly connected with the second end of the second connecting rod, so that the limiting plate is prevented from being separated from the second connecting rod.
5. A backup protection rope brake apparatus according to claim 4 wherein: the fixing device comprises a tower fixing part, the tower fixing part comprises a first clamping part, a threaded rod, a second clamping part and a positioning nut, a second connecting hole is formed in the first clamping part, one end of the threaded rod penetrates through the second connecting hole to be fixedly connected with the first end of the first connecting rod, the threaded rod is coaxial and concentric with the first connecting rod, the first end of the second connecting rod is fixedly connected with the first clamping part, a third connecting hole is formed in the second clamping part, the threaded rod penetrates through the third connecting hole to be movably connected with the second clamping part, so that the second clamping part can move along the length direction of the threaded rod and can rotate along the axial direction of the threaded rod, the positioning nut is screwed into the threaded rod from the other end of the threaded rod and is pressed on the second clamping part, and the second clamping part; one part of the first clamping piece is a rectangular plate body, the end part of one end of the first clamping piece is U-shaped, and the second clamping piece is L-shaped formed by splicing two rectangular plate bodies.
6. A backup protection rope brake apparatus according to claim 5 wherein: fixing device still includes the wire pole mounting, the wire pole mounting includes the third fastener, the clamp, the third fastener and first fastener, the equal contact of second fastener, third fastener and clamp fixed connection, the third fastener is the L type, a right-angle side and the first fastener contact of third fastener, another right-angle side and the second fastener contact of third fastener, the third fastener is fixed with second fastener cooperation joint to first fastener, the right-angle inner wall of third fastener and one side fixed connection of clamp, the opposite side of clamp is opened there is the opening, so that install on the wire pole, the opening passes through bolt-up.
7. A backup protection rope brake apparatus according to claim 1 wherein: the backup protection rope braking device further comprises a transmission pulley, the tail end of the rope is arranged to pass around the transmission pulley, and the rope is connected with the transmission pulley in a sliding mode, so that the transmission pulley is fixed on a tower or a telegraph pole, and articles can be conveniently transmitted.
8. A backup protection rope brake apparatus according to claim 6 wherein: and an anti-skid rubber sheet is arranged on the right-angle inner wall of the third clamping piece.
9. A backup protection rope brake apparatus according to claim 6 wherein: and an anti-skid rubber is arranged on the inner wall of the hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921153220.2U CN210214661U (en) | 2019-07-22 | 2019-07-22 | Backup protection rope brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921153220.2U CN210214661U (en) | 2019-07-22 | 2019-07-22 | Backup protection rope brake device |
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| Publication Number | Publication Date |
|---|---|
| CN210214661U true CN210214661U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921153220.2U Active CN210214661U (en) | 2019-07-22 | 2019-07-22 | Backup protection rope brake device |
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| CN (1) | CN210214661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622695A (en) * | 2020-05-27 | 2020-09-04 | 中海石油(中国)有限公司深圳分公司 | Lower casing rope-blocking control device |
-
2019
- 2019-07-22 CN CN201921153220.2U patent/CN210214661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622695A (en) * | 2020-05-27 | 2020-09-04 | 中海石油(中国)有限公司深圳分公司 | Lower casing rope-blocking control device |
| CN111622695B (en) * | 2020-05-27 | 2024-09-20 | 中海石油(中国)有限公司深圳分公司 | Control device for rope blocking of lower sleeve |
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