CN220599697U - Self-locking rope ladder head - Google Patents
Self-locking rope ladder head Download PDFInfo
- Publication number
- CN220599697U CN220599697U CN202322107252.1U CN202322107252U CN220599697U CN 220599697 U CN220599697 U CN 220599697U CN 202322107252 U CN202322107252 U CN 202322107252U CN 220599697 U CN220599697 U CN 220599697U
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- rope ladder
- ladder head
- self
- locking
- piece
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- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a self-locking rope ladder head, which belongs to the technical field of power maintenance equipment, and has the technical scheme that: including the first main part of rope ladder, be provided with the couple in the first main part of rope ladder, it is provided with the gyro wheel to rotate on the couple, be provided with self-locking device in the first main part of rope ladder, self-locking device can seal the opening of couple and the cooperation couple forms the closed area that supplies the wire to place, be provided with on the couple and be used for the spacing stop device to the gyro wheel circumference, this rope ladder head is sealed the opening of couple and the cooperation couple forms the closed area that supplies the wire to place through self-locking device to closed area carries out spacingly to the wire, can prevent that the rope ladder head from breaking away from the wire, the security is higher.
Description
Technical Field
The utility model belongs to the technical field of power maintenance equipment, and particularly relates to a self-locking rope ladder head.
Background
The rope ladder head belongs to a tool in the power supply field, is mainly used for connecting a rope ladder and hanging on a wire to carry out live working, is widely used for high-altitude working in power line construction and daily maintenance activities, and is used for a worker to stay on the metal rope ladder head connected with the rope ladder for a longer time, so that the problem of using safety of the rope ladder head is becoming a focus of attention increasingly.
The Chinese patent with the bulletin number of CN203632115U discloses an electric control rope ladder head, and relates to the technical field of power transmission and transformation construction tools in the power industry. The elevator mainly comprises an elevator head frame, a hook and a pulley which are arranged on the elevator head frame, and is characterized by further comprising a power output device, wherein the power output device is connected with the hook and comprises a motor, a controller and a storage battery, and the motor is connected with a driving wheel.
The technical scheme has the following defects: the rope ladder head is directly hung on the guide wire through the pulley at the hook, but because the hook of the rope ladder head is always in an unsealed state in the operation process of a worker, the rope ladder head is separated from the guide wire, and the danger of great potential safety hazard exists.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art, and provides a self-locking rope ladder head, which aims at solving the technical problems that: how to avoid the rope ladder head from being separated from the lead.
The technical aim of the utility model can be achieved by the following technical scheme: the self-locking rope ladder head comprises a rope ladder head main body, wherein a hook is arranged on the rope ladder head main body, a roller is rotatably arranged on the hook, a self-locking device is arranged on the rope ladder head main body, the self-locking device can seal an opening of the hook and cooperate with the hook to form a sealing area for placing a wire, and a limiting device for limiting the circumference of the roller is arranged on the hook.
In the self-locking rope ladder head, the self-locking device comprises a movable cross rod, a movable rod, a locking piece and a resetting piece I, wherein the movable cross rod is arranged on the rope ladder head main body in a sliding mode, the movable cross rod is connected with the movable rod, the locking piece is rotatably arranged on the rope ladder head main body, the locking piece is rotatably connected with the movable rod, the locking piece can cover an opening of the hook, and the resetting piece I is used for resetting the movable cross rod.
In the self-locking rope ladder head, the first reset piece comprises a first reset spring, the first reset spring is sleeved on the rope ladder head main body, a support rod is arranged on the rope ladder head main body, and the first reset spring is located between the support rod and the movable cross rod.
In the self-locking rope ladder head, the hook is provided with the positioning piece, the locking piece is provided with the positioning groove, and when the locking piece rotates, the positioning piece can be inserted into or separated from the positioning groove.
In the self-locking rope ladder head, the roller is provided with the plurality of limiting grooves, the limiting device comprises a limiting pin and a second resetting piece, the limiting pin is movably arranged on the rope ladder head main body, the limiting pin can be inserted into or separated from any one of the limiting grooves, and the second resetting piece is used for resetting the limiting pin.
In the self-locking rope ladder head, the installation seat is arranged on the rope ladder head main body, the limiting pin penetrates through the installation seat, the second reset piece comprises a second reset spring, one end of the second reset spring is in interference or connection with the limiting pin, the other end of the second reset spring is in interference or connection with the installation seat, and as other schemes, the second reset piece can also adopt two magnets which are attracted in a magnetic attraction and repulsion mode.
In the self-locking rope ladder head, the end part of the limiting pin is connected with a pull ring.
In the self-locking rope ladder head, the mounting seat is provided with a limiting opening, and the pull ring can be inserted into or separated from the limiting opening.
In the self-locking rope ladder head, the movable cross rod is provided with a first perforation, and the support rod is provided with a second perforation.
In the self-locking rope ladder head, a limiting block is arranged on the rope ladder head main body and used for limiting the movable cross rod.
In summary, compared with the prior art, the utility model has the following beneficial effects:
1. in the process of working of staff, the opening of the hook is closed through the self-locking device and is matched with the hook to form a closed area for placing the wire, the wire is limited by the closed area, the rope ladder head is prevented from being separated from the wire, and the safety is higher;
2. in the process of working personnel operation, the roller is circumferentially limited by the limiting device, so that the position of the rope ladder head on the guide wire is prevented from changing due to rotation of the roller, and the stability of the soft head during working personnel operation is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a cross-sectional view of an embodiment spacing device;
fig. 3 is a schematic structural view of an embodiment locking member.
Reference numerals: 1. a rope ladder head body; 2. a hook; 3. a roller; 4. a self-locking device; 41. a locking member; 42. a movable cross bar; 43. a movable rod; 44. a first reset piece; 5. a closed region; 6. a limiting device; 61. a limiting pin; 62. a second reset piece; 7. a positioning piece; 8. a positioning groove; 9. a limit groove; 10. a mounting base; 11. a pull ring; 12. a limit opening; 13. perforating first; 14. perforating the second hole; 15. a limiting block; 16. and (5) supporting the rod.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The self-locking rope ladder head comprises a rope ladder head body 1, as shown in fig. 1 to 3, wherein a hook 2 is arranged on the rope ladder head body 1.
The hook 2 is rotatably provided with a roller 3, and when a worker works, the rope ladder head can be hung on the guide wire through the roller 3.
The rope ladder head main body 1 is provided with a self-locking device 4, and the self-locking device 4 can seal the opening of the hook 2 and form a sealing area 5 for placing a lead by matching with the hook 2.
Preferably, the self-locking device 4 comprises a movable cross rod 42, a movable rod 43, a locking piece 41 and a reset piece 44, wherein the movable cross rod 42 is slidably arranged on the rope ladder head main body 1, the movable cross rod 42 is connected with the movable rod 43, the locking piece 41 is rotatably arranged on the rope ladder head main body 1, the locking piece 41 is rotatably connected with the movable rod 43, the locking piece 41 can cover the opening of the hook 2, the locking piece 41 is used for covering the opening of the hook 2, the locking piece 41 is matched with the hook 2 to form a closed area 5, when a wire is positioned in the closed area 5, the closed area 5 limits the wire, so that the rope ladder head is prevented from being separated from the wire, and the safety of the rope ladder head is higher.
The first reset member 44 is used for resetting the movable cross bar 42, preferably, the first reset member 44 comprises a first reset spring, the first reset spring is sleeved on the rope ladder head body 1, the supporting rod 16 is arranged on the rope ladder head body 1, the first reset spring is located between the supporting rod 16 and the movable cross bar 42, namely, when a worker slides the movable cross bar 42 through external force, the movable cross bar 42 cooperates with the supporting rod 16 to squeeze the first reset spring, the first reset spring is in a compressed state at the moment, and after the external force applied on the movable cross bar 42 by the worker disappears, the first reset spring slides and resets the movable cross bar 42 through acting force generated by elastic deformation.
Be provided with stopper 15 on the rope ladder head main part 1, stopper 15 is used for spacing movable horizontal pole 42, promptly through stopper 15 to the position of movable horizontal pole 42 on rope ladder head main part 1 restriction, guarantees that the position of movable horizontal pole 42 on rope ladder head main part 1 is stable.
The hook 2 is provided with a positioning piece 7, the locking piece 41 is provided with a positioning groove 8, and when the locking piece 41 rotates, the positioning piece 7 can be inserted into or separated from the positioning groove 8.
It should be noted that, under the self-locking state, because the acting force applied on the movable cross bar 42 by the reset spring and the limit of the limit block 15 to the movable cross bar 42 keep the position of the movable cross bar 42 on the flexible ladder head main body 1 stable at this moment, the locking member 41 covers the opening of the hook 2, and the positioning member 7 is inserted into the positioning slot 8, and the locking member 41 is limited by the cooperation of the positioning member 7 and the positioning slot 8, so that the position stability of the locking member 41 is ensured, and the locking member 41 always covers the opening of the hook 2 under the self-locking state.
When staff needs to take down the rope ladder head from the wire, accessible external force makes movable horizontal pole 42 slide, movable horizontal pole 42 drives movable rod 43 and removes, movable rod 43 drives locking piece 41 and rotates, locking piece 41 rotates to corresponding position, locating piece 7 breaks away from constant head tank 8 at this moment, locking piece 41 can't be with the opening closing cap of couple 2, the wire can be followed the opening department of couple 2 and break away from, thereby realize taking down the rope ladder head from the wire, after the external force that applys on movable horizontal pole 42 disappears, under reset spring's effect, movable horizontal pole 42 slides and resets, movable horizontal pole 42 drives movable rod 43 and removes at this moment, movable rod 43 drives locking piece 41 and rotates, along with the rotation reset of locking piece 41, locating piece 7 reinserts in constant head tank 8, locking piece 41 also covers the opening of couple 2 again.
The roller 3 is provided with a plurality of limit grooves 9, and preferably, the limit grooves 9 are uniformly distributed on the end face of the roller 3 along the circumferential direction of the roller 3.
The hook 2 is provided with a limiting device 6 for limiting the circumference of the roller 3, specifically, the limiting device 6 comprises a limiting pin 61 and a resetting piece II 62, the limiting pin 61 is movably arranged on the rope ladder head main body 1, the limiting pin 61 can be inserted into or separated from any one of the limiting grooves 9, the limiting pin 61 is matched with the limiting groove 9, and the resetting piece II 62 is used for resetting the limiting pin 61.
The rope ladder head main body 1 is provided with the mounting seat 10, the limiting pin 61 penetrates through the mounting seat 10, the second reset piece 62 comprises a second reset spring, one end of the second reset spring is in contact with or connected with the limiting pin 61, and the other end of the second reset spring is in contact with or connected with the mounting seat 10.
The end connection of spacer pin 61 has pull ring 11, can pull spacer pin 61 through pull ring 11, and the operation is more simple and convenient, has seted up spacing mouth 12 on the mount pad 10, and pull ring 11 can insert or break away from spacing mouth 12.
It should be noted that, in the process of the operation of the staff, under the action of the second return spring, the limiting pin 61 is always inserted into the limiting groove 9, and the roller 3 is circumferentially limited by the cooperation of the limiting pin 61 and the limiting groove 9, so that the rope ladder head is prevented from moving on the wire due to the rotation of the roller 3 during the operation of the staff, and the stability of the soft head during the operation of the staff is ensured.
When the position of the rope ladder head on the guide wire needs to be adjusted, the pull ring 11 is pulled by the external force, the pull ring 11 drives the limiting pin 61 to slide until the limiting pin 61 is separated from the limiting groove 9, the roller 3 can rotate at the moment, the rope ladder head is convenient to move, meanwhile, the pull ring 11 is not required to be pulled by the external force all the time for convenient operation, after the pull ring 11 is separated from the limiting opening 12, the pull ring 11 is rotated by the external force, after the pull ring 11 is loosened, the end part of the pull ring 11 is in contact with the end part of the mounting seat 10, so that the limiting of the pull ring 11 is realized, the limiting pin 61 at the moment is always positioned outside the limiting groove 9, namely, the roller 3 can be in a rotatable state without the external force pulling the pull ring 11 all the time, and the position of the rope ladder head is convenient to adjust.
The movable cross rod 42 is provided with the first perforation 13, the support rod 16 is provided with the second perforation 14, namely, a worker can pass through the first perforation 13 to be connected with the movable cross rod 42, then pass through the second perforation 14 to bypass a wire, and the movable cross rod 42 can be pulled to slide through the rope during use, so that the operation is simpler and more convenient.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model; those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. Self-locking rope ladder head, including rope ladder head main part (1), its characterized in that: be provided with couple (2) on rope ladder head main part (1), it is provided with gyro wheel (3) to rotate on couple (2), be provided with self-locking device (4) on rope ladder head main part (1), self-locking device (4) can with the opening of couple (2) is sealed and cooperation couple (2) form and supply seal area (5) that the wire placed, be provided with on couple (2) and be used for right gyro wheel (3) circumference spacing stop device (6).
2. The self-locking rope ladder head of claim 1, wherein: the self-locking device (4) comprises a movable cross rod (42), a movable rod (43), a locking piece (41) and a first reset piece (44), wherein the movable cross rod (42) is arranged on the flexible ladder head main body (1) in a sliding mode, the movable cross rod (42) is connected with the movable rod (43), the locking piece (41) is rotatably arranged on the flexible ladder head main body (1), the locking piece (41) is rotatably connected with the movable rod (43), the locking piece (41) can seal a cover of an opening of the hook (2), and the first reset piece (44) is used for resetting the movable cross rod (42).
3. The self-locking rope ladder head of claim 2, wherein: the first reset piece (44) comprises a first reset spring, the first reset spring is sleeved on the rope ladder head main body (1), a support rod (16) is arranged on the rope ladder head main body (1), and the first reset spring is located between the support rod (16) and the movable cross rod (42).
4. The self-locking rope ladder head of claim 2, wherein: the hook (2) is provided with a positioning piece (7), the locking piece (41) is provided with a positioning groove (8), and when the locking piece (41) rotates, the positioning piece (7) can be inserted into or separated from the positioning groove (8).
5. The self-locking rope ladder head of claim 1, wherein: a plurality of limiting grooves (9) are formed in the idler wheel (3), the limiting device (6) comprises limiting pins (61) and a resetting piece II (62), the limiting pins (61) are movably arranged on the rope ladder head main body (1), the limiting pins (61) can be inserted into or separated from any one of the limiting grooves (9), and the resetting piece II (62) is used for resetting the limiting pins (61).
6. The self-locking rope ladder head of claim 5, wherein: be provided with mount pad (10) on rope ladder head main part (1), locating pin (61) wear to locate mount pad (10), reset piece two (62) include reset spring two, reset spring two's one end with locating pin (61) conflict or be connected, reset spring two's the other end with mount pad (10) conflict or be connected.
7. The self-locking rope ladder head of claim 6, wherein: the end part of the limiting pin (61) is connected with a pull ring (11).
8. The self-locking rope ladder head of claim 7, wherein: the mounting seat (10) is provided with a limiting opening (12), and the pull ring (11) can be inserted into or separated from the limiting opening (12).
9. A self-locking rope ladder head according to claim 3, characterized in that: the movable cross rod (42) is provided with a first perforation (13), and the support rod (16) is provided with a second perforation (14).
10. A self-locking rope ladder head according to claim 3, characterized in that: the rope ladder head is characterized in that a limiting block (15) is arranged on the rope ladder head main body (1), and the limiting block (15) is used for limiting the movable cross rod (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322107252.1U CN220599697U (en) | 2023-08-07 | 2023-08-07 | Self-locking rope ladder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322107252.1U CN220599697U (en) | 2023-08-07 | 2023-08-07 | Self-locking rope ladder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220599697U true CN220599697U (en) | 2024-03-15 |
Family
ID=90170555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322107252.1U Active CN220599697U (en) | 2023-08-07 | 2023-08-07 | Self-locking rope ladder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220599697U (en) |
-
2023
- 2023-08-07 CN CN202322107252.1U patent/CN220599697U/en active Active
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