CN213037385U - Rope locking device and anti-falling safety device - Google Patents

Rope locking device and anti-falling safety device Download PDF

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Publication number
CN213037385U
CN213037385U CN202022114971.2U CN202022114971U CN213037385U CN 213037385 U CN213037385 U CN 213037385U CN 202022114971 U CN202022114971 U CN 202022114971U CN 213037385 U CN213037385 U CN 213037385U
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China
Prior art keywords
rope
locking
safety
outer shell
main
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Withdrawn - After Issue
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CN202022114971.2U
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Chinese (zh)
Inventor
王寅飞
梁鹤涛
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Huaneng Hegang Power Generation Co ltd
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Huaneng Hegang Power Generation Co ltd
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Priority to CN202022114971.2U priority Critical patent/CN213037385U/en
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Abstract

The utility model discloses a rope locking device, which comprises a rope locking block which is close to and extrudes and locks a safety rope when the main rope is broken, the rope locking block comprises a main body and a plurality of rope locking teeth, the rope locking teeth are positioned on one side of the main body which is contacted with the safety rope and are arranged along the length direction of the safety rope, a gap is arranged between the adjacent rope locking teeth, one side of the rope locking teeth is an arc curved surface, one side of the main body is attached with a side plate, the main body is connected with an action element, the anti-falling safety device is also disclosed, an outer shell is arranged at the lower end of a platform, the rope locking device is arranged in the outer shell, the upper end of the outer shell is provided with a first through hole and a second through hole, the lower end is provided with a through hole, the first through hole is used for the safety rope to penetrate, the second through hole is used for the main rope to penetrate, one, the rope locking device and the anti-falling safety device can effectively lock the safety rope when the main rope is broken, and are long in service life.

Description

Rope locking device and anti-falling safety device
Technical Field
The utility model relates to a safety device technical field specifically relates to a rope locking device and prevent weighing down breaker.
Background
A hearth lifting working platform of a thermal power plant is main equipment for bearing, conveying and overhauling workers to operate when a boiler hearth is overhauled. The lifting platform works between 10 meters and 60 meters in the hearth, and bears maintainers and maintenance materials. The safety and the reliability of the lifting platform are related to the life safety of operators.
The lifting platform is lifted by a winch through 4 lifting points on a boiler ceiling, and is provided with 4 auxiliary safety steel wire ropes, and each auxiliary safety steel wire rope is provided with an anti-falling safety device so as to play a role in protection after a main rope is broken. The key device in the anti-falling safety device is a rope locking device, when the main rope breaks, the anti-falling safety device acts, the rope locking device clamps the steel wire rope, and the lifting platform stops descending.
The original rope locking device is characterized in that iron particles with the size of 5mm multiplied by 5mm are welded on the surface of a rope locking device through copper welding, the iron particles are also peeled off due to the peeling of copper caused by the abrasion of the rope locking device and the surface of a steel wire rope, and according to the requirements of GB/T34029-2017 boiler hearth overhaul lifting platform: when the overhaul platform bears the static test load, the brake acts for 15min, and the sliding distance is not more than 10mm, so that the potential safety hazard caused by the fact that copper welding particles fall off and the locking force is insufficient due to abrasion to ensure the safety and reliability of the rope locking device is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rope locking device and anti-falling safety device to solve the problem that above-mentioned prior art exists, make rope locking device and anti-falling safety device can effectively lock the safety rope when the main rope fracture, and long service life.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a rope locking device, including two at least locking rope pieces, the locking rope piece includes main part and a plurality of locking rope teeth, the locking rope tooth is located be used for contacting one side of safety rope in the main part, just the locking rope tooth is used for arranging in proper order along the length direction of safety rope, and is adjacent gapped between the locking rope tooth, just be used for being the arc curved surface with one side of safety rope contact on the locking rope tooth, keep away from in the main part one side of locking rope tooth is used for and prevents the curb plate laminating of weighing down the breaker, the main part is used for being connected with the action component of weighing down the breaker, just the locking rope piece can be close to each other and extrude the locking safety rope under the drive of action component.
Preferably, the number of the rope locking blocks is two, and the two rope locking blocks are symmetrically arranged on two sides of the safety rope.
Preferably, the rope locking teeth on each rope locking block are uniformly arranged, and the positions of the rope locking teeth on different rope locking blocks are staggered.
The utility model also provides an anti-falling safety device, which comprises an outer shell, an action element and a rope locking device in any one of the above technical schemes, wherein the outer shell is used for being installed at the lower end of a platform, the rope locking device is installed in the outer shell, the upper end surface of the outer shell is provided with a first penetrating hole and a second penetrating hole, the lower end surface of the outer shell is provided with a penetrating hole, the first penetrating hole is used for penetrating in a safety rope, the penetrating hole is used for penetrating out the safety rope, a plurality of rope locking blocks are used for penetrating in a safety rope, the second penetrating hole is used for penetrating in a main rope, one end of the action element is used for connecting the main rope, the action element is positioned in the outer shell, one end of the action element, which is far away from the main rope, is connected with the rope locking device, when the main rope is not broken, the space between the rope locking devices can enable the safety rope, when the main rope is broken, the action element drives the rope locking blocks to mutually approach and extrude and lock the safety rope.
Preferably, the action element includes pendulum rod and elastic element, a fixed pin periphery is located to the middle part cover of pendulum rod, just the fixed pin is fixed on the lateral wall of shell body, the pendulum rod can center on the fixed pin rotates, just the one end of pendulum rod is used for fixed with the lower extreme of main rope, the other end with the connection can be dismantled to the lock rope ware, elastic element one end is fixed on the pendulum rod, the other end is fixed the interior top surface of shell body, just elastic element is located between fixed pin and the main rope, behind the main rope disconnection, elastic element kick-backs and drives by the compression state the pendulum rod rotates, the pendulum rod drives lock rope ware locking safety rope.
Preferably, two inclined and symmetrical side plates are arranged in the outer shell, the upper ends of the two side plates are fixed to the inner top surface of the outer shell, the lower ends of the two side plates are fixed to the inner bottom surface of the outer shell, and the side plates extend from the upper end of the outer shell to the lower end of the outer shell gradually in the direction away from the safety rope.
Preferably, the rope locking device comprises two rope locking blocks, wherein the rope locking blocks are away from one side of the rope locking teeth and are respectively contacted with two side plates, the rope locking blocks can slide between the side plates, one side of each rope locking block is always attached to the side plates in the sliding process, and the other side of each rope locking block can slide to be contacted with or be away from the safety rope.
Preferably, every still be equipped with a through-hole on the lock rope piece respectively, the pendulum rod is the Y font, just the pendulum rod includes driving lever and two driven levers, two the articulated tie point that forms of one end of driven lever, the other end extends and is used for penetrating to the difference respectively to the direction of keeping away from each other in the through-hole, the one end of driving lever is used for being connected with the main rope, the other end with the tie point is fixed.
Preferably, the elastic element is a spring.
Preferably, one side of the rope locking teeth, which is used for contacting the safety rope, is provided with a groove, and the inner bottom surface of the groove is consistent with the outer wall of the safety rope in shape and can be attached to the outer wall of the safety rope.
The utility model discloses for prior art gain following technological effect:
the utility model provides a lock rope ware, lock rope tooth is located one side that is used for contacting the safety rope in the main part, and lock rope tooth arranges in proper order along the length direction of safety rope, it is gapped between the adjacent lock rope tooth, and be used for on the lock rope tooth to be the arc curved surface with one side of safety rope contact, make lock rope tooth contact safety rope surface even, the friction area has been increased, locking safety rope that can be better, through the frictional force prevention platform tenesmus that produces between arcwall face and the safety rope, play and prevent weighing down the function, and simultaneously, lock rope tooth drops when also preventing to use, influence whole life and lock rope effect.
The utility model provides a prevent weighing down breaker, the shell body is used for installing in the platform lower extreme, the lock rope ware is installed in the shell body, the shell body up end is equipped with first hole and the hole is worn to the second, the lower terminal surface of shell body is equipped with the hole of wearing out, the safety rope penetrates from first wearing out the hole, and pass the lock rope ware and wear out from wearing out the hole, the main rope penetrates from the second hole, and be connected with the one end of action component, the action component is located the shell body, and the one end of keeping away from the main rope on the action component is connected with the lock rope ware, when the main rope is not cracked, the lock rope ware is not locked to the safety rope, this moment is the unblock state, can not influence the normal lift of platform, when the main rope is cracked, the action component drives the lock rope piece and is close to each other and extrudees the locking safety rope, this moment is.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a cord lock provided in accordance with an embodiment;
FIG. 2 is a top view of the cord lock of FIG. 1;
FIG. 3 is a schematic view of the fall arrest safety device provided in the second embodiment in an unlocked state;
FIG. 4 is a schematic view of the fall arrest safety device of the second embodiment in a locked condition;
in the figure: 1-main body, 2-locking rope teeth, 3-through hole, 4-outer shell, 5-driving rod, 6-fixing pin, 7-driven rod, 8-elastic element, 9-side plate, 10-main rope, 11-safety rope and 12-platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a rope locking device and prevent weighing down breaker to it is not enough to solve current rope locking device locking force, and the short-lived technical problem who influences the safety in utilization.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1-2, the present embodiment provides a rope locking device, which includes at least two rope locking blocks, the rope locking blocks are circumferentially disposed around a safety rope 11, and can be close to each other and squeeze and lock the safety rope 11 when a main rope 10 is broken, the rope locking blocks include a main body 1 and a plurality of rope locking teeth 2, the rope locking teeth 2 are disposed on one side of the main body 1 for contacting the safety rope 11, and the rope locking teeth 2 are sequentially arranged along a length direction of the safety rope 11, a gap is formed between adjacent rope locking teeth 2, so as to form a tooth surface, so as to effectively lock the safety rope 11, and one side of the rope locking teeth 2 for contacting the safety rope 11 is an arc-shaped curved surface, so that the rope locking teeth 2 contact the surface of the safety rope 11 uniformly, thereby increasing a friction area, and locking the safety rope 11 better, and preventing a platform 12 from falling down due to a friction force generated between the arc-shaped surface and the safety rope 11, thereby achieving an anti-, the locking rope teeth 2 are prevented from falling off when the anti-falling safety device is used, the whole service life and the locking rope effect are influenced, one side, far away from the locking rope teeth 2, of the main body 1 is used for being attached to a side plate 9 of the anti-falling safety device, the main body 1 is used for being connected with an action element of the anti-falling safety device, and the locking rope blocks can be close to each other and extrude the locking safety rope 11 under the driving of the action element.
Specifically, the locking rope piece is two, and two locking rope piece symmetries set up in the both sides of safety rope 11, conveniently through action element control, also can effectively lock safety rope 11 simultaneously.
The locking rope teeth 2 on each locking rope block are uniformly arranged, and the positions of the locking rope teeth 2 on different locking rope blocks are staggered, so that the situation that the same horizontal position on the safety rope 11 is contacted with two locking rope teeth 2 at the same time is prevented, the rope locking effect is improved, but the number and the arrangement mode of the locking rope blocks in the rope locking device provided by the embodiment are not limited to the limitation, when the number of the locking rope blocks is larger than two, a plurality of locking rope blocks are circumferentially and uniformly arranged around the safety rope 11, and only one locking rope tooth 2 is arranged at the same horizontal height on the safety rope 11, the rope locking device provided by the embodiment is more excellent, the rope locking device passes through a 110% dynamic load braking test, and 125% static load braking tests all meet the requirements of GB code/T34029-2017 steel furnace hearth maintenance lifting platform.
Example two
As shown in fig. 3-4, the present embodiment provides an anti-falling safety device, which includes an outer casing 4, an actuating element, and a rope locking device in the first embodiment, where the outer casing 4 is configured to be installed at the lower end of a platform 12 without affecting the normal lifting and bearing of the platform 12, the rope locking device is installed in the outer casing 4, the upper end surface of the outer casing 4 is provided with a first through hole and a second through hole, the lower end surface of the outer casing is provided with an through hole, a safety rope 11 penetrates through the first through hole and penetrates through the rope locking device, a main rope 10 penetrates through the second through hole and is connected with one end of the actuating element, the actuating element is located in the outer casing 4, and one end of the actuating element, which is far away from the main rope 10, is connected with the rope locking device, so as to ensure that the state of the main rope 10 can be transferred to the actuating element, and control the state of the rope locking device through the actuating element, when the main rope 10 is not broken, the spaces, the rope locking device does not lock the safety rope 11, is in an unlocking state at the moment, and does not influence the normal lifting of the platform 12, when the main rope 10 is broken, the action element drives the rope locking block to mutually approach and extrude the locking safety rope 11, and is in a locking state at the moment, the rope locking device realizes a rope locking function and prevents the platform 12 from continuously falling.
Specifically, the action element comprises a swing rod and an elastic element 8, the middle part of the swing rod is sleeved on the periphery of a fixed pin 6, the fixed pin 6 is fixed on the side wall of the outer shell 4, the swing rod can rotate around the fixed pin 6, one end of the swing rod is used for being fixed with the lower end of a main rope 10, the other end of the swing rod is detachably connected with the rope locking device, one end of the elastic element 8 is fixed on the swing rod, the other end of the elastic element 8 is fixed on the inner top surface of the outer shell 4, the elastic element 8 is located between the fixed pin 6 and the main rope 10, when the main rope 10 is not broken, the whole swing rod is located in an unlocking state, under the action of the pulling force of the main rope 10, the elastic element 8 is located in a compression state, the swing rod is parallel to the horizontal plane, when the main rope 10 is broken, the whole swing rod is located in a locking state, the main rope 10 does not, and drives the rope locking device to lock the safety rope 11.
Two inclined and symmetrical side plates 9 are arranged in the outer shell 4, the upper ends of the two side plates 9 are fixed on the inner top surface of the outer shell 4, the lower ends of the two side plates 9 are fixed on the inner bottom surface of the outer shell 4, and each side plate 9 gradually extends from the upper end of the outer shell to the lower end of the outer shell in the direction away from the safety rope 11, namely the distance between the upper ends of the two side plates 9 is smaller than the distance between the lower ends of the two side plates 9; the rope locking device comprises two rope locking blocks, one side of two rope locking blocks, which is far away from the rope locking teeth 2, is contacted with two side plates 9 respectively, the rope locking blocks can slide between the two side plates 9, one side of the rope locking blocks in the sliding process is always attached to the side plates 9, the other side of the rope locking blocks can slide to be contacted with or far away from the safety rope 11, one side of the rope locking blocks is attached to the side plates 9, the other side of the rope locking blocks can be attached to the safety rope 11, the rope locking blocks are narrow and wide, the main rope 10 is guaranteed to be broken, the swing rod drives the rope locking device to move upwards, the distance between the two side plates 9 is reduced, the distance between the rope locking blocks is reduced to be contacted with and locked the safety rope 11.
Each rope locking block is also provided with a through hole 3, the swing rod is Y-shaped and comprises a driving rod 5 and two driven rods 7, one end of each driven rod 7 is hinged to form a connecting point, the other end of each driven rod extends towards the direction away from each other and is respectively used for penetrating into different through holes 3, one end of each driving rod 5 is used for being connected with a main rope 10, the other end of each driving rod 5 is fixed with the connecting point, so that one driving rod 5 drives the two driven rods 7 to rotate, meanwhile, the two driven rods 7 cannot limit the two rope locking blocks to approach or separate from each other, when the main rope 10 is broken, the elastic element 8 drives one end of each driving rod 5 away from the corresponding driven rod 7 to move downwards, one end of each driven rod 7 away from the driving rod 5 moves upwards, the two rope locking blocks move upwards along the side plate 9, the two rope locking blocks gradually approach to respectively contact with the safety ropes 11, and the elastic element 8 acts on the, and when downward pressure is applied to the driving rod 5, the driven rod 7 applies upward thrust to the rope locking block, and meanwhile, the side plate 9 applies extrusion force to the rope locking block, so that the rope locking function is realized.
The elastic element 8 is a spring, and is convenient to use and adjust, but the elastic element 8 in the anti-falling safety device provided by the embodiment is not limited to a spring, and only the acting force on the swing rod is ensured.
The recess has been seted up to one side that is used for contacting safety rope 11 on lock rope tooth 2, and the interior bottom surface of recess is unanimous with 11 outer wall shapes of safety rope, and the interior bottom surface of recess is an arcwall face, can with the outer wall laminating of safety rope 11, and face contact increase frictional force improves the locking force, is difficult to drop because of wearing and tearing simultaneously, long service life, and is more excellent, appears wearing and tearing when the lock rope piece, direct change lock rope piece can, practice thrift the cost.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. A rope locking device is characterized in that: including two at least locking rope pieces, the locking rope piece includes main part and a plurality of locking rope teeth, the locking rope tooth is located be used for contacting one side of safety rope in the main part, just the locking rope tooth is used for arranging in proper order along the length direction of safety rope, and is adjacent gapped between the locking rope tooth, just be used for being the arc curved surface with one side of safety rope contact on the locking rope tooth, keep away from in the main part one side of locking rope tooth is used for laminating with the curb plate of preventing weighing down the breaker, the main part is used for being connected with the action component of preventing weighing down the breaker, just the locking rope piece can be close to each other and extrude the locking safety rope under the drive of action component.
2. The rope locker of claim 1, wherein: the rope locking blocks are two and are symmetrically arranged on two sides of the safety rope.
3. The rope locker of claim 2, wherein: the rope locking teeth on the rope locking blocks are uniformly arranged, and the positions of the rope locking teeth on the different rope locking blocks are staggered.
4. The utility model provides a prevent weighing down breaker which characterized in that: comprising an outer housing, an actuating element and a rope locker according to any one of claims 1 to 3, the outer housing being adapted to be mounted to the lower end of a platform, the rope locking device is arranged in the outer shell, the upper end surface of the outer shell is provided with a first through hole and a second through hole, the lower end surface of the outer shell is provided with an through hole, the first penetrating hole is used for penetrating a safety rope, the penetrating hole is used for penetrating the safety rope, the safety rope penetrates through the plurality of rope locking blocks, the second penetrating hole is used for penetrating a main rope, one end of the action element is used for connecting the main rope, the action element is positioned in the outer shell, and one end of the action element, which is far away from the main rope, is connected with the rope locking device, when the main rope is not broken, the space between the rope locking devices can enable the safety rope to freely pass through, and when the main rope is broken, the action element drives the rope locking blocks to mutually approach and extrude to lock the safety rope.
5. The fall arrest safety device according to claim 4, wherein: the action element comprises a swing rod and an elastic element, the periphery of a fixed pin is sleeved in the middle of the swing rod, the fixed pin is fixed to the side wall of the outer shell, the swing rod can rotate around the fixed pin, one end of the swing rod is used for being fixed to the lower end of a main rope, the other end of the swing rod is detachably connected with the rope locking device, one end of the elastic element is fixed to the swing rod, the other end of the elastic element is fixed to the inner top surface of the outer shell, the elastic element is located between the fixed pin and the main rope, the main rope is disconnected, the elastic element rebounds and drives the swing rod to rotate in a compression state, and the swing rod drives the rope locking device to lock.
6. The fall arrest safety device according to claim 5, wherein: the safety rope is characterized in that two inclined and symmetrical side plates are arranged in the outer shell, the upper ends of the two side plates are fixed to the inner top surface of the outer shell, the lower ends of the two side plates are fixed to the inner bottom surface of the outer shell, and the side plates extend from the upper end of the outer shell to the lower end of the outer shell gradually in the direction away from the safety rope.
7. The fall arrest safety device according to claim 6, wherein: the rope locking device comprises two rope locking blocks, wherein one side of each rope locking block, which is far away from the rope locking teeth, is in contact with two side plates respectively, the rope locking blocks can slide between the side plates, one side of each rope locking block is always attached to the side plates in the sliding process, and the other side of each rope locking block can slide to contact with or be far away from the safety rope.
8. The fall arrest safety device according to claim 6, wherein: every still be equipped with a through-hole on the locking rope piece respectively, the pendulum rod is the Y font, just the pendulum rod includes driving lever and two driven levers, two the articulated tie point that forms of one end of driven lever, the other end extend to the direction of keeping away from each other and be used for respectively penetrating to the difference in the through-hole, the one end of driving lever is used for being connected with the main rope, the other end with the tie point is fixed.
9. The fall arrest safety device according to claim 5, wherein: the elastic element is a spring.
10. The fall arrest safety device according to claim 4, wherein: one side of the rope locking teeth, which is used for contacting the safety rope, is provided with a groove, and the inner bottom surface of the groove is consistent with the outer wall of the safety rope in shape and can be attached to the outer wall of the safety rope.
CN202022114971.2U 2020-09-24 2020-09-24 Rope locking device and anti-falling safety device Withdrawn - After Issue CN213037385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022114971.2U CN213037385U (en) 2020-09-24 2020-09-24 Rope locking device and anti-falling safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022114971.2U CN213037385U (en) 2020-09-24 2020-09-24 Rope locking device and anti-falling safety device

Publications (1)

Publication Number Publication Date
CN213037385U true CN213037385U (en) 2021-04-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022114971.2U Withdrawn - After Issue CN213037385U (en) 2020-09-24 2020-09-24 Rope locking device and anti-falling safety device

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Country Link
CN (1) CN213037385U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115353044A (en) * 2022-07-18 2022-11-18 深圳力生物流仓储科技有限公司 Stacker rope breakage protection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115353044A (en) * 2022-07-18 2022-11-18 深圳力生物流仓储科技有限公司 Stacker rope breakage protection device
CN115353044B (en) * 2022-07-18 2023-08-15 深圳力生物流仓储科技有限公司 Rope breakage protection device of stacker

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