CN111392506B - Rope structure releasing assembly - Google Patents
Rope structure releasing assembly Download PDFInfo
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- CN111392506B CN111392506B CN202010231329.4A CN202010231329A CN111392506B CN 111392506 B CN111392506 B CN 111392506B CN 202010231329 A CN202010231329 A CN 202010231329A CN 111392506 B CN111392506 B CN 111392506B
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- rope
- rack
- rotating shaft
- seat plate
- winding frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
- B65H59/04—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support
Abstract
The invention relates to a rope body structure releasing assembly, which comprises a base, a winding frame and a braking mechanism, wherein the base comprises a seat plate and two supporting rods arranged on the seat plate at intervals, the lower ends of the supporting rods are fixed on the seat plate, a sliding groove is formed in the seat plate, the winding frame is arranged between the two supporting rods, the rope body structure is wound on the winding frame, and the two ends of the winding frame are respectively hinged with the upper ends of the supporting rods; the brake mechanism comprises a brake block, a brake rod, a gear, a rack, a steering pulley and a pull rope, and the brake block can automatically move to a position abutting against the winding frame or a position separated from the winding frame under the matching of the rope body structure of the winding frame, the brake rod, the steering pulley, the gear, the rack and the pull rope. The rope structure releasing component can realize automatic braking.
Description
Technical Field
The invention relates to the technical field of power grid maintenance equipment, in particular to a rope structure releasing assembly.
Background
The general rope structure is wound on the rope placing frame, the rope placing frame is a rotatable frame structure, and two ends of the rope placing frame are provided with supporting rods to be placed on the ground or a working platform. The existing rope placing frame has the following defects: after the rope is released from the rope releasing frame, the brake block can be placed manually for braking, or the rope releasing frame stops rotating due to the manual insertion of the plug pin, so that the braking operation is complicated.
Disclosure of Invention
The embodiment of the invention aims to: the rope body structure releasing assembly is simple in structure, smooth in releasing of the rope body structure, capable of achieving automatic braking and simple to operate.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
there is provided a rope structure release assembly comprising:
the base comprises a seat plate and two support rods arranged on the seat plate at intervals, the lower ends of the support rods are fixed on the seat plate, and a sliding groove is formed in the seat plate;
the winding frame is arranged between the two support rods, the rope body structure is wound on the winding frame, and two ends of the winding frame are respectively hinged with the upper ends of the support rods;
the braking mechanism comprises a braking block, a braking rod, a gear, a rack, a steering pulley and a pull rope, wherein the rack is arranged in the sliding groove in a sliding manner, the braking block is fixedly arranged on the rack, the gear is meshed with the rack to push the rack to move in the sliding groove, the gear is rotatably arranged on a first rotating seat through a rotating shaft, the gear and the rotating shaft synchronously rotate, the first rotating seat is fixed on the seat plate, a torsional spring is arranged on the rotating shaft, the torsional spring always drives the rotating shaft to rotate along a first direction, one end of the braking rod is connected with the seat plate through a second rotating seat, the upper part of the other end of the braking rod is connected with the steering pulley through a third rotating seat, and the end part of the rope structure led out from the winding frame obliquely downwards bypasses the steering pulley and obliquely backwards and upwards leads out, one end of the pull rope is connected with one end, provided with the steering pulley, of the brake lever, the other end of the pull rope is fixed on the rotating shaft, the pull rope is partially wound on the rotating shaft, when the rope body structure is pulled and pulled by external force to release, the steering pulley moves upwards under the action of the rope body structure, the pull rope overcomes the elastic force of the torsion spring to pull the rotating shaft to rotate along a second direction, the second direction is opposite to the first direction, when the rotating shaft rotates along the first direction, the gear drives the rack to move to the position where the brake block abuts against the winding frame, and when the rotating shaft rotates along the second direction, the gear drives the rack to move to the position where the brake block is separated from the winding frame.
As a preferable scheme of the rope structure releasing assembly, two parallel and spaced sliding grooves are arranged on the seat plate, the rack and the brake block are arranged in each sliding groove, two gears are arranged on the rotating shaft at intervals, the winding position of the pulling rope is located in the middle of the rotating shaft and between the two gears, the brake lever is one, and the brake lever is located above the middle of the rotating shaft.
As a preferable scheme of the rope structure releasing assembly, the brake block is fixed on the rack through a buckling mechanism; or the like, or, alternatively,
the brake block is fixed on the rack through a screw; or the like, or, alternatively,
the brake block is adhered to the rack through adhesive.
As a preferred scheme of rope structure release assembly, the cross-section of spout is the T type, the notch width of spout is less than the tank bottom width of spout, the rack includes the body and the protrusion sets up tooth structure on the body, the width of tooth structure is less than the width of body, the body sets up in the spout, the tooth structure expose in the notch of spout.
As a preferable scheme of the rope structure releasing assembly, a plurality of balls are arranged between one side surface of the body far away from the tooth structure and the bottom of the sliding groove, the balls are distributed at intervals along the moving direction of the rack, an arc-shaped limiting groove is concavely arranged on the bottom of the sliding groove and/or one side surface of the body far away from the tooth structure, one part of the balls is positioned in the limiting groove, and the other part of the balls protrudes out of the limiting groove.
As a preferable scheme of the rope structure releasing assembly, the winding frame comprises a winding main body, two ends of the winding main body are respectively provided with a limiting ring, the outer diameter of each limiting ring is larger than that of the winding main body, the limiting rings are connected with the winding main body through connecting pieces, and each limiting ring is abutted against the brake block.
As a preferable scheme of the rope body structure releasing assembly, a vertical rod is fixedly arranged on the seat plate and is connected with a ground pile through a steel wire rope and a steel wire buckle, the ground pile is fixed on the ground, and the position of the ground pile, which is connected with the ground, is located on one side face, far away from the winding frame, of the vertical rod.
As a preferred solution for the rope arrangement release assembly the centre axis of the reel is located above the centre axis of the diverting pulley, the perpendicular distance between the centre axis of the reel and the centre axis of the diverting pulley is L1, and the perpendicular distance between the centre axis of the diverting pulley and the seat plate when the reel is in the braking position is L2, where L1 is greater than L2.
As a preferred solution for the rope arrangement release assembly the angle at which the rope arrangement is led into the diverting pulley is a first angle and the angle at which the rope arrangement is led out from the diverting pulley is a second angle, the first angle being larger than the second angle.
As a preferable scheme of the rope structure releasing assembly, the lower surface of the seat plate is provided with a wheel, and the wheel is provided with a brake for selectively locking the wheel.
The invention has the beneficial effects that: by arranging the brake rod and the diverting pulley at one end of the brake rod, the rope body structure can be moved upwards under the action of external tension, thereby pulling the pull rope to move and enabling the gear to rotate, the gear is meshed with the rack, the rotating gear drives the rack to drive the brake block to move to a position separated from the winding frame, the brake block does not need to be manually taken out in the whole process, the brake is very convenient to release, the winding frame is convenient to smoothly pay off, when the external force applied on the rope body structure is removed, namely the wire winding frame does not need to pay off any more, the self gravity of the steering pulley enables the brake rod to swing back to the initial position, the rotating shaft rotates in the opposite direction under the driving of the torsion spring, so that the gear drives the rack to move to the position where the brake block abuts against the winding frame, at the moment, the pull rope is wound on the rotating shaft due to the rotation of the rotating shaft, the brake block does not need to be plugged manually in the whole process, and the braking operation is very convenient.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic structural view of a rope structure releasing assembly according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a brake mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic view illustrating a state of the spool according to the embodiment of the present invention when braking.
Fig. 4 is a schematic view illustrating a state where the spool according to the embodiment of the present invention is not braked.
In the figure:
1. a base; 101. a seat plate; 102. a support bar; 103. a chute; 104. a vertical rod; 105. a wire rope; 106. steel wire buckles; 107. piling; 2. a bobbin; 201. a winding main body; 202. a limiting ring; 203. a connecting member; 3. a rope structure; 4. a brake pad; 5. a brake lever; 6. a gear; 7. a rack; 701. a body; 702. a tooth structure; 703. a limiting groove; 8. a diverting pulley; 9. pulling a rope; 10. a rotating shaft; 11. a first rotating base; 12. a second rotating base; 13. a third rotating base; 14. a ball bearing; 15. and (4) the ground.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 4, the rope structure releasing assembly of the embodiment of the present invention comprises a base 1, a reel 2 and a braking mechanism, wherein the base 1 comprises a seat plate 101 and two support rods 102 spaced apart from each other on the seat plate 101, the lower ends of the support rods 102 are fixed on the seat plate 101, a sliding slot 103 is formed on the seat plate 101, the reel 2 is disposed between the two support rods 102, the rope structure 3 is wound on the reel 2, the two ends of the reel 2 are respectively hinged to the upper ends of the support rods 102, the braking mechanism comprises a brake block 4, a brake rod 5, a gear 6, a rack 7, a diverting pulley 8 and a pulling rope 9, the rack 7 is slidably disposed in the sliding slot 103, the brake block 4 is fixedly disposed on the rack 7, the gear 6 is engaged with the rack 7 to push the rack 7 to move in the sliding slot 103, the gear 6 is rotatably arranged on a first rotating seat 11 through a rotating shaft 10, the gear 6 and the rotating shaft 10 rotate synchronously, the first rotating seat 11 is fixed on the seat plate 101, a torsion spring (not shown in the figure) is arranged on the rotating shaft 10, the torsion spring always drives the rotating shaft 10 to rotate along a first direction, one end of the brake rod 5 is connected with the seat plate 101 through a second rotating seat 12, the upper part of the other end is connected with the steering pulley 8 through a third rotating seat 13, the end part of the rope structure 3 led out from the winding frame 2 obliquely and downwards bypasses the steering pulley 8 and then is led out obliquely and upwards, one end of the pull rope 9 is connected with one end of the brake rod 5 provided with the steering pulley 8, the other end of the pull rope 9 is fixed on the rotating shaft 10, the pull rope 9 is partially wound on the rotating shaft 10, when the rope structure 3 is pulled by external force to release, the diverting pulley 8 moves upward under the action of the rope structure 3, the pulling rope 9 will overcome the elasticity of the torsion spring to pull the rotating shaft 10 to rotate along a second direction, the second direction is opposite to the first direction, when the rotating shaft 10 rotates along the first direction, the gear 6 drives the rack 7 to move to a position where the brake block 4 abuts against the bobbin 2, and when the rotating shaft 10 rotates along the second direction, the gear 6 drives the rack 7 to move to a position where the brake block 4 is separated from the bobbin 2. By arranging the brake rod 5 and arranging the turning pulley 8 at one end of the brake rod 5, the upward movement of the rope structure 3 under the external tension can be realized, the pull rope 9 is further pulled to move and the gear 6 is rotated, the gear 6 is meshed with the rack 7, the rotated gear 6 drives the rack 7 to drive the brake block 4 to move to a position separated from the bobbin 2, the brake block 4 does not need to be manually taken out in the whole process, the brake is very convenient to release, the bobbin 2 is convenient to smoothly pay off, when the external force exerted on the rope structure 3 is withdrawn, namely the bobbin 2 does not need to pay off again, the turning pulley 8 swings the brake rod 5 to the initial position by the self gravity, the rotating shaft 10 rotates in the opposite direction under the driving of the torsion spring, so that the gear 6 drives the rack 7 to move to the position where the brake block 4 is tightly abutted against the bobbin 2, at the moment, the pull rope 9 is wound on the rotating shaft 10 due to the rotation of the rotating shaft 10, the whole process does not need to manually plug the brake block 4, and the braking operation is very convenient.
Specifically, to describe the direction of fig. 1, when the bobbin 2 needs to pay off, the rope structure 3 is pulled to the upper left, that is, the direction of the external force is toward the upper left, the diverting pulley 8 is lifted upwards in the vertical direction, the pulling rope 9 is partially wound on the rotating shaft 10, therefore, when the pulling rope 9 moves upwards, the rotating shaft 10 rotates clockwise against the elastic force of the torsion spring, the gear 6 also rotates clockwise synchronously, the rack 7 moves toward the left side, as shown in fig. 3, the rack 7 pulls the brake block 4 to move and separate from the bobbin 2, and at this time, the bobbin 2 can normally rotate to realize the paying off.
After the external force on the rope body structure 3 is removed, the diverting pulley 8 falls under the action of self gravity, the external force disappears instantly when the pull rope 9 drives the rotating shaft 10 to rotate anticlockwise, the pull rope 9 is wound on the rotating shaft 10 partially under the action of the rotating shaft 10, the gear 6 also rotates anticlockwise, the rack 7 is pushed to move rightwards, so that the brake block 4 abuts against the winding frame 2, and the winding frame 2 is in a braking state at the moment.
In this embodiment, a locking seat may be further disposed on the seat plate 101, a cross bar is rotatably disposed at an upper end of the locking seat, the cross bar can rotate on a horizontal plane and can rotate to a position below the brake bar 5 to abut against the brake bar 5, so that the brake bar 5 and the turning pulley 8 are fixed at a set position, and at the set position, the rack 7 is just moved to the left to separate the brake block from the bobbin 2, so that the rope structure 3 can be wound on the bobbin 2 in advance, and a foundation is provided for the subsequent unwinding operation of the bobbin 2.
In one embodiment, two parallel and spaced sliding grooves 103 are disposed on the seat plate 101, the rack 7 and the brake block 4 are disposed in each sliding groove 103, two gears 6 are disposed on the rotating shaft 10 at a spacing, the winding position of the pull rope 9 is located in the middle of the rotating shaft 10 and between the two gears 6, the brake lever 5 is disposed as one, and the brake lever 5 is located above the middle of the rotating shaft 10. Set up two brake pads 4, can promote the stability of braking, and set up two gears 6 of the integrated configuration drive of a brake lever 5, a diverting pulley 8 and a stay cord 9 and rotate simultaneously, and then drive two brake pads 4 synchronous motion, simplified the structure to can guarantee that two brake pads 4 can be synchronous.
In this embodiment, the brake block 4 is fixed to the rack 7 by screws. In other embodiments, the brake block 4 can also be fixed on the rack 7 by a snap mechanism or adhesive.
In one embodiment, the cross section of the sliding slot 103 is T-shaped, the width of the groove opening of the sliding slot 103 is smaller than the width of the groove bottom of the sliding slot 103, the rack 7 includes a body 701 and a tooth structure 702 protruding from the body 701, the width of the tooth structure 702 is smaller than the width of the body 701, the body 701 is disposed in the sliding slot 103, and the tooth structure 702 is exposed out of the groove opening of the sliding slot 103. The sliding groove 103 with the T-shaped structure can limit the rack 7, prevent the rack 7 from being separated from the sliding groove 103 along the vertical direction, and ensure that the rack 7 moves according to a set track.
Specifically, a plurality of balls 14 are arranged between a side surface of the body 701 away from the tooth structure 702 and a groove bottom of the sliding groove 103, the plurality of balls 14 are arranged at intervals along the moving direction of the rack 7, an arc-shaped limiting groove 703 is concavely arranged on the groove bottom of the sliding groove 103 and/or a side surface of the body 701 away from the tooth structure 702, a part of the balls 14 is located in the limiting groove 703, and the other part of the balls protrudes out of the limiting groove 703. Through the arrangement of the balls 14, the rack 7 can be ensured to slide more smoothly in the sliding groove 103, and the arrangement of the limiting groove 703 can prevent the balls 14 from moving relative to the sliding groove 103.
In one embodiment, the bobbin 2 includes a winding body 201, two ends of the winding body 201 are each provided with a limiting ring 202, an outer diameter of the limiting ring 202 is larger than an outer diameter of the winding body 201, the limiting rings 202 are connected to the winding body 201 through a connecting member 203, and each limiting ring 202 abuts against the brake block 4.
In this embodiment, the limiting ring 202 is formed by hot bending and welding a steel pipe or round steel, and is of a circular structure, so that the overall weight of the bobbin 2 can be effectively reduced.
The upper surface of the brake block 4 is concavely provided with a groove matched with the limit ring 202, and a wear-resistant rubber layer is arranged in the groove. Or the entire brake pad 4 is made of rubber.
In one embodiment, a vertical rod 104 is fixedly arranged on the seat plate 101, the vertical rod 104 is connected with a ground pile 107 through a steel wire rope 105 and a steel wire buckle 106, the ground pile 107 is fixed on the ground 15, and the position where the ground pile 107 is connected with the ground 15 is located on one side surface of the vertical rod 104 away from the bobbin 2. This design can prevent effectively that rope body structure release assembly from empting in the use.
In order to increase the stability of the rope arrangement release assembly even further, the centre axis of the reel 2 is located above the centre axis of the diverting pulley 8, the vertical distance between the centre axis of the reel 2 and the centre axis of the diverting pulley 8 is L1, and the vertical distance between the centre axis of the diverting pulley 8 and the seat plate 101 when the reel 2 is in the braking position is L2, wherein L1 is greater than L2.
In order to enable the reel 2 to be smoothly lifted during paying-off, the angle at which the rope arrangement 3 is led into the diverting pulley 8 is a first angle, and the angle at which the rope arrangement 3 is led out from the diverting pulley 8 is a second angle, the first angle being larger than the second angle.
In addition, in order to facilitate the movement of the whole rope structure releasing assembly, the lower surface of the seat plate 101 is provided with wheels, and the wheels are provided with brakes for selectively locking the wheels.
In the description herein, it is to be understood that the terms "upper" and the like are based on the orientation or positional relationship shown in the drawings, which are for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
In the description herein, references to the term "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A rope structure release assembly, comprising:
the base comprises a seat plate and two support rods arranged on the seat plate at intervals, the lower ends of the support rods are fixed on the seat plate, and a sliding groove is formed in the seat plate;
the winding frame is arranged between the two support rods, the rope body structure is wound on the winding frame, and two ends of the winding frame are respectively hinged with the upper ends of the support rods;
the braking mechanism comprises a braking block, a braking rod, a gear, a rack, a steering pulley and a pull rope, wherein the rack is arranged in the sliding groove in a sliding manner, the braking block is fixedly arranged on the rack, the gear is meshed with the rack to push the rack to move in the sliding groove, the gear is rotatably arranged on a first rotating seat through a rotating shaft, the gear and the rotating shaft synchronously rotate, the first rotating seat is fixed on the seat plate, a torsional spring is arranged on the rotating shaft, the torsional spring always drives the rotating shaft to rotate along a first direction, one end of the braking rod is connected with the seat plate through a second rotating seat, the upper part of the other end of the braking rod is connected with the steering pulley through a third rotating seat, and the end part of the rope structure led out from the winding frame obliquely downwards bypasses the steering pulley and obliquely backwards and upwards leads out, one end of the pull rope is connected with one end, provided with the steering pulley, of the brake lever, the other end of the pull rope is fixed on the rotating shaft, the pull rope is partially wound on the rotating shaft, when the rope body structure is pulled and pulled by external force to release, the steering pulley moves upwards under the action of the rope body structure, the pull rope overcomes the elastic force of the torsion spring to pull the rotating shaft to rotate along a second direction, the second direction is opposite to the first direction, when the rotating shaft rotates along the first direction, the gear drives the rack to move to the position where the brake block abuts against the winding frame, and when the rotating shaft rotates along the second direction, the gear drives the rack to move to the position where the brake block is separated from the winding frame.
2. The rope structure releasing assembly as claimed in claim 1, wherein said seat plate is provided with two parallel and spaced sliding grooves, each sliding groove is provided with said rack and said brake block, said rotating shaft is provided with two spaced gears, the winding position of said pulling rope is located at the middle of said rotating shaft and between said two gears, said brake lever is provided as one, and said brake lever is located above the middle of said rotating shaft.
3. The rope structure release assembly of claim 1, wherein the brake block is secured to the rack by a snap mechanism; or the like, or, alternatively,
the brake block is fixed on the rack through a screw; or the like, or, alternatively,
the brake block is adhered to the rack through adhesive.
4. The rope structure release assembly of claim 1, wherein the chute is T-shaped in cross-section, the slot width of the chute is less than the slot bottom width of the chute, the rack comprises a body and a tooth structure protruding from the body, the tooth structure has a width less than the width of the body, the body is disposed in the chute, and the tooth structure is exposed from the slot bottom of the chute.
5. The rope structure releasing assembly of claim 4, wherein a plurality of balls are disposed between a side of the body away from the tooth structure and a bottom of the sliding groove, the plurality of balls are spaced along a moving direction of the rack, an arc-shaped limiting groove is concavely disposed on the bottom of the sliding groove and/or a side of the body away from the tooth structure, a portion of the balls is disposed in the limiting groove, and another portion of the balls protrudes out of the limiting groove.
6. The rope structure release assembly of claim 2, wherein the spool includes a winding body, and both ends of the winding body are provided with limiting rings, the limiting rings have an outer diameter larger than that of the winding body, the limiting rings are connected to the winding body through connecting members, and each limiting ring abuts against the brake block.
7. The rope structure releasing assembly according to claim 1, wherein a vertical rod is fixedly arranged on the seat plate, the vertical rod is connected with a ground pile through a steel wire rope and a steel wire buckle, the ground pile is fixed on the ground, and the position of the ground pile connected with the ground is located on one side surface of the vertical rod away from the winding frame.
8. The rope arrangement release assembly according to any one of claims 1 to 7, characterized in that the centre axis of the reel is located above the centre axis of the diverting pulley, the perpendicular distance between the centre axis of the reel and the centre axis of the diverting pulley is L1, and the perpendicular distance between the centre axis of the diverting pulley and the seat plate when the reel is in the braking position is L2, wherein L1 is greater than L2.
9. The rope arrangement release assembly according to any one of claims 1 to 7, characterized in that the angle at which the rope arrangement is led into the diverting pulley is a first angle and the angle at which the rope arrangement is led out from the diverting pulley is a second angle, the first angle being larger than the second angle.
10. The rope structure release assembly of any one of claims 1 to 7, wherein the bottom surface of the seat plate is provided with wheels, and the wheels are provided with brakes for selectively locking the wheels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010231329.4A CN111392506B (en) | 2020-03-27 | 2020-03-27 | Rope structure releasing assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231329.4A CN111392506B (en) | 2020-03-27 | 2020-03-27 | Rope structure releasing assembly |
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| CN111392506A CN111392506A (en) | 2020-07-10 |
| CN111392506B true CN111392506B (en) | 2021-12-03 |
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| CN202010231329.4A Active CN111392506B (en) | 2020-03-27 | 2020-03-27 | Rope structure releasing assembly |
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