A mechanically adjustable damping controllable release device

CN117550440BActive Publication Date: 2026-08-14BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-28
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

有源阻尼主要依靠步进电机和驱动电路实现阻尼释放功能,通过步进电机匀速转动输出稳定速度,该方式可以实现释放速度的精确控制,且速度一致性好,但是电机需要供电,整机重量大,电子元器件存储温度范围较窄

Benefits of technology

[0021](1)本发明提供的一种机械式可调阻尼可控释放装置,通过机械式阻尼器实现阻尼释放功能,利用线绳双轴缠绕结构,实现阻尼释放和无阻尼释放切换,通过控制双轴直径和长度可以达到可控切换功能,可以广泛实现各种平台与有效载荷之间的锁定、缓慢限速释放以及解除约束功能;

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Abstract

A mechanically adjustable damping and controllable release device includes a damping component, a winding wheel component, a support component, and a locking component. The release device includes a connected state and a released state. It achieves the damping release function through a mechanical damper and realizes the switching between damped release and undamped release by utilizing a double-axis winding structure of the rope. The controllable switching function can be achieved by controlling the diameter and length of the double axis. It can widely realize the locking, slow speed-limited release, and constraint release functions between various platforms and payloads.
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Description

Technical Field

[0001] This invention relates to a mechanically adjustable damping and controllable release device, belonging to the field of mechanical design. Background Technology

[0002] Currently, commonly used damping release schemes mainly include active damping and passive damping. Active damping primarily relies on stepper motors and drive circuits to achieve the damping release function. The stepper motor rotates at a constant speed to output a stable speed. This method allows for precise control of the release speed and good speed consistency. However, the motor requires power, the overall weight is large, and the storage temperature range of electronic components is narrow. Passive components mainly rely on mechanical components to achieve damping release of the released object. These mainly include friction damping and wheel system damping. Wheel system damping mainly achieves damping through the rotation of the clutch and escape wheel, resulting in a complex structure and relatively low reliability. Friction damping mainly achieves damping through the friction angle and sliding friction of the mating shell, resulting in a simpler structure and lighter weight. Passive damping requires no power supply or commands, making the system relatively simple. Furthermore, the mechanical structure has good temperature adaptability, making it suitable for on-orbit use in spacecraft. For spacecraft applications, after damping release, the released object should not continue to be subjected to damping force to avoid the damping force affecting the adhesion of the released object. Therefore, a damping unloading function is required, i.e., the transition from a damped state to an undamped state. Therefore, mechanical damping alone cannot achieve this function. Structural design is needed to switch from damped release to undamped release, thus enabling controllable release. Summary of the Invention

[0003] The technical problem solved by this invention is that, in the current technology, there is a lack of structural design means to realize the conversion from damped release to undamped release, and a mechanically adjustable damped controllable release device is proposed.

[0004] The present invention solves the above-mentioned technical problem through the following technical solution:

[0005] A mechanically adjustable damping and controllable release device includes a damping assembly, a winding wheel assembly, a support assembly, and a locking assembly. The release device includes a connected state and a released state, wherein:

[0006] The damping assembly and the winding wheel assembly are fixed at different positions on the bracket assembly. The damping assembly is fixed to the winding wheel of the bracket assembly through a large gear to realize rotational transmission. The locking assembly is installed and fixed on the mounting plate and is installed on the winding wheel through a snap pin to lock the winding wheel. The winding wheel assembly is fixed on the winding wheel of the bracket assembly.

[0007] The damping assembly includes a mechanical damper, a large gear, a small gear, a stop nut, and a stop pin. The small gear is fixed to the mechanical damper by the stop nut and the stop pin, and the contact surface between the small gear and the damper is set as an anti-rotation mating surface. The mechanical damper is fixed to the support assembly by screws, and the large gear is fixed to the rotating shaft of the support assembly and tightened to the winding wheel by screws. The large gear and the small gear achieve the function of transmitting rotational torque through tooth meshing.

[0008] The winding wheel assembly includes a winding wheel, a rocker arm, ropes, a bundle opening, rope caps, a pin, a first set screw, and a second set screw. The winding wheel has a rectangular groove in the radial direction. The rocker arm is fixed in the rectangular groove of the winding wheel by the pin. The first set screw is installed in the shaft hole of the winding wheel. The long rope is knotted at the through hole at the root of the rocker arm and wound around the rocker arm. The rope transitions from the rocker arm to the winding wheel. After winding around the winding wheel, the rope end passes through the connecting cap to complete the knot. One end of all the short ropes passes through the round holes of the bundle opening and is knotted. The other end passes through each connecting cap and is knotted. The rope caps of the long ropes are tightened to the bundle opening by threads. The second set screw is screwed into the side of the bundle opening. The winding wheel assembly is fixed to the bracket assembly by the shaft. The rope caps of each short rope are connected to the object to be released by threads.

[0009] The bracket assembly includes a bracket, a rotating shaft, bearings, bearing caps, a mounting plate, and locking screws. The bracket and the mounting plate are fixed together by screws. After the rotating shaft passes through the center hole of the winding wheel, bearings and bearing caps are installed at both ends and fixed to the bracket by locking screws.

[0010] The locking assembly includes a locking pin, a spring pin, a spring, and an adapter. The locking pin is fixed to the winding reel by threads. The spring is sleeved on the spring pin and passes through the adapter to lock the locking pin. The adapter is fixed to the mounting plate by screws. The bottom of the spring pin abuts against the object to be released so that the spring pin is in an extended state to lock the locking pin.

[0011] When the release device is in the connected state, a knot is set at the through hole at the base of the swing arm. After the knot is laid flat on the swing arm and wound counterclockwise, the rope transitions from the swing arm to the winding wheel. After the winding wheel is laid flat and wound counterclockwise, the rope end passes through the connecting cap and is knotted. One end of all the short ropes passes through the round holes of the bundle opening and is knotted, and the other end passes through each connecting cap and is knotted. The rope cap on the winding wheel is connected to the bundle opening, and each rope cap is connected to the object to be released. The object to be released presses against the spring pin of the locking component. The spring pin locks the locking pin on the winding wheel to constrain the rotation of the winding wheel. The locking state of the winding wheel is adjusted by controlling the tightening force of the rope cap and the bundle opening.

[0012] When the release device is in the release state, during the fall of the released object, the spring pin disengages from the locking pin under the action of the compression spring, releasing the constraint of the winding wheel; the winding wheel descends at a limited speed under the combined action of the active torque of the released object and the resistance torque of the damping component until the rope on the winding wheel is completely released; after the rope on the winding wheel is completely released, the pendulum loses the constraint of the circumferential rope, the pendulum opens under the action of gravity, the rope on the pendulum completely falls off, the release device changes from the damped release state to the undamped release state, and the released object falls in free fall until the rope on the pendulum is completely taut, completing the release function;

[0013] During the release process, there is a retaining screw on the spring pin, and the spring pin cannot fall off freely after the release pin is engaged.

[0014] The contact surface between the swing arm and the winding wheel is set as a preset angled surface to prevent the rope on the winding wheel from getting too tight and causing the swing arm and the winding wheel to jam.

[0015] The spring pin and the adapter's moving mating surface have a milled flat design to ensure the contact relationship between the spring pin and the locking pin. A stop pin is provided on the spring pin to ensure the spring pin's retraction distance and to ensure that the spring pin will not fall off when the locking pin is released.

[0016] The locking pin and spring pin fix the winding wheel, and the preload is applied by tightening the rope cap and the bundle opening to control the tension of the winding wheel.

[0017] The length and diameter of the swing arm and the winding wheel are quantitatively designed according to actual needs to control the release distance of the damped and undamped sections, and to control the release speed of the damped release section.

[0018] The release device involves winding a line on the swing arm in a counterclockwise direction from the base to the tail, with the line laid flat. The line then transitions from the swing arm to the winding wheel, where it is wound in a counterclockwise direction from the tail to the base of the swing arm. After winding, the line is connected to the object to be released. Once the winding wheel and line are released, the swing arm opens, and the line on the swing arm is released quickly to ensure the sequential and stable release of the line during the release process.

[0019] The number of the ropes is three, and there are three round holes on the bundle opening.

[0020] The advantages of this invention compared to the prior art are:

[0021] (1) The present invention provides a mechanical adjustable damping controllable release device, which realizes the damping release function through a mechanical damper, and realizes the switching between damped release and undamped release by using a double-axis winding structure of a rope. The controllable switching function can be achieved by controlling the diameter and length of the double axis. It can widely realize the locking, slow speed-limited release and constraint release functions between various platforms and payloads.

[0022] (2) This invention uses a mechanical damper to achieve the damping release function, which does not require external energy, is compact in size, has a wide range of applications, and can be matched with gear pairs with different gear ratios to ensure that the released object descends at a uniform speed, thus realizing the speed-limited release function; at the same time, through the dual-axis winding structure, the free conversion between damped release and undamped release is realized, and through the size design of the swing arm and winding wheel, the controllable switching between damped and undamped functions can be realized;

[0023] (3) This invention uses a locking pin and a spring pin to fix the winding wheel, and applies a pre-tightening force by tightening the rope cap and the bundle opening, thereby realizing quantitative control of the winding wheel tension force and ensuring that the winding wheel can withstand various mechanical environmental conditions. The rope is wound on the swing rod in a flat state from the root to the tail in a counterclockwise direction. After winding for a preset number of turns, the rope transitions from the swing rod to the winding wheel. On the winding wheel, the rope is wound on the winding wheel in a flat state from the tail to the root in a counterclockwise direction. After winding for a preset number of turns, it connects with the object to be released. This winding method can ensure that the swing rod is constrained to a closed state during the release of the rope from the winding wheel. After the rope from the winding wheel is released, the swing rod opens, and the rope on the swing rod is released quickly, thereby effectively ensuring the sequential and stable release of the rope during the release process. Attached Figure Description

[0024] Figure 1 A schematic diagram of a mechanically damped-undamped controllable release device provided for the invention.

[0025] Figure 2 A schematic diagram of the pendulum winding provided for the invention;

[0026] Figure 3 A schematic diagram of the winding wheel provided for the invention;

[0027] Figure 4 A schematic diagram of the pre-tightened state provided for the invention;

[0028] Figure 5 A schematic diagram of damping release provided for the invention;

[0029] Figure 6 A schematic diagram of undamped release provided for the invention; Detailed Implementation

[0030] A mechanically adjustable damping and controllable release device includes a damping component, a winding wheel component, a support component, and a locking component. The release device includes a connected state and a released state. It achieves the damping release function through a mechanical damper and realizes the switching between damped release and undamped release by utilizing a double-axis winding structure of the rope. The controllable switching function can be achieved by controlling the diameter and length of the double axis. It can widely realize the locking, slow speed-limited release, and constraint release functions between various platforms and payloads.

[0031] The specific structure is as follows:

[0032] The damping assembly and the winding wheel assembly are fixed at different positions on the bracket assembly. The damping assembly is fixed to the winding wheel of the bracket assembly through a large gear to realize rotational transmission. The locking assembly is installed and fixed on the mounting plate and is installed on the winding wheel through a snap pin to lock the winding wheel. The winding wheel assembly is fixed on the winding wheel of the bracket assembly.

[0033] The damping assembly includes a mechanical damper, a large gear, a small gear, a stop nut, and a stop pin. The small gear is fixed to the mechanical damper by the stop nut and the stop pin, and the contact surface between the small gear and the damper is set as an anti-rotation mating surface. The mechanical damper is fixed to the support assembly by screws, and the large gear is fixed to the rotating shaft of the support assembly and tightened to the winding wheel by screws. The large gear and the small gear achieve the function of transmitting rotational torque through tooth meshing.

[0034] The winding wheel assembly includes a winding wheel, a rocker arm, ropes, a bundle opening, rope caps, a pin, and two set screws. The winding wheel has a rectangular groove in the radial direction. The rocker arm is fixed in the rectangular groove of the winding wheel by the pin. Set screw one is installed in the shaft hole of the winding wheel. The long rope is knotted at the through hole at the root of the rocker arm and wound around the rocker arm. The rope transitions from the rocker arm to the winding wheel. After winding around the winding wheel, the rope end passes through the connecting cap to complete the knot. One end of all the short ropes passes through the round holes of the bundle opening and is knotted. The other end passes through each connecting cap and is knotted. The rope caps of the long ropes are tightened to the bundle opening by threads. Set screw two is screwed into the side of the bundle opening. The winding wheel assembly is fixed to the bracket assembly by the shaft. The rope caps of each short rope are connected to the object to be released by threads.

[0035] The bracket assembly includes a bracket, a rotating shaft, bearings, bearing caps, a mounting plate, and locking screws. The bracket and the mounting plate are fixed together with screws. After the rotating shaft passes through the center hole of the winding wheel, bearings and bearing caps are installed at both ends and fixed to the bracket with locking screws.

[0036] The locking assembly includes a locking pin, a spring pin, a spring, and an adapter. The locking pin is threaded onto the winding reel, the spring is fitted onto the spring pin, passes through the adapter, and locks the locking pin. The adapter is fixed to the mounting plate with screws. The bottom of the spring pin abuts against the object being released, so that the spring pin is in an extended state and locks the locking pin.

[0037] When the release device is in the connected state, a knot is set at the through hole at the base of the swing arm. After the knot is laid flat on the swing arm and wound counterclockwise, the rope transitions from the swing arm to the winding wheel. After the winding wheel is laid flat and wound counterclockwise, the rope end passes through the connecting cap and is knotted. One end of all the short ropes passes through the round holes of the bundle opening and is knotted, and the other end passes through each connecting cap and is knotted. The rope cap on the winding wheel is connected to the bundle opening, and each rope cap is connected to the object to be released. The object to be released presses against the spring pin of the locking component. The spring pin locks the locking pin on the winding wheel to constrain the rotation of the winding wheel. The locking state of the winding wheel is adjusted by controlling the tightening force of the rope cap and the bundle opening.

[0038] When the release device is in the release state, during the fall of the released object, the spring pin disengages from the locking pin under the action of the compression spring, releasing the constraint of the winding wheel; the winding wheel descends at a limited speed under the combined action of the active torque of the released object and the resistance torque of the damping component until the rope on the winding wheel is completely released; after the rope on the winding wheel is completely released, the pendulum loses the constraint of the circumferential rope, the pendulum opens under the action of gravity, the rope on the pendulum completely falls off, the release device changes from the damped release state to the undamped release state, and the released object falls in free fall until the rope on the pendulum is completely taut, completing the release function;

[0039] During the release process, there is a retaining screw on the spring pin, and the spring pin cannot fall off freely after the release pin is engaged;

[0040] The contact surface between the swing arm and the winding wheel is set as a preset angled bevel to prevent the rope on the winding wheel from getting too tight and causing the swing arm and winding wheel to jam.

[0041] The spring pin and the adapter's moving mating surface have a milled flat design to ensure the contact relationship between the spring pin and the locking pin. A stop pin is provided on the spring pin to ensure the spring pin retraction distance and to ensure that the spring pin will not fall off when the locking pin is released.

[0042] The winding wheel is fixed by a locking pin and a spring pin. The tension of the winding wheel is controlled by applying a preload by tightening the rope cap and the bundle opening.

[0043] The length and diameter of the swing arm and winding wheel are quantitatively designed according to actual needs to control the release distance of the damped and undamped sections, and to control the release speed of the damped release section.

[0044] The release device winds the line counterclockwise from the base to the tail of the swing rod in a flat state. The line then transitions from the swing rod to the winding wheel, where it winds the line counterclockwise from the tail to the base of the swing rod in a flat state. After winding, the line is connected to the object to be released. Once the winding wheel and the line are released, the swing rod opens, and the line on the swing rod is released quickly to ensure the sequential and stable release of the line during the release process.

[0045] There are three strands of cord, and three round holes are provided at the bundle opening.

[0046] The following description, in conjunction with the accompanying drawings and preferred embodiments, provides further details:

[0047] In the current embodiment, such as Figure 1 As shown. The damping assembly mainly utilizes the output resistance torque of the mechanical damper 1 to achieve speed-limited release of the released object; the winding wheel assembly mainly achieves controllable switching between damped and undamped release through a dual-axis winding structure and a specific winding sequence; the bracket assembly is mainly used to install and fix the damping assembly, winding wheel assembly, and locking assembly; the locking assembly mainly achieves the initial locking and release function of the winding wheel 6 through the movement relationship of the spring pin 21, the locking pin 20, and the spring 22. The mechanical damping-undamped controllable release device achieves the damping release function through the mechanical damper 1, and uses the dual-axis winding structure of the rope 8, combined with the winding sequence, to achieve switching between damped and undamped release. By controlling the diameter and length of the dual axes, the controllable switching function can be achieved, which can widely realize the locking, slow speed-limited release, and constraint release functions between various platforms and the payload.

[0048] The mechanically damped-undamped controllable release device mainly includes a damping assembly, a winding wheel assembly, a support assembly, and a locking assembly;

[0049] The damping assembly and the winding wheel assembly are respectively fixed on the bracket 14 and the winding wheel 6 of the bracket assembly. The large gear 3 of the damping assembly is fixed to the winding wheel 6, thereby realizing the rotation transmission. The locking pin 20 in the locking assembly is installed on the winding wheel 6. Other parts of the locking assembly are fixed on the mounting plate 19. The locking assembly locks the winding wheel 6 through the locking pin 20.

[0050] Connection status: Tie a knot at the through hole at the base of the swing arm 7, and then wrap the rope counterclockwise around the swing arm 7 in a flat position for 10 turns. Figure 2 As shown, the rope 8 transitions from the swing arm 7 to the winding wheel 6. After the rope is wound counterclockwise 10 times in a flat position on the winding wheel 6, the rope end is passed through the connecting cap and knotted, as shown. Figure 3 As shown; pass one end of three other ropes 8 of the same length through the three Φ2 round holes of the bundling opening 9 and tie them together; pass the other ends of the three ropes 8 through the three connecting caps and tie them together; finally, connect the rope caps 10 on the winding wheel 6 to the bundling opening 9, and connect the other three rope caps 10 to the object to be released; the object to be released presses against the spring pin 21 of the locking assembly, and the spring pin 21 locks the locking pin 20 on the winding wheel 6, thereby constraining the rotation of the winding wheel 6; the locking state of the winding wheel 6 is adjusted by controlling the tightening force of the rope caps 10 and the bundling opening 9, as follows. Figure 4 As shown.

[0051] Release state: When the released object falls, the spring pin 21 disengages from the locking pin 20 under the action of the compression spring 22, releasing the constraint of the winding wheel 6. The winding wheel 6 descends at a limited speed under the combined action of the active torque of the released object and the resistance torque of the damping component until the rope 8 on the winding wheel 6 is completely released. Figure 5 As shown. After the rope 8 on the winding reel 6 is completely released, the pendulum 7 loses the constraint of the circumferential rope 8. Under the action of gravity, the pendulum 7 opens up, and the rope 8 on the pendulum 7 completely falls off. The release device changes from a damped release state to an undamped release state, and the released object falls in free fall until the rope 8 on the pendulum 7 is completely taut, completing the release function. Figure 6 As shown. Throughout the release process, the spring pin 21 has a stop screw to ensure that the spring pin 21 cannot fall off freely after releasing the locking pin 20, and to ensure that no extraneous material is generated during the entire release process.

[0052] The damping assembly includes a mechanical damper 1, a large gear 3, a small gear 2, a stop nut 4, and a stop pin 5. The small gear 2 is fixed to the mechanical damper 1 via the stop nut 4 and the stop pin 5, and the small gear 2 and damper 1 have an anti-rotation mating surface. The mechanical damper 1 is fixed to the support assembly via screws. The large gear 3 is fixed to the rotating shaft 15 of the support assembly and tightened to the winding wheel 6 with screws. The large gear 3 and small gear 2 achieve torque transmission through tooth meshing. The winding wheel assembly includes: a winding wheel 6, a rocker arm 7, a rope 8, a bundle opening 9, a rope cap 10, a pin 11, a first set screw 12, and a second set screw 13. The winding wheel 6 has a radially formed rectangular groove. The rocker arm 7 is fixed within the rectangular groove of the winding wheel 6 via the pin 11. The first set screw 12 is installed within the hole of the rotating shaft 15 of the winding wheel 6 to prevent the rotating shaft 15 from dislodging. The long rope 8 is knotted at the through hole at the base of the swing rod 7, and after being wound 10 times around the swing rod 7, the rope 8 transitions from the swing rod 7 to the winding wheel 6, where it is wound 10 times. The rope end is then passed through the connecting cap and knotted. Three other short ropes of the same length are passed through the three Φ2 round holes of the bundling opening 9 and knotted. The other ends of the three ropes 8 are passed through the three connecting caps and knotted. The rope cap 10 of the long rope 8 is screwed into the bundling opening 9 via threads, and a set screw 13 is screwed into the side of the bundling opening 9 to prevent loosening. The winding wheel assembly is fixed to the support assembly via the rotating shaft 15. The rope caps 10 of the three short ropes 8 are connected to the object to be released via threads. The support assembly includes: a support 14, a rotating shaft 15, a bearing 16, a bearing cover 17, a mounting plate 19, and a locking screw 18. The bracket 14 is fixed to the mounting plate 19 with screws. After the rotating shaft 15 passes through the center hole of the winding wheel 6, bearings 16 and bearing covers 17 are installed at both ends and fixed to the bracket 14 with locking screws 18. The locking assembly includes: a locking pin 20, a spring pin 21, a spring 22, and an adapter 23. The locking pin 20 is fixed to the winding wheel 6 by threads. The spring 22 is sleeved on the spring pin 21 and passes through the adapter 23 to lock the locking pin 20. The adapter 23 is fixed to the mounting plate 19 with screws. The bottom of the spring pin 21 abuts against the object to be released, thereby ensuring that the spring pin 21 is in the extended state to lock the locking pin 20.

[0053] The mechanically damped-undamped controllable release device is fixed to the structure such as the cabin plate by four M4 screws and connected to the object to be released by three M8 rope caps 10.

[0054] The damping component of the mechanically damped-undamped controllable release device is capable of releasing a 1.33kg object at a speed limited to ≤0.2m / s with a traction torque of 0.21Nm and a rotational speed of (11.3~11.5)rad / s. The winding wheel assembly consists of a 30mm diameter winding wheel 6 and an 8mm diameter swing rod 7. With 810 turns of rope wound on both the winding wheel 6 and the swing rod 7, it can achieve damped release over a distance of approximately 1m and undamped release over a distance of 0.25m.

[0055] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make possible changes and modifications to the technical solutions of the present invention by utilizing the methods and techniques disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solutions of the present invention shall fall within the protection scope of the technical solutions of the present invention.

[0056] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. A mechanically adjustable damping and controllable release device, characterized in that: It includes a damping assembly, a winding wheel assembly, a support assembly, and a locking assembly. The release device includes a connected state and a released state, wherein: The damping assembly and the winding wheel assembly are fixed at different positions on the bracket assembly. The damping assembly is fixed to the winding wheel on the bracket assembly through a large gear to realize rotational transmission. The locking assembly is installed and fixed on the mounting plate and locks the winding wheel through the cooperation of spring pins and locking pins. The winding wheel assembly is fixed on the bracket assembly. The damping assembly includes a mechanical damper (1), a large gear (3), a small gear (2), a stop nut (4), and a stop pin (5). The small gear (2) is fixed to the mechanical damper (1) by the stop nut (4) and the stop pin (5). The contact surface between the small gear (2) and the mechanical damper (1) is set as an anti-rotation mating surface. The mechanical damper (1) is connected to the support assembly by screws. The large gear (3) is fixed to the rotating shaft (15) of the support assembly and is tightened with the winding wheel (6) by screws. The large gear (3) and the small gear (2) achieve the function of transmitting rotational torque through tooth meshing. The winding wheel assembly includes a winding wheel (6), a rocker arm (7), a rope (8), a bundle opening (9), a rope cap (10), a pin (11), a first set screw (12), and a second set screw (13). The winding wheel (6) has a rectangular groove in the radial direction. The rocker arm (7) is fixed in the rectangular groove of the winding wheel (6) by the pin (11). The first set screw (12) is installed in the hole of the shaft (15) of the winding wheel (6). The rope (8) includes a long rope and a short rope. The long rope is knotted at the through hole at the root of the rocker arm (7) and then tied to the rocker arm (7). The rope (8) is wound up and then transitioned from the swing arm (7) to the winding wheel (6). After the rope is wound around the winding wheel (6), the rope end passes through the rope cap (10) to complete the knot. One end of all the short ropes passes through the round holes of the bundle opening (9) and is knotted, and the other end passes through the rope cap (10) and is knotted. The rope cap (10) of the long rope is tightened to the bundle opening (9) by threads. The second set screw (13) is screwed into the side of the bundle opening (9). The winding wheel assembly is fixed to the bracket assembly by the rotating shaft (15). The rope cap (10) of each short rope is connected to the object to be released by threads. The bracket assembly includes a bracket (14), a rotating shaft (15), a bearing (16), a bearing cover (17), a mounting plate (19), and a locking screw (18). The bracket (14) and the mounting plate (19) are fixed together by screws. After the rotating shaft (15) passes through the center hole of the winding wheel (6), the bearings (16) and bearing covers (17) are installed at both ends and fixed to the bracket (14) by locking screws (18).

2. The mechanically adjustable damping and controllable release device according to claim 1, characterized in that: The locking assembly includes a locking pin (20), a spring pin (21), a spring (22), and an adapter (23). The locking pin (20) is fixed to the winding wheel (6) by threads. The spring (22) is fitted onto the spring pin (21). The adapter (23) is fixed to the mounting plate (19) by screws. The bottom of the spring pin (21) abuts against the object to be released so that the spring pin (21) is in an extended state and locks the locking pin (20).

3. The mechanically adjustable damping and controllable release device according to claim 2, characterized in that: When the release device is in the connected state, a knot is set at the through hole at the root of the swing rod (7). After the knot is laid flat on the swing rod (7) and wound counterclockwise, the rope (8) transitions from the swing rod (7) to the winding wheel (6). After the winding wheel (6) is laid flat and wound counterclockwise, the rope end passes through the rope cap (10) and is knotted. One end of all the short ropes passes through the round holes of the bundle opening (9) and is knotted, and the other end passes through the rope cap (10) and is knotted. The rope cap (10) on the winding wheel (6) is connected to the bundle opening (9), and the rope cap (10) of the short rope is connected to the object to be released. The object to be released presses against the spring pin (21) of the locking component. The spring pin (21) locks the locking pin (20) on the winding wheel (6) to constrain the rotation of the winding wheel (6). The locking state of the winding wheel (6) is adjusted by controlling the tightening force of the rope cap (10) and the bundle opening (9).

4. The mechanically adjustable damping and controllable release device according to claim 3, characterized in that: When the release device is in the release state, during the fall of the released object, the spring pin (21) disengages from the locking pin (20) under the action of the spring (22), releasing the constraint of the winding wheel (6); the winding wheel (6) descends at a limited speed under the combined action of the active torque of the released object and the resistance torque of the damping component until the rope (8) on the winding wheel (6) is completely released; after the rope (8) on the winding wheel (6) is completely released, the swing arm (7) loses the constraint of the circumferential rope (8), the swing arm (7) opens under the action of gravity, the rope (8) on the swing arm (7) is completely detached, the release device changes from the damped release state to the undamped release state, the released object falls in free fall until the rope (8) on the swing arm (7) is completely straightened, and the release function is completed; During the release process, there is a stop screw on the spring pin (21), and the spring pin (21) cannot fall off freely after releasing the locking pin (20).

5. The mechanically adjustable damping and controllable release device according to claim 4, characterized in that: The contact surface between the swing rod (7) and the winding wheel (6) is set as a preset angle slope to prevent the rope (8) on the winding wheel (6) from being tightly wound around the lower swing rod (7) and causing the lower swing rod (7) to jam with the winding wheel (6).

6. The mechanically adjustable damping and controllable release device according to claim 5, characterized in that: The spring pin (21) and the adapter (23) have a milled flat design to ensure the contact relationship between the spring pin (21) and the locking pin (20). A stop pin (5) is provided on the spring pin (21) to ensure the retraction distance of the spring pin (21) and to ensure that the locking pin (20) is released and the spring pin (21) will not fall off.

7. The mechanically adjustable damping and controllable release device according to claim 6, characterized in that: The locking pin (20) and spring pin (21) fix the winding wheel (6), and the pre-tightening force is applied by tightening the rope cap (10) and the bundle opening (9) to achieve the tension control of the winding wheel (6).

8. The mechanically adjustable damping controllable release device according to claim 7, characterized in that: The length and diameter of the swing arm (7) and the winding wheel (6) are quantitatively designed according to actual needs to control the release distance of the damped section and the undamped section, and to control the release speed of the damped release section.

9. A mechanically adjustable damping and controllable release device according to claim 8, characterized in that: The release device is described as follows: after the line is wound counterclockwise from the root to the tail of the swing rod (7), the line (8) is transferred from the swing rod (7) to the winding wheel (6). The line is wound counterclockwise from the tail to the root of the swing rod (7) on the winding wheel (6). After the line is wound, it is connected to the object to be released. After the winding wheel (6) and the line (8) are released, the swing rod (7) is opened, and the line (8) on the swing rod (7) is released quickly to ensure that the line (8) is released sequentially and stably during the release process.

10. A mechanically adjustable damping controllable release device according to claim 9, characterized in that: The number of short ropes (8) is three, and three round holes are provided on the bundle opening.

Citation Information

Patent Citations

  • Unwinding rack device for high-speed rail cable

    CN113942895A