CN211664483U - Automatic traction winding and unwinding device - Google Patents
Automatic traction winding and unwinding device Download PDFInfo
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- CN211664483U CN211664483U CN201920759679.0U CN201920759679U CN211664483U CN 211664483 U CN211664483 U CN 211664483U CN 201920759679 U CN201920759679 U CN 201920759679U CN 211664483 U CN211664483 U CN 211664483U
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Abstract
The utility model discloses an automatic traction winding and unwinding devices possesses automatic receipts and releases line function. This automatic traction winding and unwinding devices includes: the cable collecting device comprises a base, and a cable collecting unit, a cable arranging unit, a traction mechanism and an electric control unit which are arranged on the base; the cable retracting unit is used for storing a cable and retracting the cable, and can brake a cable retracting wire coil; the cable arranging unit is used for realizing orderly arrangement of cables on the cable take-up drum. The traction mechanism is used for providing power for winding and unwinding the cable, reducing the tension on the cable and avoiding the direct action of larger tension on the cable winding wire coil. The electric control unit controls the automatic traction and retraction of the mooring rope by controlling the cable retracting power unit, the cable arranging unit and the traction power unit.
Description
Technical Field
The utility model relates to a pull winding and unwinding devices, concretely relates to automatic pull winding and unwinding devices.
Background
In the prior art, the cable is wound and unwound on a winding and unwinding device (winch), and the cable is pulled out manually during unwinding; when the wire is taken up, a worker starts the motor, and the motor drives the take-up and pay-off device (winch) to take the wire back.
Along with the improvement of equipment intelligence level, unmanned aerial vehicle, underwater robot all have the ability of independently judging the operating position, hope supporting cable winding and unwinding devices (winch) also to have automatic receipts and releases line function this time, just so can make the complete equipment have unmanned monitoring, the operational capability of autonomic automatic control improves the whole intelligent level of system greatly.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an automatic traction winding and unwinding devices possesses automatic receipts and unwinding line function, can improve the whole intelligent level of the mooring equipment who uses this automatic traction winding and unwinding devices from this.
The automatic traction retraction device comprises: the cable collecting device comprises a base, and a cable collecting unit, a cable arranging unit, a traction mechanism and an electric control unit which are arranged on the base;
the cable collecting unit is used for storing cables and collecting and releasing the cables and comprises: a cable collecting power unit and a cable collecting wire coil; the cable is wound on a cable take-up drum; the cable collecting power unit is controlled by the electric control unit and is used for driving the cable collecting wire to rotate around the axis of the cable collecting wire;
the cable arranging unit is used for controlling the orderly arrangement of the cables on the cable winding disc, when the cable winding unit winds or releases the cables, the cable winding disc rotates for one circle, the distance of the cable arranging unit moving along the axial direction of the cable winding disc under the control of the electric control unit is the same as the diameter of a single cable, and the arrangement space of the next circle of cables is reserved;
the traction mechanism is used for providing power for the retraction and release of the mooring rope, and comprises: the traction mechanism comprises two traction wheels with parallel axes and a traction power unit, wherein the two traction wheels synchronously rotate under the driving of the traction power unit; the traction power unit is controlled by an electric control unit; one end of the cable is connected with mooring equipment, and the other end of the cable firstly passes through the cable arranging unit after being annularly wound on the two traction wheels and then is wound on the cable collecting wire coil;
the electric control unit controls the automatic traction and retraction of the mooring rope by controlling the cable retracting power unit, the cable arranging unit and the traction power unit.
The cable arranging unit includes: the cable arrangement device comprises a cable arrangement bracket, a cable arrangement power unit and a cable arrangement lead screw; the cable arrangement power unit and the cable arrangement screw rod are fixed on the base through a cable arrangement support, and the axis of the cable arrangement screw rod is parallel to the axis of the cable take-up drum; the cable arrangement power unit is controlled by the electric control unit and is used for driving the cable arrangement screw rod to rotate;
the nut is matched with the cable arranging screw rod to form a screw rod and nut pair, and the rotation of the cable arranging screw rod is converted into the linear motion of the nut along the axis of the cable arranging screw rod; the cable penetrates through a cable hole on the wire guide seat connected with the nut and then is wound on a cable take-up drum; when the cable collecting unit collects or releases the cable, the nut is positioned on the front side of the current winding position in the cable collecting/releasing direction, the cable collecting wire disc is tightly pressed, the moving distance of the nut along the cable arranging screw rod is the same as the diameter of a single cable when the cable collecting wire disc rotates for one circle, and the discharge space of the next circle of cable is reserved.
The cable arranging unit further comprises: the cable arrangement polished rod is parallel to the cable arrangement lead screw; the nut is provided with a unthreaded hole parallel to the axis of the threaded hole of the nut and used for being sleeved on the cable arrangement polished rod, and the cable arrangement polished rod plays a role in guiding the linear motion of the nut.
The cable collecting power unit comprises: the cable collecting device comprises a power source consisting of a cable collecting motor and a speed reducer, a cable collecting transmission shaft and two cable collecting synchronous belt transmission mechanisms; an output shaft of the cable collecting motor is directly connected with a speed reducer, an output end of the speed reducer is connected with a cable collecting transmission shaft, and two axial ends of the cable collecting transmission shaft are respectively provided with a cable collecting synchronous belt transmission mechanism; driving wheels in the two cable-collecting synchronous belt transmission mechanisms are respectively and coaxially fixedly connected with the cable-collecting transmission shafts, and driven wheels of the two cable-collecting synchronous belt transmission mechanisms are respectively and coaxially connected to the two axial ends of the cable-collecting wire coil;
the cable arranging power unit has the same structural form as the cable collecting power unit, and cable arranging synchronous belt transmission mechanisms arranged at the two axial ends of the cable arranging screw rod are driven by a cable arranging motor to drive the cable arranging screw rod to rotate.
The cable winding device is characterized in that detection in-place sensors are respectively arranged at two axial ends of the cable winding disc, when the cable is discharged to the position of the in-place sensors, the detection in-place sensors send in-place signals to the electric control unit, and the electric control unit controls the cable arrangement motor to rotate reversely, so that automatic reversing is realized.
The tension detection unit is used for detecting the real-time tension on the cable; the tension detection unit is arranged between the automatic traction and retraction device and the mooring equipment.
The tension detecting unit includes: the movable pulley comprises a fixed pulley group and a movable pulley group, wherein two sides of the movable pulley group are respectively provided with a group of fixed pulley groups, each fixed pulley group comprises more than one fixed pulley arranged in parallel, and each movable pulley group comprises more than one movable pulley arranged in parallel;
the cable is wound around the lower part of the fixed wheel set at one side, the upper part of the movable wheel set and the lower part of the fixed wheel set 1010) at the other side in sequence, the fixed wheel sets at the two sides are used for tensioning the cable, and the cable is tensioned and then pressed on the movable wheel set; the pressure sensor is arranged on the movable wheel set, and the real-time tension of the cable is calculated by the electronic control unit according to the pressure value measured by the pressure sensor and the included angle formed when the cable is wound on the movable wheel set.
Has the advantages that:
(1) the automatic traction winding and unwinding device has an automatic winding and unwinding function, and therefore the overall intelligent level of the mooring equipment using the automatic traction winding and unwinding device can be improved.
(2) The arrangement of the cable arranging unit can ensure the orderly arrangement of the cable on the cable take-up drum.
(3) The traction mechanism is arranged, the cable is wound and unwound to provide power through the traction mechanism, meanwhile, the tension on the cable is reduced, the phenomenon that larger tension directly acts on the cable-collecting wire coil is avoided, and the service life of the cable-collecting wire coil is prolonged.
(4) Set up tension detecting element, can detect the real-time tension on the hawser, the operating personnel of being convenient for knows the atress condition of hawser, plays the cushioning effect to instantaneous tension change through tension buffer unit simultaneously.
Drawings
Fig. 1 and 2 are schematic structural views of the automatic traction retraction device of the present invention;
FIG. 3 is a top view of the automatic traction retraction device;
FIG. 4 is a schematic structural diagram of a tension detecting unit;
fig. 5 is a schematic view of the working process of the automatic traction retraction device.
Wherein: the cable winding device comprises a cable winding transmission shaft 1, a cable winding synchronous belt transmission mechanism 2, a driving wheel 1, a driven wheel 2, an annular belt 3, a cable winding coil 3, a base 4, a cable arrangement lead screw 5, a cable arrangement polished rod 6, a cable arrangement synchronous belt transmission mechanism 7, an upper traction wheel 8, a lower traction wheel 9, a fixed wheel group 10, a movable wheel group 11, a pressure sensor 12 and a cable 13.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
Example 1:
the embodiment provides an automatic traction winding and unwinding device, has automatic winding and unwinding functions, and can provide the intelligent level of unmanned equipment such as unmanned aerial vehicles, underwater robots and the like using the winding and unwinding device.
The structure of the automatic traction retraction device is shown in fig. 1 and 2, and comprises: a base 4, and a cable collecting unit, a cable arranging unit, a traction mechanism and an electric control unit which are arranged on the base 4. The automatic traction winding and unwinding device is connected with mooring equipment through a cable (the cable is used as a carrier for optical fiber signal transmission and current conduction), and when the mooring equipment is aerial equipment such as a mooring ball, an unmanned aerial vehicle or a parafoil, the floating height of the mooring equipment in the air is controlled by winding and unwinding the cable; when the mooring equipment is an underwater robot, the mooring equipment is connected with the underwater robot through the mooring rope, and the underwater robot is controlled in depth in the air and water by controlling the mooring rope to be retracted.
Wherein the cable collecting unit is used for storing the cable and collecting and releasing the cable, and specifically comprises: a cable collecting power unit and a cable collecting wire coil 3, wherein the cable collecting power unit comprises: the cable collecting device comprises a power source consisting of a cable collecting motor and a speed reducer, a cable collecting transmission shaft 1 and two cable collecting synchronous belt transmission mechanisms 2. Wherein, the cable-collecting synchronous belt transmission mechanism 2 comprises: the driving wheel 2-1, the driven wheel 2-2 and the annular belt 2-3 tensioned on the driving wheel and the driven wheel, wherein the annular belt 2-3 is a toothed belt, namely the working surface of the annular belt is toothed, the rim surfaces of the driving wheel 2-1 and the driven wheel 2-2 are also made into corresponding toothed shapes, and the annular belt is meshed with the driving wheel and the driven wheel through teeth for transmission. The overall connection relationship of the cable collecting unit is as follows: the cable collecting motor is an alternating-current variable-frequency motor, an output shaft of the cable collecting motor is directly connected with a speed reducer, an output end of the speed reducer is connected with a cable collecting transmission shaft 1, two axial ends of the cable collecting transmission shaft 1 are respectively provided with a cable collecting synchronous belt transmission mechanism 2, and the cable collecting synchronous belt transmission mechanism specifically comprises: two ends of the cable collecting transmission shaft 1 are coaxially and fixedly connected with driving wheels 2-1 of the cable collecting synchronous belt transmission mechanisms respectively, driven wheels 2-2 of the two cable collecting synchronous belt transmission mechanisms are coaxially connected with two axial ends of a cable collecting drum 3 respectively, and therefore the cable collecting transmission shaft 1 drives the cable collecting drum 3 to rotate through the two cable collecting synchronous belt transmission mechanisms 2. The cable 13 is wound on the cable winding drum 3, and the cable winding drum 3 is driven to rotate forwards or backwards, so that the cable 13 is wound and released. The cable take-up drum 3 can be stressed uniformly by adopting the driving mode. When the cable drum 3 needs to be braked, the cable collecting motor is directly braked by the brake of the cable collecting motor. The cable collecting motor adopts a torque mode frequency converter to control the rotating speed, can ensure the synchronization with traction, and can set the torque.
An installation interface is reserved at one end of the cable take-up drum 3 and used for installing the photoelectric slip ring, the photoelectric slip ring is an electrical interface of the cable and is arranged at the tail end of the cable as a switching interface, and a total electric wire and an optical fiber of the cable are connected with the photoelectric slip ring, so that the transmission of electric and optical signals is realized. The installation interface and the 3 axle cores of the cable take-up drum are formed in one-step processing mode, and the concentricity of the 3 axle cores of the cable take-up drum and the photoelectric slip ring is guaranteed. As shown in fig. 3, a plurality of axial grooves are uniformly distributed on the outer circumferential surface of the cable take-up drum 3 along the circumferential direction, through holes are formed at the bottoms of the grooves for ventilating the cable wound on the cable take-up drum 3, an air blower is installed on one axial side of the cable take-up drum 3, and the cable on the cable take-up drum 3 is ventilated and cooled when the traction take-up and pay-off device works.
The cable arranging unit is fixed on the base 4 and is parallel to the cable winding disc 3, when the cable is wound and unwound, the cable arranging unit can move for the distance of one cable diameter along the axial direction every time the cable winding disc 3 rotates for one circle, and therefore ordered arrangement of the cable on the cable winding disc 3 is achieved. The cable arranging unit includes: the cable arranging device comprises a cable arranging bracket, a cable arranging power unit, a cable arranging lead screw 5 and a cable arranging polished rod 6. The cable arranging unit is fixed on one side of the outer circumference of the cable take-up drum 3 on the base 4 through a cable arranging support, so that the axis of the cable arranging lead screw 5 is parallel to the axis of the cable take-up drum 3. The cable arranging power unit comprises: the cable arranging device comprises a cable arranging motor, a speed reducer, a cable arranging transmission shaft and a cable arranging synchronous belt transmission mechanism 7, wherein the cable arranging motor adopts a servo motor, the power output end of the cable arranging motor is directly connected with the speed reducer, the output end of the speed reducer is connected with the cable arranging transmission shaft, and two axial ends of the cable arranging transmission shaft are respectively provided with a set of cable arranging synchronous belt transmission mechanism 7 (the structural form of the cable arranging synchronous belt transmission mechanism 7 is the same as that of the cable arranging synchronous belt transmission mechanism). Driven wheels of the two cable arranging synchronous belt transmission mechanisms 7 are respectively and coaxially connected to the two axial ends of the cable arranging lead screw 5, so that the cable arranging transmission shafts drive the cable arranging lead screw 5 to rotate through the two cable arranging synchronous belt transmission mechanisms 7, and the cable arranging lead screw 5 can be uniformly stressed by adopting the driving mode.
The nut is matched with the cable arranging screw rod 5 to form a screw rod and nut pair, and the rotation of the cable arranging screw rod 5 is converted into the linear motion of the nut along the axis of the cable arranging screw rod 5. Meanwhile, the cable passes through a cable hole on the wire guide seat connected with the nut and then is wound on the cable take-up drum 3. In order to prevent the lead screw nut from being blocked due to bearing of large lateral tension, a cable arrangement polished rod 6 which is axially parallel to the cable arrangement lead screw 5 is arranged as a guide rail, and a linear guide rail is adopted to assist cable arrangement. The method specifically comprises the following steps: the nut end face is provided with a unthreaded hole parallel to the axis of the threaded hole and used for being sleeved on the cable-arranging polished rod 6, and the cable-arranging polished rod 6 plays a role in guiding the linear motion of the nut.
The nut compresses tightly cable take-up drum 3, and is located the front side of the current winding position in the cable winding direction. The cable arranging motor is controlled by the electric control unit, when cable is collected (namely cables are arranged on the cable collecting drum), the electric control unit controls the cable arranging motor to drive the cable arranging lead screw 5 to rotate by tracking the rotation of the cable collecting drum 3, the cable collecting drum 3 is ensured to rotate for one circle, the moving distance of the nut along the cable arranging lead screw 5 is the same as the diameter of a single cable, and the arrangement space of the next circle of cables is reserved when the nut moves once, so that the cables are orderly arranged on the cable collecting drum 3 along the axial direction of the cable collecting drum 3; and the cable is arranged on the cable take-up drum 3 in a stacking way through the axial reciprocating motion of the wire seat fixedly connected with the nut along the cable take-up drum 3.
Meanwhile, the cable arranging motor is controlled through the electric control unit, cables can be accurately arranged on the cable take-up drum 3 according to a set pitch, and automatic reversing can be carried out according to the limit positions at the two axial ends of the cable take-up drum 3. If the two axial ends of the cable take-up drum 3 are respectively provided with a position detection sensor (such as a displacement sensor or a limit switch), when the cable is discharged to a limit position (namely the position of the position detection sensor), the position detection sensor sends a position signal to the electric control unit, and the electric control unit controls the cable arrangement motor to rotate reversely, so that automatic reversing is realized, and the stability and the reliability of the cable arrangement are improved. Meanwhile, the electric control unit can detect the cable arrangement position in real time (for example, the movement distance of the nut is detected through the displacement sensor so as to obtain the cable arrangement position or the cable arrangement position is obtained through the image processing unit) and record the cable arrangement position, so that the phenomenon that the cable arrangement position cannot be determined next time due to power failure is prevented.
The traction mechanism is used for providing power for winding and unwinding the cable, reducing the tension on the cable and avoiding the direct action of larger tension on the cable winding wire coil 3. The traction mechanism includes: go up traction wheel 8 and traction wheel 9 down, go up traction wheel 8 and evenly be provided with annular wire winding groove along the axial on the traction wheel 9 down, the equipment of mooring rope is connected to the one end of hawser, and the earlier annular winding of the other end is at last traction wheel 8 and traction wheel 9 down (the hawser at last traction wheel 8 with under traction wheel 9 annular winding, the similar annular hold-in range of shape), then passes row cable unit wire seat and twines on taking cable drum 3 again. Each traction wheel corresponds to a set of traction power unit, and each traction power unit consists of a traction motor and a speed reducer; wherein the traction motor adopts a double AC variable frequency motor. The connection relationship is as follows: the power output end of the traction motor is directly connected with the speed reducer, and the output end of the speed reducer directly drives the corresponding traction wheel. The two traction motors are controlled by the electric control unit, and the electric control unit ensures that the two traction wheels synchronously rotate, so that power is provided for winding and unwinding the mooring rope. Wherein the upper traction wheel 8 is offset with respect to the lower traction wheel 8 such that the outlet of the winding groove in the upper traction wheel 8 is aligned with the inlet of the winding groove in the lower traction wheel 8 at a corresponding position, whereby the cable is helically wound around the upper traction wheel 8 and the lower traction wheel 9, reducing cable friction. When the brake is needed, the traction motor is directly braked by the brake of the traction motor, so that the condition that the traction wheel cannot stop in time due to self inertia when rotating at a high speed is prevented. Meanwhile, the two traction motors are respectively provided with a manual brake device (the manual brake device is auxiliary equipment of the traction motors and belongs to the prior art), when the mooring equipment is in an idle state, the brake push rod is manually pushed into the traction wheel hole, and when the manual brake device is not released, the traction retraction device cannot work, so that the idle safety of the mooring equipment is fully ensured. The traction motor is provided with a rotary encoder, so that the winding and unwinding length of the mooring rope can be accurately calculated, and related data can be displayed on the console in real time. When the brake is needed, the speed of the traction mechanism is reduced firstly, and then the brake of the traction motor brakes the traction motor.
The cable collecting motor, the cable arranging motor and the traction motor are all controlled by an electric control unit, the electric control unit adopts a control mode of an operation interface (a touch screen) and a PLC, and the PLC is used as a core to control the operation of the automatic traction winding and unwinding device. The sending of the operation signals, the acquisition of various required signals and various operations are realized by the PLC. The touch screen is communicated with the PLC through a communication line, various set parameters are transmitted to the PLC, and the cable laying length of the cable during working is displayed in real time.
The automatic traction device has three working modes: a cable laying mode, a dead space mode (or task mode) and a cable collecting mode. The states of buttons such as a cable releasing mode, a task mode, a cable collecting mode and the like on the touch screen and various set parameters are transmitted to the PLC through a communication line. The control brake, the cable laying length and the like are collected into a CPU of the electric control unit through the CPU switching value, are analyzed and processed, and send control instructions to the traction mechanism, the cable collecting unit and the cable arranging unit. In order to ensure the stability of the operation of the automatic traction winding and unwinding device and prevent accidents, the cable winding disc 3 is provided with a corresponding brake resistor. A sensor is arranged on a manual brake device in the traction mechanism to sense whether the brake device is in place. Meanwhile, an emergency stop switch and a buzzer are configured for the automatic traction retraction device.
Example 2:
on the basis of the embodiment 1, a tension detection unit is further arranged and used for detecting the real-time tension on the cable rope, so that the stress condition of the cable rope can be conveniently known. The tension detection unit is arranged between the automatic traction winding and unwinding device and the mooring equipment, namely, a cable from the automatic traction winding and unwinding device passes through the tension detection unit and then is connected with the mooring equipment.
The tension detection unit is a group of similar movable pulley block mechanisms, and comprises: the principle of the fixed wheel set 10 and the moving wheel set 11 is shown in fig. 4, wherein the moving wheel set 11 is used as a force measuring wheel, a set of fixed wheel set 10 is respectively arranged at two sides of the moving wheel set 11, the fixed wheel set 10 comprises more than one fixed pulley arranged in parallel, the moving wheel set 11 comprises more than one moving pulley arranged in parallel, a cable 13 sequentially passes through the lower part of the fixed wheel set 10 at one side, the upper part of the moving wheel set 11 and the lower part of the fixed wheel set 10 at the other side, the cable is tensioned by the fixed wheel sets 10 at the two sides, and the cable 13 is tensioned and then pressed on the moving wheel set 11; the pressure sensor 12 is arranged on the moving wheel set 11, and the electric control unit can calculate the actual tension of the cable (the calculation is a conventional technical means) by combining the pressure value measured by the pressure sensor 12 and the included angle formed by the cable 13 on the moving wheel set 11, so that the real-time tension value on the cable is obtained and displayed on the touch screen in real time. The fixed wheel set 10 and the movable wheel set 11 can also be arranged in pairs, so that the cable can pass through between the fixed wheel set 10 and the movable wheel set 11.
The automatic traction device has three working modes: the cable unwinding mode, the cable stagnation mode and the cable winding mode.
A cable laying mode: setting the cable tension value in the mode as F1The electronic control unit calculates the real-time tension F on the cable, if F<F1It shows that the cable take-up drum 3 is in the state of accelerating outward cable laying at the moment, if F1F, it indicates that the cable take-up drum 3 is kept at a constant tension at this time and is drawn out to be released. In the mode, the traction motor starts to operate according to the set gear speed, the cable collecting unit synchronously releases the cable along with the traction unit in the torque control mode, the cable arranging unit is always in the following state, and the cable arranging unit and the traction unit are ensured to be in the following stateThe cable positions on the cable take-up drum 3 are synchronized.
And (3) task mode: setting the cable tension value in the mode as F2The electronic control unit calculates the real-time tension F on the cable, when F2When F, the traction mechanism brakes and the cable take-up drum 3 maintains a constant tension.
A cable retracting mode: setting the cable tension value in the mode as F3The electronic control unit calculates the real-time tension F on the cable, if F<F3Indicating that the cable take-up drum 3 is in the accelerated cable take-up state at the moment, F3F, indicating that the take-up drum 3 is now held at constant tension following the pull take-up. In this mode, the winch unit operates in a torque mode to wind the cable following the pulling mechanism. Meanwhile, the cable arranging unit is in a winding mode, and the cable arranging unit and the cable are ensured to be synchronous in position on the cable drum.
The whole control flow of the automatic retraction device is shown in fig. 5.
Example 3:
on the basis of the embodiment 2, the air cylinder is arranged at the bottom of the movable wheel set 11, and when the tension is reduced (namely the cable is loosened) due to instantaneous tension change (generally downward pressing air flow), the piston of the air cylinder is controlled to extend out, the movable wheel set 11 is pushed upwards, so that the cable has certain tension all the time, the instantaneous tension change is buffered, and the faults caused by the cable loosening and releasing and groove jumping are avoided.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automatic traction retraction device, characterized by comprising: the cable winding and unwinding device comprises a base (4), and a cable winding unit, a cable arranging unit, a traction mechanism and an electric control unit which are arranged on the base (4);
receive cable unit and be used for the receive and release of storage hawser and hawser, include: a cable take-up power unit and a cable take-up drum (3); the cable is wound on a cable winding drum (3); the cable take-up power unit is controlled by the electric control unit and is used for driving the cable take-up coil (3) to rotate around the axis of the cable take-up coil;
the cable arranging unit is used for controlling the orderly arrangement of the cables on the cable take-up drum (3), when the cable take-up unit takes up or releases the cables, the cable arranging unit rotates for one circle every time along the axial movement distance of the cable take-up drum (3) under the control of the electric control unit, and the diameter of each cable is the same as that of each cable, so that the arrangement space of the next circle of cables is reserved;
the traction mechanism is used for providing power for the retraction and release of the mooring rope, and comprises: the traction mechanism comprises two traction wheels with parallel axes and a traction power unit, wherein the two traction wheels synchronously rotate under the driving of the traction power unit; the traction power unit is controlled by an electric control unit; one end of the cable is connected with mooring equipment, and the other end of the cable firstly passes through the cable arranging unit after being annularly wound on the two traction wheels and then is wound on the cable take-up drum (3);
and the electric control unit controls the automatic traction and retraction of the mooring rope by controlling the cable retraction power unit, the cable arrangement unit and the traction power unit.
2. The automatic traction retraction device according to claim 1, wherein said cable array unit comprises: the cable arrangement device comprises a cable arrangement bracket, a cable arrangement power unit and a cable arrangement lead screw (5); the cable arrangement power unit and the cable arrangement lead screw (5) are fixed on the base (4) through a cable arrangement support, and the axis of the cable arrangement lead screw (5) is parallel to the axis of the cable take-up drum (3); the cable arrangement power unit is controlled by an electric control unit and is used for driving the cable arrangement lead screw (5) to rotate;
the nut is matched with the cable arranging screw rod (5) to form a screw rod and nut pair, and the rotation of the cable arranging screw rod (5) is converted into the linear motion of the nut along the axis of the cable arranging screw rod (5); the cable penetrates through a cable hole on the wire guide seat connected with the nut and then is wound on a cable take-up drum (3); when the cable is collected or released by the cable collecting unit, the nut is positioned on the front side of the current winding position in the cable collecting/releasing direction, the cable collecting wire disc (3) is tightly pressed, the distance of the nut moving along the cable arranging lead screw (5) is the same as the diameter of a single cable when the cable collecting wire disc (3) rotates for one circle, and the discharge space of the next circle of cable is reserved.
3. The automatic traction retraction device according to claim 2, wherein said cable array unit further comprises: the cable arrangement polished rod (6) is parallel to the cable arrangement lead screw (5); the nut is provided with a unthreaded hole parallel to the axis of the threaded hole and used for being sleeved on the cable-arranging polished rod (6), and the cable-arranging polished rod (6) plays a role in guiding the linear motion of the nut.
4. The automatic traction retraction device according to claim 2, wherein said cable retraction power unit comprises: the cable-retracting mechanism comprises a power source consisting of a cable-retracting motor and a speed reducer, a cable-retracting transmission shaft (1) and two cable-retracting synchronous belt transmission mechanisms (2); an output shaft of the cable collecting motor is directly connected with the speed reducer, the output end of the speed reducer is connected with a cable collecting transmission shaft (1), and two cable collecting synchronous belt transmission mechanisms (2) are respectively arranged at two axial ends of the cable collecting transmission shaft (1); driving wheels in the two cable-retracting synchronous belt transmission mechanisms (2) are respectively and coaxially fixedly connected with the cable-retracting transmission shaft (1), and driven wheels (2-2) of the two cable-retracting synchronous belt transmission mechanisms (2) are respectively and coaxially connected to two axial ends of a cable-retracting wire coil (3);
the structure form of the cable arrangement power unit is the same as that of the cable collection power unit, and the cable arrangement synchronous belt transmission mechanisms (7) arranged at the two axial ends of the cable arrangement lead screw (5) are driven by the cable arrangement motor to drive the cable arrangement lead screw (5) to rotate.
5. The automatic traction winding and unwinding device as claimed in claim 4, wherein in-place detection sensors are respectively arranged at two axial ends of the cable winding disc (3), when the cable is discharged to the position of the in-place detection sensors, the in-place detection sensors send in-place signals to the electronic control unit, and the electronic control unit controls the cable arrangement motor to rotate reversely so as to realize automatic reversing.
6. The automatic traction retractor apparatus of claim 1 or 2 further comprising a tension sensing unit for sensing a real time tension on the cable; the tension detection unit is arranged between the automatic traction and retraction device and the mooring equipment.
7. The automatic traction retraction device according to claim 6, wherein said tension detection unit comprises: the device comprises a fixed wheel set (10) and a movable wheel set (11), wherein a group of fixed wheel sets (10) are respectively arranged on two sides of the movable wheel set (11), the fixed wheel set (10) comprises more than one fixed pulley which is arranged in parallel, and the movable wheel set (11) comprises more than one movable pulley which is arranged in parallel;
the cable sequentially passes below the fixed wheel set (10) on one side, above the movable wheel set (11) and below the fixed wheel set (10) on the other side, the fixed wheel sets (10) on the two sides are used for tensioning the cable, and the cable is pressed on the movable wheel set (11) after being tensioned; the movable wheel set (11) is provided with a pressure sensor, and the electric control unit calculates the real-time tension of the cable according to the pressure value measured by the pressure sensor and the included angle formed when the cable is wound on the movable wheel set (11).
8. Automatic traction retraction device according to claim 7, characterized in that at the bottom of said movable pulley group (11) is mounted a cylinder controlled by an electronic control unit which controls the cylinder piston to extend, pushing up the movable pulley group (11), tensioning the cable when the cable is slack and the tension of the cable is reduced.
9. The automatic traction winding and unwinding device according to claim 1 or 2, characterized in that more than two axial grooves are uniformly distributed on the outer circumferential surface of the cable winding disc (3) along the circumferential direction, and through holes are opened at the bottom of the grooves for ventilation of the cable wound on the cable winding disc (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759679.0U CN211664483U (en) | 2019-05-24 | 2019-05-24 | Automatic traction winding and unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759679.0U CN211664483U (en) | 2019-05-24 | 2019-05-24 | Automatic traction winding and unwinding device |
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| Publication Number | Publication Date |
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| CN211664483U true CN211664483U (en) | 2020-10-13 |
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| CN201920759679.0U Active CN211664483U (en) | 2019-05-24 | 2019-05-24 | Automatic traction winding and unwinding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203778A (en) * | 2019-05-24 | 2019-09-06 | 深圳市百川融创科技有限公司 | A kind of automatic traction draw off gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203778A (en) * | 2019-05-24 | 2019-09-06 | 深圳市百川融创科技有限公司 | A kind of automatic traction draw off gear |
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