Self-adaptive torque control anti-overloading automobile winch

Abstract

The utility model discloses a self-adaptive torque control anti-overload automobile winch, which relates to the technical field of automobile winches, and comprises a winch frame, a control box arranged above the winch frame, a power component, a planetary gear component, a rotary drum component, a linkage component and an anti-overload component. The torque of the output shaft of the speed reducer is monitored in real time through the torque sensor, real-time automatic overload prevention control is achieved through the controller and the electromagnetic clutch, when overload is detected, the electromagnetic clutch can be rapidly separated, the mechanical structure of the motor and the mechanical structure of the winch are effectively protected, damage caused by overload is avoided, and the service life of the winch is prolonged. The reliability and the service life of the winch are greatly improved; according to the device, the direct current motor and the planetary reducer are adopted, so that the winch has good speed regulation performance, large starting torque and high transmission efficiency, and can better adapt to various complex working environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile capstan, concretely to a self -adaptation moment control prevents overload automobile capstan. BACKGROUND

[0002] The automobile capstan is an important equipment for rescue, when the vehicle is in trouble, the capstan is used to pull the rope and drag the vehicle out of the bad environment such as the muddy and sandy ground.

[0003] When the automobile capstan pulls the heavy object, if the load falls suddenly, the output torque of the capstan motor will increase sharply, however, the existing automobile capstan is mostly simple in structure and lacks effective protection measures, the motor may be burned due to overload, and the mechanical structure of the capstan may also be damaged; moreover, the traditional capstan usually needs manual judgment of overload and manual measures, which is not convenient to operate and slow in response, and cannot respond to the sudden overload in time. UTILITY MODEL CONTENTS

[0004] The utility model provides a self -adaptation moment control prevents overload automobile capstan has the advantages of automatically adjusting torque and protecting the capstan motor, to solve the problem that the existing equipment is prone to motor overload.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a self -adaptation moment control prevents overload automobile capstan, including the capstan frame and the control box being arranged above the capstan frame, characterized by further including power assembly, planetary gear assembly, drum assembly, linkage assembly and anti -overload assembly, wherein:

[0006] The capstan frame is provided with a traction plate, a handle is arranged above the traction plate, and the capstan frame is of L-shaped structure;

[0007] The drum assembly includes a cooling drum, a steel wire rope is wound outside the cooling drum, circular support plates are arranged at both ends of the cooling drum, the circular support plates are embedded in a cylinder, the cylinder is arranged on one side of the support seat, and a friction disc is arranged at one end of the cooling drum;

[0008] The anti -overload assembly includes a controller, an electromagnetic coil is arranged on one side of the controller, an iron core is nested in the electromagnetic coil, a clutch suction cup is arranged on one side of the iron core, a limiting ring is fixedly connected to the bottom of the clutch suction cup, and a linkage disc is embedded in the limiting ring.

[0009] As a preferred technical scheme of the utility model, the linkage disc is fixed outside the linkage cylinder, a torque sensor is fixedly connected to one end of the linkage cylinder, a friction plate is fixed to one end of the torque sensor, and the limiting ring is supported by a plurality of springs through the support seat.

[0010] As a preferred technical scheme of the utility model, the friction plate and the friction disc are symmetrically arranged, and the controller is electrically connected with the electromagnetic coil and the torque sensor.

[0011] As a preferred technical scheme of the utility model, the steel wire rope penetrates the traction plate, and the supporting seat is fixed on the capstan frame through bolts.

[0012] As a preferred technical scheme of the utility model, the power assembly comprises a motor, the motor is welded with one end of a transmission rod, the other end of the transmission rod is provided with a clamping plate, the clamping plate is embedded with a chuck, and the chuck is embedded with a plurality of fixing pins on one side.

[0013] As a preferred technical scheme of the utility model, the fixing pins are embedded with a large planetary gear, the large planetary gear is embedded with a gear ring on the outside, the large planetary gear is embedded with a small planetary gear on the inside, and the small planetary gear is embedded with a gear plate on one end.

[0014] As a preferred technical scheme of the utility model, the gear plate is connected with a second planetary gear ring through a bolt, the second planetary gear ring is provided with a second small planetary gear on the inside, and the second small planetary gear is fixed on one end of a linkage cylinder through a screw.

[0015] Compared with the prior art, the utility model provides a kind of self-adaptive torque control anti-overload automobile capstan, with the following beneficial effects: the utility model discloses a torque sensor in real time monitoring the torque of speed reducer output shaft, and utilizes controller and electromagnetic clutch real-time automatic anti-overload control, when detecting overload, can quickly separate electromagnetic clutch, effectively protect the mechanical structure of motor and capstan, avoid damage due to overload, greatly improve the reliability and service life of capstan;The device uses DC motor and planetary reducer to make capstan have good speed regulating performance, larger starting torque and higher transmission efficiency, can better adapt to various complex working environments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is overall structure schematic view of the utility model;

[0017] Figure 2 It is structure diagram of drum assembly of the utility model;

[0018] Figure 3 It is structure schematic view of anti-overload assembly of the utility model;

[0019] Figure 4 It is structure diagram of planetary gear assembly of the utility model.

[0020] In the figure: 1, winch frame; 2, control box; 3, power assembly; 4, planetary gear assembly; 5, drum assembly; 6, linkage assembly; 7, anti-overload assembly; 11, traction plate; 12, handle; 51, cooling drum; 52, steel wire rope; 511, circular support plate; 53, cylinder; 54, support seat; 55, friction disc; 61, linkage disc; 62, linkage cylinder; 71, controller; 72, electromagnetic coil; 73, iron core; 74, clutch suction cup; 75, limit ring; 76, torque sensor; 78, friction plate; 77, spring; 31, motor; 32, transmission rod; 33, clamping plate; 34, chuck; 35, fixing pin; 41, large planetary gear; 42, gear ring; 43, small planetary gear; 44, toothed plate; 45, latch; 46, second planetary gear ring; 47, second small planetary gear. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0022] Please refer to Figures 1-4 The utility model discloses a kind of self-adaptive torque control anti-overload automobile winch, including winch frame 1 and the control box 2 being set on winch frame 1 top, it is characterized by, including power assembly 3, planetary gear assembly 4, drum assembly 5, linkage assembly 6 and anti-overload assembly 7, wherein:

[0023] Winch frame 1 is equipped with traction plate 11, traction plate 11 top is equipped with handle 12, winch frame 1 is L type structure;

[0024] Please refer to the attached Figure 2 Drum assembly 5 includes cooling drum 51, steel wire rope 52 is wound outside cooling drum 51, cooling drum 51 both ends are equipped with circular support plate 511, circular support plate 511 is embedded cylinder 53, cylinder 53 is equipped in support seat 54 one side, cooling drum 51 one end is equipped with friction disc 55, specifically, cooling drum 51 rotates under the support of circular support plate 511;

[0025] Please refer to the attached Figure 3The overload protection component 7 includes a controller 71. An electromagnetic coil 72 is provided on one side of the controller 71. An iron core 73 is nested inside the electromagnetic coil 72. A clutch chuck 74 is provided on one side of the iron core 73. A limiting ring 75 is fixedly connected to the bottom of the clutch chuck 74. A linkage disc 61 is fitted inside the limiting ring 75. Specifically, the iron core 73 is conducive to concentrating and guiding the magnetic field, enhancing the magnetic field strength, and enabling the magnetic lines of force to effectively act on other components.

[0026] The linkage plate 61 is fixed on the outside of the linkage cylinder 62. One end of the linkage cylinder 62 is fixedly connected to the torque sensor 76. One end of the torque sensor 76 is fixed with a friction plate 78. The limit ring 75 is welded to the support base 54 through several springs 77.

[0027] In this embodiment, the torque sensor 76 monitors the torque of the linkage cylinder 62 of the output shaft of the planetary gear assembly 4 in real time. When the detected torque exceeds the preset overload threshold, the controller 71 receives the signal and de-energizes the electromagnetic coil 72. The electromagnetic coil 72 loses its magnetic force, which causes the clutch chuck 74 to lose its attractive force. Under the rebound pull of the spring 77, it moves backward. The clutch chuck 74 drives the friction plate 78 away from the friction disc 55, thereby disconnecting the cooling drum 51 from the planetary gear assembly 4 and preventing the motor 31 and the mechanical structure from being damaged due to overload. Example 2

[0028] Based on the above embodiment 1, please refer to the appendix. Figure 4 The friction plate 78 and the friction disk 55 are symmetrically arranged, and the controller 71 is electrically connected to the electromagnetic coil 72 and the torque sensor 76.

[0029] The wire rope 52 passes through the traction plate 11, and the support seat 54 is fixed to the winch frame 1 by bolts.

[0030] The power assembly 3 includes a motor 31, one end of a transmission rod 32 is welded to the motor 31, and the other end of the transmission rod 32 is provided with a clamping plate 33. The clamping plate 33 is fitted with a chuck 34, and a number of fixing pins 35 are fitted on one side of the chuck 34.

[0031] The fixed pin 35 is engaged with the large planetary gear 41, the outer side of the large planetary gear 41 is engaged with the gear ring 42, the inner side of the large planetary gear 41 is engaged with the small planetary gear 43, and one end of the small planetary gear 43 is engaged with the gear plate 44.

[0032] The gear plate 44 is connected to the second planetary gear ring 46 via a pin 45. The second planetary gear ring 46 has a second small planetary gear 47 on its inner side. The second small planetary gear 47 is fixed to one end of the linkage cylinder 62 by screws.

[0033] In the embodiment, the motor 31 drives the transmission rod 32 to rotate, the transmission rod 32 drives the chuck 34 to rotate through the clamping plate 33, the chuck 34 realizes speed reduction and torque increase through the movement of the large planetary gear 41, the small planetary gear 43 and the second small planetary gear 43 matched with the gear ring 42, and finally drives the linkage cylinder 62 to rotate through the second small planetary gear 47, the linkage cylinder 62 drives the friction plate 78 to rotate, thereby acting on the friction disc 55 to form linkage through friction, and finally drives the cooling drum 51 to rotate to realize the winding and unwinding of the steel wire rope 52, and the vehicle is towed.

[0034] The working principle and use process of the utility model are as follows: when the automobile winch works, the motor 31 drives the transmission rod 32 to rotate, the transmission rod 32 drives the chuck 34 to rotate through the clamping plate 33, the chuck 34 drives the large planetary gear 41 to rotate through the fixed pin 35, the large planetary gear 41 drives the small planetary gear 43 to rotate under the limiting of the gear ring 42, the small planetary gear 43 drives the second planetary gear ring 46 to rotate through the tooth plate 44 matched with the pin 45, and then drives the second small planetary gear 47 to rotate;

[0035] The second small planetary gear 47 drives the friction plate 78 to rotate through the linkage cylinder 62, thereby acting on the friction disc 55 to form linkage through friction, and then drives the cooling drum 51 to rotate to realize the winding and unwinding of the steel wire rope 52, and the vehicle is towed;

[0036] When the linkage cylinder 62 rotates, the force distance sensor 76 rotates together, the force distance sensor 76 monitors the torque of the linkage cylinder 62 of the output shaft of the planetary gear assembly 4 in real time, when it is detected that the torque exceeds the preset overload threshold, a signal is immediately transmitted to the controller 71, after the controller 71 receives the signal, the electromagnetic coil 72 is controlled to be de-energized, the electromagnetic coil 72 loses magnetic force, thereby making the clutch suction cup 74 lose attraction force, under the rebound pull of the spring 77, the limiting ring 75 is displaced backward, the limiting ring 75 drives the friction plate 78 away from the friction disc 55 through the linkage disc 61, thereby making the cooling drum 51 disconnected with the planetary gear assembly 4, and the motor 31 and the mechanical structure are prevented from being damaged due to overload;

[0037] When the overload condition is removed, the torque sensor 76 detects that the torque returns to normal, transmits a signal to the controller 71, and the controller 71 controls the electromagnetic coil 72 to be re-energized, and the winch returns to normal work.

Claims

1. An adaptive torque control anti-overload vehicle winch, comprising a winch frame (1) and a control box (2) disposed above the winch frame (1), characterized in that, It also includes a power assembly (3), a planetary gear assembly (4), a drum assembly (5), a linkage assembly (6), and an overload protection assembly (7), wherein: The winch frame (1) is provided with a traction plate (11), and a handle (12) is provided above the traction plate (11). The winch frame (1) has an L-shaped structure. The drum assembly (5) includes a cooling drum (51), with a steel wire rope (52) wound around the outside of the cooling drum (51). Circular support plates (511) are provided at both ends of the cooling drum (51), and the circular support plates (511) are fitted with a cylinder (53). The cylinder (53) is located on one side of the support base (54), and a friction disc (55) is provided at one end of the cooling drum (51). The overload protection component (7) includes a controller (71), an electromagnetic coil (72) is provided on one side of the controller (71), an iron core (73) is nested inside the electromagnetic coil (72), a clutch chuck (74) is provided on one side of the iron core (73), a limiting ring (75) is fixedly connected to the bottom of the clutch chuck (74), and a linkage disc (61) is fitted inside the limiting ring (75).

2. The adaptive torque control anti-overload automobile winch according to claim 1, characterized in that: The linkage disc (61) is fixed on the outside of the linkage cylinder (62). One end of the linkage cylinder (62) is fixedly connected to a torque sensor (76). One end of the torque sensor (76) is fixed with a friction plate (78). The limiting ring (75) is welded to a support base (54) through several springs (77).

3. The adaptive torque control anti-overload automobile winch according to claim 2, characterized in that: The friction plate (78) and the friction disk (55) are symmetrically arranged, and the controller (71) is electrically connected to the electromagnetic coil (72) and the torque sensor (76).

4. The adaptive torque control anti-overload automobile winch according to claim 3, characterized in that: The wire rope (52) passes through the traction plate (11), and the support seat (54) is fixed to the winch frame (1) by bolts.

5. The adaptive torque control anti-overload automobile winch according to claim 1, characterized in that: The power assembly (3) includes a motor (31), one end of a transmission rod (32) is welded to the motor (31), and the other end of the transmission rod (32) is provided with a clamping plate (33), the clamping plate (33) is fitted with a chuck (34), and a number of fixing pins (35) are fitted on one side of the chuck (34).

6. The adaptive torque control anti-overload automobile winch according to claim 5, characterized in that: The fixed pin (35) engages with the large planetary gear (41), the outer side of the large planetary gear (41) engages with the gear ring (42), the inner side of the large planetary gear (41) engages with the small planetary gear (43), and one end of the small planetary gear (43) engages with the gear plate (44).

7. An adaptive torque control anti-overload automobile winch according to claim 6, characterized in that: The gear plate (44) is connected to the second planetary gear ring (46) by a pin (45). The second planetary gear ring (46) has a second small planetary gear (47) on its inner side. The second small planetary gear (47) is fixed to one end of the linkage cylinder (62) by screws.

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