Rectangular spring braking electric capstan

Abstract

The utility model belongs to the technical field of electric capstan, and particularly relates to a rectangular spring braking electric capstan which comprises a shell and a support, the support is fixedly connected to the lower end of the outer side of the shell, a roller is connected to the middle of the interior of the shell, and dragging mechanisms are connected to the inner end and the outer end of the shell. The dragging mechanism comprises a limiting unit and a driving unit, the limiting unit is arranged at the rear end of the support, the driving unit is arranged in the shell, the limiting unit comprises a connecting rod, a rectangular frame, a spring, a sliding rod, a circular shaft and a cylinder, and the connecting rod is connected to the rear end of the support. When the rectangular spring braking electric capstan is used, after the hook at the outer end of the steel wire rope is scraped to the outer end of an object needing to be dragged, the motor is started, the output shaft of the motor rotates to drive the rotating shaft to rotate, the roller is driven to rotate after transmission of the speed reducer, the steel wire rope at the outer end is wound, and the object is dragged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric winches, in particular to a rectangular spring brake electric winch. Background Art

[0002] An electric winch is a device used for traction, such as a car winch, which is used for self-rescue and rescue in harsh environments. Existing electric winches are mainly composed of structures such as a motor, a transmission shaft, a planetary gear reducer, and a winch drum. The planetary gear reducer connects the power between the motor and the winch drum, so that the rope wound on the winch drum can generate a large traction force to achieve the winch traction function. In addition to the traction function, electric winches are often equipped with a clutch mechanism in the planetary gear reducer to cut off the power connection between the motor and the winch drum, thereby facilitating the pulling operation of the winch drum rope.

[0003] The motor generally includes a steering controller that controls forward and reverse rotation. When the motor is installed in the motor housing of the winch, the steering controller is mostly located near the outer end of the housing, and the steering controller needs to be connected to the control circuit, which requires the motor housing to be designed with enough space to meet the wiring needs of the steering controller, resulting in a larger motor housing and poor heat dissipation. In addition, some electric winches ignore the wiring reliability of the steering controller in order to reduce the size, resulting in frequent circuit failures.

[0004] For example, in the electric winch disclosed in Chinese patent CN206172856U, the controller cover is provided with a lighting lamp connected to the control circuit, which is convenient for lighting operation during use. The color temperature of the lighting lamp is adjustable, so that a suitable color temperature can be selected according to the actual environment, and the lighting effect is higher. The utility model mainly optimizes and adjusts the structural layout of the existing winch, thereby maximizing space saving, improving the convenience, reliability and safety of use, and is suitable for use as an electric winch, or structural improvement of similar products.

[0005] However, the outer end of the existing winch is not provided with a structure for restricting the steel wire rope, so that the steel wire rope at the outer end is easy to loosen.

[0006] For this reason, we urgently need to provide a rectangular spring brake electric winch with a limiting structure. Utility Model Content

[0007] The utility model aims to provide a rectangular spring brake electric winch to solve the problem that the outer end of the existing winch proposed in the above background technology is not provided with a structure to limit the wire rope, so that the wire rope at the outer end is easy to loosen.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rectangular spring brake electric winch, comprising a shell and a bracket, the bracket is fixedly connected to the lower end of the outer side of the shell, a roller is connected to the middle position inside the shell, and a dragging mechanism is connected to the inner and outer ends of the shell, the dragging mechanism comprises a limiting unit and a driving unit, the limiting unit is arranged at the rear end of the bracket, and the driving unit is arranged inside the shell.

[0009] The limiting unit includes a connecting rod, a rectangular frame, a spring, a sliding rod, a round shaft and a cylinder. The connecting rod is connected to the rear end of the bracket, the rectangular frame is fixedly connected to the front and rear ends of the right side of the connecting rod, the spring is fixedly connected to the inner bottom end of the rectangular frame, the sliding rod is fixedly connected to the upper end of the spring, the round shaft is fixedly connected to the upper ends of the adjacent sides of the two sliding rods, and the cylinder is rotatably connected to the outer side of the round shaft.

[0010] A further improvement is that the outer side of the sliding rod is slidably connected to the inner side of the rectangular frame, so that when the spring bounces, the sliding rod can be driven to slide along the inner side of the rectangular frame.

[0011] A further improvement is that the front and rear sides of the cylinder are slidably connected to the adjacent sides of the two sliding rods, so that when the cylinder is located outside the circular axis and rotates, its front and rear ends are located between the sliding rods and rotate.

[0012] A further improvement is that a steel wire rope is sleeved on the outer side of the drum, and the outer side of the cylinder abuts against the outer side of the steel wire rope, so that when the drum rotates to drive the steel wire rope at the outer end to be retracted or released, the spring will cause the drum to keep squeezing the steel wire rope.

[0013] A further improvement is that the drive unit includes a motor, a rotating shaft, a reducer and a rectangular spring brake device, the motor is arranged at the inner left end of the shell, the rotating shaft is fixedly connected to the right end of the output shaft of the motor, the reducer is arranged at the inner right end of the motor, and the rectangular spring brake device is arranged at the right end of the reducer.

[0014] A further improvement is that the right end of the rotating shaft is connected to the left end of the reducer, and the right end of the drum is connected to the left end of the reducer, so that the motor is started and its output shaft rotates to drive the rotating shaft, and the drum is driven to rotate through the reducer to retract and release the wire rope at the outer end, thereby playing a dragging and traction role.

[0015] A further improvement is that mounting holes are provided at the left and right ends inside the connecting rod, and threaded grooves are provided at the left and right ends at the rear of the connecting rod, so that the connecting rod can be fixed to the rear end of the bracket by passing bolts through the mounting holes and then threading them into the threaded grooves.

[0016] In summary, the present application discloses a rectangular spring brake electric winch.

[0017] According to the technical solution, when the drum rotates to drive the steel wire rope at the outer end to be retracted or released, the spring will cause the drum to keep squeezing the steel wire rope, thereby preventing the steel wire rope wound on the outer side of the drum from loosening.

[0018] Furthermore, by starting the motor, the output shaft rotates to drive the rotating shaft, and the drum rotates through the reducer transmission, so that the steel wire rope at the outer end is retracted and released, which plays a role of dragging and traction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the main structure of the utility model;

[0020] Figure 2 This is a rear view of the main structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the shell of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the restriction unit of the utility model;

[0023] Figure 5 It is a schematic diagram of the spring structure of the utility model.

[0024] In the figure: 1, housing; 2, bracket; 3, roller; 401, connecting rod; 402, rectangular frame; 403, spring; 404, sliding rod; 405, round shaft; 406, cylinder; 501, motor; 502, rotating shaft; 503, reducer; 504, rectangular spring brake device. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0027] Embodiment 1:

[0028] A rectangular spring brake electric winch comprises a shell 1 and a bracket 2, wherein the bracket 2 is fixedly connected to the lower end of the outer side of the shell 1, a roller 3 is connected to the middle position inside the shell 1, and a dragging mechanism is connected to the inner and outer ends of the shell 1. The dragging mechanism comprises a limiting unit and a driving unit, wherein the limiting unit is arranged at the rear end of the bracket 2, and the driving unit is arranged inside the shell 1.

[0029] The limiting unit includes a connecting rod 401, a rectangular frame 402, a spring 403, a sliding rod 404, a round shaft 405 and a cylinder 406. The connecting rod 401 is connected to the rear end of the bracket 2. Mounting holes are provided at the left and right ends of the connecting rod 401. Threaded grooves are provided at the left and right ends of the rear of the connecting rod 401. The connecting rod 401 can be fixed to the rear end of the bracket 2 by passing a bolt through the mounting hole and then threading it into the threaded groove.

[0030] The rectangular frame 402 is fixedly connected to the front and rear ends of the right side of the connecting rod 401, the spring 403 is fixedly connected to the inner bottom end of the rectangular frame 402, the sliding rod 404 is fixedly connected to the upper end of the spring 403, the round shaft 405 is fixedly connected to the upper end of the adjacent side of the two sliding rods 404, and the cylinder 406 is rotatably connected to the outer side of the round shaft 405. The outer side of the sliding rod 404 is slidably connected to the inner side of the rectangular frame 402. Therefore, when the spring 403 bounces, it can drive the sliding rod 404 to slide along the inner side of the rectangular frame 402, thereby limiting the movement of the sliding rod 404.

[0031] The front and rear sides of the cylinder 406 are slidably connected to the adjacent sides of the two sliding rods 404. Thus, when the cylinder 406 is located outside the circular shaft 405 and rotates, its front and rear ends are located between the sliding rods 404 and rotate, thereby limiting the position of the cylinder 406.

[0032] The outer side of the drum 3 is sleeved with a steel wire rope, and the outer side of the cylinder 406 abuts against the outer side of the steel wire rope. Therefore, when the drum 3 rotates to drive the outer end of the steel wire rope to be retracted or released, the spring 403 will cause the cylinder 406 to keep squeezing the steel wire rope, thereby preventing the steel wire rope wound on the outer side of the drum 3 from loosening.

[0033] Embodiment 2:

[0034] On the basis of the first embodiment: the driving unit includes a motor 501, a rotating shaft 502, a reducer 503 and a rectangular spring brake device 504, the motor 501 is arranged at the left end inside the housing 1, the rotating shaft 502 is fixedly connected to the right end of the output shaft of the motor 501, the reducer 503 is arranged at the right end inside the motor 501, and the rectangular spring brake device 504 is arranged at the right end of the reducer 503. The right end of the rotating shaft 502 is connected to the left end of the reducer 503, and the right end of the drum 3 is connected to the left end of the reducer 503. Thus, the motor 501 is started, and its output shaft rotates to drive the rotating shaft 502 to rotate, and the reducer 503 drives the drum 3 to rotate, and the steel wire rope at the outer end is retracted and released, which plays a role of dragging and traction.

[0035] Working principle: When in use, after the hook at the outer end of the wire rope is scraped to the outer end of the object to be dragged, the motor 501 is started and its output shaft rotates to drive the rotating shaft 502 to rotate, and after being transmitted by the reducer 503, the roller 3 is driven to rotate, the wire rope at the outer end is wound up, and the object is dragged and pulled.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A rectangular spring brake electric winch, comprising a housing (1) and a bracket (2), wherein the bracket (2) is fixedly connected to the lower end of the outer side of the housing (1), characterized in that: A roller (3) is connected to the middle position of the shell (1), and a dragging mechanism is connected to the inner and outer ends of the shell (1), wherein the dragging mechanism comprises a limiting unit and a driving unit, wherein the limiting unit is arranged at the rear end of the bracket (2), and the driving unit is arranged inside the shell (1); The limiting unit comprises a connecting rod (401), a rectangular frame (402), a spring (403), a sliding rod (404), a circular shaft (405) and a cylinder (406), wherein the connecting rod (401) is connected to the rear end of the bracket (2), the rectangular frame (402) is fixedly connected to the front and rear ends of the right side of the connecting rod (401), the spring (403) is fixedly connected to the inner bottom end of the rectangular frame (402), the sliding rod (404) is fixedly connected to the upper end of the spring (403), the circular shaft (405) is fixedly connected to the upper ends of the adjacent sides of the two sliding rods (404), and the cylinder (406) is rotatably connected to the outer side of the circular shaft (405).

2. A rectangular spring brake electric winch according to claim 1, characterized in that: The outer side of the sliding rod (404) is slidably connected to the inner side of the rectangular frame (402).

3. A rectangular spring brake electric winch according to claim 1, characterized in that: The front and rear sides of the cylinder (406) are slidably connected to the adjacent sides of the two sliding rods (404).

4. A rectangular spring brake electric winch according to claim 1, characterized in that: The outer side of the drum (3) is sleeved with a steel wire rope, and the outer side of the cylinder (406) abuts against the outer side of the steel wire rope.

5. A rectangular spring brake electric winch according to claim 1, characterized in that: The driving unit comprises a motor (501), a rotating shaft (502), a reducer (503) and a rectangular spring brake device (504); the motor (501) is arranged at the left end inside the housing (1); the rotating shaft (502) is fixedly connected to the right end of the output shaft of the motor (501); the reducer (503) is arranged at the right end inside the motor (501); and the rectangular spring brake device (504) is arranged at the right end of the reducer (503).

6. A rectangular spring brake electric winch according to claim 5, characterized in that: The right end of the rotating shaft (502) is connected to the left end of the reducer (503), and the right end of the roller (3) is connected to the left end of the reducer (503).

7. A rectangular spring brake electric winch according to claim 5, characterized in that: The connecting rod (401) has mounting holes at both left and right ends inside, and threaded grooves at both left and right ends at the rear of the connecting rod (401).

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