Self-locking type electric capstan

Abstract

The utility model relates to the technical field of electric capstan, in particular to a self-locking type electric capstan. Comprising a winch frame, a driving motor is installed on one side of the winch frame, a lifting hook is wound on the arc surface of the inner wall of the winch frame, the output end of the driving motor is fixedly connected with a rotating shaft, the rotating shaft is located on the inner wall of the winch frame, and the arc surface of one end of the rotating shaft is rotationally connected with the side wall of the winch frame; a limiting mechanism is arranged on the surface of the side, away from the driving motor, of the winch frame and comprises a limiting rod, one end of the limiting rod is fixedly connected with the side wall of the winch frame, a rotating frame is rotationally connected to the arc surface of the limiting rod, and a fixed gear is fixedly connected to the inner wall of the rotating frame; and one end of the rotating shaft is fixedly connected with a gear shaft. The self-locking type electric capstan has the advantage that the whole electric capstan can be conveniently and quickly subjected to self-locking and limiting.

Description

Technical Field

[0001] The utility model relates to the technical field of electric winches, in particular to a self-locking electric winch. Background Art

[0002] The electric winch is mainly composed of a motor, a drive shaft, a winch drum, a brake assembly and a reduction gearbox. The electric winch is a device that can be used for traction. Many of them are used in cars, such as car winches. They are mostly used for self-rescue or rescue in harsh environments and are more common in daily life.

[0003] Existing technologies include the utility model with announcement number CN212269309U, which discloses an electric winch. The patent includes a motor, a roller, a handle rod, and a reducer assembly. A baffle is connected between the motor and the roller, and between the roller and the reducer assembly. The motor includes a motor body, a motor housing bracket, a rectangular spring sleeve, a coupling assembly, a first-stage star wheel assembly, a hexagonal transmission rod, and a rectangular spring that are connected in the rectangular spring sleeve. The reducer assembly includes a housing bracket, a clutch, a second-stage star wheel assembly, and a third-stage star wheel assembly. A spring washer is connected between the baffle and the motor housing bracket. The baffle is fixed to the motor housing bracket by two M6 screws. A sealing groove is provided in the baffle, and an O-ring is provided in the sealing groove. A roller protective ring and a hub bearing connected to the roller protective ring are provided on the baffle and the reducer assembly, and the roller is connected to the wheel bearing.

[0004] In daily life, it is found that when operating an electric winch, it is usually necessary to stretch and wind the wire rope in the electric winch. At this time, the rotating shaft in the winch needs to be continuously rotated. When used for a long time, the electric winch will over-rotate, causing the entire electric winch to be damaged and unable to continue to be used. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that during the operation of an electric winch, the steel wire rope in the electric winch usually needs to be stretched and wound, and the rotating shaft in the winch needs to be continuously rotated. When used for a long time, the electric winch will over-rotate, causing the entire electric winch to be damaged and unable to continue to be used.

[0006] In order to solve the above technical problems, the utility model provides a self-locking electric winch, comprising: a winch frame, a driving motor is installed on one side of the winch frame, a steel rope is wound on the arc surface of the inner wall of the winch frame, one end of the steel rope is fixedly connected to a hook, the output end of the driving motor is fixedly connected to a rotating shaft, the rotating shaft is located on the inner wall of the winch frame, the arc surface of one end of the rotating shaft is rotatably connected to the side wall of the winch frame, and a limiting mechanism is provided on the side surface of the winch frame away from the driving motor, the limiting mechanism includes a limiting rod, one end of the limiting rod is fixedly connected to the side wall of the winch frame The gear shaft is fixedly connected to the gear axle of the driving mechanism, and the gear shaft is fixedly connected to the gear train of the driving mechanism, and the gear shaft is fixedly connected to the gear axle of the driving mechanism.

[0007] The effect achieved by the above components is: when the entire electric winch is in use, in order to facilitate the self-locking operation of the entire electric winch and avoid sliding and offsetting of the rotating shaft in the electric winch when the hook is stretched and reeled, the limiting mechanism set on the side wall of the winch frame can be used for assistance, and the fixed gear in the rotating frame and the gear shaft fixed at one end of the rotating shaft can be used for squeezing and limiting.

[0008] Preferably, the cross-section of the side where the moving block and the connecting block are close to each other is arc-shaped, and the moving block and the connecting block are hard alloy blocks.

[0009] The effect achieved by the above components is that the moving blocks and connecting blocks made of cemented carbide can be used for a long time without deformation.

[0010] Preferably, a connecting groove is provided on a side surface of the rotating frame close to the gear shaft, and a blocking rod is fixedly connected to a position on the side wall surface of the winch frame corresponding to the connecting groove.

[0011] The effect achieved by the above components is that when the position of the rotating frame is deflected, the engaging groove provided on one side of the rotating frame can be used to abut against the blocking rod for limiting the position.

[0012] Preferably, a sliding groove is provided on the side wall of the movable block, a guide rail is fixedly connected to the surface of the side wall of the winch frame, and the surface of the guide rail is slidably connected to the inner wall of the sliding groove.

[0013] The effect achieved by the above components is that the position of the moving block can be prevented from being offset by sliding between the slide groove and the guide rail.

[0014] Preferably, a protective mechanism is provided at the position of the limiting mechanism on the side wall of the winch frame, and the protective mechanism includes a protective frame, one side of the protective frame is in contact with the side wall surface of the winch frame, and the surface of the protective frame is fixedly connected with an acrylic plate, and both sides of the protective frame are fixedly connected with fixed blocks, and the cross-section of the fixed block is "U"-shaped, and the side wall surface of the winch frame is rotatably connected with a rotating rod, the arc surface of the rotating rod is clamped with the inner wall of the fixed block, and the arc surface of the rotating rod is threadedly connected with a fixed shaft.

[0015] The effect achieved by the above components is that during the use of the limiting mechanism of the entire winch frame side wall, it can be protected with the help of the protective frame, and the fixed blocks fixed on both sides of the protective frame and the rotating rods of the winch frame side wall are used to clamp and limit, so as to conveniently and effectively provide auxiliary protection for the entire limiting mechanism.

[0016] Preferably, the arc surface of the rotating rod is covered with a protective ring, one side of the protective ring abuts against the side wall of the fixed block, and one side of the fixed shaft abuts against the surface of the protective ring.

[0017] The effect achieved by the above components is that when the position of the fixed shaft is squeezed, the protective ring can be used for protection to prevent the fixed shaft from loosening and falling off.

[0018] Preferably, positioning holes are provided on the four corner surfaces of the protective frame, and four positioning posts are fixedly connected to the side wall surface of the winch frame, and the four positioning posts are respectively plugged into the inner walls of the positioning holes.

[0019] The effect achieved by the above components is that when the protective frame is used for protection, the positioning holes opened on the four corner surfaces of the protective frame can be plugged into the positioning columns fixed on the side wall surface of the winch frame for positioning limitation.

[0020] Compared with the related art, the self-locking electric winch provided by the present invention has the following beneficial effects:

[0021] The utility model provides a self-locking electric winch. When the entire electric winch is in use, in order to facilitate the self-locking operation of the entire electric winch and avoid sliding and offsetting of the rotating shaft in the electric winch when the hook is stretched and reeled, the limiting mechanism arranged on the side wall of the winch frame can be used for assistance. The electric push rod is used to squeeze the moving block and the connecting block on one side of the rotating frame, so as to effectively and conveniently adjust the position of the rotating frame. By operating the adjusting device, the rotating frame is rotated along the limiting rod and reset with the help of the torsional force generated by the winding spring. After that, the fixed gear in the rotating frame is clamped and fixed to the gear shaft to limit the position, which helps the entire electric winch to perform self-locking operation.

[0022] During the use of the limiting mechanism of the entire winch frame side wall, the protective frame can be used for protection, and the acrylic plate fixed on the surface of the protective frame can be used for observation. Then, the fixed blocks fixed on both sides of the protective frame are engaged with the rotating rod on the side wall of the winch frame for limiting, and then the fixed axis on the surface of the rotating rod and the fixed block are squeezed and fixed. By operating the auxiliary device, convenient and effective auxiliary protection of the entire limiting mechanism is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of a self-locking electric winch provided by the utility model;

[0024] Figure 2 for Figure 1 The structural diagram of the limiting mechanism shown;

[0025] Figure 3 for Figure 2 Schematic diagram of the split structure of the limiting mechanism shown;

[0026] Figure 4 for Figure 1 Schematic diagram of the structure of the protection mechanism shown.

[0027] Numbers in the figure: 1. Winch frame; 2. Driving motor; 3. Steel rope; 4. Limiting mechanism; 401. Gear shaft; 402. Limiting rod; 403. Coil spring; 404. Rotating frame; 405. Fixed gear; 406. Electric push rod; 407. Moving block; 408. Guide rail; 409. Slide groove; 410. Connecting block; 411. Baffle rod; 412. Connecting groove; 5. Protective mechanism; 51. Protective frame; 52. Fixed block; 53. Rotating rod; 54. Positioning column; 55. Positioning hole; 56. Protective ring; 57. Fixed shaft; 58. Acrylic plate; 6. Rotating shaft; 7. Hook. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0030] See also Figures 1 to 4The embodiment of the utility model provides a self-locking electric winch, comprising: a winch frame 1, a driving motor 2 is installed on one side of the winch frame 1, a steel rope 3 is wound on the arc surface of the inner wall of the winch frame 1, one end of the steel rope 3 is fixedly connected to a hook 7, the output end of the driving motor 2 is fixedly connected to a rotating shaft 6, the rotating shaft 6 is located on the inner wall of the winch frame 1, and the arc surface of one end of the rotating shaft 6 is rotatably connected to the side wall of the winch frame 1, a limiting mechanism 4 is provided on the surface of the side of the winch frame 1 away from the driving motor 2, and a protective mechanism 5 is provided on the side wall of the winch frame 1 corresponding to the limiting mechanism 4.

[0031] In the embodiments of the present invention, please refer to Figure 2 and Figure 3 The limiting mechanism 4 includes a limiting rod 402, one end of the limiting rod 402 is fixedly connected to the side wall of the winch frame 1, the arc surface of the limiting rod 402 is rotatably connected to the rotating frame 404, the inner wall of the rotating frame 404 is fixedly connected to the fixed gear 405, one end of the rotating shaft 6 is fixedly connected to the gear shaft 401, the cross-sectional size of the gear shaft 401 is adapted to the cross-sectional size of the fixed gear 405, the end surface of the rotating frame 404 away from the limiting rod 402 is fixedly connected to the connecting block 410, the side wall of the winch frame 1 is fixedly connected to the electric push rod 406, the output end of the electric push rod 406 is fixedly connected to the moving block 407, the surface of the moving block 407 is connected to the connecting block 410 The surfaces are in contact with each other, and the arc surface of the limit rod 402 is covered with a coil spring 403. The two ends of the coil spring 403 are fixedly connected to the rotating frame 404 and the limit rod 402 respectively. The cross-section of the side where the moving block 407 and the connecting block 410 are close to each other is arc-shaped. The moving block 407 and the connecting block 410 are hard alloy blocks. A connecting groove 412 is provided on the surface of the rotating frame 404 on the side close to the gear shaft 401. A blocking rod 411 is fixedly connected to the position of the side wall surface of the capstan frame 1 corresponding to the connecting groove 412. A sliding groove 409 is provided on the side wall of the moving block 407. The side wall surface of the capstan frame 1 is fixedly connected to a guide rail 408. The surface of the guide rail 408 is slidably connected to the inner wall of the sliding groove 409.

[0032] In the embodiments of the present invention, please refer to Figure 4The protective mechanism 5 includes a protective frame 51, one side of the protective frame 51 abuts against the side wall surface of the winch frame 1, and an acrylic plate 58 is fixedly connected to the surface of the protective frame 51. Fixed blocks 52 are fixedly connected on both sides of the protective frame 51. The cross-section of the fixed block 52 is "U"-shaped. The side wall surface of the winch frame 1 is rotatably connected to a rotating rod 53. The arc surface of the rotating rod 53 is clamped with the inner wall of the fixed block 52. The arc surface of the rotating rod 53 is threadedly connected with a fixed shaft 57. The arc surface of the rotating rod 53 is sleeved with a protective ring 56. One side of the protective ring 56 abuts against the side wall of the fixed block 52, and one side of the fixed shaft 57 abuts against the surface of the protective ring 56. Positioning holes 55 are provided on the four corner surfaces of the protective frame 51. Four positioning columns 54 are fixedly connected to the side wall surface of the winch frame 1. The four positioning columns 54 are respectively plugged into the inner walls of the positioning holes 55.

[0033] The working principle of a self-locking electric winch provided by the present invention is as follows: when the electric winch is in use, the rotating shaft 6 in the winch frame 1 can be self-locked. At this time, the electric push rod 406 is started first, and the moving block 407 fixed at the output end of the electric push rod 406 is allowed to slide along the guide rail 408 with the help of a slide groove 409 opened on one side, and then the moving block 407 will abut against the connecting block 410 on one side of the rotating frame 404, so that the connecting block 410 drives the rotating frame 404 to rotate along the limit rod 402 until the fixed gear 405 in the rotating frame 404 is engaged with the tooth surface of the gear shaft 401, and at the same time, the connecting groove 412 opened on one side of the rotating frame 404 will abut and fix with the blocking rod 411 to prevent the entire rotating frame 404 from excessive displacement.

[0034] When using the limiting mechanism 4, in order to facilitate protection, the protective frame 51 is first connected to the positioning columns 54 fixed to the side wall of the winch frame 1 with the help of the positioning holes 55 opened at the four corners, and then the rotating rod 53 is clamped with the fixed frame on the side wall of the protective frame 51, and then the fixed shaft 57 is rotated to abut against the fixed block 52. During this process, the protective ring 56 provided on the surface of the rotating rod 53 is used for protection to prevent the fixed shaft 57 from loosening and falling off.

[0035] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0036] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A self-locking electric winch, characterized in that: include: A winch frame (1) is provided, wherein a driving motor (2) is installed on one side of the winch frame (1), a steel rope (3) is wound around the arc surface of the inner wall of the winch frame (1), one end of the steel rope (3) is fixedly connected to a hook (7), an output end of the driving motor (2) is fixedly connected to a rotating shaft (6), the rotating shaft (6) is located on the inner wall of the winch frame (1), one end of the arc surface of the rotating shaft (6) is rotatably connected to the side wall of the winch frame (1), a limiting mechanism (4) is provided on the side surface of the winch frame (1) away from the driving motor (2), the limiting mechanism (4) comprises a limiting rod (402), one end of the limiting rod (402) is fixedly connected to the side wall of the winch frame (1), the arc surface of the limiting rod (402) is rotatably connected to a rotating frame (404), and the rotating frame (404) is fixedly connected to the rotating frame (404). 04) is fixedly connected to the inner wall of the winch frame (1), a fixed gear (405) is fixedly connected to one end of the rotating shaft (6), a gear shaft (401) is fixedly connected to one end of the rotating shaft (6), the cross-sectional size of the gear shaft (401) is adapted to the cross-sectional size of the fixed gear (405), a connecting block (410) is fixedly connected to the surface of one end of the rotating frame (404) away from the limiting rod (402), an electric push rod (406) is fixedly connected to the side wall of the winch frame (1), an output end of the electric push rod (406) is fixedly connected to a moving block (407), the surface of the moving block (407) is in contact with the surface of the connecting block (410), a coil spring (403) is sleeved on the arc surface of the limiting rod (402), and the two ends of the coil spring (403) are respectively fixedly connected to the rotating frame (404) and the limiting rod (402).

2. A self-locking electric winch according to claim 1, characterized in that: The cross-section of one side of the moving block (407) and the connecting block (410) where they are close to each other is in an arc shape, and the moving block (407) and the connecting block (410) are hard alloy blocks.

3. The self-locking electric winch according to claim 1, characterized in that: A connecting groove (412) is provided on a side surface of the rotating frame (404) close to the gear shaft (401), and a blocking rod (411) is fixedly connected to a position on the side wall surface of the capstan frame (1) corresponding to the connecting groove (412).

4. The self-locking electric winch according to claim 1, characterized in that: The side wall of the moving block (407) is provided with a slide groove (409), the side wall surface of the winch frame (1) is fixedly connected with a guide rail (408), and the surface of the guide rail (408) is slidably connected to the inner wall of the slide groove (409).

5. The self-locking electric winch according to claim 1, characterized in that: A protective mechanism (5) is provided at a position of the side wall of the winch frame (1) corresponding to the limiting mechanism (4), and the protective mechanism (5) comprises a protective frame (51), one side of the protective frame (51) abuts against the side wall surface of the winch frame (1), an acrylic plate (58) is fixedly connected to the surface of the protective frame (51), and both sides of the protective frame (51) are fixedly connected to fixed blocks (52), the cross section of the fixed blocks (52) is "U"-shaped, and the side wall surface of the winch frame (1) is rotatably connected to a rotating rod (53), the arc surface of the rotating rod (53) is clamped with the inner wall of the fixed block (52), and the arc surface of the rotating rod (53) is threadedly connected to a fixed shaft (57).

6. The self-locking electric winch according to claim 5, characterized in that: The arc surface of the rotating rod (53) is covered with a protective ring (56), one side of the protective ring (56) abuts against the side wall of the fixed block (52), and one side of the fixed shaft (57) abuts against the surface of the protective ring (56).

7. The self-locking electric winch according to claim 5, characterized in that: Positioning holes (55) are provided on the four corner surfaces of the protection frame (51), and four positioning columns (54) are fixedly connected to the side wall surface of the winch frame (1), and the four positioning columns (54) are respectively plugged into the inner walls of the positioning holes (55).

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