Hydraulic control unit of winch

Abstract

The utility model discloses a hydraulic control unit of a winch, which comprises a winch seat, a wind-up roller is rotatably connected in the winch seat, a cable is wound on the outer side of the wind-up roller, a hydraulic motor is connected to one end of the winch seat corresponding to one side of the wind-up roller through a bolt, a liquid inlet pipe is connected to one side of the bottom end of the hydraulic motor in a clamping manner, and a liquid outlet pipe is connected to the other side of the bottom end of the hydraulic motor. The anti-blocking hydraulic oil filter is scientific and reasonable in structure and safe and convenient to use, a filtering anti-blocking mechanism is arranged, hydraulic oil is filtered through a net barrel in the filter barrel, impurities are blocked in the filter barrel, the filter barrel is prevented from being blocked, and the anti-blocking hydraulic oil filter has the advantages that the anti-blocking hydraulic oil filter is simple in structure, convenient to use and high in practicability. In addition, an impeller is pushed by oil pressure to rotate, the impeller drives a cross plate and a rotating ring to rotate, then the rotating ring drives a connecting rod and a scraping plate to rotate, the outer side of the net cylinder is cleaned, impurities are prevented from being accumulated on the outer side of the net cylinder, and the filtering effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic winch equipment, in particular to a hydraulic control unit of a winch. Background Art

[0002] Hydraulic winch is a common equipment used for disaster relief and vehicle self-rescue. It is generally composed of a main frame, a drum, a hydraulic motor, a reduction transmission device, a rope arrangement device, a wire rope and other parts. It uses a hydraulic motor as the power source, transmits hydraulic oil through a high-pressure hose, and then "decelerates and increases torque" through a reduction transmission device, thereby driving a larger load;

[0003] However, after long-term use, it is not convenient to filter and clean the oil of the existing hydraulic winch. Impurities generated by internal wear mix with the hydraulic oil and deteriorate to produce colloidal impurities, which affect the quality. Therefore, in order to avoid the above-mentioned technical problems, it is necessary to provide a hydraulic control unit for the winch to overcome the above-mentioned defects in the prior art. Utility Model Content

[0004] The utility model provides a hydraulic control unit for a winch, which can effectively solve the problem in the above background technology that after long-term use, it is inconvenient to filter and clean the oil, and impurities generated by internal wear mix with the hydraulic oil and deteriorate to produce colloidal impurities, which affects the quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic control unit of a winch, comprising a winch seat, a winding roller is rotatably connected inside the winch seat, and a cable is wound on the outside of the winding roller, a hydraulic motor is connected to one end of the winch seat at a position corresponding to one side of the winding roller through bolts, a liquid inlet pipe is clamped at one side of the bottom end of the hydraulic motor, and a hydraulic pump is installed on the outside of the liquid inlet pipe, a liquid discharge pipe is clamped at one side of the bottom end of the hydraulic motor corresponding to the position of the liquid inlet pipe, and a filter anti-blocking mechanism is arranged at one end of the winch seat, and the filter anti-blocking mechanism comprises a connecting pipe, a filter cylinder, a fixing ring, a mesh cylinder, a swivel, a connecting rod, a scraper, a cross plate, an impeller and an oil storage tank;

[0006] Connecting pipes are equidistantly connected to the inside of the capstan seat, an oil storage tank is connected to one end of the two connecting pipes at a position corresponding to the inside of the capstan seat, and a filter cartridge is threadedly connected to one side of a connecting pipe at one end of the capstan seat, a fixing ring is connected to one side of the inner wall of the filter cartridge, a mesh cylinder is threadedly connected to the inner wall of the fixing ring, one end of the fixing ring and the inner wall of the filter cartridge are rotatably connected to a swivel, connecting rods are equidistantly connected between the two swivels at positions corresponding to the outer sides of the mesh cylinder, a scraper is connected to the outer side of the connecting rod, a cross plate is connected to the inner wall of one of the swivels, and an impeller is connected to one end of the cross plate.

[0007] Preferably, a positioning and anti-collision mechanism is arranged inside the capstan seat at a position corresponding to the outer side of the oil storage tank, and the positioning and anti-collision mechanism comprises a placement groove, a screw rod, a slide plate, a clamping plate, a fixing block, a push rod, a side pressure plate, a support spring and a cover plate;

[0008] A placement groove is provided inside the capstan seat at a position corresponding to the outer side of the oil storage tank, and screw rods are symmetrically and rotatably connected to the inner wall of the placement groove on both sides, and slide plates are symmetrically sleeved on the outer sides of the two screw rods through threads, and clamping plates are clamped on the opposite ends of the two slide plates on the same screw rod, and fixed blocks are clamped on the top end and the bottom end of the slide plate, and push rods are equidistantly and movably connected to the inside of the two fixed blocks, and a side pressure plate is clamped on one end of the push rod, and support springs are clamped between the side pressure plate and the fixed block at a position corresponding to the outer side of the push rod, and a cover plate is installed on the top of the placement groove.

[0009] Preferably, one end of the connecting pipe is fixedly connected to one end of the liquid inlet pipe, one end of the liquid discharge pipe is fixedly connected to one end of the filter cylinder, one end of the scraper is in contact with the outer side of the mesh cylinder, and the hydraulic pump is powered by an external power supply.

[0010] Preferably, one end of the slide plate is slidably connected to the inner wall of the placement groove, the threads at the two outer ends of the screw have opposite rotation directions, one end of the clamping plate is in contact with one end of the oil storage tank, one end of the side pressure plate is in contact with one end of the oil storage tank, and a buffer pad is clamped on the bottom end of the cover plate and the bottom end of the placement groove.

[0011] Preferably, a positioning block is symmetrically clamped at one end of the capstan seat, and positioning pins are equidistantly connected to the inside of the two positioning blocks through threads, and splicing plates are threadedly sleeved at the outer sides of the positioning pins corresponding to the top and bottom positions of the positioning blocks, and a protective cover is clamped between the two splicing plates located on the same plane.

[0012] Preferably, the two protective covers are tightly fitted, and through holes are provided at one end of the protective cover corresponding to the outer side of the liquid inlet pipe and the outer side of the liquid discharge pipe.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0014] 1. A filtering and anti-blocking mechanism is set up. The hydraulic oil is filtered through the mesh cylinder inside the filter cylinder, so that impurities are blocked inside the filter cylinder to ensure the quality of the hydraulic oil inside the oil storage tank. In addition, the oil pressure drives the impeller to rotate, so that the impeller drives the cross plate and the swivel to rotate, and then the swivel drives the connecting rod and the scraper to rotate, and the outside of the mesh cylinder is cleaned to prevent impurities from accumulating on the outside of the mesh cylinder, thereby ensuring the filtering effect.

[0015] 2. A positioning and anti-collision mechanism is provided. By rotating the screw rod, the slide plate is driven to slide on the inner wall of the placement groove, and the distance between the two clamps on the same side is adjusted, so that the clamps can clamp and position the oil storage tank. At the same time, the side pressure plate and the push rod are pushed to move through the telescopic characteristics of the support spring to support and limit the side of the oil storage tank, which further improves the stability of the oil storage tank inside the placement groove and reduces collisions.

[0016] 3. A positioning block, a positioning pin, a splicing plate and a protective cover are provided. The splicing plate is conveniently connected to one another through a screw and fixed to the top and bottom ends of the positioning block, forcing the two protective covers to be tightly spliced ​​together to protect the hydraulic pump and the filter cartridge from damage and affect the delivery of the hydraulic oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the attached picture:

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the installation structure of the oil storage tank of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the filtering and anti-blocking mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the positioning and anti-collision mechanism of the utility model;

[0023] Figure 5 This utility model Figure 1 Schematic diagram of the structure of the middle A area;

[0024] Numbers in the figure: 1, capstan seat; 2, winding roller; 3, cable; 4, hydraulic motor; 5, liquid inlet pipe; 6, hydraulic pump; 7, liquid discharge pipe;

[0025] 8. Filter anti-blocking mechanism; 801. Connecting pipe; 802. Filter cartridge; 803. Fixed ring; 804. Net cartridge; 805. Rotating ring; 806. Connecting rod; 807. Scraper; 808. Cross plate; 809. Impeller; 810. Oil storage tank;

[0026] 9. Positioning and anti-collision mechanism; 901. Placement slot; 902. Screw; 903. Slide plate; 904. Clamp; 905. Fixing block; 906. Push rod; 907. Side pressure plate; 908. Support spring; 909. Cover plate;

[0027] 10. Positioning block; 11. Positioning pin; 12. Splicing plate; 13. Protective cover. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0029] Example: Figure 1-5 As shown, the utility model provides a technical solution, a hydraulic control unit of a winch, including a winch seat 1, a winding roller 2 is rotatably connected inside the winch seat 1, and a cable 3 is wound on the outside of the winding roller 2, a hydraulic motor 4 is bolted to a position corresponding to one side of the winding roller 2 at one end of the winch seat 1, a liquid inlet pipe 5 is clamped at a position on one side of the bottom end of the hydraulic motor 4, and a hydraulic pump 6 is installed on the outside of the liquid inlet pipe 5, a liquid discharge pipe 7 is clamped at a position on one side of the liquid inlet pipe 5 at the bottom end of the hydraulic motor 4, and a filter anti-blocking mechanism 8 is arranged at one end of the winch seat 1, and the filter anti-blocking mechanism 8 includes a connecting pipe 801, a filter cylinder 802, a fixing ring 803, a net cylinder 804, a swivel 805, a connecting rod 806, a scraper 807, a cross plate 808, an impeller 809 and an oil storage tank 810;

[0030] The capstan seat 1 is equidistantly connected with connecting pipes 801, and one end of the two connecting pipes 801 is connected with an oil storage tank 810 at a position inside the capstan seat 1, and one end of the capstan seat 1 corresponds to a connecting pipe 801. A filter cartridge 802 is connected to the one side of the connecting pipe 801 through a thread, and a fixing ring 803 is connected to the one side of the inner wall of the filter cartridge 802. The inner wall of the fixing ring 803 is connected with a net cylinder 804 through a thread, and one end of the fixing ring 803 and the inner wall of the filter cartridge 802 are both rotatably connected with a swivel 805, and the two swivels 805 are connected. Connecting rods 806 are equidistantly connected to the outer positions of the corresponding net cylinder 804, and a scraper 807 is connected to the outer side of the connecting rod 806. A cross plate 808 is connected to the inner wall of a rotating ring 805, and an impeller 809 is connected to one end of the cross plate 808. In order to facilitate the filtering of the hydraulic oil, one end of a connecting pipe 801 is fixedly connected to one end of the liquid inlet pipe 5, one end of the liquid discharge pipe 7 is fixedly connected to one end of the filter cylinder 802, one end of the scraper 807 is in contact with the outer side of the net cylinder 804, and the hydraulic pump 6 is powered by an external power supply.

[0031] A positioning and anti-collision mechanism 9 is provided inside the capstan seat 1 at a position corresponding to the outer side of the oil storage tank 810, and the positioning and anti-collision mechanism 9 includes a placement groove 901, a screw rod 902, a slide plate 903, a clamping plate 904, a fixing block 905, a top rod 906, a side pressure plate 907, a support spring 908 and a cover plate 909;

[0032] A placement groove 901 is provided inside the capstan seat 1 at a position corresponding to the outer side of the oil storage tank 810, and screw rods 902 are symmetrically connected to the inner wall of the placement groove 901 on both sides, and slide plates 903 are symmetrically sleeved on the outer sides of the two screw rods 902 through threads, and the two slide plates 903 on the same screw rod 902 are clamped with clamping plates 904 at opposite ends, and the top end and the bottom end of the slide plate 903 are clamped with fixed blocks 905, and the two fixed blocks 905 are equidistantly connected to the inside of the two fixed blocks 905, and a side pressure plate 907 is clamped at one end of the push rod 906. Support springs 908 are clamped at the positions on the outside of the corresponding push rods 906 between the plate 907 and the fixed block 905, and a cover plate 909 is installed at the top of the placement groove 901. In order to facilitate the positioning of the oil storage tank 810, one end of the slide plate 903 is slidably connected to the inner wall of the placement groove 901, and the threads at the two ends of the outer side of the screw rod 902 rotate in opposite directions. One end of the clamping plate 904 is in contact with one end of the oil storage tank 810, and one end of the side pressure plate 907 is in contact with one end of the oil storage tank 810. The bottom end of the cover plate 909 and the bottom end of the inside of the placement groove 901 are clamped with a buffer pad.

[0033] A positioning block 10 is symmetrically clamped at one end of the capstan seat 1, and positioning pins 11 are equidistantly connected inside the two positioning blocks 10 through threads. Splicing plates 12 are threadedly sleeved at the outside of the positioning pins 11 corresponding to the top and bottom positions of the positioning blocks 10, and a protective cover 13 is clamped between the two splicing plates 12 located on the same plane. In order to facilitate the protection of the hydraulic pump 6, the two protective covers 13 are tightly fitted, and through holes are opened at one end of the protective cover 13 corresponding to the outside of the liquid inlet pipe 5 and the outside of the liquid discharge pipe 7.

[0034] The working principle and use process of the utility model are as follows: first, the hydraulic pump 6 is started to send the hydraulic oil in the oil storage tank 810 into the hydraulic motor 4 through the liquid inlet pipe 5 and the connecting pipe 801, so that the hydraulic motor 4 is driven to rotate by the hydraulic pressure, and the winding roller 2 is driven to rotate to reel the cable 3, and then the hydraulic oil in the hydraulic motor 4 is sent back to the oil storage tank 810 by the discharge pipe 7 and the connecting pipe 801 to form a cycle, which continuously drives the hydraulic motor 4 to rotate. At the same time, in the process of returning the hydraulic oil, the hydraulic oil is filtered through the mesh cylinder 804 inside the filter cylinder 802, so that impurities are blocked inside the filter cylinder 802, thereby ensuring the quality of the hydraulic oil in the oil storage tank 810. In addition, the oil pressure drives the impeller 809 to rotate, so that the impeller 809 drives the cross plate 808 and the swivel 805 to rotate, and then the swivel 805 drives the connecting rod 806 and the scraper 807 to rotate, and the outside of the mesh cylinder 804 is cleaned to prevent impurities from accumulating outside the mesh cylinder 804, thereby ensuring the filtering effect.

[0035] Next, by rotating the screw rod 902, the slide plate 903 is driven to slide on the inner wall of the placement groove 901, and the distance between the two clamping plates 904 on the same side is adjusted, so that the clamping plates 904 can clamp and position the oil storage tank 810. At the same time, the side pressure plate 907 and the push rod 906 are pushed to move through the telescopic characteristics of the support spring 908, so as to support and limit the side of the oil storage tank 810, thereby further improving the stability of the oil storage tank 810 in the placement groove 901 and reducing collisions.

[0036] Finally, the locating pin 11 is used to conveniently dock the splicing plate 12 together and fix it at the top and bottom of the locating block 10, forcing the two protective covers 13 to be tightly spliced ​​together to protect the hydraulic pump 6 and the filter cartridge 802 from damage that would affect the delivery of the hydraulic oil.

[0037] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A hydraulic control unit for a winch, comprising a winch seat (1), characterized in that: The winch seat (1) is rotatably connected to a winding roller (2) inside, and a cable (3) is wound around the outside of the winding roller (2); a hydraulic motor (4) is bolted to one end of the winch seat (1) at a position corresponding to one side of the winding roller (2); a liquid inlet pipe (5) is clamped to one side of the bottom end of the hydraulic motor (4), and a hydraulic pump (6) is installed on the outside of the liquid inlet pipe (5); a liquid discharge pipe (7) is clamped to one side of the bottom end of the hydraulic motor (4) at a position corresponding to one side of the liquid inlet pipe (5); a filtering and anti-blocking mechanism (8) is provided at one end of the winch seat (1); the filtering and anti-blocking mechanism (8) comprises a connecting pipe (801), a filter cylinder (802), a fixing ring (803), a mesh cylinder (804), a rotating ring (805), a connecting rod (806), a scraper (807), a cross plate (808), an impeller (809) and an oil storage tank (810); The capstan seat (1) is equidistantly connected with connecting pipes (801), one end of the two connecting pipes (801) is connected with an oil storage tank (810) at a position corresponding to the inside of the capstan seat (1), and a filter cartridge (802) is connected to one side of a connecting pipe (801) at one end of the capstan seat (1) via a thread, a fixing ring (803) is connected to one side of the inner wall of the filter cartridge (802), and a mesh cartridge is connected to the inner wall of the fixing ring (803) via a thread. (804), one end of the fixed ring (803) and the inner wall of the filter cylinder (802) are rotatably connected with a rotating ring (805), connecting rods (806) are equidistantly clamped at positions on the outer side of the mesh cylinder (804) corresponding to the two rotating rings (805), a scraper (807) is clamped on the outer side of the connecting rod (806), a cross plate (808) is clamped on the inner wall of one of the rotating rings (805), and an impeller (809) is clamped on one end of the cross plate (808).

2. A hydraulic control unit for a winch according to claim 1, characterized in that: A positioning and anti-collision mechanism (9) is arranged inside the capstan seat (1) at a position corresponding to the outer side of the oil storage tank (810), and the positioning and anti-collision mechanism (9) comprises a placement groove (901), a screw rod (902), a slide plate (903), a clamping plate (904), a fixing block (905), a push rod (906), a side pressure plate (907), a support spring (908) and a cover plate (909); A placement groove (901) is provided inside the capstan seat (1) at a position corresponding to the outer side of the oil storage tank (810), and screw rods (902) are symmetrically rotatably connected to the inner walls of the placement groove (901). Slide plates (903) are symmetrically sleeved on the outer sides of the two screw rods (902) through threads, and the two slide plates (903) on the same screw rod (902) are clamped with clamping plates (904) at opposite ends. The top end and the bottom end of the slide plate (903) are clamped with fixed blocks (905), and the insides of the two fixed blocks (905) are equidistantly and movably connected with push rods (906), and one end of the push rod (906) is clamped with a side pressure plate (907), and a support spring (908) is clamped between the side pressure plate (907) and the fixed block (905) at a position corresponding to the outer side of the push rod (906), and a cover plate (909) is installed at the top of the placement groove (901).

3. The hydraulic control unit of a winch according to claim 1, characterized in that: One end of the connecting pipe (801) is fixedly connected to one end of the liquid inlet pipe (5), one end of the liquid discharge pipe (7) is fixedly connected to one end of the filter cylinder (802), one end of the scraper (807) is in contact with the outside of the net cylinder (804), and the hydraulic pump (6) is powered by an external power supply.

4. A hydraulic control unit for a winch according to claim 2, characterized in that: One end of the slide plate (903) is slidably connected to the inner wall of the placement groove (901), the threads at the two outer ends of the screw rod (902) rotate in opposite directions, one end of the clamping plate (904) is in contact with one end of the oil storage tank (810), one end of the side pressure plate (907) is in contact with one end of the oil storage tank (810), and a buffer pad is clamped at the bottom end of the cover plate (909) and the bottom end of the inside of the placement groove (901).

5. The hydraulic control unit of a winch according to claim 1, characterized in that: A positioning block (10) is symmetrically clamped at one end of the capstan seat (1), and positioning pins (11) are equidistantly connected to the inside of the two positioning blocks (10) through threads, and splicing plates (12) are threadedly sleeved at the outer sides of the positioning pins (11) at the top and bottom positions of the positioning blocks (10), and a protective cover (13) is clamped between the two splicing plates (12) located on the same plane.

6. A hydraulic control unit for a winch according to claim 5, characterized in that: The two protective covers (13) fit tightly together, and one end of the protective cover (13) is provided with through holes corresponding to the outside of the liquid inlet pipe (5) and the outside of the liquid discharge pipe (7).

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