CN215101673U

CN215101673U - Light hydraulic capstan

Info

Publication number: CN215101673U
Application number: CN202120988494.4U
Authority: CN
Inventors: 俞芷琳
Original assignee: Zhejiang Runva Mechanical & Electrical Co ltd
Current assignee: Zhejiang Runva Mechanical & Electrical Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-10
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to a light-duty hydraulic capstan. The planetary gear type roller assembly comprises a motor, a roller assembly, a speed reducer bracket and a motor bracket, wherein the speed reducer bracket and the motor bracket are respectively arranged at two ends of the roller assembly; a balance valve is arranged at the upper part of the motor; a high-pressure copper pipe for transmitting hydraulic oil is arranged in the balance valve; between reduction gear support and motor support, the thick direction both sides of facade, each level of being close to the upper portion sets up a cylindrical handle portion, and each level sets up a crossbeam near the lower part, sets up the pressure rope ware subassembly of spiro union on the crossbeam, and this pressure rope ware subassembly can exchange the installation on two crossbeams according to the use needs. The utility model discloses a light-duty hydraulic capstan has adopted hydraulic control arresting gear, uses the powder metallurgy brake block, improves brake performance, and under the condition that the function was satisfied in the design, the light of still designing as far as possible makes its installation, use, maintenance convenient.

Description

Light hydraulic capstan

Technical Field

The utility model belongs to the technical field of automatic traction equipment, concretely relates to light-duty hydraulic capstan.

Background

Hydraulic capstan often applies to the vehicle, the ship saves oneself and rescues as draw gear, it possesses convenient to use, traction force is big, the characteristics that the fault rate is low, but current hydraulic capstan is for pursuing bigger traction force and traction distance, the great of general design, for not increasing weight, structurally just more single, it enters not to press the rope mechanism design of haulage rope, this is in the in-service use process, can cause the haulage rope to be in disorder and extrude, thereby influence the life of haulage rope, its system device in addition, some still adopt mechanical structure, slow on the reaction rate of its system, increase the wearing and tearing of system piece, maintenance cost has been increased.

Disclosure of Invention

In view of the above problems, the present invention provides a light hydraulic winch in which a brake device is controlled by a hydraulic system, and the volume of a passing oil reaction chamber is small, so that the braking effect is sensitive and quick, and a rope pressing device is added.

The invention aims to be realized by the following technical scheme: a light hydraulic capstan comprises a motor, a roller component, a speed reducer bracket and a motor bracket which are respectively arranged at two ends of the roller component, and is characterized in that a planetary wheel component and a brake component are arranged in the roller component; a balance valve is arranged at the upper part of the motor;

the brake assembly includes: a brake housing;

a high-pressure copper pipe for transmitting hydraulic oil is arranged in the balance valve;

the motor includes: a motor shaft; the motor shaft transversely penetrates through the brake shell, and the end part of the motor shaft is connected with a spline transmission shaft;

the brake assembly further includes: the friction spacers are coaxially arranged on the outer surface of the outer diameter of the spline transmission shaft; the brake pad plates are coaxial with the spline transmission shaft and are arranged on the outer surface of the inner diameter of the brake shell; and powder metallurgy brake pads arranged on two axial end faces of the brake pad plate; the pressing plate is arranged at one side of the brake shell, which is close to the speed reducer bracket, and the end part of the brake shell is provided with the pressing plate; and a piston disposed inside the brake housing adjacent one side of the motor bracket; the spring pressing plate is arranged on one side of the piston close to the motor support;

the piston is as follows: the outer diameter of the motor support is provided with a boss, a plurality of spring mounting holes are circumferentially arranged in an array on the end surface close to one side of the motor support, compression springs are correspondingly arranged in the spring mounting holes, and a spring pressing plate is arranged outside the spring mounting holes and is in a state of abutting against the compression springs;

each friction spacer is arranged between the two brake pad plates; the friction spacers and the brake pad plates are arranged from the pressure plate, the last brake pad plate is abutted against the end face of one side, far away from the motor support, of the piston, and the friction spacers and the brake pad plates are in a tightly-holding state through the elasticity of the compression spring;

the brake shell is provided with a pore canal communicated from the outside to the inside of the shell at the distance from the position close to the balance valve to the boss, and the pore canal is connected with a high-pressure copper pipe;

the balance valve injects hydraulic oil into the boss through the high-pressure copper pipe, the piston overcomes the elasticity of the compression spring and slides to one side of the spring pressing plate through the continuous injection of the hydraulic oil in the brake shell, and meanwhile, a gap is formed between the friction spacer and the brake pad plate, so that the friction spacer and the brake pad plate can move relatively.

The planet wheel assembly comprises: planet wheel driving plate, planet wheel backup pad and install between planet wheel driving plate and planet wheel backup pad, the three planet wheel of circumference array.

The end part of the spline transmission shaft is meshed with the planet wheel assembly.

Between reduction gear support and motor support, the thick direction both sides of facade, each level of being close to the upper portion sets up a cylindrical handle portion, and each level sets up a crossbeam near the lower part, sets up the pressure rope ware subassembly of spiro union on the crossbeam, and this pressure rope ware subassembly can exchange the installation on two crossbeams according to the use needs.

And a bearing seat is arranged on one side of the speed reducer support, the outer diameter surface of the bearing seat is connected with the inner diameter surface of one side of the roller component after the bearing is installed, and the inner diameter surface of the bearing seat is connected with a planet wheel transmission plate.

The rope pressing assembly comprises: the device comprises a bracket arranged on a beam, a torsion spring arranged on the bracket, a rotating arm plate clamped with the torsion spring and arranged on the bracket, and a pinch roller arranged at the upper end part of the rotating arm plate, wherein the axis of the pinch roller is parallel to the axis of a roller assembly; the pinch roller is installed behind the swing arm board, and through the elastic force of torsional spring, the pinch roller suppress at drum set's surface, and can follow self axis and rotate.

The other side of the roller component is connected with the brake shell through a bearing.

And a framework oil seal is arranged between the pressing plate and the spline transmission shaft.

Preferably, the light hydraulic winch controls the braking device through a hydraulic system, the volume of a passing oil reaction cavity is small, the braking effect is sensitive and quick, the brake pad adopts a powder metallurgy brake pad, the wear resistance is improved, and a rope pressing device is designed and added.

Preferably, the planet wheel is integrally installed in the roller assembly by being installed between the planet wheel transmission plate and the planet wheel supporting plate, so that the overall size is further reduced.

Preferably, the end part of the spline transmission shaft of the light hydraulic winch is meshed with the planet wheel assembly, so that the connection distance is short, and the torque loss is small.

Preferably, the light hydraulic winch is provided with a cylindrical handle part, so that the handle part can be conveniently taken up and put down, the lower part of the light hydraulic winch is provided with a beam for connecting the whole support, the integrity is enhanced, and the light hydraulic winch is also used for installing a rope pressing device assembly and mutually utilizing the whole mechanism.

Preferably, the light hydraulic winch is provided with a bearing seat, the inner diameter of the bearing seat is connected with a planetary gear transmission plate in an installing mode, and the outer diameter surface of the bearing seat is connected with the roller assembly after the bearing is installed.

Preferably, the rope pressing device assembly of the light hydraulic winch is used for pressing the pressing wheel on the outer surface of the roller assembly through the elastic acting force of the torsion spring, the structure is simple and practical, and the installation of the positions of the two cross beams can be changed.

Preferably, the drum assembly of the light hydraulic winch is connected with two ends of the brake shell through bearings, smooth rotation is guaranteed, the framework oil seal is arranged between the pressing plate and the spline transmission shaft, oil is prevented from being connected in series, and sealing performance is improved.

To sum up, compared with the prior art, the utility model has the following advantages:

the utility model discloses a light-duty hydraulic capstan has adopted hydraulic control arresting gear, uses the powder metallurgy brake block, improves brake performance, and under the condition that the function was satisfied in the design, the light of still designing as far as possible makes its installation, use, maintenance convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a full sectional view taken at A-A of FIG. 2;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

The labels in the figure are: 1. a motor; 11. a motor shaft; 2. a roller assembly; 3. a reducer bracket; 31. a bearing seat; 4. a motor bracket; 5. a planet wheel assembly; 51. a planet gear drive plate; 52. a planet wheel supporting plate; 53. a planet wheel; 6. a brake assembly; 61. a brake housing; 62. a friction spacer; 63. a brake pad plate; 64. powder metallurgy brake pads; 65. pressing a plate; 66. a piston; 661. a boss; 67. a spring pressing plate; 68. framework oil seal; 7. a balancing valve; 71. a high-pressure copper pipe; 8. a spline transmission shaft; 9. a cross beam; 91. a rope presser assembly; 911. a support; 912. a torsion spring; 913. a swing arm plate; 914. and a pinch roller.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1:

as shown in fig. 1 to 4, a light hydraulic winch comprises a motor 1, a roller assembly 2, and a reducer bracket 3 and a motor bracket 4 respectively disposed at two ends of the roller assembly 2, wherein a planetary wheel assembly 5 and a brake assembly 6 are disposed in the roller assembly 2; a balance valve 7 is arranged at the upper part of the motor 1;

the brake assembly 6 includes: a brake housing 61;

a high-pressure copper pipe 71 for transmitting hydraulic oil is arranged in the balance valve 7;

the motor 1 includes: a motor shaft 11; the motor shaft 11 transversely penetrates through the brake shell 61, and the end part of the motor shaft 11 is connected with a spline transmission shaft 8;

the brake assembly 6 further comprises: a plurality of friction spacers 62 coaxially arranged on the outer surface of the outer diameter of the spline transmission shaft 8; and a plurality of brake pad plates 63 which are coaxial with the spline transmission shaft 8 and are arranged on the outer surface of the inner diameter of the brake shell 61; and powder metallurgy brake pads 64 arranged on two axial end faces of the brake pad plate 63; a pressing plate 65 is arranged at the end part of the brake shell 61 close to the speed reducer bracket 3; and a piston 66 disposed inside the brake case 61 on the side close to the motor bracket 4; and a spring pressing plate 67 provided on a side of the piston 66 near the motor bracket 4;

the piston 66 is: the outer diameter of the motor support is provided with a boss 661, a plurality of spring mounting holes are circumferentially arrayed on the end surface close to one side of the motor support 4, compression springs are correspondingly arranged in the spring mounting holes, and a spring pressing plate 67 is arranged outside the spring mounting holes and is in a state of abutting against the compression springs;

each friction spacer 62 is arranged between two brake pad plates 63; the friction spacers 62 and the brake pad plates 63 are arranged from the pressure plate 65, the last brake pad plate 63 abuts against the end face of the piston 66 far away from the motor support 4, and the friction spacers 62 and the brake pad plates 63 are held tightly by the elasticity of the compression spring;

the brake shell 61 is provided with a pore channel communicated from the outside to the inside of the shell at the distance from the position close to the balance valve 7 to the boss 661, and the pore channel is connected with a high-pressure copper pipe 71;

the balance valve 7 injects hydraulic oil into the boss 661 through the high-pressure copper pipe 71, the piston 66 overcomes the elastic force of the compression spring to slide to one side of the spring pressing plate 67 through continuous injection of the hydraulic oil in the brake housing 61, and meanwhile, a gap between the friction spacer 62 and the brake pad plate 63 is in a state of relative movement.

The planet wheel assembly 5 comprises: a planet gear drive plate 51, a planet gear support plate 52, and a circumferential array of three planet gears 53 mounted between the planet gear drive plate 51 and the planet gear support plate 52.

The end part of the spline transmission shaft 8 is meshed and connected with the planet wheel assembly 5.

Between the speed reducer support 3 and the motor support 4, a cylindrical handle part is horizontally arranged on each side of the vertical surface in the plate thickness direction near the upper part, a cross beam 9 is horizontally arranged on each side near the lower part, a screwed rope pressing assembly 91 is arranged on the cross beam 9, and the rope pressing assembly 91 can be interchangeably arranged on the two cross beams according to the use requirement.

A bearing seat 31 is arranged on one side of the speed reducer bracket 3, the outer diameter surface of the bearing seat 31 is connected with the inner diameter surface of one side of the roller component 2 after the bearing is installed, and the inner diameter surface of the bearing seat 31 is connected with a planet wheel transmission plate 51.

The rope presser assembly 91 includes: a bracket 911 arranged on the beam 9, a torsion spring 912 arranged on the bracket 911, a rotating arm plate 913 clamped with the torsion spring 912 and arranged on the bracket 911, and a pinch roller 914 arranged at the upper end part of the rotating arm plate 913 and having an axis parallel to the axis of the roller assembly 2; after the pinch roller 914 is installed on the rotating arm plate 913, the pinch roller 914 is pressed on the outer surface of the roller assembly 2 by the elastic force of the torsion spring 912, and can rotate along the axis of the pinch roller.

The other side of the roller component 2 is connected with the brake shell 61 through a bearing, and the edge of the outer diameter surface of the roller component 2 is provided with a traction rope mounting hole 21.

And a framework oil seal 68 is arranged between the pressure plate 65 and the spline transmission shaft 8.

The working principle of the light hydraulic winch is as follows: through inserting outside oil supply unit, balanced valve 7 passes through high-pressure copper pipe 71, and to the boss (661) position entering of piston (66), the pressure of fluid will make and be the clearance between friction spacer (62) and brake block board (63) and can the relative movement state to make spline transmission shaft 8 can rotate along with motor shaft 11, thereby through the power of motor 1 and the deceleration of planet wheel subassembly 5, and then realize traction work. After the whole traction work is finished, the traction rope is pulled out, and after the cleaning is carried out, the rope is pressed on the traction rope through the rope pressing device assembly 91 to be orderly taken up.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A light hydraulic winch comprises a motor (1), a roller assembly (2), and a reducer bracket (3) and a motor bracket (4) which are respectively arranged at two ends of the roller assembly (2), and is characterized in that a planet wheel assembly (5) and a brake assembly (6) are arranged in the roller assembly (2); a balance valve (7) is arranged at the upper part of the motor (1);

the brake assembly (6) comprises: a brake housing (61);

a high-pressure copper pipe (71) for transmitting hydraulic oil is arranged in the balance valve (7);

the motor (1) comprises: a motor shaft (11); the motor shaft (11) transversely penetrates through the brake shell (61), and the end part of the motor shaft (11) is connected with a spline transmission shaft (8);

the brake assembly (6) further comprises: a plurality of friction spacers (62) coaxially arranged on the outer surface of the outer diameter of the spline transmission shaft (8); and a plurality of brake pad plates (63) which are coaxial with the spline transmission shaft (8) and are arranged on the outer surface of the inner diameter of the brake shell (61); and powder metallurgy brake pads (64) arranged on two axial end faces of the brake pad plate (63); the pressing plate (65) is arranged at one side, close to the speed reducer bracket (3), of the brake shell (61) and is arranged at the end part of the brake shell; and a piston (66) arranged inside the brake housing (61) and close to one side of the motor bracket (4); and a spring pressure plate (67) arranged on one side of the piston (66) close to the motor bracket (4);

the piston (66): the outer diameter of the motor support is provided with a boss (661), a plurality of spring mounting holes are circumferentially arranged in an array on the end surface close to one side of the motor support (4), compression springs are correspondingly arranged in the spring mounting holes, and a spring pressing plate (67) is arranged outside the spring mounting holes and is in a state of abutting against the compression springs;

each friction spacer (62) is arranged between two brake pad plates (63); the friction spacers (62) and the brake pad plates (63) are arranged from the pressure plate (65), the brake pad plate (63) at the end is abutted against the end face of one side, far away from the motor support (4), of the piston (66), and the friction spacers (62) and the brake pad plates (63) are in a holding state through the elasticity of the compression spring;

the brake shell (61) is provided with a pore channel communicated from the outside to the inside of the shell at the distance from the position close to the balance valve (7) to the boss (661), and the pore channel is connected with a high-pressure copper pipe (71);

the balance valve (7) injects hydraulic oil into the boss (661) through the high-pressure copper pipe (71), the piston (66) overcomes the elasticity of the compression spring to slide to one side of the spring pressing plate (67) through continuous injection of the hydraulic oil in the brake shell (61), and meanwhile, a gap is formed between the friction spacer (62) and the brake pad plate (63) and the gap can move relatively.

2. A lightweight hydraulic winch according to claim 1, characterized in that said planetary wheel assembly (5) comprises: the planet gear driving device comprises a planet gear driving plate (51), a planet gear supporting plate (52) and three planet gears (53) which are arranged between the planet gear driving plate (51) and the planet gear supporting plate (52) and are in a circumferential array.

3. The lightweight hydraulic winch according to claim 1, wherein the end of the splined driveshaft (8) is in meshing engagement with the planetary assembly (5).

4. The lightweight hydraulic winch according to claim 1, wherein a cylindrical handle is horizontally provided near the upper portion of each of the two vertical sides in the plate thickness direction between the speed reducer bracket (3) and the motor bracket (4), a cross member (9) is horizontally provided near the lower portion of each of the two vertical sides, and a threaded rope presser assembly (91) is provided on the cross member (9), the rope presser assembly (91) being interchangeably mounted on the two cross members as required.

5. The lightweight hydraulic winch according to claim 2, wherein a bearing seat (31) is provided on one side of the speed reducer bracket (3), the outer diameter surface of the bearing seat (31) is connected to the inner diameter surface of one side of the drum assembly (2) by mounting a bearing, and the inner diameter surface of the bearing seat (31) is connected to the planetary gear transmission plate (51).

6. The lightweight hydraulic winch according to claim 4, characterized in that the rope presser assembly (91) comprises: the device comprises a bracket (911) arranged on a beam (9), a torsion spring (912) arranged on the bracket (911), a rotating arm plate (913) clamped with the torsion spring (912) and arranged on the bracket (911), and a pinch roller (914) arranged at the upper end part of the rotating arm plate (913), wherein the axis of the pinch roller is parallel to the axis of the roller assembly (2); after the pinch roller (914) is installed on the rotating arm plate (913), the pinch roller (914) is pressed on the outer surface of the roller assembly (2) through the elastic acting force of the torsion spring (912) and can rotate along the axis of the pinch roller.

7. The lightweight hydraulic winch according to claim 5, wherein the other side of the drum assembly (2) is connected to the brake housing (61) through a bearing.

8. The lightweight hydraulic winch according to claim 5, wherein a frame oil seal (68) is provided between the pressure plate (65) and the splined driveshaft (8).