CN214935595U

CN214935595U - Portable lifting winch

Info

Publication number: CN214935595U
Application number: CN202120992443.9U
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: 2021-11-30
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to a portable lifting winch. The method comprises the following steps: a mounting frame; the mounting frame is formed by fixedly connecting two bending plates through a plurality of supporting rods, and is characterized in that a motor parallel to the supporting rods is arranged inside the mounting frame; and the rollers are arranged at the lower part of the motor in parallel; and a rope pressing component arranged on the upper part of the roller; and the rope guide is arranged at the end part of the mounting frame and is parallel to the axis of the roller. And a nylon cushion block is arranged at the joint of the upper parts of the two bending plates, and a through hole penetrating through the bending plates and the nylon cushion block is arranged at the joint and is used for connecting an external lifting appliance. The utility model discloses a portable hoisting winch all fuses each item indispensable function in a mounting bracket, makes it accomplish lightly as far as under the condition that satisfies the function to make simply, maintain convenient, the cost is not high, especially is fit for setting up the use at motor-operated temporary.

Description

Portable lifting winch

Technical Field

The utility model belongs to the technical field of electronic hoisting accessory, concretely relates to portable hoisting winch.

Background

The vertical hoisting device is widely applied in production operation, such as fixed bridge crane, gantry crane, tank shell ring manufacturing and various maneuvering temporary erection for use; the hoisting device is used for hoisting heavy objects such as parts and tools during the installation, debugging and maintenance operations of the power system derrick, and is also used for hoisting personnel and materials during high-rise rescue and helicopter search and rescue, and the like.

However, the existing devices for vertical hoisting are heavy, pulley blocks need to be prepared, or the devices are combined for use, so that the devices are inconvenient to carry and install, and are particularly inconvenient to set up and use temporarily in a motor mode.

Disclosure of Invention

Aiming at the problems, the utility model discloses set up motor and cylinder and pressure rope subassembly and rope guide all in a mounting bracket, made whole small, light in weight, the ann tears open the convenience.

The invention aims to be realized by the following technical scheme: a portable hoist winch comprising: a mounting frame; the mounting frame is formed by fixedly connecting two bending plates through a plurality of supporting rods, and is characterized in that a motor parallel to the supporting rods is arranged inside the mounting frame; and the rollers are arranged at the lower part of the motor in parallel; and a rope pressing component arranged on the upper part of the roller; and the rope guide is arranged at the end part of the mounting frame and is parallel to the axis of the roller.

And a nylon cushion block is arranged at the joint of the upper parts of the two bending plates, and a through hole penetrating through the bending plates and the nylon cushion block is arranged at the joint and is used for connecting an external lifting appliance. The portable hoist winch further comprises: a three-stage transmission gear system; the three-stage variable speed gear system is arranged on one side of the output end of the mounting rack motor through a gear fixing plate.

The rope pressing assembly comprises: a pressing plate arranged between the motor and the roller; and a pull rope spring arranged in the middle of the pressure plate. The rope guider is as follows: the two ends of the plate are symmetrically folded at right angles; the two bending edges of the rope guide device are connected with the two bending plates through bolts respectively, the surface of the rope guide device is provided with a long waist groove, and each edge of the long waist groove is provided with a fillet. The motor comprises an output gear arranged at the output end of the motor.

One end of the pressing plate is provided with a turned edge, a hinged shaft is arranged at the turned edge, the hinged shaft is arranged in parallel with the axis of the motor, and two ends of the hinged shaft are respectively hinged with the two bending plates; the middle part of the pressure plate is connected with one end of the extension spring through a bolt, and the other end of the extension spring is provided with a drag hook which is connected to a support rod at the middle part of the mounting rack; the other end of the pressing plate is pressed on the outer surface of the roller, and the pressing plate and the roller are in an elastic abutting state through the tension of the extension spring.

The three stage transmission gear system includes: a first-stage large gear which is arranged on the gear fixing plate and is meshed with the output gear; the first-stage pinion is coaxially arranged with the first-stage gearwheel and fixedly arranged on the end face of the first-stage gearwheel; and a secondary bull gear meshed with the primary pinion; the second-stage pinion is coaxially arranged with the second-stage gearwheel and fixedly arranged on the end face of the second-stage gearwheel; and a third-stage bull gear meshed with the second-stage pinion. The three-stage large gear is coaxially arranged with the roller and fixedly connected with the roller.

Preferably, the portable lifting winch arranges the motor, the roller, the rope pressing assembly and the rope guide in one mounting frame, so that the portable lifting winch is small in overall size, light in weight and convenient to mount and dismount.

Preferably, the portable hoisting winch is connected with an external lifting appliance through two bending parts on the mounting frame, and a nylon cushion block is arranged at the joint, so that the nylon cushion block is high in strength and light in weight and plays a role in buffering during hoisting operation.

Preferably, the portable lifting winch is provided with the three-stage speed change gear system on the side surface of the mounting frame, so that the lifting speed is low and constant, and the portable lifting winch occupies a small space on the side surface.

Preferably, the portable lifting winch is provided with a mechanical rope pressing assembly, the mechanical rope pressing assembly is combined with the pressing plate through the pull rope spring, the space is completely inside the frame body, the mechanical rope pressing assembly is naturally pressed during use, and the traction rope is orderly folded and unfolded without operation.

As preferred, its rope guide of portable hoisting winch is connected with the mounting bracket for bending the plate, has played the additional action to the mounting bracket simultaneously like this, and sets up long waist groove and each limit of long waist groove at the face and all set up the fillet, and the haulage rope slides in the rope guide can not cause the damage like this.

Preferably, the three-stage speed change gear system of the portable lifting winch is provided with large and small wheels which are overlapped in a step-by-step mode and are compactly meshed and connected with each other, so that the portable lifting winch is very simple and convenient to manufacture and install.

Preferably, the third-stage gearwheel of the portable lifting winch is directly and coaxially arranged with the roller and fixedly connected with the roller, conversion is avoided, and the arrangement is simplified under the function achievement.

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

the utility model discloses a portable hoisting winch all fuses each item indispensable function in a mounting bracket, makes it accomplish lightly as far as under the condition that satisfies the function to make simply, maintain convenient, the cost is not high, especially is fit for setting up the use at motor-operated temporary.

Drawings

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

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

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

fig. 4 is a bottom view of the present invention;

fig. 5 is an isometric view of the present invention.

The labels in the figure are: 1. a mounting frame; 11. bending the plate; 12. a support bar; 2. a motor; 21. an output gear; 3. a drum; 4. a rope pressing component; 41. pressing a plate; 42. a bolt; 43. a pull cord spring; 44. hinging a shaft; 5. a rope guide; 6. nylon cushion blocks; 7. A three-stage transmission gear system; 71. a gear fixing plate; 72. a first-stage bull gear; 73. a primary pinion gear; 74. a secondary bull gear; 75. a secondary pinion gear; 76. three-stage bull gear. Detailed Description

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

example 1:

1-5, a portable hoist winch comprising: a mounting frame 1; the mounting rack 1 is formed by fixedly connecting two bending plates 11 through a plurality of supporting rods 12, and is characterized in that a motor 2 parallel to the supporting rods 12 is arranged inside the mounting rack 1; and a roller 3 arranged in parallel at the lower part of the motor 2; and a rope pressing component 4 arranged on the upper part of the roller 3; and a rope guider 5 arranged at the end part of the mounting frame 1 and parallel to the axis of the roller 3.

And a nylon cushion block 6 is arranged at the joint of the upper parts of the two bending plates 11, and a through hole penetrating through the bending plates 11 and the nylon cushion block 6 is arranged at the joint and is used for connecting an external lifting appliance. The portable hoist winch further comprises: a three-stage transmission gear system 7; the three-stage transmission gear system 7 is installed at one side of the motor output end of the mounting bracket 1 through a gear fixing plate 71.

The rope pressing component 4 comprises: a platen 41 disposed between the motor 2 and the drum 3; and a pull rope spring 43 provided in the middle of the pressing plate 41. The rope guider 5 is as follows: the two ends of the plate are symmetrically folded at right angles; the two bending edges of the rope guider are connected with the two bending plates 11 through bolts respectively, the surface of the rope guider 5 is provided with a long waist groove, and each edge of the long waist groove is provided with a round angle. The motor 2 includes an output gear 21 mounted at the motor output.

One end of the pressing plate 41 is provided with a turned edge, a hinge shaft 44 is arranged at the turned edge, the hinge shaft 44 is parallel to the axis of the motor 2, and two ends of the hinge shaft 44 are respectively hinged with the two bending plates 11; the middle part of the pressure plate 41 is connected with one end of an extension spring 43 through a bolt 42, and the other end of the extension spring 43 is connected with a supporting rod 12 at the middle part of the mounting rack 1 through a draw hook; the other end of the pressing plate 41 is pressed on the outer surface of the roller 3, and the pressing plate and the roller are in an elastic abutting state by the tension of the extension spring 43.

The three-stage transmission gear system 7 includes: a primary large gear 72 mounted on the gear fixing plate 71 and engaged with the output gear 21; the primary pinion 73 is coaxially arranged with the primary gearwheel 72 and fixedly arranged on the end face of the primary gearwheel 72; and a secondary bull gear 74 meshed with the primary pinion gear 73; and a secondary pinion 75 coaxially arranged with the secondary bull gear 74 and fixedly mounted on the end face of the secondary bull gear 74; and a tertiary bull gear 76 meshed with the secondary pinion gear 75. The third-stage gearwheel 76 is coaxially arranged and fixedly connected with the drum 3.

In actual use: the tension spring 43 is selected according to the material and diameter of the traction rope.

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 portable hoist winch comprising: a mounting frame (1); the mounting rack (1) is formed by fixedly connecting two bending plates (11) through a plurality of supporting rods (12), and is characterized in that a motor (2) parallel to the supporting rods (12) is arranged inside the mounting rack (1); and a roller (3) arranged in parallel at the lower part of the motor (2); and a rope pressing component (4) arranged at the upper part of the roller (3); and a rope guide (5) arranged at the end part of the mounting rack (1) and parallel to the axis of the roller (3).

2. The portable hoisting winch according to claim 1, wherein a nylon pad (6) is provided at the joint of the upper portions of the two bent plates (11), and a through hole for connecting an external hanger is provided at the joint through the bent plates (11) and the nylon pad (6).

3. The portable lift winch of claim 1, further comprising: a three-stage transmission gear system (7); the three-stage speed change gear system (7) is arranged on one side of the output end of the motor of the mounting frame (1) through a gear fixing plate (71).

4. The portable hoist winch according to claim 1, characterized in that the pressure rope assembly (4) comprises: a pressure plate (41) arranged between the motor (2) and the roller (3); and a pull rope spring (43) arranged in the middle of the pressure plate (41).

5. The portable hoisting winch according to claim 1, characterized in that said rope guide (5) is: the two ends of the plate are symmetrically folded at right angles; the two bending edges of the rope guide device are connected with the two bending plates (11) through bolts respectively, the surface of the rope guide device (5) is provided with a long waist groove, and each edge of the long waist groove is provided with a fillet.

6. The portable hoisting winch according to claim 3, characterized in that said motor (2) comprises an output gear (21) mounted at the motor output.

7. The portable hoisting winch according to claim 4, wherein one end of the pressing plate (41) is provided with a turned edge, a hinge shaft (44) is arranged at the turned edge, the hinge shaft (44) is arranged in parallel with the axis of the motor (2), and two ends of the hinge shaft (44) are respectively hinged and connected with the two bending plates (11); the middle part of the pressure plate (41) is connected with one end of an extension spring (43) through a bolt (42), and the other end of the extension spring (43) is connected with a supporting rod (12) at the middle part of the mounting rack (1) through a draw hook; the other end of the pressure plate (41) is pressed on the outer surface of the roller (3) and is in an elastic abutting state through the tension of the extension spring (43).

8. Portable lifting winch according to claim 6, characterized in that said three-stage gear change system (7) comprises: a primary large gear (72) which is arranged on the gear fixing plate (71) and is meshed with the output gear (21); the primary pinion (73) is coaxially arranged with the primary gearwheel (72) and fixedly arranged on the end face of the primary gearwheel (72); and a secondary bull gear (74) meshing with the primary pinion gear (73); and a secondary pinion (75) which is coaxially arranged with the secondary bull gear (74) and fixedly arranged on the end surface of the secondary bull gear (74); and a tertiary bull gear (76) meshing with the secondary pinion gear (75).

9. Portable hoisting winch according to claim 8, characterized in that the tertiary gearwheel (76) is arranged coaxially with the drum (3) and is fixedly connected thereto.