CN210933488U

CN210933488U - Electric lifter

Info

Publication number: CN210933488U
Application number: CN201921779591.1U
Authority: CN
Inventors: 刘文辉
Original assignee: Fujian Dongshan County Huiyongtai Sports Goods Co ltd
Current assignee: Fujian Dongshan County Huiyongtai Sports Goods Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-07
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses an electric lifter, which comprises a shell, a rope wheel, a speed reducing mechanism and an electric driving mechanism, wherein the rope wheel and the speed reducing mechanism are arranged in the shell, and the shell is provided with a rope inlet and a rope outlet; the rope passes through the rope inlet and the rope outlet and is tightly wound on the rope groove of the rope wheel; the rope sheave is connected with the low-speed end of the speed reducing mechanism, and the electric driving mechanism is connected with the high-speed end of the speed reducing mechanism and drives the high-speed end of the speed reducing mechanism; the speed reducing mechanism converts the high-speed rotation of the electric driving mechanism into the low-speed rotation of the rope wheel, so that the torque required by the electric driving mechanism is reduced, and the electric driving mechanism does not need to use a heavy large-torque motor; the rope that hangs down freely can carry out spacing through reason becket bridle, avoids freely swinging along with wind or user's swing to avoid influencing user's safety.

Description

Electric lifter

Technical Field

The utility model relates to a riser field such as outdoor exercises, lifesaving, high altitude construction, concretely relates to is an electric lift, especially can carry out safe lift as power drive with the help of instruments such as electric drills, guarantees that activity personnel safety and ensures that relevant operation goes up and down smoothly.

Background

In activities such as aerial work, crossing evacuation, escape, rescue, shaft rescue, exploratory hole and the like, a lifter is often used, the existing lifter is divided into an ascender and a descender, and people ascend and descend along a rope by using the ascender and the descender.

However, most of the existing elevators are unpowered elevators, and people need to consume more physical strength when ascending and descending, so that the existing elevators are not beneficial to the development and continuous operation of high-altitude operation and rescue activities.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an electric lifter, which has the features of an electric drive lifter, and can reduce the physical consumption of users, and is convenient and safe.

In order to achieve the above purpose, the solution of the present invention is:

an electric lifter comprises a shell, a rope wheel, a speed reducing mechanism and an electric driving mechanism, wherein the rope wheel and the speed reducing mechanism are arranged in the shell, and a rope inlet and a rope outlet are formed in the shell; the rope passes through the rope inlet and the rope outlet and is tightly wound on the rope groove of the rope wheel; the rope wheel is connected with the low-speed end of the speed reducing mechanism, and the electric driving mechanism is connected with the high-speed end of the speed reducing mechanism and drives the high-speed end of the speed reducing mechanism.

Furthermore, the high-speed end of the speed reducing mechanism is detachably connected with the electric driving mechanism.

Furthermore, the high-speed end of the speed reducing mechanism is provided with a sink groove, the electric driving mechanism comprises an interface, a motor, a battery, a forward and reverse rotation control button and a switch button, the interface is connected with an output shaft of the motor, and the battery is electrically connected with the motor through the forward and reverse rotation control button and the switch button.

Further, the electric lifter further comprises a directional mechanism for switching the rope pulley between forward rotation and reverse rotation.

Furthermore, the orientation mechanism comprises a gear shaft which is coaxial with the rope wheel, and also comprises a first check block, a second check block and a positioning block, wherein one end of the first check block and one end of the second check block rotate in the shell respectively; springs for enabling free ends of the first check block and the second check block to abut against the gear shaft are arranged on the first check block and the second check block respectively; the positioning block penetrates through the inside and the outside of the shell and is rotatably connected to the shell, the positioning block comprises a butting part arranged in the shell and a control part arranged outside the shell, the butting part is arranged between the first check block and the second check block, and the butting part butts against and breaks away from the gear shaft with the first check block or the second check block along with the rotation of the control part.

Further, the speed reducing mechanism is a planetary gear reducer.

Further, the speed reducing mechanism is a double-planetary gear speed reducer.

Further, be provided with solid fixed ring on the casing, it sets up to advance the rope mouth and go out the rope mouth the top of casing, gu fixed ring sets up the below of casing.

Further, one side and/or both sides of the shell are/is provided with a rope arranging ring.

Furthermore, the rope groove cross-section of rope sheave is T shape, the rope groove lateral wall interval is provided with a plurality of and is used for increasing the clutch blocks with the rope.

After the structure is adopted, the utility model relates to an electric lifter, it has following beneficial effect at least:

one, through setting up electric drive mechanism for the rising and the decline of riser pass through electric drive mechanism drives, greatly reduced user's physical demands, convenient operation, safety.

And the speed reducing mechanism converts the high-speed rotation of the electric driving mechanism into the low-speed rotation of the rope wheel, so that the torque required by the electric driving mechanism is reduced, and the electric driving mechanism does not need to use a large-torque motor with larger weight.

Through the directional mechanism, the rope wheel can only rotate in a single direction, so that the electric lifter can only ascend or descend along extension, the accidental reverse movement of the lifter or a rope can be avoided, and the accidental falling of the lifter during ascending is particularly avoided.

And fourthly, the rope which hangs down freely can be limited by the rope arranging ring, and the rope is prevented from swinging freely along with wind or the swinging of a user, so that the safety of the user is prevented from being influenced.

Drawings

Fig. 1 is a schematic structural view of an electric lifter of the present invention.

Fig. 2 is a schematic structural diagram of the present invention at the ascending stage.

Fig. 3 is a schematic structural diagram of the present invention at a descending stage.

Fig. 4 is a schematic perspective view of the electric driving mechanism of the present invention.

Fig. 5 is an exploded perspective view of the electric lifter of the present invention.

Fig. 6 is a partial enlarged view of a portion a in fig. 5 according to the present invention.

Fig. 7 is a schematic perspective view of the electric driving mechanism of the present invention.

Fig. 8 is a schematic sectional view of the present invention.

Fig. 9 is a schematic view of a first lifting operation of the electric lifter of the present invention.

Fig. 10 is a schematic view of a second lifting operation of the electric lifter of the present invention.

Fig. 11 is a schematic view of the descending operation of the electric lifter without the electric driving mechanism.

In the figure: a housing 1; a rope outlet 11; a rope inlet 12; a rope pulley 2; a friction block 21; a rope groove 22; a speed reduction mechanism 3; a sink tank 31; an electric drive mechanism 4; an orientation mechanism 5; a first check block 51; a second check block 52; a positioning block 53; a butting portion 531; a control section 532; a spring 54; a fixing ring 6; a rope arranging ring 7; a rope 8.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1 to 10, the electric lifter of the present invention includes a housing 1, a rope pulley 2, a speed reducing mechanism 3 and an electric driving mechanism 4, wherein the rope pulley 2 and the speed reducing mechanism 3 are disposed in the housing 1, and the housing 1 is provided with a rope inlet 12 and a rope outlet 11; the rope 8 passes through the rope inlet opening 12 and the rope outlet opening 11 and is tightly wound on the rope groove 22 of the rope wheel 2; the rope wheel 2 is connected with the low-speed end of the speed reducing mechanism 3, and the electric driving mechanism 4 is connected with the high-speed end of the speed reducing mechanism 3 and drives the high-speed end of the speed reducing mechanism 3.

Through setting up electric drive mechanism 4 for the rising and the decline of riser pass through electric drive mechanism 4 drives, greatly reduced user's physical demands, convenient operation, safety.

Preferably, the high-speed end of the speed reducing mechanism 3 is detachably connected with the electric driving mechanism 4. The maintenance is more convenient, and the lifting mechanism can be driven by matching with various driving mechanisms.

Preferably, a sink groove 31 is formed at the high-speed end of the speed reducing mechanism 3, the electric driving mechanism 4 comprises an interface, a motor, a battery, a forward and reverse rotation control button and a switch button, the interface is connected with an output shaft of the motor, and the battery is electrically connected with the motor through the forward and reverse rotation control button and the switch button. When the speed reducing mechanism is used, the interface is inserted in the sinking groove 31, and the starting motor drives the high-speed end of the speed reducing mechanism 3 to rotate.

The speed reducing mechanism 3 converts the high-speed rotation of the electric driving mechanism 4 into the low-speed rotation of the rope wheel 2, so that the torque required by the electric driving mechanism 4 is reduced, and the electric driving mechanism 4 does not need to use a large-torque motor with large weight.

Preferably, the electric lifter further includes a direction guide mechanism 5 for switching the sheave 2 between forward rotation and reverse rotation. Through the orientation mechanism 5, the rope wheel 2 can only rotate in a single direction, so that the electric lifter can only ascend or descend along extension, the accidental reverse movement of the lifter or the rope 8 can be avoided, and the accidental falling of the lifter during ascending is particularly avoided.

Preferably, the orientation mechanism 5 includes a gear shaft coaxially disposed with the sheave 2, and further includes a first check block 51, a second check block 52 and a positioning block 53, and one end of each of the first check block 51 and the second check block 52 rotates in the housing 1; the first check block 51 and the second check block 52 are respectively provided with a spring 54 which pushes the free ends of the first check block 51 and the second check block 52 against the gear shaft; the positioning block 53 penetrates through the inside and outside of the housing 1 and is rotatably connected to the housing 1, the positioning block 53 comprises a butting portion 531 arranged in the housing 1 and a control portion 532 arranged outside the housing 1, the butting portion 531 is arranged between the first check block 51 and the second check block 52, and the butting portion 531 butts against the first check block 51 or the second check block 52 to separate from the gear shaft along with the rotation of the control portion 532.

The ends of the first check block 51 and the second check block 52 are provided with tooth surfaces which can be meshed with the tooth surfaces on the gear shaft, as shown in fig. 2 and 3, when the positioning block 53 is shifted to the left, the first check block 51 is opened, and the second check block 52 is closed and is in a rising state; when the position is shifted to the right, the second check block 52 is opened, the first check block 51 is tightly closed, and the descending state is realized; when the electric driving mechanism 4 is operated, when the positioning block 53 is at the left position, and reverse driving is used, the first check block 51 and the second check block 52 can be locked and cannot play a lifting role; only if synchronized, it will exhibit rising and falling operating states.

Preferably, the speed reduction mechanism 3 is a planetary gear reducer. Further, the speed reduction mechanism 3 is a double planetary gear reducer. The planetary gear reducer has the characteristics of high transmission precision, light weight and long service life.

Preferably, a fixing ring 6 is arranged on the shell 1, the rope inlet 12 and the rope outlet 11 are arranged above the shell 1, and the fixing ring 6 is arranged below the shell 1. The motorized lift may be connected to a cord 8 by a retaining ring 6.

Preferably, the housing 1 is provided with a twine loop 7 on one and/or both sides. The rope 8 which hangs down freely can be limited by the rope arranging ring 7, and the rope can be prevented from swinging freely along with wind or the swinging of a user, so that the safety of the user is prevented from being influenced.

Preferably, the rope groove 22 of the rope pulley 2 is T-shaped in cross section, and a plurality of friction blocks 21 for increasing the friction force with the rope 8 are arranged on the side wall of the rope groove 22 at intervals. The cross section of the T-shaped rope groove 22 and the plurality of friction blocks 21 increase the friction force between the rope 8 and the rope wheel 2, and prevent the rope 8 from slipping.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. An electric lifter is characterized by comprising a shell, a rope wheel, a speed reducing mechanism and an electric driving mechanism, wherein the rope wheel and the speed reducing mechanism are arranged in the shell, and a rope inlet and a rope outlet are formed in the shell; the rope passes through the rope inlet and the rope outlet and is tightly wound on the rope groove of the rope wheel; the rope wheel is connected with the low-speed end of the speed reducing mechanism, and the electric driving mechanism is connected with the high-speed end of the speed reducing mechanism and drives the high-speed end of the speed reducing mechanism.

2. The motorized lift of claim 1, wherein the high speed end of the retarding mechanism is removably coupled to the motorized drive mechanism.

3. An electric lifter according to claim 1 or 2, wherein the high-speed end of the speed reducing mechanism is provided with a sink, the electric driving mechanism comprises an interface, a motor, a battery, a forward/reverse rotation control button and a switch button, the interface is connected with an output shaft of the motor, and the battery is electrically connected with the motor through the forward/reverse rotation control button and the switch button.

4. The motorized lift of claim 1, further comprising a directional mechanism for switching the sheave between forward rotation and reverse rotation.

5. The motorized riser of claim 4, wherein the orientation mechanism includes a gear shaft disposed coaxially with the sheave, and further includes a first check block, a second check block, and a positioning block, one end of each of the first check block and the second check block being rotatable within the housing; springs for enabling free ends of the first check block and the second check block to abut against the gear shaft are arranged on the first check block and the second check block respectively; the positioning block penetrates through the inside and the outside of the shell and is rotatably connected to the shell, the positioning block comprises a butting part arranged in the shell and a control part arranged outside the shell, the butting part is arranged between the first check block and the second check block, and the butting part butts against and breaks away from the gear shaft with the first check block or the second check block along with the rotation of the control part.

6. The motorized lift of claim 1, wherein the reduction mechanism is a planetary gear reducer.

7. The motorized lift of claim 6, wherein the reduction mechanism is a double planetary gear reducer.

8. The motorized lift of claim 1, wherein said housing has a retaining ring; the rope inlet and the rope outlet are arranged above the shell, and the fixing ring is arranged below the shell.

9. An electrical elevator according to claim 8, wherein the housing is provided with a cord management ring on one and/or both sides.

10. The motorized lift of claim 1, wherein the sheave has a T-shaped groove in cross-section, and a plurality of friction blocks are spaced apart from each other on the side wall of the groove to increase friction with the rope.