CN111071944A

CN111071944A - Electric lifting decorative hoisting device

Info

Publication number: CN111071944A
Application number: CN201911412417.8A
Authority: CN
Inventors: 刘文溪; 刘玉洁; 李国军; 杨志洲; 赵新
Original assignee: Shenzhen Huanan Decoration Group Co ltd
Current assignee: Shenzhen Huanan Decoration Group Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-28

Abstract

The invention relates to an electric lifting decoration hoisting device, which is used for hoisting a hoisting piece and comprises: the first shell is internally provided with a containing cavity, and the first shell is provided with a wire outlet; the first winding component comprises a first winding drum, and the first winding drum is arranged in the accommodating cavity and can rotate relative to the first shell; the first driving mechanism is used for driving the first winding drum to rotate; one end of the lifting rope is fixed on the first winding drum and is wound along the circumferential direction of the outer side of the first winding drum, and the other end of the lifting rope penetrates out of the wire outlet and is connected with the lifting piece; and the first braking mechanism is coaxially arranged with the first driving mechanism, and can limit the rotation of the first winding drum when the first driving mechanism is in a power-off state. Above-mentioned hoist device is decorated in electric lift is equipped with first arrestment mechanism, and first actuating mechanism is when losing the electric state, and first actuating mechanism can indirectly brake first actuating mechanism, factor of safety when improving the hoist and mount of hanging.

Description

Electric lifting decorative hoisting device

Technical Field

The invention relates to the technical field of architectural decoration hoisting, in particular to an electric lifting decoration hoisting device.

Background

In the interior decoration engineering, in order to satisfy the lighting function demand and the decorative effect, the wall top can install the modeling lamp and hang the piece of hanging such as decoration, but the piece of hanging usually has the distance of two meters to tens of meters apart from ground, and difficult clean after the hoist and mount is accomplished. When the components are cleaned, maintained or replaced, aerial work needs to be carried out by using an aerial ladder or a scaffold, and potential safety hazards exist.

Disclosure of Invention

Therefore, it is necessary to provide an electric lifting decoration hoisting device for solving the problem of poor safety during hoisting of a hoisting piece.

An electric lift decorates hoist device for hoist and mount piece, includes:

the first shell is internally provided with a containing cavity, and the first shell is provided with a wire outlet;

the first winding component comprises a first winding drum, and the first winding drum is arranged in the cavity and can rotate relative to the first shell;

the first driving mechanism is used for driving the first winding drum to rotate;

one end of the lifting rope is fixed on the first winding drum and is wound along the circumferential direction of the outer side of the first winding drum, and the other end of the lifting rope penetrates out of the wire outlet and is connected with the lifting piece; and

the first brake mechanism is coaxially arranged with the first driving mechanism, and can limit the rotation of the first winding drum when the first driving mechanism is in a power-off state.

Above-mentioned hoist device is decorated in electric lift is equipped with first arrestment mechanism, and first actuating mechanism is when losing the electric state, and first arrestment mechanism can brake first winding drum rotates to the first actuating mechanism of indirect braking is so that first actuating mechanism stall, and the piece of avoiding hanging when the outage freely falls and the emergence accident, factor of safety when improving the hoist and mount.

In one embodiment, the first brake mechanism includes a first magnetic member and a second magnetic member, the first magnetic member is fixed to the first housing, the second magnetic member is fixed to the first winding drum, in a power-off state, the first magnetic member and the second magnetic member generate attraction forces due to opposite polarities, the second magnetic member stops moving due to a friction force generated by close contact between the first magnetic member and the second magnetic member, and brakes the first winding drum to stop rotating, so as to mechanically assist in braking the first drive mechanism.

In one embodiment, the first winding device includes a connecting member and a spindle, the spindle is fixed to the first housing, the connecting member is sleeved on the spindle to rotatably connect the connecting member to the spindle, and the first winding drum is connected to the connecting member to allow the first winding drum to rotate relative to the first housing.

In one embodiment, the winding device further comprises a gear, the gear and the first driving mechanism are coaxially arranged in the first winding drum, the inner wall of the winding drum is provided with a tooth groove meshed with the gear, and the first driving mechanism is in transmission connection with the gear and is used for driving the gear to rotate, so that the gear drives the first winding drum to rotate.

In one embodiment, the first driving mechanism includes a motor and an output shaft driven by the motor, the motor is fixed to an end of the main shaft away from the first housing, and the output shaft is fixedly connected to the gear.

In one embodiment, a first wire clamping groove is formed in the outer side of the first winding drum, a protruding block is arranged on the outer side of the first winding drum, which is close to the first wire clamping groove, and the lifting rope can be clamped in the first wire clamping groove and limited by the protruding block.

In one embodiment, the lifting rope winding device further comprises a second casing and a second winding assembly, the second winding assembly comprises a second winding drum, the second casing is connected to the bottom of the first casing, the second casing is provided with an inlet and an outlet, the second winding drum is fixed to the second casing, and the other end of the lifting rope penetrates through the outlet and penetrates into the inlet, so that the lifting rope is wound outside the second winding drum and penetrates through the outlet.

In one embodiment, the second winding drum is provided with a first through hole, the first through hole penetrates through the second winding drum along the radial direction and corresponds to the outlet, the lifting rope is wound along the circumferential direction of the second winding drum, and the lifting rope penetrates through the first through hole, penetrates out of the outlet and is connected with the lifting piece.

In one embodiment, the lifting rope braking device further comprises a second braking mechanism, wherein a second through hole is formed in the second winding drum, the second through hole penetrates through the second winding drum along the axial direction, the first through hole and the second through hole are approximately perpendicular and are mutually communicated, and the second braking mechanism can extend into the second through hole in a power-off state and clamp the lifting rope to brake the lifting rope.

In one embodiment, the second brake mechanism includes a third magnetic member, an elastic member, a fourth magnetic member and an insertion portion, the third magnetic member is fixed to the second housing, the elastic member is connected between the third magnetic member and the fourth magnetic member, the insertion portion is connected to the fourth magnetic member, when the second brake mechanism is in a power-off state, the third magnetic member and the fourth magnetic member have the same polarity to generate a repulsive force, and the elastic member extends to enable the insertion portion to extend into the second through hole.

Drawings

FIG. 1 is a schematic view of an electric lifting/lowering decoration hanging device according to an embodiment;

fig. 2 is a side view of the electric lift ornamental crane assembly shown in fig. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an embodiment of an electric lifting/lowering decoration hoisting device is used for hoisting a hoisting member 10, and the electric lifting/lowering decoration hoisting device includes a first housing 100, a first winding assembly 200, a first driving mechanism 300, a hoisting rope 400, and a first braking mechanism 500. It should be noted that the hanger 10 may be a lamp or a modeling decoration plate, and the type of the hanger 10 is not limited herein.

Referring to fig. 1, a cavity 110 is disposed in the first housing 100, the first winding assembly 200 includes a first winding drum 210, the first winding drum 210 is disposed in the cavity 110, and the first driving mechanism 300 is configured to drive the first winding drum 210 to rotate relative to the first housing 100.

Specifically, the first winding assembly 200 includes a connecting member 220 and a main shaft 230, the main shaft 230 is fixed to the first housing 100, the connecting member 220 is sleeved on the main shaft 230 so that the connecting member 220 is rotatably connected to the main shaft 230, and the first winding drum 210 is connected to the connecting member 220 so that the first winding drum 210 is rotatably connected to the first housing 100 through the main shaft 230.

Further, a fixing hole (not shown) is formed in the first housing 100, the main shaft 230 includes a shaft body 231 and a protrusion 232 extending along the shaft body 231, the protrusion 232 is rotatably inserted into the connecting member 220, the shaft body 231 penetrates through the fixing hole and is fastened by a nut, so that the shaft body 231 is fixed to the first housing 100, and the mounting is convenient and the structure is simple.

In some embodiments, the shaft 231 and the protrusion 232 are integrally formed, and have a strong bearing capacity and good integrity. In other embodiments, the shaft 231 and the protrusion 232 may be detachably connected, so that the shaft 231 can be replaced when worn and damaged, which is beneficial to recycling resources. Alternatively, the main shaft 230 and the connection member 220 may be replaced with ball bearings, so that the first winding cylinder 210 is rotatably connected to the first housing 100.

In some embodiments, the first housing 100 and the first winding reel 210 are both cylindrical and coaxially disposed, the radial dimension of the first housing 100 is larger than the radial dimension of the first winding reel 210, and a space can be left in the first housing 100 to facilitate the rotation of the first winding reel 210 in the first housing 100 relative to the first housing 100. In other embodiments, the first casing 100 and the first winding drum 210 may also have a rectangular parallelepiped, prism or other irregular shapes.

Referring to fig. 1, the electric lifting decoration lifting device further includes a gear 600, the gear 600 and the first driving mechanism 300 are coaxially disposed in the first winding drum 210, a tooth groove (not shown) engaged with the gear 600 is disposed on an inner wall of the first winding drum 210, and the first driving mechanism 300 is in transmission connection with the gear 600 and is used for driving the gear 600 to rotate, so that the gear 600 drives the first winding drum 210 to rotate.

Specifically, the first driving mechanism 300 includes a motor 310 and an output shaft 320 driven by the motor 310, the motor 310 is fixed to an end of the main shaft 230 away from the first casing 100, the output shaft 320 is fixedly connected to the gear 600, the output shaft 320 is driven by the motor 310 to drive the gear 600 to rotate, and the gear 600 and the tooth groove are engaged with each other to drive the first winding drum 210 to rotate relative to the first casing 100.

Referring to fig. 1, an outlet 120 is formed on the first casing 100, one end of the lifting rope 400 is fixed to the outer side of the first winding drum 210 and is wound along the circumferential direction of the outer side of the first winding drum 210, and the other end of the lifting rope 400 penetrates through the outlet 120 and is connected to the lifting element 10.

Specifically, the first driving mechanism 300 drives the gear 600 to rotate, and drives the first winding drum 210 to rotate relative to the first casing 100 through the mutual engagement of the gear 600 and the tooth grooves, so that the lifting rope 400 is wound on the first winding drum 210, and the height of the lifting element 10 is freely adjusted in the lifting process.

In some embodiments, the lifting rope 400 is a smooth wire rope, which has high load capacity, light dead weight, and low friction. In other embodiments, the lifting rope 400 may also be a galvanized steel wire rope or a plastic coated steel wire rope.

Further, the first winding drum 210 is provided with a first wire clamping groove (not shown in the figure) on the outer side, a protruding block 211 is arranged on the outer side of the first winding drum 210 close to the first wire clamping groove, the lifting rope 400 can be clamped in the first wire clamping groove and limited by the protruding block 211 when being wound along the circumferential direction of the outer side of the first winding drum 210, the lifting rope 400 is prevented from moving at a loose position to enable the lifting piece 10 to swing, and potential safety hazards existing when the lifting piece 10 is lifted are reduced.

In some embodiments, the first wire-locking groove is spiral, and the protrusion 211 and the first winding drum 210 are integrally formed. In other embodiments, the protrusion 211 and the first winding cylinder 210 are of a split structure, the protrusion 211 can be fastened or clamped to the outer side of the first winding cylinder 210 by a screw, and when the winding position of the lifting rope 400 changes, the position of the protrusion 211 can be freely adjusted, so that the application range is expanded. Or, the first winding drum 210 may also be set to be a telescopic structure, so that the length of the first winding drum 210 is adjustable, and the winding requirements at different hoisting heights are met.

Furthermore, the electric lifting decoration hoisting device further includes a guide wheel 130, the guide wheel 130 is installed on the first casing 100 and is close to the outlet 120, and the guide wheel 130 is used for tensioning the lifting rope 400 and guiding the lifting rope 400, so as to prevent the lifting rope 400 from loosening during the hoisting process and the lifting piece 10 from shaking.

Referring to fig. 1, the first braking mechanism 500 is disposed coaxially with the first driving mechanism 300, and when the first driving mechanism 300 is in a power-off state, the first braking mechanism 500 can limit the rotation of the first winding drum 210, so as to indirectly brake the first driving mechanism 300 to stop the rotation of the first driving mechanism 300.

In some embodiments, the first brake mechanism 500 is an electromagnetic band brake mechanism. Specifically, the first brake mechanism 500 includes a first magnetic member 510 and a second magnetic member 520, the first magnetic member 510 is fixed to the first casing 100, the second magnetic member 520 is fixed to the first winding drum 210, in a power-off state, the first magnetic member 510 and the second magnetic member 520 generate attraction forces due to opposite polarities, the first magnetic member 510 and the second magnetic member 520 are tightly attached, the first magnetic member 510 is fixed and the second magnetic member 520 stops moving due to a friction force generated by the tight attachment of the first magnetic member 510 and the second magnetic member 520, and the first winding drum 210 is limited to stop rotating, so as to indirectly brake the first driving mechanism 300, the first driving mechanism 300 can rapidly stop operating under double braking of self energy consumption braking and mechanical braking of the first brake mechanism 500, and the situation that the first driving mechanism 300 cannot stop due to failure in the power-off state, so that the hanger 10 freely falls is avoided, the safety factor of the hoisting piece 10 during hoisting is improved.

In the energized state, the polarity of the first magnetic element 510 changes, the polarity of the second magnetic element 520 does not change, the polarities of the first magnetic element 510 and the second magnetic element 520 are the same, so that a repulsive force is generated, the second magnetic element 520 tends to move rightward relative to the first magnetic element 510, specifically, the first magnetic element 510 and the second magnetic element 520 are separated from each other, no friction force exists between the first magnetic element 510 and the second magnetic element 520, and the first winding drum 210 can rotate freely relative to the first housing 100.

In some embodiments, the first magnetic member 510 is an electromagnet and the second magnetic member 520 is a permanent magnet. In other embodiments, the first magnetic member 510 is a permanent magnet and the second magnetic member 520 is an electromagnet.

In another embodiment, the first brake mechanism 500 may be a manual brake mechanism, in which a brake disk is provided on the first winding cylinder, a pressing lever is connected to the brake disk, and the rotation of the first winding cylinder is restricted by manually operating the pressing lever.

Referring to fig. 1 and 2, the electric lifting decoration lifting device further includes a second housing 700 and a second winding assembly 800, the second winding assembly 800 includes a second winding drum 810, the second housing 700 is connected to the bottom of the first housing 100, the second housing 700 is provided with an inlet 710 and an outlet 720, the inlet 710 is communicated with the outlet 120 of the first housing 100, the other end of the lifting rope 400 passes through the outlet 120 and penetrates through the inlet 710, the lifting rope 400 is wound around the second winding drum 810 and penetrates through the outlet 720, and the lifting rope 400 penetrating through the outlet 720 is connected with the lifting element 10.

In some embodiments, referring to fig. 2, the second winding drum 810 is provided with a first through hole 811, the first through hole 811 radially penetrates through the middle of the second winding drum 810, the first through hole 811 corresponds to the outlet 720, the lifting rope 400 circumferentially winds around the outside of the second winding drum 810, penetrates through the first through hole 811, and then penetrates through the outlet 720, and the lifting rope 400 penetrating through the outlet 720 is connected to the hanger 10.

In some embodiments, a second wire clamping groove (not shown in the drawings) is formed in the outer side of the second winding drum 810, and the lifting rope 400 can be clamped in the second wire clamping groove when being wound along the circumferential direction of the outer side of the second winding drum 810, so that the lifting rope 400 is prevented from moving in a loose position to enable the lifting piece 10 to shake, and potential safety hazards in lifting the lifting piece 10 are reduced.

Further, referring to fig. 1, the electric lifting decoration hoisting device further includes a second brake mechanism 900, a second through hole 812 is disposed on the second winding drum 810, the second through hole 812 axially penetrates through the second winding drum 810, the first through hole 811 and the second through hole 812 are substantially perpendicular and mutually communicated, and the second brake mechanism 900 can extend into the second through hole 812 in a power-off state and clamp the lifting rope 400 to brake the lifting rope 400, so that the lifting rope 400 stops slipping.

Specifically, the second brake mechanism 900 includes a third magnetic element 910, an elastic element 920, a fourth magnetic element 930, and a plugging portion 940, the third magnetic element 910 is fixed to the second housing 700, the elastic element 920 is connected between the third magnetic element 910 and the fourth magnetic element 930, and the plugging portion 940 is connected to the fourth magnetic element 930 and extends toward the opening direction of the second through hole 812.

When the second brake mechanism 900 is in the power-on state, the third magnetic element 910 and the fourth magnetic element 930 generate an attractive force due to the opposite polarities, and the elastic element 920 contracts, so that the insertion part 940 is away from the second through hole 812; when the second brake mechanism 900 is switched from the power-on state to the power-off state, the polarity of the third magnetic member 910 is changed, the polarity of the fourth magnetic member 930 is unchanged, the polarities of the third magnetic member 910 and the fourth magnetic member 930 are the same, so as to generate a repulsive force, and the elastic member 920 extends, so that the insertion part 940 can extend into the second through hole 812 and clamp the lifting rope 400. The elastic member 920 is a spring or a spring plate.

In some embodiments, the third magnetic member 910 is an electromagnet and the fourth magnetic member 930 is a permanent magnet. In other embodiments, the third magnetic member 910 is a permanent magnet and the fourth magnetic member 930 is an electromagnet.

Furthermore, a positioning groove (not shown in the figures) is disposed at an end of the insertion part 940 near the second through hole 812, when the insertion part 940 extends into the second through hole 812, the lifting rope 400 can be clamped in the positioning groove to prevent the lifting rope 400 from loosening and sliding, and a wear pad (not shown in the figures) is disposed on an inner wall of the second through hole 812 to increase a friction force between the wear pad and the lifting rope 400 to facilitate braking of the lifting rope 400.

The electric lifting decoration hoisting device is provided with the first brake mechanism 500 and the second brake mechanism 900, the first brake mechanism 500 can limit the rotation of the first winding drum 210 in a power-off state, so that the first driving mechanism 300 is indirectly braked to stop the rotation of the first driving mechanism 300, the situation that the first driving mechanism 300 cannot stop due to overload faults, the hoisting piece 10 slides down is avoided, and the safety factor during hoisting is improved; second arrestment mechanism 900 can brake lifting rope 400 and stop sliding, further prevents to hang a 10 landing, improves factor of safety, and structural design is simple reasonable, the simple operation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an electric lift decorates hoist device for hoist and mount hang a piece, its characterized in that includes:

2. The electric lifting decorative hoisting device of claim 1, wherein the first brake mechanism comprises a first magnetic member and a second magnetic member, the first magnetic member is fixed to the first housing, the second magnetic member is fixed to the first winding drum, in a power-off state, the first magnetic member and the second magnetic member generate attraction force due to opposite polarities, the second magnetic member stops moving due to friction force generated by close fit of the first magnetic member and the second magnetic member, and brakes the first winding drum to stop rotating, so as to mechanically assist in braking the first driving mechanism.

3. The electrical lifting decorative lifting device as claimed in claim 1, wherein the first winding assembly comprises a connecting member and a main shaft, the main shaft is fixed to the first housing, the connecting member is sleeved on the main shaft to rotatably connect the connecting member with the main shaft, and the first winding drum is connected with the connecting member to rotatably connect the first winding drum with respect to the first housing.

4. The electric lifting decorative hoisting device of claim 3, further comprising a gear, wherein the gear and the first driving mechanism are coaxially disposed in the first winding drum, the inner wall of the winding drum is provided with a tooth groove engaged with the gear, and the first driving mechanism is in transmission connection with the gear and is used for driving the gear to rotate, so that the gear drives the first winding drum to rotate.

5. The electric lifting decorative hoisting device of claim 4, wherein the first driving mechanism comprises a motor and an output shaft driven by the motor, the motor is fixed at one end of the main shaft far away from the first shell, and the output shaft is fixedly connected with the gear.

6. The electric lifting decorative hoisting device of claim 1, wherein a first wire-clamping groove is formed on the outer side of the first winding drum, a protrusion is arranged on the outer side of the first winding drum near the first wire-clamping groove, and the lifting rope can be clamped in the first wire-clamping groove and limited by the protrusion.

7. The electric lifting decorative hoisting device of claim 1, further comprising a second housing and a second winding assembly, wherein the second winding assembly comprises a second winding drum, the second housing is connected to the bottom of the first housing, the second housing is provided with an inlet and an outlet, the second winding drum is fixed to the second housing, and the other end of the lifting rope passes through the outlet and the inlet, so that the lifting rope is wound outside the second winding drum and passes through the outlet.

8. The electric lifting decorative hoisting device of claim 7, wherein the second winding drum is provided with a first through hole, the first through hole radially penetrates through the second winding drum and corresponds to the outlet, the lifting rope is circumferentially wound around the second winding drum, and the lifting rope penetrates through the first through hole, penetrates through the outlet and is connected with the lifting element.

9. The electric lifting decorative hoisting device of claim 8, further comprising a second brake mechanism, wherein the second winding drum is provided with a second through hole, the second through hole axially penetrates through the second winding drum, the first through hole and the second through hole are substantially perpendicular and mutually communicated, and the second brake mechanism can extend into the second through hole in a power-off state and clamp the lifting rope to brake the lifting rope.

10. The electric lifting decorative hoisting device of claim 9, wherein the second brake mechanism comprises a third magnetic member, an elastic member, a fourth magnetic member and an insertion portion, the third magnetic member is fixed to the second housing, the elastic member is connected between the third magnetic member and the fourth magnetic member, the insertion portion is connected to the fourth magnetic member, the third magnetic member and the fourth magnetic member have the same polarity to generate a repulsive force when the second brake mechanism is in a power-off state, and the elastic member is extended to allow the insertion portion to extend into the second through hole.