CN115398150A - Lifting device and lighting equipment - Google Patents
Lifting device and lighting equipment Download PDFInfo
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- CN115398150A CN115398150A CN202280002488.4A CN202280002488A CN115398150A CN 115398150 A CN115398150 A CN 115398150A CN 202280002488 A CN202280002488 A CN 202280002488A CN 115398150 A CN115398150 A CN 115398150A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 208000027418 Wounds and injury Diseases 0.000 description 10
- 230000001960 triggered effect Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The application provides a lifting device and lighting apparatus, wherein lifting device includes: the bottom rod (1) is internally provided with a first sliding cavity (11); the lifting device comprises a plurality of lifting rods (2), wherein a second sliding cavity (21) is formed in each lifting rod (2), the lifting rods (2) are sequentially arranged along the length direction of the lifting rods, the first lifting rod (2) is arranged in the first sliding cavity (11) of the bottom rod (1) in a sliding mode, the next lifting rod (2) is arranged in the second sliding cavity (21) of the previous lifting rod (2) in a sliding mode, and two adjacent lifting rods (2) are in transmission connection; the power part (2) is in transmission connection with the first lifting rod (2) and is used for driving the plurality of lifting rods (2) to lift; the anti-falling device (4) is connected with at least one lifting rod (2).
Description
Technical Field
The application relates to the technical field of lighting equipment, in particular to a lifting device and the lighting equipment.
Background
Based on the country, the encampment consumption is vigorously advocated for improving the consumption level of people and improving the life quality of people, and the encampment consumption site belongs to the field environment and is usually very remote, so that portable and mobile lighting equipment is essential equipment, and a lifting rod used by the mobile lighting equipment is the most important component of the mobile lighting equipment, and the safety, reliability and lightness of the lifting rod become the material guarantee of the encampment consumption;
original mobile lighting equipment, though also can solve the mobile lighting lift problem, but the lifter can lead to falling fast because mechanical failure splits at the lift in-process, but the safe and reliable problem that can solve the lifter and drop suddenly on the existing market hardly, consequently has certain use potential safety hazard.
Disclosure of Invention
The application aims to provide a lifting device and lighting equipment to solve the technical problem that lifting lighting equipment in the prior art causes potential safety hazards due to sudden falling of a lifting rod.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
in a first aspect, there is provided a lifting device comprising:
the top of the bottom rod is provided with a first sliding opening communicated with the first sliding cavity;
each lifting rod is internally provided with a second sliding cavity, the top of each lifting rod is provided with a second sliding opening communicated with the second sliding cavity, the plurality of lifting rods are sequentially arranged along the length direction of the lifting rods, the first lifting rod is arranged in the first sliding cavity of the bottom rod in a sliding manner, the next lifting rod is arranged in the second sliding cavity of the previous lifting rod in a sliding manner, and the two adjacent lifting rods are in transmission connection;
the power part is in transmission connection with the first lifting rod and is used for driving the plurality of lifting rods to lift;
and the anti-falling device is connected with at least one lifting rod.
By adopting the technical scheme, the anti-falling device is arranged on at least one lifting rod, so that when the connecting lifting rod suddenly falls, the anti-falling device is triggered, the anti-falling device tightens the anti-falling cable, the lifting rod stops falling, and the lifting rod and the lighting device arranged on the lifting rod are protected.
In one embodiment, the anti-falling device is connected with two adjacent lifting rods, a first anti-falling pulley is arranged on one side wall of the top of the first lifting rod of the two lifting rods, a second anti-falling pulley is arranged on two opposite side walls of the bottom of the second lifting rod of the two lifting rods, the anti-falling device is provided with a telescopic anti-falling cable, one end of the anti-falling cable is wound on the anti-falling device, the other end of the anti-falling cable is fixed on the side wall of the top of the first lifting rod opposite to the side wall provided with the first anti-falling pulley, and the anti-falling cable is sequentially wound on the first anti-falling pulley and the second anti-falling pulley;
when the descending speed of the lifting rod exceeds a threshold value, the anti-falling device tightens the anti-falling cable to enable the lifting rod to stop descending.
Through adopting above-mentioned technical scheme, anti-falling device can prevent falling suddenly of lifter, has improved the security of lifter and the lighting device who arranges on the lifter.
In one embodiment, the anti-falling device is connected with a first lifting rod, a first anti-falling pulley is arranged on one side wall of the top of the bottom rod, a second anti-falling pulley is arranged on two opposite side walls of the bottom of the first lifting rod respectively, the anti-falling device is provided with a telescopic anti-falling cable, one end of the anti-falling cable is wound on the anti-falling device, the other end of the anti-falling cable is fixed on the side wall of the top of the bottom rod opposite to the side wall provided with the first anti-falling pulley, and the anti-falling cable is sequentially wound on the first anti-falling pulley and the second anti-falling pulley;
when the descending speed of the lifting rod exceeds a threshold value, the anti-falling device tightens the anti-falling cable to enable the lifting rod to stop descending.
Through adopting above-mentioned technical scheme, anti-falling device can prevent falling suddenly of first lifter, because first lifter is connected with other lifter transmissions, consequently anti-falling device can prevent simultaneously that a plurality of lifters from falling, has improved the lifter and has arranged the lighting device's on the lifter security.
In one embodiment, the anti-falling device comprises an anti-falling runner, a ratchet wheel, a pawl and an elastic part, the anti-falling runner is connected with the bottom rod and can rotate around a shaft relative to the ratchet wheel, the ratchet wheel and the anti-falling runner are coaxially arranged, the ratchet wheel is circumferentially provided with a plurality of tooth parts, the pawl is telescopically arranged on the anti-falling runner, and the elastic part is connected with the pawl and the anti-falling runner;
the anti-falling rope is wound on the anti-falling runner, and when the rotating speed of the anti-falling runner exceeds a threshold value, the pawl stretches out of the periphery of the anti-falling runner under the action of centrifugal force and is clamped on one tooth part of the ratchet wheel.
By adopting the technical scheme, the anti-falling device is simple in structure and high in reliability.
In one embodiment, the power unit includes a hoisting structure, a first lifting pulley, two second lifting pulleys and a first lifting cable, the hoisting structure is fixedly connected to the bottom rod, the first lifting pulley is disposed on one of the side walls of the top of the bottom rod, the two second lifting pulleys are disposed on two opposite side walls of the bottom of the first lifting rod, the first lifting cable is wound on the hoisting structure, the hoisting structure is configured to stretch and retract the first lifting cable, one end of the first lifting cable is connected to the hoisting structure, the other end of the first lifting cable is fixedly connected to the side wall of the top of the bottom rod opposite to the side wall on which the first lifting pulley is disposed, and the first lifting cable is sequentially wound on the first lifting pulley and the second lifting pulley.
Through adopting above-mentioned technical scheme, the lift simple structure of first lifter just easily controls the lift.
In one embodiment, the power unit further includes two third lifting pulleys, two fourth lifting pulleys and a second lifting cable, the two third lifting pulleys are respectively disposed on two sides of the top of the second lifting rod of any group of three sequentially arranged lifting rods, the two fourth lifting pulleys are respectively disposed on two sides of the bottom of the third lifting rod of any group of three sequentially arranged lifting rods, wherein one third lifting pulley and one fourth lifting pulley correspond to one group and are located on the same side;
the two ends of the second lifting rope are respectively fixed on the two sides of the top of the first lifting rod of any group of three lifting rods which are sequentially arranged, and the second lifting rope is sequentially wound on the third lifting pulley and the fourth lifting pulley which are positioned on the same side, and the fourth lifting pulley and the third lifting pulley which are positioned on the other side.
Through adopting above-mentioned technical scheme, a plurality of lifter go up and down in step, have improved the efficiency that the lifter goes up and down.
In one embodiment, the arrangement direction of the two third lifting pulleys on the first lifting rod of any one group of three lifting rods arranged in sequence is perpendicular to the arrangement direction of the two third lifting pulleys on the second lifting rod of any one group of three lifting rods arranged in sequence.
By adopting the technical scheme, the possibility of interference of the third lifting pulley and the fourth lifting pulley among different lifting rods is reduced.
In one embodiment, the lifting device further includes a top rod for arranging a lighting device, the top rod is slidably disposed in the second sliding cavity of the last lifting rod, a fifth lifting pulley is disposed at the bottom of the top rod, and the second lifting cable of the last lifting rod is wound around the third lifting pulley and the fifth lifting pulley.
By adopting the technical scheme, the lifting height of the lifting device is further improved.
In one embodiment, the top of the top bar is provided with a mounting plate for securing a lighting device.
Through adopting above-mentioned technical scheme, the lighting device's of being convenient for installation.
In a second aspect, a lighting device is provided, which comprises a lighting device and the lifting device, wherein the lighting device is mounted on the top of the lifting device.
By adopting the technical scheme, the anti-falling device is arranged on at least one lifting rod, so that when the connecting lifting rod suddenly falls, the anti-falling device is triggered, the anti-falling device tightens the anti-falling cable, the lifting rod stops falling, and the lighting equipment is protected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective structural view of a lifting device provided in an embodiment of the present application;
FIG. 2 is a perspective view of a base and bottom bar according to an embodiment of the present disclosure;
fig. 3 is a perspective view of a first lifting rod according to an embodiment of the present disclosure;
fig. 4 is a perspective view of a second lifting rod according to an embodiment of the present disclosure;
FIG. 5 is a cross-sectional view of a lift device provided in an embodiment of the present application;
FIG. 6 is a schematic view of a fall arrest device provided in accordance with an embodiment of the present application;
FIG. 7 is a perspective view of a top bar according to an embodiment of the present application;
fig. 8 is a perspective view of the base and the bottom bar from another perspective according to the embodiment of the present disclosure.
The figures are numbered:
1. a bottom bar; 2. a lifting rod; 3. a power section; 4. the anti-falling device; 5. a top bar; 6. a position sensor; 7. a base;
11. a first sliding chamber; 12. a first slide opening; 13. a first anti-falling pulley;
21. a second sliding chamber; 22. a second slide opening; 23. a second anti-falling pulley;
41. a fall preventing rope; 42. the anti-falling runner; 43. a ratchet wheel; 44. a pawl; 45. an elastic member; 46. a guide bar; 47. a guide wheel; 48. a protective cover;
31. a hoisting structure; 32. a first lifting pulley; 33. a second lifting pulley; 34. a first halyard; 35. a third lifting pulley; 36. a fourth lifting pulley; 37. a second halyard;
51. a fifth lifting pulley; 52. installing a disc;
71. a first seat body; 72. a second seat body.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and are thus not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. Specific implementations of the present application are described in more detail below with reference to specific embodiments:
as shown in fig. 1 to 3, an embodiment of the present application provides a lifting device, which is used for adjusting the height of a lighting device to obtain a larger lighting area; it can be understood that the lighting device is fixed on the top of the lifting device, and the upgrading device changes the height of the upgrading device in a telescopic mode, so that the height of the lighting device on the top is adjusted; specifically, the lighting device comprises a plurality of lifting rods, two adjacent lifting rods are sleeved and can move relatively under the driving of the power part, and the whole body of the plurality of lifting rods can be extended or shortened. The following is illustrated by way of specific embodiments:
the lifting device comprises: the anti-falling device comprises a bottom rod 1, a plurality of lifting rods 2, a power part 3 and an anti-falling device 4;
the bottom rod 1 is internally provided with a first sliding cavity 11, and the top of the bottom rod 1 is provided with a first sliding opening 12 communicated with the first sliding cavity 11; it can be understood that the bottom rod 1 is used for being fixed on the ground and used for supporting, the bottom rod 1 is fixed relative to the ground, a first sliding cavity 11 is arranged in the bottom rod 1, the first sliding cavity 11 is arranged along the length direction of the bottom rod 1, a first sliding opening 12 is arranged at the top of the bottom rod 1, the caliber of the first sliding opening 12 is matched with the size of the outer edge of the lifting rod 2, the lifting rod 2 can slide into the first sliding cavity 11 from the first sliding opening 12, and the first lifting rod 2 is in clearance fit with the first sliding cavity 11, so that the first lifting rod 2 can slide relative to the first sliding cavity 11.
A plurality of lifting rods 2 are arranged, a second sliding cavity 21 is arranged in each lifting rod 2, a second sliding opening 22 communicated with the second sliding cavity 21 is arranged at the top of each lifting rod 2, the plurality of lifting rods 2 are sequentially arranged along the length direction of each lifting rod 2, a first lifting rod 2 is arranged in the first sliding cavity 11 of the bottom rod 1 in a sliding manner, a next lifting rod 2 is arranged in the second sliding cavity 21 of the previous lifting rod 2 in a sliding manner, and two adjacent lifting rods 2 are in transmission connection; it can be understood that, referring to fig. 4 and fig. 5, there are N lifting rods 2, where N is a natural number greater than zero, where the first lifting rod 2 is slidably disposed in the bottom rod 1, the (N + 1) th lifting rod 2 is slidably disposed in the nth lifting rod 2, and the sizes of the outer edges of the plurality of lifting rods 2 are sequentially reduced from the bottom rod 1 upward, so that the weights of the lifting rods 2 are sequentially reduced, and the plurality of lifting rods 2 are conveniently extended to the height. Specifically, the plurality of lifting rods 2 are sequentially sleeved, that is, the next lifting rod 2 is slidably disposed in the previous lifting rod 2.
The power part 3 is in transmission connection with the first lifting rod 2 and is used for driving the plurality of lifting rods 2 to lift; it can be understood that the power part 3 includes, but is not limited to, a winding device, and the first lifting rod 2 is lifted or lowered by using a telescopic rope, and then the plurality of lifting rods 2 are synchronously lifted or lowered by the transmission connection of two adjacent lifting rods 2.
And the anti-falling device 4 is connected with at least one lifting rod 2. It will be appreciated that when the rate of descent of the lifting bar 2 exceeds a threshold value, the fall arrest device 4 tightens the fall arrest cable, stopping the descent of the lifting bar 2. Specifically, the fall height of the fall protection device 4 triggered is greater than or equal to 100mm, that is, the fall protection device 4 can be triggered only when the lifting rod 2 falls at a relative height greater than or equal to 100mm, and the fall hazard occurring at a height less than the fall height is small, and the fall protection device 4 does not need to be triggered.
By adopting the technical scheme, the anti-falling device 4 is arranged on at least one lifting rod 2, so that when the connecting lifting rod 2 suddenly falls, the anti-falling device 4 is triggered, the anti-falling device 4 tightens the anti-falling cable, the lifting rod 2 stops falling, and the lifting rod 2 and the lighting device arranged on the lifting rod 2 are protected.
In one embodiment, the anti-falling device 4 is connected with two adjacent lifting rods 2, a first anti-falling pulley 13 is arranged on one side wall of the top of the first lifting rod 2 in the two lifting rods 2, second anti-falling pulleys 23 are respectively arranged on two opposite side walls of the bottom of the second lifting rod 2 in the two lifting rods 2, the anti-falling device 4 is provided with a telescopic anti-falling cable 41, one end of the anti-falling cable 41 is wound on the anti-falling device 4, the other end of the anti-falling cable 41 is fixed on the side wall of the top of the first lifting rod 2 opposite to the side wall provided with the first anti-falling pulley 13, and the anti-falling cable 41 is sequentially wound on the first anti-falling pulley 13 and the second anti-falling pulley 23; it will be appreciated that the fall arrest device 4 serves to prevent the lifting rod 2 from suddenly dropping; specifically, the lifting rod 2 close to the bottom rod 1 of the two adjacent lifting rods 2 is a first lifting rod 2, the lifting rod 2 far from the bottom rod 1 of the two adjacent lifting rods 2 is a second lifting rod 2, the second lifting rod 2 is slidably disposed in the first lifting rod 2, the anti-falling cable 41 extends from the anti-falling device 4, winds around the first anti-falling pulley 13, extends into the second sliding cavity 21 of the first lifting rod 2, and extends towards the bottom of the second sliding cavity 21 until winding around the second anti-falling pulley 23 at the bottom of the second lifting rod 2, and finally, the tail end of the anti-falling cable 41 is fixed on the side wall of the top of the first lifting rod 2 opposite to the side wall on which the first anti-falling pulley 13 is disposed, that is, two ends of the anti-falling cable 41 are respectively located on two opposite side walls of the top of the first lifting rod 2.
When the descending speed of the lifting rod 2 exceeds the threshold value, the anti-falling device 4 tightens the anti-falling cable 41, and since the anti-falling cable 41 winds the second anti-falling pulley 23 arranged at the bottom of the second lifting rod 2, which is equivalent to suspending the second lifting rod 2 in the first lifting rod 2, when the anti-falling cable 41 stops being released, the second lifting rod 2 can not move downwards any more, namely, the second lifting rod 2 stops descending. When the descending speed of the second lifting rod 2 is a normal value, the falling prevention device 4 normally releases the falling prevention cable 41, and the falling prevention cable 41 is lengthened by the second lifting rod 2, namely, the second lifting rod 2 normally descends.
By adopting the technical scheme, the anti-falling device 4 can prevent the lifting rod 2 from suddenly falling, and the safety of the lifting rod 2 and the lighting device arranged on the lifting rod 2 is improved.
In one embodiment, the anti-falling device 4 is connected with the first lifting rod 2, a first anti-falling pulley 13 is arranged on one side wall of the top of the bottom rod 1, second anti-falling pulleys 23 are respectively arranged on two opposite side walls of the bottom of the first lifting rod 2, the anti-falling device 4 is provided with a telescopic anti-falling cable 41, one end of the anti-falling cable 41 is wound on the anti-falling device 4, the other end of the anti-falling cable 41 is fixed on the side wall of the top of the bottom rod 1 opposite to the side wall provided with the first anti-falling pulley 13, and the anti-falling cable 41 is sequentially wound on the first anti-falling pulley 13 and the second anti-falling pulley 23; it will be appreciated that the fall arrest device 4 serves to prevent the first lifter bar 2 from suddenly falling; specifically, the lifting rod 2 closest to the bottom rod 1 in the plurality of lifting rods 2 is a first lifting rod 2, the first lifting rod 2 is slidably disposed in the bottom rod 1, the anti-falling cable 41 extends from the anti-falling device 4, winds around the first anti-falling pulley 13, extends into the first sliding cavity 11 of the bottom rod 1, and extends toward the bottom of the first sliding cavity 11 until it winds around the second anti-falling pulley 23 disposed at the bottom of the first lifting rod 2, and finally, the tail end of the anti-falling cable 41 is fixed on the side wall of the top of the bottom rod 1 opposite to the side wall on which the first anti-falling pulley 13 is disposed, that is, the two ends of the anti-falling cable 41 are respectively located on the two opposite side walls of the top of the bottom rod 1.
When the descending speed of the first lifting rod 2 exceeds the threshold value, the anti-falling device 4 tightens the anti-falling cable 41, and the anti-falling cable 41 winds the second anti-falling pulley 23 arranged at the bottom of the first lifting rod 2, which is equivalent to suspending the first lifting rod 2 in the bottom rod 1, so when the anti-falling cable 41 stops being released, the first lifting rod 2 can not move downwards any more, namely, the first lifting rod 2 stops descending. When the lowering speed of the first lifting rod 2 is a normal value, the fall preventing device 4 normally releases the fall preventing cable 41, and the fall preventing cable 41 is extended by the first lifting rod 2, that is, the first lifting rod 2 normally descends.
Through adopting above-mentioned technical scheme, anti-falling device 4 can prevent falling suddenly of first lifter 2, because first lifter 2 is connected with other lifter 2 transmissions, consequently anti-falling device 4 can prevent simultaneously that a plurality of lifters 2 from falling, has improved lifter 2 and the security of arranging the lighting device on lifter 2.
In one embodiment, referring to fig. 6 together, the anti-falling device 4 includes an anti-falling wheel 42, a ratchet wheel 43, a pawl 44 and an elastic member 45, the anti-falling wheel 42 is connected with the bottom rod 1, the anti-falling wheel 42 can rotate around a shaft relative to the ratchet wheel 43, the ratchet wheel 43 and the anti-falling wheel 42 are coaxially arranged, the ratchet wheel 43 is circumferentially provided with a plurality of tooth parts, the pawl 44 is telescopically arranged on the anti-falling wheel 42, and the elastic member 45 connects the pawl 44 and the anti-falling wheel 42;
wherein the anti-falling cable 41 is wound on the anti-falling runner 42, when the rotation speed of the anti-falling runner 42 exceeds a threshold value, the pawl 44 extends out of the periphery of the anti-falling runner 42 under the action of centrifugal force and is clamped on one tooth part of the ratchet wheel 43.
It can be understood that when the lifting rod 2 normally descends, the anti-falling cable 41 is pulled out of the anti-falling device 4 through the second anti-falling pulley 23 at the bottom, that is, the anti-falling cable 41 is released from the anti-falling runner 42, at this time, the rotation speed of the anti-falling runner 42 is still within the threshold value, then the pawl 44 is retracted in the anti-falling runner 42 under the elastic force of the elastic member 45, that is, the pawl 44 does not protrude from the anti-falling runner 42, the anti-falling runner 42 can normally rotate to release the anti-falling cable 41, and the lifting rod 2 normally descends; when the lowering speed of the lifting rod 2 exceeds a threshold value, the rotational speed of the catch wheel 42 exceeds the threshold value, and the pawl 44 projects beyond the edge of the catch wheel 42 under the influence of centrifugal force and engages in one of the teeth of the ratchet wheel 43, so that the rotation of the catch wheel 42, i.e. at the same time the release of the catch cable 41, is stopped and the lowering rod 2 stops.
By adopting the technical scheme, the anti-falling device 4 is simple in structure and high in reliability.
In one embodiment, the anti-falling device 4 further comprises a guide rod 46 and a guide wheel 47, one end of the guide rod 46 is abutted with the first anti-falling pulley 13, the other end of the guide rod 46 is provided with the guide wheel 47, the anti-falling cable 41 is wound on the first anti-falling pulley 13, the guide wheel 47 and the anti-falling runner 42 in sequence, and the anti-falling cable 41 is slidably arranged in a guide cavity inside the guide rod 46.
It will be appreciated that the fall arrest cable 41 will move at a high speed in the event of a fall in the lifter bar 2, and as such the fall arrest cable 41 will tend to fall off the first fall arrest pulley 13 and fall arrest runner 42, causing the fall arrest function to fail.
By adopting the technical scheme, the directional movement of the anti-falling cable 41 is guided, and the possibility that the anti-falling cable 41 falls off accidentally is reduced.
In one embodiment, the fall arrest device 4 further includes a shield 48 disposed over the fall arrest runner 42.
It will be appreciated that the fall arrest runner 42 will rotate at high speed in the event of a fall in the lifter bar 2, which could easily cause injury to personnel if the fall arrest runner 42 is exposed.
By adopting the technical scheme, the anti-falling runner 42 is accommodated in the protective cover 48, so that the protection performance of operators is improved.
In one embodiment, the power unit 3 includes a hoisting structure 31, a first lifting pulley 32, two second lifting pulleys 33 and a first lifting cable 34, the hoisting structure 31 is fixedly connected to the bottom rod 1, the first lifting pulley 32 is disposed on one side wall of the top of the bottom rod 1, the two second lifting pulleys 33 are respectively disposed on two opposite side walls of the bottom of the first lifting rod 2, the first lifting cable 34 is wound on the hoisting structure 31, the hoisting structure 31 is used for extending and retracting the first lifting cable 34, one end of the first lifting cable 34 is connected to the hoisting structure 31, the other end of the first lifting cable 34 is fixedly connected to the side wall of the top of the bottom rod 1 opposite to the side wall on which the first lifting pulley 32 is disposed, and the first lifting cable 34 is sequentially wound on the first lifting pulley 32 and the second lifting pulley 33.
It will be appreciated that the hoisting structure 31 retracts the first halyard 34 by forward rotation, and releases the first halyard 34 by reverse rotation, and since one end of the first halyard 34 is wound around the hoisting structure 31, the other end of the first halyard 34 is fixed to the bottom bar 1, and after the first halyard 34 is extended from the hoisting structure 31, it is further inserted into the bottom bar 1 and extended into the first sliding chamber 11 and extended toward the bottom of the first sliding chamber 11, and finally, the first halyard 34 is sequentially wound around the first and second halyards 32 and 33.
Specifically, the first lifting rope 34 extends into the first sliding chamber 11, i.e. the first lifting rope 34 suspends the first lifting rod 2 in the first sliding chamber 11 through the second lifting pulley 33 at the bottom, and the hoisting structure 31 retracts the first lifting rope 34, i.e. the length of the first lifting rope 34 is shortened, i.e. the first lifting rope 34 lifts the first lifting rod 2, i.e. the first lifting rod 2 is lifted relative to the bottom rod 1; when the hoisting structure 31 pays out the first hoisting rope 34, i.e. the length of the first hoisting rope 34 is lengthened, i.e. the first hoisting rope 34 lowers the first hoisting bar 2, i.e. the first hoisting bar 2 is lowered relative to the bottom bar 1.
Through adopting above-mentioned technical scheme, the lift simple structure of first lifter 2 just easily controls the lift.
In one embodiment, the power unit 3 further includes two third lifting pulleys 35, two fourth lifting pulleys 36 and a second lifting cable 37, the two third lifting pulleys 35 are respectively disposed on two sides of the top of the second lifting rod 2 in any group of three lifting rods 2 arranged in sequence, the two fourth lifting pulleys 36 are respectively disposed on two sides of the bottom of the third lifting rod 2 in any group of three lifting rods 2 arranged in sequence, wherein one third lifting pulley 35 and one fourth lifting pulley 36 correspond to one group and are located on the same side;
both ends of the second lifting rope 37 are respectively fixed to both sides of the top of the first lifting rod 2 in any group of three lifting rods 2 arranged in sequence, and the second lifting rope 37 is sequentially wound around the third lifting pulley 35 and the fourth lifting pulley 36 which are positioned on the same side, and the fourth lifting pulley 36 and the third lifting pulley 35 which are positioned on the other side.
It can be understood that the winding structure 31 can make the first lifting rod 2 ascend or descend, and when the first lifting rod 2 ascends or descends, the plurality of lifting rods 2 can ascend or descend synchronously through the design;
specifically, since both ends of the second halyard 37 are fixed to both sides of the top of the first halyard 2, and the second halyard 37 sequentially winds around the third halyard 35 provided on the second halyard 2 and the fourth halyard 36 provided on the third halyard 2, that is, the second halyard 37 extends into the second sliding chamber 21 of the second halyard 2 and extends toward the bottom of the second sliding chamber 21 until it winds around the fourth halyard 36 provided on the bottom of the third halyard 2, so that the third halyard 2 is suspended from the second halyard 37, when the first and second halyards 2 and 2 are relatively pulled, the exposed second halyard 37 becomes long, which results in that the second halyard 37 extending into the second sliding chamber 21 of the second halyard 2 becomes partially short, so that the second halyard 37 lifts the third halyard 2, so that the third halyard 2 is relatively lifted; similarly, when the first lifter bar 2 and the second lifter bar 2 are relatively shortened, the exposed second lifter cable 37 is shortened, which causes the portion of the second lifter cable 37 extending into the second sliding chamber 21 of the second lifter bar 2 to be lengthened, so that the second lifter cable 37 lowers the third lifter bar 2, and the third lifter bar 2 is relatively lowered;
it should be further explained that both ends of a second lifting rope 37 are fixed to both sides of the top of the bottom bar 1, and the second lifting rope 37 is wound around the third lifting pulley 35 of the first lifting bar 2 and the fourth lifting pulley 36 of the second lifting bar 2 in turn, i.e., the second lifting rope 37 is inserted into the second sliding chamber 21 of the first lifting bar 2 and extends toward the bottom of the second sliding chamber 21 until it is wound around the fourth lifting pulley 36 of the bottom of the second lifting bar 2, so that it is equivalent to the second lifting bar 2 being hung on the second lifting rope 37, and thus the second lifting bar 2 can be lifted and lowered synchronously with the first lifting bar 2.
Through adopting above-mentioned technical scheme, a plurality of lifter 2 go up and down in step, have improved the efficiency that lifter 2 goes up and down.
In one embodiment, the arrangement direction of the two third lifting pulleys 35 on the first lifting rod 2 in any one group of three lifting rods 2 arranged in sequence is perpendicular to the arrangement direction of the two third lifting pulleys 35 on the second lifting rod 2 in any one group of three lifting rods 2 arranged in sequence.
It can be understood that the arrangement directions of the third lifting pulley 35 and the fourth lifting pulley 36 in one lifting rod 2 are the same, that is, the arrangement direction of the two fourth lifting pulleys 36 on the first lifting rod 2 in any group of three lifting rods 2 arranged in sequence is perpendicular to the arrangement direction of the two fourth lifting pulleys 36 on the second lifting rod 2 in any group of three lifting rods 2 arranged in sequence; specifically, the two adjacent second halyard 37 are alternately disposed in a staggered manner to prevent interference.
By adopting the technical scheme, the possibility of interference of the third lifting pulley 35 and the fourth lifting pulley 36 between different lifting rods 2 is reduced.
In one embodiment, as shown in fig. 7, the lifting device further comprises a top rod 5 for arranging the lighting device, the top rod 5 is slidably disposed in the second sliding cavity 21 of the last lifting rod 2, a fifth lifting pulley 51 is disposed at the bottom of the top rod 5, and the second lifting cable 37 of the last lifting rod 2 is wound around the third lifting pulley 35 and the fifth lifting pulley 51.
It will be appreciated that the top bar 5 is raised and lowered in synchronism with the plurality of lifting bars 2.
By adopting the technical scheme, the lifting height of the lifting device is further improved.
In one embodiment, the top of the top bar 5 is provided with a mounting plate 52 for securing a lighting device.
It will be appreciated that the mounting plate 52 has a mounting surface for carrying and securing a lighting device.
Through adopting above-mentioned technical scheme, the lighting device's of being convenient for installation.
In one embodiment, as shown in fig. 8, the lifting device further comprises a position sensor 6, the position sensor 6 is arranged on the bottom rod 1, and a contact of the position sensor 6 extends into the first sliding cavity 11 of the bottom rod 1 and abuts against the lifting rod 2.
It will be appreciated that the position sensor 6 is electrically connected to the winding structure 31, and the position sensor 6 is used to sense the position of the lifting bar 2 and send position information to the winding structure 31, so that the winding structure 31 acquires the position information and controls the deployment of the first halyard 34.
Through adopting above-mentioned technical scheme, improved the degree of automation that lifter 2 goes up and down.
In one embodiment, the lifting device further comprises a base 7 for fixing on the ground, a fixing cavity is arranged in the base 7, and the bottom rod 1 is fixedly arranged in the fixing cavity.
Through adopting above-mentioned technical scheme, can further fix bottom pole 1 on ground, like this, improved elevating gear's stability.
In one embodiment, the base 7 includes a first seat 71 and a second seat 72 connected to the first seat 71, a slot is formed on one side of the top of the first seat 71, the second seat 72 covers the slot, and a fixing cavity is defined by the first seat 71 and the second seat 72;
wherein, one of the first seat body 71 and the second seat body 72 is provided with a power part 3, and the other of the first seat body 71 and the second seat body 72 is provided with a falling prevention device 4.
Through adopting above-mentioned technical scheme, do benefit to the installation of bottom pole 1, lifter 2 and top pole 5.
In a second aspect, a lighting device is provided, which comprises a lighting device and the lifting device, wherein the lighting device is mounted on the top of the lifting device.
By adopting the technical scheme, the anti-falling device 4 is arranged on at least one lifting rod 2, so that when the connecting lifting rod 2 suddenly falls, the anti-falling device 4 is triggered, the anti-falling device 4 tightens the anti-falling cable 41, the lifting rod 2 stops falling, and the lighting equipment is protected.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (15)
1. A lifting device, comprising:
the top of the bottom rod is provided with a first sliding opening communicated with the first sliding cavity;
each lifting rod is internally provided with a second sliding cavity, the top of each lifting rod is provided with a second sliding opening communicated with the second sliding cavity, the plurality of lifting rods are sequentially arranged along the length direction of the lifting rods, the first lifting rod is arranged in the first sliding cavity of the bottom rod in a sliding manner, the next lifting rod is arranged in the second sliding cavity of the previous lifting rod in a sliding manner, and the two adjacent lifting rods are in transmission connection;
the power part is in transmission connection with the first lifting rod and is used for driving the plurality of lifting rods to lift;
and the anti-falling device is connected with at least one lifting rod.
2. The lifting device according to claim 1, wherein the anti-falling device is connected with two adjacent lifting rods, a first anti-falling pulley is arranged on one side wall of the top of the lifting rod of the first lifting rod, a second anti-falling pulley is arranged on the opposite side wall of the bottom of the lifting rod of the second lifting rod, the anti-falling device is provided with a telescopic anti-falling cable, one end of the anti-falling cable is wound on the anti-falling device, the other end of the anti-falling cable is fixed on the side wall of the top of the first lifting rod opposite to the side wall provided with the first anti-falling pulley, and the anti-falling cable is sequentially wound on the first anti-falling pulley and the second anti-falling pulley;
when the descending speed of the lifting rod exceeds a threshold value, the anti-falling device tightens the anti-falling cable, so that the lifting rod stops descending.
3. The lifting device according to claim 1, wherein the anti-falling device is connected to a first one of the lifting rods, a first anti-falling pulley is provided on one of the side walls of the top of the bottom rod, a second anti-falling pulley is provided on each of the opposite side walls of the bottom of the first one of the lifting rods, the anti-falling device is provided with a retractable anti-falling cable, one end of the anti-falling cable is wound around the anti-falling device, the other end of the anti-falling cable is fixed to the side wall of the top of the bottom rod opposite to the side wall provided with the first anti-falling pulley, and the anti-falling cable is wound around the first anti-falling pulley and the second anti-falling pulley in sequence;
when the descending speed of the lifting rod exceeds a threshold value, the anti-falling device tightens the anti-falling cable to enable the lifting rod to stop descending.
4. The lifting device of claim 3, wherein the fall arrest device comprises a fall arrest runner connected to the bottom bar, a ratchet rotatable about an axis relative to the ratchet, a pawl coaxially disposed with the fall arrest runner, the ratchet having a plurality of teeth circumferentially disposed thereon, and an elastic member connecting the pawl and the fall arrest runner;
the anti-falling rope is wound on the anti-falling runner, and when the rotating speed of the anti-falling runner exceeds a threshold value, the pawl stretches out of the periphery of the anti-falling runner under the action of centrifugal force and is clamped on one tooth part of the ratchet wheel.
5. The lifting device according to claim 4, wherein the anti-falling device further comprises a guide rod and a guide wheel, one end of the guide rod is abutted against the first anti-falling pulley, the other end of the guide rod is provided with the guide wheel, the anti-falling cable is sequentially wound on the first anti-falling pulley, the guide wheel and the anti-falling runner, and the anti-falling cable is slidably arranged in a guide cavity inside the guide rod.
6. The lift device of claim 4, wherein the fall arrest device further comprises a shield positioned over the fall arrest rotor.
7. The lifting device as claimed in claim 3, wherein the power unit includes a hoisting structure, a first lifting pulley, two second lifting pulleys and a first lifting cable, the hoisting structure is fixedly connected to the bottom rod, the first lifting pulley is disposed on one side wall of the top of the bottom rod, the two second lifting pulleys are disposed on two opposite side walls of the bottom of the first lifting rod, the first lifting cable is wound around the hoisting structure, the hoisting structure is configured to extend and retract the first lifting cable, one end of the first lifting cable is connected to the hoisting structure, the other end of the first lifting cable is fixedly connected to the side wall of the top of the bottom rod opposite to the side wall where the first lifting pulley is disposed, and the first lifting cable is sequentially wound around the first lifting pulley and the second lifting pulley.
8. The lifting device as claimed in claim 7, wherein the power unit further comprises two third lifting pulleys, two fourth lifting pulleys and a second lifting cable, the two third lifting pulleys are respectively disposed at two sides of the top of the second lifting rod of any group of three lifting rods arranged in sequence, the two fourth lifting pulleys are respectively disposed at two sides of the bottom of the third lifting rod of any group of three lifting rods arranged in sequence, wherein one third lifting pulley and one fourth lifting pulley correspond to one group and are located at the same side;
the two ends of the second lifting cable are respectively fixed on any group of three of the lifting rods which are sequentially arranged, the first lifting rod is arranged on the two sides of the top of the lifting rod, the second lifting cable is sequentially wound on the third lifting pulley and the fourth lifting pulley which are positioned on the same side, and the fourth lifting pulley and the third lifting pulley which are positioned on the other side.
9. The lift mechanism of claim 8, wherein the two third lift pulleys on a first one of said lift rods of any one of said sets of three lift rods arranged in sequence are oriented perpendicular to the orientation of the two third lift pulleys on a second one of said lift rods of any one of said sets of three lift rods arranged in sequence.
10. The lifting device as claimed in claim 8, wherein the lifting device further comprises a top rod for arranging a lighting device, the top rod is slidably disposed in the second sliding cavity of the last lifting rod, a fifth lifting pulley is disposed at the bottom of the top rod, and the second lifting rope of the last lifting rod is wound around the third lifting pulley and the fifth lifting pulley.
11. The lifting device as claimed in claim 10, wherein the top of the top bar is provided with a mounting plate for fixing a lighting device.
12. The lift device of claim 1, further comprising a position sensor disposed on the bottom bar, a contact of the position sensor extending into the first sliding cavity of the bottom bar and abutting the lift bar.
13. The lifting device as claimed in claim 1, further comprising a base for being fixed to the ground, wherein a fixed cavity is provided in the base, and the bottom bar is fixedly provided in the fixed cavity.
14. The lifting device according to claim 13, wherein the base comprises a first base body and a second base body connected to the first base body, a slot is formed on one side of the top of the first base body, the second base body covers the slot, and the first base body and the second base body enclose to form the fixing cavity;
wherein, one of the first seat body and the second seat body is provided with the power part, and the other of the first seat body and the second seat body is provided with the anti-falling device.
15. A lighting device comprising a lighting device and the lifting device of any one of claims 1 to 14, wherein the lighting device is mounted on top of the lifting device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2022/108568 WO2024020930A1 (en) | 2022-07-28 | 2022-07-28 | Lifting apparatus and lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115398150A true CN115398150A (en) | 2022-11-25 |
Family
ID=84115303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280002488.4A Pending CN115398150A (en) | 2022-07-28 | 2022-07-28 | Lifting device and lighting equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115398150A (en) |
| WO (1) | WO2024020930A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557691A (en) * | 2004-01-31 | 2004-12-29 | 谭锦泉 | Fall-preventing protection device for lift |
| JP2006132078A (en) * | 2004-11-02 | 2006-05-25 | Denyo Co Ltd | Expansion strut |
| CN101761898A (en) * | 2009-12-22 | 2010-06-30 | 海洋王照明科技股份有限公司 | Lifting device and lighting lamp using same |
| CN203718689U (en) * | 2013-12-20 | 2014-07-16 | 浙江尤尼威机械有限公司 | Mechanical lifting lighting device |
| CN108331419A (en) * | 2018-04-18 | 2018-07-27 | 深圳市晓控通信科技有限公司 | A kind of communication steel tower with anti-falling function based on Internet of Things |
| CN114314419A (en) * | 2020-10-10 | 2022-04-12 | 广东博智林机器人有限公司 | Lifting rotating platform |
| CN217816273U (en) * | 2022-07-28 | 2022-11-15 | 深圳亚锐光电科技有限公司 | Lifting device and lighting equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654278B (en) * | 2011-03-04 | 2016-01-13 | 海洋王照明科技股份有限公司 | A kind of elevating lever and lighting device |
| CN106439753B (en) * | 2016-10-19 | 2024-05-14 | 赛瓦特(山东)动力科技股份有限公司 | Concealed lifting mechanism with rotary self-locking function |
| CN111115487B (en) * | 2019-12-12 | 2021-06-04 | 深圳市优必选科技股份有限公司 | Electric lifting rod |
-
2022
- 2022-07-28 WO PCT/CN2022/108568 patent/WO2024020930A1/en unknown
- 2022-07-28 CN CN202280002488.4A patent/CN115398150A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557691A (en) * | 2004-01-31 | 2004-12-29 | 谭锦泉 | Fall-preventing protection device for lift |
| JP2006132078A (en) * | 2004-11-02 | 2006-05-25 | Denyo Co Ltd | Expansion strut |
| CN101761898A (en) * | 2009-12-22 | 2010-06-30 | 海洋王照明科技股份有限公司 | Lifting device and lighting lamp using same |
| CN203718689U (en) * | 2013-12-20 | 2014-07-16 | 浙江尤尼威机械有限公司 | Mechanical lifting lighting device |
| CN108331419A (en) * | 2018-04-18 | 2018-07-27 | 深圳市晓控通信科技有限公司 | A kind of communication steel tower with anti-falling function based on Internet of Things |
| CN114314419A (en) * | 2020-10-10 | 2022-04-12 | 广东博智林机器人有限公司 | Lifting rotating platform |
| CN217816273U (en) * | 2022-07-28 | 2022-11-15 | 深圳亚锐光电科技有限公司 | Lifting device and lighting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024020930A1 (en) | 2024-02-01 |
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