CN216281005U - Impact energy-consuming sling lamp and brightening device - Google Patents

Abstract

The application relates to an impact energy-consuming sling lamp and a brightening device, which relate to the technical field of vibration control and comprise a lamp holder and a damper assembly, wherein one side of the lamp holder is fixedly connected to a sling, the damper assembly comprises a damping container and an impact energy-consuming part, the outer wall of the damping container is connected with the lamp holder, at least one first accommodating cavity is arranged in the damping container, the impact energy-consuming part is correspondingly arranged in the first accommodating cavity and comprises a mass block and a buffer pad, the mass block can move in the first accommodating cavity, and the buffer pad is attached to the outer wall of the mass block or the inner wall of the first accommodating cavity; when the sling structure vibrates, the mass block collides with the cushion pad, so that the cushion pad deforms, the mass block obtains energy and impacts the cavity wall of the damping container in the opposite direction, the vibration energy transmitted by the sling structure is dissipated, the effect of inhibiting vibration is achieved, and the vibration stability of the sling structure is improved.

Description

Impact energy-consuming sling lamp and brightening device

Technical Field

The application relates to the technical field of vibration control, in particular to an impact energy-consuming sling lamp and a brightening device.

Background

In recent years, with the development of urban economy and the increase of demand for mental culture, a large-span bridge not only plays roles of connecting two banks and promoting the development of economy along rivers, but also is a beautiful landscape line in cities and a city name card in the world of getting up, and the large-span bridge in the cities is endowed with the landscape of the cities in dressing points to improve the mission of city taste. As a result, more and more cities are creating urban night scenes by installing a light lighting project on the cable structure of a long-span bridge such as a suspension bridge cable and an arch bridge boom.

As a main stressed component of the long-span bridge, the vertical sling has the characteristics of large slenderness ratio, low damping and rich vibration modes, so that various large-amplitude vibrations such as vortex-induced vibration, wake flow galloping, parameter vibration and the like can easily occur under the independent or combined action of different loads such as wind load, traffic load and the like; in addition, most sling structures are not designed with a bright and bright lamp, so that after the lamp is arranged on the sling, the pneumatic appearance of the sling structure is obviously changed, the unit mass of the sling structure is increased, the dynamic characteristic of the sling structure is changed, and the flow field characteristics and the vibration stability around the sling structure are influenced; and this kind of influence of brightening lamps and lanterns is long-term and lasting, therefore its change to hoist cable structure aerodynamic characteristic and wind-resistant stability will also influence the long-term life of bridge structures.

Disclosure of Invention

The application provides an impact energy-consuming sling lamp and a brightening device, which are used for solving the problem of poor vibration stability of a sling structure caused by adding a brightening lamp in the related technology.

In a first aspect, there is provided a shock dissipating sling light fitting comprising:

the lamp holder is used for being fixedly connected to the sling;

a damper assembly, said damper assembly comprising:

the outer wall of the damping container is connected with the lamp holder, and at least one first accommodating cavity is formed in the damping container;

the impact energy dissipation pieces are the same as the first containing cavities in number and correspondingly arranged in the first containing cavities, each impact energy dissipation piece comprises a mass block and a buffer pad, the mass blocks can move in the first containing cavities, and the buffer pads are attached to the outer walls of the mass blocks or the inner walls of the first containing cavities.

In some embodiments, the mass comprises:

the bottom of the impact cylinder is provided with at least one second accommodating cavity;

the rolling pieces are the same as the second accommodating cavities in number, the rolling pieces are correspondingly arranged in the second accommodating cavities, and the rolling pieces can roll in the second accommodating cavities and drive the impact cylinders to slide.

In some embodiments, the cross section of the buffer pad is annular, and the buffer pad is sleeved outside the impact cylinder.

In some embodiments, the mass is a steel ball.

In some embodiments, the damping container comprises two semicircular columns, the two semicircular columns are connected in a buckling mode, and the damping container is used for being clamped outside the sling.

In some embodiments, there are a plurality of the first accommodating cavities, and the plurality of the first accommodating cavities are distributed annularly.

In some embodiments, the damping container is provided with a cover plate, which is movable.

In some embodiments, the damping container is bolted to the lamp holder.

In a second aspect, there is provided an impact energy dissipating sling lightening device comprising: the energy-consuming impact sling lamp comprises a plurality of energy-consuming impact sling lamps, wherein the energy-consuming impact sling lamps are arranged on the sling at intervals.

In some embodiments, a plurality of the impact energy dissipating sling light fixtures are spaced apart by a predetermined distance along a length of the sling.

The beneficial effect that technical scheme that this application provided brought includes: the vibration stability of the sling structure after the additional brightening lamp is added can be effectively improved.

The application provides an impact energy-consuming sling lamp and a brightening device, which comprise a lamp holder and a damper assembly, wherein one side of the lamp holder is fixedly connected to a sling, the damper assembly comprises a damping container and an impact energy-consuming part, the outer wall of the damping container is connected with the lamp holder, at least one first accommodating cavity is arranged in the damping container, the impact energy-consuming part is correspondingly arranged in the first accommodating cavity, the impact energy-consuming part comprises a mass block and a buffer pad, the mass block can move in the first accommodating cavity, and the buffer pad is attached to the outer wall of the mass block or the inner wall of the first accommodating cavity; when the sling structure vibrates, the damping container can also vibrate together, so that the mass block moves and then collides with the cushion pad, the cushion pad deforms, the mass block obtains energy and impacts the cavity wall of the damping container in the opposite direction, the vibration energy transmitted by the sling structure is dissipated, the effect of inhibiting vibration is achieved, and the vibration stability of the sling structure is improved. Therefore, the vibration of the sling structure can be effectively restrained, and the vibration stability of the sling structure after a new brightening lamp is added can be improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and 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 to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of an impact energy dissipating sling light fixture according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a damping container according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of an impact energy dissipation member according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a mass block provided with a cushion pad attached to an outer wall thereof according to an embodiment of the present disclosure;

FIG. 5 is a schematic perspective view of an impact cylinder provided in an embodiment of the present application;

fig. 6 is a schematic structural diagram of a cover plate according to an embodiment of the present application.

In the figure: 1-lamp holder, 2-damper assembly, 21-damping container, 211-first receiving cavity, 212-cover plate, 22-impact energy dissipation member, 221-mass, 2211-impact cylinder, 2212-rolling member, 222-buffer pad, 3-sling.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides an impact energy-consuming sling lamp and a brightening device, which can solve the problem of poor vibration stability of a sling structure caused by adding a brightening lamp in the related art.

Referring to fig. 1 to 6, an impact energy-consuming sling lamp provided by the embodiment of the present application includes a lamp holder 1 and a damper assembly 2, where the lamp holder 1 is preferably an annular lamp holder, can be fixedly connected to a sling 3 in an encircling manner, and is used for arranging an illumination lamp inside; the damper assembly 2 comprises a damping container 21 and an impact energy consumption piece 22, the outer wall of the damping container 21 is preferably connected with the lamp holder 1 through a bolt, and once the illuminating lamp in the lamp holder 1 fails, the lamp holder 1 can be conveniently detached and replaced; at least one first accommodating cavity 211 is arranged in the damping container 21, the number of the first accommodating cavities 211 is preferably multiple, and the multiple first accommodating cavities 211 are distributed annularly, so that the vibration of the sling 3 in each direction in the same plane can be effectively controlled;

the damping container 21 can preferably consist of two semicircular columns, the two semicircular columns are connected in a buckling mode, the sling 3 is encircled by the two semicircular columns, and then the damping container is preferably connected with the sling 3 through bolts, so that the damping container is convenient to disassemble and the construction efficiency is improved; the damping container 21 is provided with a cover plate 212, the damping container 21 can be fixed on the sling 3 through the cover plate 212, the cover plate 212 is preferably movable, so that the impact energy consumption piece 22 in the first accommodating cavity 211 can be replaced through opening and closing the cover plate 212; in addition, a rubber pad may be disposed at the cover of the cover plate 212 to improve the sealing performance of the damping container 21, so as to prevent external rain water and dust from entering the first accommodating chamber 211.

The number of energy-consuming impact members 22 is the same as the number of first receiving cavities 211, the energy-consuming impact members 22 are correspondingly disposed in the first receiving cavities 211, each energy-consuming impact member 22 includes a mass block 221 and a cushion pad 222, the mass block 221 is movable in the first receiving cavity 211, and the cushion pad 222 is preferably a rubber pad or a polyurethane cushion pad attached to an outer wall of the mass block 221 or an inner wall of the first receiving cavity 211, that is, a certain gap is formed between the mass block 221 and the cushion pad 222 for collision. Therefore, when the sling structure vibrates, the damping container 21 also vibrates together, so that the mass block 221 moves and further collides with the cushion pad 222, and the cushion pad 222 deforms, so that the mass block 221 obtains energy and impacts the cavity wall of the damping container 21 in the opposite direction, and therefore the vibration energy transmitted by the sling structure is dissipated, the effect of suppressing the vibration is achieved, and the vibration stability of the sling structure is improved. Therefore, the vibration of the sling structure can be effectively restrained, and the vibration stability of the sling structure after a new brightening lamp is added can be improved.

Specifically, for the impact energy dissipation sling lamp installed on the sling 3, when the sling 3 vibrates, the mass block 221 obtains energy through momentum conversion, and impacts the cavity wall in the opposite direction (for the vibration of the main vibration structure), so as to dissipate the energy, which belongs to the incomplete elastic body impact energy dissipation form, the loss energy of which can be explained by the loss energy when two objects impact in the opposite direction, that is, when two objects impact in the opposite direction, the loss energy E and the recovery coefficient alpha when two objects impact, the mass m of the main vibration structure and the mass m of the impact when two objects impact₁Impact velocities v and v₁On, then E can tableShown as follows:

from the above formula, it can be known that the energy consumption of the vibration system can be increased by reducing the recovery coefficient alpha or increasing the impact mass, and the vibration suppression effect can be improved.

Further, the mass 221 may be preferably a steel ball, and the cushion 222 may be attached to the inner wall of the first receiving chamber 211; the mass 221 may also preferably comprise an impact cylinder 2211 and rolling members 2212, the bottom of the impact cylinder 2211 is provided with at least one second accommodating cavity, the number of the rolling members 2212 is the same as that of the second accommodating cavities, that is, each second accommodating cavity is provided with one rolling member 2212, the rolling members 2212 may preferably be balls, and the rolling members 2212 can roll in the second accommodating cavities and drive the impact cylinder 2211 to slide, so that the cross section of the cushion 222 may preferably be annular, and the cushion is sleeved outside the impact cylinder 2211 or attached to the inner wall of the first accommodating cavity 211, so that the mass 221 can collide with the cushion 222, and the cushion 222 deforms. Wherein, the diameter that strikes the second of cylinder 2211 bottom and hold the chamber is greater than the ball diameter, and highly is less than the ball diameter, guarantees that the ball can freely roll at the horizontal plane.

In addition, the impact energy-consuming sling lamp can be used together with an illuminating lamp, can also be independently used for controlling the vibration of the sling, can be vertically placed or obliquely placed, can determine the placement form according to actual requirements, and further achieves the purpose of controlling the vibration in each direction in the plane of the sling 3; and because this application reaches the function of collision power consumption through setting up the clearance between quality piece 221 and blotter 222 for this application possesses the function of impact mass damper broadband control, can effectively increase the damping ratio of hoist rope 3, carries out hoist rope multimode vibration control, consequently is obvious to the damping effect of slender parts such as vertical hoist rope, jib.

The embodiment of the application also provides an impact energy consumption sling brightening device, including: a plurality of the impact energy dissipating sling light fixtures described above, the impact energy dissipating sling light fixtures spaced apart on the sling 3. Therefore, when the sling structure vibrates, the damping container 21 also vibrates together to enable the mass block 221 to move and further collide with the cushion pad 222, so that the cushion pad 222 deforms, the mass block 221 obtains energy and impacts the cavity wall of the damping container 21 in the opposite direction, and therefore the vibration energy transmitted by the sling structure is dissipated, the effect of inhibiting vibration is achieved, and the vibration stability of the sling structure is improved; in addition, the impact energy-consuming sling lamps arranged at intervals can achieve the function of multi-frequency control. Therefore, the vibration of the sling structure can be effectively restrained, the vibration stability of the sling structure after the new brightening lamp is added can be improved, multi-frequency control can be performed, the working effect of the brightening device is guaranteed, and meanwhile the vibration reduction function is achieved.

Preferably, the plurality of impact energy dissipating sling light fixtures are spaced apart by a predetermined distance along the length of the sling 3. For example, if there are five impact energy-consuming sling lamps, they can be respectively arranged at the positions of L/2, L/4, L/6, L/8 and L/10, etc. of the sling 3 in the length direction, and the control frequency is respectively 1, 2, 3, 4 and 5 times of the fundamental frequency of the sling 3, so as to achieve the purpose of multi-frequency control.

Further, in the embodiment of the present application, the mass block 221 includes: the impact cylinder 2211, the bottom of the impact cylinder 2211 is provided with at least one second accommodating cavity; the rolling members 2212 are as many as the second accommodating cavities, the rolling members 2212 are correspondingly arranged in the second accommodating cavities, and the rolling members 2212 can roll in the second accommodating cavities and drive the impact cylinders 2211 to slide.

Further, in the embodiment of the present application, the cross-section of the buffer pad 222 is circular, and the buffer pad 222 is sleeved outside the impacting cylinder 2211.

Further, in the embodiment of the present application, the mass 221 is a steel ball.

Furthermore, in this embodiment, the damping container 21 includes two semicircular columns, and the two semicircular columns are connected by a snap, and the damping container 21 is used for being fastened outside the sling 3.

Furthermore, in the embodiment of the present application, there are a plurality of the first accommodating cavities 211, and the plurality of the first accommodating cavities 211 are distributed in a ring shape.

Further, in the embodiment of the present application, the damping container 21 is provided with a cover plate 212, and the cover plate 212 is movable.

Further, in the present embodiment, the damping container 21 is bolted to the lamp socket 1.

The following examples will specifically illustrate the implementation of the impact energy dissipating sling lightening device:

step 1: determining the number of the sling lamps needing impact energy consumption and a corresponding control order according to a sling vibration control target;

step 2: designing the quality and the distance of the vibration type impact energy-consuming sling lamp according to the sling vibration order;

and step 3: according to the formula

Determining the performance of the cushion 222;

and 4, step 4: and installing impact energy-consuming sling lamps of corresponding orders at corresponding positions, determining the gap between the damper assembly 2 and the sling 3 according to the limited controlled amplitude of the sling, and arranging a cushion 222.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An impact dissipative sling light fixture, comprising:

the lamp holder (1), the said lamp holder (1) is used for fixedly connecting to the sling (3);

a damper assembly (2), the damper assembly (2) comprising:

the lamp holder (1) is connected with the damping container (21), the outer wall of the damping container (21) is connected with the lamp holder (1), and at least one first accommodating cavity (211) is formed in the damping container (21);

the number of the impact energy dissipation members (22) is the same as that of the first accommodating cavities (211), the impact energy dissipation members (22) are correspondingly arranged in the first accommodating cavities (211), each impact energy dissipation member (22) comprises a mass block (221) and a buffer pad (222), the mass blocks (221) can move in the first accommodating cavities (211), and the buffer pads (222) are attached to the outer walls of the mass blocks (221) or the inner walls of the first accommodating cavities (211).

2. A shock absorbing sling light fitting as claimed in claim 1, wherein said mass (221) comprises:

the impact cylinder (2211), the bottom of the impact cylinder (2211) is provided with at least one second accommodating cavity;

the rolling pieces (2212) are the same as the second accommodating cavities in number, the rolling pieces (2212) are correspondingly arranged in the second accommodating cavities, and the rolling pieces (2212) can roll in the second accommodating cavities and drive the impact cylinders (2211) to slide.

3. A shock absorbing sling light fitting as claimed in claim 2, wherein: the cross section of the buffer pad (222) is annular, and the buffer pad (222) is sleeved outside the impact cylinder (2211).

4. A shock absorbing sling light fitting as claimed in claim 1, wherein: the mass block (221) is a steel ball.

5. A shock absorbing sling light fitting as claimed in claim 1, wherein: the damping container (21) comprises two semicircular columns, the semicircular columns are connected in a buckling mode, and the damping container (21) is used for being clamped outside the sling (3).

6. A shock absorbing sling light fitting as claimed in claim 1, wherein: the first containing cavities (211) are multiple, and the multiple first containing cavities (211) are distributed in an annular shape.

7. A shock absorbing sling light fitting as claimed in claim 1, wherein: the damping container (21) is provided with a cover plate (212), and the cover plate (212) is movable.

8. A shock absorbing sling light fitting as claimed in claim 1, wherein: the damping container (21) is connected with the lamp holder (1) through bolts.

9. An impact energy dissipating sling brightening device, comprising: a plurality of impact dissipative sling light fittings as claimed in any of the claims 1 to 8, arranged at intervals on the sling (3).

10. The impact energy dissipating sling lightening apparatus of claim 9, wherein: the impact energy-consuming sling lamps are arranged at intervals along the length direction of the sling (3) according to a preset distance.

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