CN214900719U - Shock-absorbing structure of space truss connecting stay bar - Google Patents

Shock-absorbing structure of space truss connecting stay bar Download PDF

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Publication number
CN214900719U
CN214900719U CN202121108148.9U CN202121108148U CN214900719U CN 214900719 U CN214900719 U CN 214900719U CN 202121108148 U CN202121108148 U CN 202121108148U CN 214900719 U CN214900719 U CN 214900719U
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China
Prior art keywords
support rod
connecting support
air
piston
free end
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CN202121108148.9U
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Chinese (zh)
Inventor
张庆
姚激
刘俊峰
黄昆
屈本宁
王惠民
郭荣鑫
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Priority to CN202121108148.9U priority Critical patent/CN214900719U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model discloses a damping structure of a space truss connecting stay bar, which comprises a first connecting stay bar, wherein one end of the first connecting stay bar is connected with an air damping tube, a piston is connected in the air damping tube in a sliding manner, the piston divides the air damping tube into a spring mounting cavity and an air compression cavity, a damping spring is arranged in the spring mounting cavity, and a first vent hole and a second vent hole are respectively arranged at two ends of the side wall of the air damping tube; the piston is connected with a second connecting support rod penetrating out of the air damping pipe, the free end of the second connecting support rod is connected with a length adjusting rod with adjustable length, the free end of the first connecting support rod and the free end of the length adjusting rod are both provided with rotating connecting rings, each rotating connecting ring is rotatably connected with a rotating shaft, one end of each rotating shaft is outwards provided with a bolt, and each bolt is in threaded connection with a nut. The utility model is used for connect between two space trusses, have the absorbing function of buffering, the not easy bending or rupture reduce the potential safety hazard.

Description

Shock-absorbing structure of space truss connecting stay bar
Technical Field
The utility model relates to a photovoltaic power generation technical field, in particular to shock-absorbing structure of space truss connection vaulting pole.
Background
There is not reasonable shock attenuation setting between the current photovoltaic connecting piece at home and abroad, the utility model provides a shock-absorbing structure of space truss connection vaulting pole. The existing mounting structure has the following defects and shortcomings: 1. when a large-scale earthquake or wind load occurs, the photovoltaic modules may collide with each other, and potential safety hazards exist. 2. Other practical methods consume a large amount of steel and have high cost.
In the prior art, a space truss connecting piece for a prestressed suspended-cable photovoltaic power station with the publication number of CN 210273900U is connected by two space trusses and a diagonal draw bar, so that the problem that the existing photovoltaic connecting piece cannot enable steel cables to form a stable whole is solved. But the problems of the prior art are as follows: two space trusses are through oblique pull rod rigid connection, and when meetting earthquake or wind-load, the violent rocking of photovoltaic module leads to oblique pull rod bending or rupture easily, makes the photovoltaic module that closes on bump, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shock-absorbing structure of space truss connection vaulting pole for connect between two space trusses, have the absorbing function of buffering, not flexible or rupture, the photovoltaic module that closes on is difficult for bumping, reduces the potential safety hazard.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a damping structure of a space truss connecting stay rod comprises a first connecting stay rod, wherein one end of the first connecting stay rod is connected with an air damping tube, one end, far away from the first connecting stay rod, of the air damping tube is provided with a sealing slide hole, a piston is connected in the air damping tube in a sliding mode, the piston divides the air damping tube into a spring installation cavity close to the first connecting stay rod and an air compression cavity far away from the first connecting stay rod, a damping spring is arranged in the spring installation cavity, two ends of the damping spring are fixedly connected with the piston and one end, close to the first connecting stay rod, of the air damping tube respectively, and two ends of the side wall of the air damping tube are provided with a first vent hole communicated with the spring installation cavity and a second vent hole communicated with the air compression cavity respectively;
the piston is connected with a second connecting support rod which penetrates through the sealing sliding hole and is in sliding connection with the sealing sliding hole, the free end of the second connecting support rod is connected with a length adjusting rod with adjustable length, the free end of the first connecting support rod and the free end of the length adjusting rod are both provided with rotating connecting rings, each rotating connecting ring is rotatably connected with a rotating shaft with an approximately I-shaped cross section, one end of each rotating shaft is outwards provided with a bolt, and each bolt is in threaded connection with a nut.
By adopting the technical scheme, during installation, the free end of the first connecting support rod is connected with the lower end of one space truss through a bolt, after the length of the length adjusting rod is adjusted by connecting the length adjusting rod with the first connecting support rod, the free end of the length adjusting rod is connected with the upper end of the second space truss through a bolt, and installation is completed;
when an earthquake or wind load occurs, the photovoltaic module drives the space truss to swing back and forth, so that the first connecting support rod and the second connecting support rod are extruded or stretched back and forth, the piston extrudes or stretches the spring, air in the spring installation cavity and the air compression cavity is continuously exhausted or sucked from the first vent hole and the second vent hole in the process, damping formed by the air exhaust or suction can play a role in damping, the rebound inertia of the spring can be effectively eliminated, and the photovoltaic module is prevented from being damaged by vibration caused by the rebound inertia of the spring.
The utility model discloses a further set up to: the free end of the second connecting support rod is connected with a threaded connecting pipe, and the outer wall of the length adjusting rod, which is close to one end of the threaded connecting pipe, is provided with an external thread in threaded connection with the threaded connecting pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model is used for obliquely connecting between two space trusses, has the functions of buffering and damping, is not easy to bend or break, is not easy to collide with adjacent photovoltaic modules, and reduces the potential safety hazard;
secondly, the length of the utility model can be adjusted by a length adjusting rod, which can meet the installation between two space trusses with different space;
thirdly, the utility model discloses a shock attenuation is cushioned to the spring, with the supplementary shock attenuation of damping of air escape and suction production to can also effectively eliminate the resilience inertia of spring, prevent that the vibration that spring resilience inertia brought from damaging photovoltaic module.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial sectional view for showing an inner structure of an air damper tube;
fig. 3 is mainly used for showing the connection relationship between the rotary connecting ring and the rotary shaft.
In the figure: 1. a first connecting stay bar; 2. an air damper tube; 21. a spring mounting cavity; 22. an air compression chamber; 23. a first vent hole; 24. a second vent hole; 3. a piston; 4. a damping spring; 5. a second connecting strut; 6. a threaded connection pipe; 7. a length adjusting rod; 8. rotating the connecting ring; 9. a rotating shaft; 91. a bolt; 92. and a nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention, referring to fig. 1 to 3, a shock absorption structure of a space truss connection stay rod includes a first connection stay rod 1, one end of the first connection stay rod 1 is connected with an air damping tube 2, one end of the air damping tube 2, which is far away from the first connection stay rod 1, is provided with a sealed sliding hole (not shown), the air damping tube 2 is connected with a piston 3 in a sliding manner, the piston 3 divides the air damping tube 2 into a spring installation cavity 21, which is close to the first connection stay rod 1, and an air compression cavity 22, which is far away from the first connection stay rod 1, the spring installation cavity 21 is internally provided with a shock absorption spring 4, two ends of the shock absorption spring 4 are fixedly connected with the piston 3 and one end of the air damping tube 2, which is close to the first connection stay rod 1, and two ends of a side wall of the air damping tube 2 are respectively provided with a first vent hole 23, which is communicated with the spring installation cavity 21, and a second vent hole 24, which is communicated with the air compression cavity 22.
The piston 3 is connected with a second connecting stay bar 5 which penetrates out of the sealing sliding hole and is in sliding connection with the sealing sliding hole, the free end of the second connecting stay bar 5 is connected with a length adjusting rod 7 with adjustable length, the free end of the second connecting stay bar 5 is connected with a threaded connecting pipe 6, and the outer wall of one end, close to the threaded connecting pipe 6, of the length adjusting rod 7 is provided with an external thread in threaded connection with the length adjusting rod; the free end of the first connecting stay bar 1 and the free end of the length adjusting rod 7 are both provided with a rotating connecting ring 8, each rotating connecting ring 8 is rotatably connected with a rotating shaft 9 with an approximately I-shaped section, one end of each rotating shaft 9 is outwards provided with a bolt 91, and each bolt 91 is in threaded connection with a nut 92.
The working principle is as follows: during installation, the free end of the first connecting stay bar 1 is connected with the lower end of a space truss through a bolt 91, the length of the length adjusting rod 7 is adjusted by connecting the length adjusting rod 7 with the threaded connecting pipe 6, and the free end of the length adjusting rod 7 is connected with the upper end of a second space truss through the bolt 91 to complete installation;
when an earthquake or wind load occurs, the photovoltaic module drives the space truss to swing back and forth, so that the first connecting support rod 1 and the second connecting support rod 5 are extruded or stretched back and forth, the piston 3 extrudes or stretches the spring, air in the spring installation cavity 21 and the air compression cavity 22 is continuously discharged or sucked from the first vent hole 23 and the second vent hole 24 in the process, damping formed by the discharge or suction of the air can play a role in damping, the rebound inertia of the spring can be effectively eliminated, and the photovoltaic module is prevented from being damaged by vibration caused by the rebound inertia of the spring.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (2)

1. A shock-absorbing structure of a space truss connection stay bar comprises a first connection stay bar (1), and is characterized in that: one end of the first connecting support rod (1) is connected with an air damping tube (2), one end of the air damping tube (2) far away from the first connecting support rod (1) is provided with a sealing slide hole, the air damping tube (2) is connected with a piston (3) in a sliding manner, the piston (3) divides the air damping tube (2) into a spring installation cavity (21) close to the first connecting support rod (1) and an air compression cavity (22) far away from the first connecting support rod (1), a damping spring (4) is arranged in the spring installation cavity (21), two ends of the damping spring (4) are fixedly connected with the piston (3) and one end of the air damping tube (2) close to the first connecting support rod (1), two ends of the side wall of the air damping tube (2) are respectively provided with a first vent hole (23) communicated with the spring installation cavity (21) and a second vent hole (22) communicated with the air compression cavity (22) 24) (ii) a
The piston (3) is connected with a second connecting support rod (5) which penetrates through the sealing sliding hole and is in sliding connection with the sealing sliding hole, the free end of the second connecting support rod (5) is connected with a length adjusting rod (7) with adjustable length, the free end of the first connecting support rod (1) and the free end of the length adjusting rod (7) are both provided with rotating connecting rings (8), each rotating connecting ring (8) is rotatably connected with a rotating shaft (9) with an approximately I-shaped cross section, one end of each rotating shaft (9) is outwards provided with a bolt (91), and each bolt (91) is in threaded connection with a nut (92).
2. The space truss attachment brace damping structure of claim 1, wherein: the free end of the second connecting support rod (5) is connected with a threaded connecting pipe (6), and the outer wall of one end, close to the threaded connecting pipe (6), of the length adjusting rod (7) is provided with an external thread in threaded connection with the length adjusting rod.
CN202121108148.9U 2021-05-21 2021-05-21 Shock-absorbing structure of space truss connecting stay bar Active CN214900719U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121108148.9U CN214900719U (en) 2021-05-21 2021-05-21 Shock-absorbing structure of space truss connecting stay bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121108148.9U CN214900719U (en) 2021-05-21 2021-05-21 Shock-absorbing structure of space truss connecting stay bar

Publications (1)

Publication Number Publication Date
CN214900719U true CN214900719U (en) 2021-11-26

Family

ID=78936827

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121108148.9U Active CN214900719U (en) 2021-05-21 2021-05-21 Shock-absorbing structure of space truss connecting stay bar

Country Status (1)

Country Link
CN (1) CN214900719U (en)

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