CN217211123U - Portable testing arrangement of extrapolation formula girder steel structure noise - Google Patents
Portable testing arrangement of extrapolation formula girder steel structure noise Download PDFInfo
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- CN217211123U CN217211123U CN202220184570.0U CN202220184570U CN217211123U CN 217211123 U CN217211123 U CN 217211123U CN 202220184570 U CN202220184570 U CN 202220184570U CN 217211123 U CN217211123 U CN 217211123U
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- rod
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- main rod
- noise
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 40
- 239000010959 steel Substances 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000013213 extrapolation Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to the field of noise testing devices, in particular to a portable testing device for noise of an extrapolation type steel beam structure, which comprises a main rod, a sleeve, a telescopic connecting rod, a sealing cover, a fixed rod, a noise detection sensor and a steel beam bottom surface; the top of the main rod is provided with a sucker, the top of the peripheral wall of the main rod is provided with a triangular bracket, the main rod is provided with a switch, and the bottom of the main rod is provided with a vertical rod; the sleeve is connected with the outer peripheral wall of the main rod through the conical shell, and four groups of sliding rails are arranged on the inner wall of the sleeve; one end of the telescopic connecting rod is provided with a pulley, and the other end of the telescopic connecting rod is connected with the bottom of the vertical rod; the sealing cover is arranged at the opening at the bottom of the sleeve; five groups of noise detection sensors are respectively arranged on the four groups of telescopic connecting rods and at the bottom of the vertical rod. The utility model discloses when using, hang on the girder steel bottom plate through the A-frame and the sucking disc adsorbs and fixes on the girder steel bottom surface, and the noise detection sensor is apart from measuring to measure the surperficial 0.3m department of plate to realize the nimble measurement of noise, avoided traditional measuring method's limitation, improved measurement of efficiency.
Description
Technical Field
The utility model relates to a noise testing device field specifically is a portable testing arrangement of extrapolation girder steel structure noise.
Background
The steel beam is used as a main bridge structure form and is widely applied to bridges of roads, expressways, railways, expressways, rail transit and the like. In recent years, the mileage of a high-speed railway is continuously increased, a plurality of high-speed railway lines pass through residential areas, and the noise problem is obvious; and with the continuous improvement of the design speed per hour of the high-speed railway, the noise is also larger and larger. It is necessary to study the noise characteristics of the different box girders by carrying out field tests. According to noise test specification ISO3095, should place the sensor in 0.3m position department from the plate surface when carrying out structural slab structure noise measurement, traditional test method is to set up the high measuring position of elevation with the microphone frame at girder steel lower part, makes the microphone be located 0.3m department below the girder steel, and it can be very consuming time to set up higher scaffold, and measurement of efficiency is lower to be not convenient for the turnover use, be difficult to be applicable to the nimble requirement of measuring of noise.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is to the problem that exists among the background art, provides a portable testing arrangement of extrapolation formula girder steel structure noise convenient to place measuring transducer.
The technical scheme of the utility model: a portable noise testing device for an extrapolation type steel beam structure comprises a main rod, a sleeve, a telescopic connecting rod, a sealing cover, a fixed rod, a noise detection sensor and a steel beam bottom surface;
the top of the main rod is provided with a sucker, the top of the peripheral wall of the main rod is provided with a triangular support, the sucker is adsorbed on the bottom surface of the steel beam, the triangular support is connected with the steel beam, the main rod is an electric telescopic rod, the main rod is provided with a switch for controlling the extension and retraction of the main rod, four groups of grooves for placing four groups of fixed rods are vertically arranged on the peripheral wall of the main rod, and a vertical rod is vertically arranged at the bottom of the main rod; the sleeve is connected with the outer peripheral wall of the main rod through a conical shell arranged at the top of the sleeve, and four groups of sliding rails are vertically arranged on the inner wall of the sleeve; one end of each telescopic connecting rod is provided with a pulley, the pulleys are matched with the sliding rails to slide along the vertical direction, the other end of each telescopic connecting rod is connected with the bottom of the vertical rod, the telescopic connecting rods are folding connecting rods for manually controlling the telescopic connecting rods to stretch, and the telescopic connecting rods are provided with four groups; the sealing cover is horizontally arranged at the opening at the bottom of the sleeve and comprises four groups of sector plates which are uniformly distributed along the circumferential direction, an opening for the telescopic connecting rod to pass through is formed between every two adjacent groups of sector plates, and a through hole for the vertical rod to pass through is formed between the four groups of sector plates; five groups of noise detection sensors are respectively arranged on the four groups of telescopic connecting rods and the bottom of the vertical rod, the five groups of noise detection sensors are positioned on the same horizontal plane, a circuit channel and a controller are arranged in the main rod, and the controller is electrically connected with the noise detection sensors; under the noise detection state, the dead lever top is connected with the sleeve periphery wall is detachable, and montant and telescopic connecting rod all pass the closing cap, and telescopic connecting rod manual extension is connected bottom dead lever to the tip pulley.
Preferably, slope set up the multiunit support downwards on the sleeve inner wall, the multiunit supports and uses the sleeve axis to set up the holding ring along circumference evenly distributed as the center, supports the bottom level, and the holding ring sets up the holding ring with the sleeve is coaxial, and the inner peripheral diameter of holding ring is greater than the outer peripheral diameter of mobile jib, and the holding ring is located the mobile jib bottom.
Preferably, the triangular support is provided with a buckle, and the buckle is connected with the steel beam.
Preferably, the main rod outer peripheral wall is provided with a main rod handle, and the main rod handle is positioned above the switch.
Preferably, the bottom of the main rod is provided with a spring groove for inserting the top of the built-in spring, the wall of the spring groove is vertically provided with the built-in spring, the bottom of the built-in spring is connected with the sealing cover, the built-in springs are provided with multiple groups, and the multiple groups of built-in springs are uniformly distributed along the circumference by taking the axis of the main rod as the center.
Preferably, the main rod, the fixed rod and the telescopic connecting rod are all made of carbon fibers.
Compared with the prior art, the utility model discloses following profitable technological effect has: all be equipped with the anchor clamps of fixed noise detection sensor on montant bottom and four telescopic link, be used for measuring the noise, during the use, hang on the girder steel bottom plate through the A-frame and the sucking disc adsorbs to be fixed on the girder steel bottom surface, press the length of the reasonable control master rod of switch and make montant and telescopic link stretch out the sleeve, the length of the flexible link of manual control, be connected dead lever top and sleeve periphery wall, then be connected dead lever bottom and the pulley on the telescopic link, make noise detection sensor apart from the girder steel web of measuring volume, the bottom plate, 0.3m department on flange plate surface, thereby realize the nimble measurement of noise, the limitation of traditional measuring method has been avoided, and the measuring efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an expanded schematic view of the portable noise testing device for an extrapolation steel beam structure provided by the present invention;
FIG. 3 is a schematic structural view of the boom;
fig. 4 is a schematic structural view of the closure.
Reference numerals are as follows: 1. a suction cup; 2. a triangular bracket; 3. a main rod; 4. a switch; 5. a sleeve; 6. supporting; 7. a positioning ring; 8. a built-in spring; 9. a slide rail; 10. a pulley; 11. a telescopic connecting rod; 12. sealing the cover; 13. a fixing rod; 14. a noise detection sensor; 15. a main rod handle; 16. the bottom surface of the steel beam; 17. a groove; 18. a spring slot; 19. an opening; 20. and a through hole.
Detailed Description
Example one
The utility model provides a portable testing arrangement of extrapolation formula girder steel structure noise, including mobile jib 3, sleeve 5, telescopic link 11, closing cap 12, dead lever 13, noise detection sensor 14 and girder steel bottom surface 16;
as shown in fig. 1 and 3, a sucker 1 is arranged at the top of a main rod 3, an triangular support 2 is arranged at the top of the peripheral wall of the main rod 3, the sucker 1 is adsorbed on the bottom surface 16 of a steel beam, a buckle is arranged on the triangular support 2 and connected with the steel beam, the main rod 3 is an electric telescopic rod, a switch 4 for controlling the main rod 3 to stretch is arranged on the main rod 3, four groups of grooves 17 for placing four groups of fixing rods 13 are vertically arranged on the peripheral wall of the main rod 3, a vertical rod is vertically arranged at the bottom of the main rod 3, a main rod handle 15 is arranged on the peripheral wall of the main rod 3, and the main rod handle 15 is positioned above the switch 4; the sleeve 5 is connected with the outer peripheral wall of the main rod 3 through a conical shell arranged at the top, and four groups of sliding rails 9 are vertically arranged on the inner wall of the sleeve 5; one end of a telescopic connecting rod 11 is provided with a pulley 10, the pulley 10 is matched with a slide rail 9 to slide along the vertical direction, the other end of the telescopic connecting rod 11 is connected with the bottom of a vertical rod, the telescopic connecting rod 11 is a folding connecting rod for manually controlling the telescopic operation of the telescopic connecting rod, and the telescopic connecting rods 11 are provided with four groups;
as shown in fig. 4, the sealing cover 12 is horizontally disposed at the bottom opening of the sleeve 5, the sealing cover 12 includes four sets of sector plates uniformly distributed along the circumferential direction, an opening 19 for the telescopic connecting rod 11 to pass through is formed between two adjacent sets of sector plates, and a through hole 20 for the vertical rod to pass through is formed between the four sets of sector plates;
as shown in fig. 2, five sets of noise detection sensors 14 are respectively disposed on the four sets of telescopic links 11 and at the bottom of the vertical rod, the five sets of noise detection sensors 14 are located on the same horizontal plane, a line channel and a controller are disposed in the main rod 3, and the controller is electrically connected to the noise detection sensors 14; under the noise detection state, the top of the fixed rod 13 is detachably connected with the peripheral wall of the sleeve 5, the vertical rod and the telescopic connecting rod 11 both penetrate through the sealing cover 12, and the telescopic connecting rod 11 manually extends to the end pulley 10 to be connected with the bottom of the fixed rod 13. The main rod 3, the fixed rod 13 and the telescopic connecting rod 11 are all made of carbon fiber.
In this embodiment, all be equipped with fixed noise detection sensor 14's anchor clamps on montant bottom and four telescopic connecting rod 11, be used for measuring the noise, in use, hang on the girder steel bottom plate through tripod 2 and adsorb on girder steel bottom surface 16 with sucking disc 1 and fix, press the length of switch 4 reasonable control mobile jib 3 and make montant and telescopic connecting rod 11 stretch out sleeve 5, the length of manual control telescopic connecting rod 11, be connected dead lever 13 top and sleeve 5 periphery wall, then be connected dead lever 13 bottom and pulley 10 on the telescopic connecting rod 11, make noise detection sensor 14 apart from the girder steel web of volume of awaiting measuring, the bottom plate, 0.3m department on flange plate surface, thereby realize the nimble measurement of noise, the limitation of traditional measuring method has been avoided, and the measuring efficiency is improved.
Example two
As shown in fig. 1, the utility model provides a portable testing arrangement of extrapolation formula girder steel structure noise compares in embodiment one, and the slope sets up the multiunit downwards on the sleeve 5 inner wall and supports 6, and the multiunit supports 6 and uses the sleeve 5 axis as center along circumference evenly distributed, supports 6 bottom levels and sets up holding ring 7, and holding ring 7 and sleeve 5 coaxial setting, the inner circle diameter of holding ring 7 is greater than the outer circle diameter of mobile jib 3, and holding ring 7 is located mobile jib 3 bottom. Through multiunit support 6 and holding ring 7, improve structure bulk strength and stability.
EXAMPLE III
As shown in fig. 1, the utility model provides a portable testing arrangement of extrapolation formula girder steel structure noise compares in embodiment one, and 3 bottoms of mobile jib are provided with and supply built-in spring 8 top male spring groove 18, and the vertical built-in spring 8 that sets up on the 18 cell walls of spring groove, and built-in spring 8 bottom is connected with closing cap 12, and built-in spring 8 sets up the multiunit, and multiunit built-in spring 8 uses mobile jib 3 axis to be along circumference evenly distributed as the center. Facilitating the retraction of the boom 3.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (6)
1. The portable testing device for the noise of the extrapolation type steel beam structure is characterized by comprising a main rod (3), a sleeve (5), a telescopic connecting rod (11), a sealing cover (12), a fixing rod (13), a noise detection sensor (14) and a steel beam bottom surface (16);
the sucking disc (1) is arranged at the top of the main rod (3), the triangular support (2) is arranged at the top of the peripheral wall of the main rod (3), the sucking disc (1) is adsorbed on the bottom surface (16) of the steel beam, the triangular support (2) is connected with the steel beam, the main rod (3) is an electric telescopic rod, the main rod (3) is provided with a switch (4) for controlling the main rod (3) to stretch, four groups of grooves (17) for placing four groups of fixing rods (13) are vertically arranged on the peripheral wall of the main rod (3), and a vertical rod is vertically arranged at the bottom of the main rod (3); the sleeve (5) is connected with the outer peripheral wall of the main rod (3) through a conical shell arranged at the top, and four groups of sliding rails (9) are vertically arranged on the inner wall of the sleeve (5); one end of each telescopic connecting rod (11) is provided with a pulley (10), the pulleys (10) are matched with the sliding rails (9) to slide along the vertical direction, the other end of each telescopic connecting rod (11) is connected with the bottom of the vertical rod, the telescopic connecting rods (11) are folding connecting rods for manually controlling the telescopic connecting rods to stretch, and the telescopic connecting rods (11) are provided with four groups; the sealing cover (12) is horizontally arranged at an opening at the bottom of the sleeve (5), the sealing cover (12) comprises four groups of sector plates which are uniformly distributed along the circumferential direction, an opening (19) for the telescopic connecting rod (11) to pass through is formed between every two adjacent groups of sector plates, and a through hole (20) for the vertical rod to pass through is formed in the middle of each four groups of sector plates; five groups of noise detection sensors (14) are respectively arranged on the four groups of telescopic connecting rods (11) and at the bottom of the vertical rod, the five groups of noise detection sensors (14) are positioned on the same horizontal plane, a circuit channel and a controller are arranged in the main rod (3), and the controller is electrically connected with the noise detection sensors (14); under the noise detection state, dead lever (13) top and sleeve (5) periphery wall detachable be connected, and closing cap (12) are all passed to montant and flexible connecting rod (11), and flexible connecting rod (11) manual extension is connected bottom dead lever (13) to tip pulley (10).
2. The portable testing device for noise of the extrapolation type steel beam structure according to claim 1, wherein a plurality of groups of supports (6) are arranged on the inner wall of the sleeve (5) in an inclined and downward manner, the plurality of groups of supports (6) are uniformly distributed along the circumference with the axis of the sleeve (5) as the center, a positioning ring (7) is horizontally arranged at the bottom of each support (6), the positioning ring (7) and the sleeve (5) are coaxially arranged, the diameter of the inner circumference of the positioning ring (7) is larger than that of the outer circumference of the main rod (3), and the positioning ring (7) is positioned at the bottom of the main rod (3).
3. The portable testing device for the noise of the extrapolated steel girder structure is characterized in that a fastener is arranged on the triangular support (2), and the fastener is connected with the steel girder.
4. The portable testing device for the noise of the extrapolation steel beam structure according to claim 1, wherein a main beam handle (15) is arranged on the peripheral wall of the main beam (3), and the main beam handle (15) is positioned above the switch (4).
5. The portable noise testing device for the extrapolation type steel beam structure according to claim 1, wherein the bottom of the main rod (3) is provided with a spring groove (18) for inserting the top of the built-in spring (8), the wall of the spring groove (18) is vertically provided with the built-in spring (8), the bottom of the built-in spring (8) is connected with the sealing cover (12), the built-in springs (8) are provided in multiple groups, and the multiple groups of built-in springs (8) are uniformly distributed along the circumference by taking the axis of the main rod (3) as the center.
6. The portable testing device for the noise of the extrapolation type steel beam structure according to claim 1, wherein the main rod (3), the fixed rod (13) and the telescopic connecting rod (11) are all made of carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220184570.0U CN217211123U (en) | 2022-01-24 | 2022-01-24 | Portable testing arrangement of extrapolation formula girder steel structure noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220184570.0U CN217211123U (en) | 2022-01-24 | 2022-01-24 | Portable testing arrangement of extrapolation formula girder steel structure noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211123U true CN217211123U (en) | 2022-08-16 |
Family
ID=82794553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220184570.0U Expired - Fee Related CN217211123U (en) | 2022-01-24 | 2022-01-24 | Portable testing arrangement of extrapolation formula girder steel structure noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211123U (en) |
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2022
- 2022-01-24 CN CN202220184570.0U patent/CN217211123U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |