CN214471631U - Vibration exciter protector - Google Patents

Vibration exciter protector Download PDF

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Publication number
CN214471631U
CN214471631U CN202022887888.9U CN202022887888U CN214471631U CN 214471631 U CN214471631 U CN 214471631U CN 202022887888 U CN202022887888 U CN 202022887888U CN 214471631 U CN214471631 U CN 214471631U
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China
Prior art keywords
vibration exciter
exciter
vibration
casing
branch pipe
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CN202022887888.9U
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Chinese (zh)
Inventor
华如南
钱大帅
孙国仓
王志朋
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Wuhan No 2 Ship Design Institute No 719 Research Institute of China Shipbuilding Industry Corp
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Wuhan No 2 Ship Design Institute No 719 Research Institute of China Shipbuilding Industry Corp
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Priority to CN202022887888.9U priority Critical patent/CN214471631U/en
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Abstract

The utility model relates to a technical field of vibration exciter protection particularly, relates to a vibration exciter protector, this vibration exciter protector, include: the shell is used for placing a vibration exciter; the connecting part is connected to the shell and used for connecting an excitation rod of the vibration exciter. The casing adopts waterproof material, avoid water to cause destruction to the vibration exciter in getting into the casing, when measuring structure vibration mode under water, the exciting rod of vibration exciter need place outside the casing, contact the testee, produce the excitation to it, connect the connecting rod of vibration exciter through connecting portion, make the gap between the connecting rod of vibration exciter and the casing obtain sealed, make the vibration exciter can be in normal work under water, still avoided water to enter into the casing from the connecting rod of vibration exciter, cause the destruction to the vibration exciter. The vibration exciter protection device is simple and convenient in structure, can be suitable for different types of vibration exciters, does not need to be specially customized, and saves cost.

Description

Vibration exciter protector
Technical Field
The utility model relates to a technical field of vibration exciter protection particularly, relates to a vibration exciter protector.
Background
When measuring the structural vibration mode under water, need use the vibration exciter that has waterproof function, however, the vibration exciter of commonly used all is non-waterproof design, and during the underwater measurement, easy damage equipment need special customization vibration exciter that has waterproof function in order to carry out the underwater measurement at present, and this kind of vibration exciter customization is expensive, and can not be general, can't satisfy the use of most scenes, so design the general protector that has waterproof function of vibration exciter and worth very big.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model provides a vibration exciter protector.
In view of this, the utility model provides a vibration exciter protector, include: a housing and a connecting portion;
the shell is used for placing a vibration exciter; the connecting part is connected to the shell and used for connecting an excitation rod of the vibration exciter.
In addition, the embodiment of the utility model provides a vibration exciter protector among the above-mentioned technical scheme can also have following additional technical characteristics:
in one technical scheme of the utility model, two ends of the shell are provided with end covers;
the end cover is provided with through holes, wherein one through hole is used for connecting a cable of the vibration exciter, and the other through hole is used for connecting a vibration exciting rod of the vibration exciter.
The utility model discloses an among the technical scheme, the one end that the casing is used for connecting cable is provided with a plurality of installed parts, and the installed part is used for connecting the vibration exciter.
In a technical solution of the present invention, the housing includes: the sealing member is provided with a sealing ring which is provided with a sealing ring,
the sealing element is arranged in a through hole of a cable for connecting the vibration exciter in a penetrating mode.
In a technical solution of the present invention, the connecting portion includes: the branch pipe is provided with a branch pipe,
the branch pipe penetrates through a through hole used for connecting an excitation rod of a vibration exciter.
The utility model discloses an among the technical scheme, connecting portion still include: a sleeve and a supporting spring, wherein the sleeve is arranged on the supporting spring,
the supporting spring is used for sleeving the excitation rod of the vibration exciter, and one end of the supporting spring is connected to the branch pipe; the sleeve is sleeved on the supporting spring, and one end of the sleeve is connected to the branch pipe.
In one technical scheme of the utility model, the branch pipe is provided with a first step and a second step; the first step is connected with the through hole; the second step is connected to the support spring.
The utility model discloses an among the technical scheme, end cover and casing adopt flange seal, and the junction of end cover and casing is provided with the gasket.
In a preferred embodiment of the present invention, the mounting member is an elastic member.
In one embodiment of the present invention, the housing is cylindrical.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
the utility model provides a vibration exciter protector, vibration exciter protector is provided with the casing, the casing is used for placing the vibration exciter, the casing adopts waterproof material, cause destruction to the vibration exciter in avoiding water to get into the casing, and be provided with connecting portion, connecting portion connect in the one end of casing, when measuring the structural vibration mode under water, the exciting rod of vibration exciter need place outside the casing, contact the testee, produce the excitation to it, connect the connecting rod of vibration exciter through connecting portion, make the gap between the connecting rod of vibration exciter and the casing obtain sealed, make the vibration exciter can be when normal work under water, water has still been avoided entering into the casing from the connecting rod of vibration exciter, cause destruction to the vibration exciter. The vibration exciter protection device is simple and convenient in structure, can be suitable for different types of vibration exciters, does not need to be specially customized, and saves cost.
The vibration exciter protector of the present invention, other advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 shows a schematic structural view of a vibration exciter protector according to an embodiment of the present invention;
fig. 2 shows another schematic structural view of an exciter protector according to an embodiment of the present invention;
fig. 3 shows a front view of a housing according to an embodiment of the invention;
fig. 4 shows a top view of a housing according to an embodiment of the invention;
fig. 5 shows a front view of an end cap according to an embodiment of the invention;
fig. 6 shows a top view of an end cap according to an embodiment of the invention;
figure 7 shows a front view of a branch pipe according to an embodiment of the invention;
figure 8 shows a top view of a branch pipe according to an embodiment of the invention;
fig. 9 shows a schematic view of an assembly of a connecting portion and a housing according to an embodiment of the invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 9 is:
100, 110 end caps, 120 mounts, 130 seals,
200, 210, 212, first step, 214, second step,
220 sleeve, 230 supporting spring, 300 exciter, 310 exciting rod of exciter,
320 cable of vibration exciter, 400 gasket, 500 screw hole.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
In an embodiment of the present invention, as shown in fig. 1 to 4, there is provided a vibration exciter 300 protection device, including: the housing 100 and the connecting portion 200; the shell 100 is used for placing the vibration exciter 300; the connection portion 200 is connected to the case 100, and the connection portion 200 is used to connect the excitation rod 310 of the vibration exciter.
In this embodiment, the protection device for the vibration exciter 300 is provided with a housing 100, the housing 100 is used for placing the vibration exciter 300, the housing 100 is made of waterproof material, it is avoided that water enters the housing 100 to damage the vibration exciter 300, and the connection portion 200 is provided, the connection portion 200 is connected to one end of the housing 100, and the connection portion 200 is also made of waterproof material, when measuring the underwater structural vibration mode, the vibration exciting rod 310 of the vibration exciter needs to be placed outside the housing 100 to contact a measured object, so as to generate vibration excitation, the vibration exciting rod 310 of the vibration exciter is connected through the connection portion 200, so that a gap between the connection rod of the vibration exciter 300 and the housing 100 is sealed, so that the vibration exciter 300 can normally work underwater, and meanwhile, water is also avoided entering the housing 100 from the connection rod of the vibration exciter 300, so as to damage the vibration exciter 300. The protection device for the vibration exciter 300 is simple and convenient in structure, can be suitable for different types of vibration exciters 300, does not need to be specially customized, can be suitable for most application scenes, and saves cost.
In one embodiment of the present invention, as shown in fig. 1 to 6, both ends of the housing 100 are provided with end caps 110; the end cap 110 is provided with through holes, wherein one through hole is used for connecting a cable 320 of the vibration exciter 300, and the other through hole is used for connecting a vibration exciting rod 310 of the vibration exciter.
In this embodiment, end caps 110 are disposed at two ends of the casing 100, the vibration exciter 300 is placed in the casing 100, the end caps 110 are installed at two ends of the casing 100, the two ends of the casing 100 are sealed by the end caps 110, so as to prevent water from entering the casing 100 and damaging the vibration exciter 300, meanwhile, through holes are disposed on the end caps 110, one of the through holes is used for connecting a cable 320 of the vibration exciter 300, the cable 320 of the vibration exciter 300 extends out of the casing 100 through the through hole and is connected with an external power supply to supply power to the vibration exciter 300, a gap between the through hole and the cable 320 of the vibration exciter 300 is sealed, so as to prevent water from entering the casing 100 from the through hole and damaging the vibration exciter 300. Another through-hole is used for connecting the excitation rod 310 of vibration exciter, stretches out the excitation rod 310 of vibration exciter through the through-hole casing 100, contacts the testee, produces the excitation to it, measures underwater structure vibration mode, seals the gap between the connecting rod of vibration exciter 300 and casing 100 for vibration exciter 300 can be in under water normal work, has still avoided water to enter into casing 100 from the connecting rod of vibration exciter 300, causes the destruction to vibration exciter 300.
In one embodiment of the present invention, as shown in fig. 1 and 2, one end of the housing 100 for connecting a cable is provided with a plurality of mounting members 120, and the mounting members 120 are used for connecting the vibration exciter 300.
In this embodiment, one end of the casing 100 for connecting a cable is provided with a plurality of mounting parts 120, specifically, one mounting part 120 is respectively arranged at four corners of one end of the casing 100, the other end of the mounting part 120 is used for connecting a vibration exciter 300 placed in the casing 100, so that the vibration exciter 300 can be suspended in the casing 100, vibration generated by the vibration exciter 300 during operation can be transmitted to the casing 100 after being weakened by the mounting part 120, influence of vibration of the vibration exciter 300 on the casing 100 is reduced, stability of a protection device of the vibration exciter 300 is improved, meanwhile, external force generated by reasons such as external collision and the like when the casing 100 is prevented from being transmitted to the vibration exciter 300 is avoided, thereby influencing a measurement result, and accuracy of measurement is improved.
In an embodiment of the present invention, as shown in fig. 1 and 2, the housing 100 includes: and the sealing element 130, wherein the sealing element 130 is arranged in a through hole of the cable 320 for connecting the vibration exciter 300.
In this embodiment, the sealing member 130 is installed at the through hole for connecting the cable 320 of the vibration exciter 300, so that water is prevented from entering the housing 100 from a gap between the cable 320 of the vibration exciter 300 and the through hole and damaging the vibration exciter 300, the sealing member 130 can use a stuffing box, and epoxy resin cement can be used between the stuffing box and the through hole for further sealing, the epoxy resin cement has the characteristics of excellent mechanical properties, corrosion resistance, water resistance and the like, the water resistance of the protection device of the vibration exciter 300 is further improved, and the vibration exciter 300 is better protected.
In an embodiment of the present invention, as shown in fig. 1 and 2, the connection portion 200 includes: and the branch pipe 210, wherein the branch pipe 210 is arranged through a through hole of the excitation rod 310 for connecting the vibration exciter.
In this embodiment, the connecting portion 200 is provided with a branch pipe 210, the branch pipe 210 is disposed through a through hole for connecting an excitation rod 310 of a vibration exciter, one end of the branch pipe 210 is installed in the through hole, and the branch pipe 210 is of a hollow structure, so that the excitation rod 310 of the vibration exciter can pass through the branch pipe 210 and further can extend out of the housing 100 to contact a measured object to generate excitation to measure an underwater structural vibration mode, the branch pipe 210 is disposed to enable the vibration exciter 300 to normally work underwater and seal the housing 100, thereby further improving the waterproof performance of the protection device of the vibration exciter 300, better protecting the vibration exciter 300, and meanwhile, the branch pipe 210 generates a fixing effect on the radial direction of the excitation rod 310 of the vibration exciter, so as to prevent the protection device of the vibration exciter 300 from being subjected to an external force when the vibration exciter 300 works underwater, so that the excitation rod 310 of the vibration exciter shakes in the radial direction, thereby causing unstable measurement results and improving the accuracy of measurement and the stability of the protection device of the vibration exciter 300.
In an embodiment of the present invention, as shown in fig. 9, the connection portion 200 further includes: the supporting spring 230 is used for sleeving an excitation rod 310 of the vibration exciter, and one end of the supporting spring 230 is connected to the branch pipe 210; the sleeve 220 is sleeved on the supporting spring 230, and one end of the sleeve 220 is connected to the branch pipe 210.
In this embodiment, the connection portion 200 is further provided with a sleeve 220 and a support spring 230, wherein the support spring 230 is sleeved on the excitation rod 310 of the exciter, one end of the support spring 230 is connected to one end of the branch pipe 210 far from the end cap 110, and the length of the support spring 230 is shorter than the length of the part of the excitation rod 310 of the exciter, which is exposed out of the branch pipe 210. The sleeve 220 is sleeved outside the supporting spring 230, and one end of the exciting rod 310 of the vibration exciter is exposed out of the sleeve 220, the sleeve 220 is made of materials with certain elasticity such as rubber, the end, connected with the sleeve 220 and the exciting rod 310 of the vibration exciter, of the sleeve is tightened by fastening or adopting a sealant and the like, the waterproof performance of the protecting device of the vibration exciter 300 is further improved, the vibration exciter 300 is better protected, meanwhile, the supporting spring 230 is arranged between the sleeve 220 and the exciting rod 310 of the vibration exciter, the sleeve 220 can be prevented from being flattened by water pressure, the vibration of the exciting rod 310 of the vibration exciter is influenced, the sleeve 220 is supported by the supporting spring 230, the sleeve 220 is prevented from being deformed, the influence on the vibration of the exciting rod 310 of the vibration exciter can be reduced as much as possible by selecting the supporting spring 230, and the measuring accuracy is improved.
In one embodiment of the present invention, as shown in fig. 7 and 8, the branch pipe 210 is provided with a first step 212 and a second step 214; the first step 212 is connected to the through hole; the second step 214 is connected to the support spring 230.
In this embodiment, the branch pipe 210 is provided with a first step 212 and a second step 214, wherein the first step 212 is connected to the through hole, and the second step 214 is connected to the supporting spring 230, specifically, when the branch pipe 210 is connected to the through hole, a vertical surface of the first step 212 passes through the through hole, and a horizontal surface of the first step 212 is clamped to an end surface where the through hole is located, so that the position of the branch pipe 210 is fixed, and meanwhile, the situation that water enters the housing 100 from the connection position of the branch pipe 210 and the through hole and damages the vibration exciter 300 is avoided. Furthermore, epoxy resin daub can be added at the connection of the horizontal plane of the first step 212 and the through hole for sealing, the epoxy resin daub has the characteristics of excellent mechanical property, corrosion resistance, water resistance and the like, the waterproof performance of the vibration exciter 300 protection device is further improved, and the vibration exciter 300 is better protected.
The vertical surface of the second step 214 surface is used for installing the supporting spring 230, the horizontal surface of the second step 214 is used for fixing the position of the supporting spring 230, the supporting spring 230 and the exciting rod 310 of the vibration exciter are spaced at a certain distance due to the arrangement of the second step 214 surface, direct connection is avoided, pressure in water is prevented from being transmitted to the supporting spring 230 through the sleeve 220 and then transmitted to the exciting rod 310 of the vibration exciter through the supporting spring 230, accordingly, the vibration of the exciting rod 310 of the vibration exciter is influenced, and the measuring accuracy is improved.
In an embodiment of the present invention, as shown in fig. 1 to 6, the end cap 110 and the housing 100 are flange-sealed, and a gasket 400 is disposed at a joint of the end cap 110 and the housing 100.
In this embodiment, the end cover 110 and the housing 100 are sealed by flange sealing, one end of the housing 100, which is used for connecting the end cover 110, is provided with 24 threaded holes 500, a corresponding position of the end cover 110 is also provided with the threaded holes 500 matched with the end cover, the end cover 110 and the housing 100 are flange-sealed by bolts and nuts, meanwhile, a gasket 400 is arranged at the joint of the end cover 110 and the housing 100, when the end cover 110 presses the housing 100, the gasket 400 is also pressed, gaps between the end cover 110 and the housing 100 are further reduced, and the waterproof effect of the protecting device of the vibration exciter 300 is improved.
In one embodiment of the present invention, as shown in fig. 1 and 2, the mounting member 120 is an elastic member.
In this embodiment, the mounting member 120 is an elastic member having a certain elasticity, such as an elastic cord or a spring member, the four corners of the end of the casing 100 close to the cable 320 connected to the vibration exciter 300 are respectively provided with one elastic cord, the other end of the elastic cord is connected to the vibration exciter 300 in the casing 100 by fastening, so that the vibration exciter 300 can be suspended in the casing 100, and meanwhile, the lengths, the elasticity and the suspension angles of the four elastic cords are the same, so that the vibration exciter 300 can uniformly receive the forces of the four elastic cords, the elastic member is selected, so that the vibration generated during the operation of the vibration exciter 300 can be transmitted to the casing 100 after the vibration generated by the elastic cords is weakened, the influence of the vibration exciter 300 on the casing 100 is reduced, the stability of the vibration exciter 300 protection device is improved, and meanwhile, the external force generated by external impacts and the like on the casing 100 is prevented from being directly transmitted to the vibration exciter 300, thereby influencing the occurrence of the measuring result and improving the measuring accuracy.
In one embodiment of the present invention, as shown in fig. 1 to 4, the housing 100 is cylindrical in shape.
In this embodiment, casing 100 adopts the cylinder for casing 100 thickness everywhere is even, and casing 100 inner space is big, can be applicable to the great vibration exciter 300 of volume ratio, and the cylindrical water pressure resistance that can be better prevents to receive the pressure production of water to warp in aqueous, thereby the condition emergence of the vibration exciter 300 of placing in casing 100 causes the influence, has improved vibration exciter 300 protector's protectiveness and stability.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A vibration exciter protector, characterized by comprising:
a housing and a connecting portion;
the shell is used for placing a vibration exciter;
the connecting part is connected with the shell and is used for connecting an excitation rod of the vibration exciter;
end covers are arranged at two ends of the shell;
the end covers are provided with through holes, wherein one through hole is used for connecting a cable of the vibration exciter, and the other through hole is used for connecting a vibration exciting rod of the vibration exciter;
the housing includes:
the sealing member is provided with a sealing ring which is provided with a sealing ring,
the sealing element penetrates through the through hole of the cable used for connecting the vibration exciter.
2. The exciter guard of claim 1, wherein:
the casing is used for connecting the one end of cable is provided with a plurality of installed parts, the installed part is used for connecting the vibration exciter.
3. The exciter guard of claim 1, wherein the connection comprises:
the branch pipe is provided with a branch pipe,
the branch pipe penetrates through the through hole of the excitation rod for connecting the vibration exciter.
4. The exciter guard of claim 3, wherein the connection further comprises:
a sleeve and a supporting spring, wherein the sleeve is arranged on the supporting spring,
the supporting spring is used for sleeving an excitation rod of the vibration exciter, and one end of the supporting spring is connected to the branch pipe;
the sleeve is sleeved on the supporting spring, and one end of the sleeve is connected to the branch pipe.
5. The exciter guard of claim 4, wherein:
the branch pipe is provided with a first step and a second step;
the first step is connected to the through hole;
the second step is connected to the support spring.
6. The exciter guard of claim 1, wherein:
the end cover and the shell are sealed by flanges, and a gasket is arranged at the joint of the end cover and the shell.
7. The exciter guard of claim 2, wherein:
the mounting member is an elastic member.
8. Exciter guard according to any of claims 1 to 7, characterized in that:
the housing is cylindrical in shape.
CN202022887888.9U 2020-12-03 2020-12-03 Vibration exciter protector Active CN214471631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022887888.9U CN214471631U (en) 2020-12-03 2020-12-03 Vibration exciter protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022887888.9U CN214471631U (en) 2020-12-03 2020-12-03 Vibration exciter protector

Publications (1)

Publication Number Publication Date
CN214471631U true CN214471631U (en) 2021-10-22

Family

ID=78186397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022887888.9U Active CN214471631U (en) 2020-12-03 2020-12-03 Vibration exciter protector

Country Status (1)

Country Link
CN (1) CN214471631U (en)

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