CN218241549U - Low-vibration low-noise reactor - Google Patents
Low-vibration low-noise reactor Download PDFInfo
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- CN218241549U CN218241549U CN202222295566.4U CN202222295566U CN218241549U CN 218241549 U CN218241549 U CN 218241549U CN 202222295566 U CN202222295566 U CN 202222295566U CN 218241549 U CN218241549 U CN 218241549U
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- 230000007246 mechanism Effects 0.000 claims abstract description 59
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000741 silica gel Substances 0.000 claims abstract description 20
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 20
- 244000035744 Hura crepitans Species 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims 4
- 239000004945 silicone rubber Substances 0.000 claims 4
- 239000006096 absorbing agent Substances 0.000 description 8
- 230000035939 shock Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a low-vibration low-noise reactor, which comprises a reactor body, wherein a noise reduction sandbox is arranged on the outer side wall of the reactor body; the reactor body is limited in the hoisting frame through a fixed connecting piece; the vibration damping mechanism is arranged above the vibration damping mechanism, and comprises a vibration damper array and a second silica gel pad. The utility model discloses a hoist and mount frame hangs the reactor body in the support frame for reactor body and support frame bottom produce the clearance of take the altitude, and first silica gel pad is equipped with damping device as second grade buffer as one-level buffer between support frame lower extreme and the ground, can cushion the vibration that reactor body during operation produced, alleviates impact and the collision that the support frame received, effectively reduces the noise of reactor body during operation.
Description
Technical Field
The utility model relates to an electric power distribution field especially relates to a low noise reactor that shakes.
Background
The reactor is an indispensable electrical device in a power system and is an important component in a power transmission and transformation system. With the increase of the electricity consumption of residents, the capacity and the volume of the reactor are also continuously increased, the vibration noise of the reactor caused by the working of the iron core and the coil mechanism is one of the main low-frequency noises of the transformer substation, and the low-frequency noise has the characteristics of strong penetrating power, long propagation distance and high pollution, can seriously affect the life and work of the residents around, and therefore needs to be improved in vibration reduction and noise reduction.
For example, chinese patent publication No. CN105742007B, published 2018, 01, 22, entitled "reactor", includes a coil wire wound around a core. The radiator is fixed on the reactor body through the heat transfer plate. The heat sink includes a restriction wall for the heat transfer plate such that expansion of the heat transfer plate in the first direction is restricted more than expansion of the heat transfer plate in the second direction. The first direction is an extending direction of the coil wire on a surface of the reactor body abutting on the heat transfer plate. The second direction is an axial direction of the coil wire.
The prior patent has the following disadvantages: when the existing reactor works, the iron core and the coil mechanism are easy to generate low-frequency noise, and the low-frequency noise seriously influences the life and work of the surrounding environment.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the problem that iron core and coil mechanism easily produced the low frequency noise during current reactor operation, provide a low noise reactor that shakes for vibration and noise that produce during the reduction reactor operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a low-vibration low-noise reactor comprising:
the noise reduction sand box is arranged on the outer side wall of the reactor body;
the reactor body is limited in the hoisting frame through a fixed connecting piece;
and the support frame is arranged above the vibration damping mechanism. This scheme is hung the reactor body through hoist and mount frame in the support frame and is set up first silica gel pad, and the vibration that this internal iron core of very big absorption reactor and coil mechanism produced is strikeed, and first silica gel pad is equivalent to one-level buffer, can effectively cushion the vibration that reactor body during operation produced, alleviates the impact and the collision that the support frame received, effectively reduces the noise of reactor body during operation. The vibration reduction mechanism is arranged below the support frame and is equivalent to a secondary buffer device when placed on the ground, so that the vibration transmitted by the support frame can be effectively reduced, and the noise is reduced. The reactor during operation has been guaranteed to keep low noise that shakes, and this scheme has simple structure, reasonable, and production preparation and installation are very easy advantage.
Preferably, the first silica gel pad is located on the inner wall of the upper end of the support frame, and the hoisting frame penetrates through the first silica gel pad and is connected with the support frame.
Preferably, the upper end of the hoisting frame is provided with a screw rod, the screw rod is sleeved with a nut in threaded fit with the screw rod, the screw rod sequentially penetrates through the first silica gel pad and the upper end of the support frame, and the hoisting frame is screwed up and fixed in the support frame through the screw rod nut. The lifting height of the lifting frame can be adjusted by adjusting nuts.
Preferably, the fixed connecting piece comprises a fixed limiting part arranged at the lower end of the reactor body and a lifting ring component arranged at the upper end of the reactor body, the lower end of the reactor body is fixedly connected with the lifting frame through the fixed limiting part, and the upper end of the reactor body is fixedly connected with the lifting frame through the lifting ring component. The fixed limiting part can be fixed by bolts, the hoisting frame and the reactor body are screwed and fixed, and an elastic gasket is arranged between the lower end of the reactor body and the hoisting frame, so that the vibration damping effect is achieved.
Preferably, the vibration reduction mechanism comprises a vibration reducer array and a second silica gel pad, the vibration reducer array is located below the supporting frame, and the second silica gel pad is located below the vibration reducer array. The two-stage buffer device is equivalent to a two-stage buffer device, so that the vibration transmitted by the support frame can be effectively reduced, and the noise is reduced.
Preferably, the shock absorber array comprises a plurality of shock absorbers which are regularly distributed below the supporting frame, each shock absorber comprises a foundation plate and a supporting plate arranged in parallel with the foundation plate, the supporting frame is arranged on the supporting plate, a guide mechanism and a quasi-zero rigidity mechanism are arranged between the foundation plate and the supporting plate, and the quasi-zero rigidity mechanism comprises a positive rigidity mechanism and a negative rigidity mechanism.
Preferably, the guide mechanism comprises a first guide connecting rod and a second guide connecting rod which are arranged in a crossed manner, the first guide connecting rod and the second guide connecting rod are rotatably connected through a pin shaft, one end, close to the supporting plate, of the first guide connecting rod is rotatably connected with the supporting plate, one end, close to the foundation plate, of the first guide connecting rod is provided with a roller, the foundation plate is provided with a sliding groove, and the first guide connecting rod penetrates through the sliding groove in the foundation plate and moves along the foundation plate through the roller; one end, close to the foundation plate, of the second guide connecting rod is rotatably connected with the foundation plate, one end, close to the supporting plate, of the second guide connecting rod is provided with a roller, the supporting plate is provided with a sliding groove, and the second guide connecting rod penetrates through the sliding groove in the supporting plate and moves along the supporting plate through the roller; the number of the guide mechanisms is two, the guide mechanisms are just opposite to each other in distribution, and the quasi-zero stiffness mechanism is located between the two guide mechanisms.
Preferably, the positive stiffness mechanism comprises vertically distributed support springs, the upper ends of the support springs are connected with the support plate, and the lower ends of the support springs are connected with the foundation plate; negative stiffness mechanism sets up the horizontal spring on scissors fork extending structure lateral wall including setting up scissors fork extending structure, level between backup pad and foundatin plate, horizontal spring is used for resetting scissors fork extending structure. The vibration isolation performance with good quasi-zero stiffness is realized by the supporting spring and the horizontal spring, and the vibration is absorbed by the deformation of the supporting spring and the horizontal spring, such as stretching, compression and the like, so that the scissors fork stretching structure and the guide structure are driven to move and consume.
Preferably, the scissor fork structure comprises four support rods forming a parallelogram, the adjacent support rods are movably connected through pin shafts, and the upper end of the scissor fork telescopic structure is movably connected with the support plate and the lower end of the scissor fork telescopic structure is movably connected with the foundation plate through pin shafts; the number of the scissor fork telescopic structures is two, the two scissor fork telescopic structures are oppositely distributed, the two corresponding ends of the scissor fork telescopic structures which are oppositely distributed are connected through hinge shafts, the horizontal springs are hung between the two hinge shafts, and the number of the horizontal springs is multiple. The support rod, the horizontal spring and the support spring are combined to form a nonlinear vibration isolation effect.
Preferably, the noise reduction sandbox is located at two ends of any reactor body in the length direction, and the noise reduction sandbox is fixed on the outer side wall of the reactor body through screws.
The utility model discloses following beneficial effect has: hang the reactor body in the support frame through hoist and mount frame for reactor body and support frame bottom produce the clearance of take the altitude, and be equipped with first silica gel pad between reactor body and hoist and mount frame top and the support frame upper end inner wall, be equipped with vibration damper between support frame lower extreme and the ground, the vibration that the reactor body during operation produced can be cushioned to this structure, alleviates the impact and the collision that the support frame received, effectively reduces the noise of reactor body during operation, realizes the low noise that shakes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the shock absorber of the present invention.
Fig. 3 is a schematic structural diagram of the negative stiffness mechanism of the present invention.
In the figure:
a reactor body 1, a noise reduction sandbox 2, a support frame 3,
A hoisting frame 4, a screw 4.1, a nut 4.2,
The device comprises a first silica gel pad 5, a lifting ring component 6, a limiting part 7, a second silica gel pad 8, a base plate 9, a supporting plate 10, a first guide connecting rod 11, a second guide connecting rod 12, a roller 13, a sliding groove 14, a supporting spring 15, a horizontal spring 16, a supporting rod 17 and a hinge shaft 18.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1 to 3, a low-vibration and low-noise reactor includes: the noise reduction device comprises a reactor body 1, wherein a noise reduction sandbox 2 is arranged on the outer side wall of the reactor body 1; the reactor comprises a mounting mechanism and a control mechanism, wherein the mounting mechanism comprises a support frame 3 and a hoisting frame 4 hung in the support frame 3, a reactor body 1 is hung in the support frame 3 through the hoisting frame 4, a first silica gel pad 5 is arranged at the joint of the hoisting frame 4 and the support frame 3, and the reactor body 1 is limited in the hoisting frame 4 through a fixed connecting piece; damping mechanism, support frame 3 sets up above damping mechanism. This scheme just sets up first silica gel pad 5 through hoisting frame 4 with hanging reactor body 1 in support frame 3, and the vibration that iron core and coil mechanism produced in the very big absorption reactor body 1 is strikeed, and first silica gel pad 5 is equivalent to one-level buffer, can effectively cushion the vibration that 1 during operation of reactor body produced, alleviates the impact and the collision that support frame 3 received, effectively reduces the noise of 1 during operation of reactor body. The vibration reduction mechanism is arranged below the support frame 3, which is equivalent to a secondary buffer device, so that the vibration transmitted by the support frame 3 can be effectively reduced, and the noise is reduced. The reactor can keep low vibration and low noise during working, and the scheme has the advantages of simple and reasonable structure, and easy production, manufacture and installation.
The low-vibration low-noise reactor solves the problems that when the existing reactor works, an iron core and a coil mechanism are easy to generate low-frequency noise, and the low-frequency noise seriously influences the life and work of the surrounding environment.
Further, as shown in fig. 1, the first silica gel pad 5 is located on the inner wall of the upper end of the support frame 3, and the hoisting frame 4 passes through the first silica gel pad 5 and is connected with the support frame 3.
As shown in fig. 1, a screw 4.1 is arranged at the upper end of the hoisting frame 4, a nut 4.2 in threaded fit with the screw 4.1 is sleeved on the screw 4.1, the screw 4.1 sequentially penetrates through the upper ends of the first silica gel pad 5 and the support frame 3, and the hoisting frame 4 is screwed and fixed in the support frame 3 through the screw 4.1 and the nut 4.2. The lifting height of the lifting frame 4 can be adjusted by the adjusting nut 4.2.
As shown in fig. 1, the fixed connecting member includes a fixed limiting member 6 disposed at the lower end of the reactor body 1 and a lifting ring assembly 7 disposed at the upper end of the reactor body 1, the lower end of the reactor body 1 is fixedly connected with the lifting frame 4 through the fixed limiting member, and the upper end of the reactor body 1 is fixedly connected with the lifting frame 4 through the lifting ring assembly 7. Fixed locating part can adopt the bolt fastening, will hoist and mount frame 4 and reactor body 1 screw up fixedly, is equipped with the elastic gasket between 1 lower extreme of reactor body and the hoist and mount frame 4, reaches the effect of damping.
As shown in fig. 1, the vibration damping mechanism includes a vibration damper array and a second silicone pad 8, the vibration damper array is located below the support frame 3, and the second silicone pad 8 is located below the vibration damper array. Equivalent to a secondary buffer device, can effectively reduce the vibration that the support frame 3 passes out, reduce the noise. The shock absorber array includes a plurality of shock absorbers, and the shock absorber regular distribution is in support frame 3 below, and the shock absorber includes foundatin plate 9, with foundatin plate 9 parallel arrangement's backup pad 10, and support frame 3 sets up in backup pad 10, is equipped with guiding mechanism and zero accurate rigidity mechanism between foundatin plate 9 and the backup pad 10, and zero accurate rigidity mechanism includes positive rigidity mechanism and burden rigidity mechanism.
Further, as shown in fig. 2, the guide mechanism includes a first guide connecting rod 11 and a second guide connecting rod 12 which are arranged in a crossed manner, the first guide connecting rod 11 and the second guide connecting rod 12 are rotatably connected through a pin, one end of the first guide connecting rod 11 close to the supporting plate 10 is rotatably connected with the supporting plate 10, one end of the first guide connecting rod 11 close to the foundation plate 9 is provided with a roller 13, the foundation plate 9 is provided with a chute 14, and the first guide connecting rod 11 passes through the chute 14 on the foundation plate 9 and moves along the foundation plate 9 through the roller 13; one end of a second guide connecting rod 12 close to the foundation plate 9 is rotatably connected with the foundation plate 9, one end of the second guide connecting rod 12 close to the support plate 10 is provided with a roller 13, the support plate 10 is provided with a sliding chute 14, and the second guide connecting rod 12 penetrates through the sliding chute 14 on the support plate 10 and moves along the support plate 10 through the roller 13; the number of the guide mechanisms is two, the guide mechanisms are just opposite to each other and are distributed, and the quasi-zero stiffness mechanism is located between the two guide mechanisms. The guide means are used on the one hand to support the support plate 10 above the base plate 9 and on the other hand to dissipate the vibrations generated by the support frame 3 by means of the movement of the rollers 13.
Further, as shown in fig. 2 and 3, the positive stiffness mechanism includes vertically distributed support springs 15, the upper ends of the support springs 15 are connected with the support plate 10, and the lower ends of the support springs 15 are connected with the base plate 9; the negative stiffness mechanism comprises a scissor fork telescopic structure arranged between the supporting plate 10 and the base plate 9, and a horizontal spring 16 horizontally arranged on the side wall of the scissor fork telescopic structure, wherein the horizontal spring 16 is used for resetting the scissor fork telescopic structure. The supporting spring 15 and the horizontal spring 16 are used for realizing good vibration isolation performance with quasi-zero stiffness, and the supporting spring 15 and the horizontal spring 16 are used for absorbing vibration through stretching, compression and other deformation to drive the scissors fork stretching structure and the guide structure to move and consume. The scissor fork structure comprises four support rods 17 forming a parallelogram, the adjacent support rods 17 are movably connected through pin shafts, and the upper end of the scissor fork telescopic structure is movably connected with the support plate 10 and the lower end of the scissor fork telescopic structure is movably connected with the foundation plate 9 through pin shafts; the number of the scissor fork telescopic structures is two, the two scissor fork telescopic structures are oppositely distributed, the two corresponding ends of the scissor fork telescopic structures which are oppositely distributed are connected through hinge shafts 18, the horizontal springs 16 are hung between the two hinge shafts 18, and the number of the horizontal springs 16 is multiple. The support rod 17, the horizontal spring 16 and the support spring 15 are combined to form a nonlinear vibration isolation effect.
Further, as shown in fig. 1, noise reduction sandboxes 2 are located at two ends of any reactor body 1 in the length direction, and the noise reduction sandboxes 2 are fixed on the outer side wall of the reactor body 1 through screws.
The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. All equivalent changes made according to the shape and structure of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A low-vibration low-noise reactor is characterized by comprising:
the reactor comprises a reactor body (1), wherein a noise reduction sandbox (2) is arranged on the outer side wall of the reactor body;
the reactor comprises an installation mechanism, wherein the installation mechanism comprises a support frame (3) and a hoisting frame (4) hung in the support frame, the reactor body is hung in the support frame through the hoisting frame, a first silica gel pad (5) is arranged at the joint of the hoisting frame and the support frame, and the reactor body is limited in the hoisting frame through a fixed connecting piece;
and the support frame is arranged above the vibration damping mechanism.
2. The reactor of claim 1, wherein the first silicone rubber pad is located on an inner wall of an upper end of the support frame, and the hoisting frame penetrates through the first silicone rubber pad and is connected with the support frame.
3. The low-vibration low-noise reactor as recited in claim 2, wherein a screw (4.1) is arranged at the upper end of the hoisting frame, a nut (4.2) in threaded fit with the screw is sleeved on the screw, the screw sequentially penetrates through the first silica gel pad and the upper end of the support frame, and the hoisting frame is screwed up and fixed in the support frame through the screw and the nut.
4. A low-vibration low-noise reactor as claimed in claim 1, 2 or 3, wherein the fixed connecting member comprises a fixed limiting member (6) arranged at the lower end of the reactor body and a hoisting ring assembly (7) arranged at the upper end of the reactor body, the lower end of the reactor body is fixedly connected with the hoisting frame through the fixed limiting member, and the upper end of the reactor body is fixedly connected with the hoisting frame through the hoisting ring assembly.
5. A low-vibration and low-noise reactor according to claim 1, 2 or 3, wherein said vibration-damping mechanism comprises a vibration-damper array and a second silicone rubber pad (8), said vibration-damper array is located below said supporting frame, and said second silicone rubber pad is located below said vibration-damper array.
6. A low vibration and low noise reactor according to claim 5, wherein the vibration damper array comprises a plurality of vibration dampers, the vibration dampers are regularly distributed below the support frame, each vibration damper comprises a base plate (9) and a support plate (10) arranged in parallel with the base plate, the support frame is arranged on the support plate, a guide mechanism and a quasi-zero stiffness mechanism are arranged between the base plate and the support plate, and the quasi-zero stiffness mechanism comprises a positive stiffness mechanism and a negative stiffness mechanism.
7. The reactor is characterized in that the guide mechanism comprises a first guide connecting rod (11) and a second guide connecting rod (12) which are arranged in a crossed manner, the first guide connecting rod and the second guide connecting rod are rotationally connected through a pin shaft, one end, close to the supporting plate, of the first guide connecting rod is rotationally connected with the supporting plate, one end, close to the foundation plate, of the first guide connecting rod is provided with a roller (13), the foundation plate is provided with a sliding groove (14), and the first guide connecting rod penetrates through the sliding groove in the foundation plate and moves along the foundation plate through the roller; one end, close to the foundation plate, of the second guide connecting rod is rotatably connected with the foundation plate, one end, close to the supporting plate, of the second guide connecting rod is provided with a roller, the supporting plate is provided with a sliding groove, and the second guide connecting rod penetrates through the sliding groove in the supporting plate and moves along the supporting plate through the roller; the number of the guide mechanisms is two, the guide mechanisms are just opposite to each other in distribution, and the quasi-zero stiffness mechanism is located between the two guide mechanisms.
8. A low-vibration low-noise reactor according to claim 7, wherein said positive stiffness mechanism comprises vertically distributed support springs (15), the upper ends of said support springs are connected with a support plate, and the lower ends of said support springs are connected with a base plate; negative stiffness mechanism sets up horizontal spring (16) on scissors fork extending structure lateral wall including setting up scissors fork extending structure, level between backup pad and foundatin plate, horizontal spring is used for restoring to the throne scissors fork extending structure.
9. The low-vibration low-noise reactor as recited in claim 8, wherein the scissor fork telescopic structure comprises four support rods (17) forming a parallelogram, adjacent support rods are movably connected through pin shafts, and the upper end of the scissor fork telescopic structure is movably connected with the support plate and the lower end of the scissor fork telescopic structure is movably connected with the base plate through pin shafts; the number of the scissor fork telescopic structures is two, the two scissor fork telescopic structures are oppositely distributed, the two corresponding ends of the scissor fork telescopic structures which are oppositely distributed are connected through hinge shafts (18), the horizontal springs are hung between the two hinge shafts, and the number of the horizontal springs is multiple.
10. A low-vibration and low-noise reactor according to claim 1, 2 or 3, wherein said noise reduction sandbox is located at both ends of any reactor body in the length direction, and said noise reduction sandbox is fixed to the outer side wall of the reactor body by screws.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295566.4U CN218241549U (en) | 2022-08-30 | 2022-08-30 | Low-vibration low-noise reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222295566.4U CN218241549U (en) | 2022-08-30 | 2022-08-30 | Low-vibration low-noise reactor |
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| CN218241549U true CN218241549U (en) | 2023-01-06 |
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| CN202222295566.4U Active CN218241549U (en) | 2022-08-30 | 2022-08-30 | Low-vibration low-noise reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116674755A (en) * | 2023-06-30 | 2023-09-01 | 中国民航大学 | A quasi-zero stiffness aircraft seat vibration isolation device |
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2022
- 2022-08-30 CN CN202222295566.4U patent/CN218241549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116674755A (en) * | 2023-06-30 | 2023-09-01 | 中国民航大学 | A quasi-zero stiffness aircraft seat vibration isolation device |
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