CN213714535U - Vibration detection device - Google Patents
Vibration detection device Download PDFInfo
- Publication number
- CN213714535U CN213714535U CN202022776022.0U CN202022776022U CN213714535U CN 213714535 U CN213714535 U CN 213714535U CN 202022776022 U CN202022776022 U CN 202022776022U CN 213714535 U CN213714535 U CN 213714535U
- Authority
- CN
- China
- Prior art keywords
- arc
- light receiving
- shaped
- link
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a vibration detection technical field especially relates to a vibration detection device. The vibration detection device includes a light emitting module and a light receiving module. The light emitting component comprises a first body and a light emitting piece fixedly arranged on the first body, and the first body can be fixed on a pipeline to be tested. The light receiving assembly comprises a second body and a light receiving part installed on the second body, the light receiving part is connected with the second body through a first elastic part, and the second body can be fixed on a pipeline to be tested. The light emitting member is capable of irradiating light to the light receiving member. The vibration detection device can realize vibration detection of the pipeline to be detected, and has the advantages of simple structure, good detection effect and high working efficiency.
Description
Technical Field
The utility model relates to a vibration detection technical field especially relates to a vibration detection device.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The pipeline has wide application range, and is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices, the pipeline vibration is the connection of the pipeline and movable equipment, the vibration of the movable equipment causes the vibration of the pipeline, such as the vibration of a pump and an outlet pipeline of the pump, and in the installation and construction process, if the inlet and outlet pipeline of the pump and an inlet and outlet flange of the pump are not aligned or not aligned well, the pipeline is deformed under the influence of external force and other factors, so that the vibration is caused, and the vibration exceeds the standard. Usually see, elbow, valve and the relevant reducing pipe of pipeline linking can bring bigger than normal vibration, arouse the vibration of pipeline within the system, and the power of surging under the system's framework can add original pressure pulsation, and along with the increase in order of frequency, the original amplitude of pipeline vibration also can increase in order thereupon, so, has just aroused the aggravation of pipeline vibration, and current power plant's pipeline vibration detection device vibration detection effect is poor, and work efficiency is low, is unfavorable for using widely on a large scale.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vibration detection device to solve the technical problem that the pipeline vibration detection effect that exists is poor among the prior art, work efficiency is low.
The utility model provides a vibration detection device for carrying out vibration detection on a power plant pipeline, which comprises a light emitting component and a light receiving component;
the light emitting assembly comprises a first body and a light emitting piece fixedly arranged on the first body, and the first body can be fixed on a pipeline to be detected;
the light receiving assembly comprises a second body and a light receiving part arranged on the second body, the light receiving part is connected with the second body through a first elastic part, and the second body can be fixed on a pipeline to be tested;
the light emitting member is capable of irradiating light to the light receiving member.
Furthermore, in the light emitting assembly, the first body is provided with a U-shaped seat, and the opening degree of the U-shaped seat can be adjusted so as to clamp or loosen a pipeline to be tested; the light emitting piece is fixedly arranged at the opening position of the U-shaped seat.
Further, among the light emission component, U type seat includes first arc splint and second arc splint, the lower extreme of first arc splint with the lower extreme of second arc is connected through first link mechanism, the upper end of first arc splint with the upper end of second arc splint sets up relatively and forms the opening of U type seat, the upper end of first arc splint with the upper end of second arc splint is provided with and is used for adjusting the opening degree's of U type seat opening regulation structure.
Further, the opening adjusting structure comprises a screw rod, a first threaded hole arranged at the upper end of the first arc-shaped clamping plate and a second threaded hole arranged at the upper end of the second arc-shaped clamping plate, and the first threaded hole and the second threaded hole are coaxial and have opposite rotation directions; one end of the screw rod is provided with a first thread section matched with the first threaded hole and a second thread section matched with the second threaded hole.
Further, the first connecting rod mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to one end of the second connecting rod, the other end of the first connecting rod is hinged to the lower end portion of the first arc-shaped clamping plate, and the other end of the second connecting rod is hinged to the lower end portion of the second arc-shaped clamping plate.
And/or, the first arc splint with the inside of second arc splint all sets firmly the arc backing plate, arc backing plate protrusion in corresponding first arc splint or second arc splint.
Further, in the light receiving assembly, the second body includes a first supporting seat and a second supporting seat which are detachably and fixedly connected, the first supporting seat has a first arc-shaped through groove, the second supporting seat has a second arc-shaped through groove, and the first arc-shaped through groove and the second arc-shaped through groove together form a pipeline through groove for passing through and clamping a pipeline to be tested;
the light receiving part is arranged above the first supporting seat, and the first elastic parts are arranged in the first supporting seat and between the light receiving part at intervals.
Furthermore, in the light receiving assembly, the light receiving element includes a light receiving screen, a screen supporting seat, a bottom plate and a column, the column has at least two columns and is fixedly arranged on the upper end surface of the bottom plate at intervals, and the bottom plate is arranged on the first supporting seat through the first elastic element;
the light receiving screen is connected with the screen supporting seat and can move relative to the screen supporting seat; the screen supporting seat is connected with the upright post through a second elastic piece.
Further, among the light receiving module, the stand has two, is first stand and second stand respectively, four corners of screen supporting seat, wherein two adjacent corners with first stand passes through the second elastic component and connects, two adjacent corners in addition with the second stand passes through the second elastic component and connects.
Further, among the light receiving component, the screen supporting seat has set firmly the guide bar, the guide bar air pocket cover has the sliding sleeve, the sliding sleeve with be provided with the locating part that is used for injecing both relative positions between the guide bar, the sliding sleeve with connect through second link mechanism between the light receiving screen.
Further, the second link mechanism comprises a first convex arm, a second convex arm and a third link, one end of the third link is rotatably connected to the first convex arm, the other end of the third link is rotatably connected to the second convex arm, the first convex arm is fixedly arranged on the sliding sleeve, and the second convex arm is connected to the light receiving screen;
and limiting structures for limiting the relative positions of the corresponding convex arms and the connecting rods are arranged between the first convex arm and the third connecting rod and between the third connecting rod and the second convex arm.
The utility model provides a vibration detection device has following technological effect:
before the vibration detection device provided by the utility model is used for carrying out vibration detection on the pipeline to be detected of the power plant, the first body and the second body are respectively and fixedly arranged on the pipeline to be detected, and the light emitted by the light emitting element irradiates the corresponding area of the light receiving element; during detection, the light emitting piece is fixed on the first body, and the first body and the light emitting piece are driven to synchronously vibrate by vibration of the pipeline to be detected; the pipe vibration that awaits measuring drives the synchronous vibration of second body, because light receiving part connects in the second body through first elastic component, have the characteristic that the elastic deformation energy-absorbing cushioning effect takes place for the atress based on first elastic component, the second body first transmits the vibration to first elastic component, namely first elastic component can absorb part or even whole second body and transmit the vibration for it, and furthermore based on the inertial action of light receiving part, light receiving part will receive part second body vibration influence even not totally by second body vibration influence, then light receiving part will take place the vibration that is obviously weaker than the second body even not take place the vibration, thereby realize that the light transmitting part launched shines the facula of the corresponding region of light receiving part and take place relative rocking, carry out vibration detection to the pipe that awaits measuring from this, the detection result is very easy to obtain, detection efficiency is very obvious, the result is easy to obtain, Detection efficiency is high, in this detection device promptly, only need set up first body, second body, light transmitting member and light receiving member on the pipeline that awaits measuring and can realize detecting the vibration of the pipeline that awaits measuring, have simple structure, detection effect is good, advantage that work efficiency is high.
Drawings
Fig. 1 is a schematic view of a first-view perspective structure of a vibration detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a second perspective three-dimensional structure of the vibration detection apparatus according to the embodiment of the present invention;
fig. 3 is a schematic perspective view of a light emitting module of a vibration detecting apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view of a first three-dimensional structure of a light receiving assembly of a vibration detection apparatus according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a second three-dimensional structure of a light receiving assembly of the vibration detection apparatus according to the embodiment of the present invention;
fig. 6 is a partially enlarged schematic view of a portion a of fig. 5.
Description of reference numerals:
010-a pipeline to be tested;
100-a light emitting assembly;
110-a first body;
111-a first arcuate splint; 1111-a first threaded hole;
112-a second arc splint; 1121 — a second threaded hole;
113-a first linkage; 1131 — a first link; 1132 — a second link;
114-an opening adjustment structure;
1140-a screw; 1141-a first thread segment; 1142-a second thread segment;
115-arc shim plate;
120-a light emitting member;
200-a light receiving component;
210-a second body;
211-a first support; 2111-first arcuate through slot;
212-a second support seat; 2121-a second arc-shaped through groove;
220-a light receiving element;
221-a light receiving screen; 222-a screen support; 223-a backplane;
224-upright post; 2241-a first column; 2242-a second column;
225-a second resilient member;
226-a guide bar; 227-sliding sleeves; 228-a stop;
229-a second linkage; 2291-first, 2292-second protruding arm; 2293-third link;
230-first elastic member.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present embodiment provides a vibration detection apparatus for vibration detection of a power plant pipeline, which includes a light emitting module 100 and a light receiving module 200, as shown in fig. 1 to 6.
The light emitting assembly 100 includes a first body 110 and a light emitting member 120 fixedly disposed on the first body 110, and the first body 110 can be fixed to the pipe 010 to be tested.
The light receiving assembly 200 includes a second body 210 and a light receiving element 220 mounted on the second body 210, the light receiving element 220 is connected to the second body 210 through a first elastic element 230, and the second body 210 can be fixed to the pipe 010 to be tested.
The light emitting member 120 can irradiate light to the light receiving member 220.
Before vibration detection is performed on a pipeline to be detected of a power plant by using the vibration detection device provided by the embodiment, the first body and the second body are respectively and fixedly installed on the pipeline to be detected, and light rays emitted by the light emitting element irradiate corresponding areas of the light receiving element; during detection, the light emitting piece is fixed on the first body, and the first body and the light emitting piece are driven to synchronously vibrate by vibration of the pipeline to be detected; the pipe vibration that awaits measuring drives the synchronous vibration of second body, because light receiving part connects in the second body through first elastic component, have the characteristic that the elastic deformation energy-absorbing cushioning effect takes place for the atress based on first elastic component, the second body first transmits the vibration to first elastic component, namely first elastic component can absorb part or even whole second body and transmit the vibration for it, and furthermore based on the inertial action of light receiving part, light receiving part will receive part second body vibration influence even not totally by second body vibration influence, then light receiving part will take place the vibration that is obviously weaker than the second body even not take place the vibration, thereby realize that the light transmitting part launched shines the facula of the corresponding region of light receiving part and take place relative rocking, carry out vibration detection to the pipe that awaits measuring from this, the detection result is very easy to obtain, detection efficiency is very obvious, the result is easy to obtain, Detection efficiency is high, in this detection device promptly, only need set up first body, second body, light transmitting member and light receiving member on the pipeline that awaits measuring and can realize detecting the vibration of the pipeline that awaits measuring, have simple structure, detection effect is good, advantage that work efficiency is high.
In the present embodiment, as shown in fig. 1 to 3, in the optical transmission assembly 100, the first body 110 has a U-shaped seat, and the opening degree of the U-shaped seat can be adjusted to clamp or loosen the pipe 010 to be tested; the light emitting member 120 is fixedly disposed at the opening of the U-shaped seat.
Specifically, as shown in fig. 1, in the light emitting module 100, the U-shaped seat includes a first arc-shaped clamping plate 111 and a second arc-shaped clamping plate 112, a lower end of the first arc-shaped clamping plate 111 is connected with a lower end of the second arc-shaped clamping plate 112 through a first link mechanism 113, an opening of the U-shaped seat is formed by the upper end of the first arc-shaped clamping plate 111 and the upper end of the second arc-shaped clamping plate 112 which are arranged oppositely, and an opening adjusting structure 114 for adjusting the opening degree of the U-shaped seat is arranged at the upper end of the first arc-shaped clamping plate 111 and the upper end of the second arc-shaped clamping plate 112.
As shown in fig. 1-3, the opening adjusting structure 114 includes a screw 1140, a first threaded hole 1111 disposed at an upper end of the first arc-shaped clamp plate 111, and a second threaded hole 1121 disposed at an upper end of the second arc-shaped clamp plate 112, wherein the first threaded hole 1111 and the second threaded hole 1121 are coaxial and have opposite rotation directions; one end of the screw 1140 has a first threaded section 1141 mating with the first threaded hole 1111 and a second threaded section 1142 mating with the second threaded hole 1121.
As shown in fig. 1 to 3, the first link mechanism 113 includes a first link 1131 and a second link 1132, one end of the first link 1131 is hinged to one end of the second link 1132, the other end of the first link 1131 is hinged to the lower end portion of the first arc clamp 111, and the other end of the second link 1132 is hinged to the lower end portion of the second arc clamp 112.
Referring to fig. 1 to fig. 3, in the present embodiment, an arc-shaped backing plate 115 is fixedly disposed inside each of the first arc-shaped clamping plate 111 and the second arc-shaped clamping plate 112, and the arc-shaped backing plate 115 protrudes from the corresponding first arc-shaped clamping plate 111 and the corresponding second arc-shaped clamping plate 112.
In this embodiment, before detection, adjust the screw 1140 of structure 114 through the rotating opening, because first screw section 1141 and second screw section 1142 revolve to opposite directions, first screw hole 1111 and second screw hole 1121 revolve to opposite directions, the opening position of the upper end of first arc splint 111 and the opening position of the upper end of second arc splint 112 will move in opposite directions or in opposite directions, with this adjustment of accomplishing the U-shaped seat opening degree, adjust the opening greatly earlier, and penetrate the pipeline to be measured to the U-shaped inslot of U-shaped seat, then turn down the opening, press from both sides the pipeline to be measured tightly, accomplish the fixed mounting of optical emission subassembly, have the convenient advantage of dismouting.
In this embodiment, the opening of the upper end of the first arc-shaped clamp plate 111 and the opening of the upper end of the second arc-shaped clamp plate 112 have protrusions for mounting the light emitting element 120, and the light emitting element 120 can be fixed on the protrusions by clamping or fastening, wherein the light emitting element 120 can adjust its pitch angle and horizontal rotation angle to adjust the light of the light emitting element 120 to the corresponding area of the light receiving element 220 quickly and accurately.
In this embodiment, as shown in fig. 1 to 3, a handle is provided at one end of the screw 1140 to facilitate the operation of the screw 1140.
In this embodiment, as shown in fig. 1-2 and 4-6, in the light receiving assembly 200, the second body 210 includes a first supporting seat 211 and a second supporting seat 212 that are detachably and fixedly connected, the first supporting seat 211 has a first arc-shaped through slot 2111, the second supporting seat 212 has a second arc-shaped through slot 2121, and the first arc-shaped through slot 2111 and the second arc-shaped through slot 2121 together form a conduit through slot for passing through and clamping the conduit 010 to be tested. Specifically, as shown in fig. 4, the first supporting seat 211 is a rectangular parallelepiped structure, the right end portion thereof has a first arc-shaped through slot 2111 recessed leftward, and the left side portion thereof has a larger volume for supporting corresponding components of the light receiving assembly 220 above the first supporting seat; the second support seat 212 is an arc-shaped shell structure, and a second arc-shaped through groove 2121 is formed on the inner surface of the second support seat; the upper end portions of the first arc-shaped through groove 2111 and the second arc-shaped through groove 2121 are provided with an upper connecting structure protruding upwards, the lower end portions of the first arc-shaped through groove 2111 and the second arc-shaped through groove 2121 are provided with a lower connecting structure connected downwards, and the upper connecting structure and the lower connecting structure are fixedly connected through fasteners (bolts, screws, studs, nuts, gaskets and the like) so as to clamp a pipeline to be tested, and the installation of the second body 210 is completed.
As shown in fig. 4, the light receiving element 220 is mounted above the first supporting seat 211, and a plurality of first elastic elements 230 are arranged between the first supporting seat 211 and the light receiving element 220 at intervals. Specifically, the first elastic member 230 is a cylindrical spring, and 4 springs are shown in the figure and are uniformly distributed at four corner positions of the upper end surface of the first supporting seat 211, so as to realize uniform stress. For the number of springs, 3, 5, and 6 springs may be provided, which is not limited herein. The setting of spring can play buffering damping's effect, reduces and avoids the light reception assembly of first supporting seat 211 top to receive the influence of the pipeline vibration that awaits measuring even.
In this embodiment, as shown in fig. 4, specifically, in the light receiving assembly 200, the light receiving element 220 includes a light receiving screen 221, a screen supporting seat 222, a bottom plate 223 and a pillar 224, the pillar 224 has at least two upper end surfaces that are fixed on the bottom plate 223 at intervals, and the bottom plate 223 is disposed on the first supporting seat 211 through a first elastic element 230. The bottom plate 223 and the upright post 224 can be fixed by welding or fixedly connected and integrated by threads, so as to ensure the connection stability between the two.
The light receiving screen 221 is connected to the screen support base 222 and can move relative to the screen support base 222; the screen support base 222 is connected to the post 224 by a second elastic member 225. Specifically, the second elastic element 225 is a hook-shaped cylindrical spring with two ends, which can reduce or even avoid the vibration influence between the upright post 224 and the screen support seat 222, thereby further reducing or even eliminating the influence of the vibration of the pipeline to be detected on the light receiving screen 221, ensuring the position stability of the light receiving screen 221 as much as possible, and ensuring the accuracy of the vibration detection result.
In this embodiment, in the light receiving module 200, two of the two upright posts 224 are respectively a first upright post 2241 and a second upright post 2242, and four corners of the screen support base 222 are connected to the first upright post 2241 through the second elastic member 225, and the other two adjacent corners are connected to the second upright post 2242 through the second elastic member 225. So set up, the even relevant position in stand 224 that passes through spring coupling that will be used for four corners of screen supporting seat 222 of erection bracing light-receiving screen 221, further guarantee light-receiving screen 221's positional stability, guarantee the accuracy of vibration testing result.
In this embodiment, as shown in fig. 6, in the light receiving module 200, the screen support 222 is fixedly provided with a guide rod 226, the guide rod 226 is sleeved with a sliding sleeve 227, a limiting member 228 for limiting the relative position between the sliding sleeve 227 and the guide rod 226 is disposed between the sliding sleeve 227 and the guide rod 226, and the sliding sleeve 227 and the light receiving screen 221 are connected by a second link mechanism 229. The sliding sleeve 227 can slide up and down along the periphery of the guide rod 226, so that the up-and-down position adjustment of the light receiving screen 221 is realized, two light receiving screens 221 and two sliding sleeves are arranged, after the relative position between the sliding sleeve 227 and the guide rod 226 is adjusted in place, the sliding sleeve 227 can be prevented from moving up and down through the fixed limiting piece 228, and a guide rail/guide block structure can be arranged between the inner wall of the sliding sleeve 227 and the outer wall of the guide rod 226 to prevent the sliding sleeve 227 and the guide rod 226 from rotating relatively. Of course, other structures can be adopted, such as a threaded hole arranged on the sliding sleeve and a jackscrew arranged in the threaded hole.
Specifically, the second link mechanism 229 includes a first protruding arm 2291, a second protruding arm 2292, and a third link 2293, one end of the third link 2293 is rotatably connected to the first protruding arm 2291, the other end is rotatably connected to the second protruding arm 2292, the first protruding arm 2291 is fixedly disposed on the sliding sleeve 227, and the second protruding arm 2292 is connected to the light receiving screen 221. The sliding sleeve 227 can slide up and down to adjust the height position of the light receiving screen 221, the second link mechanism 229 can adjust the horizontal position and the rotation angle of the light receiving screen 221, push the light receiving screen 221, between the first convex arm 2291 and the third connecting rod 2293, and between the third connecting rod 2293 and the second convex arm 2292, so as to realize the horizontal position and the angle adjustment of the light receiving screen 221, after the position adjustment is in place, the limit structure between the first convex arm 2291 and the third connecting rod 2293, and between the third connecting rod 2293 and the second convex arm 2292 limits the relative position of the corresponding convex arm and the connecting rod. The light receiving screen 221 and the second protruding arm 2292 may be fixedly connected or rotatably connected to adjust the pitch angle of the light receiving screen 221, and it should be noted that, after the adjustment is completed, the relative position between the light receiving screen 221 and the second protruding arm needs to be fixed to ensure the position stability of the light receiving screen 221 in the detection process.
Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A vibration detection device for vibration detection of a power plant pipeline, the vibration detection device comprising a light emitting component (100) and a light receiving component (200);
the light emitting assembly (100) comprises a first body (110) and a light emitting piece (120) fixedly arranged on the first body (110), and the first body (110) can be fixed on a pipeline (010) to be tested;
the light receiving assembly (200) comprises a second body (210) and a light receiving element (220) mounted on the second body (210), the light receiving element (220) is connected with the second body (210) through a first elastic piece (230), and the second body (210) can be fixed on a pipeline (010) to be tested;
the light emitting element (120) can irradiate light to the light receiving element (220).
2. The vibration detection device according to claim 1, wherein in the light emitting assembly (100), the first body (110) has a U-shaped seat, the opening degree of which is adjustable to clamp or unclamp the pipe (010) to be tested; the light emitting piece (120) is fixedly arranged at the opening position of the U-shaped seat.
3. The vibration detection device according to claim 2, wherein in the light emitting module (100), the U-shaped seat comprises a first arc-shaped clamp plate (111) and a second arc-shaped clamp plate (112), a lower end of the first arc-shaped clamp plate (111) is connected with a lower end of the second arc-shaped clamp plate (112) through a first link mechanism (113), an upper end of the first arc-shaped clamp plate (111) is opposite to an upper end of the second arc-shaped clamp plate (112) to form an opening of the U-shaped seat, and an opening adjusting structure (114) for adjusting the opening degree of the U-shaped seat is arranged at the upper end of the first arc-shaped clamp plate (111) and the upper end of the second arc-shaped clamp plate (112).
4. The vibration detecting apparatus according to claim 3, wherein the opening adjusting structure (114) comprises a screw (1140), a first threaded hole (1111) provided at an upper end of the first arc-shaped clamp plate (111), and a second threaded hole (1121) provided at an upper end of the second arc-shaped clamp plate (112), the first threaded hole (1111) and the second threaded hole (1121) being coaxial and having opposite rotation directions; one end of the screw (1140) is provided with a first thread section (1141) matched with the first threaded hole (1111) and a second thread section (1142) matched with the second threaded hole (1121).
5. The vibration detecting apparatus according to claim 3, wherein the first link mechanism (113) includes a first link (1131) and a second link (1132), one end of the first link (1131) is hinged to one end of the second link (1132), the other end of the first link (1131) is hinged to a lower end portion of the first arc-shaped clamp plate (111), and the other end of the second link (1132) is hinged to a lower end portion of the second arc-shaped clamp plate (112);
and/or arc-shaped base plates (115) are fixedly arranged in the first arc-shaped clamping plate (111) and the second arc-shaped clamping plate (112), and the arc-shaped base plates (115) protrude out of the corresponding first arc-shaped clamping plate (111) or the corresponding second arc-shaped clamping plate (112).
6. The vibration detection device according to any one of claims 1 to 5, wherein in the light receiving assembly (200), the second body (210) comprises a first supporting seat (211) and a second supporting seat (212) which are detachably and fixedly connected, the first supporting seat (211) has a first arc-shaped through groove (2111), the second supporting seat (212) has a second arc-shaped through groove (2121), and the first arc-shaped through groove (2111) and the second arc-shaped through groove (2121) jointly form a pipeline through groove for passing through and clamping a pipeline (010) to be detected;
the light receiving element (220) is mounted above the first supporting seat (211), and the first elastic element (230) is arranged between the first supporting seat (211) and the light receiving element (220) at intervals.
7. The vibration detecting device according to claim 6, wherein in the light receiving assembly (200), the light receiving element (220) comprises a light receiving screen (221), a screen supporting seat (222), a bottom plate (223) and a column (224), the column (224) has at least two upper end faces fixed on the bottom plate (223) at intervals, and the bottom plate (223) is arranged on the first supporting seat (211) through the first elastic member (230);
the light receiving screen (221) is connected to the screen support base (222) and can move relative to the screen support base (222); the screen supporting seat (222) is connected with the upright post (224) through a second elastic piece (225).
8. The vibration detecting apparatus according to claim 7, wherein in the light receiving module (200), the two columns (224) are a first column (2241) and a second column (2242), and four corners of the screen support base (222) are connected to the first column (2241) through the second elastic member (225), and two adjacent corners of the screen support base are connected to the second column (2242) through the second elastic member (225).
9. The vibration detecting device according to claim 8, wherein in the light receiving module (200), the screen support base (222) is fixedly provided with a guide rod (226), the guide rod (226) is sleeved with a sliding sleeve (227), a limiting member (228) for limiting the relative position of the sliding sleeve (227) and the guide rod (226) is arranged between the sliding sleeve (227) and the guide rod, and the sliding sleeve (227) and the light receiving screen (221) are connected by a second link mechanism (229).
10. The vibration detecting device according to claim 9, wherein the second link mechanism (229) includes a first convex arm (2291), a second convex arm (2292), and a third link (2293), one end of the third link (2293) is rotatably connected to the first convex arm (2291), the other end is rotatably connected to the second convex arm (2292), the first convex arm (2291) is fixedly provided to the slide sleeve (227), and the second convex arm (2292) is connected to the light receiving screen (221);
and limiting structures for limiting the relative positions of the corresponding convex arms and the connecting rods are arranged between the first convex arm (2291) and the third connecting rod (2293) and between the third connecting rod (2293) and the second convex arm (2292).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776022.0U CN213714535U (en) | 2020-11-26 | 2020-11-26 | Vibration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776022.0U CN213714535U (en) | 2020-11-26 | 2020-11-26 | Vibration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213714535U true CN213714535U (en) | 2021-07-16 |
Family
ID=76785165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022776022.0U Expired - Fee Related CN213714535U (en) | 2020-11-26 | 2020-11-26 | Vibration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213714535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928823A (en) * | 2021-12-16 | 2022-01-14 | 菏泽双龙冶金机械有限公司 | Working vibration detection device of scraper conveyor |
| CN116202614A (en) * | 2023-03-03 | 2023-06-02 | 国网吉林省电力有限公司电力科学研究院 | Transformer vibration detection system and detection method |
-
2020
- 2020-11-26 CN CN202022776022.0U patent/CN213714535U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928823A (en) * | 2021-12-16 | 2022-01-14 | 菏泽双龙冶金机械有限公司 | Working vibration detection device of scraper conveyor |
| CN113928823B (en) * | 2021-12-16 | 2022-03-08 | 菏泽双龙冶金机械有限公司 | Working vibration detection device of scraper conveyor |
| CN116202614A (en) * | 2023-03-03 | 2023-06-02 | 国网吉林省电力有限公司电力科学研究院 | Transformer vibration detection system and detection method |
| CN116202614B (en) * | 2023-03-03 | 2023-08-08 | 国网吉林省电力有限公司电力科学研究院 | Transformer vibration detection system and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213714535U (en) | Vibration detection device | |
| CN111336317A (en) | Construction method for erecting petroleum and natural gas pipeline | |
| CN202498323U (en) | Panel positioning device used for space welding | |
| CN106584071B (en) | A kind of device being installed on a heat sink hose interference | |
| CN111457187A (en) | Pipeline vibration damper and configuration method thereof | |
| CN109454382A (en) | The universal group of weldering positioning device for a variety of side wall skeletons | |
| CN109813495B (en) | Mass center deflection angle measuring device for generator quality qualification inspection | |
| CN210050448U (en) | Antidetonation support convenient to installation | |
| CN216896131U (en) | Pipeline positioning and mounting equipment for municipal gas engineering | |
| CN220396743U (en) | Road construction pipeline laying device for municipal construction | |
| CN219221462U (en) | Fixed pipeline equipment in production workshop | |
| JP2004270751A (en) | Piping structure for base isolation structure | |
| CN216717685U (en) | Instrument and meter detection device | |
| CN218000692U (en) | Detachable pipeline bracket | |
| CN219035788U (en) | Shock attenuation connecting device for pipeline | |
| CN114812998A (en) | High-precision test platform for high-pressure quick fluid connector | |
| CN215639636U (en) | Device for installing flowmeter on municipal drainage pipeline | |
| CN219639688U (en) | Pipeline fixed support module | |
| CN219082452U (en) | Supporting device between inner pipelines of underground pipe gallery | |
| CN216520009U (en) | Anti-vibration pipe support for pipeline | |
| CN220729900U (en) | Welding type flowmeter casing water pressure testing device | |
| CN216029582U (en) | Clamping support and equipment | |
| CN213121039U (en) | Fluid test bench end connection structure | |
| CN220470376U (en) | Pressure detection device for hydraulic system | |
| CN220612890U (en) | Auxiliary assembly welding device |
Legal Events
| 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: 20210716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |