CN221039102U - Signal acquisition device - Google Patents
Signal acquisition device Download PDFInfo
- Publication number
- CN221039102U CN221039102U CN202321136178.XU CN202321136178U CN221039102U CN 221039102 U CN221039102 U CN 221039102U CN 202321136178 U CN202321136178 U CN 202321136178U CN 221039102 U CN221039102 U CN 221039102U
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- China
- Prior art keywords
- connecting rod
- signal
- movable contact
- signal transmission
- transition connecting
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Links
- 230000007704 transition Effects 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000008054 signal transmission Effects 0.000 claims abstract description 38
- 230000003139 buffering effect Effects 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 5
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a signal acquisition device, which is characterized in that a sealing gland, a sealing gasket, a fixed limit baffle and a buffer rubber ring are sequentially arranged at two ends of a shell of a sliding type buffer damping device to respectively fix an upper end plate of a signal transmission rod and a lower end plate of a transition connecting rod, and a tensioning spring is arranged between the upper end plate of the signal transmission rod and the lower end plate of the transition connecting rod; the lower end of the movable contact connecting rod is provided with a movable contact connecting rod panel, and the upper part of the movable contact connecting rod is connected with an elastic reset spring; the panel of the transition connecting rod and the panel of the movable contact connecting rod are in surface-to-surface contact; the upper middle part of the signal cavity shell is provided with a first fixed contact, a movable contact and a second fixed contact, and the movable contact is connected with a movable contact connecting rod. The signal sampling plate transmits signals to the signal contacts through the signal transmission rod and the sliding type buffering damping device, the angle change of the transition connecting rod panel drives the contact connecting rod panel to displace, and the movable contact is driven to act, so that two groups of accurate switch signals are timely provided for operation equipment.
Description
Technical Field
The utility model belongs to the technical field of signal acquisition, and particularly relates to a signal acquisition device for material flow.
Background
In industries such as a coal conveying system of a thermal power plant, a raw material conveying system such as powder or granular materials of a chemical plant and the like, a material flow signal acquisition device is often used. In the material flow signal detection device in the prior art, the signal plate is used for carrying out signal transmission through the rigid transmission shaft, so that the stability of signals is poor, if the collection tightness can not meet the requirements of signals in a wet or dust large space, the rigid transmission shaft is easy to clamp, and the phenomenon of signal false emission occurs.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a signal acquisition device which can stably transmit signals, has simple design and is convenient to install and use.
The utility model is characterized in that: the device comprises a signal sampling plate, a signal transmission rod, a sliding type buffering and damping device, a transition connecting rod, a movable contact connecting rod, an elastic reset spring, a first sealing device, a signal cavity shell, a first fixed contact, a movable contact and a second fixed contact; the signal sampling plate is connected with the signal transmission rod; the upper end part of the signal transmission rod is provided with an upper end plate of the signal transmission rod, the section of which is slightly larger than that of the signal transmission rod; the upper end part of the transition connecting rod is provided with a transition connecting rod panel, and the lower end part of the transition connecting rod is provided with a transition connecting rod lower end plate with a section slightly larger than that of the transition connecting rod; the sliding type buffering and damping device comprises a sealing gland, a sealing gasket, a fixed limit baffle, a buffering rubber ring, a shell and a tensioning spring; the two ends of the shell are respectively fixed with an upper end plate of the signal transmission rod and a lower end plate of the transition connecting rod through a sealing gland, a sealing gasket, a fixed limit baffle and a buffer rubber ring in sequence, and a tensioning spring is arranged between the upper end plate of the signal transmission rod and the lower end plate of the transition connecting rod; the lower end of the movable contact connecting rod is provided with a movable contact connecting rod panel, the upper part of the movable contact connecting rod is connected with an elastic reset spring, and the elastic reset spring is fixed on the inner wall of the upper part of the signal cavity shell; the transition connecting rod panel and the movable contact connecting rod panel are fixed in the first sealing device, and are in surface-to-surface contact when the end surface of the signal transmission rod returns to the horizontal position; the first sealing device comprises a sealing cavity for sliding the contact connecting rod and a soft seal for swinging the transition connecting rod; the first fixed contact, the movable contact and the second fixed contact are arranged at the middle upper part of the signal cavity shell, and the movable contact is connected with the movable contact connecting rod.
According to the technical scheme, the utility model has the following beneficial effects: the signal sampling plate transmits signals to the signal contacts of the signal cavity through the signal transmission rod and the sliding type buffering and damping device, the signal transmission rod drives the transition connecting rod to swing after buffering and damping, the angle change of the transition connecting rod panel drives the contact connecting rod panel to displace, the movable contact is driven to move up and down through the movable contact connecting rod, the normally closed contact is separated, the normally open contact is closed, two groups of switching signals are provided for operation equipment through the closing and separating of the movable contact and two groups of fixed contacts, accurate signals for coal breaking are provided for coal conveying systems, coal feeders and the like of a thermal power plant in time, and the signal sampling plate can also be used for providing accurate signals in time when particles and powdery materials in industries such as chemical industry, smelting and food are conveyed, and when the material breaking occurs; the sliding type buffering and damping device can ensure the stability of signals; the device has the characteristics of simple design, small volume, stable signal, low failure rate, convenient field installation, wide application range and the like.
Drawings
Fig. 1 is a schematic diagram of the structure of the signal sampling plate in a stationary state according to the present utility model.
Fig. 2 is a schematic diagram of the signal sampling board according to the present utility model.
Fig. 3 is a schematic structural view of the sliding type buffering vibration damper of the present utility model.
In the figure, a signal sampling plate, a signal transmission rod, a sliding buffer shock absorption device, a transition connecting rod, a movable contact connecting rod, a spring return spring, a first sealing device, a second sealing device, a signal cavity shell, a fixed flange, a fixed contact, a movable contact and a fixed contact are respectively arranged in sequence, wherein the signal sampling plate, the signal transmission rod, the sliding buffer shock absorption device, the transition connecting rod, the movable contact connecting rod, the spring return spring and the fixed contact are respectively arranged in sequence, the first sealing device, the second sealing device and the signal cavity shell, the fixed flange and the fixed flange are respectively arranged in sequence, and the fixed contact is respectively arranged in sequence, the fixed contact and the fixed contact.
201. Signal transmission rod upper end plate 221, transition connecting rod panel 222, transition connecting rod lower end plate;
231. a movable contact link panel 401;
301. sealing the cavity 302;
211 sealing gland, 212 sealing gasket, 213 fixed baffle, 214 buffer rubber ring, 215, casing, 216 tensioning spring.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the present utility model includes a signal sampling plate 10, a signal transmission rod 20, a sliding type buffering and damping device 21, a transition connecting rod 22, a movable contact connecting rod 23, an elastic return spring 24, a first sealing device 30, a second sealing device 31, a signal cavity housing 40, a first fixed contact 50, a movable contact 60, a second fixed contact 70, and the like.
The signal cavity shell 40 is connected with the fixing flange 41, so that the signal cavity shell can be fixed on equipment to be installed and can be installed in a sealing mode.
The sampling plate 10 is made of an ultra-high molecular polyethylene plate, so that vibration generated by material fluctuation can be reduced.
The signal sampling plate 10 is connected with a signal transmission rod 20, and the upper end part of the signal transmission rod 20 is provided with a signal transmission rod upper end plate 201 with a section slightly larger than that of the signal transmission rod 20. The upper end of the transition connecting rod 22 is provided with a transition connecting rod panel 221, and the lower end is provided with a transition connecting rod lower end plate 222 with a section slightly larger than that of the transition connecting rod 22.
As shown in fig. 3, the sliding type buffering and damping device 21 comprises a sealing gland 211, a sealing gasket 212, a fixed limit baffle 213, a buffering rubber ring 214, a shell 215 and a tensioning spring 216. The two ends of the shell 215 are respectively fixed with an upper end plate 201 of the signal transmission rod and a lower end plate 222 of the transition connecting rod through a sealing gland 211, a sealing gasket 212, a fixed limit baffle 213 and a buffer rubber ring 214, and a tensioning spring 216 is arranged between the upper end plate 201 of the signal transmission rod and the lower end plate 222 of the transition connecting rod. In this way, the signal transmission rod 20 is connected with the transition connecting rod 22 through the sliding type buffering and damping device 21. The sliding type buffering and damping device 21 can ensure the stability of signal transmission, is designed without a rotating shaft, and cannot cause the phenomenon of false signal generation caused by jamming.
The lower end of the movable contact link 23 is provided with a movable contact link panel 231, the upper part is connected with an elastic return spring 24, and the elastic return spring 24 is fixed on the upper inner wall of the signal cavity shell 40. The signal cavity 401 is located inside the signal cavity housing 40.
The transition link panel 221 and the movable contact link panel 231 are fixed in the first sealing device 30, and when the end surface of the signal transmission rod 20 returns to the horizontal position, the transition link panel 221 and the movable contact link panel 231 are in surface-to-surface contact. The first sealing device 30 comprises a sealing cavity 301 and a soft seal 302, wherein the sealing cavity 301 is used for sliding the contact connecting rod 23, and the soft seal 302 is used for swinging the transition connecting rod 22, so that the sealing of the signal cavity shell 40 is ensured.
The first fixed contact 50, the movable contact 60 and the second fixed contact 70 are disposed at the middle upper portion of the signal chamber 401 of the signal chamber housing 40. The movable contact 60 is connected to the movable contact link 23. When the signal board 10 is free of materials, the first fixed contact 50 is closed with the movable contact 60, the contacts are normally closed contacts, the other set of second fixed contacts 70 are open contacts, and two sets of acquisition signals are provided for running equipment according to different requirements.
The material is more and less in the operation of the coal conveying system equipment, so that the angle of the signal transmission rod 20 is neglected, the signal of the sampling plate 10 can be stably transmitted to the movable contact connecting rod 23 in the signal cavity 401 through the sliding type damping buffer device 21, and two groups of contacts send out two groups of switching signals with different requirements.
As shown in fig. 2, the signal sampling board 10 acts to drive the signal transmission rod 20, and is transmitted to the transition connecting rod 22 through the sliding type buffering and damping device 21, the angle of the transition connecting rod panel 221 at the end part of the transition connecting rod 22 changes to enable the movable contact connecting rod 23 to move upwards, the position of the movable contact connecting rod 23 changes to enable the first fixed contact 50 to be separated from the movable contact 60, the second fixed contact 70 is closed with the movable contact 60, the normally closed first fixed contact 50 is changed into a normally open state, the normally open second fixed contact 70 is changed into a normally closed state, and a material flow signal is transmitted to required equipment through a signal wire. Two sets of signals may be delivered simultaneously.
When the machine is stopped or the material is broken, the end face of the signal transmission rod 22 returns to the horizontal position, the elastic reset spring 24 moves the movable contact transmission rod 23 downwards to reset, the first fixed contact 50 is restored to the normally closed state, and the second fixed contact 70 is restored to the normally open state, so that two switching signals for material flow can be provided for running equipment.
The sealing device is soft sealing, such as rubber and the like. The first sealing means 30 isolates the logistics flow space from the signal chamber 401 from dust and moisture. The second sealing device 31 seals the external space of the signal line, isolates the signal cavity 401 from the external environment, and can prevent dust or moisture from entering the signal cavity 401, thereby meeting the use requirements of different environments. The two sealing devices ensure the drying and cleaning in the signal cavity 401, so that the false emission of signals and the damage of equipment can be reduced, and the service life of the equipment can be prolonged.
Claims (3)
1. A signal acquisition device, characterized in that: the device comprises a signal sampling plate (10), a signal transmission rod (20), a sliding type buffering and damping device (21), a transition connecting rod (22), a movable contact connecting rod (23), an elastic reset spring (24), a first sealing device (30), a signal cavity shell (40), a first fixed contact (50), a movable contact (60) and a second fixed contact (70); the signal sampling plate (10) is connected with a signal transmission rod (20);
The upper end part of the signal transmission rod (20) is provided with an upper end plate (201) of the signal transmission rod, the section of which is slightly larger than that of the signal transmission rod (20); the upper end part of the transition connecting rod (22) is provided with a transition connecting rod panel (221), and the lower end part of the transition connecting rod is provided with a transition connecting rod lower end plate (222) with a section slightly larger than that of the transition connecting rod (22);
The sliding type buffering and damping device (21) comprises a sealing gland (211), a sealing gasket (212), a fixed limit baffle (213), a buffering rubber ring (214), a shell (215) and a tensioning spring (216); a sealing gland (211), a sealing gasket (212), a fixed limit baffle (213) and a buffer rubber ring (214) are sequentially arranged at two ends of a shell (215) to respectively fix an upper end plate (201) of a signal transmission rod and a lower end plate (222) of a transition connecting rod, and a tensioning spring (216) is arranged between the upper end plate (201) of the signal transmission rod and the lower end plate (222) of the transition connecting rod;
the lower end part of the movable contact connecting rod (23) is provided with a movable contact connecting rod panel (231), the upper part of the movable contact connecting rod is connected with an elastic reset spring (24), and the elastic reset spring (24) is fixed on the inner wall of the upper part of the signal cavity shell (40); the transition connecting rod panel (221) and the movable contact connecting rod panel (231) are fixed in the first sealing device (30), and the surfaces are contacted when the end surface of the signal transmission rod (20) returns to the horizontal position; the first sealing device (30) comprises a sealing cavity (301) for sliding the contact connecting rod (23) and a soft seal (302) for swinging the transition connecting rod (22); the first fixed contact (50), the movable contact (60) and the second fixed contact (70) are arranged at the middle upper part of a signal cavity (401) of the signal cavity shell (40), and the movable contact (60) is connected with the movable contact connecting rod (23).
2. The signal acquisition device of claim 1, wherein: the signal cavity shell (40) is connected with the fixing flange (41).
3. The signal acquisition device of claim 1, wherein: the upper part of the signal cavity shell (40) is provided with a second sealing device (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321136178.XU CN221039102U (en) | 2023-05-12 | 2023-05-12 | Signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321136178.XU CN221039102U (en) | 2023-05-12 | 2023-05-12 | Signal acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221039102U true CN221039102U (en) | 2024-05-28 |
Family
ID=91179573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321136178.XU Active CN221039102U (en) | 2023-05-12 | 2023-05-12 | Signal acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221039102U (en) |
-
2023
- 2023-05-12 CN CN202321136178.XU patent/CN221039102U/en active Active
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| GR01 | Patent grant |