CN217059350U - Portable listening rod for judging running state of mechanical equipment - Google Patents
Portable listening rod for judging running state of mechanical equipment Download PDFInfo
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- CN217059350U CN217059350U CN202220734518.8U CN202220734518U CN217059350U CN 217059350 U CN217059350 U CN 217059350U CN 202220734518 U CN202220734518 U CN 202220734518U CN 217059350 U CN217059350 U CN 217059350U
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Abstract
The utility model discloses a portable listening rod for judging the operation condition of mechanical equipment, which comprises a listening head, a telescopic rod device, a mounting seat device and a pickup head; the telescopic rod device comprises two outer tubes which are mutually sleeved and a sleeve tube component, the listening head is arranged at one end of the outer tube, and the pickup head is arranged at one end of the sleeve tube component; the mounting seat device comprises a first mounting ring body and a second mounting ring body, the first mounting ring body and the second mounting ring body are sleeved on the outer pipe and are connected with the outer wall surface of the circumference of the outer pipe in a threaded fit mode, and the first mounting ring body or the second mounting ring body rotates around the outer pipe to enable the outer pipe to be relatively close to a probe for fixing and clamping external equipment. The utility model discloses a set up the problem that the length that the telescopic link device had solved the listening stick can not be adjusted, make its portable, through setting up the probe that the centre gripping external equipment can be fixed to the mount pad device, when judging mechanical operation situation through the external equipment is supplementary, it is more convenient to use, makes the judged result more accurate.
Description
Technical Field
The utility model relates to a mechanical equipment failure diagnosis technical field especially relates to a portable listening stick for judging mechanical equipment operation conditions.
Background
The listening rod is an ideal tool for checking the operation condition of mechanical equipment, the listening rod widely used in the prior art is generally of a rod-shaped structure, and the friction sound generated by the operation equipment is heard through the solid conduction of the rod, so that whether the operation equipment has defects, and the defect parts, properties, defect types and the like can be judged.
A large amount of rotary mechanical equipment can be used in the industrial production process, daily inspection of the rotary mechanical equipment is one of important work of maintenance personnel, a sound listening rod is used for listening to the mechanical equipment in operation, and the judgment of the operation condition of a rotary mechanical bearing is an important part of the inspection of the equipment.
However, the following problems exist during on-site inspection: on-site mechanical equipment is different in size, so that required listening sticks are different in length, listening sticks with various specifications and lengths are generally required to be prepared, and the on-site inspection is quite inconvenient.
In addition, because direct solid conduction sound signal is very weak, especially in noisy environment, increases the degree of difficulty to distinguishing useful signal, can use external equipment such as vibration detector to detect the vibration of listening stick this moment to supplementary judgement machinery operation conditions can make the judged result more accurate, but current listening stick lacks the installation fixed knot of external equipment and constructs, uses very inconveniently.
In view of the above, there is a need for a portable sound stick for determining the operation status of a mechanical device to solve or at least alleviate the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a portable listening rod for judging the operation status of a mechanical device, which is not convenient for carrying and lacks the problem of the mounting and fixing structure of an external device.
In order to achieve the above object, the utility model provides a portable listening rod for judging the operating condition of mechanical equipment, which comprises a listening head, a telescopic rod device, a mounting seat device and a pickup head, wherein the mounting seat device is detachably arranged on the telescopic rod device; the telescopic rod device comprises two outer tubes and a sleeve tube assembly which are sleeved with each other, the listening head is arranged at one end of the outer tube, which is far away from the sleeve tube assembly, and the pickup head is arranged at one end of the sleeve tube assembly, which is far away from the outer tube; the mounting seat device comprises a fixing unit, the fixing unit comprises a first mounting ring body and a second mounting ring body which are oppositely arranged, the first mounting ring body is sleeved on the outer pipe and is in threaded fit connection with the outer wall surface of the circumference of the outer pipe, the second mounting ring body is sleeved on the outer pipe and is in threaded fit connection with the outer wall surface of the circumference of the outer pipe, and the first mounting ring body and/or the second mounting ring body rotate around the central axis of the outer pipe so as to enable the first mounting ring body and the second mounting ring body to be relatively close to a probe for fixing and clamping external equipment.
Preferably, the end face of the first installation ring body facing the second installation ring body is concavely provided with a groove, or the end face of the second installation ring body facing the first installation ring body is concavely provided with a groove.
Preferably, the pipe-in-pipe assembly includes a plurality of pipe-in-pipes that are in pipe-in-pipe connection with each other, and the pipe-in-pipe that is located outermost is located in the outer tube, and the innermost pipe-in-pipe end that is away from the outer tube is equipped with the sound head.
Preferably, the circumferential outer wall surface of the outer tube is provided with a first external thread, or the circumferential outer wall surface of the outer tube is provided with a second external thread and a third external thread with opposite turning directions, and the second external thread and the third external thread are sequentially arranged along the axial direction of the outer tube.
Preferably, the mount pad device further includes a placement frame assembly for accommodating an external device, the placement frame assembly includes a third mounting ring and a frame body, the third mounting ring is connected with the outer tube in a threaded fit manner, and the frame body is detachably connected with the third mounting ring.
Preferably, a handle is fixedly connected to the circumferential outer wall surface of the outer tube.
Preferably, the listening head is spherical, and the free end of the listening head is conical.
Preferably, the listening head and the pickup head are both made of metal, and the telescopic rod device is made of copper alloy.
Compared with the prior art, the utility model provides a portable listening stick for judging mechanical equipment operation conditions has following beneficial effect:
the utility model provides a portable listening stick for judging mechanical equipment operation conditions has solved the problem that the length of listening stick can not be adjusted through setting up the telescopic link device, makes its portable, through setting up the probe that the centre gripping external equipment can be fixed to the mount pad device, when judging mechanical operation conditions through the external equipment is supplementary, and it is more convenient to use to judge mechanical operation conditions in an auxiliary way, make the judged result more accurate, it is very convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a front view of a portable listening stick according to an embodiment of the present invention;
fig. 2 is an overall structural view of a portable listening stick according to an embodiment of the present invention;
fig. 3 is a partial structure diagram according to an embodiment of the present invention.
The reference numbers indicate:
a sound listening bar 100; a listening head 110; a sound pickup head 120; a handle 130;
a telescopic rod device 200; an outer tube 210; a ferrule assembly 220; a ferrule 221;
a mount device 300; a fixing unit 310; a first mounting ring body 311; a second mounting ring 312; a placement frame component 320; a third mounting ring 321; and a frame body 322.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
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 technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a portable listening rod 100 for determining an operation status of a mechanical device, including a listening head 110, a telescopic rod device 200, a mounting base device 300 and a pickup head 120, wherein the mounting base device 300 is detachably disposed on the telescopic rod device 200;
the telescopic rod device 200 comprises an outer tube 210 and a sleeve 221 assembly 220 which are sleeved with each other, the listening head 110 is arranged at one end of the outer tube 210 far away from the sleeve 221 assembly 220, and the pickup head 120 is arranged at one end of the sleeve 221 assembly 220 far away from the outer tube 210;
the mount base device 300 includes a fixing unit 310, the fixing unit 310 includes a first mounting ring 311 and a second mounting ring 312, which are oppositely disposed, the first mounting ring 311 is sleeved on the outer tube 210 and is in threaded fit with the circumferential outer wall surface of the outer tube 210, the second mounting ring 312 is sleeved on the outer tube 210 and is in threaded fit with the circumferential outer wall surface of the outer tube 210, and the first mounting ring 311 and/or the second mounting ring 312 rotate around the central axis of the outer tube 210 to relatively approach the first mounting ring 311 and the second mounting ring 312 so as to fixedly clamp a probe of an external device (not shown in the figure).
Specifically, the telescopic rod device 200 is a general telescopic mechanism, and includes two outer tubes 210 and two sleeve 221 assemblies 220 that are sleeved with each other, the number of the sleeve 221 assemblies 220 may be one or multiple, and the specific number may be selected according to actual needs; through outer tube 210 and the bell and spigot pipe 221 subassembly 220 cup joint, outer tube 210 and bell and spigot pipe 221 subassembly 220 are close to relatively or keep away from relatively and realize telescopic rod device 200's flexible effect, can carry out the regulation of length according to the actual conditions who uses, have solved the problem that the length of listening stick 100 can not be adjusted through setting up telescopic rod device 200, make its portable.
In detail, the listening head 110 and the sound pickup head 120 are respectively connected to two ends of the telescopic rod device 200, the listening head 110 is connected to one end of the outer tube 210 far away from the sleeve 221 assembly 220, the sound pickup head 120 is connected to one end of the sleeve 221 assembly 220 far away from the outer tube 210, in the using process, one end of the listening head 110 is tightly attached to one ear of the user, one end of the sound pickup head 120 contacts the detected mechanical equipment and is properly pressed, the sound of the detected mechanical equipment is transmitted to the listening head 110 through the telescopic rod device 200 and is further transmitted to the ear of the user, and the user judges the operation condition of the equipment, whether a fault exists and judges the type of the fault through listening.
It should be understood that the first mounting ring 311 and the second mounting ring 312 are both screwed to the circumferential outer wall surface of the outer tube 210, the screw thread of the circumferential outer wall surface of the outer tube 210 can be a single screw thread, and the first mounting ring 311 and the second mounting ring 312 are relatively close to each other by rotating the first mounting ring 311 or the second mounting ring 312 around the central axis of the outer tube 210; in addition, the screw thread of the circumference outer wall surface of the outer tube 210 can also be set as a double screw thread, and the first installation ring body 311 and the second installation ring body 312 can be rotated around the central axis of the outer tube 210 by rotating the first installation ring body 311 and the second installation ring body 312 at the same time, so that the first installation ring body 311 and the second installation ring body 312 are relatively close to each other.
Specifically, when the first installation ring 311 and the second installation ring 312 are continuously close to each other, the probe of the external device can be fixedly clamped to a certain extent, so that the probe of the external device can be well fixed on the telescopic rod device 200, the external device can be selected according to actual needs, in this embodiment, a vibration detector is selected, the probe of the vibration detector is fixed between the first installation ring 311 and the second installation ring 312, so as to be tightly attached to the outer tube 210,
namely, the vibration parameters of the auditory bar 100 can be detected by the vibration detector, the measured vibration parameters are compared with the vibration parameters when the mechanical equipment operates well, the operation condition of the mechanical equipment is judged in an auxiliary manner, and further, the judgment result is more accurate, the installation and fixing structure of the external equipment is arranged, and the use is very convenient.
As a preferred embodiment of the present invention, the first installation ring body 311 is provided with a concave groove towards the end surface of the second installation ring body 312, or the second installation ring body 312 is provided with a concave groove towards the end surface of the first installation ring body 311. It should be noted that the probe for fixing and clamping the external device better can be provided with the groove, so that the probe can be better attached to the outer tube 210, deviation in detection effect is avoided, and detection of the external device can be normal.
As a preferred embodiment of the present invention, the socket 221 assembly 220 includes a plurality of sockets 221 that are sleeved with each other, a socket 221 located at the outermost periphery is sleeved in the outer tube 210, and the innermost socket 221 is far away from the end of the outer tube 210 where the sound pickup head 120 is located. It should be understood that, in this embodiment, the socket 221 assembly 220 is configured with a plurality of sockets 221 that are mutually sleeved, so as to be suitable for various different occasions and various mechanical devices, and be convenient to use and carry, and have strong practicability.
Further, a first external thread is disposed on the circumferential outer wall surface of the outer tube 210, or a second external thread and a third external thread with opposite turning directions are disposed on the circumferential outer wall surface of the outer tube 210, and the second external thread and the third external thread are sequentially arranged along the axial direction of the outer tube 210. It should be noted that the threads on the circumferential outer wall surface of the outer tube 210 may be set as single threads or double threads, and the first mounting ring 311 and the second mounting ring 312 are only required to be rotated to relatively approach each other, so that the probe of the external device can be fixedly clamped.
As a preferred embodiment of the present invention, the mounting seat apparatus 300 further includes a placing frame assembly 320 for accommodating an external device, the placing frame assembly 320 includes a third mounting ring 321 and a frame body 322, the third mounting ring 321 is connected to the outer tube 210 in a threaded manner, and the frame body 322 is detachably connected to the third mounting ring 321. It should be understood that the placement frame assembly 320 may be used to place external devices, and may also be used to place components such as a display screen, so that measurement data can be read synchronously to determine the operating condition of the machine.
As a preferred embodiment of the present invention, the outer wall surface of the circumference of the outer tube 210 is further fixedly connected with a handle 130. It should be noted that, the handle 130 is provided to keep the stability of the sound listening stick 100 against the mechanical device during use, so that the use is more convenient.
Further, the sound head 110 is a sphere, and the free end of the sound head 120 is a cone. It should be understood that the sound head 110 is formed as a sphere, so that the contact surface is increased to facilitate the listening while better holding the sound stick 100, and the free end of the sound head 120 is tapered to achieve a reliable fixation of the sound stick 100 to the mechanical device.
As a preferred embodiment of the present invention, the material of the listening head 110 and the sound pickup head 120 is metal, and the material of the telescopic rod device 200 is copper alloy. It should be understood that the materials of the listening head 110, the sound head 120 and the telescopic rod device 200 can be selected according to actual needs, in this embodiment, the listening head 110 and the sound head 120 are made of metal, and the telescopic rod device 200 is made of copper alloy, so that the listening head is safe and firm, is wear-resistant, is not easy to damage, and has a good sound transmission effect.
The working principle of the utility model is as follows: when the listening stick 100 is not used, the telescopic rod device 200 is retracted, so that the staff can conveniently carry the listening stick during daily tour of mechanical equipment; when the telescopic rod device is used, firstly, the telescopic rod device 200 is extended to a proper length, the first installation ring body 311 or the second installation ring body 312 is rotated, the first installation ring body 311 and the second installation ring body 312 are relatively close to each other, the probe of the vibration detector is fixedly clamped, the probe is tightly attached to the outer tube 210, the main body of the vibration detector is placed in the frame body 322 of the frame component 320, so that data can be read during measurement, one end of the sound pickup head 120 is contacted and tightly attached to the detected mechanical equipment, one end of the sound pickup head 110 is close to the ear of a user, the working personnel judge the operation condition of the equipment through listening, and the detection data of the vibration detector is used for auxiliary judgment, whether faults exist, the type of the faults and the like are judged, and the operation condition of the mechanical equipment can be more accurately judged under a noisy environment.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the same way in the patent protection scope of the present invention.
Claims (8)
1. A portable listening rod for judging the running state of mechanical equipment is characterized by comprising a listening head, a telescopic rod device, a mounting seat device and a pickup head, wherein the mounting seat device is detachably arranged on the telescopic rod device;
the telescopic rod device comprises two outer tubes and a sleeve tube assembly which are sleeved with each other, the listening head is arranged at one end of the outer tube, which is far away from the sleeve tube assembly, and the pickup head is arranged at one end of the sleeve tube assembly, which is far away from the outer tube;
the mounting seat device comprises a fixing unit, the fixing unit comprises a first mounting ring body and a second mounting ring body which are oppositely arranged, the first mounting ring body is sleeved on the outer pipe and is in threaded fit connection with the outer wall surface of the circumference of the outer pipe, the second mounting ring body is sleeved on the outer pipe and is in threaded fit connection with the outer wall surface of the circumference of the outer pipe, and the first mounting ring body and/or the second mounting ring body rotate around the central axis of the outer pipe so as to enable the first mounting ring body and the second mounting ring body to be relatively close to a probe for fixing and clamping external equipment.
2. The portable sound bar for determining the operational status of a mechanical device according to claim 1,
the end face of the first installation ring body facing the second installation ring body is concavely provided with a groove, or the end face of the second installation ring body facing the first installation ring body is concavely provided with a groove.
3. The portable listening stick for judging the operating condition of mechanical equipment according to claim 1, wherein the sleeving tube component comprises a plurality of sleeving tubes sleeved with each other, one sleeving tube positioned at the outermost periphery is sleeved in the outer tube, and one end of the sleeving tube positioned at the innermost side, which is far away from the outer tube, is provided with the pick-up head.
4. The portable listening rod for judging the operating condition of mechanical equipment according to claim 1, wherein the outer circumferential wall surface of the outer tube is provided with a first external thread, or the outer circumferential wall surface of the outer tube is provided with a second external thread and a third external thread with opposite rotation directions, and the second external thread and the third external thread are sequentially arranged along the axial direction of the outer tube.
5. The portable listening stick for judging the operating condition of mechanical equipment according to claim 1, wherein the mounting seat device further comprises a placement frame assembly for accommodating external equipment, the placement frame assembly comprises a third mounting ring and a frame body, the third mounting ring is in threaded fit connection with the outer tube, and the frame body is detachably connected with the third mounting ring.
6. The portable listening stick for judging the operating condition of mechanical equipment according to claim 1, wherein a handle is further fixedly connected to the circumferential outer wall surface of the outer tube.
7. The portable sound listening stick for determining the operational status of a mechanical device as claimed in claim 1, wherein said sound listening head is spherical and the free end of said sound listening head is tapered.
8. The portable listening rod for judging the operating condition of mechanical equipment according to claim 1, wherein the listening head and the pick-up head are both made of metal, and the telescopic rod device is made of copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220734518.8U CN217059350U (en) | 2022-03-30 | 2022-03-30 | Portable listening rod for judging running state of mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220734518.8U CN217059350U (en) | 2022-03-30 | 2022-03-30 | Portable listening rod for judging running state of mechanical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059350U true CN217059350U (en) | 2022-07-26 |
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ID=82469331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220734518.8U Active CN217059350U (en) | 2022-03-30 | 2022-03-30 | Portable listening rod for judging running state of mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059350U (en) |
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2022
- 2022-03-30 CN CN202220734518.8U patent/CN217059350U/en active Active
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