CN220923398U - Hydraulic machine fault diagnosis device - Google Patents
Hydraulic machine fault diagnosis device Download PDFInfo
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- CN220923398U CN220923398U CN202321416213.3U CN202321416213U CN220923398U CN 220923398 U CN220923398 U CN 220923398U CN 202321416213 U CN202321416213 U CN 202321416213U CN 220923398 U CN220923398 U CN 220923398U
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- hydraulic cylinder
- diagnosis device
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 32
- 230000008602 contraction Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000002950 deficient Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic presses, and discloses a hydraulic press fault diagnosis device which comprises a hydraulic cylinder, a hydraulic rod and a fault diagnosis component, wherein the hydraulic rod is movably inserted into the hydraulic cylinder to form a hydraulic driving piece; the device is used for judging whether the hydraulic machine has faults or not by detecting the pressure in the hydraulic cylinder and the expansion and contraction amount of the hydraulic rod and comparing the pressure with theoretical data, so that the device is better, more efficient and reliable, and the defective rate of production is reduced.
Description
Technical Field
The utility model belongs to the technical field of hydraulic presses, and particularly relates to a hydraulic press fault diagnosis device.
Background
A press is a machine made according to pascal's principle for transferring energy to achieve various processes, using a liquid as a working medium. The hydraulic machine generally comprises a main machine, a power system and a hydraulic control system. The hydraulic machines are classified into valve hydraulic machines, liquid hydraulic machines and engineering hydraulic machines, but have complex internal structures with devices. The hydraulic press is easy to cause faults due to various factors in the long-term use process, and mainly shows that the pressure intensity is inconsistent with the expansion and contraction amount of the hydraulic rod, and the machining precision is reduced although the hydraulic press is difficult to observe by naked eyes, so that the hydraulic press fault diagnosis device is urgently needed.
Disclosure of utility model
In order to solve the technical problem that the hydraulic press is easy to cause faults which are difficult to observe by naked eyes due to various factors in the long-term use process so as to reduce the machining precision, the utility model provides the following technical scheme:
The utility model relates to a hydraulic machine fault diagnosis device, which comprises a hydraulic cylinder, a hydraulic rod and a fault diagnosis component, wherein the hydraulic rod is movably inserted into the hydraulic cylinder to form a hydraulic driving piece, the hydraulic cylinder and the hydraulic rod are provided with the fault diagnosis component for fault diagnosis, and the fault diagnosis component comprises a pressure sensor for detecting the internal pressure of the hydraulic cylinder, a travel detector for detecting the expansion and contraction amount of the hydraulic rod and an alarm controller for fault alarm;
The travel detector comprises a box body and a rotation sensor, wherein the box body is fixedly arranged at the joint of a hydraulic cylinder and a hydraulic rod through bolts, a transmission shaft is fixedly arranged at the center of a clamping wheel in the box body, a limiting sliding groove is formed in the bottom of the box body, two sliding blocks are slidably arranged in the limiting sliding groove, a spring is fixedly connected between each sliding block and the end wall of the limiting sliding groove, and the bottom ends of the transmission shafts are respectively rotatably arranged on the two sliding blocks.
As a preferable technical scheme of the utility model, the hydraulic cylinder is provided with a pressure detection port, the outer side of the pressure detection port is provided with a thread installation head, and the detection end of the pressure sensor is installed on the hydraulic cylinder through the thread installation head.
As a preferable technical scheme of the utility model, a driving belt pulley is fixedly arranged at the top end of one transmission shaft, the rotation sensor is fixedly arranged at the top of the box body, the detection end of the rotation sensor extends to the inside of the box body and is fixedly provided with a driven belt pulley, and a transmission belt is fixedly sleeved between the driven belt pulley and the driving belt pulley.
As a preferable technical scheme of the utility model, the alarm controller is provided with an audible and visual alarm and is connected with an external diagnosis control terminal.
As a preferable technical scheme of the utility model, the pressure sensor, the stroke detector and the alarm controller are electrically connected with each other through wires.
The beneficial effects achieved by the utility model are as follows:
The pressure sensor detects the pressure in the hydraulic cylinder, the elastic action of the spring in the travel detector is utilized to push the two sliding blocks to approach each other in the sliding groove (the transmission belt has certain elasticity), the transmission shaft drives the two clamping wheels to clamp the hydraulic rod, the hydraulic rod stretches out and draws back to drive the gear to rotate, the clamping wheel rotates to drive the driving pulley to rotate through the transmission shaft, the driving pulley rotates to drive the driven pulley to rotate through the transmission belt, the driven pulley rotates to drive the detection end of the rotation sensor to rotate, the rotation speed and the rotation number of turns are detected through the rotation sensor, the expansion and contraction amount of the hydraulic rod is detected, and the expansion and contraction amount is compared with theoretical data, so that whether the hydraulic machine has faults or not is judged, the hydraulic machine is better, efficient and reliable, and the defective rate of production is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a hydraulic machine fault diagnosis apparatus according to the present utility model;
FIG. 2 is a schematic diagram of a hydraulic machine fault diagnosis apparatus according to the present utility model;
Fig. 3 is a schematic structural view of a stroke detector in a hydraulic machine fault diagnosis device according to the present utility model.
In the figure: 1. a hydraulic cylinder; 2. a hydraulic rod; 3. a fault diagnosis component; 301. a pressure sensor; 302. a stroke detector; 303. an alarm controller; 304. a case body; 305. a clamping wheel; 306. a transmission shaft; 307. limiting sliding grooves; 308. a slide block; 309. a spring; 310. a driving pulley; 311. a rotation sensor; 312. a driven pulley; 313. a drive belt.
Detailed Description
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.
Examples: as shown in fig. 1-3, a hydraulic machine fault diagnosis device comprises a hydraulic cylinder 1, a hydraulic rod 2 and a fault diagnosis component 3, wherein the hydraulic rod 2 is movably inserted into the hydraulic cylinder 1 to form a hydraulic driving part, the hydraulic cylinder 1 and the hydraulic rod 2 are provided with the fault diagnosis component 3 for fault diagnosis, the fault diagnosis component 3 comprises a pressure sensor 301 for detecting the internal pressure of the hydraulic cylinder 1, a stroke detector 302 for detecting the expansion and contraction amount of the hydraulic rod 2 and an alarm controller 303 for fault alarm, the hydraulic cylinder 1 is provided with a pressure detection port, the outer side of the pressure detection port is provided with a thread installation head, the detection end of the pressure sensor 301 is installed on the hydraulic cylinder 1 through the thread installation head, the alarm controller 303 is provided with an audible and visual alarm and is connected with an external diagnosis control terminal, the audible and visual alarm is generated when the hydraulic machine is detected to be in fault, the hydraulic machine stops working, the pressure sensor 301, the stroke detector 302 and the alarm controller 303 are electrically connected with each other through wires, and the pressure sensor 301 and the stroke detector 302 are better than the hydraulic machine, and the hydraulic machine can be compared with the pressure cylinder 2 in a theoretical manner, and whether the error rate of the hydraulic machine can be better compared with the pressure can be judged;
The travel detector 302 comprises a box body 304 and a rotation sensor 311, the box body 304 is fixedly arranged at the joint of the hydraulic cylinder 1 and the hydraulic rod 2 through bolts, the hydraulic rod 2 penetrates through the box body 304, two clamping wheels 305 are arranged in the box body 304, a transmission shaft 306 is fixedly arranged at the circle center of the clamping wheels 305, a limit chute 307 is arranged at the inner bottom of the box body 304, two sliding blocks 308 are slidably arranged in the limit chute 307, a spring 309 is fixedly connected between the sliding blocks 308 and the end wall of the limit chute 307, the bottom ends of the two transmission shafts 306 are respectively and rotatably arranged on the two sliding blocks 308, a driving pulley 310 is fixedly arranged at the top end of one transmission shaft 306, the rotation sensor 311 is fixedly arranged at the top of the box body 304, the detection end of the rotation sensor 311 extends to the inside of the box body 304 and is fixedly provided with a driven pulley 312, a transmission belt 313 is fixedly sleeved between the driven pulley 312 and the driving pulley 310, the two sliding blocks 308 are pushed to be close to each other by the elastic action of the spring 309 (the transmission belt 313 has certain elasticity), the two telescopic clamping wheels 305 are driven by the transmission shaft 306 to the hydraulic rod 2, the hydraulic rod 2 can drive the rotation of the clamping wheels 306, the driving pulley 306 can drive the rotation of the driving pulley and the driving pulley 306, the driven pulley to rotate, the driven pulley 306 and the driven pulley to rotate, the driven pulley is driven by the rotation of the driving pulley 310 and the driven pulley to rotate by the rotation of the driving pulley 310 through the detection of the rotation sensor 311, and the rotation of the rotation sensor 311 is detected through the rotation of the rotation sensor 312.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic press fault diagnosis device, includes pneumatic cylinder (1), hydraulic rod (2) and fault diagnosis subassembly (3), its characterized in that: the hydraulic rod (2) is movably inserted into the hydraulic cylinder (1) to form a hydraulic driving piece, fault diagnosis components (3) for fault diagnosis are arranged on the hydraulic cylinder (1) and the hydraulic rod (2), and the fault diagnosis components (3) comprise a pressure sensor (301) for detecting the internal pressure of the hydraulic cylinder (1), a stroke detector (302) for detecting the expansion and contraction amount of the hydraulic rod (2) and an alarm controller (303) for fault alarm;
The travel detector (302) comprises a box body (304) and a rotation sensor (311), the box body (304) is fixedly installed at the joint of the hydraulic cylinder (1) and the hydraulic rod (2) through bolts, the box body (304) is internally provided with two clamping wheels (305) and a transmission shaft (306) fixedly installed at the center of the clamping wheels (305), a limit sliding groove (307) is formed in the bottom in the box body (304), two sliding blocks (308) are installed in the limit sliding groove (307) in a sliding mode, springs (309) are fixedly connected between the sliding blocks (308) and the end walls of the limit sliding groove (307), and the bottom ends of the two transmission shafts (306) are respectively rotatably installed on the two sliding blocks (308).
2. The hydraulic machine fault diagnosis device according to claim 1, wherein: the hydraulic cylinder (1) is provided with a pressure detection port, the outer side of the pressure detection port is provided with a thread installation head, and the detection end of the pressure sensor (301) is installed on the hydraulic cylinder (1) through the thread installation head.
3. The hydraulic machine fault diagnosis device according to claim 1, wherein: one of them transmission shaft (306) top fixed mounting has driving pulley (310), rotation sensor (311) fixed mounting is in box body (304) top, rotation sensor (311) detection end extends to box body (304) inside and fixed mounting have driven pulley (312), fixed cover is equipped with driving belt (313) between driven pulley (312) and driving pulley (310).
4. The hydraulic machine fault diagnosis device according to claim 1, wherein: the alarm controller (303) is provided with an audible and visual alarm and is connected with an external diagnosis control terminal.
5. The hydraulic machine fault diagnosis device according to claim 1, wherein: the pressure sensor (301), the travel detector (302) and the alarm controller (303) are electrically connected through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321416213.3U CN220923398U (en) | 2023-06-06 | 2023-06-06 | Hydraulic machine fault diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321416213.3U CN220923398U (en) | 2023-06-06 | 2023-06-06 | Hydraulic machine fault diagnosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220923398U true CN220923398U (en) | 2024-05-10 |
Family
ID=90932347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321416213.3U Active CN220923398U (en) | 2023-06-06 | 2023-06-06 | Hydraulic machine fault diagnosis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220923398U (en) |
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2023
- 2023-06-06 CN CN202321416213.3U patent/CN220923398U/en active Active
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