CN220378612U - Device for on-line monitoring tiny internal leakage of hydraulic cylinder - Google Patents
Device for on-line monitoring tiny internal leakage of hydraulic cylinder Download PDFInfo
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- CN220378612U CN220378612U CN202321353954.1U CN202321353954U CN220378612U CN 220378612 U CN220378612 U CN 220378612U CN 202321353954 U CN202321353954 U CN 202321353954U CN 220378612 U CN220378612 U CN 220378612U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic cylinder detection, and provides an on-line monitoring hydraulic cylinder tiny internal leakage device which comprises a left connecting port, a left sensor assembly, a left pipe valve, a signal data line, a central monitoring alarm assembly, a right connecting port, a right sensor assembly, a right pipe valve and a guide pipe. The left sensor component, the signal data line, the central monitoring alarm component, the right sensor component and the guide pipe are arranged, so that the monitoring of the tiny pressure change in the hydraulic cylinder is facilitated, the left pressure and the right pressure can be monitored after the central computer is provided with a stable pressure value, and the tiny pressure changes at the left side and the right side of the hydraulic cylinder can be timely alarmed; the arrangement of the left connecting port, the right connecting port and the guide pipe is beneficial to realizing the characteristics of high temperature resistance, fire resistance and high pressure impact resistance; the setting of reset keys on the left sensor assembly and the right sensor assembly is beneficial to realizing that the normal monitoring process is restored when the alarm signal is misjudged.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinder detection, in particular to a device for monitoring tiny internal leakage of a hydraulic cylinder on line.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), has a simple structure, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, and is widely applied to hydraulic systems of various machines.
The hydraulic cylinder is easy to leak outside and leak inside in the use, the outside leakage is relatively easy to find, the inside of the cylinder body can be repaired in time through observation or hearing, the inside leakage is generated inside the cylinder body, meanwhile, due to the reasons of the inside leakage, the reasons of poor sealing, part deformation and the like are often caused by friction damage, the leakage mode is often tiny leakage, the time period is longer, the leakage is difficult to find, and when the leakage is found, only the inner part of the hydraulic cylinder can be replaced.
In view of the above, it is necessary to provide an on-line monitoring device for small internal leakage of a hydraulic cylinder.
Disclosure of Invention
The utility model provides a device for monitoring tiny internal leakage of a hydraulic cylinder on line, which solves the problem of monitoring tiny internal leakage of the hydraulic cylinder in the related technology. The utility model is realized by the following technical scheme:
in order to solve the technical problems, the utility model provides an on-line monitoring hydraulic cylinder tiny internal leakage device which is characterized by comprising a left connecting port, a left sensor assembly, a left pipe valve, a signal data line, a central monitoring alarm assembly, a right connecting port, a right sensor assembly, a right pipe valve and a conduit, wherein the left connecting port is in threaded connection with a left liquid inlet of a hydraulic cylinder, and the lower part of the left connecting port is connected with the conduit; the left pipe valve is positioned at the lower part of the guide pipe; the left sensor component is connected to the guide pipe in a threaded manner and is positioned in the middle of the left connecting port and the left pipe valve; the right connecting port is in threaded connection with a right liquid inlet of the hydraulic cylinder, and the lower part of the right connecting port is connected with a guide pipe; the right pipe valve is positioned at the lower part of the guide pipe; the right sensor component is connected to the guide pipe in a threaded manner and is positioned in the middle of the right connecting port and the right pipe valve.
Preferably, the on-line monitoring hydraulic cylinder tiny internal leakage device is characterized in that the left connecting port and the right connecting port comprise a threaded connecting port, a sealing gasket, a conduit inner wall, a steel wire braiding reinforcing layer, a conduit outer wall and an asbestos layer, and the threaded connecting port is screwed on the top of the conduit; the sealing gasket is positioned at the top end of the catheter, the interior of the catheter is hollow, the inner wall of the catheter, the steel wire weaving reinforcing layer, the asbestos layer and the outer wall of the catheter are sequentially arranged from inside to outside, and all the structures are closely connected through gluing.
Preferably, the on-line monitoring hydraulic cylinder tiny internal leakage device is characterized in that the left sensor assembly and the right sensor assembly comprise an electric signal receiving and transmitting port, a sensor operation plate, a sensor pair interface and a pressure sensing diaphragm, wherein the sensor operation plate is positioned on the surface of the assembly, and two electric signal receiving and transmitting ports are respectively positioned at the upper part and the lower part of the sensor assembly; the sensor is provided with an upper joint and a lower joint which are respectively connected with the guide pipe; the pressure sensing diaphragm is positioned in the inner cavity.
Preferably, the on-line monitoring hydraulic cylinder tiny internal leakage device is characterized in that the left pipe valve and the right pipe valve comprise a direction rotary table, a valve pipe, a valve butt joint and a semicircular locking plate, wherein the direction rotary table is in threaded connection with the valve pipe, the semicircular locking plate is in threaded connection with the direction rotary table, and the valve butt joint is provided with an upper pipe and a lower pipe which are respectively connected with the valve butt joint.
Preferably, the on-line monitoring hydraulic cylinder tiny internal leakage device is characterized in that the central monitoring alarm assembly comprises an alarm operation board, a central computer, an electric signal processing port, an alarm sound port, a fastening bracket, a fastening sheet and a fastening screw hole, wherein the alarm operation board is positioned on the surface of the assembly; the central computer is positioned in the middle of the assembly, and the electric signal processing ports are positioned at the left side and the right side of the central computer and are respectively provided with an upper part and a lower part; alarm sound ports are respectively arranged on the left side and the right side of the central computer; the four corners of the ventral surface of the central computer are respectively welded with a fastening bracket, the bottom end of each fastening bracket is respectively welded with a fastening piece, and each fastening piece is provided with a fastening screw hole.
Preferably, the on-line monitoring hydraulic cylinder micro internal leakage device has four signal data lines which are respectively and correspondingly connected with the left sensor assembly and the right sensor assembly.
Preferably, the on-line monitoring hydraulic cylinder tiny internal leakage device is characterized in that the left sensor assembly and the right sensor assembly are both provided with a digital display screen and a reset key.
Preferably, the on-line monitoring hydraulic cylinder tiny internal leakage device, and the alarm operation panel of the central monitoring alarm assembly is provided with a display screen and an operation key.
Preferably, the on-line monitoring hydraulic cylinder micro internal leakage device is characterized in that the sensor pair interface and the valve pair interface are both in threaded connection with the guide pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the left sensor component, the signal data line, the central monitoring alarm component, the right sensor component and the guide pipe are arranged, so that the monitoring of the tiny pressure change in the hydraulic cylinder is facilitated, the left pressure and the right pressure can be monitored after the central computer is provided with a stable pressure value, and the tiny pressure changes at the left side and the right side of the hydraulic cylinder can be timely alarmed.
2. The left connecting port, the right connecting port and the guide pipe are arranged, so that the characteristics of high temperature resistance, fire resistance and high pressure impact resistance are realized.
3. The setting of the reset keys on the left sensor assembly and the right sensor assembly is beneficial to realizing the recovery of the normal monitoring process when the alarm signal is misjudged.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the left and right connectors of the present utility model;
FIG. 3 is a cross-sectional view of the left and right sensors of the present utility model;
FIG. 4 is a cross-sectional view of the left and right tube valves of the present utility model;
FIG. 5 is a side view of the central monitoring alarm assembly of the present utility model;
in the figure:
1. a left connecting port; 2. a left sensor assembly; 3. a left pipe valve; 4. a signal data line; 5. a central monitoring alarm assembly; 6. a right connecting port; 7. a right sensor assembly; 8. a right tube valve; 9. a conduit; 11. a threaded connection port; 12. a sealing gasket; 13. the inner wall of the conduit; 14. weaving a steel wire reinforced layer; 15. an outer wall of the catheter; 16. an asbestos layer; 21. an electric signal receiving and transmitting port; 22. a sensor operation panel; 23. a sensor interface; 24. a pressure sensing diaphragm; 31. a direction dial; 32. a valve tube; 33. a valve butt joint; 34. a semicircular locking plate; 51. an alarm operation panel; 52. a central computer; 53. an electrical signal processing port; 54. an alarm sound port; 55. fastening a bracket; 56. a fastening tab; 57. fastening screw holes.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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. 1-2, the embodiment provides an on-line monitoring device for tiny internal leakage of a hydraulic cylinder, which comprises a left connection port 1, a left sensor assembly 2, a left pipe valve 3, a signal data line 4, a central monitoring alarm assembly 5, a right connection port 6, a right sensor assembly 7, a right pipe valve 8 and a conduit 9, wherein the left connection port 1 is in threaded connection with a left liquid inlet of the hydraulic cylinder, and the lower part of the left connection port is connected with the conduit 9; the left pipe valve 3 is positioned at the lower part of the guide pipe (9); the left sensor component 2 is connected to the guide pipe 9 in a threaded manner and is positioned in the middle of the left connecting port 1 and the left pipe valve 3; the right connecting port 6 is in threaded connection with a right liquid inlet of the hydraulic cylinder, and the lower part of the right connecting port is connected with a guide pipe 9; the right pipe valve 8 is positioned at the lower part of the guide pipe (9); the right sensor assembly 7 is connected to the guide pipe 9 in a threaded manner and is positioned in the middle of the right connecting port 6 and the right pipe valve 8; the on-line monitoring hydraulic cylinder tiny internal leakage device is characterized in that the left connecting port 1 and the right connecting port 6 comprise a threaded connecting port 11, a sealing gasket 12, a conduit inner wall 13, a steel wire braiding reinforcing layer 14, a conduit outer wall 15 and an asbestos layer 16, and the threaded connecting port 11 is screwed on the top of the conduit 9; the sealing gasket 12 is positioned at the top end of the conduit 9, the interior of the conduit 9 is hollow, the conduit inner wall 13, the steel wire braiding reinforcing layer 14, the asbestos layer 16 and the conduit outer wall 15 are sequentially arranged from inside to outside, and all the structures are closely connected through gluing.
As shown in fig. 3, in the above embodiment, specifically, the left sensor assembly 2 and the right sensor assembly 7 include an electric signal receiving and transmitting port 21, a sensor operation plate 22, a sensor pair interface 23 and a pressure sensing diaphragm 24, the sensor operation plate 22 is located on the surface of the assembly, and two electric signal receiving and transmitting ports 21 are respectively located on the upper portion and the lower portion of the sensor assembly; the sensor pair interface 23 is provided with an upper interface and a lower interface which are respectively connected with the guide pipe 9; the pressure sensing diaphragm 24 is positioned in the interior cavity.
In the above embodiment, as shown in fig. 4, specifically, the left pipe valve 3 and the right pipe valve 8 include a steering wheel 31, a valve tube 32, a valve opposite port 33 and a semicircular locking plate 34, where the steering wheel 31 is screwed on the valve tube 32, the semicircular locking plate 34 is screwed on the steering wheel 31, and the valve opposite port 33 has an upper part and a lower part, and is connected with the conduit 9 respectively.
As shown in fig. 5, in the above embodiment, specifically, the central monitoring alarm assembly 5 includes an alarm operation board 51, a central computer 52, an electric signal processing port 53, an alarm sound port 54, a fastening bracket 55, a fastening tab 56 and a fastening screw hole 57, wherein the alarm operation board 51 is located on the surface of the assembly; the central computer 52 is positioned in the middle of the assembly, and the electric signal processing ports 53 are positioned at the left side and the right side of the central computer 52 and are respectively provided with an upper part and a lower part; alarm sound ports 54 are respectively arranged on the left side and the right side of the central computer 52; the four corners of the ventral surface of the central computer 52 are respectively welded with a fastening bracket 55, the bottom end of each fastening bracket 55 is respectively welded with a fastening plate 56, and each fastening plate 56 is provided with a fastening screw hole 57.
In the above scheme, specifically, four signal data lines 4 are correspondingly connected with the left sensor assembly 2 and the right sensor assembly 7 respectively; the left sensor assembly 2 and the right sensor assembly 7 are provided with a digital display screen and a reset key.
In the above scheme, specifically, the alarm operation board 51 of the central monitoring alarm assembly 5 is provided with a display screen and operation keys; the sensor interface 23 and the valve interface 33 are both in threaded connection with the conduit 9.
Principle of operation
When the utility model is used, a user starts the central monitoring alarm assembly 5, sets a stable pressure value standard, forms an electric signal, and transmits the electric signal to the left sensor assembly 2 and the right sensor assembly 7 through the signal data wire 4, and the left sensor assembly 2 and the right sensor assembly 7 monitor the pressure in the catheter 9.
When the pressure of the hydraulic cylinder is abnormal, the left sensor assembly 2 and the right sensor assembly 7 form alarm signals which are transmitted to the central monitoring alarm assembly 5 through the signal data line 4, and then the alarm is started in a correlated mode, and an alarm sound is sent out through the alarm sound port 5. The user can rotate the left pipe valve 3 or the right pipe valve 8 to stop the hydraulic cylinder, then overhaul the hydraulic cylinder, and if false alarm is found, the hydraulic cylinder can be reset by being used as the sensor assembly 2 or the right sensor assembly 7 and can be reused.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The device for monitoring the tiny internal leakage of the hydraulic cylinder on line is characterized by comprising a left connecting port (1), a left sensor assembly (2), a left pipe valve (3), a signal data line (4), a central monitoring alarm assembly (5), a right connecting port (6), a right sensor assembly (7), a right pipe valve (8) and a guide pipe (9), wherein the left connecting port (1) is in threaded connection with a lower connecting guide pipe (9) of a left liquid inlet of the hydraulic cylinder; the left pipe valve (3) is positioned at the lower part of the guide pipe (9); the left sensor component (2) is connected to the guide pipe (9) in a threaded manner and is positioned in the middle of the left connecting port (1) and the left pipe valve (3); the right connecting port (6) is in threaded connection with a lower connecting conduit (9) of a right liquid inlet of the hydraulic cylinder; the right pipe valve (8) is positioned at the lower part of the guide pipe (9); the right sensor component (7) is connected to the guide pipe (9) in a threaded manner and is positioned in the middle of the right connecting port (6) and the right pipe valve (8).
2. The on-line monitoring hydraulic cylinder micro internal leakage device according to claim 1, wherein the left connecting port (1) and the right connecting port (6) respectively comprise a threaded connecting port (11), a sealing gasket (12), a conduit inner wall (13), a steel wire braiding reinforcing layer (14), a conduit outer wall (15) and an asbestos layer (16), and the threaded connecting port (11) is screwed on the top of the conduit (9); the sealing gasket (12) is positioned at the top end of the guide pipe (9), the inside of the guide pipe (9) is hollow, the inner wall (13) of the guide pipe, the steel wire braiding reinforcing layer (14), the asbestos layer (16) and the outer wall (15) of the guide pipe are sequentially arranged from inside to outside, and all the structures are closely connected through gluing.
3. The on-line monitoring hydraulic cylinder micro-internal leakage device according to claim 1, wherein the left sensor assembly (2) and the right sensor assembly (7) respectively comprise an electric signal receiving and transmitting port (21), a sensor operation plate (22), a sensor interface (23) and a pressure sensing diaphragm (24), the sensor operation plate (22) is positioned on the surface of the assembly, and the two electric signal receiving and transmitting ports (21) are respectively positioned at the upper part and the lower part of the sensor assembly; the sensor butt joint (23) is provided with an upper part and a lower part which are respectively connected with the guide pipe (9); the pressure sensing diaphragm (24) is positioned in the internal cavity.
4. The on-line monitoring hydraulic cylinder tiny internal leakage device according to claim 1, wherein the left pipe valve (3) and the right pipe valve (8) comprise a direction rotary table (31), a valve pipe (32), a valve butt joint (33) and a semicircular locking plate (34), the direction rotary table (31) is in threaded connection with the valve pipe (32), the semicircular locking plate (34) is in threaded connection with the direction rotary table (31), and the valve butt joint (33) is provided with an upper part and a lower part and is respectively connected with the guide pipe (9).
5. The on-line monitoring hydraulic cylinder micro internal leakage device according to claim 1, wherein the central monitoring alarm assembly (5) comprises an alarm operation plate (51), a central computer (52), an electric signal processing port (53), an alarm sound port (54), a fastening bracket (55), a fastening sheet (56) and a fastening screw hole (57), wherein the alarm operation plate (51) is positioned on the surface of the assembly; the central computer (52) is positioned in the middle of the assembly, and the electric signal processing ports (53) are positioned at the left side and the right side of the central computer (52) and are respectively provided with an upper part and a lower part; alarm sound ports (54) are respectively arranged on the left side and the right side of the central computer (52); the four corners of the ventral surface of the central computer (52) are respectively welded with fastening brackets (55), the bottom end of each fastening bracket (55) is respectively welded with a fastening piece (56), and each fastening piece (56) is provided with a fastening screw hole (57).
6. The on-line monitoring hydraulic cylinder tiny internal leakage device according to claim 1, wherein the number of the signal data lines (4) is four, and the signal data lines are respectively correspondingly connected with the left sensor assembly (2) and the right sensor assembly (7).
7. The on-line monitoring hydraulic cylinder tiny internal leakage device according to claim 1, wherein the left sensor assembly (2) and the right sensor assembly (7) are both provided with a digital display screen and a reset key.
8. The on-line monitoring hydraulic cylinder micro internal leakage device according to claim 5, wherein the alarm operation board (51) of the central monitoring alarm assembly (5) is provided with a display screen and operation keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353954.1U CN220378612U (en) | 2023-05-31 | 2023-05-31 | Device for on-line monitoring tiny internal leakage of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353954.1U CN220378612U (en) | 2023-05-31 | 2023-05-31 | Device for on-line monitoring tiny internal leakage of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378612U true CN220378612U (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321353954.1U Active CN220378612U (en) | 2023-05-31 | 2023-05-31 | Device for on-line monitoring tiny internal leakage of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378612U (en) |
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2023
- 2023-05-31 CN CN202321353954.1U patent/CN220378612U/en active Active
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