CN219549603U - Sealing gland capable of preventing oil channeling and detecting oil leakage and double gear pump of turning and throwing machine - Google Patents
Sealing gland capable of preventing oil channeling and detecting oil leakage and double gear pump of turning and throwing machine Download PDFInfo
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- CN219549603U CN219549603U CN202320309191.4U CN202320309191U CN219549603U CN 219549603 U CN219549603 U CN 219549603U CN 202320309191 U CN202320309191 U CN 202320309191U CN 219549603 U CN219549603 U CN 219549603U
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Abstract
The utility model belongs to the technical field of hydraulic sealing. The utility model discloses a sealing gland capable of preventing oil channeling and detecting oil leakage, which comprises a cover body, a clamp spring, an oil leakage hole and a detection sensor, wherein the cover body is provided with a shaft hole, the shaft hole comprises a first section and a second section, and a first oil seal unit and a second oil seal unit are arranged in the second section; the first oil seal unit is correspondingly attached to the shaft shoulder; a clamp spring groove is formed in the inner wall of the second section, the clamp spring is arranged in the clamp spring groove, and the first oil seal unit and the second oil seal unit are respectively arranged on two sides of the clamp spring; the oil leakage hole is formed in the side wall of the second section corresponding to the clamp spring groove; the detection sensor is connected to the outer end of the oil leakage hole. Also discloses a double gear pump of the turning machine. The oil leakage detection alarm device is reasonable in structural design, can be used for mechanical sealing and isolation between different oil products and oil leakage detection alarm, prevents mutual leakage between two different oil paths, and gives alarm information in time, thereby protecting mechanical devices from being damaged.
Description
Technical Field
The utility model belongs to the technical field of hydraulic sealing, and particularly relates to a sealing gland capable of preventing oil channeling and detecting oil leakage and a double gear pump of a turning machine.
Background
The original double gear pump of the turning machine has only one unidirectional skeleton oil seal to seal engine oil, prevent engine oil from channeling into hydraulic oil, and a clamp spring groove is arranged on the oil seal, so that the skeleton oil seal cannot axially move due to the clamp spring, and the oil seal is fixed to enable sealing to be more stable.
However, the original sealing structure has the following 3 problems:
1. the long-term use of the skeleton seal can lead to ageing, oil leakage can occur after the seal is aged, and engine oil in an engine can be led into the whole hydraulic oil system, so that the whole hydraulic system is damaged.
2. When oil leakage occurs, the oil leakage state cannot be found timely, and if the phenomenon cannot be found for a long time, the whole hydraulic system is paralyzed, and the hydraulic elements are seriously damaged.
3. Each hydraulic element belongs to an imported original, the total value is up to million yuan, the purchase period is long, and once damaged, the whole turner cannot work.
Once the unidirectional seal in the middle of the original duplex gear pump is damaged, engine oil can enter the hydraulic oil system from the duplex gear pump, and thus the engine oil enters the whole hydraulic system. The problem of oil leakage and oil channeling at the duplex gear pump is solved in the past, and the problem is also a huge problem faced as the problem can not be found in time and can not be solved well all the time.
Disclosure of Invention
The utility model aims to solve the problems and the shortcomings, and provides a sealing gland capable of preventing oil channeling and detecting oil leakage and a double gear pump of a turning machine, which are reasonable in structural design, can be used for mechanical sealing isolation between different oil products and oil leakage detection alarm, and can be used for preventing mutual leakage between two different oil paths and giving alarm information in time, so that a mechanical device is protected from being damaged.
In order to achieve the above purpose, the technical scheme adopted is as follows:
a seal gland that prevents oil channeling and that enables oil leakage detection, comprising:
the cover body is provided with a shaft hole, the shaft hole comprises a first section and a second section, a shaft shoulder is arranged between the first section and the second section, and the inner diameter of the first section is smaller than that of the second section;
the first oil seal unit and the second oil seal unit are arranged in the second section, and the first oil seal unit is correspondingly attached to the shaft shoulder;
the inner wall of the second section is provided with a jump ring groove, the jump ring is arranged in the jump ring groove, and the first oil seal unit and the second oil seal unit are respectively arranged at two sides of the jump ring;
the oil leakage hole is formed in the side wall of the second section corresponding to the clamp spring groove; and
the detection sensor is connected to the outer end of the oil leakage hole.
According to the sealing gland capable of preventing oil leakage and detecting oil leakage, preferably, the oil leakage holes are two oppositely arranged, and the detection sensor is arranged on one oil leakage hole.
According to the sealing gland capable of preventing oil channeling and detecting oil leakage, preferably, the sealing gland further comprises an alarm device, and the alarm device is connected with the detection sensor.
According to the sealing gland capable of preventing oil leakage and detecting oil leakage, preferably, the diameter size of the oil leakage hole is larger than the width of the clamp spring groove.
According to the sealing gland capable of preventing oil leakage and detecting oil leakage, preferably, the diameter of the oil leakage hole is 1.5 mm-3.5 mm larger than the width of the clamp spring groove.
According to the sealing gland capable of preventing oil leakage and detecting oil leakage, the assembly holes and the process grooves are preferably formed in the cover body.
According to the sealing gland capable of preventing oil channeling and detecting oil leakage, preferably, the first oil seal unit and the second oil seal unit are both framework oil seals.
A turner duplex gear pump comprising:
a housing;
a gear assembly and a pump shaft disposed within the housing; and
the gland is arranged at the end part of the shell, the gland is the sealing gland which can prevent oil channeling and can detect oil leakage, and the cover body is buckled with the shell in a matching way and is fixedly connected with the shell.
By adopting the technical scheme, the beneficial effects are that:
the utility model can timely and effectively detect whether the oil seal is damaged or not through the sensor, and avoid the hydraulic system from being damaged. The utility model has the advantages of strong practicality, high reliability, low cost, convenient manufacture, no need of changing the basic mechanical structure of the vehicle, no difference between the modified appearance and the original vehicle, perfect substitution of the original sealing gland, and simultaneously, no detection of oil leakage of the duplex gear pump oil seal. Active research is being made for the stable operation of the equipment and for improving the service life of the equipment. In terms of maintenance of imported equipment and domestic substitution of accessories, active exploration is made. The investment cost is lower, but the stability of the equipment is greatly ensured, the production process is improved, and the product quality is improved. The utility model has good operation effect in the test operation process, has no primary fault, and simultaneously greatly saves the operation and maintenance cost. In addition, the technology can be widely applied to industries such as vehicles, environmental protection and the like, and the protection of the hydraulic system parts of the engineering vehicle is enhanced.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description will briefly explain the drawings of the embodiments of the present utility model. Wherein the showings are for the purpose of illustrating some embodiments of the utility model only and not for the purpose of limiting the same.
Fig. 1 is a schematic structural diagram of a seal gland capable of preventing oil channeling and detecting oil leakage according to an embodiment of the present utility model.
Fig. 2 is a schematic bottom view of fig. 1.
FIG. 3 is a schematic diagram of the structure of M-M in FIG. 2.
Fig. 4 is a schematic perspective view of a seal gland capable of preventing oil leakage and detecting oil leakage according to an embodiment of the present utility model.
Fig. 5 is a schematic diagram of a connection structure between a detection sensor and a sealing gland according to an embodiment of the present utility model.
Number in the figure:
100 is a cover body, 101 is a first section, 102 is a second section, 103 is an assembly hole, and 104 is a process groove;
301 is a clamp spring groove, 302 is a clamp spring, 303 is an oil leakage hole, 304 is a detection sensor, and 305 is an alarm device.
Detailed Description
In order to make the objects, technical features and technical effects of the technical solution of the present utility model more clear, an exemplary solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model.
Referring to fig. 1-5, the utility model discloses a sealing gland capable of preventing oil channeling and detecting oil leakage, which comprises a cover body 100, a clamp spring 302, an oil leakage hole 303 and a detection sensor 304, wherein the cover body 100 is provided with a shaft hole, the shaft hole comprises a first section 101 and a second section 102, a shaft shoulder is arranged between the first section 101 and the second section 102, the inner diameter size of the first section 101 is smaller than the inner diameter size of the second section 102, and a first oil seal unit and a second oil seal unit are arranged in the second section 102; the first oil seal unit is correspondingly attached to the shaft shoulder.
A clamp spring groove 301 is formed in the inner wall of the second section 102, the clamp spring 302 is arranged in the clamp spring groove 301, the first oil seal unit and the second oil seal unit are respectively arranged on two sides of the clamp spring 302, and the arrangement of the structure can enable the two oil seal units to be independent relatively and avoid moving in the axial direction; the oil leakage hole 303 is formed on the side wall of the second section 102 corresponding to the jump ring groove 301, the diameter size of the oil leakage hole 303 is larger than the width of the jump ring groove 301, in general, the diameter size of the oil leakage hole 303 is 1.5 mm-3.5 mm larger than the width of the jump ring groove 301, in specific application, the width of the jump ring groove is generally 2mm, and the diameter size of the oil leakage hole is preferably about 4.2 mm; the detection sensor 304 of the utility model is connected to the outer end of the oil leakage hole 303, in order to facilitate timely removal of leaked oil, the number of the oil leakage holes 303 of the utility model is two, the detection sensor 304 is arranged on one oil leakage hole 303, and the other is used as an overflow port. In order to facilitate the timely discovery, an alarm device 305 may also be provided, and the alarm device 305 is connected to the detection sensor 304.
The cover body 100 of the utility model is provided with the assembly holes 103 and the process grooves 104 so as to improve the structural performance and optimize the tightness of the assembly structure. The first oil seal unit and the second oil seal unit in the structure are framework oil seals, and other sealing structures can be selected according to practical application conditions.
The utility model also discloses a double gear pump of the turning machine, which comprises a shell, a gear assembly and a pump shaft which are arranged in the shell, and a gland which is arranged at the end part of the shell, wherein the gland is the sealing gland which can prevent oil channeling and can detect oil leakage, and the cover is matched, buckled and fixedly connected with the shell. In practical application, the gland designs the peripheral dimension according to the terminal surface shape of gear pump, opens one and makes it can pack into the round hole of 2 skeleton oil seals of 25-42-6/6.5 in pump shaft department, opens a jump ring groove of 2.2mm in the middle of two skeleton oil seals, makes it pack into jump ring and can fix two skeleton oil seals, can not make it make the back and forth movement to open a hole of 4.2mm in jump ring groove department and communicate with each other with the external world, as the oil leak hole, has two effects: if oil leakage occurs, the oil leakage can be timely discharged as an overflow port, in addition, an oil liquid sensor is arranged at the oil leakage hole, and when oil liquid leaks from an oil seal at one side of the oil leakage hole, the sensor can timely send out an alarm signal and inform a driver of timely stopping.
The utility model can seal the engine oil and the hydraulic oil simultaneously through bidirectional sealing, and can more effectively prevent the oil channeling problem of two oil products. A clamp spring groove is formed in the middle of the two oil seals and used for blocking the two oil seals, a small hole is formed in the clamp spring groove, and once oil leakage occurs, the device can flow out of the small hole. The sensor capable of detecting oil is arranged at the small hole, so that an alarm signal can be sent out at the first time when oil is exuded, and the signal is transmitted to the cab, so that a driver can timely find out oil leakage and timely process the oil leakage.
The novel gland of preventing oil channeling of the double gear pump of the turning machine has the advantages of strong practicability, high reliability, capability of detecting the problem of oil channeling at the first time, low manufacturing cost, convenience in manufacture, no need of changing the basic mechanical structure of a vehicle, no difference between the modified appearance and the original vehicle, perfect substitution of the original sealing gland, and capability of solving the problem that the oil leakage of the oil seal of the double gear pump cannot be detected. Active research is being made for the stable operation of the equipment and for improving the service life of the equipment. In terms of maintenance of imported equipment and domestic substitution of accessories, active exploration is made. The investment cost is lower, but the stability of the equipment is greatly ensured, the production process is improved, and the product quality is improved. At present, the operation effect is good, no primary fault occurs, and the operation and maintenance cost is greatly saved. In addition, the technology can be widely applied to industries such as vehicles, environmental protection and the like, and the protection of the hydraulic system parts of the engineering vehicle is enhanced.
While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and adaptations can be made to the above-described specific embodiments and that various combinations of the features and structures can be made without departing from the scope of the present utility model as defined in the appended claims.
Claims (8)
1. A seal gland that prevents channeling oil and can leak oil detection, characterized in that includes:
the cover body is provided with a shaft hole, the shaft hole comprises a first section and a second section, a shaft shoulder is arranged between the first section and the second section, and the inner diameter of the first section is smaller than that of the second section;
the first oil seal unit and the second oil seal unit are arranged in the second section, and the first oil seal unit is correspondingly attached to the shaft shoulder;
the inner wall of the second section is provided with a jump ring groove, the jump ring is arranged in the jump ring groove, and the first oil seal unit and the second oil seal unit are respectively arranged at two sides of the jump ring;
the oil leakage hole is formed in the side wall of the second section corresponding to the clamp spring groove; and
the detection sensor is connected to the outer end of the oil leakage hole.
2. The seal gland capable of preventing oil leakage and detecting oil leakage according to claim 1, wherein the oil leakage holes are two oppositely arranged, and the detection sensor is arranged on one of the oil leakage holes.
3. The oil channeling-preventing and oil leakage-detecting seal cover according to claim 1 or 2, further comprising an alarm device connected to the detection sensor.
4. The oil-channeling-preventing and oil-leakage-detecting sealing gland according to claim 1, wherein the diameter size of the oil leakage hole is larger than the width of the snap spring groove.
5. The sealing gland capable of preventing oil leakage and detecting oil leakage according to claim 4, wherein the diameter of the oil leakage hole is 1.5 mm-3.5 mm larger than the width of the snap spring groove.
6. The oil-channeling-preventing and oil-leakage-detecting sealing gland according to claim 1, wherein the cover body is provided with an assembly hole and a process groove.
7. The oil channeling-preventing and oil leakage-detecting seal cover according to claim 1, wherein the first oil seal unit and the second oil seal unit are both skeleton oil seals.
8. The utility model provides a turn over machine duplex gear pump which characterized in that includes:
a housing;
a gear assembly and a pump shaft disposed within the housing; and
the gland is arranged at the end part of the shell, the gland is a sealing gland which can prevent oil leakage and can detect oil leakage according to any one of claims 1-7, and the cover body is buckled with the shell in a matched mode and is fixedly connected with the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309191.4U CN219549603U (en) | 2023-02-24 | 2023-02-24 | Sealing gland capable of preventing oil channeling and detecting oil leakage and double gear pump of turning and throwing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309191.4U CN219549603U (en) | 2023-02-24 | 2023-02-24 | Sealing gland capable of preventing oil channeling and detecting oil leakage and double gear pump of turning and throwing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549603U true CN219549603U (en) | 2023-08-18 |
Family
ID=87701243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320309191.4U Active CN219549603U (en) | 2023-02-24 | 2023-02-24 | Sealing gland capable of preventing oil channeling and detecting oil leakage and double gear pump of turning and throwing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549603U (en) |
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2023
- 2023-02-24 CN CN202320309191.4U patent/CN219549603U/en active Active
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