CN216478154U - Hydraulic oil cylinder with sensor structure fixed in hollow piston rod - Google Patents
Hydraulic oil cylinder with sensor structure fixed in hollow piston rod Download PDFInfo
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- CN216478154U CN216478154U CN202123330157.5U CN202123330157U CN216478154U CN 216478154 U CN216478154 U CN 216478154U CN 202123330157 U CN202123330157 U CN 202123330157U CN 216478154 U CN216478154 U CN 216478154U
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- piston rod
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- tail
- sensor
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Abstract
The utility model discloses a hydraulic cylinder of hollow piston rod internal fixation sensor structure, including cylinder, piston rod, piston, uide bushing, back earrings, spacer ring, joint bearing, jar tail, piston rod head and linear transducer, the cylinder forms integratively with jar tail fixed mounting, the piston rod forms integratively with steel pipe fixed mounting, piston rod tail fixed mounting has the piston rod head. This hydraulic cylinder of hollow piston rod internal fixation sensor structure is as an organic whole through passing through piston rod, steel pipe, piston rod head and piston rod tail after the welding, and this is rational in infrastructure and reduced the processing cost to through installing the sensor in the inside enclosure space of pneumatic cylinder piston rod, make the sensor not receive external environment influence, can use under abominable external environment along with the pneumatic cylinder, improve the life of sensor.
Description
Technical Field
The utility model relates to a hydraulic cylinder field specifically is a hydraulic cylinder of hollow piston rod internal fixation sensor structure.
Background
The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion, has simple structure, reliable work and high power density, can remove a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to hydraulic systems of various machines. A sensor is an electronic device that converts a physical variable into an electronic signal, which can be read or obtained by a variety of control, measurement and adjustment instruments.
The non-contact magnetostrictive linear position sensor applied to the hydraulic cylinder at present has the following defects that the sensor is easily damaged in a severe environment due to the fact that the sensor is arranged outside a common sensor hydraulic cylinder, the sensor cannot be suitable for different use environments, the structure is not optimized, and the design is not reasonable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hollow piston rod internal fixation sensor structure's hydraulic cylinder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the sensor comprises a linear sensor, wherein the linear sensor is fixed on a cylinder tail in a threaded mode and extends into a steel pipe, and the steel pipe, a piston rod head and the piston rod
The tail is welded into a whole, the cylinder tail is connected with the rear lug ring and the spacer ring through long bolts, the cylinder tail is welded with the cylinder barrel, and the cylinder barrel is in threaded connection with the guide sleeve.
As a further aspect of the present invention: the piston rod tail is connected with the piston through threads.
As a further aspect of the present invention: the piston is connected with the joint bearing through threads.
As a further aspect of the present invention: a hydraulic oil cylinder with a sensor structure fixed in a hollow piston rod comprises a magnet and a magnet gasket, wherein the magnet and the magnet gasket are fixed on a piston through bolts.
As a further aspect of the present invention: and chamfering the surface of the piston rod head.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the using process of the utility model, the linear sensor is fixed on the cylinder tail in a thread mode and extends into the steel pipe. The linear sensor in the structure form can be used together with the hydraulic cylinder under different severe external environments.
2. In the utility model, the piston rod, the steel pipe, the piston rod head and the piston rod tail are welded into a whole, and the whole material and the processing cost of the design are far lower than those of a common solid piston rod.
Drawings
FIG. 1 is a cross-sectional view of a hydraulic cylinder having a sensor structure secured within a hollow piston rod;
FIG. 2 is a cross-sectional view of a piston rod weld in a hydraulic cylinder having a sensor structure secured within a hollow piston rod.
In the figure: the device comprises a cylinder barrel 1, a piston rod 2, a piston 3, a guide sleeve 4, a rear ear ring 5, a spacer ring 6, a joint bearing 7, a cylinder tail 8, a linear sensor 9, a magnet 10, a magnet gasket 11, a bolt 12, a steel pipe 13, a piston rod head 14, a piston rod tail 15 and a long bolt 16.
Detailed Description
The following description will be made in conjunction with the accompanying drawings in the embodiments of the present invention, for the technical aspects in the embodiments of the present invention
For the purposes of clarity and complete description, it is to be understood that the described embodiments are only a few, and not all, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model provides a technical scheme, a hydraulic cylinder of hollow piston rod internal fixation sensor structure, including linear transducer 9, linear transducer 9 fixes on jar tail 8 and stretches into steel pipe 13 with the screw thread mode in, steel pipe 13 becomes a whole with piston rod 2, piston rod head 14 and the welding of piston rod tail 15, and jar tail 8 passes through long bolt 16 and links to each other with back earrings 5 and spacer ring 6, jar tail 8 and 1 welded connection of cylinder, cylinder 1 and 4 threaded connection of uide bushing.
The piston rod tail 15 is in threaded connection with the piston 3.
The piston 3 is screwed to the spherical plain bearing 7.
The magnet 10 and the magnet washer 11 are fixed to the piston 3 by the bolt 12.
The surface of the piston rod head 14 is chamfered.
The utility model discloses a theory of operation is:
when the linear sensor is used, the steel pipe 13, the piston rod 2, the piston rod head 14 and the piston rod tail 15 are welded into a whole, and then the magnet 10 is driven to extend out together, so that displacement is generated between the sensor 9 and the magnet 10, and a signal is fed back through the linear sensor 9, so that the movement range of the hydraulic oil cylinder is judged;
moreover, the linear sensor 9 is fixed on the cylinder tail 8 in a threaded manner and extends into the steel pipe 13, so that the sensor can be well protected, and the sensor can be used under different severe conditions.
Claims (5)
1. The utility model provides a hydraulic cylinder of hollow piston rod internal fixation sensor structure, includes linear transducer (9), its characterized in that: the linear sensor (9) is fixed on the cylinder tail (8) in a threaded mode and extends into a steel pipe (13), the piston rod (2), the piston rod head (14) and the piston rod tail (15) are welded into a whole, the cylinder tail (8) is connected with the rear lug ring (5) and the spacer ring (6) through a long bolt (16), the cylinder tail (8) is welded with the cylinder barrel (1), and the cylinder barrel (1) is in threaded connection with the guide sleeve (4).
2. The hydraulic oil cylinder with the sensor structure fixed in the hollow piston rod as claimed in claim 1, characterized in that: the piston rod tail (15) is in threaded connection with the piston (3).
3. The hydraulic oil cylinder with the sensor structure fixed in the hollow piston rod as claimed in claim 2, characterized in that: the piston (3) is connected with the joint bearing (7) through threads.
4. The hydraulic oil cylinder with the sensor structure fixed in the hollow piston rod as claimed in claim 2, characterized in that: the piston (3) fixes the magnet (10) and the magnet gasket (11) through the bolt (12).
5. The hydraulic oil cylinder with the sensor structure fixed in the hollow piston rod as claimed in claim 1, characterized in that: and the surface of the piston rod head (14) is subjected to chamfering treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123330157.5U CN216478154U (en) | 2021-12-28 | 2021-12-28 | Hydraulic oil cylinder with sensor structure fixed in hollow piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123330157.5U CN216478154U (en) | 2021-12-28 | 2021-12-28 | Hydraulic oil cylinder with sensor structure fixed in hollow piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478154U true CN216478154U (en) | 2022-05-10 |
Family
ID=81428631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123330157.5U Active CN216478154U (en) | 2021-12-28 | 2021-12-28 | Hydraulic oil cylinder with sensor structure fixed in hollow piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478154U (en) |
-
2021
- 2021-12-28 CN CN202123330157.5U patent/CN216478154U/en active Active
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