CN203463416U - External front-and-rear-earring type sensor structure of hydraulic cylinder - Google Patents
External front-and-rear-earring type sensor structure of hydraulic cylinder Download PDFInfo
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- CN203463416U CN203463416U CN201320552602.9U CN201320552602U CN203463416U CN 203463416 U CN203463416 U CN 203463416U CN 201320552602 U CN201320552602 U CN 201320552602U CN 203463416 U CN203463416 U CN 203463416U
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Abstract
The utility model discloses an external front-and-rear-earring type sensor structure of a hydraulic cylinder. The external front-and-rear-earring type sensor structure is parallel with the hydraulic cylinder and is arranged at the outer part of the hydraulic cylinder. The external front-and-rear-earring type sensor structure comprises a sensor cylinder bottom, a sensor cylinder barrel and a sensor cylinder head all sequentially connected, wherein a sensor piston and a sensor piston rod are arranged in the sensor cylinder barrel, and a displacement sensor is connected onto the sensor piston; the rear end of the sensor piston rod is connected with the sensor piston, and the sensor piston rod extends out from the sensor cylinder head; a front earring is arranged at the front end of the sensor piston rod, and the sensor piston rod is connected with a hydraulic cylinder piston rod through the front earring; a rear earring is arranged on the sensor cylinder bottom, and the sensor cylinder bottom is connected onto a hydraulic cylinder bottom through the rear earring. According to the utility model, the manner that a sensor is arranged externally is adopted, so that the disassembly is convenient, and the manufacturing cost is low; the sensor cylinder head adopts copper materials and plays a guide and match role between the sensor cylinder head and the piston rod, the piston and the cylinder barrel are mutually guided through a guide belt, and the linear precision of the external sensor is ensured.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, relates to a kind of hydraulic cylinder external front and back Earrings type sensor construction.
Background technique
In the design process of oil hydraulic cylinder, often according to what use, need installation position displacement sensor to carry out accurate position measurement.Normal conditions are to punch in oil hydraulic cylinder, and sensor is built in oil hydraulic cylinder, and the shortcoming of this kind of design is if sensor breaks down, must drain hydraulic oil in cylinder body, take oil cylinder apart and could change, once and some oil hydraulic cylinders is installed, dismounting is just very inconvenient, has had a strong impact on manufacturing efficiency.
Summary of the invention
The utility model, for problems of the prior art, provides a kind of hydraulic cylinder external front and back Earrings type sensor construction.
The utility model is to address this problem taked technological scheme to be:
Before and after hydraulic cylinder external of the present utility model, Earrings type sensor construction, is parallel to oil hydraulic cylinder and is arranged at oil hydraulic cylinder outside, comprises the sensor cylinder bottom, sensor cylinder barrel and the sensor cylinder head that connect successively; In sensor cylinder barrel, be provided with pick-up piston and pick-up piston bar, on pick-up piston, be connected with displacement transducer, the rear end of pick-up piston bar is connected with pick-up piston, pick-up piston bar stretches out in sensor cylinder head, front end is provided with front earrings, and pick-up piston bar is connected with hydraulic cylinder piston rod by front earrings; On sensor cylinder bottom, be provided with rear earrings, sensor cylinder bottom is connected on cylinder bottoms of hydraulic cylinders by rear earrings.
Between described pick-up piston and sensor cylinder barrel, with guidance tape, lead.
Described sensor cylinder head adopts copper material.
On described sensor cylinder bottom, be provided with nylon cable water joint and mini-type muffler, by mini-type muffler, communicate with atmosphere.
Described pick-up piston bar and pick-up piston are threaded connection.
On described front earrings and rear earrings, joint shaft bearing is all installed.
Advantage of the present utility model and good effect are:
Earrings type sensor construction before and after hydraulic cylinder external of the present utility model, adopts the external mode of sensor, is parallel to oil hydraulic cylinder and installs, convenient disassembly, low cost of manufacture.In cylinder, without sensor construction, can increase the guiding length of oil hydraulic cylinder itself.Sensor cylinder head adopts copper material, with the effect of playing guiding between piston rod and coordinating, between piston and cylinder barrel, with guidance tape, leads, and has guaranteed the linear precision of outer sensor.Outer sensor is inner to communicate with atmosphere by mini-type muffler without oil, and mini-type muffler also can play dustproof effect.Between outer sensor and oil hydraulic cylinder, can cross bearing pin and connect, installation dimension can need to design according to oil hydraulic cylinder.Being also advantageous in that when apply at scene of front and back Earrings type outer sensor, can, by whole outer sensor dismounting, in the environment without oily, change safe ready if sensor breaks down.
Accompanying drawing explanation
Fig. 1 is the plan view of Earrings type sensor before and after hydraulic cylinder external of the present utility model;
Fig. 2 is the sectional view of Earrings type sensor construction before and after hydraulic cylinder external of the present utility model;
Fig. 3 is the enlarged view of A portion in Fig. 2;
Fig. 4 is the structural perspective of oil hydraulic cylinder of the present utility model;
Critical piece label declaration in figure:
1: sensor cylinder barrel 2: sensor cylinder head
3: pick-up piston bar 4: pick-up piston
5: sensor flange 6: sensor holder
7: sensor cylinder bottom 8: guidance tape
9: dust ring 10:O shape circle
11: front earrings 12: displacement transducer
13: joint shaft bearing 14: circlip for hole
16: lubricating cup 18: nylon cable water joint
19: mini-type muffler 20: Cock screw
21: positioning ring 22: magnet ring
23: spring washer 25: rear earrings
15,17,24: screw.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further, in accompanying drawing, parts same as the prior art have adopted identical label.Following each embodiment is only not limitation of the utility model for the utility model is described.
Fig. 1 is the plan view of Earrings type sensor before and after hydraulic cylinder external of the present utility model; Fig. 2 is the sectional view of Earrings type sensor construction before and after hydraulic cylinder external of the present utility model; Fig. 3 is the enlarged view of A portion in Fig. 2; Fig. 4 is the structural perspective of oil hydraulic cylinder of the present utility model.As shown in Figures 1 to 4, before and after hydraulic cylinder external of the present utility model, Earrings type sensor construction, is parallel to oil hydraulic cylinder and is arranged at oil hydraulic cylinder outside, comprises the sensor cylinder bottom 7, sensor cylinder barrel 1 and the sensor cylinder head 2 that connect successively.
In sensor cylinder barrel 1, be provided with pick-up piston 4 and pick-up piston bar 3.On pick-up piston 4, be connected with displacement transducer 12.The rear end of pick-up piston bar 3 and pick-up piston 4 are threaded connection, and shaft shoulder location, tightens rear locking.Pick-up piston bar 3 stretches out in sensor cylinder head 2, and front end is provided with front earrings 11, and pick-up piston bar 3 is connected with hydraulic cylinder piston rod by front earrings 11.On sensor cylinder bottom 7, be provided with rear earrings 25, sensor cylinder bottom 7 is connected on cylinder bottoms of hydraulic cylinders by rear earrings 25.
Sensor cylinder head 2 adopts copper material.Sensor cylinder head 2 is socketed on pick-up piston bar 3, packs in sensor cylinder barrel 1, fastening with Cock screw 20.Dust ring 9 and O shape circle 10 are installed on sensor cylinder head 2.
Between pick-up piston 4 and sensor cylinder barrel 1, with guidance tape 8, lead.First positioning ring 21, magnet ring 22 use spring washers 23, screw 24 are fixed on pick-up piston 4, then guidance tape 8 are contained on pick-up piston 4.
Joint shaft bearing 13 is contained on front earrings 11 and rear earrings 25 by circlip 14 and lubricating cup 16.On sensor cylinder bottom, be provided with nylon cable water joint 18 and mini-type muffler 19, by mini-type muffler 19, communicate with atmosphere.
Before and after hydraulic cylinder external of the present utility model, the working principle of Earrings type sensor is:
Hydraulic coupling is stretched out hydraulic cylinder piston rod, and hydraulic cylinder piston rod drives pick-up piston bar synchronously to stretch out by mechanical connection.Sensor detects oil hydraulic cylinder change in displacement output signal.
Claims (6)
1. an Earrings type sensor construction before and after hydraulic cylinder external, is characterized in that: this sensor construction is parallel to oil hydraulic cylinder and is arranged at oil hydraulic cylinder outside, comprises the sensor cylinder bottom (7), sensor cylinder barrel (1) and the sensor cylinder head (2) that connect successively; In sensor cylinder barrel (1), be provided with pick-up piston (4) and pick-up piston bar (3), on pick-up piston (4), be connected with displacement transducer (12), the rear end of pick-up piston bar (3) is connected with pick-up piston (4), pick-up piston bar (3) stretches out in sensor cylinder head (2), front end is provided with front earrings (11), and pick-up piston bar (3) is connected with hydraulic cylinder piston rod by front earrings (11); On sensor cylinder bottom (7), be provided with rear earrings (25), sensor cylinder bottom (7) is connected on cylinder bottoms of hydraulic cylinders by rear earrings (25).
2. Earrings type sensor construction before and after hydraulic cylinder external according to claim 1, is characterized in that: between pick-up piston (4) and sensor cylinder barrel (1), with guidance tape (8), lead.
3. Earrings type sensor construction before and after hydraulic cylinder external according to claim 1, is characterized in that: sensor cylinder head (2) adopts copper material.
4. Earrings type sensor construction before and after hydraulic cylinder external according to claim 1, it is characterized in that: on sensor cylinder bottom (7), be provided with nylon cable water joint (18) and mini-type muffler (19), by mini-type muffler (19), communicate with atmosphere.
5. Earrings type sensor construction before and after hydraulic cylinder external according to claim 1, is characterized in that: pick-up piston bar (3) is threaded connection with pick-up piston (4).
6. Earrings type sensor construction before and after hydraulic cylinder external according to claim 1, is characterized in that: on front earrings (11) and rear earrings (25), joint shaft bearing (13) is all installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552602.9U CN203463416U (en) | 2013-09-06 | 2013-09-06 | External front-and-rear-earring type sensor structure of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552602.9U CN203463416U (en) | 2013-09-06 | 2013-09-06 | External front-and-rear-earring type sensor structure of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463416U true CN203463416U (en) | 2014-03-05 |
Family
ID=50175783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552602.9U Expired - Fee Related CN203463416U (en) | 2013-09-06 | 2013-09-06 | External front-and-rear-earring type sensor structure of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236229A (en) * | 2021-06-29 | 2021-08-10 | 中煤科工集团重庆研究院有限公司 | Device and method for measuring displacement of power head of drilling machine |
| CN114776664A (en) * | 2022-03-15 | 2022-07-22 | 江苏徐工工程机械研究院有限公司 | Piston rod extension amount detection device and method |
-
2013
- 2013-09-06 CN CN201320552602.9U patent/CN203463416U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236229A (en) * | 2021-06-29 | 2021-08-10 | 中煤科工集团重庆研究院有限公司 | Device and method for measuring displacement of power head of drilling machine |
| CN114776664A (en) * | 2022-03-15 | 2022-07-22 | 江苏徐工工程机械研究院有限公司 | Piston rod extension amount detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20160906 |