CN202251247U - Hydraulic cylinder with displacement sensor for shield machine - Google Patents
Hydraulic cylinder with displacement sensor for shield machine Download PDFInfo
- Publication number
- CN202251247U CN202251247U CN 201120340730 CN201120340730U CN202251247U CN 202251247 U CN202251247 U CN 202251247U CN 201120340730 CN201120340730 CN 201120340730 CN 201120340730 U CN201120340730 U CN 201120340730U CN 202251247 U CN202251247 U CN 202251247U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- displacement transducer
- oil hydraulic
- cylinder body
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic cylinder with a displacement sensor for a shield machine. The hydraulic cylinder disclosed by the utility model comprises the displacement sensor and a hydraulic cylinder, wherein the hydraulic cylinder comprises a cylinder body, a piston, a piston rod and a back earring; the displacement sensor is in threaded connection with the cylinder body and is fastened on the cylinder body through a nut arranged on the displacement sensor; a tail fixing rod of the displacement sensor is arranged in a mounting hole arranged in the piston rod; an electrical connector arranged on the head of the displacement sensor is arranged in a reserved hole arranged on the back earring; the interior of the piston rod is provided with a magnet ring; and the magnet ring is sleeved on the outside of the fixing rod, and relative motion can be realized between the fixing rod and the magnet ring. For the hydraulic cylinder, the displacement sensor is installed from the interior of the hydraulic cylinder without drilling a through hole on the earring, so as not to influence the strength of the earring and the normal operation of the hydraulic cylinder. The hydraulic cylinder provided by the utility model has the advantages that failure is not easy to occur and the action displacement display of the hydraulic cylinder is accurate.
Description
Technical field
The utility model relates to a kind of shield machine and uses hydraulic equipment, relates in particular to a kind of shield machine that displacement transducer is housed and uses oil hydraulic cylinder.
Background technique
Shield machine adopts hydraulic propelling system usually, between the shield body of shield machine and backing, is hinged with oil hydraulic cylinder, (as shown in Figure 1); The general displacement transducer of can in oil hydraulic cylinder, packing into, in order to show the action displacement of oil hydraulic cylinder, displacement transducer comprises electrical connector and connected screw rod and the hexagon nut that afterbody fixing rod, head are provided with; Hinged oil hydraulic cylinder comprises cylinder body, and the piston and the piston rod of cylinder interior setting, and wherein piston rod one end connects piston; The other end is provided with preceding earrings; Cylinder base is provided with the back earrings, usually the back earrings is drilled through the hole vertically, and the outside of displacement transducer earrings from the back is inserted; So just reduced the intensity of back earrings; Make earrings usually damage, thereby influence the proper functioning of shield machine oil hydraulic cylinder, can not reach the purpose that shows the action displacement of oil hydraulic cylinder with displacement transducer.
The model utility content
The purpose of the utility model is to solve traditional shield machine and is prone to oil hydraulic cylinder cisco unity malfunction and the problem that can not show the oil hydraulic cylinder action displacement after with the displacement transducer of packing in the oil hydraulic cylinder; Provide a kind of shield machine that displacement transducer is housed to use oil hydraulic cylinder, it has not that easy break-down and oil hydraulic cylinder action displacement show advantage accurately.
The purpose of the utility model is to realize through following technological scheme:
A kind of shield machine that displacement transducer is housed is used oil hydraulic cylinder; Comprise displacement transducer and oil hydraulic cylinder, oil hydraulic cylinder comprises cylinder body, piston, piston rod, back earrings, and said displacement transducer and said cylinder body are through being threaded; And it is fastening through the nut and the said cylinder body that are provided with on it; The afterbody fixing rod of said displacement transducer places the mounting hole of said piston rod set inside, and the electrical connector of said displacement transducer head setting places the preformed hole that is provided with on the earrings of said back, magnet ring of said piston rod set inside; Said magnet ring is enclosed within the fixing rod outside, but and relative movement between fixing rod and the magnet ring.
The inner mounting hole of said piston rod is arranged on its central position.
Said cylinder base is offered a tapped hole and a nut preformed groove; Said back earrings is provided with the preformed hole of electrical connector; And said tapped hole is connected with said preformed hole; The electrical connector of said displacement transducer head setting passes the bottom of cylinder body and places said preformed hole, and said nut places said nut preformed groove, and said displacement transducer and said cylinder body are fastening through said nut.
The junction point of said nut and said cylinder body is provided with seal ring.
The junction point of said magnet ring and said piston rod is provided with back-up ring.
The beneficial effect of the utility model is: the described oil hydraulic cylinder of the utility model adopts the displacement transducer of packing into from its inside; And displacement transducer and said cylinder body are through being threaded; And fastening through the nut and the cylinder body that are provided with on the displacement transducer, make the afterbody fixing rod of displacement transducer be arranged in the mounting hole of piston rod, the electrical connector of head setting is arranged in the preformed hole that is provided with on the earrings of back; And in the piston rod internal fixation bar outside a sheathed magnet ring; But magnet ring and fixing rod relative movement when piston and piston rod movement, produce relative movement between magnet ring and the fixing rod; Through electrical connector signal is exported, can be learnt the action displacement of oil hydraulic cylinder.Contrast existing technology, this oil hydraulic cylinder, adopt and pack into internally during displacement sensor in the installation position; Need not on earrings, to drill through the hole; Can not influence the intensity of earrings, can not influence the proper functioning of oil hydraulic cylinder, having not, easy break-down and oil hydraulic cylinder action displacement show advantage accurately.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is the described scheme of installation that the shield machine of displacement transducer is housed with oil hydraulic cylinder of the utility model.
Fig. 2 is the structural representation of the oil hydraulic cylinder shown in Fig. 1.
Among the figure:
1, displacement transducer; 2, oil hydraulic cylinder; 3, cylinder body; 4, piston; 5, piston rod; 6, back earrings; 7, fixing rod; 8, electrical connector; 9, preformed hole; 10, magnet ring; 11, nut; 12 electrical wirings; 13, shield body; 14, backing.
Embodiment
In Fig. 1～2 illustrated embodiments; The described shield machine that displacement transducer is housed of the utility model is used oil hydraulic cylinder; Oil hydraulic cylinder 2 is hinged between the shield body 13 and backing 14 of shield machine, and oil hydraulic cylinder 2 comprises the back earrings 6 that cylinder body 3, cylinder body 3 bottoms be provided with, the piston 4 and the connected piston rod 5 of cylinder body 3 set inside, and displacement transducer 1 comprises electrical connector 8 and connected screw rod and the nut 11 that aft mounted fixing rod 7, head are provided with; Back earrings 6 is provided with preformed hole 9; Cylinder body 3 bottoms have a tapped hole and a nut preformed groove, and preformed hole 9 is communicated with tapped hole, and the inside center position of piston rod 5 is provided with the mounting hole of displacement transducer 1.
During installation, at first piston 4 and piston rod 5 taken out, the head of displacement transducer 1 is inserted the tapped hole that cylinder body 3 bottoms are offered; Make electrical connector 8 pass cylinder body 3 bottoms; Place preformed hole 9, screw rod is placed in the tapped hole, and is fastening through nut 11 and cylinder body 3; And seal ring is set at the junction point of nut 11 and cylinder body 3, make fastening more effective; At magnet ring 10 of piston rod 5 set inside, magnet ring 10 is provided with back-up ring with piston rod 5 junction points; Reinstall piston 4 and piston rod 5, make fixing rod 7 place mounting hole, and magnet ring 10 is enclosed within fixing rod 7 outsides; But relative movement each other when piston 4 and piston rod 5 motions, produces relative movement between magnet ring 10 and the fixing rod 7; With signal output, can learn the action displacement of oil hydraulic cylinder 2 through electrical connector 8 and electrical wiring 12, this oil hydraulic cylinder 2 is in the installation position during displacement sensor 1; Adopt and pack into internally, need not on earrings, to drill through the hole, can not influence the intensity of earrings; Can not influence the proper functioning of oil hydraulic cylinder 2, having not, easy break-down and oil hydraulic cylinder action displacement show advantage accurately.
Claims (5)
1. the shield machine that displacement transducer is housed is used oil hydraulic cylinder; Comprise displacement transducer (1) and oil hydraulic cylinder (2); Oil hydraulic cylinder (2) comprises cylinder body (3), piston (4), piston rod (5), back earrings (6); It is characterized in that: said displacement transducer (1) and said cylinder body (3) are through being threaded, and it is fastening to go up the nut (11) and the said cylinder body (3) that are provided with through it, and the afterbody fixing rod (7) of said displacement transducer (1) places the mounting hole of said piston rod (5) set inside; The electrical connector (8) that said displacement transducer (1) head is provided with places said back earrings (6) to go up the preformed hole (9) that is provided with; Said piston rod (a 5) magnet ring of set inside (10), said magnet ring (10) are enclosed within fixing rod (7) outside, and fixing rod (7) and magnet ring (10) but between relative movement.
2. the shield machine that displacement transducer is housed according to claim 1 is used oil hydraulic cylinder, it is characterized in that: the inner mounting hole of said piston rod (5) is arranged on its central position.
3. the shield machine that displacement transducer is housed according to claim 1 is used oil hydraulic cylinder; It is characterized in that: a tapped hole and a nut preformed groove are offered in said cylinder body (3) bottom; Said back earrings (6) is provided with the preformed hole (9) of electrical connector (8); And said tapped hole is connected with said preformed hole (9); The electrical connector (8) that said displacement transducer (1) head is provided with passes the bottom of cylinder body (3) and places said preformed hole (9), and said nut (11) places said nut preformed groove, and said displacement transducer (1) is fastening through said nut (11) with said cylinder body (3).
4. use oil hydraulic cylinder according to claim 1 or the 3 described shield machines that displacement transducer is housed, it is characterized in that: said nut (11) is provided with seal ring with the junction point of said cylinder body (3).
5. the shield machine that displacement transducer is housed according to claim 1 is used oil hydraulic cylinder, it is characterized in that: said magnet ring (10) is provided with back-up ring with the junction point of said piston rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120340730 CN202251247U (en) | 2011-09-13 | 2011-09-13 | Hydraulic cylinder with displacement sensor for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120340730 CN202251247U (en) | 2011-09-13 | 2011-09-13 | Hydraulic cylinder with displacement sensor for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251247U true CN202251247U (en) | 2012-05-30 |
Family
ID=46112497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120340730 Expired - Fee Related CN202251247U (en) | 2011-09-13 | 2011-09-13 | Hydraulic cylinder with displacement sensor for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562706A (en) * | 2012-02-23 | 2012-07-11 | 无锡亿利大机械有限公司 | Integrated servo cylinder |
-
2011
- 2011-09-13 CN CN 201120340730 patent/CN202251247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562706A (en) * | 2012-02-23 | 2012-07-11 | 无锡亿利大机械有限公司 | Integrated servo cylinder |
| CN102562706B (en) * | 2012-02-23 | 2015-02-04 | 无锡亿利大机械有限公司 | Integrated servo cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20151223 Granted publication date: 20120530 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160623 Granted publication date: 20120530 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150913 |