CN207004979U - A kind of hollow piston rod cylinder that can monitor absolute position in real time - Google Patents
A kind of hollow piston rod cylinder that can monitor absolute position in real time Download PDFInfo
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- CN207004979U CN207004979U CN201720930627.6U CN201720930627U CN207004979U CN 207004979 U CN207004979 U CN 207004979U CN 201720930627 U CN201720930627 U CN 201720930627U CN 207004979 U CN207004979 U CN 207004979U
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- piston rod
- tailstock
- piston
- guide pillar
- real time
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Abstract
The utility model discloses a kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod, headstock, cylinder body and tailstock, piston rod is hollow structure, headstock, tailstock are fixedly connected with cylinder body, tailstock includes tailstock pedestal and guide pillar, and guide pillar is located in the hollow structure of piston rod, and one end that piston rod is located at tailstock pedestal is connected with piston, guide post surface is provided with sensing device, and reflection unit is provided with piston；The utility model has advantages below：Small volume, monitoring absolute positional accuracy is high, good reliability, service life length, and upper electricity does not need check for zero every time.
Description
Technical field
It the utility model is related to a kind of hollow piston rod cylinder that can monitor absolute position in real time.
Background technology
The structure that tradition can survey position cylinder includes solid piston bar, and the measurement installed in cylinder head or afterbody
Module, cylinder stroke is read by measuring the relative position of piston or the length of piston rod.This can cause cylinder volume ratio
It is larger, and the zero point measured is relative, is required for again back to zero to proofread after power-off every time, for some occasions, for example, it is strong
Body occasion, it is just inapplicable.
Utility model content
The purpose of this utility model, it is to overcome above-mentioned limitation, so as to provide small volume, using real-time monitoring absolute position
Mode, solve the hollow piston rod cylinder that can monitor absolute position in real time for the defects of upper electricity is required for school zero every time.
The purpose of this utility model is achieved through the following technical solutions：A kind of hollow work that can monitor absolute position in real time
Stopper rod cylinder, including piston rod, headstock, cylinder body and tailstock, piston rod are hollow structure, and headstock, tailstock are fixedly connected with cylinder body,
Tailstock includes tailstock pedestal and guide pillar, and guide pillar is located in the hollow structure of piston rod, and one end that piston rod is located at tailstock pedestal connects
Piston is connected to, guide post surface is provided with sensing device, is provided with reflection unit in piston, sensing device contacts all the time with reflection unit
's.
Preferably, sensing device is the resistance diaphragm for being arranged on guide pillar two sides, and reflection unit is to be arranged on piston tail part
The Ohmic contact head in portion.
A kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod, headstock, cylinder body and tailstock, it is living
Stopper rod is hollow structure, and headstock, tailstock are fixedly connected with cylinder body, and tailstock includes tailstock pedestal and guide pillar, and guide pillar is located at piston rod
Hollow structure in, one end that piston rod is located at tailstock pedestal is connected with piston, and guide post surface is provided with sensing device, set in piston
There is reflection unit, sensing device does not contact with reflection unit.
Preferably, sensing device is the magneto strictive sensor being arranged on guide pillar, and reflection unit is to be arranged on piston
The magnetic rings of afterbody.
Preferably, sensing device is the Hall sensor being arranged on guide pillar, and reflection unit is to be arranged on internal piston
Magnetic substance layer.
Preferably, sensing device is the grating sensor being arranged on guide pillar, and reflection unit is to be arranged on piston tail
Reflecting plate.
A kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod, headstock, cylinder body and tailstock, institute
State headstock, tailstock is fixedly connected with cylinder body, one end that piston rod is located at tailstock pedestal is connected with piston, and piston tail is provided with reflection
Coating, tailstock pedestal are provided with transmitting and receiving module.
In summary, the utility model has advantages below：Small volume, monitoring absolute positional accuracy is high, good reliability, makes
With long lifespan, above electricity does not need check for zero every time.
Brief description of the drawings
Fig. 1 is profile of the present utility model；
Fig. 2-6 is the profile of the utility model other embodiment；
Label in figure：1- piston rods, 2- headstocks, 3- cylinder bodies, 4- tailstocks, 5- tailstocks pedestal, 6- guide pillars, 7- pistons, 8- electricity
Hinder diaphragm, 9- Ohmic contacts head, 10- Hall sensors, 11- magnetic substance layers, 12- grating sensors, 13- reflecting plates, 14- hairs
Penetrate and receiving module, 15- magnetic rings, 16- magneto strictive sensors, 17- reflectance coatings.
Embodiment
In order to deepen to understanding of the present utility model, the utility model is made below in conjunction with embodiment and accompanying drawing further
It is described in detail, the embodiment is only used for explaining the utility model, does not form the restriction to scope of protection of the utility model.
The utility model provides a kind of hollow piston rod cylinder that can monitor absolute position in real time, as shown in figure 1, including living
Stopper rod 1, headstock 2, cylinder body 3 and tailstock 4, piston rod 1 are hollow structure, and headstock 2, tailstock 4 are fixedly connected with cylinder body 3, and tailstock 4 wraps
Tailstock pedestal 5 and guide pillar 6 are included, guide pillar 6 is located in the hollow structure of piston rod 1, and one end that piston rod 1 is located at tailstock pedestal 5 connects
Piston 7 is connected to, guide pillar 6 is provided with sensing device, is provided with reflection unit in piston 7, sensing device connects all the time with reflection unit
Tactile.
Embodiment 1：As shown in Fig. 2 sensing device is the resistance diaphragm 8 for being arranged on the two sides of guide pillar 6, reflection unit is to set
The Ohmic contact first 9 in the afterbody of piston 7 is put, in cylinder interior, Ohmic contact first 9 contacts all the time with resistance diaphragm 8, cylinder
During work, the different Resistance Value of different position correspondences, and also it is linear, will not be because of power-off, and change drag size.
Embodiment 2：As shown in figure 3, sensing device is the magneto strictive sensor 16 being arranged on guide pillar 6, reflection unit
To be arranged on the magnetic rings 15 of the afterbody of piston 7, cylinder activity can drive magnetic rings 15 to move, can by magneto strictive sensor 16
To read the position of cylinder.
Embodiment 3：As shown in figure 4, sensing device is the Hall sensor 10 being arranged on guide pillar 6, reflection unit is to set
The magnetic substance layer 11 inside piston 7 is put, cylinder piston can also equally be read by the feedback signal of Hall sensor 10
Position.
Embodiment 4：As shown in figure 5, sensing device is the grating sensor 12 being arranged on guide pillar 6, reflection unit is to set
The reflecting plate 13 in the afterbody of piston 7 is put, the position of cylinder is read by grating sensor 12.
Embodiment 5：As shown in fig. 6, a kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod 1,
Headstock 2, cylinder body 3 and tailstock 4, headstock 2, tailstock 4 are fixedly connected with cylinder body 3, and piston rod 1 is located at one end connection of tailstock pedestal 5
There is piston 7, the afterbody of piston 7 is provided with reflectance coating 17, and tailstock pedestal 5 is provided with transmitting and receiving module 14, i.e., using ultrasonic wave
Transmitting measures.
Claims (7)
1. a kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod（1）, headstock（2）, cylinder body（3）With
Tailstock（4）, it is characterised in that：The piston rod（1）For hollow structure, the headstock（2）, tailstock（4）With cylinder body（3）It is fixed to connect
Connect, the tailstock（4）Including tailstock pedestal（5）And guide pillar（6）, the guide pillar（6）Positioned at piston rod（1）Hollow structure in,
The piston rod（1）Positioned at tailstock pedestal（5）One end be connected with piston（7）, the guide pillar（6）It is provided with sensing device, institute
State piston（7）Interior to be provided with reflection unit, the sensing device contacts all the time with reflection unit.
A kind of 2. hollow piston rod cylinder that can monitor absolute position in real time according to claim 1, it is characterised in that：Institute
Sensing device is stated to be arranged on guide pillar（6）The resistance diaphragm of two sides（8）, the reflection unit is to be arranged on piston（7）Afterbody
Ohmic contact head（9）.
3. a kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod（1）, headstock（2）, cylinder body（3）With
Tailstock（4）, it is characterised in that：The piston rod（1）For hollow structure, the headstock（2）, tailstock（4）With cylinder body（3）It is fixed to connect
Connect, the tailstock（4）Including tailstock pedestal（5）And guide pillar（6）, the guide pillar（6）Positioned at piston rod（1）Hollow structure in,
The piston rod（1）Positioned at tailstock pedestal（5）One end be connected with piston（7）, the guide pillar（6）Surface is provided with sensing device,
The piston（7）Interior to be provided with reflection unit, the sensing device does not contact with reflection unit.
A kind of 4. hollow piston rod cylinder that can monitor absolute position in real time according to claim 3, it is characterised in that：Institute
Sensing device is stated to be arranged on guide pillar（6）On magneto strictive sensor（16）, the reflection unit is to be arranged on piston（7）Tail
The magnetic rings in portion（15）.
A kind of 5. hollow piston rod cylinder that can monitor absolute position in real time according to claim 3, it is characterised in that：Institute
Sensing device is stated to be arranged on guide pillar（6）On Hall sensor（10）, the reflection unit is to be arranged on piston（7）Internal
Magnetic substance layer（11）.
A kind of 6. hollow piston rod cylinder that can monitor absolute position in real time according to claim 3, it is characterised in that：Institute
Sensing device is stated to be arranged on guide pillar（6）On grating sensor（12）, the reflection unit is to be arranged on piston（7）Afterbody
Reflecting plate（13）.
7. a kind of hollow piston rod cylinder that can monitor absolute position in real time, including piston rod（1）, headstock（2）, cylinder body（3）With
Tailstock（4）, it is characterised in that：The headstock（2）, tailstock（4）With cylinder body（3）It is fixedly connected, the piston rod（1）Positioned at tailstock
Pedestal（5）One end be connected with piston（7）, the piston（7）Afterbody is provided with reflectance coating（17）, the tailstock pedestal（5）On
Provided with transmitting and receiving module（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930627.6U CN207004979U (en) | 2017-07-28 | 2017-07-28 | A kind of hollow piston rod cylinder that can monitor absolute position in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930627.6U CN207004979U (en) | 2017-07-28 | 2017-07-28 | A kind of hollow piston rod cylinder that can monitor absolute position in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004979U true CN207004979U (en) | 2018-02-13 |
Family
ID=61456215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930627.6U Active CN207004979U (en) | 2017-07-28 | 2017-07-28 | A kind of hollow piston rod cylinder that can monitor absolute position in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207004979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191432A (en) * | 2017-07-28 | 2017-09-22 | 南通铁人运动用品有限公司 | It is a kind of to monitor the hollow piston rod cylinder of absolute position in real time |
-
2017
- 2017-07-28 CN CN201720930627.6U patent/CN207004979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191432A (en) * | 2017-07-28 | 2017-09-22 | 南通铁人运动用品有限公司 | It is a kind of to monitor the hollow piston rod cylinder of absolute position in real time |
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