CN208751853U - One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs - Google Patents
One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs Download PDFInfo
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- CN208751853U CN208751853U CN201821606840.2U CN201821606840U CN208751853U CN 208751853 U CN208751853 U CN 208751853U CN 201821606840 U CN201821606840 U CN 201821606840U CN 208751853 U CN208751853 U CN 208751853U
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Abstract
It touches that power of rubbing is measurable pneumatically to touch the device that rubs the utility model discloses one kind, including touches the system of rubbing and pneumatic system.Touching the system of rubbing includes touching rub cylinder and piston rod.Cylinder one end of rubbing is touched equipped with cylinder block, the other end is equipped with cylinder head.One end of piston rod connects piston, other end installation is internal to touch the head that rubs containing force snesor, it touches and is equipped with cylinder middle cover in the cylinder that rubs, to which cylinder energy-storing chamber, plunger shaft and rod end chamber will be divided into cylinder, cylinder block is equipped with the air inlet/outlet for leading to cylinder energy-storing chamber, and cylinder head is equipped with the air inlet/outlet for leading to rod end chamber.Touching the head that rubs and touching situation of rubbing according to difference has different shape, unlike material.Pneumatic system is envelope formula solenoid directional control valve in a 3 position-5 way.The utility model may be implemented simulation height last item occur single-point touch rub, partial rub, while the material for touching the head that rubs can be replaced, study and touch feature of rubbing under unlike material.Originally touch rub apparatus structure and installation maintenance it is simple, adjust be easy, high reliablity, long service life.
Description
Technical field
The utility model belongs to rotating machinery fault modelling technique field more particularly to one kind touches the measurable gas of power of rubbing
It is dynamic to touch the system of rubbing.
Background technique
For high-speed rotating machine, in steam turbine and aero-engine, between rotor and sleeve to touch the accident of rubbing frequent
Occur, be always that a depth is interesting issue, touches to rub and machine high vibration, abrasion is caused even to destroy.Therefore, analysis rotation
Mechanical rotor-stator rubbing failure mechanism extracts fault signature, and the fault diagnosis of rubbing of crashing is of great significance.Due to the complexity of problem
Property, many scholars are just seeking better analysis tool more to have to describe fault signature.
Existing rubbing test device is made of friction screw and securing bracket mostly, the distance by adjusting bolt and shaft
Realize impact-rub malfunction, structure is simple, and function is relatively simple, can only realize that a kind of one kind of material touches the form of rubbing, and not
The size for touching power of rubbing can directly be measured.So existing rotor rubbing test device is difficult to meet the requirement of experiment and scientific research.
Utility model content
For the prior art, the utility model provides one kind and touches that power of rubbing is measurable pneumatically to touch rub device and its control method,
May be implemented simulation height last item occur single-point touch rub, partial rub, while the material for touching the head that rubs can be replaced, study different materials
Feature of rubbing is touched under matter.The utility model touch rub apparatus structure and installation maintenance it is simple, adjust be easy, high reliablity uses the longevity
Life length.
In order to solve the above-mentioned technical problem, the utility model proposes one kind touch that power of rubbing is measurable pneumatically to touch the device that rubs, packet
It includes and touches the system of rubbing and pneumatic system；The system of rubbing of touching includes touching rub cylinder and piston rod, and described one end for touching the cylinder that rubs is equipped with
Cylinder block, the other end for touching the cylinder that rubs be equipped with cylinder head, one end of the piston rod be located at touch the piston to rub in cylinder
It is connected, the other end of the piston rod extend out to the outer end for touching the cylinder that rubs and be equipped with from cylinder head touches the head that rubs, and described touch is rubbed
Force sensor is installed on head；It is described to touch in the cylinder that rubs, be equipped with cylinder middle cover between the piston and cylinder block, it is described
It is cylinder energy-storing chamber between cylinder middle cover and cylinder block, is plunger shaft, the piston between the cylinder middle cover and the piston
It is rod end chamber between cylinder head；The cylinder block passes in and out gas equipped with the cylinder first that rubs that touches for leading to the cylinder energy-storing chamber
Mouthful, the cylinder head is equipped with the second air inlet/outlet of cylinder that rubs that touches for leading to the rod end chamber, and the cylinder middle cover is equipped with
Through the cylinder middle cover nozzle of cylinder energy-storing chamber and plunger shaft, the cylinder middle cover is equipped with the middle cover row for leading to the plunger shaft
Stomata；The pneumatic system is envelope formula solenoid directional control valve in a 3 position-5 way, seals formula solenoid directional control valve in the 3 position-5 way
In include two solenoid valve electromagnetic coils, envelope formula solenoid directional control valve includes electromagnetic coil K1, electromagnetic coil in the 3 position-5 way
K2 and five interface, five interfaces include cylinder port A, cylinder port B, air inlet P, exhaust outlet S and exhaust outlet R.
In the utility model, the head that rubs that touches is that arc touches and rubs head or circle touches the head that rubs.
The piston rod is connected with described touch between the head that rubs for screw thread.
The force snesor and described touch between the head that rubs are fixed by self-locking nut.
In the utility model can configured with multiple materials it is different touch the head that rubs.
Compared with prior art, the utility model has the advantages that:
(1) the utility model touches that power of rubbing is measurable pneumatically to touch the device that rubs, can touching configured with the manufacture of multiple and different materials
Rub head, touches head position of rubbing and is equipped with force snesor, can measure to touch and touch power of rubbing when rubbing, and touches rub head and piston rod and passes through screw thread company
It connects, it is easier to which the head that rubs is touched in replacement, while touching the head that rubs and can be round and arc-shaped, single-point may be implemented touches to rub and partial rub.
(2) the utility model passes through envelope formula solenoid directional control valve control in 3 position-5 way, it is easier to control touch rub it is each
Kind situation.
Detailed description of the invention
Fig. 1 is the structure schematic diagram that the utility model pneumatically touches the device that rubs；
Fig. 2 is the pneumatic system schematic diagram that the utility model pneumatically touches the device that rubs；
Fig. 3-1 is that the utility model pneumatically touches the round simplified schematic diagram for touching the head that rubs in the device that rubs；
Fig. 3-2 is the simplified schematic diagram that the utility model pneumatically touches that arc in the device that rubs touches the head that rubs；
Fig. 4 is that the fixed structure schematic diagram used when rubbing device is pneumatically touched using the utility model.
In figure: 1- touches the cylinder that rubs, 2- cylinder energy-storing chamber, 3- cylinder middle cover, 4- cylinder middle cover nozzle, 5- rod end chamber, 6-
Piston rod, 7- self-locking nut, 8- force snesor, 9- touch the head that rubs, and 10- touches the second air inlet/outlet of cylinder that rubs, 11- plunger shaft, in 12-
Lid gas vent, 13- touch the first air inlet/outlet of cylinder that rubs, 14- gas source, 15- solenoid valve electromagnetic coil, seal formula in 16- 3 position-5 way
Solenoid directional control valve, 17- circle touch the head that rubs, and 18- arc touches the head that rubs, 19- fixed frame, 20- bolt hole, 21- screw rod, 22- fixation hole.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, it is described
Specific embodiment is only explained the utility model, is not intended to limit the utility model.
The utility model proposes one kind touch that power of rubbing is measurable pneumatically to touch the device that rubs, including touch the system of rubbing and pneumatic system.
As shown in Figure 1, the system of rubbing of touching includes touching rub cylinder 1 and piston rod 6, described one end for touching the cylinder 1 that rubs is equipped with
Cylinder block, the other end for touching the cylinder 1 that rubs be equipped with cylinder head, one end of the piston rod 6 be located at touch the work to rub in cylinder 1
Plug is connected, and the other end of the piston rod 6, which from cylinder head extend out to the outer end for touching the cylinder 1 that rubs and being equipped with and touches, rubs first 9, institute
State piston rod 6 with it is described touch to rub be connected between first 9 for screw thread.It is described touch to rub force sensor 8 is installed on first 9, the power sensing
Device 8 and it is described touch rub it is fixed by self-locking nut 7 between first 9.It is described to touch in the cylinder 1 that rubs, be located at the piston and cylinder block
Between be equipped with cylinder middle cover 3, between the cylinder middle cover 3 and cylinder block be cylinder energy-storing chamber 2, the cylinder middle cover 3 with it is described
It is plunger shaft 11 between piston, is rod end chamber 5 between the piston and cylinder head；The cylinder block, which is equipped with, leads to the gas
Cylinder energy-storing chamber 2 touches the first air inlet/outlet of cylinder 13 that rubs, the cylinder head be equipped with lead to the rod end chamber 5 touch the cylinder that rubs
Second air inlet/outlet 10, the cylinder middle cover 3 are equipped with the cylinder middle cover nozzle 4 through cylinder energy-storing chamber 2 and plunger shaft 11, institute
It states cylinder middle cover 3 and is equipped with the middle cover gas vent 12 for leading to the plunger shaft 11；
As shown in Fig. 2, the pneumatic system is to seal formula solenoid directional control valve 16 in a 3 position-5 way, in the 3 position-5 way
It include two solenoid valve electromagnetic coils 15 in envelope formula solenoid directional control valve 16, envelope formula solenoid directional control valve 16 includes in the 3 position-5 way
Electromagnetic coil K1, electromagnetic coil K2 and five interfaces, five interfaces include cylinder port A, cylinder port B, air inlet P, exhaust outlet S and
Exhaust outlet R.
The utility model touches the measurable control method for pneumatically touching the device that rubs of power of rubbing, and mainly exports pulse by computer
Electromagnetic coil K1 and electromagnetic coil K2 are changed in signal control, make to seal formula solenoid directional control valve control loop pneumatic circuit side in 3 position-5 way
To；Control process is as follows:
It touches that power of rubbing is measurable pneumatically to touch when rubbing device using the utility model, it is passed through to the bolt hole at 19 both ends of fixed frame
20 are fixed on casing, and allow and touch that power of rubbing is measurable pneumatically to touch fixation hole 22 of the device among fixed frame 19 that rub, and pass through
Adjusting screw rod 21 will touch that power of rubbing is measurable pneumatically to touch the device that rubs and be connected on the fixed frame 19, as shown in Figure 4.
When powering on, air compressor work, by pipeline by gas source it is defeated into 3 position-5 way seal formula solenoid directional control valve
16, touch that power of rubbing is measurable pneumatically to touch the device that rubs and automatically control by computer output pulse signal；By pulse signal control three
Envelope formula solenoid directional control valves 16 during position five is logical, in electromagnetic coil K1 and electromagnetic coil K2, keep reversing solenoid valve control loop pneumatic
Circuit direction is realized and touches the process control that rubs to pneumatically touch the device that rubs.
When computer exports high level, electromagnetic coil K1 obtains electric, electromagnetic coil K2 power loss；Formula electromagnetism is sealed in 3 position-5 way
The spool of reversal valve is moved to the end electromagnetic coil K1, and the compressed air from gas source enters through air inlet P, inside reversal valve
To cylinder port A, compressed gas passes through the first air inlet/outlet of cylinder 13 that rubs that touches being connected to cylinder port A and enters cylinder energy-storing chamber 2；Cylinder
Pressure in energy-storing chamber 2 gradually rises, and can overcome when pressure is raised to the gross thrust acted on 4 area of cylinder middle cover nozzle
When the drag overall of rod end chamber 5, piston rod 6 is drawn back, and cylinder middle cover nozzle 4 is opened, the compression being gathered in cylinder energy-storing chamber 2
Air acts on the upper of piston by cylinder middle cover nozzle 4, gives the thrust that piston rod 6 is drawn back；Piston rod 6 is with touching at this time
It rubs and first 9 moves together；In pneumatic circuit, the gas touched in the rod end chamber 5 for the cylinder 1 that rubs is by touching the second air inlet/outlet of cylinder that rubs
10 are discharged to the cylinder port B of reversal valve, by exporting inside reversal valve from exhaust outlet S.
Piston rod 6 with touch rub it is first 9 retreat rub until being touched with rotor (or disk, turbine, impeller) when, pass through power
Sensor 8 acquires the signal for touching power of rubbing, at this point, passing through computer not outputs level signals, electromagnetic coil K1 and electromagnetic coil K2
Equal power loss, valve core of the electromagnetic valve return to middle position, and five interfaces of solenoid valve are all closed, and touch the sky for piston two sides of rubbing
Gas is closed, and is fixed on piston on current position, piston stop motion；During this period of time, rub first 9 and rotor are touched
(disk, turbine, impeller), which occurs continuously to touch, to rub, and the signal for touching power of rubbing is acquired by force snesor 8.
It touches and rubs when completing, computer is made to export low level, electromagnetic coil K2 obtains electric, electromagnetic coil K1 power loss, solenoid valve valve
Core is moved to the end electromagnetic coil K2, and the compressed air from gas source enters through electromagnetic valve air inlet P, by arriving electricity inside solenoid valve
Magnet valve cylinder port B, compressed gas are touched the second air inlet/outlet of cylinder 10 that rubs and enter rod end chamber 5, the pressure in rod end chamber 5 by
Edge up height, and when pressure is raised to the drag overall that can overcome plunger shaft 11, piston rod 6 travels forward, until piston rod 6 returns to beginning
Position, at this point, the gas in plunger shaft 11 is discharged by middle cover gas vent 12.Electromagnetic coil K2 obtains electric, electromagnetic coil K1 power loss
When, since cylinder middle cover nozzle 4 is to close, so gas is directly discharged from middle cover gas vent 12, without being arranged by exhaust outlet R
Out.
Rub and partial rub to realize that single-point touches, it is described touch to rub first 9 can be arc and touch and rub first 18, as shown in figure 3-2,
It is also possible to circle and touches rub first 17, as shown in figure 3-1.In the utility model, in order to configured with multiple materials it is different touch the head that rubs
9。
Rub first 9 and rotor rubbing are touched in the drive of piston rod 6, can replace different shape and material according to different requirements,
Touch the head that rubs.Circle, which touches to rub, first 17 can realize that single-point be touched with high pressure rotor and low pressure rotor respectively and rub that arc touches first 18 difference of rubbing
Partial rub can be realized with high pressure rotor and low pressure rotor.
Touching to rub and first 9 going to touch and rub for unlike material is selected, obtains different touching feature of rubbing.It is recommended that touching the material for first 9 selection that rubs
Hardness is lower than rotor material, if rotor is stainless steel material manufacture, touching first 9 material of rubbing can choose copper, aluminium alloy and work
Engineering plastics etc..
To sum up, provided by the utility model to touch the device that rubs, it rotating machinery can be simulated touches and rub, it is easy for installation, it can
To realize multiple functions, solves the unicity problem of rubbing test device in the prior art, while can flexibly dismantle.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific embodiment, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, in the case where not departing from the utility model aims, can also make many variations, this
It belongs within the protection of the utility model a bit.
Claims (5)
1. one kind is touched, power of rubbing is measurable pneumatically to touch the device that rubs, which is characterized in that including touching the system of rubbing and pneumatic system；
The system of rubbing of touching includes touching the cylinder that rubs (1) and piston rod (6), and described one end for touching the cylinder that rubs (1) is equipped with cylinder block, institute
The other end for touching the cylinder that rubs (1) is stated equipped with cylinder head, one end of the piston rod (6) and positioned at the piston touched in the cylinder that rubs (1)
It is connected, the other end of the piston rod (6) extend out to the outer end for touching the cylinder that rubs (1) and be equipped with from cylinder head touches the head that rubs
(9), described to touch installation force sensor (8) on the head that rubs (9)；It is described to touch in the cylinder that rubs (1), be located at the piston and cylinder block
Between be equipped with cylinder middle cover (3), between the cylinder middle cover (3) and cylinder block be cylinder energy-storing chamber (2), the cylinder middle cover
It (3) is plunger shaft (11) to be rod end chamber (5) between the piston between the piston and cylinder head；On the cylinder block
Equipped with the first air inlet/outlet of cylinder (13) that rubs that touches for leading to the cylinder energy-storing chamber (2), the cylinder head is described equipped with leading to
Rod end chamber (5) touches the second air inlet/outlet of cylinder (10) that rubs, and the cylinder middle cover (3), which is equipped with, runs through cylinder energy-storing chamber (2)
With the cylinder middle cover nozzle (4) of plunger shaft (11), the cylinder middle cover (3) is equipped with the middle cover row for leading to the plunger shaft (11)
Stomata (12)；
The pneumatic system is envelope formula solenoid directional control valve (16) in a 3 position-5 way；
Seal in the 3 position-5 way includes two solenoid valve electromagnetic coils (15), the 3 position-5 way in formula solenoid directional control valve (16)
Middle envelope formula solenoid directional control valve (16) includes electromagnetic coil K1, electromagnetic coil K2 and five interfaces, five interfaces include cylinder port A,
Cylinder port B, air inlet P, exhaust outlet S and exhaust outlet R.
2. touching according to claim 1, power of rubbing is measurable pneumatically to touch the device that rubs, which is characterized in that described the touch head that rubs (9) are arc
Shape, which is touched, rubs head or circle touches the head that rubs.
3. touching according to claim 1, power of rubbing is measurable pneumatically to touch the device that rubs, which is characterized in that the piston rod (6) and institute
It states to touch between the head that rubs (9) and be connected for screw thread.
4. touching according to claim 1, power of rubbing is measurable pneumatically to touch the device that rubs, which is characterized in that the force snesor (8) with
Described touch between the head that rubs (9) is fixed by self-locking nut (7).
5. touching according to claim 1, power of rubbing is measurable pneumatically to touch the device that rubs, which is characterized in that different configured with multiple materials
Touch the head that rubs (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606840.2U CN208751853U (en) | 2018-09-29 | 2018-09-29 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606840.2U CN208751853U (en) | 2018-09-29 | 2018-09-29 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
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| Publication Number | Publication Date |
|---|---|
| CN208751853U true CN208751853U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821606840.2U Active CN208751853U (en) | 2018-09-29 | 2018-09-29 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238679A (en) * | 2018-09-29 | 2019-01-18 | 天津大学 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
| CN111811766A (en) * | 2020-07-13 | 2020-10-23 | 姜春林 | Double-cabin capture type heat flow simulation test system |
-
2018
- 2018-09-29 CN CN201821606840.2U patent/CN208751853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238679A (en) * | 2018-09-29 | 2019-01-18 | 天津大学 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
| CN111811766A (en) * | 2020-07-13 | 2020-10-23 | 姜春林 | Double-cabin capture type heat flow simulation test system |
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