CN208872462U - A kind of fluid pressure type power calibrating installation and hydraulic loading device - Google Patents
A kind of fluid pressure type power calibrating installation and hydraulic loading device Download PDFInfo
- Publication number
- CN208872462U CN208872462U CN201821855399.1U CN201821855399U CN208872462U CN 208872462 U CN208872462 U CN 208872462U CN 201821855399 U CN201821855399 U CN 201821855399U CN 208872462 U CN208872462 U CN 208872462U
- Authority
- CN
- China
- Prior art keywords
- piston
- pivoted housing
- cylinder body
- piston pivoted
- hydraulic
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of fluid pressure type power calibrating installation and hydraulic loading devices, fluid pressure type power calibrating installation, including hydraulic cylinder, hydraulic cylinder includes cylinder body and piston, hydraulic oil pressure force detection sensor is provided on the cylinder body, the hydraulic cylinder further includes that rolling assembling cooperates in the piston pivoted housing on the cylinder body, piston pivoted housing and cylinder body sealing, the piston seal is threaded onto the inner hole of the piston pivoted housing, and piston is rotatably assorted with piston pivoted housing.When being calibrated to press machine, this power calibrating installation is placed on the downside of the head of press machine, head downlink applies pressure to the piston of this power calibrating installation, in calibration process, rotate piston pivoted housing opposing pistons and cylinder body, stiction is not present between piston and piston pivoted housing and piston pivoted housing and cylinder body, therefore avoids the fluctuation that stiction generates calibration in calibration process, the rotation of piston pivoted housing counteracts influence of the static friction factor to calibration.
Description
Technical field
The utility model relates to a kind of fluid pressure type power calibrating installation and hydraulic loading devices.
Background technique
In pressure calibration field, need regularly to calibrate the output pressure of press machine, existing power calibrating installation
There are many, the characteristics of one of which is strain gauge pressure sensor, this kind of pressure sensor, is that calibration accuracy is higher, the disadvantage is that
Strained deformation influences, reference range substantially in 2000T hereinafter, and be more than in existing equipment 2000T press device
Also relatively common, such as the press machine of 6000T, if using strain gauge pressure sensor, it is necessary to while using multiple
Strain gauge pressure sensor, calibration process is complicated and calibrates higher cost；Another power calibrating installation is fluid pressure type power school
Standard apparatus comprising there is the hydraulic cylinder of piston and cylinder body, pressure sensor is provided on cylinder body, in use, press machine is direct
Pressure is applied to the piston of hydraulic cylinder, press machine is calibrated by pressure sensor, the characteristics of this kind of pressure calibrator
Be: hydraulic cylinder, which can be realized, calibrates large-tonnage, but in calibration process, it is relatively quiet between the piston and piston cylinder of hydraulic cylinder
Only, the frictional force between the two is static friction relationship, and the characteristic of stiction is: stiction is the power of a variation, living
From stress is started during stress terminates to the end, stiction can change always and lead to the indicating value of pressure sensor always plug
Fluctuation, this can produce bigger effect calibration process, therefore existing this kind of fluid pressure type power calibrating installation is only used for school substantially
It is used in the not high environment of quasi- required precision.
Summary of the invention
The purpose of this utility model is to provide a kind of fluid pressure type power calibrating installations, to solve piston and cylinder in the prior art
The problem of stiction between body can make pressure sensor indicating value fluctuate；The purpose of this utility model, which also resides in, provides one kind
Hydraulic loading device.
In order to solve the above technical problems, the technical solution of fluid pressure type power calibrating installation is as follows in the utility model:
A kind of fluid pressure type power calibrating installation, including hydraulic cylinder, hydraulic cylinder include cylinder body and piston, are provided on the cylinder body
Hydraulic oil pressure force detection sensor, the hydraulic cylinder further include rolling assembling in the piston pivoted housing on the cylinder body, piston pivoted housing
It seals and cooperates with the cylinder body, the piston seal is threaded onto the inner hole of the piston pivoted housing, and piston and piston pivoted housing rotate
Cooperation.
Being cooperated between piston and piston pivoted housing by the sealing of the first sealing ring, pass through between piston pivoted housing and the cylinder body
The sealing cooperation of second sealing ring.
The inner hole wall of the piston pivoted housing offers piston pivoted housing sealing ring mounting groove, and the first sealing ring is installed on the work
It fills in pivoted housing sealing ring mounting groove；Cylinder body sealing ring mounting groove, the second sealing ring installation are offered on the inboard wall of cylinder block
In the cylinder body sealing ring mounting groove.
Fluid pressure type power calibrating installation further includes being sequentially connected with the piston pivoted housing to drive piston pivoted housing opposing pistons, cylinder
The piston pivoted housing driving mechanism of body rotation.
Piston pivoted housing upper end turn up have on the upside of cylinder body it is outer turn edge, cylinder body and it is described it is outer turn edge between be provided with
Angular contact ball bearing is provided with axial force detection sensor between hinge contact ball bearing and the cylinder body.
The technical solution of hydraulic loading device in the utility model are as follows:
A kind of hydraulic loading device, including hydraulic cylinder and to the hydraulic pump of hydraulic cylinder pump oil, hydraulic cylinder includes cylinder body and work
It fills in, is provided with hydraulic oil pressure force detection sensor on the cylinder body, the hydraulic cylinder further includes rolling assembling on the cylinder body
Piston pivoted housing, piston pivoted housing and cylinder body sealing cooperate, and the piston seal is threaded onto the inner hole of the piston pivoted housing,
Piston is rotatably assorted with piston pivoted housing.
Being cooperated between piston and piston pivoted housing by the sealing of the first sealing ring, pass through between piston pivoted housing and the cylinder body
The sealing cooperation of second sealing ring.
Fluid pressure type power calibrating installation further includes being sequentially connected with the piston pivoted housing to drive piston pivoted housing opposing pistons, cylinder
The piston pivoted housing driving mechanism of body rotation.
The limited support being connected on the upside of the piston pivoted housing on the cylinder body, the limited support is in the piston
Axial force detection sensor is provided between pivoted housing.
The upper end of piston pivoted housing sets one circle gear edge of left and right, and axial force detection sensor and the gear are provided with corner connection between
Touch ball bearing.
The utility model has the following beneficial effects: this power calibrating installation is placed in press machine when calibrating to press machine
Head on the downside of, head downlink applies pressure to the piston of this power calibrating installation, in calibration process, keeps piston pivoted housing opposite
Piston and cylinder body rotation, are not present stiction, therefore avoid between piston and piston pivoted housing and piston pivoted housing and cylinder body
The fluctuation that stiction generates calibration in calibration process, the rotation of piston pivoted housing counteract static friction factor to the shadow of calibration
It rings.Using this hydraulic loading device when treating loading component load, hydraulic pump pump oil into the cylinder body of hydraulic cylinder, hydraulic cylinder
Piston stretches out, until contact on component to be loaded, during hydraulic cylinder treats loading component load, keeps piston pivoted housing
Opposing pistons and cylinder body rotation, are not present stiction, therefore avoid between piston and piston pivoted housing and piston pivoted housing and cylinder body
Because of hydraulic oil pressure force detection sensor indicating value fluctuation problem caused by static friction, the rotation of piston pivoted housing counteract static friction because
The influence of several pairs of hydraulic oil pressure force detection sensor indicating values.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of fluid pressure type power calibrating installation in utility model；
Fig. 2 is the structural schematic diagram of piston pivoted housing in Fig. 1；
Fig. 3 is the structural schematic diagram of one embodiment of hydraulic loading device in the utility model；
Fig. 4 is the structural schematic diagram of piston pivoted housing in Fig. 3.
Specific embodiment
A kind of embodiment 1 of fluid pressure type power calibrating installation is as shown in Figure 1 and 2: including hydraulic cylinder, hydraulic cylinder includes 9 He of cylinder body
Piston 1 is provided with the hydraulic oil pressure force detection sensor 14 for detecting hydraulic fluid pressure in cylinder body on cylinder body.Fluid pressure type power school
Standard apparatus further include can opposing cylinder and piston rotation piston pivoted housing 2,2 rolling assembling of piston pivoted housing is on cylinder body, and piston
Pivoted housing is cooperated by the second sealing ring 8 and cylinder body sealing, and for 1 rolling assembling of piston in the inner hole of piston pivoted housing 2, piston passes through the
One sealing ring 7 cooperates with the sealing of piston pivoted housing 2.In the present embodiment, the inner hole wall of piston pivoted housing offers piston pivoted housing sealing ring
Mounting groove, the first sealing ring 7 are installed in piston pivoted housing sealing ring mounting groove；The installation of cylinder body sealing ring is offered on inboard wall of cylinder block
Slot, the second sealing ring 8 are installed in the cylinder body sealing ring mounting groove.
2 upper end of piston pivoted housing turn up have it is outer turn edge 3, cylinder body and be provided with angular contact ball bearing 11, corner connection between turning edge outside
It is provided with axial force detection sensor 5 between touching ball bearing 11 and cylinder body, angular contact ball bearing may be implemented to piston pivoted housing
Axial position and radial position constraint, in the detection process, the numerical value of axial force detection sensor is stable, it was demonstrated that gram
It has taken caused by stiction is unstable in the prior art and has calibrated fluctuation problem.Fluid pressure type power calibrating installation further includes and piston
Piston pivoted housing driving mechanism of the pivoted housing transmission connection to drive piston pivoted housing opposing pistons, cylinder body to rotate, piston pivoted housing driving machine
Structure includes the driving motor 13 that motor shaft is vertically arranged, and pinion gear 12 is provided on the motor shaft of driving motor, piston pivoted housing
Turn up circumferentially be provided with pinion gear engaged transmission gear wheel, gear wheel, pinion gear tooth be straight-tooth.
When calibrating to press machine, this power calibrating installation is placed in the downside of the head of press machine, head downlink pair
Piston force, driving motor driving piston pivoted housing opposing pistons, cylinder body are rotated with 10 ~ 20 turns of speed per minute, piston pivoted housing
Rotation therefore avoided because stiction is unstable, Yi Bo so that there is no static friction to act between piston pivoted housing and piston
Moving influences to calibration bring, improves the precision of pressure calibration device, can be adapted for the school more demanding to calibration accuracy
It is used in quasi, such as in the calibration of 6000T press machine, the pressure calibration device in the present invention can also be applied certainly
It is calibrated on the press machine of small tonnage.
Other implement of the invention: angular contact ball bearing can not also be set；Axial force detection sensor can also be with
It does not set；V belt translation, certain piston pivoted housing can also be passed through between driving motor and piston pivoted housing in piston pivoted housing driving mechanism
Driving mechanism can not also be set, and at this time at the beginning of calibration, can apply rotation torque to piston pivoted housing manually, in calibration process
In, piston pivoted housing is voluntarily rotated by inertia；Second sealing ring, the first sealing ring can not also be set, and piston and piston turn at this time
Sealing between set, piston pivoted housing and cylinder body can be realized by cooperation precision.
The implementation of hydraulic loading device is for example shown in Fig. 3 ~ 4: including hydraulic cylinder and to the hydraulic pump 21 of hydraulic cylinder pump oil, liquid
Cylinder pressure includes cylinder body 9 and piston 1, and the hydraulic fluid pressure detection for detecting hydraulic fluid pressure in cylinder body is provided on cylinder body 9 and is passed
Sensor 14, hydraulic cylinder further include rolling assembling in the piston pivoted housing 3 on cylinder body, and piston pivoted housing 3 passes through the second sealing ring 8 and cylinder body
Sealing cooperation, piston 1 are set in the inner hole of piston pivoted housing 2, are matched between piston pivoted housing and piston by the sealing of the first sealing ring 7
It closes, piston pivoted housing can be rotated with opposing pistons and cylinder body.In the present embodiment, it is close that the inner hole wall of piston pivoted housing offers piston pivoted housing
Seal mounting groove, the first sealing ring 7 are installed in piston pivoted housing sealing ring mounting groove；Cylinder body sealing ring is offered on inboard wall of cylinder block
Mounting groove, the second sealing ring 8 are installed in the cylinder body sealing ring mounting groove.
Piston pivoted housing upper end turn up have it is outer turn edge 3, the limited support 23 for being located at the upside that turns edge outside, limit are connected on cylinder body
There are three supports, and for three limited supports along the circumferentially-spaced arrangement of cylinder body, each limited support includes horizontal edge and vertical edge, horizontal edge,
Vertical edge constitute " 7 " character form structure, the horizontal edge of limited support and outside turn edge between be provided with axial force detection sensor 5, turn edge outside
Outer rim be provided with circle gear along 4, axial force detection sensor 5 and gear are along 4 and turn edge be provided with angular contact ball bearing between 3 outside
11, the axially and radially constraint to piston pivoted housing may be implemented in angular contact ball bearing, after piston top arrives on component to be loaded,
The numerical value of axial force detection sensor is stable, it was demonstrated that has been overcome caused by stiction is unstable in the prior art
Calibrate fluctuation problem.Hydraulic pressure calibrating installation further includes being sequentially connected with piston pivoted housing to drive piston pivoted housing opposite living
The piston pivoted housing driving mechanism that plug, cylinder body rotate, piston pivoted housing driving mechanism includes the driving motor 13 that motor shaft is vertically arranged,
Pinion gear 12 is provided on the motor shaft of driving motor, turning up for piston pivoted housing is circumferentially provided with and pinion gear engaged transmission
Gear wheel, gear wheel, pinion gear tooth be straight-tooth.The hydraulic oil container 22 that figure middle term expression is connected with hydraulic pump.
When treating loading component using this hydraulic loading device such as the load of compression shear machine, hydraulic pump pump oil into cylinder body,
The piston of hydraulic cylinder stretches out, until contact, on component to be loaded, driving motor drives piston pivoted housing opposing pistons, cylinder body with every
The rotational speed of 10 ~ 20 turns of minute, the rotation of piston pivoted housing, so that there is no static friction to act between piston pivoted housing and piston,
Therefore it avoids because stiction is unstable, easy fluctuate influences to hydraulic oil pressure force detection sensor bring.
In other embodiments of the invention: angular contact ball bearing can not also be set, at this time limited support and piston pivoted housing
Between precision can be cooperated to guarantee the rotation relation between the two by contact surface；Driving in piston pivoted housing driving mechanism
It can also can not also set, be supported in piston top by V belt translation, certain piston pivoted housing driving mechanism between motor and piston pivoted housing
At the beginning of component to be loaded, rotation torque can be applied to piston pivoted housing manually, then piston pivoted housing is voluntarily rotated by inertia；
Second sealing ring, the first sealing ring can not also be set, and the sealing between piston and piston pivoted housing, piston pivoted housing and cylinder body can at this time
To be realized by cooperation precision.
Claims (10)
1. a kind of fluid pressure type power calibrating installation, including hydraulic cylinder, hydraulic cylinder includes cylinder body and piston, is provided with liquid on the cylinder body
Oil pressure detection sensor, it is characterised in that: the hydraulic cylinder further includes rolling assembling in the piston pivoted housing on the cylinder body,
Piston pivoted housing and cylinder body sealing cooperate, and the piston seal is threaded onto the inner hole of the piston pivoted housing, piston and piston
Pivoted housing is rotatably assorted.
2. fluid pressure type power calibrating installation according to claim 1, it is characterised in that: passing through between piston and piston pivoted housing
The sealing cooperation of first sealing ring passes through the sealing cooperation of the second sealing ring between piston pivoted housing and the cylinder body.
3. fluid pressure type power calibrating installation according to claim 2, it is characterised in that: the inner hole wall of the piston pivoted housing opens up
There is piston pivoted housing sealing ring mounting groove, the first sealing ring is installed in the piston pivoted housing sealing ring mounting groove；In the cylinder body
Cylinder body sealing ring mounting groove is offered on wall, second sealing ring is installed in the cylinder body sealing ring mounting groove.
4. fluid pressure type power calibrating installation according to claim 1, it is characterised in that: fluid pressure type power calibrating installation further include with
Piston pivoted housing driving mechanism of the piston pivoted housing transmission connection to drive piston pivoted housing opposing pistons, cylinder body to rotate.
5. fluid pressure type power calibrating installation described in any one according to claim 1 ~ 4, it is characterised in that: on the piston pivoted housing
End turn up have on the upside of cylinder body it is outer turn edge, cylinder body and it is described it is outer turn edge between be provided with angular contact ball bearing, hinge contact ball
Axial force detection sensor is provided between bearing and the cylinder body.
6. a kind of hydraulic loading device, including hydraulic cylinder and to the hydraulic pump of hydraulic cylinder pump oil, hydraulic cylinder includes cylinder body and work
Plug is provided with hydraulic oil pressure force detection sensor on the cylinder body, it is characterised in that: the hydraulic cylinder further include rolling assembling in
Piston pivoted housing on the cylinder body, piston pivoted housing and cylinder body sealing cooperate, and the piston seal is threaded onto the piston and turns
In the inner hole of set, piston is rotatably assorted with piston pivoted housing.
7. hydraulic loading device according to claim 6, it is characterised in that: pass through first between piston and piston pivoted housing
Sealing ring sealing cooperation passes through the sealing cooperation of the second sealing ring between piston pivoted housing and the cylinder body.
8. hydraulic loading device according to claim 6, it is characterised in that: fluid pressure type power calibrating installation further include with it is described
Piston pivoted housing driving mechanism of the piston pivoted housing transmission connection to drive piston pivoted housing opposing pistons, cylinder body to rotate.
9. according to hydraulic loading device described in claim 6 ~ 8 any one, it is characterised in that: be connected with position on the cylinder body
Limited support on the upside of the piston pivoted housing, the limited support are provided with axial force detection between the piston pivoted housing and pass
Sensor.
10. hydraulic loading device according to claim 9, it is characterised in that: the upper end of piston pivoted housing sets one circle gear of left and right
Edge, axial force detection sensor and the gear are provided with angular contact ball bearing between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821855399.1U CN208872462U (en) | 2018-11-12 | 2018-11-12 | A kind of fluid pressure type power calibrating installation and hydraulic loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821855399.1U CN208872462U (en) | 2018-11-12 | 2018-11-12 | A kind of fluid pressure type power calibrating installation and hydraulic loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872462U true CN208872462U (en) | 2019-05-17 |
Family
ID=66471416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821855399.1U Active CN208872462U (en) | 2018-11-12 | 2018-11-12 | A kind of fluid pressure type power calibrating installation and hydraulic loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872462U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374202A (en) * | 2018-11-12 | 2019-02-22 | 尚廷东 | A kind of fluid pressure type power calibrating installation |
| CN109578382A (en) * | 2018-11-12 | 2019-04-05 | 河南交院工程技术有限公司 | A kind of hydraulic loading device |
| CN111997962A (en) * | 2020-08-04 | 2020-11-27 | 中国石油天然气股份有限公司 | Detection device and detection method for hydraulic compression center rod fishing tool |
-
2018
- 2018-11-12 CN CN201821855399.1U patent/CN208872462U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374202A (en) * | 2018-11-12 | 2019-02-22 | 尚廷东 | A kind of fluid pressure type power calibrating installation |
| CN109578382A (en) * | 2018-11-12 | 2019-04-05 | 河南交院工程技术有限公司 | A kind of hydraulic loading device |
| CN109578382B (en) * | 2018-11-12 | 2024-04-05 | 河南交院工程技术集团有限公司 | Hydraulic loading device |
| CN111997962A (en) * | 2020-08-04 | 2020-11-27 | 中国石油天然气股份有限公司 | Detection device and detection method for hydraulic compression center rod fishing tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208872462U (en) | A kind of fluid pressure type power calibrating installation and hydraulic loading device | |
| CN109374202A (en) | A kind of fluid pressure type power calibrating installation | |
| CN207189269U (en) | Digit Control Machine Tool rotating shaft | |
| CN109855868B (en) | Dynamic test method and test equipment for axial stiffness of bearing | |
| CN106680117A (en) | Novel sheet metal torsion testing machine | |
| CN109578382A (en) | A kind of hydraulic loading device | |
| CN205719360U (en) | Taper roll bearing friction torque measures stand | |
| CN202200044U (en) | Direct-driven static pressure rotary worktable | |
| CN209244975U (en) | The hydraulic loading device of included standard force source | |
| CN106925706A (en) | Hotdie forging press closed height adjusts display device | |
| CN204647161U (en) | A kind of speeder | |
| CN104155053B (en) | A kind of hydro-cushion quiet calibration device of loaded type high pulling torque | |
| CN206573293U (en) | Automobile hub bearing friction torque detection means | |
| CN210221495U (en) | Bearing life testing device | |
| CN207741935U (en) | roller bearing testing machine | |
| CN102889370A (en) | Gear contact coloring adjusting method of heavy-duty vertical driving gear box | |
| CN214621585U (en) | Torque wrench detection device | |
| CN215767659U (en) | Temperature rise and vibration quick detection device for angular contact bearing for machine tool spindle | |
| CN103697087B (en) | Bearing surmounts overload protection clutches | |
| CN207171599U (en) | A kind of CNC milling machine high-speed main spindle mechanism | |
| CN206114190U (en) | On --spot moment of torsion calibrating device | |
| CN109458381A (en) | A kind of hydraulic loading device of included standard force source | |
| CN205352693U (en) | Bearing retainer for ball bearing experiment machine | |
| CN106442195B (en) | Mechanical testing device of test piece | |
| WO2020125190A1 (en) | Center misalignment detection device and method for differential and half shaft installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450000 No. 165 Nautical Middle Road, Erqi District, Zhengzhou City, Henan Province Patentee after: Henan Jiaoyuan Engineering Technology Group Co.,Ltd. Patentee after: Shang Tingdong Address before: 450000 No. 165 Nautical Middle Road, Erqi District, Zhengzhou City, Henan Province Patentee before: HENAN JIAOYUAN ENGINEERING TECHNOLOGY Co.,Ltd. Patentee before: Shang Tingdong |
|
| CP01 | Change in the name or title of a patent holder |